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Home My WebLink AboutSWA000153_Plansheet 2 - Grading_Drainage Plan_20220711PERMANENT SWALE CHART, KERNODLE LANDING SUBDIVISION PH4 AREA FLOW UPSTREAM AREA TOTAL SLOPE LEFT RIGHT ACTUAL VELOCITY BOTTOMWIDTH SWALE SWALE (AC.) TOTAL COMPOSITE C CX I Q(CFS) Q(CFS) (%) SLOPE SLOPE TYPE LINER N DEPTH DEPTH (FT) TOP(FT) (FT/SEC) T(PSF) (FT) REMARKS (AC) (FT) 1 0.78 0.78 0.4 2.79 2.17 2.17 5.00 4:1 3:1 TRI N/A 0.045 0.48 1.50 10.5 2.69 1.50 N/A 2 1.54 1.54 0.4 2.79 4.29 4.29 1.50 4:1 3:1 TRAP N/A 0.040 0.61 1.50 10.5 2.24 0.57 1.0 3 0.32 0.32 0.4 2.79 0.89 0.89 1 1.50 4:1 1 3:1 TRI I N/A 0.045 1 0.43 1.50 10.5 1 1.38 0.40 N/A I = 6.97 I N/HR (10-YR STORM) C=0.40 KERNODLE LANDING SUBDIVSION-STORM SEWER CHART 25-YR STORM EVENT, 10 MIN. TIME OF CONCENTRATION TRI =TRIANGULAR TRAP = TRAP EZO I DAL (W I TH BOTTOM WIDTH) Pipe Inlet Runoff Sub- Total Rainfall Subarea Total Outlet Pipe Outlet Pipe Minim Provided Full Flow Pipe Upstream Downstream Head Head Pipe Provided Remaining No. Pipes Coeff. Area Area Intensity Flow Flow Theo. Dia. Diameter Slope Cap. Slope Cap. Velocity Length Invert Invert Centroid Req'd No. Inlet Inlet Ci Ai A I Qi (cfs) Qt=Qi+Qp (Inches) (Inches) (ftlft) (cfs) (ftlft) (cfs) (ftlsec) (feet) (feet) (feet) Depth Depth 1 - 0.40 3.76 3.76 6.07 9.1 9.1 19.4 24 0.50% 16.0 1.02% 22.8 7.3 53.75 650.55 650.00 0.4 1.4 6 3.12 1.8 C=0.40 (2 Homes/Acre) TEMPORARY SKIMMER BASIN CHART, KERNODLE LANDING PHASE 4 TOTAL TOTAL 10-YEAR TOP TOP SIDE REQUIRED VOLUME REQUIRED EMERGENCY BASIN# DRAINAGE DISTURBED COMPOSITE INTENSITY Q LENGTH WIDTH DEPTH SLOPES SEDIMENT PROVIDED SURFACE SURFACE AREA WEIR LENGTH SKIMMER ORIFICE DEWATERING AREA (AC) AREA (AC) C-VALUE (INIHR) (CF0 (FT) (FT) (FT) (H:V) VOLUME (CU FT) (CU FT) AREA (SQ FT) pROVIDED(SQFT) (FT) SIZE (IN.) (IN.) TIME(DAYS) 1 4.07 1.21 0.40 5.57 9.07 80 40 2.00 2:1 2178 5504 2948 3200 10', 0.5' Flow 1.5 1.50 3.00 TEMPORARY SWALE CHART, KERNODLE LANDING SUBDIVISION PHASE 4 AREA FLOW UPSTREAM AREA TOTAL SLOPE LEFT RIGHT ACTUAL VELOCITY BOTTOMWIDTH STAPLE SWALE SWALE (AC.) TOTAL COMPOSITE C CX I Q(CFS) Q(CFS) I%) SLOPE SLOPE TYPE LINER N DEPTH DEPTH (FT) TOP(FT) (FT/SEC) T(PSF) (FT) LINING PATTERN (AC) (FT) 1 0.78 0.78 0.4 2.20 1.72 1.72 5.00 4:1 3:1 TRI TEMP 0.032 0.38 1.50 10.5 3.33 1.19 N/A NAG S75 OR EQUAL D 2 1.54 1.54 0.4 2.20 3.39 3.39 1.50 4:1 3:1 TRI TEMP 0.035 0.52 1.50 11.5 2.33 0.49 1.0 NAG S75 OR EQUAL D 3 0.32 1 0.32 0.4 1 2.20 0.70 1 0.70 1.50 1 4:1 3:1 1 TRI TEMP 10.038 0.36 1.50 10.5 1.50 0.34 N/A I NAG S75 OR EQUAL D I = 5.5 I N/HR (2-YR STORM) TEMPORARY U NER = NORTH AMERI CAN GREEN OR EQUAL C=0.40 TRI =TRIANGULAR TRAP = TRAP EZO I DAL (WITH BOTTO M W I DTH ) OUTLET PROTECTION, KERNODLE LANDING PHASE 4 OUTLET DESIGNATION PIPESIZE(IN) FULL FLOW VELOCITY (FPS) ZONE W (FT) La (FT) THICKNESS (IN) STONE CLASSIFICATION PIPE-1 24 7.4 2 6 12 18 CLASS B 30" HDPE 30 14.5 3 7.5 20 24 CLASS 1 15" HDPE 15 10.5 2 4 1 8 18 CLASS B 1 LYNN C. & LISA J. HORNER PIN# 88579620551 DB 2222 PG 431 \\ /PB 69 PG 362 \ I \ � � 1 1 I ^ ^ 0 i so 660 Og °\ 1.28 AC (OUTSIDE STREAM BUFFER) \ / 1.53 AC (TOTAL) JERRY LEON & 10 I PRICELLA BELL \ PIN# 8857755998 �- DB 2242 PG 915 43,215 SF \ PB 69 PG 421 PROP. 15" RCP \ > < HOUSE TYP. I r ,, 6 107 0 60 TEMP. DIVERSION f S$ \ 39,954 SF BERM (TYP.) �� -3 SILT FENCE BEGIN 1.05 AC F - - I PROP. 15" RCP \ IL J EX. WETLANDS 0 20' PSLAME DELINEATED BY \ 111 ESMT. FOR+w PILOT ENVIRONMENTAL, OFF -SITE SEPTIC \ INC. ;4 3: t� 1.41 AC (OUTSIDE WETLANDS) DISTURBED L 1.48 AC (TOTAL) LIMITS (TYP.) i 20' DRAINAGE _ EX. PROP "ESMT11PING# 8857^74808 MYW TYLINE RECO NE'JL DB 0504 PG 1050 660 4 112 D SKIMMER BASIN #1 1.03 AC (OUTSIDE WETLANDS) 1.13 AC (TOTAL) 7 1.33 AC (OUTSIDE WETLANDS) �� 1.37 AC (TOTAL) SKIMMER OUTLET 7 W/ 2'X2'X1' - CLASS A OUTLET PAD 13 DIVERSION BERM (TYP). 1.10 AC (OUTSIDE WETLANDS) 10'x70' SIGHT ESMT. 1 TEMP. ROCK OUTLET 1- J .13 AC (TOTAL) / \ _ SILT FENCE BEGIN GERRINGER MILL ROAD S.R. 1530 ^ 60' PUBLIC R/W 10' UTILITY ESMT. EX. 18' RCP-� =�EX.15"RCP ° EX. 12" RCP - n X. 21' +/- ROADWAY OHU OHU HU OHU OHU OHU OHU OHU OH U 60. RIGHT OF WAY TO BE \ I DEDICATED BY PLAT ALONG ENTIRE FRONTAGE o OF PROPERTY y L--J ALLEN 807 ' I �� D.B. PIN: 1 85.11 N 0 106 5.97 AC (OUTSIDE STREAM BUFFER/ WETLANDS) 6.30 AC rn (TOTAL) o � sl> . HORNER PIN# 8857962055 