Loading...
HomeMy WebLinkAboutSW8130501_APPROVED PLANS_20130516STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT NO. SW8 13 o 5 of DOC TYPE ❑ CURRENT PERMIT dAPPROVED PLANS ❑ HISTORICAL FILE ❑ COMPLIANCE EVALUATION INSPECTION DOC DATE 2013 05 16 YYYYMMDD I \ \ 1 \ \ I \ ( 1 I \ \ V Surface Surface Sediment GWuarmc Arlen Drainage Denuded Volume Volume Area Area Basin Basin Storage a Weir Qw � Basin No. Basin Type Area Area RatlolmlC Required ProvWed Required provided Length Width Depth Length length Length (crs) ( ) 1x) (SO (e0 kfl (R) (10 IRO $ SB 01 SEDIMENT 5.1'- 5:1 ' 0.35 8,108 28,900 7,082 14,450 170 85 2 15 3 ' 15 16.3 102 S13#2 SEDIMEM '1:7 1:T - 0.35 3,060 12,100 2,379 6,050 110 - 55 2 r, 70 5.5 3.4 LEVEL SPREADER \ \_ a` _ ------ i \ - 1-----_ BMP OUTLET \ _--s STRUCTURE SEDIMENT_ BASI OR \ TEMP. FOR SEDIMENT_ \ INSTALL A`X4' 4 \ ` RIP RAP PAD \ ` UNDER SKIMME \ ` PROPOSED BERM WET PO ru '�`$EDI BASIN ` �� E vBMP2 ✓ Q \Q �A�L� / 45. .,w.�...� N STABILIZED _ -----' 1 \ \ 00000 ! / , MATERIAL STORAGE L- YARD \ �• \ ` \ l �\ \ , �,-= 45.50 \` ` TREE PROTECTION I f!i o `` `\ SILT FENCE p ON \ IN '\ `\ `` L -' '-\ \ TEMP. %`\ \ \ `\ ,' � -1 '. \, STOCKPILE PROPOSEb ---- > \ - BERM o,q, , `\ `\ `\ \ I IN �� ---- 1 `�`\\\ .J 56' X 14' �- AI ------' > \ c---T \ \ �\ i ,, ODULAR OFFICE /1 BUILDING a ` `-- \`` P OTE �Ot4` `\'` / ' FFE: 47.00 TEMPORARY ---- CONSTRUCTION ENTRANCE IN \ / N INV. IN: .00 =� \i O O ` 7.5 X GENERAL GRADING AND EROSION CONTROL NOTES 1. ALL EROSION CONTROL SHALL BE IN ACCORDANCE WITH ONSLOW IN COUNTY SOIL EROSION AND SEDIMENTATION CONTROL ORDINANCE. --__ - -NEW f CP -- IVEWAY 2. ALL GRADED SLOPES AND FILLS WILL BE SLOPED AT 3HAV OR DRPE \ `` O FLATTER. 3, ALL DENUDED AREAS MUST BE STABILIZED PER NPOES REQUIREMENTS. SEE TABLE THIS SHIM?. - ----' , •, 4. SILT FENCE STAKES SHALL BE SIX FEET APART IF NO WIRE BACKING OUT: .85 u IS USED. 5. ANY SPOIL MATERIAL WILL BE STOCKPILED IN AN APPROVED LOCATION / PIPE LEi PROTEC ON z ON -SITE AS SHOWN ON THE PLANS. 6. ALL EROSION CONTROL MEASURES SHALL BE INSPECTED WEEKLY AND NEW 1 WITHIN 24 HOURS AFTER EVERY RAINFALL EVENT. / IN: 39. 7. TOPOGRAPHIC SURVEY PROVIDED BY S.T. WOOTEN CORPORATION. \ ` / --------NEW 1 NPDES STABILRATION CHART DRIVEWA 6 E\ Site Area Stabllraatlnn StabiBaatlon Time Description Time Frame Fraoe Exceptions Fedmeter dikes, Swaim ditches 7 days Nose and slopea • lash Quality Watcr(HQW) 7days None Z®es If elopes are 30' or • Stops Stall 7 days less in leaglh and are than 3:1 not siecim thm 2:1, 14 days are allowed 7-days for dopm • Slopes 3:1 or 14 days greaten am 50 feet 8aitcf in length • All other arse Neal (ezcept for with elopes Bas dap 14 da penmQd ers a than 4:1 H W Zooms I Na I Revision I Dare I BY I Deisri Walt Sale r = w Doan ly note vim4fM avidled M )ob Na DW ZYd M'm r r r �. IN, . \: \ l 1 / N. N. N. Porous Baffle Area Chart Total Basin Inlet Zone First Chamber Second Chamber Basin # Surface Area (so Baffle Area #1 (so Baffle Area #2 (so Baffle Area #3 (st) Outlet Zone (so (35% of Total) (25% of Total) (25% of Total) (15% of Total) SB #1 1 14,450 1 5,058 1 3,613 1 3.613 1 2.168 SB #2 6,050 2,118 1,513 1,513 908 .\OPO , I � , I / , ai.00/ KI FgOR � XRAP I / N SKM / BMp tTR , i UC0TU 0 L SPREADER J / K 11 r a , i. I , • II DITCH: D / 1.00 F)REA: 045 AC CrFACTOR: 0.80 _,fTO: 9.18 IN/HR q,2 ' SLOPE: { 0% 50 010: 17.99 CFS X V10: 4.52 FT/S r r' r DITCH: D2 L AREA 0.68 C FACTOR: 0.80' i `0: 9.18 IN SLOPE: Q10. 4.9� 4/10: 3.20 FT/S -SILT FENCE i DITCH, , , Y DITCH: d1 AREA: 0.22 A C FACTOR: 0.4 110: 9.18 IN/HR SLOPE: 1.0 `r10 Q10: 1.62 CFS L )b V10: 2.47 Fr/9, , I 1 I 1 ' I 1 I I -TRUCK WASHD N PiROPOSED ' AREA All BE(M , > , I \ L \ ;r L °r LINED SION DItCH WITH GREEN SlW ' �/� / • TEM RARY LINER L I ' I \ t \ r � r l „ % ';' ,-- -v. POSED r „ 1 1 INV. 1 :' •3 5 - IN -PIPE INLEI` PROTECTION � `, `;`` I IN I It \ IN : \ \ r1 S.T. WOOTEN CORPORATION BURTON INDUSTRIAL PARK CONCRETE PLANT JACKSONVILLE ONSLOW COUNTY NORTH CAROLINA " � r , / , I I f EROSION COI�d1ROL DATA TABLE FINANCIALLY RESPONSIBLE COMPANY- S. T. WOOTEN CORPORATION 3801 BLACK CREEK ROAD WILSON, NC 27894 (252) 291-5165 ATTN: BUTCH LAWTER, PE DESIGNER/ENGINEER: WITHERS & RAVENEL, INC. 115 MACKENAN DRIVE CARY, NC 27511 (919) 469-3340 CONTACT: RYAN FISHER, PE DEVELOPMENT TYPE: PORTABLE CONCRETE PLANT SITE AREA: 10.01 AC IMPERVIOUS SURFACE AREA CALCULATIONS SURFACE AREA OF MATERIAL STORAGE YARD: 3.42 AC SURFACE AREA OF GRAVEL/CONCRETE 1.81 AC PLANT AREA: SURFACE AREA OF BUILDINGS /...,,..nrn ,.. ,r,..". .nr.