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{"sheet":"PROJECT","index":0,"n_rows":67,"n_cols":8,"rows_kept":67,"cut":false,"hidden":false,"merged":[[9,7,9,8],[26,1,26,8],[27,1,27,8],[10,1,10,2],[10,3,10,4],[10,5,10,6],[10,7,10,8],[11,1,11,2],[11,3,11,4],[11,7,11,8],[11,5,11,6],[17,1,17,2],[17,3,17,6],[17,7,17,8],[18,1,18,2],[16,1,16,2],[28,1,28,8],[22,1,22,2],[22,3,22,6],[22,7,22,8],[19,1,19,2],[19,3,19,6],[19,7,19,8],[21,7,21,8],[20,1,20,2],[20,3,20,6],[20,7,20,8],[21,1,21,2],[21,3,21,6],[23,1,23,8],[24,1,24,8],[25,1,25,8],[16,3,16,6],[16,7,16,8],[18,3,18,6],[18,7,18,8],[14,1,14,2],[14,7,14,8],[14,3,14,6],[15,1,15,2],[15,7,15,8],[15,3,15,6],[12,1,12,2],[13,1,13,2],[12,3,12,4],[12,5,12,6],[12,7,12,8],[13,3,13,4],[13,5,13,6],[13,7,13,8],[29,1,29,8],[3,1,3,8],[1,3,2,8],[1,1,2,2],[5,1,5,2],[9,1,9,2],[7,1,7,2],[4,3,4,8],[5,3,5,8],[7,3,7,8],[4,1,4,2],[6,1,6,2],[6,3,6,8],[8,1,8,2],[8,3,8,8],[9,4,9,5]]}
[]
[null,null,null,"Gwinnett County - Storm water/Water/Sewer                                               Plan Review\n     (SWS) Plan Review Checklist"]
[]
[]
[null,"Project Name"]
[null,"Project Address",null,"  "]
[null,"Engineer "]
[null,"Engineer email address"]
[null,"Developer"]
[null,"DOT Permit",null,"Water ",null,null,"Sewer"]
[null,"E-Plan Review Number",null,null,null,"Case Number"]
[null,"District/Land Lot/Parcel",null,null,null,"Total Acres"]
[null,"City Limits",null,null,null,"Disturbed Acres"]
[null,"Change in Conditions ",null,null,null,"Number of Lots"]
[null,"Review Date",null,"Project Review History",null,null,null,"SWS Staff"]
[null,null,null,"Initial Submittal Review - Comments Issued"]
[null,null,null,"Re-submittal (1)"]
[null,null,null,"Re-submittal (2)",null,null,null," "]
[null,null,null,"Re-submittal (3)"]
[]
[]
[]
[]
[null,"Re-submittal and Review Procedure"]
[null,"The Storm water/Water/Sewer Plan Review Checklist is attached.  All Storm water/Water/Sewer Plan Review items must be clearly addressed before issuance of a permit or plan approval.  All re-submittals must be a complete set of construction documents or plan set."]
[null,"If all comments are not addressed after the third re-submittal review, a meeting will be required with County Staff and Engineer. "]
[null,"After the third re-submittal review an additional permit review fee of 50% of the total plan review fee is due if unresolved Storm water/Water/Sewer Plan Review  Checklist items remain.  Payment of the fee is required prior to furthering the review by the Storm water/Water/Sewer of Planning and Development."]
[null,"An appointment may be scheduled with the Storm water/Water/Sewer Plan Review Staff after   the construction documents or plans have been revised to address all review comments. Call 678-518-6000 to schedule an appointment.  Walk-in, Drop-off, and E-Plan reviews are available."]
[null,"Gwinnett County - Storm water/Water/Sewer Plan Review\nDepartment of Planning and Development\nOne Justice Square, 446 West Crogan Street, Suite 150, Lawrenceville, Georgia 30046\n678-518-6000"]
[null,"www.gwinnettcounty.com"]
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[null,null,"Yes","Eric Pierson"]
[null,null,"No","Charli Young"]
[null,null,null,"Bob Whelchel"]
[null,null,null,"George Kyiamah"]
[null,null,null,"Adam Watts"]
[null,null,null,"Scott Arnett"]

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[]
[null,"Storm water/Water/Sewer Plan Review Checklist",null,null,null," Case Number",null,{"$f":"PROJECT!H11","v":0}]
[]
[null,"Staff, Department, and Agency Contact Information"]
[null,"The Name of the Storm water/Water/Sewer Plan Review Staff Who Performed the Initial Review"]
[]
[null,"Storm water/Water/Sewer Plan Review Staff"]
[null,"Eric Pierson\nEngineer III\n678-518-6177 ",null,null,null,"Adam Watts                                                                Engineer II                                                                 678-518-6169"]
[null,"eric.pierson@gwinnettcounty.com",null,null,null,"adam.watts@gwinnettcounty.com"]
[null,"Charli Young                                                               Engineer IV\n678-518-6153",null,null,null,"Scott Arnett\nEngineer II\n678-518-6168"]
[null,"charli.young@gwinnettcounty.com",null,null,null,"scott.arnett@gwinnettcounty.com"]
[null,"Bob Whelchel                                                            Engineer V                                                           678-518-6185",null,null,null,"George Kyiamah\nEngineer IV\n678-518-4965"]
[null,"bob.whelchel@gwinnettcounty.com",null,null,null,"george.kyiamah@gwinnettcounty.com"]
[null," Sections and Departments "]
[null,"Development Inspections\n678-518-6000",null,null,null,"Development Review \n678-518-6000"]
[null,"Fire Plan Review  \n678-518-6000",null,null,null,"Current Planning  \n678-518-6000"]
[null,"Building Plan Review  \n678-518-6040",null,null,null,"Building Permits Office  \n678-518-6020"]
[null,"Licensing and Revenue  \n678-377-4100",null,null,null,"Tax Assessors Office\n770-822-7200"]
[null,"Gwinnett County DOT\nMichael Johnson \n678-822-7400",null,null,null,"Department of Community Services\nMarcie Moore\n678-822-8840"]
[null,"Related State Agencies"]
[null,"Environmental Health Section\n770-963-5132",null,null,null,"Georgia DOT\n404-347-0240"]
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[]
[null,null,"Eric Pierson"]
[null,null,"Bob Whelchel"]
[null,null,"George Kyiamah"]
[null,null,"Charli Young"]
[null,null,"Adam Watts"]
[null,null,"Scott Arnett"]

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[]
[null,"CDP Stormwater Plan Review Checklist",null,null,null,null,"Case Number",null,{"$f":"PROJECT!H11","v":0}]
[]
["REQD","DATE","REVIEWER","COMMENT","SWS PLAN REVIEW CHECKLIST COMMENT"]
["X",null,null,"PS00","Plan Submittal Process ",null,null,null,null,"Reference"]
["X",null,null,"PS01","Initial submittals and re-submittal shall be made digitally by using the following link:                                                                     https://eddspermits.gwinnettcounty.com/citizenaccess/  Submit annotated checklist with re-submittal and allow up to 10 business days for review.",null,null,null,null,"Submittal"]
[null,null,null,"PS02","Walk Through "]
[null,null,null,"PS03","Drop-Off, include a copy of these comments and one set of plans, do not drop off money. Bring to Suite 150- 1st floor One Justice any day of the week.  Allow up to 5 business days for re-review."]
["X",null,null,"PS02","An appointment may be scheduled with a plan reviewer. Call 678.518.6174 to schedule an appointment."]
[null,null,null,"CSW00","Commercial Stormwater One-Stop",null,null,null,null,"Reference"]
[null,null,null,"CSW01","Stormwater Management Report: Return 1 hard and 1 digital set of the report for approval."]
[null,null,null,"CSW02","Civil Site Plans: Return 3 hard and 1 digital set of plans for approval. (FULL SETS)"]
[null,null,null,"CSW03","All hard copies and digital sets must be signed and dated."]
["X",null,null,"SGP00","Site/Grading Plan",null,null,null,null,"Reference"]
["NOT MET",null,null,"SGP01","Site design shall comply with current Gwinnett County Regulations and Ordinances as posted on the Planning & Development website."]
["NOT MET",null,null,"SGP02","Show name of development and specify unit or phase, if any."]
["NOT MET",null,null,"SGP03","Show location map, scale, and North arrow; Specify district, land lot, parcel number, and property address in title block."]
["NOT MET",null,null,"SGP04","Show name, address, phone number, and email address for Developer & Designer on the Site, Grading & ESC sheets."]
["NOT MET",null,null,"SGP05","Show hand written signature & date across engineers/surveyors seal on all sheets. Final Sets."]
["NOT MET",null,null,"SGP06","Show and label property lines, adjacent owners and parcel numbers, road names, pavement widths and R/W."]
["NOT MET",null,null,"SGP07","Provide a 4\" x 4\" blank area in the lower right of every drawing sheet for Gwinnett County to affix the permit stamp.  Include Gwinnett County Project Number."]
["NOT MET",null,null,"SGP08","Include all approved variances on applicable pages."]
[null,null,null,"SGP01","Number all pipes and structures on plan.",null,null,null,null,"320-30.5"]
[null,null,null,"SGP02","Show Grading of and number all open channels on plan. ",null,null,null,null,"320-30.5"]
[null,null,null,"SGP03","Show topography at a 2’ contour interval or less.  ",null,null,null,null,"320-30.5"]
[null,null,null,"SGP04","Show drainage easement on pipes consistent with table.",null,null,null,null,1000.1]
[null,null,null,"SGP05","Show regulatory and 100-year floodplain contour, elevation and floodway limits and indicate information source.",null,null,null,null,"700-30.7"]
[null,null,null,"SGP06","Indicate minimum floor elevation of building on plans. ",null,null,null,null,"700-30.7"]
[null,null,null,"SGP09","Storm sewer pipe that do not carry live streams must extend at least 50 feet past the front building setback line. ",null,null,null,null,"3.3.2.2"]
[null,null,null,"SGP10","Standard landscaping and landscaping requirements that are part of zoning conditions are not permitted within designated drainage or BMP easements.  Provide Landscape Plan.",null,null,null,null,"600-20.1"]
[null,null,null,"SGP11","Provide a drainage easement located a minimum of 10-feet outside the 100-year ponding limits of the detention pond.   ",null,null,null,null,"DELETE ","This is a carry over from the time ponds were on private property"]
[null,null,null,"SGP12","For commercial projects, provide a cleared access easement 20’ wide to the detention pond from a public street.",null,null,null,null,"800-70.9"]
[null,null,null,"SGP13","Within the access easement, a 15-foot wide road shall be graded at a maximum 20% grade to provide access to the facility.  Show grading on plans.  The road shall be grassed or paved.  The road shall extend to the bottom of the pond when the pond is greater than 10 feet deep or 50 feet wide. ",null,null,null,null,"800-70.10"]
[null,null,null,"SGP14","Discharge pipe must be no closer to the project site's property line than the greater of the distance necessary to construct any velocity protection or a flow distance equal to six (6) pipe diameters.",null,null,null,null," 810-20.1"]
[null,null,null,"SGP15","Minimum top width of detention pond, earthen dam to be 8’-0”.    ",null,null,null,null,"  800-80.4"]
[null,null,null,"SGP16","Show grading associated with roadway deceleration lane. "]
[null,null,null,"SGP17","Provide a flume and riprap at end of the widened collector road or deceleration lane section. Provide flume detail on detail sheet.  "]
[null,null,null,"SGP18","Provide Wall Pond plan and section Detail Design incorporating design elements shown on UDO Sheet 618.",null,null,null,null,"Form"]
[null,null,null,"SGP19","Provide Dry Detention Pond plan and section Detail Design incorporating design elements shown on UDO Sheet 615. For ponds more than 5'.",null,null,null,null,"Form"]
[null,null,null,"SGP20","Provide Dry Detention Pond plan and section Detail Design incorporating design elements shown on UDO Sheet 612. For ponds less than 5'.",null,null,null,null,"Form"]
[null,null,null,"SGP21","Provide Wet Detention Pond plan and section Detail Design incorporating design elements shown on UDO Sheet 617. For ponds more than 5'.",null,null,null,null,"Form"]
[null,null,null,"SGP22","Provide Wet Detention Pond plan and section Detail Design incorporating design elements shown on UDO Sheet 614. For ponds less than 5'.",null,null,null,null,"Form"]
[null,null,null,"SGP23","Provide Underground Detention Pond plan and section Detail Design incorporating design elements shown on UDO Sheet 631. ",null,null,null,null,"Form"]
[null,null,null,"SGP24","Provide a Standard Pipe Bedding Detail (SSFISS 3-48)",null,null,null,null,"Form"]
[null,null,null,"SGP25","Forebay equaling 10% of the water quality volume must be provided for each inlet to the pond. Provide calculations within report and show grading details on plans. "]
[null,null,null,"SGP26","Provide Forebay plan and section of Detail Design incorporating design elements shown on UDO Sheet 625."]
["NOT MET",null,null,"SGP09","Surface runoff should be prevented from overtopping any proposed retaining walls. Runoff should be collected upstream of wall and discharged downstream utilizing an appropriate conveyance system."]
["NOT MET",null,null,"SGP10","Surface runoff generated or collected upstream of the pond's access ramp shall not be allowed to flow down or discharged onto the access ramp. "]
["NOT MET",null,null,"SGP11","Provide stationing, top of wall and bottom of wall elevations labels for all retaining walls, include these labels at each break/change in elevation (bottom of wall elevation is defined as the elevation at the top footing)."]
[null,null,null,"SGP32","xxx"]
[null,null,null,"SGP33","xxx"]
[null,null,null,"SGP34","xxx"]
[null,null,null,"SGP35","xxx"]
[null,null,null,"SGP36","xxx"]
["X",null,null,"PCP00","Pipe & Channel Profiles",null,null,null,null,"Reference"]
[null,null,null,"PCP01","Provide pipe profiles.  Show existing and proposed ground surface profiles, pipe lengths, slopes, inverts, and 25-year hydraulic grade lines. ",null,null,null,null," 3.3.1.6"]
[null,null,null,"PCP02","Provide channel profiles.  Show existing and proposed ground surface profiles, channel lengths, 25-year normal flow depth and slopes.  Minimum freeboard to be 20% of the flow depth. ",null,null,null,null,"5.2.1"]
[null,null,null,"PCP03","25-year hydraulic grade line must be at least 1 foot below the gutter line or top of grate. ",null,null,null,null,"  3.3.1.1"]
[null,null,null,"PCP04","Channel velocities for the fully developed 25-year flow shall not exceed the non-erosive velocity as shown in Table 5.2 of the Gwinnett County Storm water System and Facilities Installation Standards and Specifications Refer to open channel #_________. ",null,null,null,null,"5.2.1"]
[null,null,null,"PCP05","Minimum slope for storm drain pipe is 0.50% ",null,null,null,null,"  3.9.2.2 "]
[null,null,null,"PCP06","Minimum Velocity (V25) for storm pipe is 2.5fps ",null,null,null,null,"3.9.3.3 "]
[null,null,null,"PCP07","Velocity in corrugated metal pipe system exceed 5 fps maximum.  ",null,null,null,null,"Table 3-43"]
[null,null,null,"PCP08","Slope of CMP or HDPE pipe(s) #__________exceed(s) 14% maximum.  Provide anchors per manufacture’s recommendations.",null,null,null,null,"3.4.1"]
[null,null,null,"PCP09","Slope of RCP pipe(s) #__________exceed(s) 10% maximum.  Provide anchors per manufacture’s recommendations.",null,null,null,null,"3.4.1 "]
[null,null,null,"PCP10","Show minimum ground cover of 1’-0” for pipe(s) #_________.",null,null,null,null,"3.4.1.4"]
[null,null,null,"PCP11","Anchor collars may be required on CMP pipes exceeding 10% slope.  Specifically pipe(s) #__________. "]
[null,null,null,"PCP12","Show 100-year ponding limit and elevation above inlet #_________.  ",null,null,null,null,4.3]
[null,null,null,"PCP13","Show 100-year hydraulic grade line in all culverts.  Specifically pipe(s) #__________. Use USGS regression equations where applicable to check the magnitude of peak flows when other hydrologic methods recommended in the manual are used.  ",null,null,null,null,4.3]
[null,null,null,"PCP14","Maximum vertical drop in Storm Drain structure shall not exceed 10’.  ",null,null,null,null,4.3]
[null,null,null,"PCP15","Maximum spacing of structures that can be used for access shall be 300’.  Specifically, pipe(s) #__________.",null,null,null,null,"3.2.1"]
["NOT MET",null,null,"PCP01","Provide complete pipe chart including the following:  \n____Upstream Structure Type (DWCB, SWCB, DI, etc.)             ____Pipe numbers/Pipe Structures \n____Pipe size (in)\n____Pipe length (lf)\n____Pipe slope (%)\n____Contributing drainage area (ac)                                            ____Design discharge (cfs) \n____Rainfall Intensity (in/hr)\n____Runoff coefficient(C)\n____Pipe material/coating \n____Velocity (fps)\n *(Pipes shall sized for the 25-yr design storm; culverts for the 100 yr design storm) "]
["NOT MET",null,null,"PCP02","Provide complete channel chart indicating the following: \n____Open channel numbers      \n____Contributing drainage area      \n____Runoff coefficient \n____Conveyance size/dimensions      \n____Channel lining material      \n____Channel length      \n____Channel slope (Maximum 10%.)      \n____Velocity (fps) \n____Design discharge (cfs)      \n____Normal flow depth    \n*(Channels shall sized for the 25-yr design storm)  "]
[null,null,null,"PCP18","Development plans must be sealed by Professional Engineer or Landscape Architect. ",null,null,null,null,"340-30.2"]
[null,null,null,"PCP19","xxx"]
[null,null,null,"PCP20","xxx"]
[null,null,null,"PCP21","xxx"]
[null,null,null,"PCP22","xxx"]
[null,null,null,"PCP23","xxx"]
[null,null,null,"SWA00","Storm water Approval",null,null,null,null,"Reference"]
[null,null,null,"SWA01","AFTER ALL CORRECTIONS, PROVIDE THE FOLLOWING (TO BE RECEIVED PRIOR TO DEVELOPMENT PERMIT SIGN-OFF)"]
[null,null,null,"SWA02","Pay TV inspection fees (based on $45.00 plus $0.15LF for all storm water pipe 15\" or larger).    $Insert Fee Amount"]
[null,null,null,"SWA03","xxx"]
[null,null,null,"SWA04","xxx"]
[null,null,null,"SWA04","xxx"]
[null,null,null,"SWA04","xxx"]
[null,null,null,"SWA04","xxx"]
["X",null,null,"ESC00","Erosion and Sediment Control",null,null,null,null,"Reference"]
["NOT MET",null,null,"ESC01","Must include Erosion, Sedimentation & Pollution Control Plans Checklist on plans. "]
["NOT MET",null,null,"ESC02"," Erosion and Sediment Control features shall be design in accordance with the latest Georgia Manual for Erosion and Sedimentation Control "]
[null,null,null,"ESC02","Erosion control maps, drawings, and supportive computations shall bear the signature, date of signature, and seal of a registered or certified professional in engineering, architecture, landscape architecture, land surveying, or erosion and sediment control.",null,null,null,null,"400-50.2B"]
[null,null,null,"ESC03","Provide graphic scale and north point or arrow indicating magnetic north.   ",null,null,null,null,"400-50.C"]
[null,null,null,"ESC04","Provide boundary line survey information.  ",null,null,null,null,"400-50.C"]
[null,null,null,"ESC05","Indicate on the plans adjacent areas and features such as streams, lakes, residential areas, etc., which might be affected by project work.",null,null,null,null,"400-50.3C"]
[null,null,null,"ESC06","Show all proposed structures or additions to existing structures.  ",null,null,null,null,"400-50.3C"]
[null,null,null,"ESC07","For projects in Big Haynes Creek watershed inside the 7 mile radius to Black Shoals Reservoir, on perennial streams shown on the USGS quad maps, show a minimum 100 foot buffer and 150 foot no-impervious surface setback.  See the zoning resolution for exempt activities.  ",null,null,null,null," 220-20"]
[null,null,null,"ESC08","Locate the erosion and sediment control measures on the plan using the uniform coding symbols from chapter 6 of the Manual for Erosion and Sediment Control in Georgia. "]
[null,null,null,"ESC09","Discharge of water from sediment basins and impoundments must utilize outlet structures that withdraw water from the surface. Add detail Sk."]
[null,null,null,"ESC10","After consulting the National Wetlands Inventory Map, it appears that wetlands exist on the project property.  These wetland areas must be indicated on the site plan.  National Wetland Inventory Maps are on file with the Gwinnett County Department of Public Utilities, and are available at 75 Langley Drive for the design consultant’s perusal.  NWI Maps are also available on the internet at http://www.fws.gov/wetlands/Data/Mapper.html  ",null,null,null,null,"Mapper"]
["NOT MET",null,null,"ESC03","Any work proposed in the stream bed will require authorization from the US Army Corps of Engineers.  "]
[null,null,null,"ESC12","Gwinnett County will not issue a land disturbance permit until we receive documentation from the Corps of Engineers that an Individual Permit or a Letter of Permission authorizes the proposed encroachment in wetland areas.  If the encroachment is authorized under a Nationwide Permit, we must receive documentation from the applicant’s engineer about which Nationwide Permit is applicable and why the encroachment meets the conditions of that Nationwide permit.  We also must receive a copy of the approved PCN letter from the Corps of Engineers, if applicable. The Corps of Engineers can be contacted at the following address:       \n\nPhilip Shannon\nChief of Permits Section\nUS Army Corps of Engineers, Savannah District Regulatory Division – Piedmont Branch\n1590 Adamson Parkway, Suite 200\nMorrow, Georgia 30260-1777\n678-422-2729\nEmail:  Philip.A.Shannin2@usace.army.mil\n"]
["NOT MET",null,null,"ESC04","Specify type \"S\" silt fence (steel posts with wire reinforcement)."]
[null,null,null,"ESC14","xxx"]
[null,null,null,"ESC15","xxx"]
[null,null,null,"ESC16","xxx"]
[null,null,null,"ESC17","xxx"]
[null,null,null,"ESC18","xxx"]
["X",null,null,"CSN00","Commercial Stormwater Notes",null,null,null,null,"Reference"]
["NOT MET",null,null,"CSN01","Provide all notes in the order shown below."]
["NOT MET",null,null,"CSN02","The engineer and developer acknowledge that all work represented in these construction documents have been designed and will be constructed to fully comply with Gwinnett County Regulations and Ordinances. Actual field conditions could dictate more stringent requirements, if deemed necessary by the County inspector."]
["NOT MET",null,null,"CSN03","Provide note: \"All SWM utilities to be inspected by Department of Water Resources.\""]
["NOT MET",null,null,"CSN04","Select appropriate Floodplain Note(s). Either select note a or b and select notes   c and d as applicable.\na. There is no floodplain on this property from a water course with a drainage area exceeding 100 acres or floodplain per FIRM Panel _________ dated _ ___________.\nb. Floodplain on this property from all water courses with a drainage area exceeding 100 acres is shown.\nc. Floodplain shown is from FIRM panel _______ dated ________.\nd. Floodplain shown is from Floodplain study titled ____________ by _______________ dated _______.  Study was done as a part of project number XXX xxxx-xxxxx.  "]
["NOT MET",null,null,"CSN05","Select appropriate wetlands note(s).  Select either a or b, if wetlands are being disturbed on the site select note c.      \na. There are no wetlands being disturbed on this site.\nb. All wetlands to be disturbed are delineated on this site.\nc. The wetlands are being disturbed in accordance with permit ___________.  "]
["NOT MET",null,null,"CSN06","Select the appropriate SWM note.\na. Storm Water Management for this project is provided on-site.\nb. Storm Water Management for this site is provided off-site in project named _________ with case number XXX xxxx-xxxxx.  "]
["NOT MET",null,null,"CSN07","Select appropriate state waters note(s).  Select either a or b and if a state waters buffer is being disturbed on the site select note c.\na. There are no stream buffers on this property.\nb. A 50-foot undisturbed buffer and a 75-foot impervious setback shall be maintained adjacent to all streams.\nc. Stream buffer variance number ____________ was obtained to work in buffer as shown.  "]
["NOT MET",null,null,"CSN08","Wetland certification: The design professional, whose seal appears hereon, certifies the following: 1) the National Wetland Inventory maps have been consulted; and, 2) the appropriate plan sheet [ ] does / [ ] does not (circle appropriate box) indicate areas of united states army corps of engineers jurisdictional wetlands as shown on the maps; and, 3) if wetlands are indicated, the land owner or developer has been advised that land disturbance of protected wetlands shall not occur unless the appropriate federal wetlands alteration (“section 404”) permit has been obtained."]
["NOT MET",null,null,"CSN09","Commercial - Gwinnett County assumes no responsibility for overflow or erosion of natural or artificial drains beyond the extent of the street right-of-way, or for the extension of culverts beyond the point shown on the approved and recorded plan.  Gwinnett County does not assume the responsibility for the maintenance of pipes in drainage easements beyond the county right-of-way.  "]
["NOT MET",null,null,"CSN10","Source of topography is ____________ and reference datum is (i.e. NGVD 1929, Mean Sea Level, etc.)  "]
["NOT MET",null,null,"CSN11","Maximum slope for cut or fill is 2H:1V except earthen dam embankments shall be 3H:1V.   "]
["NOT MET",null,null,"CSN12","Detention pond, detention outlet structures and temporary sediment pond features are to be constructed and fully operational prior to any other construction or grading.  "]
["NOT MET",null,null,"CSN13","Developer is to clean out accumulated silt in detention pond at end of construction when disturbed areas have been stabilized.  "]
["NOT MET",null,null,"CSN14","A separate building permit shall be obtained prior to construction for each site retaining wall (which either exceeds 4 feet in height or which has a backfill slope greater than 1 foot rise in 3 feet horizontal) and for each detention pond wall (dam) in accordance with Gwinnett County Construction Code section 103.1.1.  A Certificate of Completion shall be issued by Gwinnett County Building Inspections Section for all walls pertinent to the project prior to issuance of a Certificate of Occupancy for any usable structure on the site or prior to approval of the Final Subdivision Plat as applicable.  "]
["NOT MET",null,null,"CSN15","All fill slopes shall have silt fence placed at the slope’s toe."]
["NOT MET",null,null,"CSN16","Concentrated flow areas and all slopes steeper than 2.5:1 with a height of ten feet or greater shall be stabilized with the appropriate erosion control matting or blanket."]
["NOT MET",null,null,"CSN17","Total wetland acres on site are  _____________."]
["NOT MET",null,null,"CSN18","A revision to the EC plan is required whenever there is a change in design, construction, operation, or maintenance, that will have a significant effect on BMPs with a hydraulic component, or if the plan proves to be ineffective in eliminating pollutant discharge. "]
[null,null,null,"CSN30","xxx"]
[null,null,null,"CSN31","xxx"]
[null,null,null,"CSN32","xxx"]
[null,null,null,"CSN33","xxx"]
["X",null,null,"SWM00","Stormwater Management Report",null,null,null,null,"Reference"]
["X",null,null,"SWM01","Stormwater Management Report shall be prepared in accordance with the current Gwinnett County Stormwater Management Manual & the Unified Development Ordinance."]
[null,null,null,"SWM01","Professional Engineer seal, signature and date.",null,null,null,null,"800-20.1"]
[null,null,null,"SWM02","Narrative explaining the purpose of the report."]
