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HomeMy WebLinkAboutWPO202100006 Plan - VSMP 2021-05-04@ 2020 - 30 LLC FOOTHILL FARM MAINTENANCE BUILDING VIRGINIA STORMWATER MANAGEMENT PROGRAM (VSMP) PLAN WPO 202100006 TMP 62-73B ABBREVIATIONS SYMBOLS ALBEMARLE COUNTY, VIRGINIA RIVANNA MAGISTERIAL DISTRICT AC ACRE EXISTING PROPOSED ADA AMERICANS WITH DISABILITIES ACT ----- _._.._.._.._..I VDOT STD. EC-2 DITCH LINING ARV AIR RELEASE VALVE ._ BF BASEMENTFLOOR BM BENCH MARK VDOT STD. EC-3 DITCH LINING BW BOTTOM OF WALL (AT GROUND LEVEL) -498— — —12— CFS CUBIC FEET PER SECOND CONTOUR LINE WITH ELEVATION CG-12 ADA ACCESSIBLE CURB RAMP (VDOT STANDARD) 12 STORM SEWER STRUCTURE IDENTIFIER CL CLASS CMP CORRUGATED METAL PIPE O SANITARY SEWER STRUCTURE IDENTIFIER CO SANITARY SEWER CLEANOUT CONC CONCRETE BENCHMARK, TEST PIT CY CUBIC YARDS DB/PG DEED BOOK/PAGE MANHOLE WITH FRAME AND COVER DEQ VIRGINIA DEPARTMENT OF ENVIRONMENTAL QUALITY DIP DUCTILE IRON PIPE + 65EX + 65 SPOT ELEVATION DOM DOMESTIC E&S EROSION AND SEDIMENT CONTROL q (� ADA PARKING SYMBOL EL, ELEV ELEVATION EP, EOP EDGE OF PAVEMENT @ WATER CROCK METER ESMT EASEMENT EW END WALL FIRE HYDRANT EX EXISTING FF FIRST FLOOR FH FIRE HYDRANT 0 • WATER VALVE FM FORCE MAIN — — WATERMAIN FPS FEET PER SECOND GSF GROSS SQUARE FEET '~ SANITARY SEWER MAIN GW GUY WIRE HDPE HIGH -DENSITY POLYETHYLENE PIPE m STORM SEWER HP HIGH POINT HT HEIGHT PROPERTY LINE/RIGHT-OF-WAY LINE INV INVERT IRF IRON ROD FOUND CENTER LINE IRS IRON ROD SET --- L LENGTH FENCE LINE LAT LATERAL LF LINEAR FEET EASEMENT LINE LP LOW POINT ---- LT LEFT MAX MAXIMUM MH MANHOLE MIN MINIMUM NSF NET SQUARE FEET NTS NOT TO SCALE OHE OVERHEAD ELECTRIC PC POINT OF CURVATURE PERF PERFORATED PL PROPERTY LINE PROP PROPOSED PSI POUNDS PER SQUARE INCH PT POINT OF TANGENCY PVC POINT OF VERTICAL CURVATURE PVC POLYVINYL CHLORIDE PIPE PVI POINT OF VERTICAL INTERSECTION PVT POINT OF VERTICAL TANGENCY R RADIUS R/W RIGHT-OF-WAY RCP REINFORCED CONCRETE PIPE RED REDUCER RPA RESOURCE PROTECTION AREA RT RIGHT RTE ROUTE SAN SANITARY SEWER SD SIGHT DISTANCE SDR STANDARD DIMENSION RATIO STA STATION SVC SERVICE SW SIDEWALK SWIM STORMWATER MANAGEMENT T TRANSFORMER TBR TO BE REMOVED TC TOP OF CURB TP TELEPHONE PEDESTAL TW TOP OF WALL UG UNDERGROUND UGE UNDERGROUND ELECTRIC UGT UNDERGROUND TELEPHONE/FIBER LINE UGU UNDERGROUND UTILITY VDOT