\_ 0.02 AC TOTAL IMPERVIOUS SURFACE % OF IMPERVIOUS SURFACE 52.25% FLOODPLAIN: NO I00-YR FLOODPLAIN LOCATED ON SITE PER FEMA FIRM PANEL 3720435800J - PANEL 4358. BAYMEADE FINE SAND & LEON FINE SAND Filter Basin Skimmer Orifice Calculations Orifice Equation Q=Cd*W(2gh)A(1/2) SB #1 Variables Constants Basin Volume: 28,900 cf g = 32.2 ftfs2 Head: 0.25 ft Cd= 0.59 Draw down time: 48 hrs 172,800 sec Orifice Area = 0.071 sf 10.173 sq. in Orifice Diameter = 3.60 in Orifice Radius = 1.8 in USE 4 INCH DIAMETER ORIFICE SB #2 Variables Constants Basin Volume: 12,100 cf g = 32.2 ff/s2 Head: 0.25 ft Cd= 0.59 Draw down time: 48 firs 172,800 sec Orifice Area = 0.030 sf 4.259 sq. in Orifice Diameter = 2.33 in Orifice Radius = 1.2 in USE 2 INCH DIAMETER ORIFICE SOIL TYPES: EROSION CONTROL NARRATIVE THIS PROPOSED PROJECT CONSISTS OF CLEARING AND GRADING ACTIVITIES ASSOCIATED WITH CONSTRUCTION OF A CONCRETE PLANT. ACCESS TO THIS SITE WILL BE PROVIDED BY TWO NEW DRIVEWAYS OFF OF BURTON PARK BOULEVARD. TEMPORARY GRAVEL CONSTRUCTION ENTRANCES WALL BE INSTALLED AT THIS SITE ACCORDING TO STATE SPECIFICATIONS. THE EXISTING TOPOGRAPHIC NATURE OF THIS SITE IS GENERALLY LEVEL TO SLOPING. AN EXISTING HIGH POINT BISECTS THE SITE AND STORMWATER IS CONVEYED NORTH AND SOUTH FROM THIS RIDGE. ALONG THE PROPOSED SOUTHERN PROPERTY LINE, AN EXISTING MAN-MADE DRAINAGE FEATURE COLLECTS STORMWATER BUT DOES NOT DISCHARGE THE STORMWATER WILL TYPICALLY INFILTRATE INTO THE SOIL DURING DRY PERIODS. THE PROPOSED EROSION CONTROL AND STORMWATER MEASURES AT THE CONCRETE PLANT SITE WILL CONVEY STORMWATER TO TWO (2) STORMWATER WET PONDS. BMP 1 WILL BE LOCATED EAST OF THE PLANT AND BMMPP 2 WILL BE LOCATED NORTH OF THE PLANT. EACH BMP WALL OUTLET TO EXISTING DRAINAGE FEATURES. SEDIMENTATION AND EROSION CONTROL WALL BE MAINTAINED ON THIS PROPERTY BY UTILIZING A TEMPORARY CONSTRUCTION ENTRANCE, SILT FENCING, TREE PROTECTION FENCING, ARC FILTERS, AND ROCK CHECK DAMS. GRADING, SEDIMENTATION AND EROSION CONTROL PLAN EROSION CONTROL LEGEND TEMPORARY GRAVEL CONSTRUCTION ENTRANCE -X-X-X-I FF4_FF »»»>>>>>>> • a : --a al ,, au t:_ ROCK PIPE INLET PROTECTION ROCK CHECK DAM TREE PROTECTION FENCING CLEARING LIMITS SILT FENCE DIVERSION DITCH DIVERSION DITCH LINED WITH NA GREEN S150 TEMP. LINER OR APPROVED EQUAL CONSTRUCTION SEQUENCE 1. INSTALL TREE PROTECTION FENCING. TREE PROTECTION FENCING MUST BE INSTALLED AND INSPECTED PRIOR TO ISSUANCE OF A LAND DISTURBING PERMIT. 2. OBTAIN LAND CONTROL INSPECTOR 9 (9110) 796 N72 5�PRIOR TO BE�GINN NG CONSTRUCTION. 3. INSTALL GRAVEL CONSTRUCTION ENTRANCE PADS. 4. INSTALL TEMPORARY DIVERSIONS, SILT FENCING, SEDIMENT BASINS, OR OTHER MEASURES AS SHOWN ON THE APPROVED PLAN. CLEAR ONLY AS NECESSARY TO INSTALL MEASURES. S. CALL FOR ON SITE INSPECTION BY NCDENR AND OBTAIN CERTIFICATE OF COMPLIANCE. 6. BEGIN CLEARING AND GRUBBING. MAINTAIN DEVICES AS NEEDED. ROUGH GRADE SITE. 7. INSTALL STORM SEWER AND PROTECT INLETS WITH ROCK PIPE INLET PROTECTION. SILT FENCING OR OTHER APPROVED MEASURES AS SHOWN ON THE PLAN. BEGIN CON§IRUCTING CONCRETE PLANT AND OTHER BUILDINGS. 9. WHEN CONSTRUCTION IS COMPLETE AND ALL AREAS ARE STABILIZED COMPLETELY, CALL FOR INSPECTION BY NCDENR. 10. IF SITE IS APPROVED. CONVERT TEMPORARY DIVERSIONS TO PERMA 11. WHEN VEGETATION HAS BECOME ESTABI INSPECTION BY NCDENR. 12. OBTAIN A CERTIFICATE OF COMPLETION. WITHERS RAVEN EL ENGINEERS 1 PLANNERS I SURVEYORS 115 MacKenan Drive Cary, North Carolina 27511 tel: 919-469-3340 www.wRhersravenel.com license No. C-0832 C ALL FOR FINALRE De*w WAR Sab f = W Dom By Daft RFIDW 4WD ae - By lab Na OW 2121L ID S.T. WOOTEN CORPORATION BURTON INDUSTRIAL PARK CONCRETE PLANT JACKSONVILLE ONSLOW COUNTY NORTH CAROLINA LANDSCAPE PLAN BUFFER SPECIFICATIONS: 1. UNLESS SPECIFIED ELSEWHERE IN THIS ORDINANCE, A BUFFER SHALL BE ONE OF THE FOLLOWING: A. AN SIX (6) FOOT HIGH OPAQUE FENCE WALL INSTALLED NO CLOSER THAN THREE FEET FROM THE PROPERTY LINE WITH EVERGREEN PLANTINGS BETWEEN THE FENCE AND PROPERTY LINE; OR B. BUFFER ) FEET WIDE SHALL INCLUDE TWO (2)STAGGERED ROWS OFEVERGREEN PLANTINGS, TO INCLUDE 6 TREES, 6 FEET IN HEIGHT AND 20 SHRUBS PER 100.; OR C. A TWENTY (20) FOOT WIDE NATURAL WOODED BARRIER, OR D. A COMBINATION OF A BARRIER AND PLANTINGS AS APPROVED BY THE ZONING ADMINISTRATOR. 2. A BUFFER SHALL NOT BE PLACED IN THE RIGHT—OF—WAY OR WHERE IN WILL INTERFERE WITH A SIGHT TRIANGLE. 3. THE OPAQUE FENCE OR WALL MUST DAMPEN NOISE AND SHALL NOT PERMIT VISIBILITY FROM ONE SIDE TO THE OTHER. IT MAY BE OF DECORATIVE MASONRY, WOOD PLANK, OR BASKET WEAVE CONSTRUCTION. 