[null,null,null,"SWM03","Provide Flow Summary Sheet. Click on link for reference. ",null,null,null,null,"Ref"]
[null,null,null,"SWM04","Provide Energy Dissipation Sheet. Click on link for reference. ",null,null,null,null,"Ref"]
[null,null,null,"SWM05","Provide Downstream receiving conveyance velocity summary sheet. Click on link for reference. ",null,null,null,null,"Ref"]
[null,null,null,"SWM06","Provide Time of Concentration Sheet. Click on link for reference. ",null,null,null,null,"Ref"]
[null,null,null,"SWM07","Provide Curve Number Summery Sheet. Click on link for reference. ",null,null,null,null,"Ref"]
[null,null,null,"SWM08","Provide Gutter Spread Calculations Summary Sheet. Click on link for reference. ",null,null,null,null,"Ref"]
[null,null,null,"SWM10","A map showing drainage areas for all hydrographs.  Preferably county GIS for basins less than 100 acres.",null,null,null,null,"800-20.2"]
[null,null,null,"SWM12","Calculations determining the capacity of existing pipe to carry the proposed discharges.",null,null,null,null,"800-20.4"]
[null,null,null,"SWM13","Calculations showing discharge of concentrated flows into the streets do not exceed the flow rates in table 9-G.",null,null,null,null,"810-20.3"]
[null,null,null,"SWM14","Calculations showing outlet pipe for detention ponds will accommodate 125% of Q100 routed, if no earthen embankment emergency spillway is proposed.",null,null,null,null,"800-60.2"]
[null,null,null,"SWM15","Show time of concentration calculations for all hydrographs.",null,null,null,null,"800-20.4.f"]
[null,null,null,"SWM16","Curve Number calculations for both pre-developed and post-developed conditions for all hydrographs. Follow the procedures set forth in the Gwinnett Storm water Systems and Facilities Standards and Specifications.",null,null,null,null,"800-10.4"]
[null,null,null,"SWM17","Provide Energy dissipater calculations/designs for outlet headwalls of pipes and detention ponds.  "]
[null,null,null,"SWM19","Analyze downstream watercourses and receiving conveyances to determine 25-yr. flow channel velocities.  If the non-erosive velocity of the stream is exceeded, detention may be required.   Provide calculations with cross-section, depth of flow and velocity in channel.",null,null,null,null,"800-20.3"]
[null,null,null,"SWM20","Analyze existing pipe systems and culverts for compliance with current development regulation design criteria.  Culverts should pass Q100.  If existing pipes are not adequate for increased 100-year flow, detention may be required.",null,null,null,null,"800-20.3"]
[null,null,null,"SWM21","Hydrograph comparisons for the 1, 2, 5, 10, and 25, 50 and 100-year storms for both the downstream property line study point and the point where the drainage basin equals 10 times the project area.  "]
[null,null,null,"SWM22","A detailed written description of the first 500 feet off site; at least one photograph looking downstream with some object included in the photograph for scale shall be included. "]
[null,null,null,"SWM23","Detain the runoff from the 1-year storm for 24 hours.  Use the SCS runoff equation to size the volume required.  "]
[null,null,null,"SWM24","Provide a cross-section of detention pond embankment including outlet pipe, emergency spillway, embankment slopes, minimum embankment top width, outlet control structures, headwalls, and riprap.  Verify that minimum 1’-6” freeboard above maximum water surface elevation is provided for earthen dams.  "]
[null,null,null,"SWM25","Orifices less than 3” in diameter must be protected from clogging such as Detail 629.  A trash rack (maximum mesh opening of d/2) with a surface area of at least 10 square feet shall protect all orifices 15\" or less in diameter.  Provide detail.  "]
[null,null,null,"SWM26","For the site, use pre-developed CN less than or equal to 55 unless approved by this office.  "]
[null,null,null,"SWM27","Post-developed flows at every location where run-off will leave the development must be less than or equal to pre-developed flows, unless meeting the conditions.",null,null,null,null,"800-40.5"]
[null,null,null,"SWM28","24-hour detention of the 1-year storm is required if water quality protection is required, unless meeting conditions of. Refer to _____ year storm in Basin _____.",null,null,null,null,"800-40.5"]
[null,null,null,"SWM29","Where water quality is treated in a regional storm water facility approved between April 27, 1999 , and January 1,2001, all lots within the treated area shall either conform to the original permit requirements and water quality regulations at the time of approval or conform to the current water quality regulations. A volume verification confirming facility maintenance in accordance with the original design shall be certified by an authorized registered professional an submitted to the Department for review and approval.",null,null,null,null,"800-90.5"]
[null,null,null,"SWM30","Where storm water detention is treated in a regional facility approved before April 27, 1999 , all lots within the treated area shall conform to current water quality  and channel protection regulations. A volume verification confirming facility maintenance in accordance with the original design shall be certified by an authorized registered professional an submitted to the Department for review and approval.",null,null,null,null,"800-90.5"]
[null,null,null,"SWM31","Since detention for project is claimed in an existing facility, provide documentation that 1) existing facility was certified in last 18 months or 2) documentation that facility meets the development requirements when the facility was approved, or 3) that maintenance/ construction will be preformed to bring facility into compliance.",null,null,null,null,"800-90.5"]
["NOT MET",null,null,"SWM02","Prior to approval of the report, the applicant shall certify and provide documentation that all other applicable environmental permits have been acquired for the site.   Use Environmental Permit Affidavit form.        \na) NPDES General Permit for Construction (Ga EPD)       \nb) COE 404 Permit (wetlands)  \nc) Ga EPD Stream Buffer Variance "]
["NOT MET",null,null,"SWM03","Provide completed Site Development Permits release affidavit form. "]
[null,null,null,"EDP00","Extended Detention Pond",null,null,null,null,"Reference"]
[null,null,null,"EDP01","All facilities with a drainage area larger than 20-acres should be designed as a wet facility unless the engineer can show that the pond will not remain wet.  "]
[null,null,null,"EDP02","Use the “CP & WQ Design Tool” found on www.gwinnettstormwater.com >Documents >Development Review Documents to determine volumes and orifice sizes.  "]
[null,null,null,"EDP03","Inlet and outlets should be at opposite ends of the pond to maximize flow length.  Baffles or islands may be installed to increase the flow path length and to minimize short-circuiting. "]
[null,null,null,"EDP04","Provide calculations showing emergency spillway is designed to pass the 100-year storm event and that freeboard for earthen dams is at least 1.5 feet above 100-year ponding elevation and 1 feet for non-earthen, walled dams.",null,null,null,null,"810-30.3"]
[null,null,null,"EDP05","Provide a 15-foot wide maintenance access drive to the pond outlet structure.  Show grading on plans.",null,null,null,null,"800-70.10"]
[null,null,null,"EDP06","Show calculations for Water Quality Volume (WQv).  "]
[null,null,null,"EDP07","Size the outlet orifice for a 24-hour drawdown time.",null,null,null,null,2.8]
[null,null,null,"EDP08","Outlet orifices shall be protected from clogging."]
[null,null,null,"EDP09","xxx"]
[null,null,null,"EDP10","xxx"]
[null,null,null,"EDP11","xxx"]
[null,null,null,"EDP12","xxx"]
[null,null,null,"EDP13","xxx"]
["X",null,null,"WQP00","Water Quality Performance"]
["X",null,null,"WQP01","Water Quality Performance Report shall be prepared in accordance with the current Gwinnett County Stormwater Management Manual & the Unified Development Ordinance"]
[null,null,null,"WQP02","Minimum reduction in TSS shall be 80% for 1.2\" of first flush and 100% for 1.0\" of first flush.",null,null,null,null,"800-30.1"]
["X",null,null,"FSR00","Flood Study Review - Only use if Flood Area on Property"]
[null,null,null,"FSR01","The flood study shall comply with current Gwinnett County Regulations and Ordinances."]
[null,null,null,"FSR01","When floodplain encountered is not FEMA related (i.e. is not shown as floodplain on the FIRM maps but is a drainage area greater than 100 acres), and NO encroachment in the floodplain is proposed, flood study shall contain a\nHEC-RAS study information summarized similar to the attached reference.                                                                                              \nShow Floodway limits.  If no floodway has been determined using the Regulatory Flood, calculate floodway limits and show on plans. \n",null,null,null,null,"Ref"]
[null,null,null,"FSR02","When Floodplain encountered is not FEMA related (i.e. is not shown as floodplain on the FIRM maps but is a drainage area greater than 100 acres), but encroachment IS proposed, Flood Study shall contain the following:      \nHEC-RAS study information summarized similar to the attached reference.                                                                                            This information from FIS, Flood Insurance Study\n",null,null,null,null,"Ref"]
[null,null,null,"FSR03","Preliminary Plat, Grading Plan, or Site Plan clearly defining floodplain encroachments and showing flood study cross sections at proposed encroachments.  "]
[null,null,null,"FSR04","The cross sections chosen for doing the flood study must be changed in HEC-RAS to reflect the proposed floodplain encroachment.  Provide plots of the pre and post encroachment cross sections.  "]
[null,null,null,"FSR05","If changes to the regulatory flood elevation are proposed, submit profiles of the channel showing existing and proposed base flood elevations.  "]
[null,null,null,"FSR06","Proposed floodplain storage (end area) calculations based on maximum 100’ cross section spacing (or other approved methods) (include cross sections in report) showing that flood storage capacity will not be reduced by the proposed grading."]
[null,null,null,"FSR07","Description of the extent to which any watercourse or floodplain will be altered or relocated as a result of the proposed development.  "]
[null,null,null,"FSR08","100-year base and regulatory floodplain elevation increases must be contained on site unless contained in a drainage easement obtained by the developer.  Flood study shows increases offsite at cross section. "]
[null,null,null,"FSR09","Provide documentation supporting your choice of Manning ‘n’ values for channel and overbank.  "]
[null,null,null,"FSR10","Show Floodway limits.  If no floodway has been determined using the Regulatory Flood, calculate floodway limits and show on plans. "]
[null,null,null,"FSR11","When floodplain encountered is FEMA related (i.e. is shown as floodplain on the FIRM maps), and NO encroachment in the floodplain is proposed, flood study shall contain the following:                                                                                                        HEC-RAS study information summarized similar to the attached reference.    \n   \n\n",null,null,null,null,"Ref"]
[null,null,null,"FSR12","If zone A on the FIRM, make application to FEMA for a LOMR.  Documentation that a complete submittal has been received by FEMA is required prior to receiving a permit from Gwinnett County.  "]
[null,null,null,"FSR13","Show Floodway limits.  If no floodway has been determined using the Regulatory Flood, calculate floodway limits and show on plans. "]
[null,null,null,"FSR14","When Floodplain encountered is FEMA related (i.e. is  shown as floodplain on the FIRM maps), and encroachment in the floodplain IS proposed, Flood Study shall contain the following:                                                                                              HEC-RAS study information summarized similar to the attached reference.\n"]
[null,null,null,"FSR15","Preliminary Plat, Grading Plan, or Site Plan clearly defining floodplain encroachments and showing flood study cross sections at proposed encroachments.  "]
[null,null,null,"FSR16","The cross sections chosen for doing the flood study must be changed in HEC-RAS to reflect the proposed floodplain encroachment.  Provide plots of the pre and post encroachment cross sections.  "]
[null,null,null,"FSR17","If changes to the regulatory flood elevation are proposed, submit profiles of the channel showing existing and proposed base flood elevations.  "]
[null,null,null,"FSR18","Proposed floodplain storage (end area) calculations based on maximum 100’ cross section spacing (or other approved methods) (include cross sections in report) showing that flood storage capacity will not be reduced by the proposed grading.  "]
[null,null,null,"FSR19","Description of the extent to which any watercourse or floodplain will be altered or relocated as a result of the proposed development.  "]
[null,null,null,"FSR20","100-year base and regulatory floodplain elevation increases must be contained on site unless contained in a drainage easement obtained by the developer.  Flood study shows increases offsite at cross section."]
[null,null,null,"FSR21","Show Floodway limits.  If no floodway has been determined using the Regulatory Flood, calculate floodway limits and show on plans. "]
[null,null,null,"FSR22","Make application to FEMA for a CLOMR.  Documentation that a complete submittal has been received by FEMA is required prior to receiving a permit from Gwinnett County. "]
[null,null,null,"FSR23","The applicant shall certify and provide documentation that all other applicable environmental permits have been acquired for the site.  Use Environmental Permit Affidavit form.",null,null,null,null,"700-10.12.B"]
[null,null,null,"FSR24","Add note to plans, “The boundaries or limits of the floodplain are shown within 0.5 feet vertical accuracy.  "]
[null,null,null,"FSR25","Provide “no-rise” certification.",null,null,null,null,"700-20.2"]
[null,null,null,"FSR26","Floodway being revised, provide CLOMR/CLOMA.",null,null,null,null,"700-20.2.A.3"]
[null,null,null,"FSR27","xxx"]
[null,null,null,"FSR28","xxx"]
[null,null,null,"FSR29","xxx"]
[null,null,null,"FSR30","xxx"]
[null,null,null,"FSR31","xxx"]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
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[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[null,null,"EP"]
[null,null,"CY"]
[null,null,"AW"]
[null,null,"GK"]
[null,null,"BW"]
[]
["X"]
[]
["MET"]
["NOT MET"]
["N/A"]

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[]
[null,"CDP Stormwater Plan Review Checklist",null,null,null,null,"Case Number",null,{"$f":"PROJECT!H11","v":0}]
[]
["REQD","DATE","REVIEWER","COMMENT","SWS PLAN REVIEW CHECKLIST COMMENT"]
["X",null,null,"PS00","Plan Submittal Process ",null,null,null,null,"Reference"]
["X",null,null,"PS01","Initial submittals and re-submittal shall be made digitally by using the following link:                                                                     https://eddspermits.gwinnettcounty.com/citizenaccess/  Submit annotated checklist with re-submittal and allow up to 10 business days for review.",null,null,null,null,"Submittal"]
[null,null,null,"PS02","Walk Through "]
[null,null,null,"PS03","Drop-Off, include a copy of these comments and one set of plans, do not drop off money. Bring to Suite 150- 1st floor One Justice any day of the week.  Allow up to 5 business days for re-review."]
["X",null,null,"PS02","An appointment may be scheduled with a plan reviewer. Call 678.518.6174 to schedule an appointment."]
["X",null,null,"CSW00","Commercial Stormwater One-Stop",null,null,null,null,"Reference"]
["X",null,null,"CSW01","Stormwater Management Report: Return 1 hard and 1 digital set of the report for approval."]
["X",null,null,"CSW02","Civil Site Plans: Return 3 hard and 1 digital set of plans for approval. (FULL SETS)"]
["X",null,null,"CSW03","All hard copies and digital sets must be signed and dated."]
["X",null,null,"SGP00","Site/Grading Plan",null,null,null,null,"Reference"]
["NOT MET",null,null,"SGP01","Site design shall comply with current Gwinnett County Regulations and Ordinances as posted on the Planning & Development website."]
["NOT MET",null,null,"SGP02","Show name of development and specify unit or phase, if any."]
["NOT MET",null,null,"SGP03","Show location map, scale, and North arrow; Specify district, land lot, parcel number, and property address in title block."]
["NOT MET",null,null,"SGP04","Show name, address, phone number, and email address for Developer & Designer."]
["NOT MET",null,null,"SGP05","Show hand written signature & date across engineers/surveyors seal on all sheets. Final Sets."]
["NOT MET",null,null,"SGP06","Show and label property lines, adjacent owners and parcel numbers, road names, pavement widths and R/W."]
["NOT MET",null,null,"SGP07","Provide a 4\" x 4\" blank area in the lower right of every drawing sheet for Gwinnett County to affix the permit stamp.  Include Gwinnett County Project Number."]
[null,null,null,"SGP01","Number all pipes and structures on plan.",null,null,null,null,"320-30.5"]
[null,null,null,"SGP02","Show Grading of and number all open channels on plan. ",null,null,null,null,"320-30.5"]
[null,null,null,"SGP03","Show topography at a 2’ contour interval or less.  ",null,null,null,null,"320-30.5"]
[null,null,null,"SGP04","Show drainage easement on pipes consistent with table.",null,null,null,null,1000.1]
[null,null,null,"SGP05","Show regulatory and 100-year floodplain contour, elevation and floodway limits and indicate information source.",null,null,null,null,"700-30.7"]
[null,null,null,"SGP06","Indicate minimum floor elevation of building on plans. ",null,null,null,null,"700-30.7"]
[null,null,null,"SGP09","Storm sewer pipe that do not carry live streams must extend at least 50 feet past the front building setback line. ",null,null,null,null,"3.3.2.2"]
[null,null,null,"SGP10","Standard landscaping and landscaping requirements that are part of zoning conditions are not permitted within designated drainage or BMP easements.  Provide Landscape Plan.",null,null,null,null,"600-20.1"]
[null,null,null,"SGP11","Provide a drainage easement located a minimum of 10-feet outside the 100-year ponding limits of the detention pond.   ",null,null,null,null,"DELETE ","This is a carry over from the time ponds were on private property"]
[null,null,null,"SGP12","For commercial projects, provide a cleared access easement 20’ wide to the detention pond from a public street.",null,null,null,null,"800-70.9"]
[null,null,null,"SGP13","Within the access easement, a 15-foot wide road shall be graded at a maximum 20% grade to provide access to the facility.  Show grading on plans.  The road shall be grassed or paved.  The road shall extend to the bottom of the pond when the pond is greater than 10 feet deep or 50 feet wide. ",null,null,null,null,"800-70.10"]
[null,null,null,"SGP14","Discharge pipe must be no closer to the project site's property line than the greater of the distance necessary to construct any velocity protection or a flow distance equal to six (6) pipe diameters.",null,null,null,null," 810-20.1"]
[null,null,null,"SGP15","Minimum top width of detention pond, earthen dam to be 8’-0”.    ",null,null,null,null,"  800-80.4"]
[null,null,null,"SGP16","Show grading associated with roadway deceleration lane. "]
[null,null,null,"SGP17","Provide a flume and riprap at end of the widened collector road or deceleration lane section. Provide flume detail on detail sheet.  "]
[null,null,null,"SGP18","Provide Wall Pond plan and section Detail Design incorporating design elements shown on UDO Sheet 618.",null,null,null,null,"Form"]
[null,null,null,"SGP19","Provide Dry Detention Pond plan and section Detail Design incorporating design elements shown on UDO Sheet 615. For ponds more than 5'.",null,null,null,null,"Form"]
[null,null,null,"SGP20","Provide Dry Detention Pond plan and section Detail Design incorporating design elements shown on UDO Sheet 612. For ponds less than 5'.",null,null,null,null,"Form"]
[null,null,null,"SGP21","Provide Wet Detention Pond plan and section Detail Design incorporating design elements shown on UDO Sheet 617. For ponds more than 5'.",null,null,null,null,"Form"]
[null,null,null,"SGP22","Provide Wet Detention Pond plan and section Detail Design incorporating design elements shown on UDO Sheet 614. For ponds less than 5'.",null,null,null,null,"Form"]
[null,null,null,"SGP23","Provide Underground Detention Pond plan and section Detail Design incorporating design elements shown on UDO Sheet 631. ",null,null,null,null,"Form"]
[null,null,null,"SGP24","Provide a Standard Pipe Bedding Detail (SSFISS 3-48)",null,null,null,null,"Form"]
[null,null,null,"SGP25","Forebay equaling 10% of the water quality volume must be provided for each inlet to the pond. Provide calculations within report and show grading details on plans. "]
[null,null,null,"SGP26","Provide Forebay plan and section of Detail Design incorporating design elements shown on UDO Sheet 625."]
["NOT MET",null,null,"SGP08","Show and label Flood Plan limits."]
["NOT MET",null,null,"SGP09","Show and label wetland limits."]
["NOT MET",null,null,"SGP10","Provide topography at 10' contour intervals (min). "]
["NOT MET",null,null,"SGP11","Label Normal pool and 100 year ponding elevation of the existing lake/pond. "]
["NOT MET",null,null,"SGP12","Show state and county stream buffers adjacent to all streams. "]
["NOT MET",null,null,"SGP13","Label approximate location of storm water detention area. "]
["NOT MET",null,null,"SGP14","Identify all storm water facilities, and all proposed bmp(MUST STATE THE EXACT BMP)"]
["NOT MET",null,null,"SGP15","Select appropriate Floodplain Note(s). Either select note a or b and select notes c and d as applicable.\na. There is no floodplain on this property from a water course with a drainage area exceeding 100 acres or floodplain per FIRM Panel ______ dated _______.\nb. Floodplain on this property from all water courses with a drainage area exceeding 100 acres is shown.\nc. Floodplain shown is from FIRM panel _______ dated ________.\nd. Floodplain shown is from Floodplain study titled ____________ by _______________ dated _______.  Study was done as a part of project number XXX xxxx-xxxxx. \n"]
["NOT MET",null,null,"SGP16","Select appropriate wetlands note(s).  Select either a or b and if wetlands are being disturbed on the site select note c\na. There are no wetlands being disturbed on this site.\nb. All wetlands to be disturbed are delineated on this site.\nc. The wetlands disturbance is in accordance with permit ___________.  "]
["NOT MET",null,null,"SGP17","Select the appropriate storm water management note.\na. Storm Water Management for this final plat is provided in this unit and is addressed in project named ___________ with case number SDP xxxx-xxxxx is provided in this unit.\nb. Maintenance Agreement, bond, and as-built of storm water management facility for this unit is provide in unit named _________ with case number XXX xxxx-xxxxx.  "]
["NOT MET",null,null,"SGP18","Select appropriate state waters note(s).  Select either a or b and if a state waters buffer is being disturbed on the site select note c.\na. There are no stream buffers on this site.\nb. A 50-foot undisturbed buffer and 75-foot impervious setback shall be maintained adjacent to all streams.\nc. Stream buffer disturbance shown is in accordance with stream buffer variance number ________.  \n"]
["NOT MET",null,null,"SGP19","Provide stationing, top of wall and bottom of wall elevations labels for all retaining walls, include these labels at each break/change in elevation (bottom of wall elevation is defined as the elevation at the top footing)."]
[null,null,null,"SGP32","xxx"]
[null,null,null,"SGP33","xxx"]
[null,null,null,"SGP34","xxx"]
[null,null,null,"SGP35","xxx"]
[null,null,null,"SGP36","xxx"]
[null,null,null,"PCP01","Provide pipe profiles.  Show existing and proposed ground surface profiles, pipe lengths, slopes, inverts, and 25-year hydraulic grade lines. ",null,null,null,null," 3.3.1.6"]
[null,null,null,"PCP02","Provide channel profiles.  Show existing and proposed ground surface profiles, channel lengths, 25-year normal flow depth and slopes.  Minimum freeboard to be 20% of the flow depth. ",null,null,null,null,"5.2.1"]
[null,null,null,"PCP03","25-year hydraulic grade line must be at least 1 foot below the gutter line or top of grate. ",null,null,null,null,"  3.3.1.1"]
[null,null,null,"PCP04","Channel velocities for the fully developed 25-year flow shall not exceed the non-erosive velocity as shown in Table 5.2 of the Gwinnett County Storm water System and Facilities Installation Standards and Specifications Refer to open channel #_________. ",null,null,null,null,"5.2.1"]
[null,null,null,"PCP05","Minimum slope for storm drain pipe is 0.50% ",null,null,null,null,"  3.9.2.2 "]
[null,null,null,"PCP06","Minimum Velocity (V25) for storm pipe is 2.5fps ",null,null,null,null,"3.9.3.3 "]
[null,null,null,"PCP07","Velocity in corrugated metal pipe system exceed 5 fps maximum.  ",null,null,null,null,"Table 3-43"]
[null,null,null,"PCP08","Slope of CMP or HDPE pipe(s) #__________exceed(s) 14% maximum.  Provide anchors per manufacture’s recommendations.",null,null,null,null,"3.4.1"]
[null,null,null,"PCP09","Slope of RCP pipe(s) #__________exceed(s) 10% maximum.  Provide anchors per manufacture’s recommendations.",null,null,null,null,"3.4.1 "]
[null,null,null,"PCP10","Show minimum ground cover of 1’-0” for pipe(s) #_________.",null,null,null,null,"3.4.1.4"]
[null,null,null,"PCP11","Anchor collars may be required on CMP pipes exceeding 10% slope.  Specifically pipe(s) #__________. "]
[null,null,null,"PCP12","Show 100-year ponding limit and elevation above inlet #_________.  ",null,null,null,null,4.3]
[null,null,null,"PCP13","Show 100-year hydraulic grade line in all culverts.  Specifically pipe(s) #__________. Use USGS regression equations where applicable to check the magnitude of peak flows when other hydrologic methods recommended in the manual are used.  ",null,null,null,null,4.3]
[null,null,null,"PCP14","Maximum vertical drop in Storm Drain structure shall not exceed 10’.  ",null,null,null,null,4.3]
[null,null,null,"PCP15","Maximum spacing of structures that can be used for access shall be 300’.  Specifically, pipe(s) #__________.",null,null,null,null,"3.2.1"]
[null,null,null,"PCP18","Development plans must be sealed by Professional Engineer or Landscape Architect. ",null,null,null,null,"340-30.2"]
[null,null,null,"PCP19","xxx"]
[null,null,null,"PCP20","xxx"]
[null,null,null,"PCP21","xxx"]
[null,null,null,"PCP22","xxx"]
[null,null,null,"PCP23","xxx"]
[null,null,null,"SWA00","Storm water Approval",null,null,null,null,"Reference"]
[null,null,null,"SWA01","AFTER ALL CORRECTIONS, PROVIDE THE FOLLOWING (TO BE RECEIVED PRIOR TO DEVELOPMENT PERMIT SIGN-OFF)"]
[null,null,null,"SWA02","Pay TV inspection fees (based on $45.00 plus $0.15LF for all storm water pipe 15\" or larger).    $Insert Fee Amount"]
[null,null,null,"SWA03","xxx"]
[null,null,null,"SWA04","xxx"]
[null,null,null,"SWA04","xxx"]
[null,null,null,"SWA04","xxx"]
[null,null,null,"SWA04","xxx"]
[null,null,null,"ESC02","Erosion control maps, drawings, and supportive computations shall bear the signature, date of signature, and seal of a registered or certified professional in engineering, architecture, landscape architecture, land surveying, or erosion and sediment control.",null,null,null,null,"400-50.2B"]
[null,null,null,"ESC03","Provide graphic scale and north point or arrow indicating magnetic north.   ",null,null,null,null,"400-50.C"]
[null,null,null,"ESC04","Provide boundary line survey information.  ",null,null,null,null,"400-50.C"]
[null,null,null,"ESC05","Indicate on the plans adjacent areas and features such as streams, lakes, residential areas, etc., which might be affected by project work.",null,null,null,null,"400-50.3C"]
[null,null,null,"ESC06","Show all proposed structures or additions to existing structures.  ",null,null,null,null,"400-50.3C"]
[null,null,null,"ESC07","For projects in Big Haynes Creek watershed inside the 7 mile radius to Black Shoals Reservoir, on perennial streams shown on the USGS quad maps, show a minimum 100 foot buffer and 150 foot no-impervious surface setback.  See the zoning resolution for exempt activities.  ",null,null,null,null," 220-20"]
[null,null,null,"ESC08","Locate the erosion and sediment control measures on the plan using the uniform coding symbols from chapter 6 of the Manual for Erosion and Sediment Control in Georgia. "]
[null,null,null,"ESC09","Discharge of water from sediment basins and impoundments must utilize outlet structures that withdraw water from the surface. Add detail Sk."]
[null,null,null,"ESC10","After consulting the National Wetlands Inventory Map, it appears that wetlands exist on the project property.  These wetland areas must be indicated on the site plan.  National Wetland Inventory Maps are on file with the Gwinnett County Department of Public Utilities, and are available at 75 Langley Drive for the design consultant’s perusal.  NWI Maps are also available on the internet at http://www.fws.gov/wetlands/Data/Mapper.html  ",null,null,null,null,"Mapper"]
[null,null,null,"ESC12","Gwinnett County will not issue a land disturbance permit until we receive documentation from the Corps of Engineers that an Individual Permit or a Letter of Permission authorizes the proposed encroachment in wetland areas.  If the encroachment is authorized under a Nationwide Permit, we must receive documentation from the applicant’s engineer about which Nationwide Permit is applicable and why the encroachment meets the conditions of that Nationwide permit.  We also must receive a copy of the approved PCN letter from the Corps of Engineers, if applicable. The Corps of Engineers can be contacted at the following address:       \n\nPhilip Shannon\nChief of Permits Section\nUS Army Corps of Engineers, Savannah District Regulatory Division – Piedmont Branch\n1590 Adamson Parkway, Suite 200\nMorrow, Georgia 30260-1777\n678-422-2729\nEmail:  Philip.A.Shannin2@usace.army.mil\n"]
[null,null,null,"ESC14","xxx"]
[null,null,null,"ESC15","xxx"]
[null,null,null,"ESC16","xxx"]
[null,null,null,"ESC17","xxx"]
[null,null,null,"ESC18","xxx"]
[null,null,null,"CSN30","xxx"]
[null,null,null,"CSN31","xxx"]
[null,null,null,"CSN32","xxx"]
[null,null,null,"CSN33","xxx"]
[null,null,null,"SWM01","Professional Engineer seal, signature and date.",null,null,null,null,"800-20.1"]
[null,null,null,"SWM02","Narrative explaining the purpose of the report."]
[null,null,null,"SWM03","Provide Flow Summary Sheet. Click on link for reference. ",null,null,null,null,"Ref"]
[null,null,null,"SWM04","Provide Energy Dissipation Sheet. Click on link for reference. ",null,null,null,null,"Ref"]
[null,null,null,"SWM05","Provide Downstream receiving conveyance velocity summary sheet. Click on link for reference. ",null,null,null,null,"Ref"]
[null,null,null,"SWM06","Provide Time of Concentration Sheet. Click on link for reference. ",null,null,null,null,"Ref"]
[null,null,null,"SWM07","Provide Curve Number Summery Sheet. Click on link for reference. ",null,null,null,null,"Ref"]
[null,null,null,"SWM08","Provide Gutter Spread Calculations Summary Sheet. Click on link for reference. ",null,null,null,null,"Ref"]
[null,null,null,"SWM10","A map showing drainage areas for all hydrographs.  Preferably county GIS for basins less than 100 acres.",null,null,null,null,"800-20.2"]
[null,null,null,"SWM12","Calculations determining the capacity of existing pipe to carry the proposed discharges.",null,null,null,null,"800-20.4"]
[null,null,null,"SWM13","Calculations showing discharge of concentrated flows into the streets do not exceed the flow rates in table 9-G.",null,null,null,null,"810-20.3"]
[null,null,null,"SWM14","Calculations showing outlet pipe for detention ponds will accommodate 125% of Q100 routed, if no earthen embankment emergency spillway is proposed.",null,null,null,null,"800-60.2"]
[null,null,null,"SWM15","Show time of concentration calculations for all hydrographs.",null,null,null,null,"800-20.4.f"]
[null,null,null,"SWM16","Curve Number calculations for both pre-developed and post-developed conditions for all hydrographs. Follow the procedures set forth in the Gwinnett Storm water Systems and Facilities Standards and Specifications.",null,null,null,null,"800-10.4"]
[null,null,null,"SWM17","Provide Energy dissipater calculations/designs for outlet headwalls of pipes and detention ponds.  "]
[null,null,null,"SWM19","Analyze downstream watercourses and receiving conveyances to determine 25-yr. flow channel velocities.  If the non-erosive velocity of the stream is exceeded, detention may be required.   Provide calculations with cross-section, depth of flow and velocity in channel.",null,null,null,null,"800-20.3"]
[null,null,null,"SWM20","Analyze existing pipe systems and culverts for compliance with current development regulation design criteria.  Culverts should pass Q100.  If existing pipes are not adequate for increased 100-year flow, detention may be required.",null,null,null,null,"800-20.3"]
[null,null,null,"SWM21","Hydrograph comparisons for the 1, 2, 5, 10, and 25, 50 and 100-year storms for both the downstream property line study point and the point where the drainage basin equals 10 times the project area.  "]
[null,null,null,"SWM22","A detailed written description of the first 500 feet off site; at least one photograph looking downstream with some object included in the photograph for scale shall be included. "]
[null,null,null,"SWM23","Detain the runoff from the 1-year storm for 24 hours.  Use the SCS runoff equation to size the volume required.  "]
[null,null,null,"SWM24","Provide a cross-section of detention pond embankment including outlet pipe, emergency spillway, embankment slopes, minimum embankment top width, outlet control structures, headwalls, and riprap.  Verify that minimum 1’-6” freeboard above maximum water surface elevation is provided for earthen dams.  "]
[null,null,null,"SWM25","Orifices less than 3” in diameter must be protected from clogging such as Detail 629.  A trash rack (maximum mesh opening of d/2) with a surface area of at least 10 square feet shall protect all orifices 15\" or less in diameter.  Provide detail.  "]
[null,null,null,"SWM26","For the site, use pre-developed CN less than or equal to 55 unless approved by this office.  "]
[null,null,null,"SWM27","Post-developed flows at every location where run-off will leave the development must be less than or equal to pre-developed flows, unless meeting the conditions.",null,null,null,null,"800-40.5"]
[null,null,null,"SWM28","24-hour detention of the 1-year storm is required if water quality protection is required, unless meeting conditions of. Refer to _____ year storm in Basin _____.",null,null,null,null,"800-40.5"]
[null,null,null,"SWM29","Where water quality is treated in a regional storm water facility approved between April 27, 1999 , and January 1,2001, all lots within the treated area shall either conform to the original permit requirements and water quality regulations at the time of approval or conform to the current water quality regulations. A volume verification confirming facility maintenance in accordance with the original design shall be certified by an authorized registered professional an submitted to the Department for review and approval.",null,null,null,null,"800-90.5"]
[null,null,null,"SWM30","Where storm water detention is treated in a regional facility approved before April 27, 1999 , all lots within the treated area shall conform to current water quality  and channel protection regulations. A volume verification confirming facility maintenance in accordance with the original design shall be certified by an authorized registered professional an submitted to the Department for review and approval.",null,null,null,null,"800-90.5"]
[null,null,null,"SWM31","Since detention for project is claimed in an existing facility, provide documentation that 1) existing facility was certified in last 18 months or 2) documentation that facility meets the development requirements when the facility was approved, or 3) that maintenance/ construction will be preformed to bring facility into compliance.",null,null,null,null,"800-90.5"]
[null,null,null,"EDP00","Extended Detention Pond",null,null,null,null,"Reference"]
[null,null,null,"EDP01","All facilities with a drainage area larger than 20-acres should be designed as a wet facility unless the engineer can show that the pond will not remain wet.  "]
[null,null,null,"EDP02","Use the “CP & WQ Design Tool” found on www.gwinnettstormwater.com >Documents >Development Review Documents to determine volumes and orifice sizes.  "]
[null,null,null,"EDP03","Inlet and outlets should be at opposite ends of the pond to maximize flow length.  Baffles or islands may be installed to increase the flow path length and to minimize short-circuiting. "]
[null,null,null,"EDP04","Provide calculations showing emergency spillway is designed to pass the 100-year storm event and that freeboard for earthen dams is at least 1.5 feet above 100-year ponding elevation and 1 feet for non-earthen, walled dams.",null,null,null,null,"810-30.3"]
[null,null,null,"EDP05","Provide a 15-foot wide maintenance access drive to the pond outlet structure.  Show grading on plans.",null,null,null,null,"800-70.10"]
[null,null,null,"EDP06","Show calculations for Water Quality Volume (WQv).  "]
[null,null,null,"EDP07","Size the outlet orifice for a 24-hour drawdown time.",null,null,null,null,2.8]
[null,null,null,"EDP08","Outlet orifices shall be protected from clogging."]
