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HomeMy WebLinkAboutSW7120703_APPROVED PLANS_20120725STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT NO. SW '71Z?7M DOC TYPE ❑CURRENT PERMIT gD APPROVED PLANS ❑ HISTORICAL FILE DOC DATE YYYYMMUD w w w w w SITE DATA: LOT AREA: EXISTING IMPERVIOUS AREA: PROPERTY ADDRESS: PROPOSED LAND USAGE: OWNER: DEVELOPER/LEASES: REFERENCES: 4.73 ACRES (LOT 3) 12.31 ACRES (LOT 4) 61,423 SFf (1.41 AC.±) INDUSTRIAL PARK ROAD INDUSTRIAL COMMERCIAL READY MIX PRODUCTS, INC. 251 NC 45 SOUTH COFIELD, NC 27922 S.T. WOOTEN CORPORATION 3501 BLACK CREEK ROAD PO BOX 2408 WILSON, NC 27894 DEED BOOK 597 PAGE 269 DEED BOOK 724 PAGE 155 PLAT CABINET 1 PAGE 65E NOTES: AREAS COMPUTED BY COORDINATE CALCULATIONS ALL DISTANCES SHOWN ARE HORIZONTAL ALL RIGHT OF WAYS ARE PUBLIC UNLESS NOTED OTHERWISE THIS IS NOT A BOUNDARY SURVEY. THIS PROPERTY 1S SUBJECT TO ALL EASEMENTS, RESTRICTIONS, RIGHTS -OF -WAY, UTILITIES OF RECORD, AND AGREEMENTS, IF ANY, AS THE SAME MAY APPEAR IN PUBLIC RECORDS IN THE OFFICE OF THE REGISTER OF DEEDS, CLERK OF COURT, TOWN OR COUNTY TAX OFFICES OR WHICH MAY HAVE BEEN ACQUIRED BY PRESCRIPTIVE USE. THE UTILITY LOCATIONS SHOWN ON THIS MAP ARE APPROXIMATE ONLY AND ARE NOT RELIABLE FOR CONSTRUCTION PURPOSES. FOR ACTUAL FIELD LOCATIONS, CALL USA 1-800-632-4949. BARTLETT ENGINEERING HAS NOT SUBMITTED THIS PLAN TO ANY LOCAL GOVERNING REVIEW AGENCY FOR ZONING OR SITE PLAN APPROVAL. ALL INFORMATION SHOWN HAS BEEN COMPILED FROM A COMBINATION OF GIS DATA AND INFORMATION TAKEN FROM MAPS AND DEEDS BY OTHERS. NO ACTUAL FIELD SURVEY HAS BEEN PERFORMED BY BARTLETT ENGINEERING & SURVEYING, PC AT THIS TIME. NO WETLANDS WERE DELINEATED WITHIN THE PROJECT AREA. SOILS AND SHWT' ELEVATION EVALUATED BY HAL OWEN & ASSOCIATES, INC. LEGEND 0 EXISTING POWER POLE EXISTING HYDRANT --OHE— EXISTING OVERHEAD ELECTRIC -- 63-- EXISTING CONTOURS — EXISTING TREE LINE GRAPHIC SCALE 50 0 30 60 120 240 ( IN FEET ) I inch = 60 ft. N/F DONNA HURDLE DR 658 PG 608 6906--17-7305 BARTLETT A ENGINEERING & SURVEYING, PC - SEAL �= S s Ir ; 1906 NASH STREET NORTH TELE: (252) 399-0704 S 2010fi ' my > WiLSON, N.C. 27893-1726 FAX: (252) 399-0804 LICENSE# C-1551 www.bartlett.us.com 11411 top �T N/F MAKE W. JDRDAN ESTATE WILLIAM M. JDRDAN III PATRICIA JDRDAN REA DR 467 PG 468 6906-19-9671 EXISTING coNDMONS \ N/F \ COMMERCIAL READY MIX PRODUCTS INC. D8 597 PG 259 PC 1 PG 78J 69136--38-7898 , 1 I I I I / 1 I 1 1 I 3 730 � 6 �88-5472) 1 POWER Box � \ POWER %--o 1 ON I >I 1000 HYDRANT N732g49 LPL'``-- \ -- 99 , .. . / ,1 .: \ I':' , f .. ., r ' / 1 E CISTINC 4{NE . N• - ':' 1 1! ! 11 ev !.':':':':':'.�..'''