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Home My WebLink AboutSW8030229_COMPLIANCE_20140311STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT NO. SW 'S056�A-` DOC TYPE El CURRENT PERMIT ❑ APPROVED PLANS EJ HISTORICAL FILE pCOMPLIANCE EVALUATION INSPECTION DOC DATE o2p�x(3''�GI YYYYMMDD Compliance Inspection Report Permit SW8030229 Effective 03/11/04 Expiration 03/11/14 County Brunswick Region Wilmington Contact Person E Dale Richardson Title Owner Directions to Project Type of Project State Stormwater - HD - Detention Pond Drain Areas 1 - (Allen Creek (Boiling Springs Lake)) (03-06-17) ( B,Sw) On -Site Representative(s) Related Permits Inspection Date 02 I612010 Entry Time 08 50 AM Primary Inspector Vincent Lewis Secondary Inspector(s) Reason for Inspection Routine Permit Inspection Type State Stormwater Facility Status ❑ Compliant ❑ Not Compliant Question Areas 0 State Stormwater (See attachment summary) Owner E Dale Richardson Project E Dale Richardson Land Disturbing Activities NC 87 garage Rd in Brunswick County Southport NC 28461 Phone Exit Time 09 15 AM Phone Inspection Type Compliance Evaluation Page 1 Permit SW8030229 Owner - Project E Dale Richardson Inspection Date 02/15/2010 Inspection Type Compliance Evaluation Reason for Visit Routine Inspection Summary Site not constructed as of 02/15/2010 Flla RAVIAW Yes No NA NE Is the permit active? ■ ❑ ❑ ❑ Signed copy of the Engineer's certification is in the file? 0000 Signed copy of the Operation & Maintenance Agreement is in the file? ■ ❑ ❑ ❑ Copy of the recorded deed restrictions is in the file? ❑ ❑ ■ ❑ Comment Built Upon Area Yes No NA NE Is the site BUA constructed as per the permit and approval plans? ❑ ❑ IN ❑ Is the drainage area as per the permit and approved plans? ❑ ❑ ■ ❑ Is the BUA (as permitted) graded such that the runoff drains to the system? ❑ ❑ ■ ❑ Comment Are the SW measures constructed as per the approved plans? ❑ ❑ ■ ❑ Are the inlets located per the approved plans? ❑ ❑ ■ ❑ Are the outlet structures located per the approved plans? ❑ ❑ ■ Cl Comment Operation and Maintenance Yes No NA NE Are the SW measures being maintained and operated as per the permit requirements? 011011 Are the SW BMP inspection and maintenance records complete and available for review or provided to DWQ ❑ ❑ ■ ❑ upon request? Comment Page 2 / State Stormwater @nspee$ion Report %eneral '• Project Name Permit No SW 3 Expiration Date Contact Person L1 Phone Number Inspection Type t Inspection Date Z /1/ Z a L6 Time In r -6 Time Out Current Weathei Ole- h Recent Rain (Date)2 Ram - in Location Facility Address / Location ✓ c ILat� Long <WCity o Rcs I r r r Permit Information Rule Subject to (circle one) 1988 Coastal Rule 1995 Coastal Rule 2008 Coastal Rule Session Law 2006-246 Goose Creek High Quality Waters Outstanding Resource Waters Density (circle one) igh (HD Low (LD) Stormwater Best Management Practices (BMPs) (insert number of each) Wet Ponds Infiltration Basins Infiltration Trenches Dry Ponds Bioretention Permeable Pavement Cistern Level Spreader/Filter Strip Other (spec) File Review 41) Swales Stormwater Wetlands _Sand filters (circle one) Open Closed Yes, No NIA NIE I Is the permit active? 