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WPO201300029 Plan - E&S 2016-02-04
"\ RAN .I�l \l RAN .I : C ��� I I"C, . �I.�� k\vill'i !!($I AF 10, 1 ot Im I I* 10, 1 \m , "OV41jlmi".�� V �l "1 .A� l 1.�� )•' 1 �1 •' 1 .�� CONCEPTS, PC MASTER & SITE PLANNING ENTITLEMENT PROCESSING LANDSCAPE ARCHITECTURE 2046 ROCK QUARRY ROAD, LOUISA, VIRGINIA 23093 .i II'' Il'v Il I. 1 N 9)] C_� lNIL 110, 11" .�� I\ l l PERFORMANCE STANDARDS: GENERAL WATER & SEWER CONDITIONS: 1. CALL MISS UTILITY (1-800-552-7001 PRIOR TO ANY LAND DISTURBING ACTIVITY. UTILITIES SHOWN ON THESE PLANS ARE TO THE ENGINEER FROM VARIOUS SOURCES AND HAVE NOT BEEN FIELD CONFIRMED. 1. WORK SHALL BE SUBJECT TO INSPECTION BY ALBEMARLE COUNTY SERVICE AUTHORITY INSPECTORS. WATER VALVE / METER REPRESENTATION OF DATA MAD AVAILABLE EXPLORATORY EXCAVATIONS MAY BE NECESSARY TO CONFIRM THE EXISTENCE OR NON-EXISTENCE OF CERTAIN THE CONTRACTOR WILL BE RESPONSIBLE FOR NOTIFYING THE PROPER SERVICE AUTHORITY OFFICIALS FHA -b- UNDERGROUND FEATURES. AT THE START OF THE WORK. 2. THE CONTRACTOR SHALL COORDINATE WITH ALL LOCAL AUTHORITIES AND ADJACENT LANDOWNERS AFFECTED BY THE WORK PRIOR TO YARD HYDRANT DATUM: TO COMMENCING THE WORK AND SCHEDULE / ATTEND ALL REQUIRED PRE -CONSTRUCTION MEETINGS. THE CONTRACTOR SHALL CONFIRM 2. THE LOCATION OF EXISTING UTILITIES ACROSS THE LINE OF THE PROPOSED WORK ARE NOT BOA® THAT ALL BONDS HAVE BEEN POSTED AND PULL ALL PERMITS. THE CONTRACTOR SHALL MAINTAIN THE PERMITS AND AN APPROVED SET OF NECESSARILY SHOWN ON THE PLANS AND WHERE SHOWN, ARE ONLY APPROXIMATELY CORRECT. EASEMENT LIMITS THESE WORKING DRAWINGS AND PROJECT SPECIFICATIONS ON-SITE AT ALL TIMES. THE CONTRACTOR SHALL ON HIS OWN INITIATIVE LOCATE ALL UNDERGROUND LINES AND STRUCTURES 3. THE CONTRACTOR SHALL ENSURE THAT HIS I HER WORK IS PROPERLY COORDINATED WITH THAT OF THE OTHER TRADES ON-SITE. AS NECESSARY. 4. UNEXPECTED SITE CONDITIONS MAY ARISE DURING CONSTRUCTION THAT REQUIRE A DEVIATION FROM THESE PLANS, THE CONTRACTOR CLEANOUT 35' SHALL NOTIFY THE ENGINEER IMMEDIATELY OF ANY CONDITIONS THAT CONFLICT WITH THE PROPER EXECUTION OF THESE PLANS. THE 3. ALL MATERIALS AND CONSTRUCTION SHALL COMPLY WITH THE CURRENT EDITION OF THE GENERAL MANHOLE (---3:1- ECE SS ARYOF ANDCONTRACTOR SHALL PROVIDE A COST FOR DEGREEANGESNECESSARY EER SHAL DETERMINE NATURE EGREWITHOTOF CHANGES ENGINEER DHE E WATER AND SEWER CONSTRUCTION SPECIFICATIONS AS ADOPTED BY THE ALBEMARLE COUNTY _SD- CES ARE MADE N SERVICE AUTHORITY. 5. THE SITE WORK IS TO BE LAID -OUT ACCORDING TO THE DIMENSIONS ON THESE PLANS. SCALING OF THE PLANS IS NOT ACCEPTABLE. STORM INLET HP CONTACT ENGINEER IF THERE ARE QUESTIONS REGARDING THE LAYOUT OF THE WORK. BECAUSE ARCHITECTURAL DESIGN MANY TIMES CONTINUES AFTER SITE PLAN APPROVAL, STRUCTURAL INFORMATION REFLECTED ON THESE DRAWINGS MAY NOT REPRESENT FINAL 4. DATUM FOR ALL ELEVATIONS SHOWN IN NATIONAL GEODETIC SURVEY. YARD DRAIN ARCHITECTURAL DIMENSIONS. PRIOR TO STAKEOUT OF ANY STRUCTURES, SURVEYOR AND / OR CONTRACTOR SHALL OBTAIN FINAL LOW POINT DSo ARCHITECTURAL DRAWINGS AND CONSULT WITH ENGINEER REGARDING EXACT PLACEMENT OF BUILDINGS ON SITE. 5. THE CONTRACTOR SHALL BE RESPONSIBLE FOR NOTIFYING -MISS UTILITY- (1-800-552-7001). 6. THE CONTRACTOR SHALL VERIFY ALL EXISTING SITE CONDITIONS AND GRADES REPRESENTED ON THESE PLANS TO THE BEST OF G GAS LINE (EX. / PROP.) HIS / HER ABILITY. THE CONTRACTOR SHALL ALSO VERIFY BY STAKEOUT THE RELATIONSHIP OF ALL MAJOR SITE IMPROVEMENTS TO 6. ALL WATER AND SEWER PIPES SHALL HAVE A MINIMUM OF 3 FEET OF COVER MEASURED FROM THE EXISTING SITE CONDITIONS AND FEATURES AND NOTIFY ENGINEER OF AIRY DISCREPANCIES, ERRORS AND OMISSIONS BEFORE TOP OF PIPE, OVER THE CENTERLINE OF PIPE. THIS INCLUDES ALL FIRE HYDRANT LINES, SERVICE LATERALS, BM+ PROCEEDING WITH THE WORK. AND WATER LINES, ETC. 7. THE CONTRACTOR SHALL BE HELD SOLELY RESPONSIBLE FOR SITE CONDITIONS, THE SAFETY OF HIS / HER WORKERS AND THOSE VDOT STD. HEADER CURB UGE THE CONTRACTOING R IS NOTER ,LIABLE FOR THE SAFETY OF THOSE WIITHIN fHRK E BUILDID THE NGS OR WURITY ORKINOPERTY HE I SHE IS STORING G ON HE BUILDINGS, OR IS HE / SHE 7. ALL WATER AND SEWER APPURTENANCES ARE TO BE LOCATED OUTSIDE OF ROADSIDE DITCHES. VDOT STD. CURB & GUTTER RESPONSIBLE FOR SECURING THE PROPERTY OF THE BUILDING CONTRACTOR OR THEIR ASSOCIATED TRADES. HOWEVER RESPONSIBLE CONTRACTOR IS REQUIRED TO MAINTAIN A CLEAN, ORGANIZED AND SAFE