.' ': l': ' /l :: � 1 .:-I �''� !✓ ' Ill Q A . .. 1 1 J 1 �,99°ll r r N/F !' ' (HERTFORD COUNTY D6 390 PG 513 ' 6906-37-9668 f ' I I ! I l 1 ► 1 I 1 ) Vli��ol � l f f l � rlr WINTON PLANT SITE INDUSTRIAL PARK ROAD HERTFORD COUNTY, NORTH CAROLINA DATE: FEB. 2012 SCALE: 1 " = 501 REVISIONS: PROJECT: 12-017 CLIENT CODE: STW CADFILE: 12017SP1 FIELD BOOK: DPAWN BY: LR SURVEY BY: TB, CN WINTON TOWNSHIP NORTH CAROLINA PIN # LOCATION MAP NOT TO SCALE HERTFORD ' COUNTY ZONE: SHEET SP1. �o t 9 �l L/�ns QB��e�� � ab w r 1 , , ,- zr ; r l,zi 1'�: T. E ,•s � i S r t r ,1 r 5' r � 4b 1 1 { SITE DATA: LOT AREA: EXISTING IMPERVIOUS AREA: PROPERTY ADDRESS: PROPOSED LAND USAGE: OWNER: DEVELOPERAEASEE: REFERENCES: 4.73 ACRES (LOT 3) 12.31 ACRES (LOT 4) 61,423 SFf (1.41 AC.f) INDUSTRIAL PARK ROAD INDUSTRIAL COMMERCIAL READY MIX PRODUCTS, INC. 251 NC 45 SOUTH COFIELD, NC 27922 S.T. WOOTEN CORPORATION 3801 BLACK CREEK ROAD PO BOX 2408 WILSON, NC 27894 DEED BOOK 597 PAGE 269 DEED BOOK 724 PAGE 155 PLAT CABINET 1 PAGE 65E NOTES: AREAS COMPUTED BY COORDINATE CALCULATIONS ALL DISTANCES SHOWN ARE HORIZONTAL ALL RIGHT OF WAYS ARE PUBLIC UNLESS NOTED OTHERWISE THIS IS NOT A BOUNDARY SURVEY. THIS PROPERTY IS SUBJECT TO ALL EASEMENTS, RESTRICTIONS, RIGHTS —OF —WAY, UTILITIES OF RECORD, AND AGREEMENTS, IF ANY, AS THE SAME MAY APPEAR IN PUBLIC RECORDS IN THE OFFICE OF THE REGISTER OF DEEDS, CLERK OF COURT, TOWN OR COUNTY TAX OFFICES OR WHICH MAY HAVE BEEN ACOUIRED BY PRESCRIPTIVE USE. THE UTILITY LOCATIONS SHOWN ON THIS MAP ARE APPROXIMATE ONLY AND ARE NOT RELIABLE FOR CONSTRUCTION PURPOSES. FOR ACTUAL FIELD LOCATIONS, CALL USA 1-800-632-4949. BARTLETT ENGINEERING HAS NOT SUBMITTED THIS PLAN TO ANY LOCAL GOVERNING REVIEW AGENCY FOR ZONING OR SITE PLAN APPROVAL. ALL INFORMATION SHOWN HAS BEEN COMPILED FROM A COMBINATION OF CIS DATA AND INFORMATION TAKEN FROM MAPS AND DEEDS BY OTHERS. NO ACTUAL FIELD SURVEY HAS BEEN PERFORMED BY BARTLETT ENGINEERING & SURVEYING, PC AT THIS TIME. NO WETLANDS WERE DELINEATED WITHIN THE PROJECT AREA. SOILS AND SHWT ELEVATION EVALUATED BY HAL OWEN & ASSOCIATES, INC. GRAVEL DRIVE AREA MATERIAL STOCKPILE AREA LEGEND 0 EXISTING POWER POLE EXISTING HYDRANT —OHE— EXISTING OVERHEAD ELECTRIC --ea-- EXISTING CONTOURS —-� EXISTING TREE LINE 50 GRAPHIC SCALE 0 25 so 100 200 ( IN FEET ) 1 inch = 50 ft. BARTLETT N/F DONNA HURDLE OB 658 PG 508 6906-17-73D5 PIPE B 12" RCP 1y ,,9 ENGINEERING & SURVEYING, PC =�` ~SEAL 20106 1906 NASH STREET NORTH TELE: 252 399-0704 k, WIU EN/SEA C �1551-1726 FAX: w Cw bart ett us. com �,,��FRP S. S i+11111/11�7 0 W f \ ✓" \ a z Lu af > LL1 U) /x Z MATERIAL"STOCKPIL�dRFA > \ V / .r yI' / x >" PROPOSED GRAVEL DRIVE V BMP EASEMENT _ Q MAINTENANCE !0 ACCESS FOREBAY# 1 I ��? . . STORMWATER POND OUTLET STRUCTURE FOREBAY#2 .......j... O.. SITE PLAN 54.9 FIELD op PROPOSED GRAVEL DRIVE r ! �S3 I I ! 