[null,null,null,"EDP09","xxx"]
[null,null,null,"EDP10","xxx"]
[null,null,null,"EDP11","xxx"]
[null,null,null,"EDP12","xxx"]
[null,null,null,"EDP13","xxx"]
[null,null,null,"WQP02","Minimum reduction in TSS shall be 80% for 1.2\" of first flush and 100% for 1.0\" of first flush.",null,null,null,null,"800-30.1"]
[null,null,null,"FSR01","When floodplain encountered is not FEMA related (i.e. is not shown as floodplain on the FIRM maps but is a drainage area greater than 100 acres), and NO encroachment in the floodplain is proposed, flood study shall contain a\nHEC-RAS study information summarized similar to the attached reference.                                                                                              \nShow Floodway limits.  If no floodway has been determined using the Regulatory Flood, calculate floodway limits and show on plans. \n",null,null,null,null,"Ref"]
[null,null,null,"FSR02","When Floodplain encountered is not FEMA related (i.e. is not shown as floodplain on the FIRM maps but is a drainage area greater than 100 acres), but encroachment IS proposed, Flood Study shall contain the following:      \nHEC-RAS study information summarized similar to the attached reference.                                                                                            This information from FIS, Flood Insurance Study\n",null,null,null,null,"Ref"]
[null,null,null,"FSR03","Preliminary Plat, Grading Plan, or Site Plan clearly defining floodplain encroachments and showing flood study cross sections at proposed encroachments.  "]
[null,null,null,"FSR04","The cross sections chosen for doing the flood study must be changed in HEC-RAS to reflect the proposed floodplain encroachment.  Provide plots of the pre and post encroachment cross sections.  "]
[null,null,null,"FSR05","If changes to the regulatory flood elevation are proposed, submit profiles of the channel showing existing and proposed base flood elevations.  "]
[null,null,null,"FSR06","Proposed floodplain storage (end area) calculations based on maximum 100’ cross section spacing (or other approved methods) (include cross sections in report) showing that flood storage capacity will not be reduced by the proposed grading."]
[null,null,null,"FSR07","Description of the extent to which any watercourse or floodplain will be altered or relocated as a result of the proposed development.  "]
[null,null,null,"FSR08","100-year base and regulatory floodplain elevation increases must be contained on site unless contained in a drainage easement obtained by the developer.  Flood study shows increases offsite at cross section. "]
[null,null,null,"FSR09","Provide documentation supporting your choice of Manning ‘n’ values for channel and overbank.  "]
[null,null,null,"FSR10","Show Floodway limits.  If no floodway has been determined using the Regulatory Flood, calculate floodway limits and show on plans. "]
[null,null,null,"FSR11","When floodplain encountered is FEMA related (i.e. is shown as floodplain on the FIRM maps), and NO encroachment in the floodplain is proposed, flood study shall contain the following:                                                                                                        HEC-RAS study information summarized similar to the attached reference.    \n   \n\n",null,null,null,null,"Ref"]
[null,null,null,"FSR12","If zone A on the FIRM, make application to FEMA for a LOMR.  Documentation that a complete submittal has been received by FEMA is required prior to receiving a permit from Gwinnett County.  "]
[null,null,null,"FSR13","Show Floodway limits.  If no floodway has been determined using the Regulatory Flood, calculate floodway limits and show on plans. "]
[null,null,null,"FSR14","When Floodplain encountered is FEMA related (i.e. is  shown as floodplain on the FIRM maps), and encroachment in the floodplain IS proposed, Flood Study shall contain the following:                                                                                              HEC-RAS study information summarized similar to the attached reference.\n"]
[null,null,null,"FSR15","Preliminary Plat, Grading Plan, or Site Plan clearly defining floodplain encroachments and showing flood study cross sections at proposed encroachments.  "]
[null,null,null,"FSR16","The cross sections chosen for doing the flood study must be changed in HEC-RAS to reflect the proposed floodplain encroachment.  Provide plots of the pre and post encroachment cross sections.  "]
[null,null,null,"FSR17","If changes to the regulatory flood elevation are proposed, submit profiles of the channel showing existing and proposed base flood elevations.  "]
[null,null,null,"FSR18","Proposed floodplain storage (end area) calculations based on maximum 100’ cross section spacing (or other approved methods) (include cross sections in report) showing that flood storage capacity will not be reduced by the proposed grading.  "]
[null,null,null,"FSR19","Description of the extent to which any watercourse or floodplain will be altered or relocated as a result of the proposed development.  "]
[null,null,null,"FSR20","100-year base and regulatory floodplain elevation increases must be contained on site unless contained in a drainage easement obtained by the developer.  Flood study shows increases offsite at cross section."]
[null,null,null,"FSR21","Show Floodway limits.  If no floodway has been determined using the Regulatory Flood, calculate floodway limits and show on plans. "]
[null,null,null,"FSR22","Make application to FEMA for a CLOMR.  Documentation that a complete submittal has been received by FEMA is required prior to receiving a permit from Gwinnett County. "]
[null,null,null,"FSR23","The applicant shall certify and provide documentation that all other applicable environmental permits have been acquired for the site.  Use Environmental Permit Affidavit form.",null,null,null,null,"700-10.12.B"]
[null,null,null,"FSR24","Add note to plans, “The boundaries or limits of the floodplain are shown within 0.5 feet vertical accuracy.  "]
[null,null,null,"FSR25","Provide “no-rise” certification.",null,null,null,null,"700-20.2"]
[null,null,null,"FSR26","Floodway being revised, provide CLOMR/CLOMA.",null,null,null,null,"700-20.2.A.3"]
[null,null,null,"FSR27","xxx"]
[null,null,null,"FSR28","xxx"]
[null,null,null,"FSR29","xxx"]
[null,null,null,"FSR30","xxx"]
[null,null,null,"FSR31","xxx"]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[null,null,"EP"]
[null,null,"CY"]
[null,null,"AW"]
[null,null,"GK"]
[null,null,"BW"]
[]
["X"]
[]
["MET"]
["NOT MET"]
["N/A"]

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[]
[null,"CDP Stormwater Plan Review Checklist",null,null,null,null,"Case Number",null,{"$f":"PROJECT!H11","v":0}]
[]
["REQD","DATE","REVIEWER","COMMENT","SWS PLAN REVIEW CHECKLIST COMMENT"]
["X",null,null,"PS00","Plan Submittal Process ",null,null,null,null,"Reference"]
["X",null,null,"PS01","Initial submittals and re-submittal shall be made digitally by using the following link:                                                                     https://eddspermits.gwinnettcounty.com/citizenaccess/  Submit annotated checklist with re-submittal and allow up to 10 business days for review.",null,null,null,null,"Submittal"]
[null,null,null,"PS02","Walk Through "]
[null,null,null,"PS03","Drop-Off, include a copy of these comments and one set of plans, do not drop off money. Bring to Suite 150- 1st floor One Justice any day of the week.  Allow up to 5 business days for re-review."]
["X",null,null,"PS02","An appointment may be scheduled with a plan reviewer. Call 678.518.6174 to schedule an appointment."]
["X",null,null,"CSW00","Commercial Stormwater One-Stop",null,null,null,null,"Reference"]
["X",null,null,"CSW01","Stormwater Management Report: Return 1 hard and 1 digital set of the report for approval."]
["X",null,null,"CSW02","Civil Site Plans: Return 3 hard and 1 digital set of plans for approval. (FULL SETS)"]
["X",null,null,"CSW03","All hard copies and digital sets must be signed and dated."]
["X",null,null,"SGP00","Site/Grading Plan",null,null,null,null,"Reference"]
[null,null,null,"SGP01","Number all pipes and structures on plan.",null,null,null,null,"320-30.5"]
[null,null,null,"SGP02","Show Grading of and number all open channels on plan. ",null,null,null,null,"320-30.5"]
[null,null,null,"SGP03","Show topography at a 2’ contour interval or less.  ",null,null,null,null,"320-30.5"]
[null,null,null,"SGP04","Show drainage easement on pipes consistent with table.",null,null,null,null,1000.1]
[null,null,null,"SGP05","Show regulatory and 100-year floodplain contour, elevation and floodway limits and indicate information source.",null,null,null,null,"700-30.7"]
[null,null,null,"SGP06","Indicate minimum floor elevation of building on plans. ",null,null,null,null,"700-30.7"]
[null,null,null,"SGP09","Storm sewer pipe that do not carry live streams must extend at least 50 feet past the front building setback line. ",null,null,null,null,"3.3.2.2"]
[null,null,null,"SGP10","Standard landscaping and landscaping requirements that are part of zoning conditions are not permitted within designated drainage or BMP easements.  Provide Landscape Plan.",null,null,null,null,"600-20.1"]
[null,null,null,"SGP11","Provide a drainage easement located a minimum of 10-feet outside the 100-year ponding limits of the detention pond.   ",null,null,null,null,"DELETE ","This is a carry over from the time ponds were on private property"]
[null,null,null,"SGP12","For commercial projects, provide a cleared access easement 20’ wide to the detention pond from a public street.",null,null,null,null,"800-70.9"]
[null,null,null,"SGP13","Within the access easement, a 15-foot wide road shall be graded at a maximum 20% grade to provide access to the facility.  Show grading on plans.  The road shall be grassed or paved.  The road shall extend to the bottom of the pond when the pond is greater than 10 feet deep or 50 feet wide. ",null,null,null,null,"800-70.10"]
[null,null,null,"SGP14","Discharge pipe must be no closer to the project site's property line than the greater of the distance necessary to construct any velocity protection or a flow distance equal to six (6) pipe diameters.",null,null,null,null," 810-20.1"]
[null,null,null,"SGP15","Minimum top width of detention pond, earthen dam to be 8’-0”.    ",null,null,null,null,"  800-80.4"]
[null,null,null,"SGP16","Show grading associated with roadway deceleration lane. "]
[null,null,null,"SGP17","Provide a flume and riprap at end of the widened collector road or deceleration lane section. Provide flume detail on detail sheet.  "]
[null,null,null,"SGP18","Provide Wall Pond plan and section Detail Design incorporating design elements shown on UDO Sheet 618.",null,null,null,null,"Form"]
[null,null,null,"SGP19","Provide Dry Detention Pond plan and section Detail Design incorporating design elements shown on UDO Sheet 615. For ponds more than 5'.",null,null,null,null,"Form"]
[null,null,null,"SGP20","Provide Dry Detention Pond plan and section Detail Design incorporating design elements shown on UDO Sheet 612. For ponds less than 5'.",null,null,null,null,"Form"]
[null,null,null,"SGP21","Provide Wet Detention Pond plan and section Detail Design incorporating design elements shown on UDO Sheet 617. For ponds more than 5'.",null,null,null,null,"Form"]
[null,null,null,"SGP22","Provide Wet Detention Pond plan and section Detail Design incorporating design elements shown on UDO Sheet 614. For ponds less than 5'.",null,null,null,null,"Form"]
[null,null,null,"SGP23","Provide Underground Detention Pond plan and section Detail Design incorporating design elements shown on UDO Sheet 631. ",null,null,null,null,"Form"]
[null,null,null,"SGP24","Provide a Standard Pipe Bedding Detail (SSFISS 3-48)",null,null,null,null,"Form"]
[null,null,null,"SGP25","Forebay equaling 10% of the water quality volume must be provided for each inlet to the pond. Provide calculations within report and show grading details on plans. "]
[null,null,null,"SGP26","Provide Forebay plan and section of Detail Design incorporating design elements shown on UDO Sheet 625."]
["NOT MET",null,null,"SGP01","Changes from these comments should be submitted in its entirety.  Originals can be picked-up. "]
["NOT MET",null,null,"SGP02","Please tell us where we should send a copy of the executed agreement."]
["NOT MET",null,null,"SGP03","Provide two originals of the latest agreements and properly label exhibits in order."]
["NOT MET",null,null,"SGP04","Fill in correct property owner name and verify owner (LLC, corporation or partnership) at Secretary of State.  "]
["NOT MET",null,null,"SGP05","Provide proof of ownership (i.e. recorded warranty deed/ paid taxes) & matching corporate seal. "]
["NOT MET",null,null,"SGP06","Use standard agreement with all applicable blanks completed & Print names under signatures."]
["NOT MET",null,null,"SGP07","Maintenance bonds are due prior to approval of a final plat or issuing a C.O.  Provide a \"Surety Information Form\" and bond calculations with supporting documents on BMP costs. "]
["NOT MET",null,null,"SGP08","For Corporations, attach the corporate seal, signed by the President, and attested by the Secretary."]
["NOT MET",null,null,"SGP09","For Partnerships & LLC’s, it must be signed by a Partner/Manager, witnessed, and notarized."]
["NOT MET",null,null,"SGP10","For individual property owners, it must be signed by all owners, witnessed, and notarized."]
["NOT MET",null,null,"SGP11","Provide an exhibit A for all BMP’s showing their location within the entire property on signed & sealed plat with legal descriptions on pages not exceeding 8 ½” x 11” in size."]
["NOT MET",null,null,"SGP12","Provide an exhibit B of an annual schedule of maintenance and BMP inspections with the following statements: “Maintenance and Inspection Schedule shall be tailored to the type of BMP in accordance with the Georgia Storm water Management Manual, Chapter 3”, and “Reference exhibit \"D\" for a detailed inspection checklist.”"]
["NOT MET",null,null,"SGP13","Provide an exhibit C to the Access Easement Agreement for all BMP’s showing an access easement location to a public ROW, a labeled maximum ponding contour and elevation, a labeled 10’ DE shown outside the ponding contour, all on a signed & sealed plan not exceeding 8 ½” x 11” in size."]
["NOT MET",null,null,"SGP14","Provide an exhibit D of a BMP inspection report.  A pond report is in Gwinnett’s Design Manual.  "]
["NOT MET",null,null,"SGP15","PROPERTY OWNER NAME NEEDS TO BE THE SAME AS NAME OF THE LLC ON THE  SIGNATURE PAGE"]
["NOT MET",null,null,"SGP16","Provide stationing, top of wall and bottom of wall elevations labels for all retaining walls, include these labels at each break/change in elevation (bottom of wall elevation is defined as the elevation at the top footing)."]
[null,null,null,"SGP32","xxx"]
[null,null,null,"SGP33","xxx"]
[null,null,null,"SGP34","xxx"]
[null,null,null,"SGP35","xxx"]
[null,null,null,"SGP36","xxx"]
[null,null,null,"PCP01","Provide pipe profiles.  Show existing and proposed ground surface profiles, pipe lengths, slopes, inverts, and 25-year hydraulic grade lines. ",null,null,null,null," 3.3.1.6"]
[null,null,null,"PCP02","Provide channel profiles.  Show existing and proposed ground surface profiles, channel lengths, 25-year normal flow depth and slopes.  Minimum freeboard to be 20% of the flow depth. ",null,null,null,null,"5.2.1"]
[null,null,null,"PCP03","25-year hydraulic grade line must be at least 1 foot below the gutter line or top of grate. ",null,null,null,null,"  3.3.1.1"]
[null,null,null,"PCP04","Channel velocities for the fully developed 25-year flow shall not exceed the non-erosive velocity as shown in Table 5.2 of the Gwinnett County Storm water System and Facilities Installation Standards and Specifications Refer to open channel #_________. ",null,null,null,null,"5.2.1"]
[null,null,null,"PCP05","Minimum slope for storm drain pipe is 0.50% ",null,null,null,null,"  3.9.2.2 "]
[null,null,null,"PCP06","Minimum Velocity (V25) for storm pipe is 2.5fps ",null,null,null,null,"3.9.3.3 "]
[null,null,null,"PCP07","Velocity in corrugated metal pipe system exceed 5 fps maximum.  ",null,null,null,null,"Table 3-43"]
[null,null,null,"PCP08","Slope of CMP or HDPE pipe(s) #__________exceed(s) 14% maximum.  Provide anchors per manufacture’s recommendations.",null,null,null,null,"3.4.1"]
[null,null,null,"PCP09","Slope of RCP pipe(s) #__________exceed(s) 10% maximum.  Provide anchors per manufacture’s recommendations.",null,null,null,null,"3.4.1 "]
[null,null,null,"PCP10","Show minimum ground cover of 1’-0” for pipe(s) #_________.",null,null,null,null,"3.4.1.4"]
[null,null,null,"PCP11","Anchor collars may be required on CMP pipes exceeding 10% slope.  Specifically pipe(s) #__________. "]
[null,null,null,"PCP12","Show 100-year ponding limit and elevation above inlet #_________.  ",null,null,null,null,4.3]
[null,null,null,"PCP13","Show 100-year hydraulic grade line in all culverts.  Specifically pipe(s) #__________. Use USGS regression equations where applicable to check the magnitude of peak flows when other hydrologic methods recommended in the manual are used.  ",null,null,null,null,4.3]
[null,null,null,"PCP14","Maximum vertical drop in Storm Drain structure shall not exceed 10’.  ",null,null,null,null,4.3]
[null,null,null,"PCP15","Maximum spacing of structures that can be used for access shall be 300’.  Specifically, pipe(s) #__________.",null,null,null,null,"3.2.1"]
[null,null,null,"PCP18","Development plans must be sealed by Professional Engineer or Landscape Architect. ",null,null,null,null,"340-30.2"]
[null,null,null,"PCP19","xxx"]
[null,null,null,"PCP20","xxx"]
[null,null,null,"PCP21","xxx"]
[null,null,null,"PCP22","xxx"]
[null,null,null,"PCP23","xxx"]
[null,null,null,"SWA00","Storm water Approval",null,null,null,null,"Reference"]
[null,null,null,"SWA01","AFTER ALL CORRECTIONS, PROVIDE THE FOLLOWING (TO BE RECEIVED PRIOR TO DEVELOPMENT PERMIT SIGN-OFF)"]
[null,null,null,"SWA02","Pay TV inspection fees (based on $45.00 plus $0.15LF for all storm water pipe 15\" or larger).    $Insert Fee Amount"]
[null,null,null,"SWA03","xxx"]
[null,null,null,"SWA04","xxx"]
[null,null,null,"SWA04","xxx"]
[null,null,null,"SWA04","xxx"]
[null,null,null,"SWA04","xxx"]
[null,null,null,"ESC02","Erosion control maps, drawings, and supportive computations shall bear the signature, date of signature, and seal of a registered or certified professional in engineering, architecture, landscape architecture, land surveying, or erosion and sediment control.",null,null,null,null,"400-50.2B"]
[null,null,null,"ESC03","Provide graphic scale and north point or arrow indicating magnetic north.   ",null,null,null,null,"400-50.C"]
[null,null,null,"ESC04","Provide boundary line survey information.  ",null,null,null,null,"400-50.C"]
[null,null,null,"ESC05","Indicate on the plans adjacent areas and features such as streams, lakes, residential areas, etc., which might be affected by project work.",null,null,null,null,"400-50.3C"]
[null,null,null,"ESC06","Show all proposed structures or additions to existing structures.  ",null,null,null,null,"400-50.3C"]
[null,null,null,"ESC07","For projects in Big Haynes Creek watershed inside the 7 mile radius to Black Shoals Reservoir, on perennial streams shown on the USGS quad maps, show a minimum 100 foot buffer and 150 foot no-impervious surface setback.  See the zoning resolution for exempt activities.  ",null,null,null,null," 220-20"]
[null,null,null,"ESC08","Locate the erosion and sediment control measures on the plan using the uniform coding symbols from chapter 6 of the Manual for Erosion and Sediment Control in Georgia. "]
[null,null,null,"ESC09","Discharge of water from sediment basins and impoundments must utilize outlet structures that withdraw water from the surface. Add detail Sk."]
[null,null,null,"ESC10","After consulting the National Wetlands Inventory Map, it appears that wetlands exist on the project property.  These wetland areas must be indicated on the site plan.  National Wetland Inventory Maps are on file with the Gwinnett County Department of Public Utilities, and are available at 75 Langley Drive for the design consultant’s perusal.  NWI Maps are also available on the internet at http://www.fws.gov/wetlands/Data/Mapper.html  ",null,null,null,null,"Mapper"]
[null,null,null,"ESC12","Gwinnett County will not issue a land disturbance permit until we receive documentation from the Corps of Engineers that an Individual Permit or a Letter of Permission authorizes the proposed encroachment in wetland areas.  If the encroachment is authorized under a Nationwide Permit, we must receive documentation from the applicant’s engineer about which Nationwide Permit is applicable and why the encroachment meets the conditions of that Nationwide permit.  We also must receive a copy of the approved PCN letter from the Corps of Engineers, if applicable. The Corps of Engineers can be contacted at the following address:       \n\nPhilip Shannon\nChief of Permits Section\nUS Army Corps of Engineers, Savannah District Regulatory Division – Piedmont Branch\n1590 Adamson Parkway, Suite 200\nMorrow, Georgia 30260-1777\n678-422-2729\nEmail:  Philip.A.Shannin2@usace.army.mil\n"]
[null,null,null,"ESC14","xxx"]
[null,null,null,"ESC15","xxx"]
[null,null,null,"ESC16","xxx"]
[null,null,null,"ESC17","xxx"]
[null,null,null,"ESC18","xxx"]
[null,null,null,"CSN30","xxx"]
[null,null,null,"CSN31","xxx"]
[null,null,null,"CSN32","xxx"]
[null,null,null,"CSN33","xxx"]
[null,null,null,"SWM01","Professional Engineer seal, signature and date.",null,null,null,null,"800-20.1"]
[null,null,null,"SWM02","Narrative explaining the purpose of the report."]
[null,null,null,"SWM03","Provide Flow Summary Sheet. Click on link for reference. ",null,null,null,null,"Ref"]
[null,null,null,"SWM04","Provide Energy Dissipation Sheet. Click on link for reference. ",null,null,null,null,"Ref"]
[null,null,null,"SWM05","Provide Downstream receiving conveyance velocity summary sheet. Click on link for reference. ",null,null,null,null,"Ref"]
[null,null,null,"SWM06","Provide Time of Concentration Sheet. Click on link for reference. ",null,null,null,null,"Ref"]
[null,null,null,"SWM07","Provide Curve Number Summery Sheet. Click on link for reference. ",null,null,null,null,"Ref"]
[null,null,null,"SWM08","Provide Gutter Spread Calculations Summary Sheet. Click on link for reference. ",null,null,null,null,"Ref"]
[null,null,null,"SWM10","A map showing drainage areas for all hydrographs.  Preferably county GIS for basins less than 100 acres.",null,null,null,null,"800-20.2"]
[null,null,null,"SWM12","Calculations determining the capacity of existing pipe to carry the proposed discharges.",null,null,null,null,"800-20.4"]
[null,null,null,"SWM13","Calculations showing discharge of concentrated flows into the streets do not exceed the flow rates in table 9-G.",null,null,null,null,"810-20.3"]
[null,null,null,"SWM14","Calculations showing outlet pipe for detention ponds will accommodate 125% of Q100 routed, if no earthen embankment emergency spillway is proposed.",null,null,null,null,"800-60.2"]
[null,null,null,"SWM15","Show time of concentration calculations for all hydrographs.",null,null,null,null,"800-20.4.f"]
[null,null,null,"SWM16","Curve Number calculations for both pre-developed and post-developed conditions for all hydrographs. Follow the procedures set forth in the Gwinnett Storm water Systems and Facilities Standards and Specifications.",null,null,null,null,"800-10.4"]
[null,null,null,"SWM17","Provide Energy dissipater calculations/designs for outlet headwalls of pipes and detention ponds.  "]
[null,null,null,"SWM19","Analyze downstream watercourses and receiving conveyances to determine 25-yr. flow channel velocities.  If the non-erosive velocity of the stream is exceeded, detention may be required.   Provide calculations with cross-section, depth of flow and velocity in channel.",null,null,null,null,"800-20.3"]
[null,null,null,"SWM20","Analyze existing pipe systems and culverts for compliance with current development regulation design criteria.  Culverts should pass Q100.  If existing pipes are not adequate for increased 100-year flow, detention may be required.",null,null,null,null,"800-20.3"]
[null,null,null,"SWM21","Hydrograph comparisons for the 1, 2, 5, 10, and 25, 50 and 100-year storms for both the downstream property line study point and the point where the drainage basin equals 10 times the project area.  "]
[null,null,null,"SWM22","A detailed written description of the first 500 feet off site; at least one photograph looking downstream with some object included in the photograph for scale shall be included. "]
[null,null,null,"SWM23","Detain the runoff from the 1-year storm for 24 hours.  Use the SCS runoff equation to size the volume required.  "]
[null,null,null,"SWM24","Provide a cross-section of detention pond embankment including outlet pipe, emergency spillway, embankment slopes, minimum embankment top width, outlet control structures, headwalls, and riprap.  Verify that minimum 1’-6” freeboard above maximum water surface elevation is provided for earthen dams.  "]
[null,null,null,"SWM25","Orifices less than 3” in diameter must be protected from clogging such as Detail 629.  A trash rack (maximum mesh opening of d/2) with a surface area of at least 10 square feet shall protect all orifices 15\" or less in diameter.  Provide detail.  "]
[null,null,null,"SWM26","For the site, use pre-developed CN less than or equal to 55 unless approved by this office.  "]
[null,null,null,"SWM27","Post-developed flows at every location where run-off will leave the development must be less than or equal to pre-developed flows, unless meeting the conditions.",null,null,null,null,"800-40.5"]
[null,null,null,"SWM28","24-hour detention of the 1-year storm is required if water quality protection is required, unless meeting conditions of. Refer to _____ year storm in Basin _____.",null,null,null,null,"800-40.5"]
[null,null,null,"SWM29","Where water quality is treated in a regional storm water facility approved between April 27, 1999 , and January 1,2001, all lots within the treated area shall either conform to the original permit requirements and water quality regulations at the time of approval or conform to the current water quality regulations. A volume verification confirming facility maintenance in accordance with the original design shall be certified by an authorized registered professional an submitted to the Department for review and approval.",null,null,null,null,"800-90.5"]
[null,null,null,"SWM30","Where storm water detention is treated in a regional facility approved before April 27, 1999 , all lots within the treated area shall conform to current water quality  and channel protection regulations. A volume verification confirming facility maintenance in accordance with the original design shall be certified by an authorized registered professional an submitted to the Department for review and approval.",null,null,null,null,"800-90.5"]
[null,null,null,"SWM31","Since detention for project is claimed in an existing facility, provide documentation that 1) existing facility was certified in last 18 months or 2) documentation that facility meets the development requirements when the facility was approved, or 3) that maintenance/ construction will be preformed to bring facility into compliance.",null,null,null,null,"800-90.5"]
[null,null,null,"EDP00","Extended Detention Pond",null,null,null,null,"Reference"]
[null,null,null,"EDP01","All facilities with a drainage area larger than 20-acres should be designed as a wet facility unless the engineer can show that the pond will not remain wet.  "]
[null,null,null,"EDP02","Use the “CP & WQ Design Tool” found on www.gwinnettstormwater.com >Documents >Development Review Documents to determine volumes and orifice sizes.  "]
[null,null,null,"EDP03","Inlet and outlets should be at opposite ends of the pond to maximize flow length.  Baffles or islands may be installed to increase the flow path length and to minimize short-circuiting. "]
[null,null,null,"EDP04","Provide calculations showing emergency spillway is designed to pass the 100-year storm event and that freeboard for earthen dams is at least 1.5 feet above 100-year ponding elevation and 1 feet for non-earthen, walled dams.",null,null,null,null,"810-30.3"]
[null,null,null,"EDP05","Provide a 15-foot wide maintenance access drive to the pond outlet structure.  Show grading on plans.",null,null,null,null,"800-70.10"]
[null,null,null,"EDP06","Show calculations for Water Quality Volume (WQv).  "]
[null,null,null,"EDP07","Size the outlet orifice for a 24-hour drawdown time.",null,null,null,null,2.8]
[null,null,null,"EDP08","Outlet orifices shall be protected from clogging."]