VIRGINIA DEPARTMENT OF TRANSPORTATION VESCH VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK VSMP VIRGINIA STORMWATER MANAGEMENT PROGRAM WM WATER METER WTR WATER WV WATER VALVE ALBEMARLE CITY OF COUNTY CHARLOTTESVILLE FOOTHILL FARM DRIVE 11?0 �RoGrQosr �Ro DARDENTOWE p�yQ rtio SITE PARK C, �O N VICINITY MAP SCALE: 1 "=2000' OWNER: TOBIAS A DENGEL TRUST 1740 FOOTHILL FARM DRIVE CHARLOTTESVILLE, VA 22911 ENGINEER: 30 SCALE, LLC 871 JUSTIN DRIVE PALMYRA, VA 22963 434-242-2866 ATTN: MICHAEL MYERS, PE, CFM RESPONSIBLE LAND DISTURBER DEREK TRIMINGHAM (CERT NO. 33125) LIMITS OF DISTURBANCE = 32,950 SF(0.76 AC.) WATERSHED = RIVANNA RIVER AND MEADOW CREEK HUC CODE = JR-14 REVISIONS # DESCRIPTION DATE 1 ADDRESS COMMENTS 5/5/2021 SHEET INDEX # SHEET TITLE 1 COVER SHEET 2 EXISTING CONDITIONS 3 EROSION AND SEDIMENT CONTROL PLAN 4 ESC-SWM NARRATIVE AND DETAILS 5 GRADING-SWM PLAN 6 DRAINAGE DIVIDES 7 DITCH AND CULVERT CALCULATIONS PROPERTY INFORMATION: TAX MAP AND PARCEL: 62-73B OWNER: TOBIAS A DENGEL TRUST AND LYNN T DENGEL TRUST SITE AREA: 5 AC SOURCE OF TITLE: DB 5107 PG 651 TOPOGRAPHIC SURVEY ROGER RAY AND ASSOCIATES, NOVEMBER 4, 2020 BOUNDARY SURVEY PLAT OF RECORD DATUM: NAVD 1988 CITY/STATE ALBEMARLE COUNTY, VIRGINIA ZONING: RA FLOODPLAIN NOTE: THE PROPERTY IS LOCATED IN ZONE "X", AN AREA DETERMINED TO BE OUTSIDE THE 0.2% ANNUAL CHANCE FLOOD PLAIN AS SHOWN ON FEMA MAP NO. 51003CO295D, EFFECTIVE DATE FEBRUARY 4, 2005. VRRM SPREADSHEET Virginia Runoff Reduction Method Worksheet DEQ Virginia Runoff Reduction Method New Development Compliance Spreadsheet - Version 3.0 BMP Design SpeciJimrions List: 2013 Draft Stds & Specs Site Summary Project Title: WPO2021000D6 - Foothill Farm Mamt. Bldg. Date: 44280 Total Rainfall = 43 inches Site Land Cover Summary A soils B Soils C Soils D Soils Totals % of Total Forest/Open (acres) 0.00 0.00 0-00 0.00 000 0 Managed Turf (acres) 000 0,94 000 0.00 0.54 71 Impervious Cover (acres) 0-00 0.22 0-00 0.00 0-22 29 076 100 Site Tv and Land Cover Nutrient Loads Site Rv 0 42 Treatment Volume Ift') 1,161 TP Load (lb/yr) 073 TN Load (Ib/ r) 5.22 Total TP Load Reduction Required (lb/yr) 0 42 Site Compliance Summary Total Runoff Volume Reduction (ft) 0 Total TP Load Reduction Achieved (Ib/yr) 0.00 Total TN Load Reduction Achieved (I b/yr) 0.00 Remaining Post Development TP Load 0.73 (lb/yr) Remaining