SITE, AND IS THE FINAL AUTHORITY AS TO THE LOCATION, 8. VALVES ON DEADEND LINES SHALL BE RODDED TO PROVIDE ADEQUATE RESTRAINT FOR THE VALVE DURING CG -12 PLACEMENT OR STORAGE OF ANY AND ALL MATERIALS, EQUIPMENT VEHICLES AND TEMPORARY STRUCTURES USED DURING CONSTRUCTION. NEITHER THE OWNER NOR ENGINEER SHALL BE HELD RESPONSIBLE FOR THEFT, DAMAGE OR INJURY ON-SITE DURING A FUTURE EXTENSION OF THE LINE. LIGHT POLE CONSTRUCTION UNLESS IT IS DUE TO TO THE SOLE NEGLIGENCE OF THE OWNER OR ENGINEER, HANDICAP PARKING SYMBOL 8. THE CONTRACTOR SHALL DETERMINE THE LIMITS OF CONSTRUCTION AND DEMARCATE THEM CLEARLY PRIOR TO COMMENCING GRADING OF THE SITE. ALSO THE CONTRACTOR SHALL INSTALL ALL SEDIMENT AND EROSION CONTROL MEASURES THAT CAN ALBEMARLE COUNTY ENGINEERING GENERAL CONSTRUCTION NOTES: DUCTILE IRON PIPE LOGISTICALLY BE PLACED BEFORE GRADING COMMENCES. 1. PRIOR TO ANY CONSTRUCTION WITHIN ANY EXISTING PUBLIC RIGHT-OF-WAY INCLUDING CONNECTION TO ANY EXISTING ROAD A PERMIT SHALL BE OBTAINED FROM THE VIRGINIA DEPARTMENT OF TRANSPORTATION (VDOT). THIS PLAN AS DRAWN MAY NOT THE 9. DURING THE INSTALLATION OF UTILITIES TO SUPPORT THE PROJECT, THE CONTRACTOR SHALL MAINTAIN SERVICE TO NEIGHBORING ACCURATELY REFLECT THE REQUIREMENTS OF THE PERMIT. WHERE ANY DISCREPANCIES OCCUR THE REQUIREMENTS OF ELECTRIC METER PROPERTIES. DAMAGE TO LINES OR INTERRUPTIONS OF SERVICE SHALL BE IMMEDIATELY REPORTED TO THE SERVICE PROVIDER PERMIT SHALL GOVERN. D AND ENGINEER, THE CONTRACTOR IS RESPONSIBLE FOR ALL COSTS ASSOCIATED WITH REPAIR AND RESTORATION OF SERVICE. PVC POLYVINYLCHLORIDE PIPE OHT 2. ALL PAVING DRAINAGE RELATED MATERIALS AND CONSTRUCTION METHODS SHALL CONFORM TO CURRENT SPECIFICATIONS AND 10. ALL EXISTING IMPROVEMENTS ADJACENT TO THE PROPERTY, SUCH AS ROADWAYS, SHALL BE PROTECTED FROM DAMAGE DUE TO THE STANDARDS OF VDOT UNLESS OTHERWISE NOTED. UNDERGROUND COMMUNICATIONS (EX. / PROP.) EXECUTION OF THE WORK. ALL REPAIR MADE NECESSARY BY THE CONTRACTOR OR THOSE ASSISTING HIM / HER IN THE EXECUTION OF THE WORK SHALL BE BORNE BY THE CONTRACTOR. 3. EROSION AND SILTATION CONTROL MEASURES SHALL BE PROVIDED IN ACCORDANCE WITH THE APPROVED EROSION PED❑ UTILITY PEDESTAL CONTROL PLAN AND SHALL BE INSTALLED PRIOR TO ANY CLEARING, GRADING OR OTHER CONSTRUCTION. 11. USE OF EXPLOSIVES IS EXPRESSLY PROHIBITED UNLESS STATED OTHERWISE. IF PERMITTED THE CONTRACTOR SHALL OBTAIN ALL NECESSARY PERMITS AND NOTIFY ENGINEER PRIOR TO STORING OR USING EXPLOSIVE'S ON-�ITE. ALL OTHERS SHARING THE SITE FOR 4. ALL SLOPES AND DISTURBED AREAS ARE TO BE FERTILIZED SEEDED AND MULCHED. THE MAXIMUM ALLOWABLE SLOPE IS 2:1 HORILO ES AND DIST L WHERE REASONABLY OBTAINABLE, LESSER SLOPES OF 3:1 OR BETTER ARE TO BE ACHIEVED. ( )' TBR CONSTRUCTION PURPOSES SHALL ALSO BE NOTIFIED. USE OF EXPLOSIVES SHALL BE CAREFULLY COORDINATED WITH ALL OTHERS SWM / DWM o/a SINGLE / DOUBLE WATER METER SHARING THE SITE AS WELL AS VDOT AND ADJACENT OWNERS. 5, PAVED RIP -RAP OR STABILIZATION MAT LINED DITCH MAY BE REQUIRED WHEN IN THE OPINION OF THE ALBEMARLE COUNTY DIRECTOR 12. PRIOR TO ANY CONSTRUCTION WITHIN ANY EXISTING PUBLIC RIGHT-OF-WAY INCLUDING CONNECTION TO ANY EXISTING ROAD F ENGINEERING,OR THE DIRECTORS DESIGNEE, IT IS DEEMED NECESSARY IN ORDER TO STABILIZE A DRAINAGE CHANNEL. TO BE TRANSPLANTED FRO THE VIRGINIAARTMENT BLEOBTTAINED DEPOF WHERE ANY D SORTATIO (V OTCCUR,I THE RN�QUIRMEiVfiS OF NOT ACCURATE SHALL 6. ALL TRAFFIC CONTROL SIGNS SHALL CONFORM WITH THE VIRGINIA MANUAL FOR UNIFORM TRAFFIC CONTROL DEVICES. TBS THE THE BOA o BLOW OFF ASSEMBLY THE PERMIT SHALL GOVERN. 7. UNLESS OTHERWISE NOTED ALL CONCRETE PIPE SHALL BE REINFORCED CONCRETE PIPE - CLASS III. 13. CONTRACTOR SHALL COORDINATE TRAFFIC CONTROL MEASURES WITH VDOT INSPECTORS PRIOR TO OR AS PART OF THE REQUIRED 8. ALL EXCAVATION FOR UNDERGROUND PIPE INSTALLATION MUST COMPLY WITH OSHA STANDARDS FOR THE CONSTRUCTION PRE -CONSTRUCTION CONFERENCE. INDUSTRY (29 CFR PART 1926). QUALITATIVE STANDARDS: 1. ALL UNSUITABLE SOIL MATERIAL SHALL BE STOCKPILED AND ITS DISPOSITION DETERMINED BY THE OWNER WHILE THE EARTHWORK ASPECT OF THE SITE WORK IS STILL UNDERWAY. 2. ALL SPRINGS SHALL BE CAPPED AND PIPED TO THE NEAREST DRAINAGEWAY OR DIRECTED TO A STORM SEWERAGE STRUCTURE. 3. EROSION AND SILTATION CONTROL MEASURES SHALL BE PROVIDED IN ACCORDANCE WITH THE APPROVED EROSION CONTROL PLAN AND INASMUCH AS IS POSSIBLE SHALL BE INSTALLED PRIOR TO ANY CLEARING, GRADING OR OTHER CONSTRUCTION. 