[null,null,null,"EDP09","xxx"]
[null,null,null,"EDP10","xxx"]
[null,null,null,"EDP11","xxx"]
[null,null,null,"EDP12","xxx"]
[null,null,null,"EDP13","xxx"]
[null,null,null,"WQP02","Minimum reduction in TSS shall be 80% for 1.2\" of first flush and 100% for 1.0\" of first flush.",null,null,null,null,"800-30.1"]
[null,null,null,"FSR01","When floodplain encountered is not FEMA related (i.e. is not shown as floodplain on the FIRM maps but is a drainage area greater than 100 acres), and NO encroachment in the floodplain is proposed, flood study shall contain a\nHEC-RAS study information summarized similar to the attached reference.                                                                                              \nShow Floodway limits.  If no floodway has been determined using the Regulatory Flood, calculate floodway limits and show on plans. \n",null,null,null,null,"Ref"]
[null,null,null,"FSR02","When Floodplain encountered is not FEMA related (i.e. is not shown as floodplain on the FIRM maps but is a drainage area greater than 100 acres), but encroachment IS proposed, Flood Study shall contain the following:      \nHEC-RAS study information summarized similar to the attached reference.                                                                                            This information from FIS, Flood Insurance Study\n",null,null,null,null,"Ref"]
[null,null,null,"FSR03","Preliminary Plat, Grading Plan, or Site Plan clearly defining floodplain encroachments and showing flood study cross sections at proposed encroachments.  "]
[null,null,null,"FSR04","The cross sections chosen for doing the flood study must be changed in HEC-RAS to reflect the proposed floodplain encroachment.  Provide plots of the pre and post encroachment cross sections.  "]
[null,null,null,"FSR05","If changes to the regulatory flood elevation are proposed, submit profiles of the channel showing existing and proposed base flood elevations.  "]
[null,null,null,"FSR06","Proposed floodplain storage (end area) calculations based on maximum 100’ cross section spacing (or other approved methods) (include cross sections in report) showing that flood storage capacity will not be reduced by the proposed grading."]
[null,null,null,"FSR07","Description of the extent to which any watercourse or floodplain will be altered or relocated as a result of the proposed development.  "]
[null,null,null,"FSR08","100-year base and regulatory floodplain elevation increases must be contained on site unless contained in a drainage easement obtained by the developer.  Flood study shows increases offsite at cross section. "]
[null,null,null,"FSR09","Provide documentation supporting your choice of Manning ‘n’ values for channel and overbank.  "]
[null,null,null,"FSR10","Show Floodway limits.  If no floodway has been determined using the Regulatory Flood, calculate floodway limits and show on plans. "]
[null,null,null,"FSR11","When floodplain encountered is FEMA related (i.e. is shown as floodplain on the FIRM maps), and NO encroachment in the floodplain is proposed, flood study shall contain the following:                                                                                                        HEC-RAS study information summarized similar to the attached reference.    \n   \n\n",null,null,null,null,"Ref"]
[null,null,null,"FSR12","If zone A on the FIRM, make application to FEMA for a LOMR.  Documentation that a complete submittal has been received by FEMA is required prior to receiving a permit from Gwinnett County.  "]
[null,null,null,"FSR13","Show Floodway limits.  If no floodway has been determined using the Regulatory Flood, calculate floodway limits and show on plans. "]
[null,null,null,"FSR14","When Floodplain encountered is FEMA related (i.e. is  shown as floodplain on the FIRM maps), and encroachment in the floodplain IS proposed, Flood Study shall contain the following:                                                                                              HEC-RAS study information summarized similar to the attached reference.\n"]
[null,null,null,"FSR15","Preliminary Plat, Grading Plan, or Site Plan clearly defining floodplain encroachments and showing flood study cross sections at proposed encroachments.  "]
[null,null,null,"FSR16","The cross sections chosen for doing the flood study must be changed in HEC-RAS to reflect the proposed floodplain encroachment.  Provide plots of the pre and post encroachment cross sections.  "]
[null,null,null,"FSR17","If changes to the regulatory flood elevation are proposed, submit profiles of the channel showing existing and proposed base flood elevations.  "]
[null,null,null,"FSR18","Proposed floodplain storage (end area) calculations based on maximum 100’ cross section spacing (or other approved methods) (include cross sections in report) showing that flood storage capacity will not be reduced by the proposed grading.  "]
[null,null,null,"FSR19","Description of the extent to which any watercourse or floodplain will be altered or relocated as a result of the proposed development.  "]
[null,null,null,"FSR20","100-year base and regulatory floodplain elevation increases must be contained on site unless contained in a drainage easement obtained by the developer.  Flood study shows increases offsite at cross section."]
[null,null,null,"FSR21","Show Floodway limits.  If no floodway has been determined using the Regulatory Flood, calculate floodway limits and show on plans. "]
[null,null,null,"FSR22","Make application to FEMA for a CLOMR.  Documentation that a complete submittal has been received by FEMA is required prior to receiving a permit from Gwinnett County. "]
[null,null,null,"FSR23","The applicant shall certify and provide documentation that all other applicable environmental permits have been acquired for the site.  Use Environmental Permit Affidavit form.",null,null,null,null,"700-10.12.B"]
[null,null,null,"FSR24","Add note to plans, “The boundaries or limits of the floodplain are shown within 0.5 feet vertical accuracy.  "]
[null,null,null,"FSR25","Provide “no-rise” certification.",null,null,null,null,"700-20.2"]
[null,null,null,"FSR26","Floodway being revised, provide CLOMR/CLOMA.",null,null,null,null,"700-20.2.A.3"]
[null,null,null,"FSR27","xxx"]
[null,null,null,"FSR28","xxx"]
[null,null,null,"FSR29","xxx"]
[null,null,null,"FSR30","xxx"]
[null,null,null,"FSR31","xxx"]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[null,null,"EP"]
[null,null,"CY"]
[null,null,"AW"]
[null,null,"GK"]
[null,null,"BW"]
[]
["X"]
[]
["MET"]
["NOT MET"]
["N/A"]

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[]
[null,"CDP Stormwater Plan Review Checklist",null,null,null,null,"Case Number",null,{"$f":"PROJECT!H11","v":0}]
[]
["REQD","DATE","REVIEWER","COMMENT","SWS PLAN REVIEW CHECKLIST COMMENT"]
["X",null,null,"PS00","Plan Submittal Process ",null,null,null,null,"Reference"]
["X",null,null,"PS01","Initial submittals and re-submittal shall be made digitally by using the following link:                                                                     https://eddspermits.gwinnettcounty.com/citizenaccess/  Submit annotated checklist with re-submittal and allow up to 10 business days for review.",null,null,null,null,"Submittal"]
[null,null,null,"PS02","Walk Through "]
[null,null,null,"PS03","Drop-Off, include a copy of these comments and one set of plans, do not drop off money. Bring to Suite 150- 1st floor One Justice any day of the week.  Allow up to 5 business days for re-review."]
["X",null,null,"PS02","An appointment may be scheduled with a plan reviewer. Call 678.518.6174 to schedule an appointment."]
["X",null,null,"CSW00","Commercial Stormwater One-Stop",null,null,null,null,"Reference"]
["X",null,null,"CSW01","Stormwater Management Report: Return 1 hard and 1 digital set of the report for approval."]
["X",null,null,"CSW02","Civil Site Plans: Return 3 hard and 1 digital set of plans for approval. (FULL SETS)"]
["X",null,null,"CSW03","All hard copies and digital sets must be signed and dated."]
["X",null,null,"SGP00","Site/Grading Plan",null,null,null,null,"Reference"]
["NOT MET",null,null,"SGP01","Site design shall comply with current Gwinnett County Regulations and Ordinances as posted on the Planning & Development website."]
["NOT MET",null,null,"SGP02","Show name of development and specify unit or phase, if any."]
["NOT MET",null,null,"SGP03","Show location map, scale, and North arrow; Specify district, land lot, parcel number, and property address in title block."]
["NOT MET",null,null,"SGP04","Show name, address, phone number, and email address for Developer & Designer."]
["NOT MET",null,null,"SGP05","Show hand written signature & date across engineers/surveyors seal on all sheets. Final Sets."]
["NOT MET",null,null,"SGP06","Show and label property lines, adjacent owners and parcel numbers, road names, pavement widths and R/W."]
[null,null,null,"SGP01","Number all pipes and structures on plan.",null,null,null,null,"320-30.5"]
[null,null,null,"SGP02","Show Grading of and number all open channels on plan. ",null,null,null,null,"320-30.5"]
[null,null,null,"SGP03","Show topography at a 2’ contour interval or less.  ",null,null,null,null,"320-30.5"]
[null,null,null,"SGP04","Show drainage easement on pipes consistent with table.",null,null,null,null,1000.1]
[null,null,null,"SGP05","Show regulatory and 100-year floodplain contour, elevation and floodway limits and indicate information source.",null,null,null,null,"700-30.7"]
[null,null,null,"SGP06","Indicate minimum floor elevation of building on plans. ",null,null,null,null,"700-30.7"]
[null,null,null,"SGP09","Storm sewer pipe that do not carry live streams must extend at least 50 feet past the front building setback line. ",null,null,null,null,"3.3.2.2"]
[null,null,null,"SGP10","Standard landscaping and landscaping requirements that are part of zoning conditions are not permitted within designated drainage or BMP easements.  Provide Landscape Plan.",null,null,null,null,"600-20.1"]
[null,null,null,"SGP11","Provide a drainage easement located a minimum of 10-feet outside the 100-year ponding limits of the detention pond.   ",null,null,null,null,"DELETE ","This is a carry over from the time ponds were on private property"]
[null,null,null,"SGP12","For commercial projects, provide a cleared access easement 20’ wide to the detention pond from a public street.",null,null,null,null,"800-70.9"]
[null,null,null,"SGP13","Within the access easement, a 15-foot wide road shall be graded at a maximum 20% grade to provide access to the facility.  Show grading on plans.  The road shall be grassed or paved.  The road shall extend to the bottom of the pond when the pond is greater than 10 feet deep or 50 feet wide. ",null,null,null,null,"800-70.10"]
[null,null,null,"SGP14","Discharge pipe must be no closer to the project site's property line than the greater of the distance necessary to construct any velocity protection or a flow distance equal to six (6) pipe diameters.",null,null,null,null," 810-20.1"]
[null,null,null,"SGP15","Minimum top width of detention pond, earthen dam to be 8’-0”.    ",null,null,null,null,"  800-80.4"]
[null,null,null,"SGP16","Show grading associated with roadway deceleration lane. "]
[null,null,null,"SGP17","Provide a flume and riprap at end of the widened collector road or deceleration lane section. Provide flume detail on detail sheet.  "]
[null,null,null,"SGP18","Provide Wall Pond plan and section Detail Design incorporating design elements shown on UDO Sheet 618.",null,null,null,null,"Form"]
[null,null,null,"SGP19","Provide Dry Detention Pond plan and section Detail Design incorporating design elements shown on UDO Sheet 615. For ponds more than 5'.",null,null,null,null,"Form"]
[null,null,null,"SGP20","Provide Dry Detention Pond plan and section Detail Design incorporating design elements shown on UDO Sheet 612. For ponds less than 5'.",null,null,null,null,"Form"]
[null,null,null,"SGP21","Provide Wet Detention Pond plan and section Detail Design incorporating design elements shown on UDO Sheet 617. For ponds more than 5'.",null,null,null,null,"Form"]
[null,null,null,"SGP22","Provide Wet Detention Pond plan and section Detail Design incorporating design elements shown on UDO Sheet 614. For ponds less than 5'.",null,null,null,null,"Form"]
[null,null,null,"SGP23","Provide Underground Detention Pond plan and section Detail Design incorporating design elements shown on UDO Sheet 631. ",null,null,null,null,"Form"]
[null,null,null,"SGP24","Provide a Standard Pipe Bedding Detail (SSFISS 3-48)",null,null,null,null,"Form"]
[null,null,null,"SGP25","Forebay equaling 10% of the water quality volume must be provided for each inlet to the pond. Provide calculations within report and show grading details on plans. "]
[null,null,null,"SGP26","Provide Forebay plan and section of Detail Design incorporating design elements shown on UDO Sheet 625."]
["NOT MET",null,null,"SGP07","Provide the 100 yr floodplain."]
["NOT MET",null,null,"SGP08","Residential Drainage Plan (RDP) required on the following lots_________.     "]
["NOT MET",null,null,"SGP09","Residential Drainage Study (RDS) required on the following lots______."]
["NOT MET",null,null,"SGP10","Select appropriate Floodplain Note(s). Either select note a or b and select notes c and d as applicable.\na. There is no floodplain on this property from a water course with a drainage area exceeding 100 acres or floodplain per FIRM Panel ______ dated _______.\nb. Floodplain on this property from all water courses with a drainage area exceeding 100 acres is shown.\nc. Floodplain shown is from FIRM panel _______ dated ________.\nd. Floodplain shown is from Floodplain study titled ____________ by _______________ dated _______.  Study was done as a part of project number XXX xxxx-xxxxx. \n"]
["NOT MET",null,null,"SGP11","Select appropriate wetlands note(s).  Select either a or b and if wetlands are being disturbed on the site select note c\na. There are no wetlands being disturbed on this site.\nb. All wetlands to be disturbed are delineated on this site.\nc. The wetlands disturbance is in accordance with permit ___________.  \n"]
["N/A",null,null,"SGP12","Select the appropriate storm water management note.\na. Storm Water Management for this final plat is provided in this unit and is addressed in project named ___________ with case number SDP xxxx-xxxxx.\nb. Maintenance Agreement, bond, and as-built of storm water management facility for this unit is provide in unit named _________ with case number XXX xxxx-xxxxx.  \n"]
["NOT MET",null,null,"SGP13","Select appropriate state waters note(s).  Select either a or b and if a state waters buffer is being disturbed on the site select note c.\na. There are no stream buffers on this site.\nb. A 50-foot undisturbed buffer and 75-foot impervious setback shall be maintained adjacent to all streams.\nc. Stream buffer disturbance shown is in accordance with stream buffer variance number ________.  \n"]
["NOT MET",null,null,"SGP14","An approved Residential Drainage Plan (RDP) is required prior to issuance of a building permit on those lots labeled \"RDP\".  An approved Hold and Release Affidavit is required on those lots labeled “RDP” or Residential Drainage Study  (RDS). "]
["NOT MET",null,null,"SGP15","Provide Flood Study"]
["NOT MET",null,null,"SGP16","Show 100-year floodplain limits with 100-year flood elevation. "]
["NOT MET",null,null,"SGP17","Show all existing stormwater pipes/structures and all drainage easements ."]
["NOT MET",null,null,"SGP18","If within flowage easement of NRCS dam, show flowage easement."]
["NOT MET",null,null,"SGP19","Show 50-foot undisturbed buffer and a 75-foot impervious setback  adjacent to all streams."]
["NOT MET",null,null,"SGP20","For projects in Big Haynes Creek watershed inside the 7 mile radius to Black Shoals Reservoir, on perennial streams shown on the USGS quad maps, show a minimum 100 foot buffer and 150 foot no-impervious surface setback."]
["NOT MET",null,null,"SGP21","Show dam breach zone for dams 9 feet or more in height in combination with an impounding capacity of 20 acre-feet or more at maximum water storage elevation or provide documentation that dam meets Safe Dam Criteria.  "]
["NOT MET",null,null,"SGP22","Provide all streams and stream buffers."]
["NOT MET",null,null,"SGP23","Provide stationing, top of wall and bottom of wall elevations labels for all retaining walls, include these labels at each break/change in elevation (bottom of wall elevation is defined as the elevation at the top footing)."]
[null,null,null,"SGP32","xxx"]
[null,null,null,"SGP33","xxx"]
[null,null,null,"SGP34","xxx"]
[null,null,null,"SGP35","xxx"]
[null,null,null,"SGP36","xxx"]
[null,null,null,"PCP01","Provide pipe profiles.  Show existing and proposed ground surface profiles, pipe lengths, slopes, inverts, and 25-year hydraulic grade lines. ",null,null,null,null," 3.3.1.6"]
[null,null,null,"PCP02","Provide channel profiles.  Show existing and proposed ground surface profiles, channel lengths, 25-year normal flow depth and slopes.  Minimum freeboard to be 20% of the flow depth. ",null,null,null,null,"5.2.1"]
[null,null,null,"PCP03","25-year hydraulic grade line must be at least 1 foot below the gutter line or top of grate. ",null,null,null,null,"  3.3.1.1"]
[null,null,null,"PCP04","Channel velocities for the fully developed 25-year flow shall not exceed the non-erosive velocity as shown in Table 5.2 of the Gwinnett County Storm water System and Facilities Installation Standards and Specifications Refer to open channel #_________. ",null,null,null,null,"5.2.1"]
[null,null,null,"PCP05","Minimum slope for storm drain pipe is 0.50% ",null,null,null,null,"  3.9.2.2 "]
[null,null,null,"PCP06","Minimum Velocity (V25) for storm pipe is 2.5fps ",null,null,null,null,"3.9.3.3 "]
[null,null,null,"PCP07","Velocity in corrugated metal pipe system exceed 5 fps maximum.  ",null,null,null,null,"Table 3-43"]
[null,null,null,"PCP08","Slope of CMP or HDPE pipe(s) #__________exceed(s) 14% maximum.  Provide anchors per manufacture’s recommendations.",null,null,null,null,"3.4.1"]
[null,null,null,"PCP09","Slope of RCP pipe(s) #__________exceed(s) 10% maximum.  Provide anchors per manufacture’s recommendations.",null,null,null,null,"3.4.1 "]
[null,null,null,"PCP10","Show minimum ground cover of 1’-0” for pipe(s) #_________.",null,null,null,null,"3.4.1.4"]
[null,null,null,"PCP11","Anchor collars may be required on CMP pipes exceeding 10% slope.  Specifically pipe(s) #__________. "]
[null,null,null,"PCP12","Show 100-year ponding limit and elevation above inlet #_________.  ",null,null,null,null,4.3]
[null,null,null,"PCP13","Show 100-year hydraulic grade line in all culverts.  Specifically pipe(s) #__________. Use USGS regression equations where applicable to check the magnitude of peak flows when other hydrologic methods recommended in the manual are used.  ",null,null,null,null,4.3]
[null,null,null,"PCP14","Maximum vertical drop in Storm Drain structure shall not exceed 10’.  ",null,null,null,null,4.3]
[null,null,null,"PCP15","Maximum spacing of structures that can be used for access shall be 300’.  Specifically, pipe(s) #__________.",null,null,null,null,"3.2.1"]
[null,null,null,"PCP18","Development plans must be sealed by Professional Engineer or Landscape Architect. ",null,null,null,null,"340-30.2"]
[null,null,null,"PCP19","xxx"]
[null,null,null,"PCP20","xxx"]
[null,null,null,"PCP21","xxx"]
[null,null,null,"PCP22","xxx"]
[null,null,null,"PCP23","xxx"]
[null,null,null,"SWA00","Storm water Approval",null,null,null,null,"Reference"]
[null,null,null,"SWA01","AFTER ALL CORRECTIONS, PROVIDE THE FOLLOWING (TO BE RECEIVED PRIOR TO DEVELOPMENT PERMIT SIGN-OFF)"]
[null,null,null,"SWA02","Pay TV inspection fees (based on $45.00 plus $0.15LF for all storm water pipe 15\" or larger).    $Insert Fee Amount"]
[null,null,null,"SWA03","xxx"]
[null,null,null,"SWA04","xxx"]
[null,null,null,"SWA04","xxx"]
[null,null,null,"SWA04","xxx"]
[null,null,null,"SWA04","xxx"]
[null,null,null,"ESC02","Erosion control maps, drawings, and supportive computations shall bear the signature, date of signature, and seal of a registered or certified professional in engineering, architecture, landscape architecture, land surveying, or erosion and sediment control.",null,null,null,null,"400-50.2B"]
[null,null,null,"ESC03","Provide graphic scale and north point or arrow indicating magnetic north.   ",null,null,null,null,"400-50.C"]
[null,null,null,"ESC04","Provide boundary line survey information.  ",null,null,null,null,"400-50.C"]
[null,null,null,"ESC05","Indicate on the plans adjacent areas and features such as streams, lakes, residential areas, etc., which might be affected by project work.",null,null,null,null,"400-50.3C"]
[null,null,null,"ESC06","Show all proposed structures or additions to existing structures.  ",null,null,null,null,"400-50.3C"]
[null,null,null,"ESC07","For projects in Big Haynes Creek watershed inside the 7 mile radius to Black Shoals Reservoir, on perennial streams shown on the USGS quad maps, show a minimum 100 foot buffer and 150 foot no-impervious surface setback.  See the zoning resolution for exempt activities.  ",null,null,null,null," 220-20"]
[null,null,null,"ESC08","Locate the erosion and sediment control measures on the plan using the uniform coding symbols from chapter 6 of the Manual for Erosion and Sediment Control in Georgia. "]
[null,null,null,"ESC09","Discharge of water from sediment basins and impoundments must utilize outlet structures that withdraw water from the surface. Add detail Sk."]
[null,null,null,"ESC10","After consulting the National Wetlands Inventory Map, it appears that wetlands exist on the project property.  These wetland areas must be indicated on the site plan.  National Wetland Inventory Maps are on file with the Gwinnett County Department of Public Utilities, and are available at 75 Langley Drive for the design consultant’s perusal.  NWI Maps are also available on the internet at http://www.fws.gov/wetlands/Data/Mapper.html  ",null,null,null,null,"Mapper"]
[null,null,null,"ESC12","Gwinnett County will not issue a land disturbance permit until we receive documentation from the Corps of Engineers that an Individual Permit or a Letter of Permission authorizes the proposed encroachment in wetland areas.  If the encroachment is authorized under a Nationwide Permit, we must receive documentation from the applicant’s engineer about which Nationwide Permit is applicable and why the encroachment meets the conditions of that Nationwide permit.  We also must receive a copy of the approved PCN letter from the Corps of Engineers, if applicable. The Corps of Engineers can be contacted at the following address:       \n\nPhilip Shannon\nChief of Permits Section\nUS Army Corps of Engineers, Savannah District Regulatory Division – Piedmont Branch\n1590 Adamson Parkway, Suite 200\nMorrow, Georgia 30260-1777\n678-422-2729\nEmail:  Philip.A.Shannin2@usace.army.mil\n"]
[null,null,null,"ESC14","xxx"]
[null,null,null,"ESC15","xxx"]
[null,null,null,"ESC16","xxx"]
[null,null,null,"ESC17","xxx"]
[null,null,null,"ESC18","xxx"]
[null,null,null,"CSN30","xxx"]
[null,null,null,"CSN31","xxx"]
[null,null,null,"CSN32","xxx"]
[null,null,null,"CSN33","xxx"]
[null,null,null,"SWM01","Professional Engineer seal, signature and date.",null,null,null,null,"800-20.1"]
[null,null,null,"SWM02","Narrative explaining the purpose of the report."]
[null,null,null,"SWM03","Provide Flow Summary Sheet. Click on link for reference. ",null,null,null,null,"Ref"]
[null,null,null,"SWM04","Provide Energy Dissipation Sheet. Click on link for reference. ",null,null,null,null,"Ref"]
[null,null,null,"SWM05","Provide Downstream receiving conveyance velocity summary sheet. Click on link for reference. ",null,null,null,null,"Ref"]
[null,null,null,"SWM06","Provide Time of Concentration Sheet. Click on link for reference. ",null,null,null,null,"Ref"]
[null,null,null,"SWM07","Provide Curve Number Summery Sheet. Click on link for reference. ",null,null,null,null,"Ref"]
[null,null,null,"SWM08","Provide Gutter Spread Calculations Summary Sheet. Click on link for reference. ",null,null,null,null,"Ref"]
[null,null,null,"SWM10","A map showing drainage areas for all hydrographs.  Preferably county GIS for basins less than 100 acres.",null,null,null,null,"800-20.2"]
[null,null,null,"SWM12","Calculations determining the capacity of existing pipe to carry the proposed discharges.",null,null,null,null,"800-20.4"]
[null,null,null,"SWM13","Calculations showing discharge of concentrated flows into the streets do not exceed the flow rates in table 9-G.",null,null,null,null,"810-20.3"]
[null,null,null,"SWM14","Calculations showing outlet pipe for detention ponds will accommodate 125% of Q100 routed, if no earthen embankment emergency spillway is proposed.",null,null,null,null,"800-60.2"]
[null,null,null,"SWM15","Show time of concentration calculations for all hydrographs.",null,null,null,null,"800-20.4.f"]
[null,null,null,"SWM16","Curve Number calculations for both pre-developed and post-developed conditions for all hydrographs. Follow the procedures set forth in the Gwinnett Storm water Systems and Facilities Standards and Specifications.",null,null,null,null,"800-10.4"]
[null,null,null,"SWM17","Provide Energy dissipater calculations/designs for outlet headwalls of pipes and detention ponds.  "]
[null,null,null,"SWM19","Analyze downstream watercourses and receiving conveyances to determine 25-yr. flow channel velocities.  If the non-erosive velocity of the stream is exceeded, detention may be required.   Provide calculations with cross-section, depth of flow and velocity in channel.",null,null,null,null,"800-20.3"]
[null,null,null,"SWM20","Analyze existing pipe systems and culverts for compliance with current development regulation design criteria.  Culverts should pass Q100.  If existing pipes are not adequate for increased 100-year flow, detention may be required.",null,null,null,null,"800-20.3"]
[null,null,null,"SWM21","Hydrograph comparisons for the 1, 2, 5, 10, and 25, 50 and 100-year storms for both the downstream property line study point and the point where the drainage basin equals 10 times the project area.  "]
[null,null,null,"SWM22","A detailed written description of the first 500 feet off site; at least one photograph looking downstream with some object included in the photograph for scale shall be included. "]
[null,null,null,"SWM23","Detain the runoff from the 1-year storm for 24 hours.  Use the SCS runoff equation to size the volume required.  "]
[null,null,null,"SWM24","Provide a cross-section of detention pond embankment including outlet pipe, emergency spillway, embankment slopes, minimum embankment top width, outlet control structures, headwalls, and riprap.  Verify that minimum 1’-6” freeboard above maximum water surface elevation is provided for earthen dams.  "]
[null,null,null,"SWM25","Orifices less than 3” in diameter must be protected from clogging such as Detail 629.  A trash rack (maximum mesh opening of d/2) with a surface area of at least 10 square feet shall protect all orifices 15\" or less in diameter.  Provide detail.  "]
[null,null,null,"SWM26","For the site, use pre-developed CN less than or equal to 55 unless approved by this office.  "]
[null,null,null,"SWM27","Post-developed flows at every location where run-off will leave the development must be less than or equal to pre-developed flows, unless meeting the conditions.",null,null,null,null,"800-40.5"]
[null,null,null,"SWM28","24-hour detention of the 1-year storm is required if water quality protection is required, unless meeting conditions of. Refer to _____ year storm in Basin _____.",null,null,null,null,"800-40.5"]
[null,null,null,"SWM29","Where water quality is treated in a regional storm water facility approved between April 27, 1999 , and January 1,2001, all lots within the treated area shall either conform to the original permit requirements and water quality regulations at the time of approval or conform to the current water quality regulations. A volume verification confirming facility maintenance in accordance with the original design shall be certified by an authorized registered professional an submitted to the Department for review and approval.",null,null,null,null,"800-90.5"]
[null,null,null,"SWM30","Where storm water detention is treated in a regional facility approved before April 27, 1999 , all lots within the treated area shall conform to current water quality  and channel protection regulations. A volume verification confirming facility maintenance in accordance with the original design shall be certified by an authorized registered professional an submitted to the Department for review and approval.",null,null,null,null,"800-90.5"]
[null,null,null,"SWM31","Since detention for project is claimed in an existing facility, provide documentation that 1) existing facility was certified in last 18 months or 2) documentation that facility meets the development requirements when the facility was approved, or 3) that maintenance/ construction will be preformed to bring facility into compliance.",null,null,null,null,"800-90.5"]
[null,null,null,"EDP00","Extended Detention Pond",null,null,null,null,"Reference"]
[null,null,null,"EDP01","All facilities with a drainage area larger than 20-acres should be designed as a wet facility unless the engineer can show that the pond will not remain wet.  "]
[null,null,null,"EDP02","Use the “CP & WQ Design Tool” found on www.gwinnettstormwater.com >Documents >Development Review Documents to determine volumes and orifice sizes.  "]
[null,null,null,"EDP03","Inlet and outlets should be at opposite ends of the pond to maximize flow length.  Baffles or islands may be installed to increase the flow path length and to minimize short-circuiting. "]
[null,null,null,"EDP04","Provide calculations showing emergency spillway is designed to pass the 100-year storm event and that freeboard for earthen dams is at least 1.5 feet above 100-year ponding elevation and 1 feet for non-earthen, walled dams.",null,null,null,null,"810-30.3"]
[null,null,null,"EDP05","Provide a 15-foot wide maintenance access drive to the pond outlet structure.  Show grading on plans.",null,null,null,null,"800-70.10"]
[null,null,null,"EDP06","Show calculations for Water Quality Volume (WQv).  "]
[null,null,null,"EDP07","Size the outlet orifice for a 24-hour drawdown time.",null,null,null,null,2.8]
[null,null,null,"EDP08","Outlet orifices shall be protected from clogging."]