1 w� ! 3 4.73 AC / PIN: 6906-38-5472) 11 ! POWER BOX / POWER POLE � N I a• � I N h I I I / LOCATION MAP NOT TO SCALE 6.00 10.00 10.00 9.00 LAY DOWN. ,_ r C AREA o 11 '� ' ' J� TO BMP1 _... at� \I �-- 1 8' PER FT 4 4' Put---- ..... -� .- ..... �. ... 3,1 1. P Fr- �, . l / o - .. .. (a o X ENTRANCE ROAD SECTION 1 1 No Scale L ' L� ' ! N/F 'L ' HERTFORD COUNTY ' DB 390 PG 513 f ' 6906-37-9668 1 � J1 1 ' 1 I I 1� ' 1 !1 WINTON PLANT SITE INDUSTRIAL PARK ROAD HERTFORD COUNTY, NORTH CAROLINA TO BMP 1w a" Mr DATE: FEB. 2012 PROJECT; 12-017 SCALE: 1" - 50, CLIENT CODE: STW CADFILE; 12017SP1 FIELD BOOK: DRAWN BY: JM, RF SURVEY BY: TB, CN REVISIONS: 10.00 i — 6.00 EXIT ROAD SECTION (STA. 13+30.19 TO STA. 15+22.69) No Scale 6.00 10.00 10.00 5.00 7D BMP PER FF. �� I ` P 8' ABC" - - - FT 1 ;, EXIT ROAD SECTION (STA. 17+10.72 TO 19+73.55) No Scale READ SEC77ONS WINTON TOWNSHIP NORTH CAROLINA PIN # HERTFORD COUNTY ZONE: SHEET SP2 --CADD\- QL D v1. . 1 F- n ...♦ nl_i .Il 1 �. ..�i .- e' � .. .i - i tl. .. .. 4'. .! i�..f!�.1 . � .IK'1 ..1i IA{ (/'I .�1 ::,.,li 1,.111.i •r ..' ij _ _. .l'• 5' t, 1 t 'i. 1 {. . 't T: '�'= it ;,'I. �Ir- ^d^, +'-. LIMITS OF DISTURBANCE N/F DONNA HURDLE OB $58 PG 608 6906-17-7305 SILT PIPE B 12" RCP DISSIPATOR PAD 'B' EMERGENCY SPILI (SEE DETAIL) ATTACH SKIMMER TO OUTLET STRUCTURE (SEE DETAIL) LEGEND 0 EXISTING POWER POLE -0 EXISTING HYDRANT -oHE--- EXISTING OVERHEAD ELEC -- ss-- EXISTING CONTOURS -� EXISTING TREE LINE BARTLETT ENGINEERING & SURVEYING, PC t� 1906 NASH STREET NORTH TELE: (252) 399-0704 `fi ks 'F ' ` WILSON, N.C. 27893-1726 FAX: {252} 399-0804 LICENSE# C-1551 www.bartlett.us.com ` � pl Ilrrrlr4 sEALn 20106 _- A; 0mFcr LIMITS OF DISTURBANCE GRAPHIC SCALE 50 100 ( IN FEET) 1 inch = 50 ft. SILT FENCE GRADING AND 0SION & SEDIME CONTROL PLAN -o d IHERTFORDFCOUNTY DB 390 PG 513 l f I 6906-37-9668 , l ! l !11 1 l I ' 1 1 I 1/ } ! I ' I1 4 ! ' 1 11 1 ! ' Ivl ' 1 1 �r ' ! i 1 ! 1 / - ` /- %. r r� r 1 / r r� / 'l 1 , Ir r P,65LEfV ! Ali ' HYDRANT ! I � - TEMPORARY CONSTRUCTION ENTRANCE LIMITS OF DISTURBANCE: 11.20 ACRES EROSION CONTROL LEGEND ELEV - - - - EXISTING CONTOUR ELEv PROPOSED CONTOUR -•-•-•- LIMITS OF DISTURBANCE -x--°x-- SILT FENCE °°°°°° ROCK CHECK DAM vev°° Qd OUTLET PROTECTION CONSTRUCTION ENTRANCE/EXIT TEMP. SEDIMENT SKIMMER BASIN (TSSB) ® MATTING/TEMPORARY LINER (TO BE USED IN ALL PROPOSED SWALES AND DISTURBED DITCHES) -�- DRAINAGE FLOW ARROW LOCATION MAP NOT TO SCALE DISSIPATOR PAD/OUTLET PROTECTION