4. ALL SLOPES AND DISTURBED AREAS ARE TO FERTILIZED SEEDED AND MULCHED. THE (MAXIMUM ALLOWABLE SLOPE IS 1:1(HORIZONTALVERTI CAL). WHERE REASONABLY OBTAINABLE LESSER SLOPES OF' :1 OR BETTER ARE TO BE ACHIEVED. ALL SLOPES GREATER THAN 3:1 SHALL BE MATTED WITH VDOT EC -2 SLOPE STABILIZATION MAT. 5. PAVED, RIP -RAP OR STABILIZATION MAT -LINED DITCHES MAY BE REQUIRED WHEN, IN THE OPINION OF THE COUNTY AGENT, IT IS DEEMED NECESSARY IN ORDER TO STABILIZE A DRAINAGE CHANNEL. 6. ALL PAVING AND DRAINAGE -RELATED MATERIALS AND CONSTRUCTION SHALL CONFORM TO CURRENT SPECIFICATIONS AND STANDARDS OF VDOT UNLESS OTHERWISE NOTED. ALL MATERIALS TO BE USED IN STABLIZATION SHALL ALSO BE APPROVED BY ENGNEER. 7. ALL LD (LIGHT DUTY) CONCRETE INCLUDING ALL SIDEWALKS SHALL CONFORM TO MUNICIPAL STANDARDS. IF NONE EXIST, ALL SIDEWALKS SHALL BE 4" THICK, 3,000 PSI CONCRETE REINFORCED WITH 6" X 6", 10-10 WWM PLACED UPON 4" OF COMPACTED 21A STONE BASE OVER COMPACTED SUBGRADE UNLESS OTHERWISE TOTED, ALL CONCRETE PAVING SHALL BE LIGHT DUTY., 8. ALL HD (HEAVY DUTY CONCRETE, INCLUDING ALL DUMPSTER PADS SHALL BE 8" THICK, 4,000 PSI CONCRETE REINFORCED WITH 6" X 6", 10-10 WWM PLACED UPON " OF COMPACTED 21A STONE OVER COMPACTED SUBGRADE. 9. ALL LD (LIGHT DUTY ASPHALT SHALL BE 2" OF SURFACE COURSE PLACED UPON 6" OF COMPACTED 21A STONE OVER COMPACTED SUBGRADE. UNLESS OTHERWISE NOTED, ALL ASPHALT PAVING SHALL BE LIGHT-DUTY. 10. ALL DRIVEWAYS SHALL BE LIGHT DUTY ASPHALT. 11. FOR SPECIFICS REGARDING SPECIALTY PAVING REFER TO DETAILS. 12. ALL CURBING SHALL BE VDOT STANDARD CG -2, UNLESS OTHERWISE NOTED. 13. ALL STORM SEWERAGE SHALL BE INSTALLED IN ACCORDANCE WITH VDOT STANDARDS AND SPECIFICATIONS. ALL REINFORCED CONCRETE PIPE SHALL BE CLASS 3 UNLESS OTHERWISE NOTED. ALL HDPE PIPE SHALL BE HANCOR HI -Q! OR EQUAL WNDOT STANDARD PB -1 BEDDING. ALL PVC CONDUIT SHALL BE SCHEDULE 40. 14. RUNOFF FROM THE SUBJECT SITE WILL CONTINUE TO FLOW TOWARD ROUTE 250 W THROUGH ADJACENT PROPERTIES. STORMWATER DETENTION AND QUALITY MEASURES ARE PROPOSED. 15. ALL REAR ROOF DRAINS ARE TO BE TIED INTO A PROPOSED YARD/ROOF DRAIN SYSTEM. SHEET INDEX SHEET 2 EXISTING CONDITIONS AND DEMOLITION PLAN SHEET 3 CLEARING AND GRUBBING PLAN SKEET 4 EROSION & SEDIMENT CONTROL PLAN SHEETS EROSION & SEDIMENT CONTROL DETAILS SKEET 6 STORMWATER MANAGEMENT PLAN SHEET 7 STORMWATER MANAGEMENT DETAILS SHEET 8 STORMWATER MANAGEMENT PLAN - MS -19 THIS PLAN SET IS TO BE USED IN CONJUNCTION WITH THE FINAL SITE DEVELOPMENT PLAN DRAWING SET DATED APRIL 12, 2013. IT WAS CREATED AS A STAND-ALONE DOCUMENT FOR SUBMITTAL, REVIEW AND APPROVAL PROCESS PURPOSES ONLY. III�C�I�:\lt) W WATER LINE (EX. / PROP.) REQUESTS: BOUNDARY / RIGHT-OF-WAY LINE WV® WMO WATER VALVE / METER I.F. IRON PIN FOUND FHA -b- FIRE HYDRANT I.S. IRON PIN SET YH-b- YARD HYDRANT DATUM: SETBACK LINE BENCHMARK: BOA® BLOW -OFF ASSEMBLY BUILDING: 35,566 SF 0.82 AC. 24% EASEMENT LIMITS ROADS / PARKING LOT / SIDEWALK: 72,300 SF 1.66 AC. 49% SS SANITARY SEWER LINE (EX. / PROP.) CENTERLINE TOTAL BUILDING SF: COo CLEANOUT 35' CONTOUR LINE (EX. / PROP.) MH MANHOLE (---3:1- <-2.5076- DEGREE / DIRECTION OF SLOPE _SD- STORM LINE (EX. / PROP.) 479.70+ SPOT ELEVATION DI rl'01 STORM INLET HP HIGH POINT YD® YARD DRAIN LP LOW POINT DSo DOWNSPOUT DITCH / SWALE G GAS LINE (EX. / PROP.) WATER COURSE GV® GMO GAS VALVE / METER BM+ BENCHMARK OHE OVERHEAD ELECTRIC (EX. / PROP.) CG -2 VDOT STD. HEADER CURB UGE UNDERGROUND ELECTRIC (EX. / PROP.) CG -6 VDOT STD. CURB & GUTTER PPO POWER POLE CG -12 VDOT STD. HANDICAP RAMP LP-(> LIGHT POLE HC HANDICAP PARKING SYMBOL DIP DUCTILE IRON PIPE GUYd GUY WIRE RCP REINFORCED CONCRETE PIPE EM= ELECTRIC METER CMP CORRUGATED METAL PIPE D TRANSFORMER PVC POLYVINYLCHLORIDE PIPE OHT OVERHEAD COMMUNICATIONS (EX. / PROP.) HDPE HIGH-DENSITY POLYETHYLINE PIPE UGT UNDERGROUND COMMUNICATIONS (EX. / PROP.) VC VITRIFIED CLAY PIPE PED❑ UTILITY PEDESTAL FFE FINISHED FLOOR ELEVATION TBR TO BE REMOVED SWM / DWM o/a SINGLE / DOUBLE WATER METER TBT TO BE TRANSPLANTED GV p4 GATE VALVE TBS TO BE SAVED BOA o BLOW OFF ASSEMBLY DEVELOPER: ANVINCE LAND TRUST, LLC., CHARLOTTESVILLE, VA 22901, 434-973-6161, 434-973-0732(F); CONTACT: SUE ALBRECHT PROPERTY OWNER: SAME AS ABOVE TAX MAP / PARCEL #: TAX MAP 61M - 12 - IE PROPERTY ADDRESS: NA - VACANT PROPERTY SIZE: 3.398 ACRES ZONING: PDSC (AMENDED AS OF 9-12-12 PER ZMA #2011-00010) MAGISTERIAL DISTRICT: RIO