[null,null,null,"EDP09","xxx"]
[null,null,null,"EDP10","xxx"]
[null,null,null,"EDP11","xxx"]
[null,null,null,"EDP12","xxx"]
[null,null,null,"EDP13","xxx"]
[null,null,null,"WQP02","Minimum reduction in TSS shall be 80% for 1.2\" of first flush and 100% for 1.0\" of first flush.",null,null,null,null,"800-30.1"]
[null,null,null,"FSR01","When floodplain encountered is not FEMA related (i.e. is not shown as floodplain on the FIRM maps but is a drainage area greater than 100 acres), and NO encroachment in the floodplain is proposed, flood study shall contain a\nHEC-RAS study information summarized similar to the attached reference.                                                                                              \nShow Floodway limits.  If no floodway has been determined using the Regulatory Flood, calculate floodway limits and show on plans. \n",null,null,null,null,"Ref"]
[null,null,null,"FSR02","When Floodplain encountered is not FEMA related (i.e. is not shown as floodplain on the FIRM maps but is a drainage area greater than 100 acres), but encroachment IS proposed, Flood Study shall contain the following:      \nHEC-RAS study information summarized similar to the attached reference.                                                                                            This information from FIS, Flood Insurance Study\n",null,null,null,null,"Ref"]
[null,null,null,"FSR03","Preliminary Plat, Grading Plan, or Site Plan clearly defining floodplain encroachments and showing flood study cross sections at proposed encroachments.  "]
[null,null,null,"FSR04","The cross sections chosen for doing the flood study must be changed in HEC-RAS to reflect the proposed floodplain encroachment.  Provide plots of the pre and post encroachment cross sections.  "]
[null,null,null,"FSR05","If changes to the regulatory flood elevation are proposed, submit profiles of the channel showing existing and proposed base flood elevations.  "]
[null,null,null,"FSR06","Proposed floodplain storage (end area) calculations based on maximum 100’ cross section spacing (or other approved methods) (include cross sections in report) showing that flood storage capacity will not be reduced by the proposed grading."]
[null,null,null,"FSR07","Description of the extent to which any watercourse or floodplain will be altered or relocated as a result of the proposed development.  "]
[null,null,null,"FSR08","100-year base and regulatory floodplain elevation increases must be contained on site unless contained in a drainage easement obtained by the developer.  Flood study shows increases offsite at cross section. "]
[null,null,null,"FSR09","Provide documentation supporting your choice of Manning ‘n’ values for channel and overbank.  "]
[null,null,null,"FSR10","Show Floodway limits.  If no floodway has been determined using the Regulatory Flood, calculate floodway limits and show on plans. "]
[null,null,null,"FSR11","When floodplain encountered is FEMA related (i.e. is shown as floodplain on the FIRM maps), and NO encroachment in the floodplain is proposed, flood study shall contain the following:                                                                                                        HEC-RAS study information summarized similar to the attached reference.    \n   \n\n",null,null,null,null,"Ref"]
[null,null,null,"FSR12","If zone A on the FIRM, make application to FEMA for a LOMR.  Documentation that a complete submittal has been received by FEMA is required prior to receiving a permit from Gwinnett County.  "]
[null,null,null,"FSR13","Show Floodway limits.  If no floodway has been determined using the Regulatory Flood, calculate floodway limits and show on plans. "]
[null,null,null,"FSR14","When Floodplain encountered is FEMA related (i.e. is  shown as floodplain on the FIRM maps), and encroachment in the floodplain IS proposed, Flood Study shall contain the following:                                                                                              HEC-RAS study information summarized similar to the attached reference.\n"]
[null,null,null,"FSR15","Preliminary Plat, Grading Plan, or Site Plan clearly defining floodplain encroachments and showing flood study cross sections at proposed encroachments.  "]
[null,null,null,"FSR16","The cross sections chosen for doing the flood study must be changed in HEC-RAS to reflect the proposed floodplain encroachment.  Provide plots of the pre and post encroachment cross sections.  "]
[null,null,null,"FSR17","If changes to the regulatory flood elevation are proposed, submit profiles of the channel showing existing and proposed base flood elevations.  "]
[null,null,null,"FSR18","Proposed floodplain storage (end area) calculations based on maximum 100’ cross section spacing (or other approved methods) (include cross sections in report) showing that flood storage capacity will not be reduced by the proposed grading.  "]
[null,null,null,"FSR19","Description of the extent to which any watercourse or floodplain will be altered or relocated as a result of the proposed development.  "]
[null,null,null,"FSR20","100-year base and regulatory floodplain elevation increases must be contained on site unless contained in a drainage easement obtained by the developer.  Flood study shows increases offsite at cross section."]
[null,null,null,"FSR21","Show Floodway limits.  If no floodway has been determined using the Regulatory Flood, calculate floodway limits and show on plans. "]
[null,null,null,"FSR22","Make application to FEMA for a CLOMR.  Documentation that a complete submittal has been received by FEMA is required prior to receiving a permit from Gwinnett County. "]
[null,null,null,"FSR23","The applicant shall certify and provide documentation that all other applicable environmental permits have been acquired for the site.  Use Environmental Permit Affidavit form.",null,null,null,null,"700-10.12.B"]
[null,null,null,"FSR24","Add note to plans, “The boundaries or limits of the floodplain are shown within 0.5 feet vertical accuracy.  "]
[null,null,null,"FSR25","Provide “no-rise” certification.",null,null,null,null,"700-20.2"]
[null,null,null,"FSR26","Floodway being revised, provide CLOMR/CLOMA.",null,null,null,null,"700-20.2.A.3"]
[null,null,null,"FSR27","xxx"]
[null,null,null,"FSR28","xxx"]
[null,null,null,"FSR29","xxx"]
[null,null,null,"FSR30","xxx"]
[null,null,null,"FSR31","xxx"]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[null,null,"EP"]
[null,null,"CY"]
[null,null,"AW"]
[null,null,"GK"]
[null,null,"BW"]
[]
["X"]
[]
["MET"]
["NOT MET"]
["N/A"]

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[]
[null,"CDP Stormwater Plan Review Checklist",null,null,null,null,"Case Number",null,{"$f":"PROJECT!H11","v":0}]
[]
["REQD","DATE","REVIEWER","COMMENT","SWS PLAN REVIEW CHECKLIST COMMENT"]
["X",null,null,"PS00","Plan Submittal Process ",null,null,null,null,"Reference"]
["X",null,null,"PS01","Initial submittals and re-submittal shall be made digitally by using the following link:                                                                     https://eddspermits.gwinnettcounty.com/citizenaccess/  Submit annotated checklist with re-submittal and allow up to 10 business days for review.",null,null,null,null,"Submittal"]
[null,null,null,"PS02","Walk Through "]
[null,null,null,"PS03","Drop-Off, include a copy of these comments and one set of plans, do not drop off money. Bring to Suite 150- 1st floor One Justice any day of the week.  Allow up to 5 business days for re-review."]
["X",null,null,"PS02","An appointment may be scheduled with a plan reviewer. Call 678.518.6174 to schedule an appointment."]
["X",null,null,"CSW00","Commercial Stormwater One-Stop",null,null,null,null,"Reference"]
["X",null,null,"CSW01","Stormwater Management Report: Return 1 hard and 1 digital set of the report for approval."]
["X",null,null,"CSW02","Civil Site Plans: Return 3 hard and 1 digital set of plans for approval. (FULL SETS)"]
["X",null,null,"CSW03","All hard copies and digital sets must be signed and dated."]
["X",null,null,"SGP00","Site/Grading Plan",null,null,null,null,"Reference"]
["NOT MET",null,null,"SGP01","Site design shall comply with current Gwinnett County Regulations and Ordinances as posted on the Planning & Development website."]
["NOT MET",null,null,"SGP02","Show name of development and specify unit or phase, if any."]
["NOT MET",null,null,"SGP03","Show location map, scale, and North arrow; Specify district, land lot, parcel number, and property address in title block."]
["NOT MET",null,null,"SGP04","Show name, address, phone number, and email address for Developer & Designer on the Site, Grading & ESC sheets."]
["NOT MET",null,null,"SGP05","Show hand written signature & date across engineers/surveyors seal on all sheets. Final Sets."]
["NOT MET",null,null,"SGP06","Show and label property lines, adjacent owners and parcel numbers, road names, pavement widths and R/W."]
["NOT MET",null,null,"SGP07","Provide a 4\" x 4\" blank area in the lower right of every drawing sheet for Gwinnett County to affix the permit stamp.  Include Gwinnett County Project Number."]
[null,null,null,"SGP01","Number all pipes and structures on plan.",null,null,null,null,"320-30.5"]
[null,null,null,"SGP02","Show Grading of and number all open channels on plan. ",null,null,null,null,"320-30.5"]
[null,null,null,"SGP03","Show topography at a 2’ contour interval or less.  ",null,null,null,null,"320-30.5"]
[null,null,null,"SGP04","Show drainage easement on pipes consistent with table.",null,null,null,null,1000.1]
[null,null,null,"SGP05","Show regulatory and 100-year floodplain contour, elevation and floodway limits and indicate information source.",null,null,null,null,"700-30.7"]
[null,null,null,"SGP06","Indicate minimum floor elevation of building on plans. ",null,null,null,null,"700-30.7"]
[null,null,null,"SGP09","Storm sewer pipe that do not carry live streams must extend at least 50 feet past the front building setback line. ",null,null,null,null,"3.3.2.2"]
[null,null,null,"SGP10","Standard landscaping and landscaping requirements that are part of zoning conditions are not permitted within designated drainage or BMP easements.  Provide Landscape Plan.",null,null,null,null,"600-20.1"]
[null,null,null,"SGP11","Provide a drainage easement located a minimum of 10-feet outside the 100-year ponding limits of the detention pond.   ",null,null,null,null,"DELETE ","This is a carry over from the time ponds were on private property"]
[null,null,null,"SGP12","For commercial projects, provide a cleared access easement 20’ wide to the detention pond from a public street.",null,null,null,null,"800-70.9"]
[null,null,null,"SGP13","Within the access easement, a 15-foot wide road shall be graded at a maximum 20% grade to provide access to the facility.  Show grading on plans.  The road shall be grassed or paved.  The road shall extend to the bottom of the pond when the pond is greater than 10 feet deep or 50 feet wide. ",null,null,null,null,"800-70.10"]
[null,null,null,"SGP14","Discharge pipe must be no closer to the project site's property line than the greater of the distance necessary to construct any velocity protection or a flow distance equal to six (6) pipe diameters.",null,null,null,null," 810-20.1"]
[null,null,null,"SGP15","Minimum top width of detention pond, earthen dam to be 8’-0”.    ",null,null,null,null,"  800-80.4"]
[null,null,null,"SGP16","Show grading associated with roadway deceleration lane. "]
[null,null,null,"SGP17","Provide a flume and riprap at end of the widened collector road or deceleration lane section. Provide flume detail on detail sheet.  "]
[null,null,null,"SGP18","Provide Wall Pond plan and section Detail Design incorporating design elements shown on UDO Sheet 618.",null,null,null,null,"Form"]
[null,null,null,"SGP19","Provide Dry Detention Pond plan and section Detail Design incorporating design elements shown on UDO Sheet 615. For ponds more than 5'.",null,null,null,null,"Form"]
[null,null,null,"SGP20","Provide Dry Detention Pond plan and section Detail Design incorporating design elements shown on UDO Sheet 612. For ponds less than 5'.",null,null,null,null,"Form"]
[null,null,null,"SGP21","Provide Wet Detention Pond plan and section Detail Design incorporating design elements shown on UDO Sheet 617. For ponds more than 5'.",null,null,null,null,"Form"]
[null,null,null,"SGP22","Provide Wet Detention Pond plan and section Detail Design incorporating design elements shown on UDO Sheet 614. For ponds less than 5'.",null,null,null,null,"Form"]
[null,null,null,"SGP23","Provide Underground Detention Pond plan and section Detail Design incorporating design elements shown on UDO Sheet 631. ",null,null,null,null,"Form"]
[null,null,null,"SGP24","Provide a Standard Pipe Bedding Detail (SSFISS 3-48)",null,null,null,null,"Form"]
[null,null,null,"SGP25","Forebay equaling 10% of the water quality volume must be provided for each inlet to the pond. Provide calculations within report and show grading details on plans. "]
[null,null,null,"SGP26","Provide Forebay plan and section of Detail Design incorporating design elements shown on UDO Sheet 625."]
["NOT MET",null,null,"SGP08","Show directional storm water flow arrows on individual residential lots as indicated by the preliminary grading plan. "]
["NOT MET",null,null,"SGP09","Label all drainage structures on plan (i.e. SWCB, DWCB, HW, JB, DI, etc.) "]
["NOT MET",null,null,"SGP10","Provide benchmark with elevation within subdivision."]
["NOT MET",null,null,"SGP11","Show the following detention pond information on the final plat. \nA. Regulatory flood ponding elevations and contour line        \nB. Normal pool elevation (wet pond only)       \nC. Location of outlet control structure       \nD. Existing 100-year ponding elevation and contour line       \n"]
["NOT MET",null,null,"SGP12","Provide a drainage easement located a minimum of 10-feet outside the 100-year ponding limits of the detention pond/water quality BMP."]
["NOT MET",null,null,"SGP13","For residential projects, provide a cleared access easement 30’ wide to the detention pond/water quality BMP. "]
["NOT MET",null,null,"SGP14","Show drainage easements on pipes and channels       necessary to convey storm water drainage across private properties and all storm water conveyances in residential developments outside public property."]
["NOT MET",null,null,"SGP15","Show a minimum of 30 feet easement for a combined sanitary sewer (SSE) and drainage easement (DE)."]
["NOT MET",null,null,"SGP16","Provide complete pipe chart indicating the following:      \nA. Upstream Structure Type (CB, SWCB, etc.)      \nB. Pipe numbers/Pipe Structures      \nC. Pipe size      \nD. Pipe length      \nE. Pipe slope      \nF. Contributing drainage area      \nG. Design discharge (Q25 for piped drainage;  Q100 for culverts)      \nH. Design storm frequency (25 year for piped drainage; 100 year for culverts)      \nI. Runoff coefficient (per future land use plan and assuming no detention)      \nJ. Pipe material/coating      \nK. Velocity (V25 may not exceed non-erosive velocity at outlet headwall, unless energy dissipation is provided. \n"]
["NOT MET",null,null,"SGP17","Provide complete channel chart indicating the following:      \nA. Open channel numbers     \nB. Contributing drainage area     \nC. Runoff coefficient (per future land use plan and assuming no detention)     \nD. Conveyance size     \nE. Lining material (sod, erosion control blankets, riprap, or grouted rip rap)\nF. Channel length     \nG. Channel slope (for min value and max values of 10%)     \nH. Velocity (V25 may not exceed non-erosive velocity  (4 fps for sod)\nI. Design storm frequency (25 year)     \nJ. Design discharge (25 year)     \nK. Normal flow depth (25 year)     \n"]
["NOT MET",null,null,"SGP18","Indicate that Residential Drainage Plan (RDP) required on the following lots __________.                                                                                             Note that an RDP is required on a residential lot with a SWM BMP located on the lot.   "]
["NOT MET",null,null,"SGP19","Indicate that Residential Drainage Study (RDS) required on the following lots_____________.  "]
["NOT MET",null,null,"SGP20","Indicate minimum finished floor elevations on ALL lots."]
["NOT MET",null,null,"SGP21","Show 100-year ponding limit above pipe/structure #__________ or in pipe chart."]
["NOT MET",null,null,"SGP22","Delineate the 50-foot buffer and 75-foot impervious setback adjacent to streams and the specified width of buffers in areas required by the Metropolitan River Protection Act.  "]
["NOT MET",null,null,"SGP23","Select appropriate Floodplain Note(s). Either select note a or b and select notes c and d as applicable.\na. There is no floodplain on this property from a water course with a drainage area exceeding 100 acres or floodplain per FIRM Panel ______ dated _______.\nb. Floodplain on this property from all water courses with a drainage area exceeding 100 acres is shown.\nc. Floodplain shown is from FIRM panel _______ dated ________.\nd. Floodplain shown is from Floodplain study titled ____________ by _______________ dated _______.  Study was done as a part of project number XXX xxxx-xxxxx. \n"]
["NOT MET",null,null,"SGP24","Select appropriate wetlands note(s).  Select either a or b and if wetlands are being disturbed on the site select note c\na. There are no wetlands being disturbed on this site.\nb. All wetlands to be disturbed are delineated on this site.\nc. The wetlands disturbance is in accordance with permit ___________.  \n"]
["NOT MET",null,null,"SGP25","Select the appropriate storm water management note.\na. Storm Water Management for this final plat is provided in this unit and is addressed in project named ___________ with case number SDP xxxx-xxxxx.\nb. Maintenance Agreement, bond, and as-built of storm water management facility for this unit is provide in unit named _________ with case number XXX xxxx-xxxxx.  \n"]
["NOT MET",null,null,"SGP26","Select appropriate state waters note(s).  Select either a or b and if a state waters buffer is being disturbed on the site select note c.\na. There are no stream buffers on this site.\nb. A 50-foot undisturbed buffer and 75-foot impervious setback shall be maintained adjacent to all streams.\nc. Stream buffer disturbance shown is in accordance with stream buffer variance number ________.  \n"]
["NOT MET",null,null,"SGP27","Select appropriate easement note.\na. Residential - Gwinnett County assumes no responsibility for overflow or erosion of natural or artificial drains beyond the extent of the street right-of-way, or for the extension of culverts beyond the point shown on the approved and recorded subdivision plat.\nb. Commercial - Gwinnett County assumes no responsibility for overflow or erosion of natural or artificial drains beyond the extent of the street right-of-way, or for the extension of culverts beyond the point shown on the approved and recorded plan.  Gwinnett County does not assume the responsibility for the maintenance of pipes in drainage easements beyond the county right-of-way.\n"]
["NOT MET",null,null,"SGP28","An approved Residential Drainage Plan (RDP) is required prior to issuance of a building permit on those lots labeled \"RDP\".  An approved Hold and Release Affidavit is required on those lots labeled “RDP” or Residential Drainage Study  (RDS). "]
["NOT MET",null,null,"SGP29","It is the responsibility of the property owners of the storm water management facility to keep the access drive free of obstructions and to maintain the facility free of obstructions, silt and debris, and operational pursuant to County requirements.  "]
["NOT MET",null,null,"SGP30","Show BMP easements around water quality BMP’s."]
["NOT MET",null,null,"SGP31","For residential subdivisions, Stream Buffer Easements shall be shown on the final plat for areas that are claimed in the TSS model as Undisturbed Stream Buffers.  "]
["NOT MET",null,null,"SGP32","Upland Area Easements in non-residential subdivisions that are claimed as undisturbed upland areas for the site shall be recorded in an easement acceptable to the county.  These areas shall be left in a natural, undisturbed condition except for walking trails.   "]
["NOT MET",null,null,"SGP33","For projects in Big Haynes Creek watershed inside the 7 mile radius to Black Shoals Reservoir, on perennial streams shown on the USGS quad maps, show a minimum 100 foot buffer and 150 foot no-impervious surface setback.  "]
["NOT MET",null,null,"SGP34","Certification required for dams regulated by the state (25 feet or more in height or proposed to have an impounding capacity of 100 acre-feet or more at maximum water storage elevation), or dams 9 feet or more in height, but less than 25 feet in height, in combination with an impounding capacity proposed to be 20 acre-feet or more at maximum water storage elevation, but less than 100 acre-feet.  Submit dam as-built certification from a registered professional engineer stating that the dam is constructed in accordance with the provisions of the development regulations and the authorized construction plans."]
["NOT MET",null,null,"SGP35","If using an adjacent NRCS watershed structure to provide detention, submit as-built cross-sections and end-area calculations (2 copies) showing the appropriate amount of material has been removed between the 100-year ponding elevation and the normal pool elevation of the lake."]
["NOT MET",null,null,"SGP36","Show dam breach zone on plat.  Provide copy of dam breach easement obtained from offsite property owners to Storm Water Management prior to recording final plat."]
["NOT MET",null,null,"SGP37","Provide BMP Maintenance Agreement.  See Maintenance Agreement Checklist."]
["NOT MET",null,null,"SGP38","Provide BMP Maintenance Bond."]
["NOT MET",null,null,"SGP39","Provide As-Built survey, hydro study and BMP survey/calculations.     "]
["NOT MET",null,null,"SGP40","When development uses an existing facility without an existing storm water maintenance bond, provide documentation that facility is functioning as required. "]
["NOT MET",null,null,"SGP41","Prior to issuing final plat initial BMP inspection must be completed and deficiencies corrected."]
["NOT MET",null,null,"SGP42","Provide the location of all BMP and any easements associated with the BMP."]
["NOT MET",null,null,"SGP43","Provide the easements for all conservation areas.(label as conservation area)"]
["NOT MET",null,null,"SGP44","Provide stationing, top of wall and bottom of wall elevations labels for all retaining walls, include these labels at each break/change in elevation (bottom of wall elevation is defined as the elevation at the top footing)."]
[null,null,null,"SGP32","xxx"]
[null,null,null,"SGP33","xxx"]
[null,null,null,"SGP34","xxx"]
[null,null,null,"SGP35","xxx"]
[null,null,null,"SGP36","xxx"]
[null,null,null,"PCP01","Provide pipe profiles.  Show existing and proposed ground surface profiles, pipe lengths, slopes, inverts, and 25-year hydraulic grade lines. ",null,null,null,null," 3.3.1.6"]
[null,null,null,"PCP02","Provide channel profiles.  Show existing and proposed ground surface profiles, channel lengths, 25-year normal flow depth and slopes.  Minimum freeboard to be 20% of the flow depth. ",null,null,null,null,"5.2.1"]
[null,null,null,"PCP03","25-year hydraulic grade line must be at least 1 foot below the gutter line or top of grate. ",null,null,null,null,"  3.3.1.1"]
[null,null,null,"PCP04","Channel velocities for the fully developed 25-year flow shall not exceed the non-erosive velocity as shown in Table 5.2 of the Gwinnett County Storm water System and Facilities Installation Standards and Specifications Refer to open channel #_________. ",null,null,null,null,"5.2.1"]
[null,null,null,"PCP05","Minimum slope for storm drain pipe is 0.50% ",null,null,null,null,"  3.9.2.2 "]
[null,null,null,"PCP06","Minimum Velocity (V25) for storm pipe is 2.5fps ",null,null,null,null,"3.9.3.3 "]
[null,null,null,"PCP07","Velocity in corrugated metal pipe system exceed 5 fps maximum.  ",null,null,null,null,"Table 3-43"]
[null,null,null,"PCP08","Slope of CMP or HDPE pipe(s) #__________exceed(s) 14% maximum.  Provide anchors per manufacture’s recommendations.",null,null,null,null,"3.4.1"]
[null,null,null,"PCP09","Slope of RCP pipe(s) #__________exceed(s) 10% maximum.  Provide anchors per manufacture’s recommendations.",null,null,null,null,"3.4.1 "]
[null,null,null,"PCP10","Show minimum ground cover of 1’-0” for pipe(s) #_________.",null,null,null,null,"3.4.1.4"]
[null,null,null,"PCP11","Anchor collars may be required on CMP pipes exceeding 10% slope.  Specifically pipe(s) #__________. "]
[null,null,null,"PCP12","Show 100-year ponding limit and elevation above inlet #_________.  ",null,null,null,null,4.3]
[null,null,null,"PCP13","Show 100-year hydraulic grade line in all culverts.  Specifically pipe(s) #__________. Use USGS regression equations where applicable to check the magnitude of peak flows when other hydrologic methods recommended in the manual are used.  ",null,null,null,null,4.3]
[null,null,null,"PCP14","Maximum vertical drop in Storm Drain structure shall not exceed 10’.  ",null,null,null,null,4.3]
[null,null,null,"PCP15","Maximum spacing of structures that can be used for access shall be 300’.  Specifically, pipe(s) #__________.",null,null,null,null,"3.2.1"]
[null,null,null,"PCP18","Development plans must be sealed by Professional Engineer or Landscape Architect. ",null,null,null,null,"340-30.2"]
[null,null,null,"PCP19","xxx"]
[null,null,null,"PCP20","xxx"]
[null,null,null,"PCP21","xxx"]
[null,null,null,"PCP22","xxx"]
[null,null,null,"PCP23","xxx"]
[null,null,null,"SWA00","Storm water Approval",null,null,null,null,"Reference"]
[null,null,null,"SWA01","AFTER ALL CORRECTIONS, PROVIDE THE FOLLOWING (TO BE RECEIVED PRIOR TO DEVELOPMENT PERMIT SIGN-OFF)"]
[null,null,null,"SWA02","Pay TV inspection fees (based on $45.00 plus $0.15LF for all storm water pipe 15\" or larger).    $Insert Fee Amount"]
[null,null,null,"SWA03","xxx"]
[null,null,null,"SWA04","xxx"]
[null,null,null,"SWA04","xxx"]
[null,null,null,"SWA04","xxx"]
[null,null,null,"SWA04","xxx"]
[null,null,null,"ESC02","Erosion control maps, drawings, and supportive computations shall bear the signature, date of signature, and seal of a registered or certified professional in engineering, architecture, landscape architecture, land surveying, or erosion and sediment control.",null,null,null,null,"400-50.2B"]
[null,null,null,"ESC03","Provide graphic scale and north point or arrow indicating magnetic north.   ",null,null,null,null,"400-50.C"]
[null,null,null,"ESC04","Provide boundary line survey information.  ",null,null,null,null,"400-50.C"]
[null,null,null,"ESC05","Indicate on the plans adjacent areas and features such as streams, lakes, residential areas, etc., which might be affected by project work.",null,null,null,null,"400-50.3C"]
[null,null,null,"ESC06","Show all proposed structures or additions to existing structures.  ",null,null,null,null,"400-50.3C"]
[null,null,null,"ESC07","For projects in Big Haynes Creek watershed inside the 7 mile radius to Black Shoals Reservoir, on perennial streams shown on the USGS quad maps, show a minimum 100 foot buffer and 150 foot no-impervious surface setback.  See the zoning resolution for exempt activities.  ",null,null,null,null," 220-20"]
[null,null,null,"ESC08","Locate the erosion and sediment control measures on the plan using the uniform coding symbols from chapter 6 of the Manual for Erosion and Sediment Control in Georgia. "]
[null,null,null,"ESC09","Discharge of water from sediment basins and impoundments must utilize outlet structures that withdraw water from the surface. Add detail Sk."]
[null,null,null,"ESC10","After consulting the National Wetlands Inventory Map, it appears that wetlands exist on the project property.  These wetland areas must be indicated on the site plan.  National Wetland Inventory Maps are on file with the Gwinnett County Department of Public Utilities, and are available at 75 Langley Drive for the design consultant’s perusal.  NWI Maps are also available on the internet at http://www.fws.gov/wetlands/Data/Mapper.html  ",null,null,null,null,"Mapper"]
[null,null,null,"ESC12","Gwinnett County will not issue a land disturbance permit until we receive documentation from the Corps of Engineers that an Individual Permit or a Letter of Permission authorizes the proposed encroachment in wetland areas.  If the encroachment is authorized under a Nationwide Permit, we must receive documentation from the applicant’s engineer about which Nationwide Permit is applicable and why the encroachment meets the conditions of that Nationwide permit.  We also must receive a copy of the approved PCN letter from the Corps of Engineers, if applicable. The Corps of Engineers can be contacted at the following address:       \n\nPhilip Shannon\nChief of Permits Section\nUS Army Corps of Engineers, Savannah District Regulatory Division – Piedmont Branch\n1590 Adamson Parkway, Suite 200\nMorrow, Georgia 30260-1777\n678-422-2729\nEmail:  Philip.A.Shannin2@usace.army.mil\n"]
[null,null,null,"ESC14","xxx"]
[null,null,null,"ESC15","xxx"]
[null,null,null,"ESC16","xxx"]
[null,null,null,"ESC17","xxx"]
[null,null,null,"ESC18","xxx"]
[null,null,null,"CSN30","xxx"]
[null,null,null,"CSN31","xxx"]
[null,null,null,"CSN32","xxx"]
[null,null,null,"CSN33","xxx"]
[null,null,null,"SWM01","Professional Engineer seal, signature and date.",null,null,null,null,"800-20.1"]
[null,null,null,"SWM02","Narrative explaining the purpose of the report."]