TP Load Reduction (Ib/yr) Required oat 0.42 LB/YR OF PHOSPHORUS CREDIT WAS PURCHASED BY THE OWNERS TOBIAS AND LYNN DENGEL ON APRIL 15, 2021 APPROVED by the Albemarle County Community Development Department Date 5/26/2021 File WP0202100006 Om SCALE ENGINEERING fowner : TOBIAS A DENGEL TRUST 740 FOOTHILL FARM DRIVE CHARLOTTESVILLE, VA 22911 engineer: 30 SCALE, LLC I871 JUSTIN DRIVE PALMYRA, VA 22963 p: 434.242.2866 e: mike@30scale.com web: www.30scale.com 11 V z 0 W LU CU z z LI I— z C� G NG I..L ILL J J 2 I11— O O ILL 0 Lic. No. 33028 05/04/2021 sheet title: COVER SHEET scale: 111=20' date: 1 /26/2021 I sheet # 00 co 1 N co 1 OF 7 G a f i— U i— co 0 J Q LU w co C7 Q z z © 2021 - 30 LLC l 3'1@N EXISTING SOILS INFORMATION SOURCE: WEB SOILS SURVEY BY NRCS Custom Soil Resource Report ry Soil Map ; N W k k TBSJ 7!'J:lJO TC9® ,XOp TdfIIJ fA `� T&No T2NeM 3 K pSmle: 1:1,020 rp WW m A PwW&(&S" z 11") Meet It N� IN6 ,5 3D fi0 90 A Rr 0 45 90 S3 N�pojamm: wen Nemlor CmermortreRs: WG54 B79e8a: UIM Zm 17N7N WG584 9 Map Unit Legend ID•JIB'N 3 SI N Map Unit Symbol Map Unit Name Acres in AOI Percent of AOI 71C 71 D Rabun clay loam, 7 to 15 percent slopes 0.1 2.1 6.1% 86.1 % Rabun day loam, 15 to 25 percent slopes 720 Rabun clay, 7 to 15 percent slopes, severely eroded 0.2 7.8% Totals for Area of Interest 2.4 100.0% KEY v v v v v CRITICAL SLOPES (PER ALBEMARLE COUNTY GIS) vvvv SOILS TYPE BOUNDARY 71C NRCS SOILS TYPE NOTES 1. NO DETERMINATION WAS MADE AS TO THE LOCATION OR EXISTENCE OF UNDERGROUND UTILITIES. CALL MISS UTILITY BEFORE ANY GROUND DISTURBING ACTIVITIES. 2. TAX MAP 62 PARCEL 73B IS SUBJECT TO THE FOLLOWING: A. EASEMENTS TO VIRGINIA ELECTRIC AND POWER COMPANY (D.B. 689-553 & D.B. 615-389). B. 30' R/W (D.B. 1088-693 PLAT). 3. NO TITLE REPORT FURNISHED. THIS PROPERTY SUBJECT TO ANY CONDITIONS, UTILITIES, EASEMENTS, AND/OR COVENANTS THAT MAY EXIST. REVISIONS # DESCRIPTION DATE 1 ADDRESS COMMENTS 5/5/2021 Zr JOAN W. MILLER TMP62-]1B]ZONE RA USE: RESIDENTIAL DB 07 PG 490 PLAT \ \� EM \ \ �\ \\ _� 570— HP CHIMNEYI STORY FRAME STONE I / j \� \ \ \ --- \74C \ _ WALK \ \ \_1 1 \` --_ — •__ L/I FRAME \ \ \ — 565 1 �.