COMPREHENSIVE PLAN: URBAN AREA - COMMUNITY SERVICE, NEIGHBORHOOD RESIDENTIAL (3-6 UNITS/ACRE) DRINKING WATER NA WATERSHED: PROFFERS: NA WAIVER / VARIANCE A CRITICAL SLOPE WAIVER WAS APPROVED BY THE BOS ON 9-12-12. REQUESTS: SURVEY SOURCES: SITE BOUNDARY PREPARED BY ROUDABUSH, GALE AND ASSOC. OF CHARLOTTESVILLE, VA., DATED OCTOBER 24, 1995. SITE TOPOGRAPHIC DATA PREPARED BY H. AUBREY HAWKINS AND ASSOC. OF FALMOUTH, VA., AS REFLECTED ON SITE PLAN SUBMITTED BY NORTHSTAR ENGINEERING AND ASSOC. OF WINCHESTER, VA., DATED JUNE 6, 1996. DATA BEYOND SITE LIMITS TAKEN FROM ACSA AND COMMUNITY DEVELOPMENT DEPARTMENT. DATUM: ACSA - BM DATA PROVIDED TO SURVEYOR OF RECORD. BENCHMARK: 466.0 = TOP OF EXISTING DROP INLET AT NE CORNER OF SHOPPER'S WORLD BUILDING. BREAKDOWN: BUILDING: 35,566 SF 0.82 AC. 24% ROADS / PARKING LOT / SIDEWALK: 72,300 SF 1.66 AC. 49% PERVIOUS SURFACES: 40,157 SF 0.92 AC. 27% TOTAL: 148,017 SF 3.398 AC. 100% TOTAL BUILDING SF: 44,478 SQUARE FEET (GROUND FLOOR PLUS MEZZANINE)) MAX.BUILDING HEIGHT: 35' SETBACKS: BUILDING: 50' FROM ANY RESIDENTIAL DISTRICT PARKING: 20' FROIM ANY RESIDENTIAL DISTRICT MAX. NUMBER OF 56 EMPLOYEES: PARKING REQUIREMENTS: SEE THE PARKING DATA CHART RECREATIONAL AREA: NA PUBLIC DEDICATION: NA EASEMENTS: WATER, SEWER AND OTHER EASEMENTS RECORDED IN DEED BOOK REFS. - 536/24, 545/631, 5415/638, 547/87, 586/512, 769/291 AND 889/478. VIRGINIA DEPARTMENT OF TRANSPORTATION (`V.D.O.T.) ROAD AND BRIDGE SPECIFICATIONS, DATED 2002. VIRGINIA DEPARTMENT OF TRANSPORTATION (`V.D.O.T.) ROAD AND BRIDGE STANDARDS, DATED 2001. VIRGINIA DEPARTMENT OF CONSERVATION AND RECREATION, DIVISION OF SOIL AND WATER CONSERVATION, VIRGINIA EROSION AND SEDIMENT CONTROL HJANDBOOK, THIRD EDITION, 1992. INSTITUTE OF TRANSPORTATION ENGINEERS (I -TE MANUAL), TRIP GENERATION, 7TH EDITION. VIRGINIA MANUAL FOR UNIFORM TRAFFIC CONTROL DEVICES (MUTCD) STANDARDS, DATED 2003. ALBEMARLE COUNTY SERVICE AUTHORITY CONSTRUCTION SPECIFICATIONS REGULATING THE CONSTRUCTION AND EXPANSION OF THE WATER AND SEWER SYSTEMS WITHIN THE COUNTY OF ALBEMARLE, VIRGINIA, LATEST EDITION. INTERNATIONAL CODE COUNCIL AMERICAN NATIONAL STANDARD- ACCESSIBLE & USABLE BUILDINGS AND FACILITIES, DATED 2003. VICINITY MAP 1199= 3009 SITE-SPECIFIC NOTES: 1. THE SUBJECT PROPERTY LIES IN THE DEVELOPMENT AREA AND IS NOT WITHIN A RESERVOIR WATERSHED. 2. THE SUBJECT SITE IS NOT WITHIN THE 100 -YEAR FLOODPLAIN. IT IS IN ZONE'XAS NOTED ON FIRM #51006-0230-B. 3. RUNOFF FROM THE SUBJECT SITE WILL CONTINUE TO FLOW TOWARD THE MAN-MADE REGIONAL DRAINAGE CHANNEL RUNNING PARALLEL TO DOMINION DRIVE OR, TO A LESSER DEGREE, INTO EXISTING STORM SEWERAGE THAT IS PART OF THE SHOPPER'S WORLD SHOPPING CENTER. STORMWATER DETENTION AND QUALITY MEASURES ARE PROPOSED AS A MANAGEMENT TOOL PRIOR TO RUNOFF ENTERING THE MAN-MADE CHANNEL. 4. OFF-SITE RUNOFF FLOWS THROUGH THE SUBJECT SITE WITHIN A MAN-MADE DRAINAGEWAYS ESTABLISHED DURING DEVELOPMENT OF SHOPPER'S WORLD IN THE MID -1970'S. OFF-SITE RUNOFF IS MINIMAL AND GENERATED FROM BOTH PUBLIC AND PRIVATE LANDS. 5. THE EXISTING VEGETATION OF THE SUBJECT SITE IS PREDOMINANTLY VOLUNTEER, EARLY SUCCESSIONAL TREE SPECIES GENERATED SINCE MASS GRADING OF THE PROPERTY IN THE MID -1970'S. MATURE WOODED AREAS EXIST WITHIN A 20' BUFFER ADJACENT TO WILLIAMSBURG ROAD. 6. THE SUBJECT PROPERTY HAS ACCESS EASEMENTS OVER ALL TRAVELWAYS WITHIN SHOPPER'S WORLD SHOPPING CENTER. 7. CAR ACCESS IS AVAILABLE FROM ROUTE 29, BERKMAR DRIVE AND DOMINION DRIVE. TRACTOR -TRAILER ACCESS SHALL BE FROM BERKMAR DRIVE. 8. ALL CURBING TO BE VDOT STANDARDS CG -2 UNLESS OTHERWISE NOTED ON THE PLANS. 9. ALL SIDEWALKS SHALL BE MIN. 5' -WIDE, 4" THICK, 3,000 PSI, REINFORCED CONCRETE. 10. ANY SITE IDENIFICATION SIGNING DESIRED FOR THE DEVELOPMENT SHALL BE SUBMITTED AND FILED SEPARATELY BY THE OWNER / DEVELOPER. 11. ALL TRAFFIC CONTROL SIGNS SHALL CONFORM WITH THE VIRGINIA MANUAL FOR UNIFORM TRAFFIC CONTROL DEVICES (MUTCD) STANDARDS. 12. MAXIMUM RETAINING WALL HEIGHTS ARE SHOWN ON THE GRADING & STORM SEWERAGE PLAN. 13. DUMPSTERS ARE PROVIDED ON PADS ALONG THE LOADING / SERVICE FACADE OF THE BUILDING. 14. ALL ROOF DRAINS ARE TO BE TIED INTO THE PROPOSED STORM DRAIN SYSTEM AND PIPED TO THE BIO -FILTER. 