SCHEDULE (NYDOT METHOD) _ NUMBER I APRON APRON STONE D60 LOCATION Q(full) Q(10) V(full) V(10) I PIPEDIA.1 OF PIPES I LENGTH2 WIDTH' CLASS DEPTH4 STONE SOIL _ PIPE OUTLET CFS CFS FPS FPS INCHES ZONE j M I (La) FEETI FEET ISTONE INCHES SIZE TYPE 1 �1 B -I 3,56 3.14 1 4.53 4.00 1 12 1 4 1 4 1 4 A 18 2"-6" Lf DITCH CALCULATIONS -FULLY VEGETATED CHANNELS 10 YEAR DESIGN STORM (n VALUES OBTAINED FROM CHART 8.05c OF THE NC EROSION AND SEDIMENT CONTROL PLANNING AND DESIGN MANUAL) n LOCATION PERM DRAINAGE C REQUIRED DITCH I BOTTOM FLOW SIDE FLOW WETTED HYDRAULIC MANN. ACTUAL TOP CHANNEL SHEAR VR FROM CHART LINER AREA COEFF FLOW SLOPE WIDTH DEPTH SLOPE AREA PERIMETER RADIUS VEL, CAPACTTY WIDTH TOP WIDTH STRESS i (RXV) 8.05C REQUIRED ACRES Q s d l y M A P R V Q W (FREEBOARD=0.5') (Ibs/sq.ft.) p8.05.07 SWALE#4 NO 1.23 0.80 7.42 0.0030 0 1.61 3 1 7.77 10.18 0.76 0.9E 1 7.42 9.66 1 Z66 0.30 0.73 0.07 SWALE#3 NO 1.63 0.80 9.83 0.0030 0 1.72 3 1 8.91 10.90 0.82 1.10 9.83 10.34 13.34 0.32 0.90 0.06 SWALE#2 NO 4.8 0.64 23.17 0.0037 1 1.86 3 1 12.27 12.78 0.96 1.89 23.17 12.17 15.17 0.43 1.81 0.05 SWALE#1 NO 2.65 0.47 9.39 0,0050 1 , 1.3E 1 3 6.91 9-6D 0.72 1.36 9.39 9.16 12.16 0.42 0.98 1 0.06 STORM DRAIN SCHEDULE 10-YEAR STORM) n = 0.013 FROM TO PIPE RUN _ INLET AREA INLET AREA _ A _ TOTAL I AREA I tc TIME OF I- GONC -j 1 INTO Cc RUNOFF COEFF Q10 I DSCHRG SLOPE Dthso SIZE VfUll Qfull LENGTH PIPE SEGMENT TIME UPPER INVERT I LOWER INVERT (SF) (ACRES) (ACRES) (MIN) r (INJ1iR) F (CFS) (FT/FT) (INCHES) (INCHES) (FT/SEC) (CFS) (FT) (MIN) SWALE#31 POND OUTLET SWALE#2 A B 28833.25 I NA 0.62 NA 0.62 NA 5.0 NA 7.54 F NA 0.80 NA 3.72 3.14 0.0030 1 0.0100 15.3 11.4 15 1 12 2.9 1 4.5 3.5 1 3.6 46 40 0.3 0.1 1 98.43 1 96.40 1 98.29 1 96.00 DITCH CALCULATIONS_- 10-YEAR DESIGN STORM n= 0.015 to I LOCATION DRAINAGE AREA TIME OF CONC INTENSITY I RUNOFF COEFFICIENT REQUIRID FLOW DITCH SLOPE 1130TTOMI I WIDTH FLOW DEPTH I SIDE SLOPE I FLOW AREA WETTED PERIMETER HYDRAULIC RADIUS MANN. VEL. ACTUAL CAPACITY TOP WIDTH SHEAR STRESS PERM. LINER TEMP. LINER TEMPORARY LINERTYPE ACRES 1 (MIN) (UHR) C 0 s d y M A I P R V Q W I (Ibs/sq.ft.) REQUIRE] I REQUIRED] SWALE#4 1.23 5.00 7.54 0.80 _ 7.42 0.0030 1 0 0.8971 3 2.411 5.67 0.43 3.08 7.42 5.38 1 0.17 NO YES JUTE NET SWALE#3 1.63 5.00 7.54 0.80 SA3 0.0030 0 0.996 3 2.98 6.30 0.47 3.30 9.83 5.98 0.19 NO YES JUTE NET SWALE#2 4.80 5.00 7.54 0.64 23.17 0.0037 1 1165 3 5.24 8.37 0.63 4.42 23.17 7.99 0.27 YES YES JUTE NET SWALE#1 2.65 5.00 7.54 0.47 9.39 0.0050 1 0.740 3 2,391 5.68 0.42 3.94 9.39 5.44 0.23 NO YES JUTE NET `SEE FULLY VEGETATED SWALE CALCULATIONS FOR PERMANENT LINER NEEDS TEMPORARY SEDIMENT