- ` \ kJ \ \ \\ \\ DicOk \ \ /\/�\/�a/< BUILDING _ pAT \________ \ \ \ --- - - — _ OV Ro — \ r` Ro� FOUND c 8�0�2 OUND \ \ \ u \ \ \ \ Y\ A \\ \ \ \ EXISTII G TREE TO � \ \ \ \l\ \ \ BE REMOVED -,PROJECTLQCATcl \ I \ \ TOBIAS A DENGEL TRUST & LYNN T DENGEL TRUST _ TMP62-71 560 ZONE: RA USE: RURAL AREAS IDS 5107 PG 651 \ \ \ \ \ \ \ \ \ \ \ \ 1 1 \ \ \MITS OF DISTURBANCE=0.75A 550 k �\ \ \ \\ \ \ \ \ \ \ \ I EXISTING (8) TREES ITHI TNTN HEttMIT � � \\ �\ \ \ �\`\�\ \�\ \ \ 1 /�\•I� \—\1 I I O�F\CONSTRUC\O TO BE REMO\ED/ Bosom T.M. 62-73B \ \ \� I I \ 1 \ \ I I I I I ( ( / / / / / �i� �-540 — TOBIAS A. DENGEL TRUST & = 1 I I `%� \ \ ' U / -7 LYNN T. DENGEL \ \ \ 1 I I \ / / /� / I 1� D.B. 5158-751-A & 752 PLAT \ I I l I 1 k D.B.5107-651 \ \ / �7 rJ/ — 5pa`yg2�/ WI D.B.5040-669 I 1 I I I I / / / / — — W yED 25 �i D.B. 1088-693 & 694 PLAT I 1 I 1 \ • \ \& / / / /� �� / / so eEp 2° �0 0 18°3217" T=28.56' D p DD D p DD C =56.37' 'B=N57°15'44"W D D p DD 0 p DD pppp / `/ / y^5/ / i \/\J \\ \ \ \ \ \ D D D D oD D D DD D D pD I- \ a $30 \ 1 D p 77 D D DD D D DD D p DD D p CRITICAL SLOPES PER ALBEMARLE COUNTY GIS 590 / �/ k / /// \ \ \ \ D D D D p pDD DD pDD DD pDD DD p `/ \ \ \ \ \ \ \ \ \ D D D D D D DDD , DDD Dpt7 DDDp D D Dp D D Dp D D Dp D� p D vv DDD pD D D pD D DDpD DDD pD DD / \ \ i Chi / wPITER OTECi1OR BUFFER /%\/ /1/\/�/`,(/'\` \ \ PERALB= / / SPRING / \ 6' / / SPRING 9% / \ 99, \ ` T= 0.28' C �0.24' 525 \ \ CB=N51°35'28"W / \ \ \ \ 33" \ CULV RT \ \ \ S'T \ \ �Ss==, zo �_ / / / � / • ( \ \ � j � .. L —520 — 09 \IY,rO 9 4=33°17'0"— '90 \ R=132.86' RICHARDG MILLER III \ \ T=39.73' TMP62-]] \ \ C=76.13' Y / / �' — — — — — — ZONE: RA \ \ C8=N38°32'25"W — — — — USE: RESIDENTIAL DB 625 PG 589 BW BROWN \ \ \ 5693fi18 i TMP62-76A l% / / ON USE ?RESIDENTIAL DB 1891 PG 690 \ S81°16'4T'W 45.2T / \ EXISTING CONDITIONS 0 30 60 90 SCALE: 1 "=30' EMSCALE ENGINEERING owner: TOBIAS A DENGEL TRUST 1740 FOOTHILL FARM DRIVE CHARLOTTESVILLE, VA 22911 engineer: 30 SCALE, LLC 871 JUSTIN DRIVE PALMYRA, VA 22963 p: 434.242.2866 e: mike@30scale.com web: www.30scale.com a 0— N0 I..L 0 W U) 0 Z 0 Of 11J sheet title: U 0 Z Q W 2 I..L LL J J Z 0 0 LL EXISTING CONDITIONS scale: 111=30' date: 1 /26/2021 1 i 0 z Z) 0 U w J LU W m J Q sheet # 2OF7 ©2021 - 30 SCALE, LLC 21006141070FS0100911111N1210190101111009101xel2101oi STD# ABBREV. SYMBOL E&S PRACTICE 3.02 CE '� CONSTRUCTION ENTRANCE 3.05 SF X-X- SILT FENCE 3.08 CIP CULVERT INLET PROTECTION 3.09 TEMPORARY DIVERSION DIKE 3.13 ST -► TEMPORARY SEDIMENT TRAP 3.18 OP OUTLET PROTECTION 3.31 TS --o-- TEMPORARY