15. ALL STRUCTURAL FILL SHALL BE A MINIUM OF 95% COMPACTED BASED ON A STANDARD PROCTOR TEST, 16. ON-SITE GEOTECHNICAL ENGINEER OF RECORD TO PROVIDE POST INSTALLATION REPORT CERTIFYING BEARING CONDITION AND FOUNDATION PREPARATION. XX #1 11 -IS -13 COUNTY COMMENTS ALL SHHETS REVISED #2 S -4 -IIS 'BMP OUTFALL CHANGE ALL SHEETS REVISED 'VIA OF Alan {s. FranUin Lic. N 3 U 6 li�VSs TONAL v�l0 Lc. No. 0234 �16 �AIVDSCr�Y r�rF30D by the: ilbemr¢a 0oUf1 PLANNING/ZONING MASTER & SITE PLANNING ENTITLEMENT PROCESSING LANDSCAPE ARCHITECTURE 2046 ROCK QUARRY ROAD LOUISA, VIRGINIA 23093 PH. 434-531-3600 mkeUer@terraconceptspc.com �,,,TH OF It I Alan G. Franklin Uc. No. 35326 roto �� SSIONAL�N Na OF Mark E. Keller C" Cert. No. 0239 - � U E SCALE: 19'=20) SUBMIT ED: 4-12-13 DRAWN BY: MEK REVISIONS: 1. 7-5-13 SITE RIEVIEW 2. 11-15-13 SITE REVIEW 3. 5-4-15 PMP OUTFALL CHANGE All rights reserved. No part of the material protected by this copyright (plans, ideas, designs, sections or details expressed on these plans) may be reproduced, changed or utilized in any form or by any means, electronic or mechanical, including photocopying, scanning, or by any other means of retrieval system without written permission from Terra Concepts, P.C. Also, these plans may not be assigned to a third party without first written authorization of Terra Concepts, P.C. © TERRA CONCEPTS, P.C. • --_j ,~. S 1 I ,1( l J , 11 ,'I �_� 1/1,=- - I 11 � ; II Z 1� _,,,-----"-05 1 \ � /_ �11' I } 4 jI i // � I ,�_) i i IEW I , i l Lit 9 \ TMP. 61 M-2-9 } Block 2 `�. \ / Block 7 0 10' 20' - _ /f Now Or Formerly 4 I , \ \ I Lot 1 _ JOHN PERRY O1R 4 TMP 61 M 2-28 i TMP 61 M-7-1 t ~ -' CYNTH LEIGH BE�AZELL il , ` N,oworFormerly _z Now'or Former) _ -__ D. .936 PG. 632 y - -\ ( L_ , j MARK L. OR SALLY F. JE NkINS F I l %� __ - JANETTE BOYD OR } % � __ _ Zoned: R-2 \ /' I LYNN MICHELLE MARTIN) --- ___- �, _ �( I , { �� D.B. BZoned: R-21529 PG. 251 --`-- ` -_ _ `A--- Use: Residential , / ,,, ,`' - __ �%!-�- , I I D.B. 3066 PG. 227 __. _ - _._ _ -\ U'se: Residential 1 ' l _ - j F 11- r D.Bi 1374 PG. 1 I I , 2J) _� _f ,, 1 - -_ , _ i r LIMITS OF / x -, �a; O/D.B ormerly l' E MARIE f� GRASSI PG. 117;1d: R-2 ,. J. J J J \ Use: Residen#ia \ tCO MP 61 T INow or Fo lerly LARRY W. D JULIE:' BRE IRON \ \� 11 D.B. 96 PG. 658 oned: R-2 se: Residential 1, fff A, f , j' co jj r A f f Q) `L - ,- Linnl-Ts-OF -- '- - `G - - - DISTURBANCE, TY . W APPROX. LOCATION S H _/ / 15' UTILITY EASE ENT °° - �q'� -'k�13 B - '1 �P556, 77-52LAT- St Ls B" VCP Ln' P G_ .. 1N&Te&i6 �'ii FOftM� / CAUTION: POSSIBLE BURIED ELECTRIC LINE `APPROX. LOCATION 15' RAND 21' UTILITY EASEMENT D.B. 586, P. 521, PLAT 5311 - APPROX. LOCATION 10' VEPCO EASEMENT D.B. 561, P. 81, PLAT 83 RIP RAP OUTLET PROTECTION OP EX. DRAINAGE EASEMENT D.B. 1260, P. 501, 502 PLAT 0 20' 40' SCALE:EROSION CONTROL PLAN 40 SCALE: 199 = 209 IN GENERAL, ALL EROSION AND SEDIMENT CONTROL MEASURES WILL BE CHECKED DAILY AND AFTER EACH SIGNIFIICANT RAINFALL, THE FOLLOWING ITEMS WILL BE CHECKED IN PARTICULAR: 1. THE INLET PROTECTION WILL BE CHECKED EACH MORNING FOR SEDIMENT AND DEBRIS. ALL LOCATIONS ARE TO BE KEPT TIGHT, CLEAN AND FULLY OPERATIONAL. 2. EACH EVENING THE PAVED SURFACE BEYOND THE CONSTRUCTION ENTRANCE SHALL BE WASHED DOWN OR SWEPT CLEAN. 3. THE CONSTRUCTION ENTRANCE WILL BE CHECKED REGULARLY. IF THE STONE BECOMES CLOGGED BY MUD OR ;SEDIMENT IT SHALL BE REMOVED AND CLEANED OR REPLACED. 4. THE TEMPORARY DIVERSION DIKES AND SEDIMENT TRAP WILL BE CHECKED REGULARLY FOR DETERIORATION AND SEDIMENT DEPOSITION AND MAINTAINED IF NECESSARY. 5. SEEDED AREAS WILL BE CHECKED REGULARLY TO ENSURE THAT A GOOD STAND IS ESTABLISHED. AREAS SHALL BE RETREATED IF SO DETERMINED BY EROSION INSPECTOR IN ACCORDANCE WITH THE VIRGINIA EROSION & SEDIMENT CONTROL HANDBOOK. SOILS LEGEND DEPTH TO SHRINK/SWELL SOIL NAME PERMEABILITY BEDROCK ERODIBILTY POTENTIAL 27C ELIOK LOAM MOD. 53 SEVERE LOW 88 UDORTLIENTS SLOW -MOD. RAPID VARIES MOLD. -SEVERE 'VARIES 91 (URBAN LAND W1,101, 1� 1A\�� 1 11:ENI I!) SAF 3.01 LOCATED IN THIS AREA 3.09 DIVERSION DIKE I'S 3.32 PERMANENT SEEDING SILT FENCE,, TYP. SF STOCKPILE IMATERIALS ON UPHILL SIDE OF Parcel Y TRENCH TMP 61 M-12-1 C2 P 3.07 IS INLET PROTECTION Now or Formerly B/M 3.36 SOIL STABILIZATION \ BLANKETS & MATTING 3.08 a SHOPPERS' WORLD L C TO3.30 TOPSOILINO 3.39 DUST CONTROLPROTECTION DC\ C/O WYATT REALTY SERVICES, INC. Zoned: PD -SC Use: Shopping Center `APPROX. LOCATION 15' RAND 21' UTILITY EASEMENT D.B. 586, P. 521, PLAT 5311 - APPROX. LOCATION 10' VEPCO EASEMENT D.B. 561, P. 81, PLAT 83 RIP RAP OUTLET PROTECTION OP EX. DRAINAGE EASEMENT D.B. 1260, P. 501, 502 PLAT 0 20' 40' SCALE:EROSION CONTROL PLAN 40 SCALE: 199 = 209 IN GENERAL, ALL EROSION AND SEDIMENT CONTROL MEASURES WILL BE CHECKED DAILY AND AFTER EACH SIGNIFIICANT RAINFALL, THE FOLLOWING ITEMS WILL BE CHECKED IN PARTICULAR: 1. THE INLET PROTECTION WILL BE CHECKED EACH MORNING FOR SEDIMENT AND DEBRIS. ALL LOCATIONS ARE TO BE KEPT TIGHT, CLEAN AND FULLY OPERATIONAL. 