4. WHERE EVERGREENS (TREES AND SHRUBS) ARE USED, A SPECIES AS RECOMMENDED BY THE COUNTY AGRICULTURAL EXTENSION AGENCY AND SIZE NO LESS THAN 3 GALLON CONTAINER SIZE. 5. THE NATURAL WOODED BARRIER SHALL BE UNDISTURBED, NATURAL LOW BUSHES, SHRUBS, OR TREES. THE NATURAL BUFFER MUST PROVIDE REASONABLE SCREENING IN THE ESTIMATION OF THE ZONING ADMINISTRATOR. RENTS rO 6" BELOW =1945 SF 50 HERB. PLANTS / 200 SF = 486 PLANTS COMMON NAME ROOT CALIPER HEIGHT NOTES Sweet Flag CONT. 1 Gal. 24" O.C. gato' Variegated Sweet Flag CONT. 1 Gal. 24' O.C. Arrow arum CONT. 1 Gal. 24 O.C. Pickerelweed CONT. 4 Pot 247 O.C. Broadleaf Arrowhead CONT. 1 Gal. 24° O.C. Lizard's tail CONT. 4 Pot 24 O.C. ioemontani Softstem Bulrush CONT. 4" Pot 24' O.C. 6w ABOVE) = 2.1M SF 50 HERB. PLANTS / 200 SF = 526 PLANTS COMMON NAME HEIGHT NOTES Tussock Sedge 4" Pot 2e O.C. Northern Blue Flag Iris 4 Pot 24" O.C. Southern Blue Flag Iris FROOTCALIPER C Pot 24 O.C. Soft Rush 4" Pot 247 O.C. Cardinal Flower 4" Pot 24r O.C. Woolgrass 1 Gal. 1 24" O.C. RENTS rO 6' BELO =1 SF 50 HERB, PLANTS / 200 SF = 262 PLANTS COMMON NAME ROOT CALIPER HEIGHT NOTES Sweet Flag CONT. 1 Gal. 24' O.C. ata' Varie oted Sweet Flag CONT. 1 Gal. 24" O.C. Arrow arum CONT. 1 Gal. 2e O.C. Pickerelweed CONT. 4 Pot 24 O.C. Broadleaf Arrowhead CONT. 1 Gal. 2,V O.C. Lizard's tail CONT. f Pot 24 O.C. oemontani Softstem Bulrush CONT. 4 Pot 247 O.C. GW ABO =1 17 SF 50 HERBS PLANTS / 200 SF = 279 PLANTS COMMON NAME ROOT CALJPERI HEIGHT NOTES Tussock Sedge CONT. 4" Pot 24" O.C. Northern Blue Flag Iris CONT. V Pot 24 O.C. Southern Blue Flag Iris CONT. e Pot 24' O.C. Soft Rush CONT. 4 Pot 24 O.C. Cardinal Flower CONT. 4 Pot 24 O.C. Woolgross CONT. 1 Gal. 24" O.C. SCALE 1'.SO' WITHERS & RAVEN EL ENGINEERS 1 PLANNERS I SURVEYORS 115 MacKenon Drive Cary, North Carolina 27511 tel: 919-469-3340 www.withersravenel.com License No. C-0832 swa Na 5 411 I EXISTING DRAINAGE AREA 244 AC ; EXISTING DRAIN n✓ SCAM I* a 15(r "` °al *•� ST. WOOTEN CORPORATION STORMWATER PRE DEVELOPMENT WITHERS 1- RAVENEL r.r 0 +� 8MCt4 INDMRIAL PARK CONCRETE PLANT DMNAGE AREA MAP ENGINEERS I PLANNERS 1 SURVEYORS 1 UI 2 r a � 11a8aNsarr OIIRa1Y WIIIIIY NO[mI GEOIM4 inR-�al.4 YIYa-RIm eNMF]M gars ens r.4m BMP 1 - STORMWATER WET POND DESIGN Project Name: ST Wooten - Burton Park Lot 4 BMP #1 PPmject#: 2120335.1 Qui5tall% Onslow County Daat% 30-AW-13 Table 10.4 Surface Am to Drainage Area Ratio for Avmmnent Pod Sinew for 90% ftgu& N na-- rJr.. b rnavbt a?e60ie % Impervious Pernallnd Pod Depth (feet) 3.0 1 35 4.0 1 4S 5.0 1 5.5 6.0 30 3.5 3.0 2.7 2.5 2.2 1.9 1.6 40 4.5 4.0 3.5 3.1 2.8 2.5 2.1 50 5.6 5.0 4.3 3.9 3.5 3.1 2.7 60 7.0 6.0 5.3 4.8 4.3 3.9 3A 70 8.1 7.0 6.0 5.5 5.0 4.5 3.9 80 9.4 8.0 7.0 6.4 5.7 5.2 4.6 90 10.7 9.0 7.9 7.2 6.5 5.9 5.2 100 12.0 10.0 8.8 8.1 7.3 6.6 1 5.8 Souro= NLUENWRVQStonrrwAe8eUMU It PreCtimpg. 10-14,)ulY2007rev. r✓16e9 STORMWATER BMP- STORMWATER WET POND 25%TN Remavaq Land the Area (ac) % IA Imp. Ara (art Impervious 4,02 100 4.02 BMP 0.64 51 0.33 open Space 022 0 0.00 Future I ious Area 0.18 100 0.18 Totals 5.06 4.52 Tom % bllpervlelar Surface Area a 89A % Surface Area of Peramnned Pool: Average depth - 5.00 ft SAIDA ratio - 6,45 Fern Table 10.4 Minimum pond surface area (SA) - (DA a SAIDA ratioYlo0 SA = 0327 Acres 14224 sq. ft. Nomul pool elevation - 36.5 fed Surface area provided - 0327 acres 14224 sq. fL 154nch Runoff Volume Calculation Using the mnoff volume calculations in the 'Simple Method' as described by 5chueler (1987) Rv - 0.05 + 0.009(f) where, Rv - Runoff coef iicien4 intn. I - Percent impervious Rv - 0.85 into. Total runoff volume from 1.54nch precipitation: Runoff volume, S - (Design rainfall) (Rv) (Drainage Area) S- 0541 acre-ft 23550 cu. ft Water quality pool elevation- 37.89 feet Ovefim elevation- 38.00 fed Storage volume provided- 0S89 acre4t 25657 cu. ft. K112\ILm30\I20ail.IOJT Wa.b IAm481e1m P=kVLN{BLa•YI n rg want Scde r o set Divots By Dave TWDW 4rM Cledoed By Jab Na. DW 211M10 BMP 2 - STORMWATER WET POND DESIGN Project Name: ST Wooten - Burton Park Lot 4 BMP #2 Pmiect#: 2120335.1 iC N/State: Onslow County Date. 30-Apr-13 Table10.4 Surface Area to DriskageArea Ratio for Permanent Pool Siang for 90%PoBuUnt RPArnval F firi A rruefat R Penn % Impervious Permanent Pool Depth (feet) 3.0 35 1 4.0 4.5 1 5.0 55 1 6.0 30 3.5 3.0 2.7 2.5 2.2 1.9 1.6 40 4.5 4.0 3.5 3.1 2-8 2.5 2.1 s0 5.6 5.0 4.3 3.9 3.5 3.1 2.7 60 7.0 6.0 5.3 4.8 43 3.9 3A 70 8.1 7.0 6.0 5.5 5.0 4.5 3.9 So 9A 8.0 7.0 6A 5.7 5.2 4.6 90 10.7 9.0 7.9 7.2 6.5 5.9 5.2 100 12.0 10.0 8.8 8.1 7.3 6.6 5.8 Soup NMENW Q ROMWa Rest M affi men P im, pg. 1614, Iu1y 211U7 rev. &1N STORMWATER BMP-STORMWATER WET POND (26%TN Remaa Land Use Area (a0 % IA Imp. Area (art Ire ious 1.22 100 1.22 BMP 0.40 50 0.20 Fulure Ire rvious Area 0.08 100 0.08 Totals 1.70 150 total% Impervious surface Aral = 88.27. Surface Area of Permanent Pod, Average depth - 3.00 ft SAIDA ratio - 10.47 From Table 10.4 Minimum pond surface area (SA) - (DA • SAIDA ratioY100 SA = 0.178 acres 7752 sq. ft. Noma] pool elevation - 40.0 feet Surface area