SEEDING 3.32 PS Ps PERMANENT SEEDING 3.35 MU MULCH 3.38 TP P TREE PROTECTION LOD - - - LIMITS OF DISTURBANCE TEMPORARY SEDIMENT TRAP COMPUTATIONS WET DRY WET DRY BOTTOM CLEANOUT ST DA STORAGE STORAGE STORAGE STORAGE TRAP ELEV REQUIRED REQUIRED PROVIDED PROVIDED DIMENSIONS # (AC) (CF) (CF) (CF) (CF) 1 1.97 3564 3564 3984 3747 26 X 22 541.0 1992 TYPICAL TREATMENT - 2 SOIL STABILIZATION MATTING SLOPE INSTALLATION FILL SLOPE SECTION `J. SOIL STABIUUTION MA1S SHOULD BE INSTALLED VERTICALLY / Q DONTISLOPE FOR BEST RESUL75. f A / / : 5' // 0 TOE MAINTAIN SLOPE ANGLE SLOPE LINING (WET SLOPE) TREATMENT - 2_ POLYPROPELYENE NON -WOVEN (NEEDLE PUNCHED) GEOTE%DlE FI KLTER H CIII TLOTRFATM ONEr - 2) OF CUT SLOPE Q NOTE- SLOPE SURFACE SKILL BE SMOOTH AND FREE OF V ROCRS, LUMPS OF DFN, CRASS AND STICKS. MAT SHALL BE PLACED MT ON SURFACE FOR PROPER SOIL ]� CONTACT. 4' DIRT SHALL BE TAMPERED PRIOR TO LAYING TOP / uPOVER �/ BERM TRENCH INTO BERM AND PROGRESS DOWNSLOPE SLOPE LINING (.DRY SLOPE) TREATMENT - BOTTOM OF FILL BOTTOM OF CUT SLOPE 9'DR SHOULM, BREAK POINT Source: VDOT Road and Bridge Standards 3.36 TOP OF CUT SLOPE 2' Plate 3.36-5 EC-2 DETAIL DETAIL TAKEN FROM VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK - SOIL STABILIZATION TREATMENT 1 (EQUIVALENT TO VDOT STD. EC-2) TEMPORARY DIVERSION DIKE DD) TEMPORARY DIVERSION DIKE VESCH STD. 3.09 REVISIONS # DESCRIPTION DATE 1 ADDRESS COMMENTS 5/5/2021 1992 3.13 TEMPORARY SEDIMENT TRAP TOP OF EMBANKMENT = 546.0 WIDTH = 3.0' i' VARVffiE CREST OF °F°CfPL WEIR = 545.0 vATNAB c CRWND 57 CU. YD./ACRE BOTTOM OF �. V°xwD E WEIR = 543.0 97 CU. YD./ACRE BOTTOM OF (ExcAVAUD) ` "° TRAP = 539.0 FL ER CLOTH GROUND EL" .���31�'CROSS SECTION OFCOARSE OUTLET CLASS IRIPRAP CLASS I RIPRAP � LENGTH (IN FEET) � 12' B x DRAINAGE AREA DIVERSION pN Ac.) DIRE COARSE AGGREGATE E AREA FILTER CLOTH �1 AREA fCOARSE AGGREGATE SHALL BE VDOT #'3, #357 OR #5 OUTLET (PERSPECTIVE VIEW) Source: Va. DSWC Plate 3.13-2 ST TEMPORARY SEDIMENT TRAP 1992 CIP VESCH STD. 3.13 SILT FENCE CULVERT INLET PROTECTION 'DISTANCE IS 5' MINIMUM IF FLOW 11T IS TOWARD DARANNMENT FLOW CULVERT INLET PROTECTION VESCH STD. 3.08 4.0' 3.08 PROVIDE DITCH LINING IN ACCORDANCE WITH DITCH SCHEDULE THIS SHEET - SEE SHEET 7 FOR DITCH CAPACITY AND VELOCITY CALCULATIONS DITCH CROSS-SECTION DITCH SCHEDULE n=0.03 LENGTH TOP DEPTH SLOPE SIDE Q10 