2. EACH EVENING THE PAVED SURFACE BEYOND THE CONSTRUCTION ENTRANCE SHALL BE WASHED DOWN OR SWEPT CLEAN. 3. THE CONSTRUCTION ENTRANCE WILL BE CHECKED REGULARLY. IF THE STONE BECOMES CLOGGED BY MUD OR ;SEDIMENT IT SHALL BE REMOVED AND CLEANED OR REPLACED. 4. THE TEMPORARY DIVERSION DIKES AND SEDIMENT TRAP WILL BE CHECKED REGULARLY FOR DETERIORATION AND SEDIMENT DEPOSITION AND MAINTAINED IF NECESSARY. 5. SEEDED AREAS WILL BE CHECKED REGULARLY TO ENSURE THAT A GOOD STAND IS ESTABLISHED. AREAS SHALL BE RETREATED IF SO DETERMINED BY EROSION INSPECTOR IN ACCORDANCE WITH THE VIRGINIA EROSION & SEDIMENT CONTROL HANDBOOK. SOILS LEGEND DEPTH TO SHRINK/SWELL SOIL NAME PERMEABILITY BEDROCK ERODIBILTY POTENTIAL 27C ELIOK LOAM MOD. 53 SEVERE LOW 88 UDORTLIENTS SLOW -MOD. RAPID VARIES MOLD. -SEVERE 'VARIES 91 (URBAN LAND W1,101, 1� 1A\�� 1 11:ENI I!) SAF 3.01 SAFETY FENCE 3.09 DIVERSION DIKE I'S 3.32 PERMANENT SEEDING 3.02 S CONSTRUCTION ENTRANCE S� 3.14 SEDIMENT BASIN �® 3.33 SODDING SF 3.05 SILT FENCE OP 3.18 OUTLET PROTECTION IS3.35 MULCHING P 3.07 IS INLET PROTECTION RR 3.19 RIPRAP B/M 3.36 SOIL STABILIZATION \ BLANKETS & MATTING 3.08 a �C�ULVERTINLET TO3.30 TOPSOILINO 3.39 DUST CONTROLPROTECTION DC\ ALL EROSION CONTOL MEASURES TO BE INSTALLED PER VIRGINIA EROSION CONTROL HANDBOOK SPECIIFICATIONS 1. THIS CONSTRUCTION SEQUENCE ASSUMES INSTALLATIONS OF E&S MEASURES PER STAGE 1 OF THE E & S PLAN (SHEET 3) HAVE BEEN EXECUTED. 2. INSTALL RETAINING WALLS'B' AND'C' AND COMPLETE SITE FILL AND BACKFILL. 3. INSTALL TEMPORARY SAFETY FENCING. 4. ONCE RETAINING WALL CONSTRUCTION IS COMPLETE, INSTALL REMAINING STORM SEWERAGE, INCLUDING PIPES RELATED TO FUTURE POROUS PAVING INSTALLATIONS. POUR CONCRETE DITCH SYSTEM BEHIND TOP OF NORTH WALL AND CONCRETE CHANNEL ALONG SOUTH PROPERTY LINE. ADD INLET PROTECTION, OUTLET PROTECTION AND MATTING AS SHOWN. 5. REMOVE TEMPORARY CONSTRUCTION ENTRANCE AND ASSOCIATE IMPROVEMENTS. INSTALL CURBING ALONG PARKING LOT PERIMETER AND INTERIOR ISLANDS, INCLUDING SMALL CONCRETE SWALES BETWEEN BROKEN ISLANDS. 6. COMPLETE STONE BASE FOR ALL PARKING LOT AND TRAVELWAYS. 7. AT APPROPRIATE TIME DURING BUILDING CONSTRUCTION REMOVE ALL COMPROMISED BASE STONE AND STONE FROM AREAS WHERE POROUS PAVING IS SPECIFIED. INSTALL NEW STONE ACCORDING TO DETAILS IN THESE AREAS. INSTALL CURB EDGING WHERE ASPHALT PAVING WILL INTERFACE WITH POROUS PAVING INSTALLATIONS. 8. PLACE ASPHALT BASE COURSE AND POROUS PAVING WHERE SHOWN. REMOVE INLET PROTECTION SITE -WIDE. 9. CONSTRUCT ALL SIDEWALKS, STAIRS, CHEEK WALLS, TERRACES AND ASSOCIATED WALLS, RAMPS AND HANDRAILS THAT ARE ADJACENT TO THE BUILDING ON THE WEST, NORTH AND EAST SIDES OF THE BUILDING. INSTALL CONCRETE DUMPSTER AND UTILITY PADS ALONG SOUTH SIDE OF BUILDING. 10. REMOVE SAFETY FENCE AND INSTALL GUARDRAIL, SCREEN FENCING, LIGHTING, SIGNING, MAILBOXES AS WELL AS SCREEN WALL AT SOUTHEAST CORNER OF BUILDING. 11. INSTALL MEDIA MIX TO BIO -DETENTION BASIN AND INSTALL LANDSCAPING, SEEDING, SOD AND MULCH AS SPECIFIED. MASTER & SITE PLANNING ENTITLEMENT PROCESSING LANDSCAPE ARCHITECTURE 2046 ROCK QUARRY ROAD LOUISA, VIRGINIA 23093 PH. 434-531-3600 mkeller@terraconceptspc.corn o��,tiTx OF' Alan G. Franklin Uc. No. 35326 ' ' SrONAL V �, vX11 OP, r Mark E. Keller t_0 Cert. No. 0239 F" � U �c11 P E SCALE: 1199=209 SUBMIT ED: 4-112-13 DRAWN BY: ME . REVISIONS: 1. 7-5-13 SITE REVIEW 2. 11-15-13 SITE REVIEW 3. 5-4-15 BMP OUTFALL CHANGE All rights reserved. No part of the material protected by this copyright (plans, ideas, designs, sections or details expressed on these plans) may be reproduced, changed or utilized in any form or by any means, electronic or mechanical, including photocopying, scanning, or by any other means of retrieval system without written permission from Terra Concepts, P.C. Also, these plans may not be assigned to a third party without first written authorization of Terra Concepts, P.C. © TERRA CONCEPTS, P.C. SHEET W= SOURCE: VA EROSION & SEDIMENT CONTROL MANUAL PLATE. 