2 Signed Engineer's Certification on file? 3 Signed Operation and Maintenance agreement on file? 4 Recoided Deed Restiictions on file? Shia Vigat Rm1f 19nnn AirPa 1R[1A1 ITI�->•��l��I��l1,Ili� 5 BUA is constructed and consistent with the ermat re uirements? 6 BUA aspermitted) is graded such that the runoff drains to the system? (high density only) 7 Drainage area is consistent with perrniO i e no un ermitted drainage to the SW BMPs 8 Drainage area is stabilized? (to reduce risk of sedimentation to the SW BMPs) _ 1J Site Visit Stormwater 13MPs Yes No NIA NIE 9 Stormwater BMPs are located per the approvedplans? 10 Stormwater BMPs have dimensions (eg length, width, area matchin the approvedplans? I I Stormwater BMPs are constructed per the approvedplans? (/ Site Visit Operation and Maintenance Yes No NIA NIE 12 Access points to the site are clear and well maintained? 13 Trash has been removed as needed vi�l__ 14 Excessive landscape debris(grass clippmLs, leaves, etc is controlled 15 Stormwater BMPs being operated and maintained as per the pqmit re uirements? 16 Inspection and Maintenance records are available for inspection? (high density.only,1995 - present.only) Site Visit Other Permit Conditions Yes No NIA NIE 17 Is the site compliant with other conditions of the permiO Sate Visit Other Water Quality Issues Yes Nol NIA N/E 1 18 Is the site compliant with other water quality issues as noted durinu the mspection9 I I V I i State Stormwater Inspecoon Report'version 3 0_3 09 Page 1 of i IK State Stormwater 8nspecfl®w Report ft tf k"Je,1,1,41 lk 1f411a JG are - Inspection Pictures (some of the oactures taken during the site Comphance Status 0 Compliant fie' Non -Compliant Letter Sent (clrcle one) Yes No Letter type CEI NOV NOVRE Other Date Sent Refeience Number Inspector Name and Signaturey -M41 e L"If &, Date Z'1 `�%z 616 State Stormwater Inspection Report Version 3 0_3 09 Page 2 of 2 1 AL WET DETENTION O & M Inspection Checklist INLETS and FOREBAY i Inlets are located per the approved plans ❑ 2 Inlet device (swale or pipe) is free of damage, clogs or erosion ❑ ❑ ❑ ❑ 3 Forebay berm is in place and without erosion ❑ ❑ ❑ ❑ 4 Forebay is free of excessive sediment ❑ ❑ ❑ ❑ SIDE SLOPES AND BANKS 5 Vegetated slopes are 3 1 or less ❑ ❑ ❑ ❑ 6 Banks are stable and free of erosion or bare soil ❑ ❑ ❑ ❑ 7 Slopes or berms are free of woody vegetation ❑ ❑ ❑ ❑ 8 Free of muskrats or beaver activity ❑ ❑ ❑ ❑ 9 Grass is being maintained and mowed (not scalped) as required ❑ ❑ ❑ ❑ PEIUMETER AND MAIN BAY 10 Vegetated shelf is 6 1 or 10 1 as permitted and properly vegetated ❑ ❑ ❑ ❑ 11 Algal growth covers less 54% of the area ❑ ❑ ❑ ❑ 12 Cattails, phragmites or other invasive plants cover less than 50% of the basin surface ❑ ❑ ❑ ❑ 13 Main treatment area is free from excess sediment accumulation ❑ ❑ ❑ ❑ OUTLETS 14 Swale or emergency outlet bypass