provided - 0.200 acres 8696 sq. fL 1.54nch Runoff Volume Calculation Using the runoff volume calculations in Nee 'Simple Method' as described by Schueler (1987) Rv - 0.05 + 0.00900 where, Rv = Runoff coefficient, inJin. I - Percent impervious Rv - 0.84 in -tin. Total runoff volume from 1.54ndm precipitation: Runoff volume, S - (Design rainfall) (Rv) (Drainage Area) S = 0.179 acredt 7812 cu. it. Water quality pool elevation- 40.85 feet Overflow elevation- 41.00 feet Storage volume provided- 0.220 acre4t 9583 M. ft. R:\12\12-031MiMnsIMTwoolenmat4BU PURUt4DB1&E2 I 66�is TO BMP 2 ePCAT_ / E E,. ,ri \ x\ TQBKMI t / \ / CATCHMENT 3 ---- / TO OFFSITE , \ /_ __' ------------- i a asal. Iae r" �® �T PLAM tOR STORMWATER POST DEVELOPMENT WITHERS RAVENEL "r M aUSINGSr. VYOOTEN CORPORATION DRAINAGE AREA MAP ENGINEERS 1 PLANNERS 1 SURVEYORS 2 VI 2 BMP 1 A STORMWATER WET POND OUTFLOW SUMMARY Storm Event Peak Water Surface Elevation (ft) Freeboard () Total Peak Outflow (cfs) 1-Year 38.43 2.57 1.03 10-Year 39.15 1.85 17.70 25-Year 39.38 1.62 26.43 50-Year 39.53 1.47 32.65 100-Year 39.66 1.34 38.79 SOUTH OUTFALL (BMP 1) PEAK ATTENUATION SUMMARY Storm Event Pre -Development Peak Flow (cis) Post -Development Peak Flow w/ BMP (cfs) Net Chan a (cfsl Net Change M 1-Year 1.74 1.16 -0.58 -33% 10-Year 14.62 21.37 +6.75 +46% 25-Year 23.20 33.45 +1025 +44% 50-Year 31.27 42.01 +10.74 +34% 100-Year 1 40.70 50.87 +10.17 +25% BMP 2 - STORMWATER WET POND OUTFLOW SUMMARY Storm Event Peak Water Surface Elevation (ft) Freeboard (ft) Total Peak Outflow (cfs) 1-Year 41.19 2.81 0.31 10-Year 41.89 2.11 2.23 25-Year 42.18 1.82 4.07 50-Year 42.35 1.65 6.17 100-Year 42.51 1.49 8.51 NORTH OUTFALL (BMP 2) PEAK ATTENUATION SUMMARY Storm Event Pre -Development Peak Flow (cfs) Post -Development Peak Flow w/ BMP WE) Net Chan a (cfs3 Net Change M 1-Year 0.45 0.35 -0.10 -22% 10-Year 4-47 3.22 -1.25 -28% 25-Year 7-16 5.48 -1.68 -23% 50-Year 9.73 8.63 -1.10 -11% 100-Year 12.73 12.33 -( to -3% TOTAL SITE PEAK ATTENUATION SUMMARY Stone Event Pre -Development Peak ) ow cfs Post -Development Peak Flow w / BMP cis Net Change cfs Net Change 1-Year 2.18 1.51 -0.67 -31% 10-Year 19.09 24.53 +5.44 +28% 25-Year 30.36 38.80 +8.44 +28% 50-Year 41.00 50.55 +9.55 +23% 100-Year 53.44 63.20 +9.76 +18% °O(Oso°soostro°oOOp °•�ra°ego to o p EEsslp %q% e° SEAL = e e e .ENGINE oroaraaooeo `\\\\11D1111 U//4 `Poo E A,90 S E q�,30�3 S'IIF\5"�� WITHERS & RAVENEL ENGINEERS 1 PLANNERS I SURVEYORS 115 MacKcnan Drive Cary, North Corolmo 27511 tel: 919-469-3340 www.wkhersravenel.com License No. C-0832 deft Na 6 ia11 0 0 ° 0 O '� 0 TREE PROTECTION -Tp___�SILT FENCE ---------------_=---- - -------------`-h'"-.,�.�nt <,�-- t,.. m- Tp MATERIAL STORAGE YARD-- 4� X 65 36 - ---- / �--1 34 - 1 / - F WEf POND X3 TOP OFOD ME410050 OTTOM OF POND: 2 OOF Qi X26.50 / RE Y V\ _ - ' / �\ LINING ARO NDA011TLEF I- - STRUCT_L�RE--- PI _ CONCRETE WEIR X OUTLET STRUCTURE k-----_-/ _ - w 3' WIDE REINFORC ' CHANNEL AL G DEj"CLASS F IP RAP 12" MIN DE 36.50 X ►- �. L DION 131TCH t� _ L 10' LONG, 12" WIDE jam/ CONC. LEVEL 4 X 41 UO SPREADER TOP OF LIP: 36.50 / \+ 40 �S X/XxF CIS, STORMWATER WET POND - BMP 1 1" = 20' SCAM I" w 0' BMP #1 DIMENSIONS ELEV. NORMAL POOL 14.224 SF 36.50 SEASONAL HIGH WATER TABLE 36.88t POND BOTTOM 26.50 TOP OF BERM 10 FT. 41.00 CONCRETE WEIR WIDTH 10' WIDE 38.50 WEIR NOTCH WIDTH 1' WIDE 38.00 100-YR WATER SURFACE ELEVATION 39.66 WATER QUALITY ORIFICE 2.5" ORIFICE OUTLET PIPE INVERT UP NORMAL POOL 52 LF 4" DIP ® 0.00% 36.50 OUTLET PIPE INVERT DOWN 36.50 O.00R SLOPE ON LEVEL SPREADER (FLAT 6' LOW FLOW PIPE LEVEL SPREADER (3.1 FROM OURET STT711CTURE PSI MIN COMPRal / STRENG INSTALL CLASS B RIPJ RAP FROM OUTLET TO BOTTOM OF SWALE i6' MIN DEPTH, 3' WIDE WITH VEGETA GEOTEXTILE LINER SWALE SEE PLAN FOR LEVEL SPREADER LENGTH -LEVEL SPREADER UP ELEVATION= 4 -6" HIGHER EXISTING SLOPE ON DOWNSTREAM SIDE DIFFUSED FLOW 3'-O" 4517 WASHED THICKMIN� ONE - PERMAM G OTEXiILE UNDERUNER TYPICAL SWALE / LEVEL SPREADER DETAIL MIN. 5' WIDE BER ) EL:37. w FOREBAY _-_ PERMANENT POOL ELEVATION: 36.50 Z --- - - - - - - - - WET POND FOREBAY _____ _ ____ _ _ _________ - - - - BERM BOTTOM OF POND ELEVATION: 26.50 ------- 311 VEGE SEDIMENT REM TYPICAL CROSS SECTION A -A STORMWATER WET POND - BMP 1 TOP OF DAM (10' MIN WIDTH) EL- 41.00 �. "11-11=11=11-11=11 11=11 � 1��=�1.111=11�•=� -11- SHWT a a = - - 10' WIDE VEGETATED SHELF TO EXTEND TO A DEPTH OF Cr ABOVE INDUSTRIAL PARK BUFFER EXISTING DRAINAGE SWALE EXISTING WOODS DIRECT OUTLET PIP TO LEVEL SF R ' 12,-WIDE- NC: LEVEL SPREADER LIP: 40.00 3' WIDE CHANNEL �, coorenri TREE SILT M LEVEL LSS B RIP DEEP X , , DIMENSIONS PROPOSED CHAIN LINK FENCE 44.50 X i L/ kP UCTUREUND OUT WET NORMA OOLO EL PL: 40.00 TOP OF DAM: 44.50 BOTTOM OF POND: 34.50 �I c3„�- LEI X34.50 I I X I I ��� �� 3g I lJl �' � ►� I I X r I - 1 Sp. - �� I I RF�U�RE 37\ � I � I ti wp00 fD 119RD SEASONAL HIGH WATER TABLE 40.26t POND BOTTOM 34.50 TOP OF BERM 10 FT. 4-4.50 CONCRETE WEIR WIDTH 5' WIDE 42,00 WEIR NOTCH WIDTH V WIDE 41.00 100-YR WATER SURFACE ELEVATION 42.51 WATER QUALITY ORIFICE 1.5" ORIFICE OUTLET PIPE INVERT UP NORMAL POOL 33 LF 4' DIP 0 O.00R 40.00 OUTLET PIPE INVERT DOWN 00 E EXISTING WOODS STORMWATER WET POND - BMP 2 1% 1" = 20' SCAM I.