BASIN SCHEDULE SK TOTAL DISTURBED To Cc 1(10YR) I REQ WEIR PROP REQ PROP 'PROP BAFFLE PLACEMENT SKIMMER ORIFICE DEWATERING BASIN AREA AREA RUNOFFINTENSTTY Q-10 SURFACE LENGTH WIDTH DEPTH LENGTH BAFFLES URFA VOL SIDE SLOPE VOLUME (MEASURED FROM NFLOW END) SIZE SIZE 71ME SB# ACRES ACRES MIN I COEFF [WHIR CFS SQ FT FT FT FT FT REQ I SQ FT I CF FT/Fr CF BAFFLEI IBAFFLE21BAFFLE3 IN N. DAYS 1 1 10.53 10.53 1 6.00 1 0,59 1 7.54 1 46.84 1 20377 1 NA I NA 1 3.0 1 44 1 YES 1 57969 1 18954 1 3:1 1 55041 j NA NA I NA 1 4.0 I 3.00 I 4.86 'MNIMUM WEIR WIDTH = 4' I ]­ I 1 I I 'Volume calculated is above permanent pool elevation 97.0' "REQUIRE] VOLUMED 61800 CU FVDISTURBED ACRE I I I I I . ­ - I ... NOTE: SILT FENCE TO EXTEND ALONG BOTH PERIMETER SWALES/DITCHES AND OUTSIDE OF DETENTION POND/TST AND BELOW ANY STOCKPILE AREAS. NOTE: ANY FILL OR BORROW MATERIAL BROUGHT ONSITE MUST BE FROM A PERMITTED SITE AND ANY WASTE MATERIALS REMOVED FROM THE SITE MUST BE DISPOSED OF AT A PERMITTED SITE. CONSTRUCTION SEQUENCE: 1, OBTAIN PLAN APPROVAL BEFORE STARTING PROJECT, DO NOT START CONSTRUCTION UNTIL PLAN IS APPROVED. NOTIFY NC DENR AT 252-945-6481 OF START DATE. . 2. INSTALL APPLICABLE E&S CONTROL MEASURES PRIOR TO ONSET OF ANY LAND DISTURBING (INCLUDING DEMOLITION) ACTIVITIES. S. INSTALL CONSTRUCTION ENTRANCE AND PERIMETER SILT FENCE (SILT FENCE TO ALSO BE OVER AND AROUND BOTH ENDS OF CROSSPIPE AND AS NEEDED). 4, BEGIN CLEARING ALONG PATH/DRIVE AND AREAS WHERE EROSION CONTROL MEASURES ARE SHOWN, 5. CONSTRUCT TEMPORARY SEDIMENT BASIN#1 (FUTURE STORM WATER POND) WITH SKIMMER TO APPROPRIATE DEPTH AND DIMENSIONS INCLUDING FOREBAYS. CONSTRUCT SWALES #1, #2 & #3. EARTH BERMS ARE TO BE STABILIZED WHEN BUILT, INSTALL SILT FENCE OVER AND AROUND PIPE INLETS AND OUTLETS. INSTALL TEMPORARY MATTING IN ALL DIVERSIONS/$WALES. 6, PROCEED WITH GRADING AND OTHER CONSTRUCTION ACTIVITIES. 7, AFTER GRADING 15 COMPLETED, TOPSOIL STOCKPILE AND WASTE AREAS TO BE REMOVED AND AREA STABILIZED. 8. WHEN CONSTRUCTION IS COMPLETE AND ALL DISTURBED AREAS ARE STABILIZED COMPLETELY, INCLUDING WASTE PILES, REMOVE TEMPORARY MEASURES, REPLACE SKIMMER WITH SUBMERGED ORIFICE OUTLET (SEE OUTLET STRUCTURE DETAILS ON SHEET DTI) AND REMOVE SEDIMENTS INSIDE TEMPORARY SEDIMENT BASIN #1(POND) AND COMPLETE CONSTRUCTION TO DESIGNED DIMENSIONS. 