is in the correct place and is in good condition ❑ ❑ ❑ ❑ 15 Drawdown device is correctly sized free of damage or clogging ❑ ❑ ❑ ❑ 16 Orifice size matches the approved plans ❑ ❑ ❑ ❑ 17 Outlet is free of erosion or other signs of damage ❑ ❑ ❑ ❑ 18 Trash rack is installed ❑ ❑ ❑ ❑ 19 Vegetated filter is in place (if applicable) ❑ ❑ ❑ ❑ 20 Relative elevations match approved plans ❑ ❑ ❑ ❑ 21 Founta►n pump (if permitted) is less than or equal to the maximum allowable size ❑ ❑ ❑ ❑ V3 3_09 • Dale Richardson Property Boiling Springs Lake, NC Revised 12/27/03 Drainage Area sq ft acres Inflow 1 55 757 128 Impervious Area Land Use sq ft acres Buildings 2,646 0 06 Parking Area 21,400 049 Total 24 046 055 Detention Pond Design (Dry Detention) Pond Size Elevation Surface Area ft sq ft Bottom of Pond 930 840 Elevation 94 940 1,380 Elevation 95 950 2,340 ,Top of Bank 960 3 250 % Impervious' = 0 431 = 43 1 % Runoff Coefficient (Schueler) Rv = 0 05 + 0 009(l) where I = Percent Impervious of Drainage Area Rv = 0 4381392 State Volume Required for Storage Runoff from 1st 1" of Rainfall Volume = [i" X (1l12) X (DA) X (Rv)} = 2 036 cu ft 777:�] Required Sediment Storage Volume Required Sediment Volume Volume = 20% of Runoff Storage Volume 407 cu ft Total Volume Required Runoff Volume + Sediment Volume Volume = 2 443 cu ft RECEIVED JAN 0 9 2004 DWQ pROJ0 of 030ZZR ,�A CAROMS''. SEAL a 024400 �TY wrw'V y '� L�ti�C``,�� Page 1 of 2 Determine Elevation of Control Orifice and Estimated Head Under 1" Rainfall Required 1"Volume 2,036 Cu Feet Sediment Volume 407 Cu Feet Total Volume Req'd 2,443 Cu Feet Elevation feet) _ Basin SA @ Elev (Sq Feet Basin Incr Vol Cu Feet Total Stored Vol Cu Feet 930 840 0 0 931 894 87 87 932 948 92 179 933 1 002 98 276 934 1 056 103 379 935 1,110 108 488 936 1 164 114 601 937 1 218 119 720 938 1 272 125 845 939 1 326 130 975 940 1 380 135 1 110 941 1 476 143 1,253 942 1 572 152 1 405 943 1,668 162 1 567 944 1 764 172 1,739 945 1 860 181 1920 946 1,956 191 2 111 947 2052 200 2 311 948 2 148 210 2 521 949 2 244 220 2 741 950 2,340 229 2,970 951 2 431 239 3209 952 2 522 248 3 456 953 2,613 267 3 713 954 2 704 266 3 979 9551 2,7951 238 4,216 Outlet Structure Design Flow for 2-day drawdown of 1 st i" of stormwater Q = Required 1" Volume 1 172,800 sec = 0 0118 cfs Required Area of Pipe for 2-dav drawdown (1" A= QI[Cd XSQRT(2XgXh)] Cd = 065 g = 32 2 ft1sec2 h = (1" F P Elev - Orifice Elev) / 2 065 A = 0 00280138 sq It Diameter of Pipe for 2-day Drawdown DIA = SQRT[(A X 4)1 pi] 0 06 feet = 0 72 inches *Use 0 5 Inch Diameter Orifice Set Orifice at El 93 5 to Provide r Min Req'd Sediment Storage Elevation is approximately 94 8 For Total Volume Storage (1" Flood Pool Elevation) 4 C�L Flow for 5-day drawdown of 1st 1" of stormwater Q = Required 1" Volume 1432 000 sec = 0 0047 cfs Required Area of Pipe for 5-dav drawdown (1" A= Q/(Cd XSQRT(2XgXh)] Cd = 065 g = 32 2 ftlsec2 h = (1" F P Elev - Onfice Elev) / 2 = 065 A= 0001121 sq ft Diameter of Pipe for 5-day Drawdown DIA = SQRT[(A X 4)1 pi] = 0 04 feet = 0 45 inches Page 2 of 2 STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT S21DOM NO. SW DOC TYPE ❑CURRENT PERMIT ❑ APPROVED PLANS 0• HISTORICAL FILE III COMPLIANCE EVALUATION INSPECTION DOC DATE Z5?