[null,null,null,"SWM03","Provide Flow Summary Sheet. Click on link for reference. ",null,null,null,null,"Ref"]
[null,null,null,"SWM04","Provide Energy Dissipation Sheet. Click on link for reference. ",null,null,null,null,"Ref"]
[null,null,null,"SWM05","Provide Downstream receiving conveyance velocity summary sheet. Click on link for reference. ",null,null,null,null,"Ref"]
[null,null,null,"SWM06","Provide Time of Concentration Sheet. Click on link for reference. ",null,null,null,null,"Ref"]
[null,null,null,"SWM07","Provide Curve Number Summery Sheet. Click on link for reference. ",null,null,null,null,"Ref"]
[null,null,null,"SWM08","Provide Gutter Spread Calculations Summary Sheet. Click on link for reference. ",null,null,null,null,"Ref"]
[null,null,null,"SWM10","A map showing drainage areas for all hydrographs.  Preferably county GIS for basins less than 100 acres.",null,null,null,null,"800-20.2"]
[null,null,null,"SWM12","Calculations determining the capacity of existing pipe to carry the proposed discharges.",null,null,null,null,"800-20.4"]
[null,null,null,"SWM13","Calculations showing discharge of concentrated flows into the streets do not exceed the flow rates in table 9-G.",null,null,null,null,"810-20.3"]
[null,null,null,"SWM14","Calculations showing outlet pipe for detention ponds will accommodate 125% of Q100 routed, if no earthen embankment emergency spillway is proposed.",null,null,null,null,"800-60.2"]
[null,null,null,"SWM15","Show time of concentration calculations for all hydrographs.",null,null,null,null,"800-20.4.f"]
[null,null,null,"SWM16","Curve Number calculations for both pre-developed and post-developed conditions for all hydrographs. Follow the procedures set forth in the Gwinnett Storm water Systems and Facilities Standards and Specifications.",null,null,null,null,"800-10.4"]
[null,null,null,"SWM17","Provide Energy dissipater calculations/designs for outlet headwalls of pipes and detention ponds.  "]
[null,null,null,"SWM19","Analyze downstream watercourses and receiving conveyances to determine 25-yr. flow channel velocities.  If the non-erosive velocity of the stream is exceeded, detention may be required.   Provide calculations with cross-section, depth of flow and velocity in channel.",null,null,null,null,"800-20.3"]
[null,null,null,"SWM20","Analyze existing pipe systems and culverts for compliance with current development regulation design criteria.  Culverts should pass Q100.  If existing pipes are not adequate for increased 100-year flow, detention may be required.",null,null,null,null,"800-20.3"]
[null,null,null,"SWM21","Hydrograph comparisons for the 1, 2, 5, 10, and 25, 50 and 100-year storms for both the downstream property line study point and the point where the drainage basin equals 10 times the project area.  "]
[null,null,null,"SWM22","A detailed written description of the first 500 feet off site; at least one photograph looking downstream with some object included in the photograph for scale shall be included. "]
[null,null,null,"SWM23","Detain the runoff from the 1-year storm for 24 hours.  Use the SCS runoff equation to size the volume required.  "]
[null,null,null,"SWM24","Provide a cross-section of detention pond embankment including outlet pipe, emergency spillway, embankment slopes, minimum embankment top width, outlet control structures, headwalls, and riprap.  Verify that minimum 1’-6” freeboard above maximum water surface elevation is provided for earthen dams.  "]
[null,null,null,"SWM25","Orifices less than 3” in diameter must be protected from clogging such as Detail 629.  A trash rack (maximum mesh opening of d/2) with a surface area of at least 10 square feet shall protect all orifices 15\" or less in diameter.  Provide detail.  "]
[null,null,null,"SWM26","For the site, use pre-developed CN less than or equal to 55 unless approved by this office.  "]
[null,null,null,"SWM27","Post-developed flows at every location where run-off will leave the development must be less than or equal to pre-developed flows, unless meeting the conditions.",null,null,null,null,"800-40.5"]
[null,null,null,"SWM28","24-hour detention of the 1-year storm is required if water quality protection is required, unless meeting conditions of. Refer to _____ year storm in Basin _____.",null,null,null,null,"800-40.5"]
[null,null,null,"SWM29","Where water quality is treated in a regional storm water facility approved between April 27, 1999 , and January 1,2001, all lots within the treated area shall either conform to the original permit requirements and water quality regulations at the time of approval or conform to the current water quality regulations. A volume verification confirming facility maintenance in accordance with the original design shall be certified by an authorized registered professional an submitted to the Department for review and approval.",null,null,null,null,"800-90.5"]
[null,null,null,"SWM30","Where storm water detention is treated in a regional facility approved before April 27, 1999 , all lots within the treated area shall conform to current water quality  and channel protection regulations. A volume verification confirming facility maintenance in accordance with the original design shall be certified by an authorized registered professional an submitted to the Department for review and approval.",null,null,null,null,"800-90.5"]
[null,null,null,"SWM31","Since detention for project is claimed in an existing facility, provide documentation that 1) existing facility was certified in last 18 months or 2) documentation that facility meets the development requirements when the facility was approved, or 3) that maintenance/ construction will be preformed to bring facility into compliance.",null,null,null,null,"800-90.5"]
[null,null,null,"EDP00","Extended Detention Pond",null,null,null,null,"Reference"]
[null,null,null,"EDP01","All facilities with a drainage area larger than 20-acres should be designed as a wet facility unless the engineer can show that the pond will not remain wet.  "]
[null,null,null,"EDP02","Use the “CP & WQ Design Tool” found on www.gwinnettstormwater.com >Documents >Development Review Documents to determine volumes and orifice sizes.  "]
[null,null,null,"EDP03","Inlet and outlets should be at opposite ends of the pond to maximize flow length.  Baffles or islands may be installed to increase the flow path length and to minimize short-circuiting. "]
[null,null,null,"EDP04","Provide calculations showing emergency spillway is designed to pass the 100-year storm event and that freeboard for earthen dams is at least 1.5 feet above 100-year ponding elevation and 1 feet for non-earthen, walled dams.",null,null,null,null,"810-30.3"]
[null,null,null,"EDP05","Provide a 15-foot wide maintenance access drive to the pond outlet structure.  Show grading on plans.",null,null,null,null,"800-70.10"]
[null,null,null,"EDP06","Show calculations for Water Quality Volume (WQv).  "]
[null,null,null,"EDP07","Size the outlet orifice for a 24-hour drawdown time.",null,null,null,null,2.8]
[null,null,null,"EDP08","Outlet orifices shall be protected from clogging."]
[null,null,null,"EDP09","xxx"]
[null,null,null,"EDP10","xxx"]
[null,null,null,"EDP11","xxx"]
[null,null,null,"EDP12","xxx"]
[null,null,null,"EDP13","xxx"]
[null,null,null,"WQP02","Minimum reduction in TSS shall be 80% for 1.2\" of first flush and 100% for 1.0\" of first flush.",null,null,null,null,"800-30.1"]
[null,null,null,"FSR01","When floodplain encountered is not FEMA related (i.e. is not shown as floodplain on the FIRM maps but is a drainage area greater than 100 acres), and NO encroachment in the floodplain is proposed, flood study shall contain a\nHEC-RAS study information summarized similar to the attached reference.                                                                                              \nShow Floodway limits.  If no floodway has been determined using the Regulatory Flood, calculate floodway limits and show on plans. \n",null,null,null,null,"Ref"]
[null,null,null,"FSR02","When Floodplain encountered is not FEMA related (i.e. is not shown as floodplain on the FIRM maps but is a drainage area greater than 100 acres), but encroachment IS proposed, Flood Study shall contain the following:      \nHEC-RAS study information summarized similar to the attached reference.                                                                                            This information from FIS, Flood Insurance Study\n",null,null,null,null,"Ref"]
[null,null,null,"FSR03","Preliminary Plat, Grading Plan, or Site Plan clearly defining floodplain encroachments and showing flood study cross sections at proposed encroachments.  "]
[null,null,null,"FSR04","The cross sections chosen for doing the flood study must be changed in HEC-RAS to reflect the proposed floodplain encroachment.  Provide plots of the pre and post encroachment cross sections.  "]
[null,null,null,"FSR05","If changes to the regulatory flood elevation are proposed, submit profiles of the channel showing existing and proposed base flood elevations.  "]
[null,null,null,"FSR06","Proposed floodplain storage (end area) calculations based on maximum 100’ cross section spacing (or other approved methods) (include cross sections in report) showing that flood storage capacity will not be reduced by the proposed grading."]
[null,null,null,"FSR07","Description of the extent to which any watercourse or floodplain will be altered or relocated as a result of the proposed development.  "]
[null,null,null,"FSR08","100-year base and regulatory floodplain elevation increases must be contained on site unless contained in a drainage easement obtained by the developer.  Flood study shows increases offsite at cross section. "]
[null,null,null,"FSR09","Provide documentation supporting your choice of Manning ‘n’ values for channel and overbank.  "]
[null,null,null,"FSR10","Show Floodway limits.  If no floodway has been determined using the Regulatory Flood, calculate floodway limits and show on plans. "]
[null,null,null,"FSR11","When floodplain encountered is FEMA related (i.e. is shown as floodplain on the FIRM maps), and NO encroachment in the floodplain is proposed, flood study shall contain the following:                                                                                                        HEC-RAS study information summarized similar to the attached reference.    \n   \n\n",null,null,null,null,"Ref"]
[null,null,null,"FSR12","If zone A on the FIRM, make application to FEMA for a LOMR.  Documentation that a complete submittal has been received by FEMA is required prior to receiving a permit from Gwinnett County.  "]
[null,null,null,"FSR13","Show Floodway limits.  If no floodway has been determined using the Regulatory Flood, calculate floodway limits and show on plans. "]
[null,null,null,"FSR14","When Floodplain encountered is FEMA related (i.e. is  shown as floodplain on the FIRM maps), and encroachment in the floodplain IS proposed, Flood Study shall contain the following:                                                                                              HEC-RAS study information summarized similar to the attached reference.\n"]
[null,null,null,"FSR15","Preliminary Plat, Grading Plan, or Site Plan clearly defining floodplain encroachments and showing flood study cross sections at proposed encroachments.  "]
[null,null,null,"FSR16","The cross sections chosen for doing the flood study must be changed in HEC-RAS to reflect the proposed floodplain encroachment.  Provide plots of the pre and post encroachment cross sections.  "]
[null,null,null,"FSR17","If changes to the regulatory flood elevation are proposed, submit profiles of the channel showing existing and proposed base flood elevations.  "]
[null,null,null,"FSR18","Proposed floodplain storage (end area) calculations based on maximum 100’ cross section spacing (or other approved methods) (include cross sections in report) showing that flood storage capacity will not be reduced by the proposed grading.  "]
[null,null,null,"FSR19","Description of the extent to which any watercourse or floodplain will be altered or relocated as a result of the proposed development.  "]
[null,null,null,"FSR20","100-year base and regulatory floodplain elevation increases must be contained on site unless contained in a drainage easement obtained by the developer.  Flood study shows increases offsite at cross section."]
[null,null,null,"FSR21","Show Floodway limits.  If no floodway has been determined using the Regulatory Flood, calculate floodway limits and show on plans. "]
[null,null,null,"FSR22","Make application to FEMA for a CLOMR.  Documentation that a complete submittal has been received by FEMA is required prior to receiving a permit from Gwinnett County. "]
[null,null,null,"FSR23","The applicant shall certify and provide documentation that all other applicable environmental permits have been acquired for the site.  Use Environmental Permit Affidavit form.",null,null,null,null,"700-10.12.B"]
[null,null,null,"FSR24","Add note to plans, “The boundaries or limits of the floodplain are shown within 0.5 feet vertical accuracy.  "]
[null,null,null,"FSR25","Provide “no-rise” certification.",null,null,null,null,"700-20.2"]
[null,null,null,"FSR26","Floodway being revised, provide CLOMR/CLOMA.",null,null,null,null,"700-20.2.A.3"]
[null,null,null,"FSR27","xxx"]
[null,null,null,"FSR28","xxx"]
[null,null,null,"FSR29","xxx"]
[null,null,null,"FSR30","xxx"]
[null,null,null,"FSR31","xxx"]
[]
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[null,null,"EP"]
[null,null,"CY"]
[null,null,"AW"]
[null,null,"GK"]
[null,null,"BW"]
[]
["X"]
[]
["MET"]
["NOT MET"]
["N/A"]

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[]
[null,"CDP Stormwater Plan Review Checklist",null,null,null,null,"Case Number",null,{"$f":"PROJECT!H11","v":0}]
[]
["REQD","DATE","REVIEWER","COMMENT","SWS PLAN REVIEW CHECKLIST COMMENT"]
["X",null,null,"PS00","Plan Submittal Process ",null,null,null,null,"Reference"]
["X",null,null,"PS01","Initial submittals and re-submittal shall be made digitally by using the following link:                                                                     https://eddspermits.gwinnettcounty.com/citizenaccess/  Submit annotated checklist with re-submittal and allow up to 10 business days for review.",null,null,null,null,"Submittal"]
[null,null,null,"PS02","Walk Through "]
[null,null,null,"PS03","Drop-Off, include a copy of these comments and one set of plans, do not drop off money. Bring to Suite 150- 1st floor One Justice any day of the week.  Allow up to 5 business days for re-review."]
["X",null,null,"PS02","An appointment may be scheduled with a plan reviewer. Call 678.518.6174 to schedule an appointment."]
["X",null,null,"CSW00","Commercial Stormwater One-Stop",null,null,null,null,"Reference"]
["X",null,null,"CSW01","Stormwater Management Report: Return 1 hard and 1 digital set of the report for approval."]
["X",null,null,"CSW02","Civil Site Plans: Return 3 hard and 1 digital set of plans for approval. (FULL SETS)"]
["X",null,null,"CSW03","All hard copies and digital sets must be signed and dated."]
["X",null,null,"SGP00","Site/Grading Plan",null,null,null,null,"Reference"]
["NOT MET",null,null,"SGP01","Site design shall comply with current Gwinnett County Regulations and Ordinances as posted on the Planning & Development website."]
["NOT MET",null,null,"SGP02","Show name of development and specify unit or phase, if any."]
["NOT MET",null,null,"SGP03","Show location map, scale, and North arrow; Specify district, land lot, parcel number, and property address in title block."]
["NOT MET",null,null,"SGP04","Show name, address, phone number, and email address for Developer & Designer on the Site, Grading & ESC sheets."]
["NOT MET",null,null,"SGP05","Show hand written signature & date across engineers/surveyors seal on all sheets. Final Sets."]
["NOT MET",null,null,"SGP06","Show and label property lines, adjacent owners and parcel numbers, road names, pavement widths and R/W."]
["NOT MET",null,null,"SGP07","Provide a 4\" x 4\" blank area in the lower right of every drawing sheet for Gwinnett County to affix the permit stamp.  Include Gwinnett County Project Number."]
["NOT MET",null,null,"SGP08","Include all approved variances on applicable pages."]
[null,null,null,"SGP01","Number all pipes and structures on plan.",null,null,null,null,"320-30.5"]
[null,null,null,"SGP02","Show Grading of and number all open channels on plan. ",null,null,null,null,"320-30.5"]
[null,null,null,"SGP03","Show topography at a 2’ contour interval or less.  ",null,null,null,null,"320-30.5"]
[null,null,null,"SGP04","Show drainage easement on pipes consistent with table.",null,null,null,null,1000.1]
[null,null,null,"SGP05","Show regulatory and 100-year floodplain contour, elevation and floodway limits and indicate information source.",null,null,null,null,"700-30.7"]
[null,null,null,"SGP06","Indicate minimum floor elevation of building on plans. ",null,null,null,null,"700-30.7"]
[null,null,null,"SGP09","Storm sewer pipe that do not carry live streams must extend at least 50 feet past the front building setback line. ",null,null,null,null,"3.3.2.2"]
[null,null,null,"SGP10","Standard landscaping and landscaping requirements that are part of zoning conditions are not permitted within designated drainage or BMP easements.  Provide Landscape Plan.",null,null,null,null,"600-20.1"]
[null,null,null,"SGP11","Provide a drainage easement located a minimum of 10-feet outside the 100-year ponding limits of the detention pond.   ",null,null,null,null,"DELETE ","This is a carry over from the time ponds were on private property"]
[null,null,null,"SGP12","For commercial projects, provide a cleared access easement 20’ wide to the detention pond from a public street.",null,null,null,null,"800-70.9"]
[null,null,null,"SGP13","Within the access easement, a 15-foot wide road shall be graded at a maximum 20% grade to provide access to the facility.  Show grading on plans.  The road shall be grassed or paved.  The road shall extend to the bottom of the pond when the pond is greater than 10 feet deep or 50 feet wide. ",null,null,null,null,"800-70.10"]
[null,null,null,"SGP14","Discharge pipe must be no closer to the project site's property line than the greater of the distance necessary to construct any velocity protection or a flow distance equal to six (6) pipe diameters.",null,null,null,null," 810-20.1"]
[null,null,null,"SGP15","Minimum top width of detention pond, earthen dam to be 8’-0”.    ",null,null,null,null,"  800-80.4"]
[null,null,null,"SGP16","Show grading associated with roadway deceleration lane. "]
[null,null,null,"SGP17","Provide a flume and riprap at end of the widened collector road or deceleration lane section. Provide flume detail on detail sheet.  "]
[null,null,null,"SGP18","Provide Wall Pond plan and section Detail Design incorporating design elements shown on UDO Sheet 618.",null,null,null,null,"Form"]
[null,null,null,"SGP19","Provide Dry Detention Pond plan and section Detail Design incorporating design elements shown on UDO Sheet 615. For ponds more than 5'.",null,null,null,null,"Form"]
[null,null,null,"SGP20","Provide Dry Detention Pond plan and section Detail Design incorporating design elements shown on UDO Sheet 612. For ponds less than 5'.",null,null,null,null,"Form"]
[null,null,null,"SGP21","Provide Wet Detention Pond plan and section Detail Design incorporating design elements shown on UDO Sheet 617. For ponds more than 5'.",null,null,null,null,"Form"]
[null,null,null,"SGP22","Provide Wet Detention Pond plan and section Detail Design incorporating design elements shown on UDO Sheet 614. For ponds less than 5'.",null,null,null,null,"Form"]
[null,null,null,"SGP23","Provide Underground Detention Pond plan and section Detail Design incorporating design elements shown on UDO Sheet 631. ",null,null,null,null,"Form"]
[null,null,null,"SGP24","Provide a Standard Pipe Bedding Detail (SSFISS 3-48)",null,null,null,null,"Form"]
[null,null,null,"SGP25","Forebay equaling 10% of the water quality volume must be provided for each inlet to the pond. Provide calculations within report and show grading details on plans. "]
[null,null,null,"SGP26","Provide Forebay plan and section of Detail Design incorporating design elements shown on UDO Sheet 625."]
["NOT MET",null,null,"SGP09","Surface runoff should be prevented from overtopping any proposed retaining walls. Runoff should be collected upstream of wall and discharged downstream utilizing an appropriate conveyance system."]
["NOT MET",null,null,"SGP10","Surface runoff generated or collected upstream of the pond's access ramp shall not be allowed to flow down or discharged onto the access ramp. "]
["NOT MET",null,null,"SGP11","Proposed grading ensures proper drainage for the development (show inter parcel proposed grading)."]
["NOT MET",null,null,"SGP12","Provide proposed grading that shows the stormwater runoff will drain away from the building."]
["NOT MET",null,null,"SGP13","Indicate Residential Drainage Plan (RDP) required on the following lots: Note that an RDP is required on a residential lot with a SWM BMP located on the lot. Lots: "]
["NOT MET",null,null,"SGP14","Indicate Residential Drainage Study (RDS) required on the following lots. Lots:"]
["NOT MET",null,null,"SGP15","Provide the site disturbance on the cover sheet & the total amount of impervious."]
["NOT MET",null,null,"SGP16","Provide stationing, top of wall and bottom of wall elevations labels for all retaining walls, include these labels at each break/change in elevation (bottom of wall elevation is defined as the elevation at the top footing)."]
[null,null,null,"SGP32","xxx"]
[null,null,null,"SGP33","xxx"]
[null,null,null,"SGP34","xxx"]
[null,null,null,"SGP35","xxx"]
[null,null,null,"SGP36","xxx"]
["X",null,null,"PCP00","Pipe & Channel Profiles",null,null,null,null,"Reference"]
[null,null,null,"PCP01","Provide pipe profiles.  Show existing and proposed ground surface profiles, pipe lengths, slopes, inverts, and 25-year hydraulic grade lines. ",null,null,null,null," 3.3.1.6"]
[null,null,null,"PCP02","Provide channel profiles.  Show existing and proposed ground surface profiles, channel lengths, 25-year normal flow depth and slopes.  Minimum freeboard to be 20% of the flow depth. ",null,null,null,null,"5.2.1"]
[null,null,null,"PCP03","25-year hydraulic grade line must be at least 1 foot below the gutter line or top of grate. ",null,null,null,null,"  3.3.1.1"]
[null,null,null,"PCP04","Channel velocities for the fully developed 25-year flow shall not exceed the non-erosive velocity as shown in Table 5.2 of the Gwinnett County Storm water System and Facilities Installation Standards and Specifications Refer to open channel #_________. ",null,null,null,null,"5.2.1"]
[null,null,null,"PCP05","Minimum slope for storm drain pipe is 0.50% ",null,null,null,null,"  3.9.2.2 "]
[null,null,null,"PCP06","Minimum Velocity (V25) for storm pipe is 2.5fps ",null,null,null,null,"3.9.3.3 "]
[null,null,null,"PCP07","Velocity in corrugated metal pipe system exceed 5 fps maximum.  ",null,null,null,null,"Table 3-43"]
[null,null,null,"PCP08","Slope of CMP or HDPE pipe(s) #__________exceed(s) 14% maximum.  Provide anchors per manufacture’s recommendations.",null,null,null,null,"3.4.1"]
[null,null,null,"PCP09","Slope of RCP pipe(s) #__________exceed(s) 10% maximum.  Provide anchors per manufacture’s recommendations.",null,null,null,null,"3.4.1 "]
[null,null,null,"PCP10","Show minimum ground cover of 1’-0” for pipe(s) #_________.",null,null,null,null,"3.4.1.4"]
[null,null,null,"PCP11","Anchor collars may be required on CMP pipes exceeding 10% slope.  Specifically pipe(s) #__________. "]
[null,null,null,"PCP12","Show 100-year ponding limit and elevation above inlet #_________.  ",null,null,null,null,4.3]
[null,null,null,"PCP13","Show 100-year hydraulic grade line in all culverts.  Specifically pipe(s) #__________. Use USGS regression equations where applicable to check the magnitude of peak flows when other hydrologic methods recommended in the manual are used.  ",null,null,null,null,4.3]
[null,null,null,"PCP14","Maximum vertical drop in Storm Drain structure shall not exceed 10’.  ",null,null,null,null,4.3]
[null,null,null,"PCP15","Maximum spacing of structures that can be used for access shall be 300’.  Specifically, pipe(s) #__________.",null,null,null,null,"3.2.1"]
["NOT MET",null,null,"PCP01","Provide complete pipe chart including the following:  \n____Upstream Structure Type (DWCB, SWCB, DI, etc.)             ____Pipe numbers/Pipe Structures \n____Pipe size (in)\n____Pipe length (lf)\n____Pipe slope (%)\n____Contributing drainage area (ac)                                            ____Design discharge (cfs) \n____Rainfall Intensity (in/hr)\n____Runoff coefficient(C)\n____Pipe material/coating \n____Velocity (fps)\n *(Pipes shall sized for the 25-yr design storm; culverts for the 100 yr design storm) "]
["NOT MET",null,null,"PCP02","Provide complete channel chart indicating the following: \n____Open channel numbers      \n____Contributing drainage area      \n____Runoff coefficient \n____Conveyance size/dimensions      \n____Channel lining material      \n____Channel length      \n____Channel slope (Maximum 10%.)      \n____Velocity (fps) \n____Design discharge (cfs)      \n____Normal flow depth    \n*(Channels shall sized for the 25-yr design storm)  "]
[null,null,null,"PCP18","Development plans must be sealed by Professional Engineer or Landscape Architect. ",null,null,null,null,"340-30.2"]
[null,null,null,"PCP19","xxx"]
[null,null,null,"PCP20","xxx"]
[null,null,null,"PCP21","xxx"]
[null,null,null,"PCP22","xxx"]
[null,null,null,"PCP23","xxx"]
[null,null,null,"SWA00","Storm water Approval",null,null,null,null,"Reference"]
[null,null,null,"SWA01","AFTER ALL CORRECTIONS, PROVIDE THE FOLLOWING (TO BE RECEIVED PRIOR TO DEVELOPMENT PERMIT SIGN-OFF)"]
[null,null,null,"SWA02","Pay TV inspection fees (based on $45.00 plus $0.15LF for all storm water pipe 15\" or larger).    $Insert Fee Amount"]
[null,null,null,"SWA03","xxx"]
[null,null,null,"SWA04","xxx"]
[null,null,null,"SWA04","xxx"]
[null,null,null,"SWA04","xxx"]
[null,null,null,"SWA04","xxx"]
["X",null,null,"ESC00","Erosion and Sediment Control",null,null,null,null,"Reference"]
["NOT MET",null,null,"ESC01","Must include Erosion, Sedimentation & Pollution Control Plans Checklist on plans. "]
["NOT MET",null,null,"ESC02"," Erosion and Sediment Control features shall be design in accordance with the latest Georgia Manual for Erosion and Sedimentation Control "]
[null,null,null,"ESC02","Erosion control maps, drawings, and supportive computations shall bear the signature, date of signature, and seal of a registered or certified professional in engineering, architecture, landscape architecture, land surveying, or erosion and sediment control.",null,null,null,null,"400-50.2B"]
[null,null,null,"ESC03","Provide graphic scale and north point or arrow indicating magnetic north.   ",null,null,null,null,"400-50.C"]
[null,null,null,"ESC04","Provide boundary line survey information.  ",null,null,null,null,"400-50.C"]
[null,null,null,"ESC05","Indicate on the plans adjacent areas and features such as streams, lakes, residential areas, etc., which might be affected by project work.",null,null,null,null,"400-50.3C"]
[null,null,null,"ESC06","Show all proposed structures or additions to existing structures.  ",null,null,null,null,"400-50.3C"]
[null,null,null,"ESC07","For projects in Big Haynes Creek watershed inside the 7 mile radius to Black Shoals Reservoir, on perennial streams shown on the USGS quad maps, show a minimum 100 foot buffer and 150 foot no-impervious surface setback.  See the zoning resolution for exempt activities.  ",null,null,null,null," 220-20"]
[null,null,null,"ESC08","Locate the erosion and sediment control measures on the plan using the uniform coding symbols from chapter 6 of the Manual for Erosion and Sediment Control in Georgia. "]
[null,null,null,"ESC09","Discharge of water from sediment basins and impoundments must utilize outlet structures that withdraw water from the surface. Add detail Sk."]
[null,null,null,"ESC10","After consulting the National Wetlands Inventory Map, it appears that wetlands exist on the project property.  These wetland areas must be indicated on the site plan.  National Wetland Inventory Maps are on file with the Gwinnett County Department of Public Utilities, and are available at 75 Langley Drive for the design consultant’s perusal.  NWI Maps are also available on the internet at http://www.fws.gov/wetlands/Data/Mapper.html  ",null,null,null,null,"Mapper"]
["NOT MET",null,null,"ESC03","Any work proposed in the stream bed will require authorization from the US Army Corps of Engineers.  "]
[null,null,null,"ESC12","Gwinnett County will not issue a land disturbance permit until we receive documentation from the Corps of Engineers that an Individual Permit or a Letter of Permission authorizes the proposed encroachment in wetland areas.  If the encroachment is authorized under a Nationwide Permit, we must receive documentation from the applicant’s engineer about which Nationwide Permit is applicable and why the encroachment meets the conditions of that Nationwide permit.  We also must receive a copy of the approved PCN letter from the Corps of Engineers, if applicable. The Corps of Engineers can be contacted at the following address:       \n\nPhilip Shannon\nChief of Permits Section\nUS Army Corps of Engineers, Savannah District Regulatory Division – Piedmont Branch\n1590 Adamson Parkway, Suite 200\nMorrow, Georgia 30260-1777\n678-422-2729\nEmail:  Philip.A.Shannin2@usace.army.mil\n"]
["NOT MET",null,null,"ESC04","Specify type \"S\" silt fence (steel posts with wire reinforcement)."]
[null,null,null,"ESC14","xxx"]
[null,null,null,"ESC15","xxx"]
[null,null,null,"ESC16","xxx"]
[null,null,null,"ESC17","xxx"]
[null,null,null,"ESC18","xxx"]
["X",null,null,"CSN00","Commercial Stormwater Notes",null,null,null,null,"Reference"]
["NOT MET",null,null,"CSN01","Provide all notes in the order shown below."]
["NOT MET",null,null,"CSN02","The engineer and developer acknowledge that all work represented in these construction documents have been designed and will be constructed to fully comply with Gwinnett County Regulations and Ordinances. Actual field conditions could dictate more stringent requirements, if deemed necessary by the County inspector."]
["NOT MET",null,null,"CSN03","Provide note: \"All SWM utilities to be inspected by Department of Water Resources.\""]
["NOT MET",null,null,"CSN04","Select appropriate Floodplain Note(s). Either select note a or b and select notes   c and d as applicable.\na. There is no floodplain on this property from a water course with a drainage area exceeding 100 acres or floodplain per FIRM Panel _________ dated _ ___________.\nb. Floodplain on this property from all water courses with a drainage area exceeding 100 acres is shown.\nc. Floodplain shown is from FIRM panel _______ dated ________.\nd. Floodplain shown is from Floodplain study titled ____________ by _______________ dated _______.  Study was done as a part of project number XXX xxxx-xxxxx.  "]
["NOT MET",null,null,"CSN05","Select appropriate wetlands note(s).  Select either a or b, if wetlands are being disturbed on the site select note c.      \na. There are no wetlands being disturbed on this site.\nb. All wetlands to be disturbed are delineated on this site.\nc. The wetlands are being disturbed in accordance with permit ___________.  "]
["NOT MET",null,null,"CSN06","Select the appropriate SWM note.\na. Storm Water Management for this project is provided on-site.\nb. Storm Water Management for this site is provided off-site in project named _________ with case number XXX xxxx-xxxxx.  "]
["NOT MET",null,null,"CSN07","Select appropriate state waters note(s).  Select either a or b and if a state waters buffer is being disturbed on the site select note c.\na. There are no stream buffers on this property.\nb. A 50-foot undisturbed buffer and a 75-foot impervious setback shall be maintained adjacent to all streams.\nc. Stream buffer variance number ____________ was obtained to work in buffer as shown.  "]
["NOT MET",null,null,"CSN08","Wetland certification: The design professional, whose seal appears hereon, certifies the following: 1) the National Wetland Inventory maps have been consulted; and, 2) the appropriate plan sheet [ ] does / [ ] does not (circle appropriate box) indicate areas of united states army corps of engineers jurisdictional wetlands as shown on the maps; and, 3) if wetlands are indicated, the land owner or developer has been advised that land disturbance of protected wetlands shall not occur unless the appropriate federal wetlands alteration (“section 404”) permit has been obtained."]