-2. 0 0 n w MIN. 5' WIDE BER EL-40.5 w w PERMANENT POOL ELEVATION: 40.00 -- --- WET POND 0:1 FOREBAY FOREBAY--------------------- ----- r---------- BERM DMTnu nc Dnun n nrwnnrr. :w RA __ 3: ELEv:-35.50 - - TYPICAL PICAL CROSS SECTION B-B STORMWATER WET POND - BMP 2 NTS DIVERSION DITCH MATERIAL STORAGE YARD DIVERSION DITCH rKI N TOP OF DAM (10' MIN WIDTH) EL- 44.50 10' WIDE VEGETATED SHELF TO EXTEND TO A DEPTH OF 6' ABOVE AND BELOW THE PPE N CA, '"OESSIL S E A I Deslls WAR Sale AS SlCM DWwa A, Dlee Ulm 4rm Ue�ed Ay lcb Nn DW 2I2Aii5A0 S.T. WOOTEN CORPORATION STORMWATER BMP DESIGN & DETAILS BURTON INDUSTRIAL PARK CONCRETE PLANT MCKSONVILLE ONSLOW COUNTY NORTH CAROUNA - 1 WITHERS & RAVENEL ENGINEERS 1 PLANNERS I SURVEYORS 115 Mod(enan Drive Cary, North Carolina 27511 tel: 919-469-3340 www.wlfthersmvenel.com License No. C-0832 Filter s Plan View Cross -Section A -A Stone should be placed over the channel tanks to keep water from cutting around the dam. ROCK CHECK DAM FRONT VIEW BURY FILTER FAERIC, aDM M IMMH Slat FFME POST raom wsc ar r sa Posy liver nwreE uolx ur w wm su °NO� Norm. I. REMOVE SEDIMENT WHEN HALF OF STONE OUTLET IS COVERED. s Ran REFIC Q01w 2. REPLACE STONE AS NEEDED _ ,O4 TD ENSUE DEYMTONMG. BUxY lViAe,1E aom fl]Elt •nUE 6 61PFEl1 a1a Or r.ww, w llEnal SECTION VIEW STANDARD SILT FENCE OUTLET 4/8 NOTES: 1) TOTAL DRAINAGE AREA FLOWING TOCE MAr r< oc WAX r1 �ILTT FENCYES SHNOT OULD NOT CEED I ACRE 2) SBE USED AT PIPE OUTLETS OR IN / y1 F1)I� Z AREAS OF CONCENTRATED FLAW (CREEKS. OTCH LINES, SWALES Flaw OF WaFR 3) SEDIMENT WHEN SILT REACHES1 COLLECTED EIGHT OF FENCE Z t 1 I p01 £ \ TO INCREASE STORAGE CAPACITY AND PROLONG THE LIFE OF THE SILT FENCE, T IS GENERALLY ADVISABLE TO DIG A SEDIMENT PT IN FRONT OF YOUR SILT FDNCE WHENEVER POSSIBLE 12 GAUGE 4'Xd' OR YXI WELDED WIRE HOOKED ONTO PREFORMED CHANNELS ON METAL POSTS. Uq/LLBgTR�•ANOLEr RESISTANT jRiLACK^� MIRIFl ALENT CENTERERICUL gJPS WIRE( T' 8A OF WIRE MAX. SEDIMENT STORAGE LEVEL.. REMOVE ASS DIREECCTEDD WHEN BY CONSERVATION RATION INSPECTOR. I TRENCH, COVER W SOIL & TAMP BACKFILL TRENCH. -------- SHEET DRAINAGE (ONLY) -_--- _ _- - - _ _ NATURAL GRADE CARRY APPROX.12' OF FABRIC INTO z TRENCH CARRY C OF WIRE INTO TRENCH. METAL POSTS e' O.C. MAX WITH STANDARD STRENGTH FBARIC 6' O.C_ MAX WITH EXTRA STRENGTH FABRIC SILT FENCE FOR SMALL DRAINAGE AREA LESS THAN ONE ACRE 1. INSTALL TREE PROTECTION FENCING. TREE PROTECTION FENCING MUST BE INSTALLED AND INSPECTED PRIOR TO ISSUANCE OF A LAND DISTURBING PERMIT. 2. OBTAIN LAND DISTURBING PERMIT. CALL EROSION CONTROL INSPECTOR ® (910) 796-7215 PRIOR TO BEGINNING CONSTRUCTION. 3. INSTALL GRAVEL CONSTRUCTION ENTRANCE PAD. 4. INSTALL TEMPORARY DIVERSIONS, SILT FENCING, SEDIMENT BASINS, OR OTHER MEASURES AS SHOWN ON THE APPROVED PLAN. CLEAR ONLY AS NECESSARY TO INSTALL MEASURES. 5. CALL FOR ON SITE INSPECTION BY CITY AND OBTAIN CERTIFICATE OF COMPLIANCE 6. BEGIN CLEARING AND GRUBBING. MAINTAIN DEVICES AS NEEDED. ROUGH GRADE SITE. 7. INSTALL STORM SEWER AND PROTECT INLETS WITH ROCK PIPE INLET PROTECTION, SILT FENCING, OR OTHER APPROVED MEASURES AS SHOWN ON THE PLAN. BEGIN CONSTRUCTING ASPHALT PLANT AND OTHER BUILDINGS. 8. STABILIZE SITE AS AREAS ARE BROUGHT TO FINISHED GRADE WITH APPROVED VEGETATION, PAVING, DITCH LININGS, ETC. CONVERT SKIMMER BASINS TO PERMANENT STORMWATER WET PONDS. 9. WHEN CONSTRUCTION IS COMPLETE AND ALL AREAS ARE STABILIZED COMPLETELY, CALL FOR INSPECTION BY THE CITY. 10. IF SITE IS APPROVED, REMOVE TEMPORARY DIVERSIONS, SILT FENCING, SEDIMENT BASINS, ETC., AND SEED OR PAVE ANY RESULTING BARE AREAS. ALL REMAINING PERMANENT EROSION CONTROL DEVICES (SUCH AS VELOCITY DISSIPATORS) SHOULD BE INSTALLED NOW. 11. WHEN VEGETATION HAS BECOME ESTABLISHED, CALL FOR FINAL SITE INSPECTION BY THE STATE 12. OBTAIN A CERTIFICATE OF COMPLETION. CONSTRUCTION SCHEDULE Far Shoulders, Side Ditches, Slopes (Max 3:1): Date Type Planting Rate Aug 15 . Nov 1 Tall Fescue 300 Ibs/acre Nov 1 . Mar 1 Tall Fescue & Abruzzi Rye 300 Ibs/ocre Mar 1 . Apr 15 Tan Fe 300 Ibs/acre Apr 15-.run 30 Hulled Common Bermuda gross 25 Ibs/acre Jul 1- Aug 15 Tall Fescue AND Brown top Millet 125 Ibs/acre (Tall Fescue); 35 or Sorghum -Sudan Hybrids*" (Brown top