DB 2222 PG 431 PB 69 PG 362 COMMON ELEMENTS' " PROPOSED OFF -SITE SEP C AREAS FOR LOTS 107, 109-113 4.87 AC. (THE NEED FOR AN OFF -SITE AREA FOR LOT 105 SUB CT I TO ALAMANCE ENVIRONMENTAL HEALTH EVALUATI N) l\ I TEMP. ROCK OUTLET EXCAVATED SEDIMENTSTORAGE EX. WETLANDS DELINEATED BY PILOT ENVIRONMENTAL, INC. \ 20' SHARED DRIVEWAY ACCESS ESMT. TO SERVE OFFSITEEPTIC AREAS ANDND LOT 106 SILT FENCE END CAROL W. SMITH PIN# 8857958740 DB 2375 PG 191 PB70PG319 PROPOSED10'GRAVEL 8" THICK COMPACTED ACCESS ROAD TO OFF -SITE SEPTIC AREAS TEMP. ROCK OUTLET W/ 10'x20'x2' EXCAVATED SEDIMENT STORAGE �6-00 - DISTURBED 15" HDPE �� TYP. L I I 1 O C EX. TREE LINE J H U I LIMITS (TYP.) DISTURBED 1.25 AC ISLEY Z U LIMITS (TYP.) 2028 PG. 346 1Q m D.B. D.B. PIN: 128383 e L0 101 w i I � a J 1.31 AC 37,717 SF 102 20' DRAINAGE ESMT. � 34,181 SF EX TREFI/NF 100 g0 / 53.75 LF @ 1.02% _ 24" RCP 1.53 AC 99 / P-1 a } INV. IN: 650.55 103 EX. BARN j- - INV. OUT: 650.00 TBR I- - -( SEX• TO PROPERT 1.08 AC - J I B RE EC ENE \ 37,485 SF ( I r OMBINED 1ox7p SIGHT \ I ESMT L_J L_J I �� TILITYSMT. J MANN oHu `0H u WYr VA- EX. 18" RCP 0 _ \ o� J D.B. 489 PG. 439 off- - _ _\ - - �\ PIN:118531 ON TEMP CONST. ENTRANCE �- (01� °NU \ LD 64 ► a Hu z� LJ �OHU Q UW - � HU _ \ W ca z O / BECEOM BENJAMIN CIL FE EST o Hu oHu \ \ OC Ln PIN# 8857944703 w DB 2311 PG 0742 Y X w PROP. 30 LF _ PROP. 30 LF 30" HDPE INLET PROTECTION 14 MUST CO p�jflLfTY PR0 F�R2! C; 0 r�fj b BEFORE YOU DIG! CALL 811 N.C. ONE -CALL CENTER IT'S THE LAW! ENVIRONMENTAL HEALTH/SOILS NOTES: SOILS MAPPING PERFORMED BY OTHERS. RD 0, J PARCEL DATA TERRY SMITH VICINITY MAP 1" = 2000' ALAMANCE PIN#: 118512 & PORTION OF 118453 TOTAL ACREAGE: 29.161 AC. DEED REF: D.B. 3802 PG. 424 D.B. 803 PG. 650 EXISTING ZONING: N/A EXISTING USE: VACANT/AGRICULTURE PROPOSED USE: RESIDENTIAL 450 +/- LF OF PUBLIC STREETS PROPOSED TOTAL PROPOSED LOTS: 16 TOTAL BUILDING SETBACKS: FRONT SETBACK: 30' SIDE SETBACK: 10' 0 SIDE SETBACK ABUTTING A STREET: 25' REAR YARD SETBACK: 20' CUL-DE-SAC: 30' q WATERSHED INFORMATION: THIS PROPERTY IS NOT IN A WATER SUPPLY WATERSHED. FLOOD INFORMATION: THIS PROPERTY IS NOT LOCATED IN A SPECIAL FLOOD HAZARD