9. GROUND COVER TO BE ESTABLISHED ON PERIMETER AREAS AND SLOPES GREATER THAN 3:1 WITHIN 7 DAYS OR SOONER FOLLOWING COMPLETION OF ANY PHASE OF GRADING, GROUND STABILIZATION ON OTHER AREAS MUST BE WITHIN 14 DAYS. 10. ALL APPLICABLE E&S CONTROL MEASURES TO BE PROPERLY MAINTAINED UNTIL A VIGOROUS STAND OF PERMANENT VEGETATION IS ESTABLISHED. WINTON PLANT SITE INDUSTRIAL PARK ROAD HERTFORD COUNTY, NORTH CAROLINA STANDARD EROSION CONTROL NOTES: THE CONTRACTOR IS RESPONSIBLE FOR COMPLYING WITH THE NPDES PHASE II REQUIREMENTS. REQUIREMENTS INCLUDE, BUT NOT LIMITED TO THE FOLLOWING: 1, IMPLEMENT THE APPROVED EROSION AND SEDIMENTATION CONTROL PLAN AND KEEP A COPY OF THE PLAN ON SITE. DEVIATION FROM THE APPROVED EROSION AND SEDIMENTATION CONTROL PLAN WILL BE CONSIDERED A VIOLATION OF THE FEDERAL NPDES GENERAL PERMIT. 2. PREVENT SPILLING OF FUELS, LUBRICANTS, COOLANTS, HYDRAULIC FLUIDS, AND ANY OTHER PETROLEUM PRODUCTS ONTO THE GROUND OR INTO SURFACE WATERS, DISPOSE OF SPENT FLUIDS APPROPRIATELY. 3. USE HERBICIDES, PESTICIDES, AND FERTILIZER IN A MANNER CONSISTENT WITH THE FEDERAL INSECTICIDE, FUNGICIDE AND RODENTICIDE ACT AND IN ACCORDANCE WITH LABEL RESTRICTIONS. 4. CONTROL MANAGEMENT AND DISPOSAL OF LITTER AND SANITARY WASTE FROM THE SITE SO THAT NO ADVERSE IMPACT TO WATER QUALITY OCCURS, 5. INSPECT ALL EROSION AND SEDIMENTATION CONTROL FACILITIES EVERY SEVEN CALENDAR DAYS (TWICE IN SEVEN CALENDAR DAYS FOR STORMWATER DISCHARGE TO STREAMS ON THE LATEST EPA -APPROVED 303(d) LIST) AND WITHIN A 24-HOUR PERIOD OF ANY STORM EVENT OF MORE THAN 0.5 INCHES OF RAIN IN A 24-HOUR PERIOD. MAINTAIN A RAIN GAUGE ON SITE AND KEEP RECORD OF THE RAINFALL AMOUNTS AND DATES. 6. OBSERVE STORMWATER RUNOFF DISCHARGES AND LOOK FOR CLARITY, FLOATING SOLIDS, SUSPENDED SOLIDS, OIL SHEEN AND OTHER OBVIOUS INDICATORS OF POLLUTION AND EVALUATE THE EFFECTIVENESS OF THE EROSION AND SEDIMENTATION CONTROL MEASURES. IF SEDIMENTATION 1S LEAVING THE DISTURBED AREA, TAKE IMMEDIATE ACTION TO CONTROL THE DISCHARGE. 7. KEEP A RECORD OF THE INSPECTIONS, RECORD ANY VISIBLE SEDIMENTATION FOUND OUTSIDE THE DISTURBED LIMIT AND RECORD MEASURES TAKEN TO CLEAN UP THE SEDIMENT. MAKE THESE RECORDS AVAILABLE TO THE DIVISIDN OF WATER QUALITY OR ITS AUTHORIZED AGENT UPON REQUEST. 8. MAINTAIN EROSION AND SEDIMENT CONTROL MEASURES TO KEEP THE OPERATING EFFICIENCY AT OPTIMUM AND MAINTAINED AT MINIMUM 50% CAPACITY, 9. EARTH BERMS ON SEDIMENT TRAP AND DIVERSIONS TO BE STABILIZED WHEN INSTALLED. 10, GROUND COVER ON ALL SLOPES TO BE ESTABLISHED WITHIN 15 WORKING DAYS OR 30 CALENDAR DAYS, WHICHEVER IS SHORTER. 11. GENERAL CONTRACTOR WILL KEEP THE STREET AT THE CONSTRUCTION ENTRANCE CLEAN. DATE: FEB. 2012 PROJECT: 12-017 SCALE: 1 = 50 CLIENT CODE: STW WINTON TOWNSHIP CADFILE. 