Millet); 30 Ibs/acre (Sorghum -Sudan Hybrids) For Shoulders, Side Ditches, Slopes (3:1 to 2:1) Mar 1 Jun 1 Service Lespedeza (scarified) and use fNB Ibs/acre (Sericeo Lespedezo); following combinations: Mar 1 . Apr 15 Add Tall Fescue 120 Ibs/acre Mar 1 Jun 30 Or add Weepinc Love gross 10 Ibs/ocre Mar 1 Jun 30 Or add Jolted Common Bermuda grass25 Ibs/acre Jun 1 Sept 1 Tall Fescue AND Brown top Mullet 120 Ibs, acre (Tall Fescue); 35 It or Sorghum -Sudan Hybrids*" (Brown top Mullet); 30 His/acre Sept 1 Mar 1 Sericea Lespedezo (unhulled (Sorghum -Sudan Hybrids) unscarified) AND Tall Fescue 70 Ibs/acre (Sericeo Lespedeza); 120 Ibs/acre (Tall Fescue) Nov 1 _ Mar 1 AND Abruzzi Rye 25 Ibs/acre as TEMPORARY: Reseed according to optimum season for desired permanent vegetation. Do not allow temporary cover m grow over 12' in height before mowmg, otherwise fescue may be shaded out. SEEDING SCHEDULE b, DIVERSIONS SHOULD DE LOCATED TO MINIMIZE DAMAGES BY CONSTRUCTION OPERATIONS. c, DIVERSIONS SHOULD BE SUDED AND MULCHED IF THEY ARE TO REMAIN IN PLACED OVER 30 DAYS. d, CHECK DEVICE AFTER EACH RAIN, BUT ONCE A WEEK REGARDLESS. REPAIR AS NECESSARY. 12' MIN SLOPE 2:1 MAX - - NATURAL GROUND OR FILL OR CUT SLOPES COMPACTED FILL BERM 187 MIN-� DITCH 18• MIN 12' MMN-i '/ FLOW BERM/OITCH NOTES: POSITIVE GRADE MUST BE PROVIDED TO ASSURE DRAINAGE IF SLOPE AND MULCH DIVERSION. TRY NOT TO EXCEED 5%(HIGH VELOCITIES REL D. A = 5 ACRES WITHOUT SUPPORTING CALLS DIVERSIONS AT THE MUST EMPTY INTO AN APPROVED SLOPE DRAIN. BERM/DITCH IS MOSI TEMPORARY DIVERSION ffit ITCH oa4m WM sole AS SHOWN Dr+sA•t Br Do It" VZ1113 dtildled 9y Jab Nix DW 212MID NOTES: STONEA. CLASS A • WITH GEOTEXTILE'•• TO BE 100'L• • AT A MINIMUM. RADIUSB. TURNING • ACCOMMODATE IS TO BE PROVIDED. C. ENTRANCE(S) SHOULD BE LOCATED TO PROVIDE FOR MAXIMUM UTILITY BY ALL CONSTRUCTION • MUST BE MAINTAINED IN A CONDITION TRACKING OR DIRECT FLOW OF MUD ONTO STREETS. PERIODIC •• DRESSING WITH STONESOME HANDY. E. ANY MATERIAL WHICH STILL MAKES IT ONTO THE •••• MUST BE CLEANED UP IMMEDIATELY. 160SURGE STON ,2t 6r MIN ai .f W'i!q• V APPLICABLE AT ALL ,•ie• POINTSOF STABILIZED. FREQUENT CHECKSOF THE DEVICE AND TIMELY MAINTENANCE I Im JEMPOWY COMUMN« MT. 1. CHISEL COMPACTED AREAS AND SPREAD TOPSOIL THREE INCHES DEEP OVER ADVERSE SOIL CONDITIONS, IF AVAILABLE 2. RIP THE ENTIRE AREA TO SIX INCHES DEEP. 3. REMOVE ALL LOOSE ROCK, ROOTS, AND OTHER OBSTRUCTIONS LEAVING SURFACE REASONABLY SMOOTH AND UNIFORM. 4. APPLY AGRICULTURAL UME, FERTILIZER AND SUPER PHOSPHATE UNIFORMLY AND MIX WITI SOIL (SEE MIXTURE). 5. CONTINUE TILLAGE UNTIL A WELL -PULVERIZED, FIRM REASONABLY UNIFORM SEEDBED IS PREPARED FOUR TO SIX INCHES DEEP. 6. SEED ON A FRESHLY PREPARED SEEDBED AND COVER SEED LIGHTLY WITH SEEDING EQUIPMENT OR CULTIPACK AFTER SEEDING. 7. MULCH IMMEDIATELY AFTER SEEDING AND ANCHOR MULCH. 8. INSPECT ALL SEEDED AREAS AND LAKE NECESSARY REPAIRS OR RESEEDING WITHIN THE PLANTING SEASON, IF POSSIBLE IF STAND SHOULD BE OVER 60% DAMAGED, RE-ESTABUSH FOLLOWING THE ORIGINAL UME, FERTILIZER AND SELLING RATES. MIXTURE AGRICULTURAL UMESME: FERTILIZER: SUPER PHOSPHATE MULCH ANCHOR: 2 TONS/ACRE (3 TONS/ACRE IN CLAY SOILS) 1,000 LBS/ACRE - 1G-10-10 500 LBS/ACRE - 20% ANALYSIS 2 TONS/ACRE - SMALL GRAIN STRAW ASPHALT EMULSION AT 303 GALS/ACRE SEEDBED PREPARATION S.T. WOOTEN CORPORATION BURTON INDUSTRIAL PARK CONCRETE PLANT JACKSONVILLE ONSLOW COUNTY NORTH CAROLINA STEEL POST EARTH BERM EvO� IN Z NE BOTTOM ANCHORED 3 �OF SU AC WITH STAPLES FIRST C 25% OF SUR AREA 5' SECOND 25% OF SUR AREA 15% OF EA SEDIMENT PIT BIOD-MAT 70 COIR NETTING OR EQUIVALENT (TYPICAL) SKIMMER COIR SUPPORTED WITH TOP E BETWEEN STEEL POSTS WIRE (SEE L S BELNOT 1. DRIVE STEEL FENCE POST AT PERSPECTIVE VIEW LEAST 18• INTO SOLID GROUND. 2. WOOD POSTS ARE NOT ACCEPTABLE. 3. RIP RAP SHALL BE PLACED ON TOP OF SPILLWAY. STANDARD SKIMMER FILTER BASIN PROTECT WEIR WfTH FILTER 5' RETRIEVAL SKIMMER DETAIL FABRIC AND RIP -RAP W ROPE (SEE DETAIL BELOW) S, EARTHEN BERM61 a r w PVC FILTER FABRIC LENGTH 5'x3'x18• I STONE APRON NOTE, WEIR DETAIL 1. EARTH BERM SHALL BE STABILIZED w/SEEDING ACCORDING TO COUNTY SPECIFICATIONS. LINE WEIR WITH RIP -RAP FILTER FABRIC MAINTENANCE �EIR LENGTH TOP OF DAM DITCH AND BURY FILTER FABRIC EDGE (MIN. 12• OF FABRIC) INSPECT TEMPORARY SEDIMENT BASINS AND EMPTY SKIMMER OF ALL DEBRIS AFTER EACH PERIOD OF SIGNIFICANT RAINFALL REMO%E SEDIMENT AND RESTORE TRAP TO ITS ORIGINAL DIMENSIONS WHEN THE SEDIMENT HAS ACCUMULATED TO ONE-HALF THE DESIGN DEPTH OF THE TRAP. PLACE THE SEDIMENT THAT IS REMOVED IN A DESIGNATED DISPOSAL AREA AND REPLACE THE CONTAMINATED PART OF THE GRAVE FACING. CHECK THE STRUCTURE FOR DAMAGE FROM EROSION OR PIPING. PERIODICALLY CHECK THE DEPTH