AREA PER FIRM PANEL 3710885700J DATED 09/06/06 OFF -SITE SEPTIC AREAS TO MEET OFF -SITE POLICY FROM STATE OF NORTH CAROLINA AND SUBDIVISION ORDINANCE STANDARDS. OFF -SITE LAYOUTS FOR LOTS TO BE PERFORMED BY A LICENSED SOILS SCIENTIST WITH LOT NUMBERS THAT CORRESPOND TO THE LOT EACH AREA SERVES. NO LONGITUDINAL RUNS OF PRIVATE SEWER ARE ALLOWABLE WITH THE RIGHT OF WAY. PERPENDICULAR STREET CROSSINGS WITH FULL ENCASEMENT WITHIN THE RIGHT OF WAY ARE ALLOWABLE WITH A NCDOT ENCROACHMENT AGREEMENT. EROSION CONTROL NOTES: (ALSO SEE DETAIL SHEETS) 1. PROPOSED DISTURBED AREA: 2.81 AC. 2. THE EROSION AND SEDIMENTATION CONTROL MEASURES AND DEVICES SHOWN ON THE DRAWINGS ARE INTENDED AS A GUIDE. AS GRADING PROGRESSES, MEASURES MAY BE ADDED OR DELETED BY THE EROSION CONTROL OFFICER AS DEEMED NECESSARY TO CONTROL EROSION AND SEDIMENTATION. IF GRADING CONTRACTOR FEELS THAT ADDITIONAL MEASURES ARE NEEDED OTHER THAN THOSE INDICATED, GRADING CONTRACTOR SHOULD CONTACT THE OWNER AND ENGINEER IMMEDIATELY FOR APPROVAL OF THE CHANGES. 3. ALL EROSION AND SEDIMENTATION CONTROL MEASURES AND DEVICES SHALL BE INSTALLED AND MAINTAINED IN ACCORDANCE WITH THE NCDENR - LAND QUALITY SECTIONS 'EROSION AND SEDIMENTATION CONTROL PLANNING AND DESIGN MANUAL.' 4. ALL DISTURBED AREAS SHALL BE SEEDED AND MULCHED IN ACCORDANCE WITH THE NPDES GROUND COVER REQUIREMENTS AS SHOWN ON DETAIL SHEETS. 5. ROUGHEN SLOPE SURFACES TO MINIMIZE EROSION DURING VEGETATION ESTABLISHMENT. NOTES: THIS MAP DOES NOT MEET G.S. 47-30 AND IS NOT FOR RECORDING THIS PROPERTY IS SUBJECT TO ANY EASEMENTS, AGREEMENTS, OR RIGHTS -OF -WAY OF RECORD PRIOR TO THE DATE OF THIS MAP AND WHICH WERE NOT VISIBLE AT THE TIME OF INSPECTION. THIS MAP WAS PREPARED WITHOUT THE BENEFIT OF A TITLE REPORT AND DOES NOT NECESSARILY INDICATE ALL ENCUMBRANCES UPON THIS PROPERTY. TOPOGRAPHIC INFORMATION TAKEN FROM ALAMANCE COUNTY GIS AND SURVEY DONE BY ALLRED LAND SURVEYING DATED 07-06-2022. BOUNDARY INFORMATION TAKEN FROM SURVEY BY ALLRED LAND SURVEYING, INC., PROJECT # 2017-74, DATED 07-06-2022. NO SURVEYING OR SUBSURFACE INVESTIGATIONS PERFORMED BY STOLTZFUS ENGINEERING, INC. THIS PLAN US UNDER COPYRIGHT PROTECTION OF STOLTZFUS