12017SP1 FIELD BOOK: DRAWN BY: JM, RF SURVEY BY: TB, CN NORTH CAROLINA REVISIONS: I PIN # HERTFORD COUNTY ZONE: SHEET SP3 1,10-1 EO[.ovpal <? h Cl" "1► cjpw o QC PRELIMINARY POND DESIGN DATA ----- POND DRAINAGE AREA (ACRES) 10.53 I IMPERVIOUS AREA 7.37 MAX IMPERVIOUS AREA 70% AVG. POOL_ DEPTH (FEET) 3 TSS REMOVAL 90% _ SAIDA RATI0@70% imp area 8.1 (From NCDWQ Stormwater BMP Chart) SURFACE AREA REQUIRED (SF) 37,154 SURFACE AREA PROPOSED (SF) 50,000-- -�--� DRAWDOWN ORIFICE SIZE (INCHES) 3 - TEMP. POOL VOLUME PROVIDED 40,666 DRIVING HEAD (FT) 0.41 �- DISCHARGE (CFS) 0.151 DRAWDOWN TIME (DAYS) 3.11 OPTION#2 dB1 - (0.25*(1+Abot shelf/Aperm_pool))+(((Abot shelf+Aoot-pond)12)*Depth/Abot_shelf) Permanent Pool Elevation Pond Bottom Elevation Depth (Bottom of Veg. Shelf to Pond Bottom) 97.0 93.5 3.5 (Depth from bottom _ I -------_ shelf to bottom pond) Abotshell 44100 Elev=96.5 I +4perm_pool 50000 Elev--97.0 ._- - - --- _� Abot_pond day 26064 3.25 Elev=93.5 i ---� i-_ ---- -- -- - -.- DESIGNED TO CAPTURE 1.5" RUN-OFF WQv D.A. BUILT UPON BUA.1 Rv STORAGE BMP DRAINAGE AREA (BUA) D,A. REQUIRED AREA AREA (SF) (SF) (CF) DENTION BASIN 458,687 1 321,081 I 0.70 0,68 38988 PRINCIPAL SPILLWAY USE ONLY APPROVED WATERTIGHT ASSEMBLIES FOR ALL PIPE CONNECTIONS. PLACE BARREL AND RISER ON FIRM, EVEN FOUNDATION. INSTALL ANTI -SEEP COLLAR(S) SLIGHTLY DOWNSTREAM OF DAM CENTERLINE (MINIMUM PROJECTION 1.5 Fr.). PLACE MOIST, CLAYEY, WORKABLE SOIL AROUND PIPE AND ANTI -SEEP COLLARS. DO NOT USE PERVIOUS MATERIAL SUCH AS SAND, GRAVEL, OR SILT. COMPACT 4-INCH LAYERS OF SOIL, BY HAND, UNDER AND AROUND PIPE AND COLLARS TO AT LEAST THE DENSITY OF FOUNDATION SOIL. AVOID RAISING PIPE FROM FIRM CONTACT WITH FOUNDATION WHILE COMPACTING MATERIAL UNDER PIPE HAUNCHES, Ito ' NOTE: , ELEV. 97.0' 2 RCP 12" S- 7.0% BASIN AND FOREBAY MUST I I BE CLEANED OUT TO SPECIFIED ELEVATIONS AFTER UPLAND AREAS STABILIZED DURING CONVERSION FROM INV. OUT TEMPORARY SEDIMENT BASIN. 6" PVC CAP WITH 3.0"0 = 96.40' ORIFICE HOLE DRILLED 100 6" PVC STUBBED INTO BOX 5.25' (INVERT ELEV. 97.0') STORM WATER POND SEEDING SCHEDULE STORMWATER POND BANKS SEEDING MIXTURE SPECIES RATE(LB/ACRE) SEEDING DATES 15 RED TOP (AGROTIS ALBA) 25 4/15-9/30 90 PERIMETER SHELF RATE(LB[ACREISEEDING DATES STORMWATER POND MIX 15-20 OCT-NOV & FEB-MAY SIFEDING MIXTURE P COMMON NAME PERCENT Agrostis stolonifero CREEPING 13ENTORASS 25 rex vulpinoidea Fox SEDGE 25 POND BOTTOM ELEV= 92.5 Elymus virginlcus VIRGINIA WILD RYE 25 W a Helenium autumnale VA ecotype SNEEZEWEED 13 (INCLUDING SEDIMENT STORAGE) Iris versicolor BLUE FLAB 12 a a 130 (STORMWATER PONp MIX INFORMATION OBTAINED FROM MELLOW MARSH FARM, �a SILER CITY, NC. CONTACT (919)-742-1200) NOTE: TOPSOIL STRIPPED FROM SITE TO BE PLACED BACK ONTO VEGETATIVE SHELF (PLANTING SHELF) PRIOR TO SEEDING. IF SEEDING ON POND BANKS AND VEGETATIVE SHELF DOES NOT TAKE ON INITIAL PLANTING, CONTRACTOR RESPONSIBLE