/J/4[J7iCI YYWMMDD Compliance Inspection Report Permit SW8030229 Effective 03/11/04 Expiration 03/11/14 County Brunswick Region Wilmington Contact Person E Dale Richardson Title Owner Directions to Project Type of Project State Stormwater - HD - Detention Pond Draln Areas 1 - (Allen Creek (Boding Springs Lake)) (03-06-17 } ( B,Sw) On -Site Representative(s) Related Permits Inspection Date 02/15/2010 Entry Tlme 08 50 AM Primary Inspector Vincent Lewis Secondary Inspector(s) Reason for Inspection Routine Permit Inspection Type StateStormwater Facility Status El Compliant ❑ Not Compliant Questlon Areas 0 State Stormwater (See attachment summary) Owner E Dale Richardson Project E Dale Richardson Land Disturbing Activities NC 87 garage Rd in Brunswick County Southport NC 28461 Phone Exit Time 09 15 AM Phone Inspection Type Compliance Evaluation Page 1 Permit SW8030229 Owner - Project E Dale Richardson Inspection Data 02/15/2010 Inspection Type Compliance Evaluation Reason for Visit Routine Inspection Summary Site not constructed as of 02/15/2010 File Review Yes No NA NE Is the permit active? 0000 Signed copy of the Engineer's certification is in the file? ❑ ❑ ■ ❑ Signed copy of the Operation & Maintenance Agreement is in the file? ■ ❑ ❑ ❑ Copy of the recorded deed restrictions is in the file? ❑ ❑ ■ ❑ Comment Built Upon Area Yes No NA NE Is the site BUA constructed as per the permit and approval plans? ❑ ❑ ■ ❑ Is the drainage area as per the permit and approved plans? ❑ ❑ ■ ❑ Is the BUA (as permitted) graded such that the runoff drains to the system? ❑ ❑ ■ ❑ Comment .�..... Vwe U— UA UC Are the SW measures constructed as per the approved plans? ❑ Cl ■ ❑ Are the inlets located per the approved plans? ❑ ❑ ■ ❑ Are the outlet structures located per the approved plans? ❑ ❑ ■ ❑ Comment Operation and Maintenance Yes No NA NE Are the SW measures being maintained and operated as per the permit requirements? ❑ ❑ ■ ❑ Are the SW BMP inspection and maintenance records complete and available for review or provided to DWQ ❑ ❑ ■ ❑ upon request? Comment Page 2 r � / , State Storfr water Inspectoon Report r;pnara@ Protect Name lUj Permit No SW b3 Ow Expiration Date S( Contact Person Wt Phone Number Inspection Type Inspection Date �„ I I� Z 6 Time In U Time Out l Curient Weathei Recent Ram (Date)? Ram — in Location Facility Address / Location f // I - City �G i / e 1 Zip Co�ity�fti, cY Lat 7 ° �it ` "N Long -2g Vb9«W Permit Information Rule Subject to (circle one) 1988 Coastal Rule 1995 Coastal Rule 2008 Coastal Rule Session Law 2006-246 Goose Creek High Quality Waters Outstanding Resource Waters Density (circle one) 6iiHDpLow (LD) Stormwater Best Management Practices (BMPs) (insert number of each) i / Wet Ponds Infiltration Basins infiltration Trenches y LD Swales Storinwatei Wetlands Dry Ponds Bioretention Permeable Pavement Sand filters (circle one) Open Closed Cistern Level Spreader/Fthei Strip Other (specify) File Review Yesr No NIA NIIE I Is the erinrt active? 