ENGINEERING, INC. AREA OF LOTS, STREET, COMMON AREA SHOWN ON THIS MAP ARE PRELIMINARY AND SUBJECT TO FINAL DESIGN AND REVIEW AGENCIES. CONTRACTOR TO LOCATE ALL UTILITIES PRIOR TO CONSTRUCTION AND REPORT ANY CONFLICTS TO THE ENGINEER. CONTRACTOR IS RESPONSIBLE FOR ANY REQUIRED PEDESTRIAN OR TRAFFIC CONTROL PLANS, EQUIPMENT, AND LABOR REQUIRED FOR TRAFFIC CONTROL. WORK SCHEDULE SHALL BE COORDINATED WITH OWNER. ALL CONSTRUCTION TO BE TO THE STANDARDS AND SPECIFICATIONS OF NCDENR & FOR EROSION CONTROL AND NCDOT FOR ROADWAY INFRASTRUCTURE. STREET PROPOSED ARE TO BE PUBLIC AND MAINTAINED BY THE NCDOT. PROPOSED MAIL KIOSK SUBJECT TO USPS APPROVAL C14 C -I E M O � M �? i 00 U W =5 c'V S r- O LU. L p U N fV C: U N p 3 Z C N tao c J a) 4-1 0 C: ,� ro > Lo N m CU ^ Y Q fu N O% U [(R W E LA N rMNN 0) 0 c LU (/� U z/ -) zJ O J �o�rn QQN /J LL on OC oc N J O J U Q z Z C LL rI - O ua W J LU l/1 LUN - L LI DC d n Z L0 V� LU 0 wm m w ° LU Lu � Q Z �C7lC7m 0 i U a z C7 0 Z V) 0�/ z LU a Cz J LU LLJ V J Q p z_ O Q DC /Z Y� W 1 (D Z Q z 0wZ Z � 0 z U Q O u =_jJ O Q d U . � V) Z w LU Z 0< O O Cr � aunUF- 3 c a z w H LU 3 O ° z 0 Z U o o en N LEGEND ' LUU U 6 o � z a w O STORM MANHOLE (STMH) DB DEED BOOK x a LU N r,4 UTILITY POLE PB PLAT BOOK Q M PG PAGE Lfi l7 R/W RIGHT-OF-WAY O z LIGHT POLE E/P EDGE OF PAVEMENT ° a a a a a a E/G EDGE OF GRAVEL a GROUND LIGHT CONC CONCRETE RCP REINFORCED CONCRETE PIPE DRAWN BY: SBP GUY WIRE DI DROP INLET CHECKED BY: ARS CI CURB INLET FIFE FINISH FLOOR ELEVATION DATE: 03/29/2022 ® YARD INLET (YI) BSMT BASEMENT PROJECT NO.: 302-19 0 UTILITY PEDESTAL TPED TELEPHONE PEDESTAL REF. NO.: THH TELEPHONE HAND HOLD GV GAS VALVE DMUE DRAINAGE MAINTENANCE & UTILITY EASEMENT SCALE: 1"=100' OHU OVERHEAD POWER LINE ---�-----�--- GAS LINE WOODSLINE (TYP.) CAR WATERLINE ��O SILT FENCE (TYP.) C�EJJJ ``'O^O``,�1,1C�O��% /Z ue UNDERGROUND ELECTRICAL PROP. DISTURBED LIMITS = = x FENCE LINE - TEMP. DIVERSION BERM /2 ` �' 0/26461 TEMP, CLEAN WATER DIVERSION BERM � 0 l`1 `oG_ 12" STRAW WATTLES, .��Ri��lllllln»�77>u�nu�i�Jnn`oo��l \`V``•• DITCH LINE PROTECTION Sglo,TtisO,%%,,,```�� GRAPHIC SCALE 100 0 50 100 200 400C2 20F6) ( IN FEET) 1 inch=100ft.