OF THE SPILLWAY TO ENSURE T IS A MINIMUM OF 1.5 FT BELOW THE LOW POINT OF THE EMBANKMENT. IMMEDIATELY FILL ANY SETTLEMENT OF THE EMBANKMENT TO SLIGHTLY ABOVE DESIGN GRADE. ANY RIP RAP DISPLACED FROM THE SPILLWAY MUST BE REPLACED IMMEDIATELY. STABILIZE THE EMBANKMENT AND ALL DISTURBED AREAS ABOVE THE SEDIMENT POOL AND DOWNSTREAM FROM THE TRAP IMMEDIATELY AFTER CONSTRUCTION WITH SEEDING. STANDARD SKIMMER FILTER BASIN FU (Pi OUTLET CONNEI OUTLET FOR SKIMMER SIZING, SEE EROSION CONTROL PLAN THROUGH DOOR IAT I BY USER. SKIMMER IS TO BE A SURFACE DFWATERING DEVICE SUCH AS BMP SKIMMER OR APPROVED DEVICE. STANDARD TEMPORARY SKIMMER DETAIL SEDIMENTATION & EROSION CONTROL DETAILS Step 1 Drive steel fence post at least 18' into solid ground. WOW POSTS ARE NOT ACCEPTABLE I �K im 4' hw posts VIEWS LOOKING DOWNHILL CLASS I RIP RAP (SEE SECTION THRU BASIN BELOW) ` \\\ RIP RAP HEADWALL /5 WASHED STONE 1'-0 THICK x 3'-R HIGH MINIMUM I1111111IwCINE%W Nam: NO SCALE 1• GRAVEL & RIP RAP FILTER BERM BASIN DETAIL IS DESIGNED TO PROTECT EXISTING PIPE INVERTS THAT DRAIN 10 ACRES OR LESS. 2. DIMENSIONS ARE MINIMUM ACCEPTABLE UNLESS OTHERWISE NOTED. AREAS TO BE DISTURBED SEDIMENT STORAGE (CUT Fl \ FLOW STORAGE ZONE RIP RAP HEADWALL A).... 1' INVERT NATURAL GROUND 1.5 8 FLOW 1.5 - CLASS 1 RIP -RAP MAXIMUM SEDIMENT DEPTH (CLEAN OUT POINT) /5 WASHED STONE POINT) SICUMMWSAIKR ADCULVWM NO SCALE STONE RLTER INLET PR01ECnON �yg TER OF TO ;TREAM IS ON SLOPE. SILT FENCE � I TOPSOIL ,� STOCKPILES ORIGINAL GROUND SURFACE NOTES: 1. REFER TO THE SILT FENCE DETAIL FOR MATERIALS AND INSTALLATION METHODS. 2. IF THE STOCKPILE IS TO REMAIN FOR MORE THAN 14 DAYS, IT SHALL BE STABILIZED WITH STRAW BLANKET OR SEEDED TO MINIMIZE EROSION. 3. INSPECTION OF SILT FENCES SHALL BE AT LEAST ONCE PER WEEK AND AFTER RAIN EVENTS IN EXCESS OF HALF INCH (1/2 ') PER DAY OR EQUAL SNOW MELT. REPAIR OR REPLACEMENT OF SILT FENCE SHALL BE MADE PROMPTLY AS NEEDED. 4. SEDIMENT TRAPPED BY THE SILT FENCES SHALL BE REMOVED AND PROPERLY DISPOSED OF WHENEVER SEDIMENT ACCUMULATION DEPTH AT THE SILT FENCE IS APPROXIMATELY EQUAL TO TWELVE (12) INCHES (ONE-HALF OF SILT FENCE HEIGHT). 5. SILT FENCES SHALL BE MAINTAINED IN PLACE UNTIL TOPSOIL STOCKPILE HAS BEEN ELIMINATED AND SHALL BE REMOVED ONLY WHEN DIRECTED BY THE PERMITTING AGENCY. TEMPORARY SfOCIM ``pUUll ilgrr �♦OQ� CA,90, c�-Q'EESS7o90- v SEAL d e crcjp�( lilt 4/a 03 WITHERS & RAVENEL ENGINEERS I PLANNERS I SURVEYORS 115 MacKenan Drive Cary, North Carolina 27511 tel: 919-469-3340 www.withersmvenel.com License No. C-0832 Sheet NO 9 Oil VICINITY MAP ,• _ SUMMARY INFORMATION DEVELOPMENT NAME: BURTON INDUSTRIAL PARK CONCRETE PLANT FOR S.T. WOOTEN CORPORATION LOCATION: BURTON PARK BOULEVARD ACREAGE: 10.01 ACRES PARCEL : 036248 EXISTING ZONING DISTRICT: IND—H PROPOSED ZONING DISTRICT: SAME DENUDED AREA: 8.50 ACRES IMPERVIOUS SURFACE AREA: 5.23 ACRES % OF IMPERVIOUS SURFACE: 52.25% RIVER BASIN: NEW RIVER (C; NSW) PERSON TO CONTACT REGARDING STAFF COMMENTS OR QUESTIONS: RYAN FISHER, PE WITHERS & RAVENEL 115 MacKENAN DRIVE, CARY, NORTH CAROLINA 27511 TELEPHONE: (919) 469-3340 FAX: (919) 467-6008 rfisher®withersrovenel.com PRELIMINARY SITE PLAN BURTON INDUSTRIAL PARK CONCRETE PLANT FOR S.T. WOOTEN CORPORATION J JACKSONVILLE, NORTH CAROLINA APRIL 2013 i h / n /j Q /0496 J Q o oui z M Z p g�ZT N �Wwo >-Oc)w ¢�:Zp � N O a W li�w� aawa3 INDEX OF SHEETS SHT No. DRAWING DESCRIPTION 1 EXISTING CONDITIONS PLAN 2 SITE PLAN 3 UTILITY PLAN 4 GRADING, SEDIMENTATION AND EROSION CONTROL PLAN 5 LANDSCAPE PLAN 6 STORMWATER MANAGEMENT PLAN 7 STORMWATER BMP DESIGN & DETAILS 8 BMP OUTLET DETAILS 9 SEDIMENTATION & EROSION CONTROL DETAILS 10 SEDIMENTATION & EROSION CONTROL DETAILS 11 SITE & UTILITY DETAILS LEGEND DESCRIPTION EXISTING PROPOSED 1' CONTOUR NTERVAL ---------------------------------- 18- 5' VW OUR INTERNAL ------------ 20 --------------------- 20 PROPERTY LINE TRY SURVEY PROPERTY LINE BY D® EASEMENT LINE TEMPORARY CONSTRUCTION ------------- -' - . EASEMENT SANITARY SEWER ----------- S 0 0 s STORM DRAINAGE WATERLINE --------N-- W FIRE HYDRANT ASSEMBLY +--+ �--� CABLE TV — — — — — — — — TV — FIBER OPTIC — — — — — — — — F 0 — OVERHEAD ELECTRICAL --------GE--------CHE' UNDERGROUND ELECTRICAL — — — — — — — — U G E — OAS --------G—' G TELEPHONE — — — — — — — — T — - FENCING STRUCTURE — — — X — — — — — X — — 0-0-0-0 TOE/TOP OF SLOPE WATERWAYS — WEMNDS ----------_---_-----_--- BUFFER - Redden I'NlLt' , PIRA ``pAlunniiiii / ISI.fill\S/�Q� , \ 5 i \ �S%9 f� i \ \ I, �• , � 1 / N/F \ \ / AMRITT SANDRA & / WILLOUGHDY- 4 NCPIN: 435803327 59 \ PARCEL^Ib:�034134 .. 