3.1-1 PERSPECTIVE VIEW PLASTIC FENCE SAFETY FENCE ELEVATION SOURCE: VA. DSWC �S I •I 3'�Sx �J I10' MAX. :I CONCRETE BRACING FOOTING I:;I WIRE FABRIC LINE POST GROUND LINE PERSPECTIVE VIEW METAL FENCE DRAINAGE SWALE DIRECTS FLOW TO SEDIMENT BASIN 70' MIN. 3" SM -2A ASPHALT TOP COUIRSE A— L2 2% 2% ri xZ DIVERSION DITCH , SIDE ELEVATION EXISTING GROUND EXISTING PAVEMENT 6" VDOT #21A AGGREGATE BASE 70' MIN. ASPHALT PAVED WASHRACK 10' MIN. r 2% ii 12' MIN. EXISTING PAVEMENT 2% 2% DIVERSION DITCH MIN. POSITIVE DRAINAGE01 MIN. WIDTH AT DESIGN WATER TO SEDIMENT ELEVATION IS 4,0' I TRAPPING DEVICE 1 PLAN VIEW MUST EXTEND FULL WIDTH OF INGRESS AND EGRESS OPERATION SET 1%2" WATER HYDRANT WITH FROST PROOF HYDRANT 3' 70' MIN. ABOVE GRADE AND 4' OFF EDGE OF PAVEMENT 2%--"-_ ! X,, ' ti ,.t NOTE: A MINIMUM WATER TRAP OF 1" IS REQUIRED WITH A MINIMUM WASH HOSE DIA. OF 1.5" SECTION A—A A1LB EMAR LE COUNTY CONSTRUCTION ENTRANCE E-022 % SECTION N.T.S. PLATE. 3.07-3 SOURCE: VA. DSWC SOURCE: Adapted from Installation of Straw and Fabric Filter Barriers for Sedimlent Control, Sherwood & Wyant 1. SET POSTS AND EXCAVATE A 4"X4" TRENCH UPSLOPE ALONG THE LINE OF POSTS. FLOW 3. ATTACH THE FILTER FABRIC TO THE WIRE FENCE AND EXTEND IT INTO THE TRENCH. 2.. STAPLE WIRE FENCING TO THE POSTS. PLATE. 3.05-1 SOURCE: VA. DSWC M. BACKFILL AND COMPACT THE EXCAVATED SOIL. "{ 5. . / •=4'.{f tom: I I_ C FLOW Fri, �ll' —III EXTENSION OF FABRIC AND WIRE INTO THE TRENCH. FILTER FABRIC _I I I11IR2E =11 CONSTRUCTION OF A SILT FENCE (WITH WIRE SUPPORT) DETAlle N.T.S. PLATE 3.09-1 Source: Va. DSWC -01 RUNOFF _ WATER WITH OVERFLOW SPECIAL APPLICATION THIS METHOD OF INLET PROTECTION IS APPLICABLE AT CURB INLETS WHERE AN OVERFLOW CAPABILITY IS NECESSARY TO PREVENT EXCESSIVE PONDING IN FRONT OF THE STRUCTURE. * GRAVEL SHALL BE VDOT #3, #357 OR #5 COARSE AGGREGATE BLOCK & GRAVEL CURB INLET SEDIMENT FILTER E-029 % SECTION — — N.T.S. Plate 3.18-1 SOURCE: VDOT ROAD AND BRIDGE STANDARDS 3 CONCRETE BLOCK do FILL SLOPE SECTIO N `�Nv�4HVW ---J�7 Compacted Soil PIPE OUTLET TO FLAT ^� s AREA WITH NO DEFINED SOIL STABILIZATION MATS SHOULD / ' CHANNEL BE INSTALLED VERTICALLY Q / 18" : - — min. SLOPE SURFACE l j 5' NOTEI t ; PLAN VIEW DOWNSLOPE FOR BEST RESULTS. // 9 / SHALL BE SMOOTH I l l l l l l / AND FREE OF •` 1..• JIM,1,1,1,1,1, t Flow _ ROCKS, LUMPS OF ;�— IIII �IIIIII / / DIRT, GRASS AND �// 5 BESTICPLACEDTFSATLL ON Q� / �` 9 PROPERFSOIL FOR r -- 4.5' min. �ILa CONTACT. / A)cv� 4 ! J 2' __� III SIIIII d / / � 4,6' -- SECTION A -A FILTER CLOTH KEY IN 6"-9"; RECOMMENDED FOR ENTIRE PERIMETER -FII - / =IT_ IT I II= GRAVEL FILTER I DIRT SHALL BE �j j� �j DIVERSION � y j� j� �p �_ ; ;: ' '_I Illi �_ TAMPERED PRIOR TEMPORARY JLU� �y �1L�JL�� �JLy� A 111 1= I_ I II I � LAP OVER _ —� TO LAYING TOP E -00s -III III WIRE SCREEN SECTION N.T.S. 1 N FFILTERED WATER A 3do (MIN.) TOE BERM d ( MAINTAIN SLOPE ANGLE TRENCH INTO BERM AND PROGRESS DOWNSLOPE PLATE 3.07-8 E-008 N.T.S. PLATE: 3.36-5 DROP INLET WITH GATE SEDIMENT SPECIFIC APPLICATION THIS METHOD OF INLET PROTECTION IS APPLICABLE WHERE HEAVY FLOWS ARE EXPECTED AND WHERE AN OVERFLOW CAPACITY IS NECESSARY TO PREVENT EXCESSIVE PONDING AROUND THE STRUCTURE. GRAVEL SHALL BE VDOT #3, #357 OR #5 COARSE AGGREGATE. BLOCK & GRAVEL DROP INLET SEDIMENT FILTER F RIP RAPDITCH SECTION E-009 � SECTION N.T. � 8 TO WELL ANNEL u 1111 1�1 d SECTION A -A FILTER CLOTH IKEY IN 6"-9"; RECOMMENDED FOR ENTIRE PERIMETER NOTES: 1., APRON LINING MAY BE RIPRAP, GROUTED RIPRAP, GABION BASKET, OR CONCRETE. 2. La IS THE LENGTH OF THE RIPRAP APRON AS CALCUILATED USING PLATES 3.18-3 AND 3.18-4. 3. d = 1.5 TIMES THE MAXIMUM STONE DIAMETER, BUT NOT LESS THAN 6 INCHES. PIPE OUTLET CONDITIONS SECTION E-052 N.T.S. SLOPE LINING (WET SLOPE) TREATMENT – 2–`M1 POLYPROPELYENE NON–WOVEN TOP OF CUT SLOPE 2' (NEEDLE PUNCHED) TTI' O(N TREATMENT - rI' GEOTEXTILE FILTER III ER CL �) II CLOTH (BEHIND I I, 4' Pao��SOURCE R (PQ�`F�E 111111- TREATMENT - 2) if11T i. SOIL-,AB�E� BOTTOM OF FILL SLOP IIIII'll_ — — i — — ,� .;, '•� '�� III= -III•,-IIS —�- - _ � _- � �—__I 11 IIT. 