V10 D10 FULL (FT) WIDTH (FT) (%) SLOPE (CFS) (FPS) (FT) CAP LINING (FT) (CFS) DITCH 1 72 4.0 1.0 15.00 2:1 3.10 6.73 0.48 22.40 CL Al RIP -RAP DITCH 2A 56 4.0 1.0 16.00 2:1 0.56 4.48 0.25 23.20 EC-1 RIP -RAP DITCH 2B 68 4.0 1.0 1.50 2:1 0.40 1.63 0.35 7.10 EC-2 DITCH 3 114 4.0 1.0 1.50 2:1 2.58 2.71 0.69 7.10 EC-2 _ I _ 575 - _ DITCH 3 - 114-LF V-DITCH LINED WITH \ \ - _ VDOT STD. EC-2 @ 1.5% \ '' r \ 565 - -� _ -�- \ -- �` _-------- - \ \M - -__ -- 1 1 - \\ 6�3\ :- PATH \EXISTING TREE DITCH 2B - 68-1-F,V-DITC LINED WITH VDOT STD. EC-2 @ 1.5% TO BE REMOVED 69 BANK s s a 560- `\\qy \\\ \ \� 6867- - i 66 65 \ \ 646 g0 59 60 662 - 0 57 58 CIP 4 56 5, w J \ 7,080 SF GRAVEL ro a } \ +\ TRAVELWAY o. N 1 \\ CE \\ \ 8.0' 58+ r _- \ \ - 22.2' I o \ t I TOBIAS A DENGEL TRUST & PROP. 50+(F 15" HOPE @ 0.60% LYNN T DENGEL TRUST PROVIDE WATER SOURCE T\\O AN \ , 0-32ZC48' BUILDING, MAINTENANCE 8_ ZONE: RA CONSTRUCTION VEHhgLES BEFORE / 58- L BUILDING _ - 57_ I USE: RURAL AREAS LEAVING THE SITE. I ECT WASH / ° DB 5107 PG 651 WATER TOWARD SEDIMENT TRAP // o ` 12' WRAP -AROUND SHED 20.0' 540 _ 57 $ \ 55 0 I _ / 20.0' 39-7- -bbb- - LIMITS OF DISTURBANCE = 0.75 A / _ _ I DITCH 2A ' TP o 56-LF RIP -RAP DITCH - DITCH 1 VDOT STD EC-1 STONE \ \ \72-LF CLASS Al RIP -RAC / / \ 01 0 �-(T2" THICK) @ 16% DITCHH (18" THICK) @ 15/0 \ - 5756 55 1 ( / / , 54 0 - / / d C1 53 52 I \ - D5BOTTOM TRAP = 539.0 / S T 50 51 + WET STORAGE - 984CF / 49 48 - - DRl STORAGE = 3.747 PSF/ 47 46 @EL=5454 , 4 4 - 42 44 -545- ?L ce 390+ 80.9' 4 4646 45 Xlow �k \ / / 3 _ 42 now 0 39p6 X� - 540-=no son Now TP �j SF 29'2 �- / / X 8 SMALL EXIST G TREES PP J�MgE�EO Zp20 \ \ \ \ IP- ��'O/ VERFLOW WEIFj / / / WITHIN Llyl- OF/ / NO S3S \ 3 CONSTRUCTION TO E _R fOM OF WEIR = 543.0 / / REMOVEJO TOP OF WEIR�45. Z O"F 3 WIDE /EMBANKMENT = 546'0 630 \ 540 /.5 / O � PROTECT �N ONN GI / / / ALBEM / WATER ARLE SPRING / FEN _ / r SPRING/ 9 x4_� %GRAVEL Ill N EROSION AND SEDIMENT CONTROL PLAN 0 20 40 60 SCALE: 1 "=20' EMSCALE ENGINEERING owner: TOBIAS A DENGEL TRUST 1740 FOOTHILL FARM DRIVE CHARLOTTESVILLE, VA 22911 engineer: 30 SCALE, LLC 871 JUSTIN DRIVE PALMYRA, VA 22963 p: 434.242.2866 e: mike@30scale.com web: www.30scale.com Z nJ V J C) Z W L LL J J Z O 0 B� > z 0 U LL J 2 Lu to J Q sheet title: EROSION AND SEDIMENT CONTROL PLAN Iscale: 1 "=20' I date: 1 /26/2021 sheet # 3OF7