["NOT MET",null,null,"CSN09","Commercial - Gwinnett County assumes no responsibility for overflow or erosion of natural or artificial drains beyond the extent of the street right-of-way, or for the extension of culverts beyond the point shown on the approved and recorded plan.  Gwinnett County does not assume the responsibility for the maintenance of pipes in drainage easements beyond the county right-of-way.  "]
["NOT MET",null,null,"CSN10","Source of topography is ____________ and reference datum is (i.e. NGVD 1929, Mean Sea Level, etc.)  "]
["NOT MET",null,null,"CSN11","Maximum slope for cut or fill is 2H:1V except earthen dam embankments shall be 3H:1V.   "]
["NOT MET",null,null,"CSN12","Detention pond, detention outlet structures and temporary sediment pond features are to be constructed and fully operational prior to any other construction or grading.  "]
["NOT MET",null,null,"CSN13","Developer is to clean out accumulated silt in detention pond at end of construction when disturbed areas have been stabilized.  "]
["NOT MET",null,null,"CSN14","A separate building permit shall be obtained prior to construction for each site retaining wall (which either exceeds 4 feet in height or which has a backfill slope greater than 1 foot rise in 3 feet horizontal) and for each detention pond wall (dam) in accordance with Gwinnett County Construction Code section 103.1.1.  A Certificate of Completion shall be issued by Gwinnett County Building Inspections Section for all walls pertinent to the project prior to issuance of a Certificate of Occupancy for any usable structure on the site or prior to approval of the Final Subdivision Plat as applicable.  "]
["NOT MET",null,null,"CSN15","All fill slopes shall have silt fence placed at the slope’s toe."]
["NOT MET",null,null,"CSN16","Concentrated flow areas and all slopes steeper than 2.5:1 with a height of ten feet or greater shall be stabilized with the appropriate erosion control matting or blanket."]
["NOT MET",null,null,"CSN17","Total wetland acres on site are  _____________."]
["NOT MET",null,null,"CSN18","A revision to the EC plan is required whenever there is a change in design, construction, operation, or maintenance, that will have a significant effect on BMPs with a hydraulic component, or if the plan proves to be ineffective in eliminating pollutant discharge. "]
[null,null,null,"CSN30","xxx"]
[null,null,null,"CSN31","xxx"]
[null,null,null,"CSN32","xxx"]
[null,null,null,"CSN33","xxx"]
["X",null,null,"SWM00","Stormwater Management Report",null,null,null,null,"Reference"]
["NOT MET",null,null,"SWM01","Stormwater Management Report shall be prepared in accordance with the current Gwinnett County Stormwater Management Manual & the Unified Development Ordinance."]
[null,null,null,"SWM01","Professional Engineer seal, signature and date.",null,null,null,null,"800-20.1"]
[null,null,null,"SWM02","Narrative explaining the purpose of the report."]
[null,null,null,"SWM03","Provide Flow Summary Sheet. Click on link for reference. ",null,null,null,null,"Ref"]
[null,null,null,"SWM04","Provide Energy Dissipation Sheet. Click on link for reference. ",null,null,null,null,"Ref"]
[null,null,null,"SWM05","Provide Downstream receiving conveyance velocity summary sheet. Click on link for reference. ",null,null,null,null,"Ref"]
[null,null,null,"SWM06","Provide Time of Concentration Sheet. Click on link for reference. ",null,null,null,null,"Ref"]
[null,null,null,"SWM07","Provide Curve Number Summery Sheet. Click on link for reference. ",null,null,null,null,"Ref"]
[null,null,null,"SWM08","Provide Gutter Spread Calculations Summary Sheet. Click on link for reference. ",null,null,null,null,"Ref"]
[null,null,null,"SWM10","A map showing drainage areas for all hydrographs.  Preferably county GIS for basins less than 100 acres.",null,null,null,null,"800-20.2"]
[null,null,null,"SWM12","Calculations determining the capacity of existing pipe to carry the proposed discharges.",null,null,null,null,"800-20.4"]
[null,null,null,"SWM13","Calculations showing discharge of concentrated flows into the streets do not exceed the flow rates in table 9-G.",null,null,null,null,"810-20.3"]
[null,null,null,"SWM14","Calculations showing outlet pipe for detention ponds will accommodate 125% of Q100 routed, if no earthen embankment emergency spillway is proposed.",null,null,null,null,"800-60.2"]
[null,null,null,"SWM15","Show time of concentration calculations for all hydrographs.",null,null,null,null,"800-20.4.f"]
[null,null,null,"SWM16","Curve Number calculations for both pre-developed and post-developed conditions for all hydrographs. Follow the procedures set forth in the Gwinnett Storm water Systems and Facilities Standards and Specifications.",null,null,null,null,"800-10.4"]
[null,null,null,"SWM17","Provide Energy dissipater calculations/designs for outlet headwalls of pipes and detention ponds.  "]
[null,null,null,"SWM19","Analyze downstream watercourses and receiving conveyances to determine 25-yr. flow channel velocities.  If the non-erosive velocity of the stream is exceeded, detention may be required.   Provide calculations with cross-section, depth of flow and velocity in channel.",null,null,null,null,"800-20.3"]
[null,null,null,"SWM20","Analyze existing pipe systems and culverts for compliance with current development regulation design criteria.  Culverts should pass Q100.  If existing pipes are not adequate for increased 100-year flow, detention may be required.",null,null,null,null,"800-20.3"]
[null,null,null,"SWM21","Hydrograph comparisons for the 1, 2, 5, 10, and 25, 50 and 100-year storms for both the downstream property line study point and the point where the drainage basin equals 10 times the project area.  "]
[null,null,null,"SWM22","A detailed written description of the first 500 feet off site; at least one photograph looking downstream with some object included in the photograph for scale shall be included. "]
[null,null,null,"SWM23","Detain the runoff from the 1-year storm for 24 hours.  Use the SCS runoff equation to size the volume required.  "]
[null,null,null,"SWM24","Provide a cross-section of detention pond embankment including outlet pipe, emergency spillway, embankment slopes, minimum embankment top width, outlet control structures, headwalls, and riprap.  Verify that minimum 1’-6” freeboard above maximum water surface elevation is provided for earthen dams.  "]
[null,null,null,"SWM25","Orifices less than 3” in diameter must be protected from clogging such as Detail 629.  A trash rack (maximum mesh opening of d/2) with a surface area of at least 10 square feet shall protect all orifices 15\" or less in diameter.  Provide detail.  "]
[null,null,null,"SWM26","For the site, use pre-developed CN less than or equal to 55 unless approved by this office.  "]
[null,null,null,"SWM27","Post-developed flows at every location where run-off will leave the development must be less than or equal to pre-developed flows, unless meeting the conditions.",null,null,null,null,"800-40.5"]
[null,null,null,"SWM28","24-hour detention of the 1-year storm is required if water quality protection is required, unless meeting conditions of. Refer to _____ year storm in Basin _____.",null,null,null,null,"800-40.5"]
[null,null,null,"SWM29","Where water quality is treated in a regional storm water facility approved between April 27, 1999 , and January 1,2001, all lots within the treated area shall either conform to the original permit requirements and water quality regulations at the time of approval or conform to the current water quality regulations. A volume verification confirming facility maintenance in accordance with the original design shall be certified by an authorized registered professional an submitted to the Department for review and approval.",null,null,null,null,"800-90.5"]
[null,null,null,"SWM30","Where storm water detention is treated in a regional facility approved before April 27, 1999 , all lots within the treated area shall conform to current water quality  and channel protection regulations. A volume verification confirming facility maintenance in accordance with the original design shall be certified by an authorized registered professional an submitted to the Department for review and approval.",null,null,null,null,"800-90.5"]
[null,null,null,"SWM31","Since detention for project is claimed in an existing facility, provide documentation that 1) existing facility was certified in last 18 months or 2) documentation that facility meets the development requirements when the facility was approved, or 3) that maintenance/ construction will be preformed to bring facility into compliance.",null,null,null,null,"800-90.5"]
["NOT MET",null,null,"SWM02","Prior to approval of the report, the applicant shall certify and provide documentation that all other applicable environmental permits have been acquired for the site.   Use Environmental Permit Affidavit form.        \na) NPDES General Permit for Construction (Ga EPD)       \nb) COE 404 Permit (wetlands)  \nc) Ga EPD Stream Buffer Variance "]
["NOT MET",null,null,"SWM03","Provide completed Site Development Permits release affidavit form. "]
[null,null,null,"EDP00","Extended Detention Pond",null,null,null,null,"Reference"]
[null,null,null,"EDP01","All facilities with a drainage area larger than 20-acres should be designed as a wet facility unless the engineer can show that the pond will not remain wet.  "]
[null,null,null,"EDP02","Use the “CP & WQ Design Tool” found on www.gwinnettstormwater.com >Documents >Development Review Documents to determine volumes and orifice sizes.  "]
[null,null,null,"EDP03","Inlet and outlets should be at opposite ends of the pond to maximize flow length.  Baffles or islands may be installed to increase the flow path length and to minimize short-circuiting. "]
[null,null,null,"EDP04","Provide calculations showing emergency spillway is designed to pass the 100-year storm event and that freeboard for earthen dams is at least 1.5 feet above 100-year ponding elevation and 1 feet for non-earthen, walled dams.",null,null,null,null,"810-30.3"]
[null,null,null,"EDP05","Provide a 15-foot wide maintenance access drive to the pond outlet structure.  Show grading on plans.",null,null,null,null,"800-70.10"]
[null,null,null,"EDP06","Show calculations for Water Quality Volume (WQv).  "]
[null,null,null,"EDP07","Size the outlet orifice for a 24-hour drawdown time.",null,null,null,null,2.8]
[null,null,null,"EDP08","Outlet orifices shall be protected from clogging."]
[null,null,null,"EDP09","xxx"]
[null,null,null,"EDP10","xxx"]
[null,null,null,"EDP11","xxx"]
[null,null,null,"EDP12","xxx"]
[null,null,null,"EDP13","xxx"]
["X",null,null,"WQP00","Water Quality Performance"]
["NOT MET",null,null,"WQP01","Water Quality Performance Report shall be prepared in accordance with the current Gwinnett County Stormwater Management Manual & the Unified Development Ordinance"]
[null,null,null,"WQP02","Minimum reduction in TSS shall be 80% for 1.2\" of first flush and 100% for 1.0\" of first flush.",null,null,null,null,"800-30.1"]
["X",null,null,"FSR00","Flood Study Review - Only use if Flood Area on Property"]
["NOT MET",null,null,"FSR01","The flood study shall comply with current Gwinnett County Regulations and Ordinances."]
[null,null,null,"FSR01","When floodplain encountered is not FEMA related (i.e. is not shown as floodplain on the FIRM maps but is a drainage area greater than 100 acres), and NO encroachment in the floodplain is proposed, flood study shall contain a\nHEC-RAS study information summarized similar to the attached reference.                                                                                              \nShow Floodway limits.  If no floodway has been determined using the Regulatory Flood, calculate floodway limits and show on plans. \n",null,null,null,null,"Ref"]
[null,null,null,"FSR02","When Floodplain encountered is not FEMA related (i.e. is not shown as floodplain on the FIRM maps but is a drainage area greater than 100 acres), but encroachment IS proposed, Flood Study shall contain the following:      \nHEC-RAS study information summarized similar to the attached reference.                                                                                            This information from FIS, Flood Insurance Study\n",null,null,null,null,"Ref"]
[null,null,null,"FSR03","Preliminary Plat, Grading Plan, or Site Plan clearly defining floodplain encroachments and showing flood study cross sections at proposed encroachments.  "]
[null,null,null,"FSR04","The cross sections chosen for doing the flood study must be changed in HEC-RAS to reflect the proposed floodplain encroachment.  Provide plots of the pre and post encroachment cross sections.  "]
[null,null,null,"FSR05","If changes to the regulatory flood elevation are proposed, submit profiles of the channel showing existing and proposed base flood elevations.  "]
[null,null,null,"FSR06","Proposed floodplain storage (end area) calculations based on maximum 100’ cross section spacing (or other approved methods) (include cross sections in report) showing that flood storage capacity will not be reduced by the proposed grading."]
[null,null,null,"FSR07","Description of the extent to which any watercourse or floodplain will be altered or relocated as a result of the proposed development.  "]
[null,null,null,"FSR08","100-year base and regulatory floodplain elevation increases must be contained on site unless contained in a drainage easement obtained by the developer.  Flood study shows increases offsite at cross section. "]
[null,null,null,"FSR09","Provide documentation supporting your choice of Manning ‘n’ values for channel and overbank.  "]
[null,null,null,"FSR10","Show Floodway limits.  If no floodway has been determined using the Regulatory Flood, calculate floodway limits and show on plans. "]
[null,null,null,"FSR11","When floodplain encountered is FEMA related (i.e. is shown as floodplain on the FIRM maps), and NO encroachment in the floodplain is proposed, flood study shall contain the following:                                                                                                        HEC-RAS study information summarized similar to the attached reference.    \n   \n\n",null,null,null,null,"Ref"]
[null,null,null,"FSR12","If zone A on the FIRM, make application to FEMA for a LOMR.  Documentation that a complete submittal has been received by FEMA is required prior to receiving a permit from Gwinnett County.  "]
[null,null,null,"FSR13","Show Floodway limits.  If no floodway has been determined using the Regulatory Flood, calculate floodway limits and show on plans. "]
[null,null,null,"FSR14","When Floodplain encountered is FEMA related (i.e. is  shown as floodplain on the FIRM maps), and encroachment in the floodplain IS proposed, Flood Study shall contain the following:                                                                                              HEC-RAS study information summarized similar to the attached reference.\n"]
[null,null,null,"FSR15","Preliminary Plat, Grading Plan, or Site Plan clearly defining floodplain encroachments and showing flood study cross sections at proposed encroachments.  "]
[null,null,null,"FSR16","The cross sections chosen for doing the flood study must be changed in HEC-RAS to reflect the proposed floodplain encroachment.  Provide plots of the pre and post encroachment cross sections.  "]
[null,null,null,"FSR17","If changes to the regulatory flood elevation are proposed, submit profiles of the channel showing existing and proposed base flood elevations.  "]
[null,null,null,"FSR18","Proposed floodplain storage (end area) calculations based on maximum 100’ cross section spacing (or other approved methods) (include cross sections in report) showing that flood storage capacity will not be reduced by the proposed grading.  "]
[null,null,null,"FSR19","Description of the extent to which any watercourse or floodplain will be altered or relocated as a result of the proposed development.  "]
[null,null,null,"FSR20","100-year base and regulatory floodplain elevation increases must be contained on site unless contained in a drainage easement obtained by the developer.  Flood study shows increases offsite at cross section."]
[null,null,null,"FSR21","Show Floodway limits.  If no floodway has been determined using the Regulatory Flood, calculate floodway limits and show on plans. "]
[null,null,null,"FSR22","Make application to FEMA for a CLOMR.  Documentation that a complete submittal has been received by FEMA is required prior to receiving a permit from Gwinnett County. "]
[null,null,null,"FSR23","The applicant shall certify and provide documentation that all other applicable environmental permits have been acquired for the site.  Use Environmental Permit Affidavit form.",null,null,null,null,"700-10.12.B"]
[null,null,null,"FSR24","Add note to plans, “The boundaries or limits of the floodplain are shown within 0.5 feet vertical accuracy.  "]
[null,null,null,"FSR25","Provide “no-rise” certification.",null,null,null,null,"700-20.2"]
[null,null,null,"FSR26","Floodway being revised, provide CLOMR/CLOMA.",null,null,null,null,"700-20.2.A.3"]
[null,null,null,"FSR27","xxx"]
[null,null,null,"FSR28","xxx"]
[null,null,null,"FSR29","xxx"]
[null,null,null,"FSR30","xxx"]
[null,null,null,"FSR31","xxx"]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[null,null,"EP"]
[null,null,"CY"]
[null,null,"AW"]
[null,null,"GK"]
[null,null,"BW"]
[]
["X"]
[]
["MET"]
["NOT MET"]
["N/A"]

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[]
[null,"CDP Stormwater Plan Review Checklist",null,null,null,null,"Case Number",null,{"$f":"PROJECT!H11","v":0}]
[]
["REQD","DATE","REVIEWER","COMMENT","SWS PLAN REVIEW CHECKLIST COMMENT"]
["X",null,null,"PS00","Plan Submittal Process ",null,null,null,null,"Reference"]
["X",null,null,"PS01","Initial submittals and re-submittal shall be made digitally by using the following link:                                                                     https://eddspermits.gwinnettcounty.com/citizenaccess/  Submit annotated checklist with re-submittal and allow up to 10 business days for review.",null,null,null,null,"Submittal"]
[null,null,null,"PS02","Walk Through "]
[null,null,null,"PS03","Drop-Off, include a copy of these comments and one set of plans, do not drop off money. Bring to Suite 150- 1st floor One Justice any day of the week.  Allow up to 5 business days for re-review."]
["X",null,null,"PS02","An appointment may be scheduled with a plan reviewer. Call 678.518.6174 to schedule an appointment."]
["X",null,null,"CSW00","Commercial Stormwater One-Stop",null,null,null,null,"Reference"]
["X",null,null,"CSW01","Stormwater Management Report: Return 1 hard and 1 digital set of the report for approval."]
["X",null,null,"CSW02","Civil Site Plans: Return 3 hard and 1 digital set of plans for approval. (FULL SETS)"]
["X",null,null,"CSW03","All hard copies and digital sets must be signed and dated."]
["X",null,null,"SGP00","Site/Grading Plan",null,null,null,null,"Reference"]
["NOT MET",null,null,"SGP01","Site design shall comply with current Gwinnett County Regulations and Ordinances as posted on the Planning & Development website."]
["NOT MET",null,null,"SGP02","Show name of development and specify unit or phase, if any."]
["NOT MET",null,null,"SGP03","Show location map, scale, and North arrow; Specify district, land lot, parcel number, and property address in title block."]
["NOT MET",null,null,"SGP04","Show name, address, phone number, and email address for Developer & Designer on the Site, Grading & ESC sheets."]
["NOT MET",null,null,"SGP05","Show hand written signature & date across engineers/surveyors seal on all sheets. Final Sets."]
["NOT MET",null,null,"SGP06","Show and label property lines, adjacent owners and parcel numbers, road names, pavement widths and R/W."]
["NOT MET",null,null,"SGP07","Provide a 4\" x 4\" blank area in the lower right of every drawing sheet for Gwinnett County to affix the permit stamp.  Include Gwinnett County Project Number."]
["NOT MET",null,null,"SGP08","Include all approved variances on applicable pages."]
[null,null,null,"SGP01","Number all pipes and structures on plan.",null,null,null,null,"320-30.5"]
[null,null,null,"SGP02","Show Grading of and number all open channels on plan. ",null,null,null,null,"320-30.5"]
[null,null,null,"SGP03","Show topography at a 2’ contour interval or less.  ",null,null,null,null,"320-30.5"]
[null,null,null,"SGP04","Show drainage easement on pipes consistent with table.",null,null,null,null,1000.1]
[null,null,null,"SGP05","Show regulatory and 100-year floodplain contour, elevation and floodway limits and indicate information source.",null,null,null,null,"700-30.7"]
[null,null,null,"SGP06","Indicate minimum floor elevation of building on plans. ",null,null,null,null,"700-30.7"]
[null,null,null,"SGP09","Storm sewer pipe that do not carry live streams must extend at least 50 feet past the front building setback line. ",null,null,null,null,"3.3.2.2"]
[null,null,null,"SGP10","Standard landscaping and landscaping requirements that are part of zoning conditions are not permitted within designated drainage or BMP easements.  Provide Landscape Plan.",null,null,null,null,"600-20.1"]
[null,null,null,"SGP11","Provide a drainage easement located a minimum of 10-feet outside the 100-year ponding limits of the detention pond.   ",null,null,null,null,"DELETE ","This is a carry over from the time ponds were on private property"]
[null,null,null,"SGP12","For commercial projects, provide a cleared access easement 20’ wide to the detention pond from a public street.",null,null,null,null,"800-70.9"]
[null,null,null,"SGP13","Within the access easement, a 15-foot wide road shall be graded at a maximum 20% grade to provide access to the facility.  Show grading on plans.  The road shall be grassed or paved.  The road shall extend to the bottom of the pond when the pond is greater than 10 feet deep or 50 feet wide. ",null,null,null,null,"800-70.10"]
[null,null,null,"SGP14","Discharge pipe must be no closer to the project site's property line than the greater of the distance necessary to construct any velocity protection or a flow distance equal to six (6) pipe diameters.",null,null,null,null," 810-20.1"]
[null,null,null,"SGP15","Minimum top width of detention pond, earthen dam to be 8’-0”.    ",null,null,null,null,"  800-80.4"]
[null,null,null,"SGP16","Show grading associated with roadway deceleration lane. "]
[null,null,null,"SGP17","Provide a flume and riprap at end of the widened collector road or deceleration lane section. Provide flume detail on detail sheet.  "]
[null,null,null,"SGP18","Provide Wall Pond plan and section Detail Design incorporating design elements shown on UDO Sheet 618.",null,null,null,null,"Form"]
[null,null,null,"SGP19","Provide Dry Detention Pond plan and section Detail Design incorporating design elements shown on UDO Sheet 615. For ponds more than 5'.",null,null,null,null,"Form"]
[null,null,null,"SGP20","Provide Dry Detention Pond plan and section Detail Design incorporating design elements shown on UDO Sheet 612. For ponds less than 5'.",null,null,null,null,"Form"]
[null,null,null,"SGP21","Provide Wet Detention Pond plan and section Detail Design incorporating design elements shown on UDO Sheet 617. For ponds more than 5'.",null,null,null,null,"Form"]
[null,null,null,"SGP22","Provide Wet Detention Pond plan and section Detail Design incorporating design elements shown on UDO Sheet 614. For ponds less than 5'.",null,null,null,null,"Form"]
[null,null,null,"SGP23","Provide Underground Detention Pond plan and section Detail Design incorporating design elements shown on UDO Sheet 631. ",null,null,null,null,"Form"]
[null,null,null,"SGP24","Provide a Standard Pipe Bedding Detail (SSFISS 3-48)",null,null,null,null,"Form"]
[null,null,null,"SGP25","Forebay equaling 10% of the water quality volume must be provided for each inlet to the pond. Provide calculations within report and show grading details on plans. "]
[null,null,null,"SGP26","Provide Forebay plan and section of Detail Design incorporating design elements shown on UDO Sheet 625."]
["NOT MET",null,null,"SGP09","Surface runoff should be prevented from overtopping any proposed retaining walls. Runoff should be collected upstream of wall and discharged downstream utilizing an appropriate conveyance system."]
["NOT MET",null,null,"SGP10","Surface runoff generated or collected upstream of the pond's access ramp shall not be allowed to flow down or discharged onto the access ramp. "]
["NOT MET",null,null,"SGP11","Proposed grading ensures proper drainage for the subdivision (show inter parcel proposed grading)."]
["NOT MET",null,null,"SGP12","Provide proposed grading that shows the stormwater runoff will drain away from the house."]
["NOT MET",null,null,"SGP13","Indicate Residential Drainage Plan (RDP) required on the following lots: Note that an RDP is required on a residential lot with a SWM BMP located on the lot. Lots: "]
["NOT MET",null,null,"SGP14","Indicate Residential Drainage Study (RDS) required on the following lots. Lots:"]
["NOT MET",null,null,"SGP15","Provide the site disturbance on the cover sheet & the total amount of impervious."]
["NOT MET",null,null,"SGP16","Provide stationing, top of wall and bottom of wall elevations labels for all retaining walls, include these labels at each break/change in elevation (bottom of wall elevation is defined as the elevation at the top footing)."]
[null,null,null,"SGP32","xxx"]
[null,null,null,"SGP33","xxx"]
[null,null,null,"SGP34","xxx"]
[null,null,null,"SGP35","xxx"]
[null,null,null,"SGP36","xxx"]
["X",null,null,"PCP00","Pipe & Channel Profiles",null,null,null,null,"Reference"]
[null,null,null,"PCP01","Provide pipe profiles.  Show existing and proposed ground surface profiles, pipe lengths, slopes, inverts, and 25-year hydraulic grade lines. ",null,null,null,null," 3.3.1.6"]
[null,null,null,"PCP02","Provide channel profiles.  Show existing and proposed ground surface profiles, channel lengths, 25-year normal flow depth and slopes.  Minimum freeboard to be 20% of the flow depth. ",null,null,null,null,"5.2.1"]
[null,null,null,"PCP03","25-year hydraulic grade line must be at least 1 foot below the gutter line or top of grate. ",null,null,null,null,"  3.3.1.1"]
[null,null,null,"PCP04","Channel velocities for the fully developed 25-year flow shall not exceed the non-erosive velocity as shown in Table 5.2 of the Gwinnett County Storm water System and Facilities Installation Standards and Specifications Refer to open channel #_________. ",null,null,null,null,"5.2.1"]
[null,null,null,"PCP05","Minimum slope for storm drain pipe is 0.50% ",null,null,null,null,"  3.9.2.2 "]
[null,null,null,"PCP06","Minimum Velocity (V25) for storm pipe is 2.5fps ",null,null,null,null,"3.9.3.3 "]
[null,null,null,"PCP07","Velocity in corrugated metal pipe system exceed 5 fps maximum.  ",null,null,null,null,"Table 3-43"]
[null,null,null,"PCP08","Slope of CMP or HDPE pipe(s) #__________exceed(s) 14% maximum.  Provide anchors per manufacture’s recommendations.",null,null,null,null,"3.4.1"]
[null,null,null,"PCP09","Slope of RCP pipe(s) #__________exceed(s) 10% maximum.  Provide anchors per manufacture’s recommendations.",null,null,null,null,"3.4.1 "]
[null,null,null,"PCP10","Show minimum ground cover of 1’-0” for pipe(s) #_________.",null,null,null,null,"3.4.1.4"]
[null,null,null,"PCP11","Anchor collars may be required on CMP pipes exceeding 10% slope.  Specifically pipe(s) #__________. "]
[null,null,null,"PCP12","Show 100-year ponding limit and elevation above inlet #_________.  ",null,null,null,null,4.3]
[null,null,null,"PCP13","Show 100-year hydraulic grade line in all culverts.  Specifically pipe(s) #__________. Use USGS regression equations where applicable to check the magnitude of peak flows when other hydrologic methods recommended in the manual are used.  ",null,null,null,null,4.3]
[null,null,null,"PCP14","Maximum vertical drop in Storm Drain structure shall not exceed 10’.  ",null,null,null,null,4.3]
[null,null,null,"PCP15","Maximum spacing of structures that can be used for access shall be 300’.  Specifically, pipe(s) #__________.",null,null,null,null,"3.2.1"]
["NOT MET",null,null,"PCP01","Provide complete pipe chart including the following:  \n____Upstream Structure Type (DWCB, SWCB, DI, etc.)             ____Pipe numbers/Pipe Structures \n____Pipe size (in)\n____Pipe length (lf)\n____Pipe slope (%)\n____Contributing drainage area (ac)                                            ____Design discharge (cfs) \n____Rainfall Intensity (in/hr)\n____Runoff coefficient(C)\n____Pipe material/coating \n____Velocity (fps)\n *(Pipes shall sized for the 25-yr design storm; culverts for the 100 yr design storm) "]
["NOT MET",null,null,"PCP02","Provide complete channel chart indicating the following: \n____Open channel numbers      \n____Contributing drainage area      \n____Runoff coefficient \n____Conveyance size/dimensions      \n____Channel lining material      \n____Channel length      \n____Channel slope (Maximum 10%.)      \n____Velocity (fps) \n____Design discharge (cfs)      \n____Normal flow depth    \n*(Channels shall sized for the 25-yr design storm)  "]
[null,null,null,"PCP18","Development plans must be sealed by Professional Engineer or Landscape Architect. ",null,null,null,null,"340-30.2"]
[null,null,null,"PCP19","xxx"]
[null,null,null,"PCP20","xxx"]
[null,null,null,"PCP21","xxx"]
[null,null,null,"PCP22","xxx"]
[null,null,null,"PCP23","xxx"]
[null,null,null,"SWA00","Storm water Approval",null,null,null,null,"Reference"]
[null,null,null,"SWA01","AFTER ALL CORRECTIONS, PROVIDE THE FOLLOWING (TO BE RECEIVED PRIOR TO DEVELOPMENT PERMIT SIGN-OFF)"]
[null,null,null,"SWA02","Pay TV inspection fees (based on $45.00 plus $0.15LF for all storm water pipe 15\" or larger).    $Insert Fee Amount"]
[null,null,null,"SWA03","xxx"]
[null,null,null,"SWA04","xxx"]
[null,null,null,"SWA04","xxx"]
[null,null,null,"SWA04","xxx"]
[null,null,null,"SWA04","xxx"]
["X",null,null,"ESC00","Erosion and Sediment Control",null,null,null,null,"Reference"]
["NOT MET",null,null,"ESC01","Must include Erosion, Sedimentation & Pollution Control Plans Checklist on plans. "]
["NOT MET",null,null,"ESC02"," Erosion and Sediment Control features shall be design in accordance with the latest Georgia Manual for Erosion and Sedimentation Control "]
[null,null,null,"ESC02","Erosion control maps, drawings, and supportive computations shall bear the signature, date of signature, and seal of a registered or certified professional in engineering, architecture, landscape architecture, land surveying, or erosion and sediment control.",null,null,null,null,"400-50.2B"]
[null,null,null,"ESC03","Provide graphic scale and north point or arrow indicating magnetic north.   ",null,null,null,null,"400-50.C"]
[null,null,null,"ESC04","Provide boundary line survey information.  ",null,null,null,null,"400-50.C"]
[null,null,null,"ESC05","Indicate on the plans adjacent areas and features such as streams, lakes, residential areas, etc., which might be affected by project work.",null,null,null,null,"400-50.3C"]
[null,null,null,"ESC06","Show all proposed structures or additions to existing structures.  ",null,null,null,null,"400-50.3C"]
[null,null,null,"ESC07","For projects in Big Haynes Creek watershed inside the 7 mile radius to Black Shoals Reservoir, on perennial streams shown on the USGS quad maps, show a minimum 100 foot buffer and 150 foot no-impervious surface setback.  See the zoning resolution for exempt activities.  ",null,null,null,null," 220-20"]
[null,null,null,"ESC08","Locate the erosion and sediment control measures on the plan using the uniform coding symbols from chapter 6 of the Manual for Erosion and Sediment Control in Georgia. "]
[null,null,null,"ESC09","Discharge of water from sediment basins and impoundments must utilize outlet structures that withdraw water from the surface. Add detail Sk."]