1 / N/F \ WILHLEO H. 43 / NCPIN: 435803323108 \ ------ PARCEL ID: 048692 Ile DB 919 PG 251 / \ ZONING: RURAL AGRICULTURA USE: SINGLE FAMILY RESIDEN AL r r r r / , f ---, EX. / MANN RIM: 42. INV.: 32.1 t 1 1 / 1 r 1 1 � 1 r 1 1 1 1 1 1 r` 1 1 r 1 I 1 / ' N ` P \ r 1 1 r'i I I 1 / t r l I i I \ \ n' -N/F \ _ CAPE "FEAR PPRECAST,--LLC--- NCPIN: 4358033,14445 / PARCEL ID: 071977 DB 2898,PG 219 BM 5,3- PG 50 ZONING: HEAVY INDUSTRIAL USE: PRECAST CONCRETE MANUF. r , I / I \j " z- "-------- 1 � 1 1 / / / / 1 ; , i t 1\ Wadi r = sa Diratth Rr Dft RNDIN 4M Clhedmd sy Job Nn DIN 206036,10 DB 1365-PG 322 BM 53 PG 50 ZONING: HEAVY INDUSSTT R IAL- USE: ELEVATED WATER TANK EXISTING ELI WATER TANK / C. 13 OUT_ 7.57 I i S.T. WOOTEN CORPORATION BURTON INDUSTRIAL PARK CONCRETE PLANT JACKSONVILLE ONSLOW COUNTY NORTH CAROLINA 1 EXISTING CONDITIONS PLAN DEED & PLAT REFERENCES: * DB 136 PG 322 « DB 919 PG 251 * DB 957 PG 587 « DB 1248 PG 666 • DB 1365 PG 322 * DB 2898 PG 219 * BM 36 PG 152 + BM 51 PG 127 « BM 53 PG 50 * BM 64 PG 76 ■ BM 58 PG 117 REFERENCES: * TOPOGRAPHIC INFORMATION FROM ONSLOW COUNTY GIS DATA AND GPS SURVEY DATA BY S.T. WOOTEN CORPORATION. '4/a4�i3 WITHERS & RAVEN EL ENGINEERS I PLANNERS I SURVEYORS 115 MacKenan Drive Cary, North Carolina 27511 tel: 919-469—BQ www.withersrovenel.com License No, C-0832 Sheet Na. \ \ N/F v/ _ \ EVELL NCPIN: PIN: 42580332326398 PARCEL ID: 016757 DB 957 PG 587 ZONING: RURAL AGRICULTURAL \ \ USE: WOODED/VACANT W D Y\ \ • \ r 7 \ MATERIAL STORAGE YARD 3.42 ACRES \ Z 4 5 \\ �20' BMP ACCESS v ^\ \ EASEMENT TO BMP 2 O �\ Z_ ° so 4}y N/F CAPE FEAR PRECAST, LLC NCPIN: 435803314445 PARCEL ID: 071977 DB 2898 PG 219 BM 53 PG 50 ZONING. HEAVY INDUSTRIAL USE: PRECAST CONCRETE MANUF. N/F WHITNEY, LIONEL NCPIN: 435803425518 PARCEL ID: 003490 DB 1248 PG 666 BM 58 PG 117 ZONING: RURAL AGRICULTURAL \ USE: WOODED/VACANT )� 1 \ INDUSTRIAL PARK BUFFER PROPOSED SITE 10.01 ACRES 43618474 SQ. Fr. DEVELOPABLE AREA WITHIN SETBACK LINE 8.18 ACRES 7 ` 35613822 SQ. FT. \ AGGREGATE TRUCK (TYP.) \ WOODS �Opp`�p'G\ CONTROL ROOM AG CONTROL LOON (56' X 14') J� \ •D a9s \�9� . CE LE o�p HARKI G 2i� \ SPA Q Gf a CONC. SI =50' `\ DRIVEWAY \ � NTRANCE , a \R= SS P. PARKIN / \ R=5 '— / N/F \ ONSLOW COUNTY / NCPIN: 435803319414 PARCEL ID: 071976 DB 1365 PG BM 53 PG 500 ZONING: HEAVY INDUSTRIAL \ USE: ELEVATED WATER TANK \ EXISTING ELEVATE WATER TANK Wu r=sw DwmBy u1m Dde 4WD Cherlsd By lob Nm DW 212fD35510 0 \\ •0, DRIVEWAY \ EXIT LPG 5 HC TRUCK wwhaft below. Call beforeym 0 S J \ p�n�P �o PROPOSED CHAIN LINK FENCE U I , I / / , CONCRETE TRUCK ' DRUM WASHOUT AREA , 20' BMP ACCESS / , EASEMENT TO BMP 1 ' , , AGGREGATE STORAGE BINS SITE DATA TABLE OWNER ONSLOW COUNTY 4024 RICH JACKSONVILLE,DNCHIGHWAY 28540 ADMIX ADDRESS: BURTON PARK BOULEVARD CONTAINMENT �j ,' 0,1 JACKSONVILLE, NC CURRENT USE: VACANT , SILOENT � PROPOSED USE: eCONCRETE PLANT , CURRENT ZONING: IND—H (HEAVY INDUSTRIAL) SILO .—AUXILIARY ,' TOTAL SITE ACREAGE: 10.01 AC ' ACREAGE IN SETBACKS: 1.83 AC PORTABLE / `�'' CONCRETE NET DEVELOPABLE ACREAGE: 8.18 AC tl ' NCPIN: w435702697417 PARCEL NUMBER: 036248 / DEED BOOK/PAGE: 1365/322 MAP BOOK/PAGE: 64/76 # OF EMPLOYEES: 8-10 S.T. WOOTEN CORPORATION BURTON INDUSTRIAL PARK CONCRETE PLANT JACKSONVILLE ONSLOW COUNTY NORTH CAROLINA ONSLOW COUNTY NCPIN: 435702697417 PARCEL ID: 036248 DB 1365 PG 322 BM 64 PG 76 BM 36 PG 152 ZONING: HEAVY INDUSTRIAL USE: WOODED/VACANT NEW ACREAGE: 533.60 AC OLD ACREAGE: 543.61 AC SITE PLAN REQUIRED PARKING SPACES: 5 PROVIDED PARKING SPACES: 9 (1 H/C ACCESSIBLE) GROSS FLOOR AREA: 784 SQ. FT. EXISTING BUILDING LOT COVERAGE: -0 SQ. FT. PROPOSED BUILDING LOT COVERAGE:-784 SQ. FT. BUILDING HEIGHTS: CONTROL ROOM: 15' TALL (1 STORY) MAXIMUM PLANT HEIGHT: 30' TALL GENERAL NOTES: 1. A DRIVEWAY PERMIT AND NECESSARY RIGHT—OF—WAY ENCROACHMENT AGREEMENTS WILL BE OBTAINED FROM NCDOT PRIOR TO PLANT OPERATION. 2. CONTRACTOR MUST NOTIFY ONE —CALL CENTER, INC. (NC ONE —CALL) (1-800-632-4949) AT LEAST 48 HOURS PRIOR TO THE START OF EXCAVATION OR TRENCHING TO HAVE ALL UNDERGROUND UTILITIES LOCATED. 3. ALL REQUIRED IMPROVEMENTS SHALL CONFORM TO ONSLOW COUNTY'S AND THE STATE'S STANDARDS. 4. THERE IS NO 100 YEAR FEMA FLOODPLAIN LOCATED ON THIS PROPERTY PER FIRM PANEL 3720435800J EFFECTIVE DATE NOVEMBER 3, 2005. 5. NO JURISDICTIONAL WETLANDS EXIST ON PROPERTY PER SITE SURVEY BY HAL OWEN & ASSOCIATES, LICENSED SOIL SCIENTIST. 6. BOUNDARY INFORMATION FROM RECORDED PLATS AND DEEDS. • DB 136 PG 322 • DB 919 PG 251 • DB 957 PG 587 • DB 1248 PG 666 • DB 1365 PG 322 • DB 2898 PG 219 • BM 36 PG 152 • BM 51 PG 127 • BM 53 PG 50 • BM 64 PG 76 • BM 58 PG 117 `ji3 C Apo, MAT u Zr�.-OFESSjp� S = 0 25' 1i0' Mir WITHERS & RAVEN EL ENGINEERS I PLANNERS I SURVEYORS 115 MocKenon Drive Cary, North Carolina 27511 tel: 919-469-3340 www.withersravenel.com License No. C-0832 Sheet Na 2 al 11