FOR RE -SEEDING AND OR HAS THE OPTION TO PLANT SEEDLINGS AND POTTED PLANTS (AT RATES SIMILIAR TO PLANTINGS ON 24" X 36" OUTLET STRUCTURE STORWATER WETLANDS). WET RETENTION POND X--SECTION RISER BARREL No Scale No Scale DATE: FEB. 2012 PROJECT: 12-017 ' 2d j BARTLETT °`�y ���- - SCALE: " = CLIENT CODE: STW WINTON PLANT SITE CADFILE: 12017SP1 WINTON TOWNSHIP HERTFORD COUNTY SEAL 9l �- STORMWATER PLAN FIELD BOOK: RF ENGINEERING & SURVEYING, PC zoos `l �'; 1906 NASH STREET NORTH TEL1=: (252) 399-0704 90�GI N��� ��� WET DEl'EN�ON INDUSTRIAL PARK ROAD SURVEY BY: TB, cIv NORTH CAROLINA ZONE: � y °! WILSON, N.C. 27893-1726 FAX: (252) 399-080 •�%,%F,�T ����•�'� REVISIONS: LICENSE# C--1551 www.bartlett.us.com -.,,,,,s„ AE+.��� BASIN DETAILS HERTFORD COUNTY,NORTH CAROLINA PIN # SHEET DTI P:\_CACD\-LANDPROJECTS\sr1/\12017\DWG\12017SP5.DWG 7/13/2012 9:51:47 AM d) COVER PIPE TO A DEPTH OF 2 FT, MINIMUM OF HAND -COMPACTED BACKFILL BEFORE CROSSING IT WITH CONSTRUCTION EQUIPMENT, INSTALL TRASH GUARD WITH BARS SPACED 2-3 INCHES APART. m I I :..:..: O OUTLET STRUCTURE STORMWATER POND BOTTOM ELEV=93.5' .....r I (SEE DETAILS) SEDIMENT STORAGE BOTTOM ELEV=92.5 f a2.s f TOP ELEV 99.25' t :':''.•:•:'::':'.•:-'''''''''•''•''''..•.'.,.'.,::......................................................................,,......'.'.'.....'.'.'.'•.'_,.•.'_'.•.'.•.'.':.•.,..•::.•.•..•.•..•..,.•..•......:.:•..:.-...:'•.•'•.:.'.•.•.:-•'':•'.':...'.,•:.•.,•.':':'::'::::':':'::':':;•::':•>:•'::::'..:':.•.•.•:'.':::•:::>:•:':::': 10 PERIMETER SHELF W 0&0 ELEV=97.5 1 PROVIDE PERMANENT TURF REINFORCING MAT ;fB.D (Vmax3 SC250 OR EQUIVALENT) �^ ,J £LEV=96,5' - ' - -�`� PERMANENT POOL 97.0' 10 3 f 3,5 55.0' -_- 400.00' WEIR @ ELEV. 98.0' POND BOTTOM ELEV. 93.5 TOP ELEV 99.25' TOP ELEV 99.25' N01 `23'53"W 1098.38' ° 1.0'+ FREEBOARD 1 3 SEDIMENT CLEANOUT 3 B070M ® ELEV. 92,5' EMERGENCY SPILLWAY ELEV 98.0' GRAPHIC SCALE WET DETENTION POND X-SECTION EMERGENCY SPILLWAY X-SECTION 30 0 15 30 50 140 No Scale No Scale ( IN FEET ) WET RETENTION POND 1 inch = 30 ft. INLET BOX (TOP ELEV.= 97.75') 110 PERMAMENT POOL v 100 90 50 I i I E __ {REEBOARD MW EL ELEV. 98.13' .OR 100YR-SORM ENT I 1.0' - 1.0 STORAGE 1 BO-EI LFORE'BAY#1 J MV-amRFRM I 93 I 1 I I I I I I OUTLET (SEE I STRUCTURE DETAILIIS.) i I I I I I ji. I I I I PEE, MANE I T POOL TOM-g 0 ELEV. 97,0' I I l �3 1 I - RA- - 1 -BOTTOM I FOR 1 9 ' DIME T RAGE BEI ISAY# L 1,0' S ST T- EDIMENT BOTTOM k�LEV,= . .... _.._. '... ......:. .,.... . ' s . ".. .':. EDW NT' STOR AGE I' i . -SEDIMENT BOIITOM E CLEW -OUT 92.5' i I I ' -SEDIME T-CLEANOUT BOTrO' =E1 -9,.5' I C-LEAN EV.= OUT 92.5' I I i I I I II I I •----II--- I t t( I