[null,null,null,"ESC10","After consulting the National Wetlands Inventory Map, it appears that wetlands exist on the project property.  These wetland areas must be indicated on the site plan.  National Wetland Inventory Maps are on file with the Gwinnett County Department of Public Utilities, and are available at 75 Langley Drive for the design consultant’s perusal.  NWI Maps are also available on the internet at http://www.fws.gov/wetlands/Data/Mapper.html  ",null,null,null,null,"Mapper"]
["NOT MET",null,null,"ESC03","Any work proposed in the stream bed will require authorization from the US Army Corps of Engineers.  "]
[null,null,null,"ESC12","Gwinnett County will not issue a land disturbance permit until we receive documentation from the Corps of Engineers that an Individual Permit or a Letter of Permission authorizes the proposed encroachment in wetland areas.  If the encroachment is authorized under a Nationwide Permit, we must receive documentation from the applicant’s engineer about which Nationwide Permit is applicable and why the encroachment meets the conditions of that Nationwide permit.  We also must receive a copy of the approved PCN letter from the Corps of Engineers, if applicable. The Corps of Engineers can be contacted at the following address:       \n\nPhilip Shannon\nChief of Permits Section\nUS Army Corps of Engineers, Savannah District Regulatory Division – Piedmont Branch\n1590 Adamson Parkway, Suite 200\nMorrow, Georgia 30260-1777\n678-422-2729\nEmail:  Philip.A.Shannin2@usace.army.mil\n"]
["NOT MET",null,null,"ESC04","Specify type \"S\" silt fence (steel posts with wire reinforcement)."]
[null,null,null,"ESC14","xxx"]
[null,null,null,"ESC15","xxx"]
[null,null,null,"ESC16","xxx"]
[null,null,null,"ESC17","xxx"]
[null,null,null,"ESC18","xxx"]
["X",null,null,"CSN00","Commercial Stormwater Notes",null,null,null,null,"Reference"]
["NOT MET",null,null,"CSN01","Provide all notes in the order shown below."]
["NOT MET",null,null,"CSN02","The engineer and developer acknowledge that all work represented in these construction documents have been designed and will be constructed to fully comply with Gwinnett County Regulations and Ordinances. Actual field conditions could dictate more stringent requirements, if deemed necessary by the County inspector."]
["NOT MET",null,null,"CSN03","Provide note: \"All SWM utilities to be inspected by Department of Water Resources.\""]
["NOT MET",null,null,"CSN04","Select appropriate Floodplain Note(s). Either select note a or b and select notes   c and d as applicable.\na. There is no floodplain on this property from a water course with a drainage area exceeding 100 acres or floodplain per FIRM Panel _________ dated _ ___________.\nb. Floodplain on this property from all water courses with a drainage area exceeding 100 acres is shown.\nc. Floodplain shown is from FIRM panel _______ dated ________.\nd. Floodplain shown is from Floodplain study titled ____________ by _______________ dated _______.  Study was done as a part of project number XXX xxxx-xxxxx.  "]
["NOT MET",null,null,"CSN05","Select appropriate wetlands note(s).  Select either a or b, if wetlands are being disturbed on the site select note c.      \na. There are no wetlands being disturbed on this site.\nb. All wetlands to be disturbed are delineated on this site.\nc. The wetlands are being disturbed in accordance with permit ___________.  "]
["NOT MET",null,null,"CSN06","Select the appropriate SWM note.\na. Storm Water Management for this project is provided on-site.\nb. Storm Water Management for this site is provided off-site in project named _________ with case number XXX xxxx-xxxxx.  "]
["NOT MET",null,null,"CSN07","Select appropriate state waters note(s).  Select either a or b and if a state waters buffer is being disturbed on the site select note c.\na. There are no stream buffers on this property.\nb. A 50-foot undisturbed buffer and a 75-foot impervious setback shall be maintained adjacent to all streams.\nc. Stream buffer variance number ____________ was obtained to work in buffer as shown.  "]
["NOT MET",null,null,"CSN08","Wetland certification: The design professional, whose seal appears hereon, certifies the following: 1) the National Wetland Inventory maps have been consulted; and, 2) the appropriate plan sheet [ ] does / [ ] does not (circle appropriate box) indicate areas of united states army corps of engineers jurisdictional wetlands as shown on the maps; and, 3) if wetlands are indicated, the land owner or developer has been advised that land disturbance of protected wetlands shall not occur unless the appropriate federal wetlands alteration (“section 404”) permit has been obtained."]
["NOT MET",null,null,"CSN09","Commercial - Gwinnett County assumes no responsibility for overflow or erosion of natural or artificial drains beyond the extent of the street right-of-way, or for the extension of culverts beyond the point shown on the approved and recorded plan.  Gwinnett County does not assume the responsibility for the maintenance of pipes in drainage easements beyond the county right-of-way.  "]
["NOT MET",null,null,"CSN10","Source of topography is ____________ and reference datum is (i.e. NGVD 1929, Mean Sea Level, etc.)  "]
["NOT MET",null,null,"CSN11","Maximum slope for cut or fill is 2H:1V except earthen dam embankments shall be 3H:1V.   "]
["NOT MET",null,null,"CSN12","Detention pond, detention outlet structures and temporary sediment pond features are to be constructed and fully operational prior to any other construction or grading.  "]
["NOT MET",null,null,"CSN13","Developer is to clean out accumulated silt in detention pond at end of construction when disturbed areas have been stabilized.  "]
["NOT MET",null,null,"CSN14","A separate building permit shall be obtained prior to construction for each site retaining wall (which either exceeds 4 feet in height or which has a backfill slope greater than 1 foot rise in 3 feet horizontal) and for each detention pond wall (dam) in accordance with Gwinnett County Construction Code section 103.1.1.  A Certificate of Completion shall be issued by Gwinnett County Building Inspections Section for all walls pertinent to the project prior to issuance of a Certificate of Occupancy for any usable structure on the site or prior to approval of the Final Subdivision Plat as applicable.  "]
["NOT MET",null,null,"CSN15","All fill slopes shall have silt fence placed at the slope’s toe."]
["NOT MET",null,null,"CSN16","Concentrated flow areas and all slopes steeper than 2.5:1 with a height of ten feet or greater shall be stabilized with the appropriate erosion control matting or blanket."]
["NOT MET",null,null,"CSN17","Total wetland acres on site are  _____________."]
["NOT MET",null,null,"CSN18","A revision to the EC plan is required whenever there is a change in design, construction, operation, or maintenance, that will have a significant effect on BMPs with a hydraulic component, or if the plan proves to be ineffective in eliminating pollutant discharge. "]
[null,null,null,"CSN30","xxx"]
[null,null,null,"CSN31","xxx"]
[null,null,null,"CSN32","xxx"]
[null,null,null,"CSN33","xxx"]
["X",null,null,"SWM00","Stormwater Management Report",null,null,null,null,"Reference"]
["X",null,null,"SWM01","Stormwater Management Report shall be prepared in accordance with the current Gwinnett County Stormwater Management Manual & the Unified Development Ordinance."]
[null,null,null,"SWM01","Professional Engineer seal, signature and date.",null,null,null,null,"800-20.1"]
[null,null,null,"SWM02","Narrative explaining the purpose of the report."]
[null,null,null,"SWM03","Provide Flow Summary Sheet. Click on link for reference. ",null,null,null,null,"Ref"]
[null,null,null,"SWM04","Provide Energy Dissipation Sheet. Click on link for reference. ",null,null,null,null,"Ref"]
[null,null,null,"SWM05","Provide Downstream receiving conveyance velocity summary sheet. Click on link for reference. ",null,null,null,null,"Ref"]
[null,null,null,"SWM06","Provide Time of Concentration Sheet. Click on link for reference. ",null,null,null,null,"Ref"]
[null,null,null,"SWM07","Provide Curve Number Summery Sheet. Click on link for reference. ",null,null,null,null,"Ref"]
[null,null,null,"SWM08","Provide Gutter Spread Calculations Summary Sheet. Click on link for reference. ",null,null,null,null,"Ref"]
[null,null,null,"SWM10","A map showing drainage areas for all hydrographs.  Preferably county GIS for basins less than 100 acres.",null,null,null,null,"800-20.2"]
[null,null,null,"SWM12","Calculations determining the capacity of existing pipe to carry the proposed discharges.",null,null,null,null,"800-20.4"]
[null,null,null,"SWM13","Calculations showing discharge of concentrated flows into the streets do not exceed the flow rates in table 9-G.",null,null,null,null,"810-20.3"]
[null,null,null,"SWM14","Calculations showing outlet pipe for detention ponds will accommodate 125% of Q100 routed, if no earthen embankment emergency spillway is proposed.",null,null,null,null,"800-60.2"]
[null,null,null,"SWM15","Show time of concentration calculations for all hydrographs.",null,null,null,null,"800-20.4.f"]
[null,null,null,"SWM16","Curve Number calculations for both pre-developed and post-developed conditions for all hydrographs. Follow the procedures set forth in the Gwinnett Storm water Systems and Facilities Standards and Specifications.",null,null,null,null,"800-10.4"]
[null,null,null,"SWM17","Provide Energy dissipater calculations/designs for outlet headwalls of pipes and detention ponds.  "]
[null,null,null,"SWM19","Analyze downstream watercourses and receiving conveyances to determine 25-yr. flow channel velocities.  If the non-erosive velocity of the stream is exceeded, detention may be required.   Provide calculations with cross-section, depth of flow and velocity in channel.",null,null,null,null,"800-20.3"]
[null,null,null,"SWM20","Analyze existing pipe systems and culverts for compliance with current development regulation design criteria.  Culverts should pass Q100.  If existing pipes are not adequate for increased 100-year flow, detention may be required.",null,null,null,null,"800-20.3"]
[null,null,null,"SWM21","Hydrograph comparisons for the 1, 2, 5, 10, and 25, 50 and 100-year storms for both the downstream property line study point and the point where the drainage basin equals 10 times the project area.  "]
[null,null,null,"SWM22","A detailed written description of the first 500 feet off site; at least one photograph looking downstream with some object included in the photograph for scale shall be included. "]
[null,null,null,"SWM23","Detain the runoff from the 1-year storm for 24 hours.  Use the SCS runoff equation to size the volume required.  "]
[null,null,null,"SWM24","Provide a cross-section of detention pond embankment including outlet pipe, emergency spillway, embankment slopes, minimum embankment top width, outlet control structures, headwalls, and riprap.  Verify that minimum 1’-6” freeboard above maximum water surface elevation is provided for earthen dams.  "]
[null,null,null,"SWM25","Orifices less than 3” in diameter must be protected from clogging such as Detail 629.  A trash rack (maximum mesh opening of d/2) with a surface area of at least 10 square feet shall protect all orifices 15\" or less in diameter.  Provide detail.  "]
[null,null,null,"SWM26","For the site, use pre-developed CN less than or equal to 55 unless approved by this office.  "]
[null,null,null,"SWM27","Post-developed flows at every location where run-off will leave the development must be less than or equal to pre-developed flows, unless meeting the conditions.",null,null,null,null,"800-40.5"]
[null,null,null,"SWM28","24-hour detention of the 1-year storm is required if water quality protection is required, unless meeting conditions of. Refer to _____ year storm in Basin _____.",null,null,null,null,"800-40.5"]
[null,null,null,"SWM29","Where water quality is treated in a regional storm water facility approved between April 27, 1999 , and January 1,2001, all lots within the treated area shall either conform to the original permit requirements and water quality regulations at the time of approval or conform to the current water quality regulations. A volume verification confirming facility maintenance in accordance with the original design shall be certified by an authorized registered professional an submitted to the Department for review and approval.",null,null,null,null,"800-90.5"]
[null,null,null,"SWM30","Where storm water detention is treated in a regional facility approved before April 27, 1999 , all lots within the treated area shall conform to current water quality  and channel protection regulations. A volume verification confirming facility maintenance in accordance with the original design shall be certified by an authorized registered professional an submitted to the Department for review and approval.",null,null,null,null,"800-90.5"]
[null,null,null,"SWM31","Since detention for project is claimed in an existing facility, provide documentation that 1) existing facility was certified in last 18 months or 2) documentation that facility meets the development requirements when the facility was approved, or 3) that maintenance/ construction will be preformed to bring facility into compliance.",null,null,null,null,"800-90.5"]
["NOT MET",null,null,"SWM02","Prior to approval of the report, the applicant shall certify and provide documentation that all other applicable environmental permits have been acquired for the site.   Use Environmental Permit Affidavit form.        \na) NPDES General Permit for Construction (Ga EPD)       \nb) COE 404 Permit (wetlands)  \nc) Ga EPD Stream Buffer Variance "]
["NOT MET",null,null,"SWM03","Provide completed Site Development Permits release affidavit form. "]
[null,null,null,"EDP00","Extended Detention Pond",null,null,null,null,"Reference"]
[null,null,null,"EDP01","All facilities with a drainage area larger than 20-acres should be designed as a wet facility unless the engineer can show that the pond will not remain wet.  "]
[null,null,null,"EDP02","Use the “CP & WQ Design Tool” found on www.gwinnettstormwater.com >Documents >Development Review Documents to determine volumes and orifice sizes.  "]
[null,null,null,"EDP03","Inlet and outlets should be at opposite ends of the pond to maximize flow length.  Baffles or islands may be installed to increase the flow path length and to minimize short-circuiting. "]
[null,null,null,"EDP04","Provide calculations showing emergency spillway is designed to pass the 100-year storm event and that freeboard for earthen dams is at least 1.5 feet above 100-year ponding elevation and 1 feet for non-earthen, walled dams.",null,null,null,null,"810-30.3"]
[null,null,null,"EDP05","Provide a 15-foot wide maintenance access drive to the pond outlet structure.  Show grading on plans.",null,null,null,null,"800-70.10"]
[null,null,null,"EDP06","Show calculations for Water Quality Volume (WQv).  "]
[null,null,null,"EDP07","Size the outlet orifice for a 24-hour drawdown time.",null,null,null,null,2.8]
[null,null,null,"EDP08","Outlet orifices shall be protected from clogging."]
[null,null,null,"EDP09","xxx"]
[null,null,null,"EDP10","xxx"]
[null,null,null,"EDP11","xxx"]
[null,null,null,"EDP12","xxx"]
[null,null,null,"EDP13","xxx"]
["X",null,null,"WQP00","Water Quality Performance"]
["NOT MET",null,null,"WQP01","Water Quality Performance Report shall be prepared in accordance with the current Gwinnett County Stormwater Management Manual & the Unified Development Ordinance"]
[null,null,null,"WQP02","Minimum reduction in TSS shall be 80% for 1.2\" of first flush and 100% for 1.0\" of first flush.",null,null,null,null,"800-30.1"]
["X",null,null,"FSR00","Flood Study Review - Only use if Flood Area on Property"]
["NOT MET",null,null,"FSR01","The flood study shall comply with current Gwinnett County Regulations and Ordinances."]
[null,null,null,"FSR01","When floodplain encountered is not FEMA related (i.e. is not shown as floodplain on the FIRM maps but is a drainage area greater than 100 acres), and NO encroachment in the floodplain is proposed, flood study shall contain a\nHEC-RAS study information summarized similar to the attached reference.                                                                                              \nShow Floodway limits.  If no floodway has been determined using the Regulatory Flood, calculate floodway limits and show on plans. \n",null,null,null,null,"Ref"]
[null,null,null,"FSR02","When Floodplain encountered is not FEMA related (i.e. is not shown as floodplain on the FIRM maps but is a drainage area greater than 100 acres), but encroachment IS proposed, Flood Study shall contain the following:      \nHEC-RAS study information summarized similar to the attached reference.                                                                                            This information from FIS, Flood Insurance Study\n",null,null,null,null,"Ref"]
[null,null,null,"FSR03","Preliminary Plat, Grading Plan, or Site Plan clearly defining floodplain encroachments and showing flood study cross sections at proposed encroachments.  "]
[null,null,null,"FSR04","The cross sections chosen for doing the flood study must be changed in HEC-RAS to reflect the proposed floodplain encroachment.  Provide plots of the pre and post encroachment cross sections.  "]
[null,null,null,"FSR05","If changes to the regulatory flood elevation are proposed, submit profiles of the channel showing existing and proposed base flood elevations.  "]
[null,null,null,"FSR06","Proposed floodplain storage (end area) calculations based on maximum 100’ cross section spacing (or other approved methods) (include cross sections in report) showing that flood storage capacity will not be reduced by the proposed grading."]
[null,null,null,"FSR07","Description of the extent to which any watercourse or floodplain will be altered or relocated as a result of the proposed development.  "]
[null,null,null,"FSR08","100-year base and regulatory floodplain elevation increases must be contained on site unless contained in a drainage easement obtained by the developer.  Flood study shows increases offsite at cross section. "]
[null,null,null,"FSR09","Provide documentation supporting your choice of Manning ‘n’ values for channel and overbank.  "]
[null,null,null,"FSR10","Show Floodway limits.  If no floodway has been determined using the Regulatory Flood, calculate floodway limits and show on plans. "]
[null,null,null,"FSR11","When floodplain encountered is FEMA related (i.e. is shown as floodplain on the FIRM maps), and NO encroachment in the floodplain is proposed, flood study shall contain the following:                                                                                                        HEC-RAS study information summarized similar to the attached reference.    \n   \n\n",null,null,null,null,"Ref"]
[null,null,null,"FSR12","If zone A on the FIRM, make application to FEMA for a LOMR.  Documentation that a complete submittal has been received by FEMA is required prior to receiving a permit from Gwinnett County.  "]
[null,null,null,"FSR13","Show Floodway limits.  If no floodway has been determined using the Regulatory Flood, calculate floodway limits and show on plans. "]
[null,null,null,"FSR14","When Floodplain encountered is FEMA related (i.e. is  shown as floodplain on the FIRM maps), and encroachment in the floodplain IS proposed, Flood Study shall contain the following:                                                                                              HEC-RAS study information summarized similar to the attached reference.\n"]
[null,null,null,"FSR15","Preliminary Plat, Grading Plan, or Site Plan clearly defining floodplain encroachments and showing flood study cross sections at proposed encroachments.  "]
[null,null,null,"FSR16","The cross sections chosen for doing the flood study must be changed in HEC-RAS to reflect the proposed floodplain encroachment.  Provide plots of the pre and post encroachment cross sections.  "]
[null,null,null,"FSR17","If changes to the regulatory flood elevation are proposed, submit profiles of the channel showing existing and proposed base flood elevations.  "]
[null,null,null,"FSR18","Proposed floodplain storage (end area) calculations based on maximum 100’ cross section spacing (or other approved methods) (include cross sections in report) showing that flood storage capacity will not be reduced by the proposed grading.  "]
[null,null,null,"FSR19","Description of the extent to which any watercourse or floodplain will be altered or relocated as a result of the proposed development.  "]
[null,null,null,"FSR20","100-year base and regulatory floodplain elevation increases must be contained on site unless contained in a drainage easement obtained by the developer.  Flood study shows increases offsite at cross section."]
[null,null,null,"FSR21","Show Floodway limits.  If no floodway has been determined using the Regulatory Flood, calculate floodway limits and show on plans. "]
[null,null,null,"FSR22","Make application to FEMA for a CLOMR.  Documentation that a complete submittal has been received by FEMA is required prior to receiving a permit from Gwinnett County. "]
[null,null,null,"FSR23","The applicant shall certify and provide documentation that all other applicable environmental permits have been acquired for the site.  Use Environmental Permit Affidavit form.",null,null,null,null,"700-10.12.B"]
[null,null,null,"FSR24","Add note to plans, “The boundaries or limits of the floodplain are shown within 0.5 feet vertical accuracy.  "]
[null,null,null,"FSR25","Provide “no-rise” certification.",null,null,null,null,"700-20.2"]
[null,null,null,"FSR26","Floodway being revised, provide CLOMR/CLOMA.",null,null,null,null,"700-20.2.A.3"]
[null,null,null,"FSR27","xxx"]
[null,null,null,"FSR28","xxx"]
[null,null,null,"FSR29","xxx"]
[null,null,null,"FSR30","xxx"]
[null,null,null,"FSR31","xxx"]
[]
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[]
[]
[null,null,"EP"]
[null,null,"CY"]
[null,null,"AW"]
[null,null,"GK"]
[null,null,"BW"]
[]
["X"]
[]
["MET"]
["NOT MET"]
["N/A"]

{"sheet":"DOT - STORMWATER","index":9,"n_rows":94,"n_cols":10,"rows_kept":94,"cut":false,"hidden":false,"merged":[[46,4,46,8],[42,4,42,8],[43,4,43,8],[44,4,44,8],[45,4,45,8],[40,4,40,8],[41,4,41,8],[36,4,36,8],[4,4,4,8],[1,1,1,5],[1,6,1,7],[1,8,1,9],[2,1,2,9],[3,4,3,8],[10,4,10,8],[13,4,13,8],[14,4,14,8],[5,4,5,8],[6,4,6,8],[7,4,7,8],[8,4,8,8],[9,4,9,8],[11,4,11,8],[12,4,12,8],[28,4,28,8],[29,4,29,8],[25,4,25,8],[26,4,26,8],[20,4,20,8],[21,4,21,8],[22,4,22,8],[23,4,23,8],[24,4,24,8],[15,4,15,8],[16,4,16,8],[17,4,17,8],[18,4,18,8],[19,4,19,8],[37,4,37,8],[38,4,38,8],[39,4,39,8],[35,4,35,8],[27,4,27,8],[30,4,30,8],[31,4,31,8],[32,4,32,8],[33,4,33,8],[34,4,34,8]]}
[]
[null,"DOT Storm water Plan Review Checklist",null,null,null,null,"Case Number",null,{"$f":"PROJECT!H11","v":0}]
[]
["X",null,null,"PS00","Plan Submittal Process ",null,null,null,null,"Reference"]
["X",null,null,"PS01","Initial submittals and re-submittal shall be made digitally by using the following link:                                                                     https://eddspermits.gwinnettcounty.com/citizenaccess/  Submit annotated checklist with re-submittal and allow up to 10 business days for review.",null,null,null,null,"Submittal"]
["X",null,null,"PS02","An appointment may be scheduled with a plan reviewer. Call 678.518.6174 to schedule an appointment."]
["X",null,null,"CSW00","Commercial Stormwater One-Stop",null,null,null,null,"Reference"]
["X",null,null,"CSW01","Stormwater Management Report: Return 1 hard and 1 digital set of the report for approval."]
["X",null,null,"CSW02","Civil Site Plans: Return 3 hard and 1 digital set of plans for approval. (FULL SETS)"]
["X",null,null,"CSW03","All hard copies and digital sets must be signed and dated."]
["X",null,null,"DOT00","DOT Checklist",null,null,null,null,"Reference"]
["NOT MET",null,null,"SGP01","Site design shall comply with current Gwinnett County Regulations and Ordinances as posted on the Planning & Development website."]
["NOT MET",null,null,"SGP02","Show name of development and specify unit or phase, if any."]
["NOT MET",null,null,"SGP03","Show location map, scale, and North arrow; Specify district, land lot, parcel number, and property address in title block."]
["NOT MET",null,null,"SGP04","Show name, address, phone number, and email address for Developer & Designer on the Site, Grading & ESC sheets."]
["NOT MET",null,null,"SGP05","Show hand written signature & date across engineers/surveyors seal on all sheets. Final Sets."]
["NOT MET",null,null,"SGP06","Show and label property lines, adjacent owners and parcel numbers, road names, pavement widths and R/W."]
["NOT MET",null,null,"SGP07","Provide a 4\" x 4\" blank area in the lower right of every drawing sheet for Gwinnett County to affix the permit stamp.  Include Gwinnett County Project Number."]
["NOT MET",null,null,"SGP08","Show acreage of the project, including total acreage and disturbed acreage. "]
["NOT MET",null,null,"SGP09","Indicate project scope of work in title or narrative on plans. "]
["NOT MET",null,null,"SGP10","Indicate source of topographic and reference datum (i.e. NGVD 1929, MSL, etc.)."]
["NOT MET",null,null,"SGP11","Show existing and proposed topography at a 2’ contour interval or less.  "]
["NOT MET",null,null,"SGP12","Show acreage of the project, including total acreage and disturbed acreage. "]
["NOT MET",null,null,"SGP13","Indicate project scope of work in title or narrative on plans. "]
["NOT MET",null,null,"SGP14","Number all proposed pipes, existing pipes, and structures on plan."]
["NOT MET",null,null,"SGP15","Show existing and proposed topography at a 2’ contour interval or less.  "]
["NOT MET",null,null,"SGP16","Label 100-year floodplain contour, elevation, floodway and source information."]
["X",null,null,"SWN00","DOT SWM Notes",null,null,null,null,"Reference"]
["NOT MET",null,null,"SWN01","Select appropriate Floodplain Note(s). Either select note a or b and select notes   c and d as applicable.\na. There is no floodplain on this property from a water course with a drainage area exceeding 100 acres or floodplain per FIRM Panel _________ dated _ ___________.\nb. Floodplain on this property from all water courses with a drainage area exceeding 100 acres is shown.\nc. Floodplain shown is from FIRM panel _______ dated ________.\nd. Floodplain shown is from Floodplain study titled ____________ by _______________ dated _______.  Study was done as a part of project number XXX xxxx-xxxxx.  \n"]
["NOT MET",null,null,"SWN02","Select appropriate wetlands note(s).  Select either a or b, if wetlands are being disturbed on the site select note c.      \na. There are no wetlands being disturbed on this site.\nb. All wetlands to be disturbed are delineated on this site.\nc. The wetlands are being disturbed in accordance with permit ___________.  \n"]
["NOT MET",null,null,"SWN03","Select the appropriate SWM note.\na. Storm Water Management for this project is provided on-site.\nb. Storm Water Management for this site is provided off-site in project named _________ with case number XXX xxxx-xxxxx.  \n"]
["NOT MET",null,null,"SWN04","Select appropriate state waters note(s).  Select either a or b and if a state waters buffer is being disturbed on the site select note c.\na. There are no stream buffers on this property.\nb. A 50-foot undisturbed buffer and a 75-foot impervious setback shall be maintained adjacent to all streams.\nc. Stream buffer variance number ____________ was obtained to work in buffer as shown.  \n"]
["NOT MET",null,null,"SWN05","Provide the following note:  Maximum slope for cut or fill is 2H:1V except earthen dam embankments shall be 3H:1V."]
["NOT MET",null,null,"SWN06","Provide the following note: All buffers and tree save areas are to be clearly identified with tree protective fencing prior to commencement of any land disturbance. "]
["NOT MET",null,null,"SWN07","Provide the following note: All construction to comply with Gwinnet County Standards. "]
["NOT MET",null,null,"SWN08","Provide the following note with an  arrow pointing to the access easement, if applicable: STORM WATER MANAGEMENT FACILITY ACCESS EASEMENT TO BE CLEARED AND GRUBBED."]
["NOT MET",null,null,"SWN09","Indicate source of topographic and reference datum (i.e. NGVD 1929, MSL, etc.)."]
["X",null,null,"PCP00","Pipe & Channel Profiles",null,null,null,null,"Reference"]
["NOT MET",null,null,"PCP01","Provide  complete  pipe  chart  indicating  the  following  (include  outlet  control structure outlet pipe also):                 A. Upstream Structure Type (SWCB, DWCB, DI, etc.).                   B. Pipe Numbers/Pipe Structures                                                     C. Pipe size                                                                                                  D. Pipe Length                                                                                           E. Pipe Slope                                                                                              F. Contributing drainage area                                                             G. Design discharge (Q25 for piped drainage; Q100 for culverts)                                                                                                      H. Design storm frequency (25 year for piped drainage; 100 year for culverts)                                                                                         I. Runoff coefficient (per future land use plan and assuming no detention)                                                                                             J. Pipe material/coating                                                                        K. Velocity  (V25   may  not  exceed  non-erosive  velocity  at  outlet  headwall,  unless energy dissipation is provided.) "]
["NOT MET",null,null,"PCP02","Provide complete channel chart indicating the following:      A. Open pipe numbers.                                                                           B. Contributing drainage area.                                                           C. Runoff coefficient (per future land use plan and assuming no detention)                                                                                  D. Conveyance size.                                                                                     E. Lining material (riprap, grouted riprap, sod, or erosion control blanket, etc.)                                                                              F. Channel length.                                                                                     G. Channel slope (for minimum and maximum values - Maximum 10%)                                                                                           H. Velocity (V25 may not exceed non-erosive velocity – Maximum 4 fps for sod.)                                                                        I. Design storm frequency (25 year)                                                     J. Design discharge (25 year)                                                                   K. Normal flow depth (25 year). "]
["X",null,null,"SWM00","Stormwater Management Report",null,null,null,null,"Reference"]
["NOT MET",null,null,"SWM01","Stormwater Management Report shall be prepared in accordance with the current Gwinnett County Stormwater Management Manual & the Unified Development Ordinance."]
["NOT MET",null,null,"SWM02","Prior to approval of the report, the applicant shall certify and provide documentation that all other applicable environmental permits have been acquired for the site.   Use Environmental Permit Affidavit form.        \na) NPDES General Permit for Construction (Ga EPD)       \nb) COE 404 Permit (wetlands)  \nc) Ga EPD Stream Buffer Variance "]
["X",null,null,"WQP00","Water Quality Performance"]
["NOT MET",null,null,"WQP01","Water Quality Performance Report shall be prepared in accordance with the current Gwinnett County Stormwater Management Manual & the Unified Development Ordinance"]
["X",null,null,"FSR00","Flood Study Review - Only use if Flood Area on Property"]
["NOT MET",null,null,"FSR01","The flood study shall comply with current Gwinnett County Regulations and Ordinances."]
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["X"]
[]
["MET",null,"EP"]
["NOT MET",null,"CY"]
["N/A",null,"MBR"]
[null,null,"BW"]