2 Signed En meer's Certification on file? 3 Signed Operation and Maintenance agreement on file? 4 Recorded Deed Restrictions on file9 Site Visit Built Unon Area IBUAI Yes No NIA NIE 5 BUA is constructed and consistent with the pennit requirements? 6 BUA aspermitted) is graded such that the runoff drains to the system? (high density onlyJ 7 Drainage area is consistent withpermit? 0 e no un ermitted drainage to the SW BMPs 8 Drainage area is stabtlize0 to reduce risk of sedimentation to the SW BMPs L) Site Visit Stormwater BMPs Yes No NIA N/E 9 Stormwater BMPs are located per the approvedplans? 10 Stormwater BMPs have dimensions (eg length, width, area matching_the approvedplans? V 1 I Stormwater BMPs are constructed er the a roved plans9 (/ Site Visit Oneration and Bilaintonanep Yps No / NIA NIE 12 Access gomts to the site are clear and well maintained? 13 Ti ash has been removed as needed? 14 Excessive landscape debris(grass clippings, leaves, etc is coati olled9 15 Stormwater BMPs being operated and maintained as per the permit requirements? 16 Inspection and Maintenance records are available for inspection? hi h densi only, 1995 — present only) Site Visit Other Permit Conditions Yes Noy NIA NIE 17 Is the site coin leant with other conditions of thepermit? Site Visit Other Water Quality Issues Yes No/ N/A NIB 1 18 Is the site compliant with other water duality issues as noted durine the inspection? I I v I 1 I State Stormwater Inspeetzo:i Report Version 3 0_3-09 Page i of 2 19 OL State Stormwaterr Inspectuon Report In �11,6 Q U,5 , �9�ifsl�I e of the pictures taken durinq the site Compliance Status 0 Compliant v Letter Sent (circle one) Yes No Letter type CEI Non -Compliant NOV NOVRE Other Date Sent Reference Number Inspector Name and Stgnature� hx—u ze-. ,-�s _ e4me.W Date State Stoimwater Inspection Report Version 3 0_3-09 Page 2 of 4 AL WET DETENTION O & M Inspection Checklist INLETS and FORESAY 1 Inlets are located per the approved plans 0 ❑ 2 Inlet device (swale or pipe) is free of damage, clogs or erosion ❑ ❑ ❑ ❑ 3 Forebay berm is in place and without erosion ❑ ❑ ❑ ❑ 4 Forebay is free of excessive sediment ❑ ❑ ❑ ❑ SIDE SLOPES AND BANKS 5 Vegetated slopes are 3 1 or less ❑ ❑ ❑ ❑ 6 Banks are stable and free of erosion or bare sod ❑ ❑ ❑ ❑ 7 Slopes or berms are free of woody vegetation ❑ ❑ ❑ ❑ 8 Free of muskrats or beaver activity ❑ ❑ ❑ ❑ 9 Grass is being maintained and mowed (not scalped) as required ❑ ❑ ❑ ❑ PERIMETER AND MAIN BAY 10 Vegetated shelf is 6 1 or 10 1 as permitted and properly vegetated ❑ ❑ ❑ ❑ 11 Algal growth covers less 50% of the area ❑ ❑ ❑ ❑ 12 Cattails, phragmites or other invasive plants cover less than 50% of the basin surface ❑ ❑ ❑ ❑ 13 Main treatment area is free from excess sediment accumulation ❑ ❑ ❑ ❑ OUTLETS 14 Swale or emergency outlet bypass is in the correct place and is in good condition ❑ ❑ ❑ ❑ 15 Drawdown device is correctly sized free of damage or clogging ❑ ❑ ❑ ❑ 16 Orifice size matches the approved plans ❑ ❑ ❑ ❑ 17 Outlet is free of erosion or other signs of damage ❑ ❑ ❑ ❑ 18 Trash rack is installed ❑ ❑ ❑ ❑ 19 Vegetated filter is in place (if applicable) ❑ ❑ ❑ ❑ 20 Relative elevations match approved plans ❑ ❑ ❑ ❑ 21 Fountain pump (if permitted) is less than or equal to the maximum allowable size ❑ ❑ ❑ ❑ V3 3_09 r Dale Richardson Property Bolling Springs Lake, NC Revised 12I27103 Drainacte—Area sq ft acres inflow 1 55,757 128 Impervious Area Land Use sq ft acres BuildincIs 2 646 006 Parking Area 21,400 049 Total 24 046 055 Detention Pond Design (Dry Detention) Pond Size Elevation Surface Area ft ) — - - - Asq ft Bottom of Pond 930 840 Elevation 94 940 1 380 Elevation 95 950 2 340 Fop of Bank 960 3,250 % Impervious' = 0 431 43 1 % Runoff Coefficient (Schueler) Rv = 0 05 + 0 009(1) where I = Percent Impervious of Drainage Area Rv = 0 4381392 State Volume Required for Storage Runoff from 1sl 1" of Rainfall Volume = [i" X (1l12) X (DA) X (Rv)] L— 2,036 cu ft Required Sediment Stora a Volume Required Sediment Volume Volume = 20% of Runoff Storage Volume 407 cu ft Total Volume Required Runoff Volume + Sediment Volume Volume = 2 443 cu ft RECEIVED JAN 0 9 2004 DWQ PRQJ # 5�k0 30ZZR ,'`�t4tltlflt!!�l �AR0��''% .y !I '�Q40FESSIp��9 SEAL 824404 GINIE Lt ,. 7 � P6r Page 1 of 2 Determine Elevation of Control Onfice and Estimated Head Under 1" Rainfall Required 1" Volume 2 036 Cu Feet Sediment Volume 407 Cu Feet Total Volume Req'd 2 443 Cu Feet Elevation Feet) Basin SA @ Elev (Sq Feet Basin Incr Vol Cu Feet Total Stored Vol Cu Feet 930 840 0 0 931 894 87 87 932 948 92 179 933 1,002 98 276 934 1 056 103 379 935 1 110 108 488 936 1 164 114 601 937 1 218 119 720 938 1,272 125 845 939 1 326 130 975 940 1 380 135 1,110 941 1,476 143 1 253 942 1,572 152 1,405 943 1 668 162 1 567 944 1,764 172 1 739 945 1,860 181 1,920 946 1,956 191 2 111 947 2,052 200 2 311 94 B 2,14E 210 2,521 949 2,244 220 2 741 950 2 340 229 2 970 951 2 431 239 3209 952 2 522 248 3,456 953 2 613 257 3,713 954 2 704 266 3 979 9551 2,7951 238 4 216 Outlet Structure Design Flow for 2-day drawdown of 1st 1" of stormwater Q T Required 1" Volume! 172,800 sec 0 0118 cfs Required Area of Pipe for 2-dav drawdown (1" A= QI[Cd XSQRT(2X9Xh)] Cd = 065 g = 32 2 ftlsec2 h = (V F P Elev - Orifice Elev)12 = 065 A = 0 002B0138 sq ft Diameter of Pipe for 2-day Drawdown DIA = SQRT((A X 4)1 pi) = 0 06 feet 0 72 inches "'Use 0 5 Inch Diameter Orifice Set Orifice at El 93 5 to Provide Min Req'd Sediment Storage Elevation is approximately 94 8 Ft For Total Volume Storage (1" Flood Pool Elevation) � L Flow for 5-day drawdown of 1 st 1" of stormwater 0 = Required 1" Volume 1432,000 sec - 0 0047 cfs. Required Area Of Pipe for 5-dav drawdown (1" A= O1(Cd XSQRT(2XgXh)] Cd = 065 g = 322 ftlsec2 h = (1" F P Elev - Orifice Elev) 12 = 065 A= 0001121 so ft Diameter of Pipe for 5-day Drawdown DIA = SQRT[(A X 4)1 pi) 0 04 feet 0 45 inches Page 2 of 2