'I_ IIIII r BOTTOM OF CUT SLOP 1 - BOTTOM OF CUT SLOPE 4 OR SHOULDER BREAK POINT TYPICAL TREATMENT - 2 JHI SOIL STABILIZATION MATTING & SLOPE INET. DETAIL N.T.S. TERRA CONCEPTS, P.C. MASTED & SITE PLANNING ENTITLEMENT PROCESSING LANDSCAPE ARCHITECTURE 2046 ROCK QUARRY ROAD LOUISA, VIRGINIA 23093 PH. 434-531-3600 mkeller@terraconceptspc.com r �,I,TH OF' Alan G. Franklin Lic. No. 35326 �...10NAL �. ��ATH OF OI�Glr Y Mark E. Keller I!7Cert. No. 0239 F" ;y U �c9 P E NRG ti SCALE:199=��9 SUBMITEDo 4-12-13 DRAWN BY: MEEK REVISIONS: All rights reserved. No part of the material protected by this copyright (plans, ideas, designs, sections or details expressed on these plans) may be reproduced, changed or utilized in any form or by any means, electronic or mechanical, including photocopying, scanning, or by any other means of retrieval system without written permission from Terra Concepts, P.C. Also, these plans may not be assigned to a third party without first written authorization of Terra Concepts, P.C. © TERRA CONCEPTS, P.C. \POLYETHYLENE }fr" �. (ATTACH TO POSTS WITH U MAX METAL TIE WIRES.) CONVENTIONAL z METAL(T)OR U)POSTS PERSPECTIVE VIEW PLASTIC FENCE SAFETY FENCE ELEVATION SOURCE: VA. DSWC �S I •I 3'�Sx �J I10' MAX. :I CONCRETE BRACING FOOTING I:;I WIRE FABRIC LINE POST GROUND LINE PERSPECTIVE VIEW METAL FENCE DRAINAGE SWALE DIRECTS FLOW TO SEDIMENT BASIN 70' MIN. 3" SM -2A ASPHALT TOP COUIRSE A— L2 2% 2% ri xZ DIVERSION DITCH , SIDE ELEVATION EXISTING GROUND EXISTING PAVEMENT 6" VDOT #21A AGGREGATE BASE 70' MIN. ASPHALT PAVED WASHRACK 10' MIN. r 2% ii 12' MIN. EXISTING PAVEMENT 2% 2% DIVERSION DITCH MIN. POSITIVE DRAINAGE01 MIN. WIDTH AT DESIGN WATER TO SEDIMENT ELEVATION IS 4,0' I TRAPPING DEVICE 1 PLAN VIEW MUST EXTEND FULL WIDTH OF INGRESS AND EGRESS OPERATION SET 1%2" WATER HYDRANT WITH FROST PROOF HYDRANT 3' 70' MIN. ABOVE GRADE AND 4' OFF EDGE OF PAVEMENT 2%--"-_ ! X,, ' ti ,.t NOTE: A MINIMUM WATER TRAP OF 1" IS REQUIRED WITH A MINIMUM WASH HOSE DIA. OF 1.5" SECTION A—A A1LB EMAR LE COUNTY CONSTRUCTION ENTRANCE E-022 % SECTION N.T.S. PLATE. 3.07-3 SOURCE: VA. DSWC SOURCE: Adapted from Installation of Straw and Fabric Filter Barriers for Sedimlent Control, Sherwood & Wyant 1. SET POSTS AND EXCAVATE A 4"X4" TRENCH UPSLOPE ALONG THE LINE OF POSTS. FLOW 3. ATTACH THE FILTER FABRIC TO THE WIRE FENCE AND EXTEND IT INTO THE TRENCH. 2.. STAPLE WIRE FENCING TO THE POSTS. PLATE. 3.05-1 SOURCE: VA. DSWC M. BACKFILL AND COMPACT THE EXCAVATED SOIL. "{ 5. . / •=4'.{f tom: I I_ C FLOW Fri, �ll' —III EXTENSION OF FABRIC AND WIRE INTO THE TRENCH. FILTER FABRIC _I I I11IR2E =11 CONSTRUCTION OF A SILT FENCE (WITH WIRE SUPPORT) DETAlle N.T.S. PLATE 3.09-1 Source: Va. DSWC -01 RUNOFF _ WATER WITH OVERFLOW SPECIAL APPLICATION THIS METHOD OF INLET PROTECTION IS APPLICABLE AT CURB INLETS WHERE AN OVERFLOW CAPABILITY IS NECESSARY TO PREVENT EXCESSIVE PONDING IN FRONT OF THE STRUCTURE. * GRAVEL SHALL BE VDOT #3, #357 OR #5 COARSE AGGREGATE BLOCK & GRAVEL CURB INLET SEDIMENT FILTER E-029 % SECTION — — N.T.S. Plate 3.18-1 SOURCE: VDOT ROAD AND BRIDGE STANDARDS 3 CONCRETE BLOCK do FILL SLOPE SECTIO N `�Nv�4HVW ---J�7 Compacted Soil PIPE OUTLET TO FLAT ^� s AREA WITH NO DEFINED SOIL STABILIZATION MATS SHOULD / ' CHANNEL BE INSTALLED VERTICALLY Q / 18" : - — min. SLOPE SURFACE l j 5' NOTEI t ; PLAN VIEW DOWNSLOPE FOR BEST RESULTS. // 9 / SHALL BE SMOOTH I l l l l l l / AND FREE OF •` 1..• JIM,1,1,1,1,1, t Flow _ ROCKS, LUMPS OF ;�— IIII �IIIIII / / DIRT, GRASS AND �// 5 BESTICPLACEDTFSATLL ON Q� / �` 9 PROPERFSOIL FOR r -- 4.5' min. �ILa CONTACT. / A)cv� 4 ! J 2' __� III SIIIII d / / � 4,6' -- SECTION A -A FILTER CLOTH KEY IN 6"-9"; RECOMMENDED FOR ENTIRE PERIMETER -FII - / =IT_ IT I II= GRAVEL FILTER I DIRT SHALL BE �j j� �j DIVERSION � y j� j� �p �_ ; ;: ' '_I Illi �_ TAMPERED PRIOR TEMPORARY JLU� �y �1L�JL�� �JLy� A 111 1= I_ I II I � LAP OVER _ —� TO LAYING TOP E -00s -III III WIRE SCREEN SECTION N.T.S. 1 N FFILTERED WATER A 3do (MIN.) TOE BERM d ( MAINTAIN SLOPE ANGLE TRENCH INTO BERM AND PROGRESS DOWNSLOPE PLATE 3.07-8 E-008 N.T.S. PLATE: 3.36-5 DROP INLET WITH GATE SEDIMENT SPECIFIC APPLICATION THIS METHOD OF INLET PROTECTION IS APPLICABLE WHERE HEAVY FLOWS ARE EXPECTED AND WHERE AN OVERFLOW CAPACITY IS NECESSARY TO PREVENT EXCESSIVE PONDING AROUND THE STRUCTURE. GRAVEL SHALL BE VDOT #3, #357 OR #5 COARSE AGGREGATE. BLOCK & GRAVEL DROP INLET SEDIMENT FILTER F RIP RAPDITCH SECTION E-009 � SECTION N.T. � 8 TO WELL ANNEL u 1111 1�1 d SECTION A -A FILTER CLOTH IKEY IN 6"-9"; RECOMMENDED FOR ENTIRE PERIMETER NOTES: 1., APRON LINING MAY BE RIPRAP, GROUTED RIPRAP, GABION BASKET, OR CONCRETE. 2. La IS THE LENGTH OF THE RIPRAP APRON AS CALCUILATED USING PLATES 3.18-3 AND 3.18-4. 3. d = 1.5 TIMES THE MAXIMUM STONE DIAMETER, BUT NOT LESS THAN 6 INCHES. PIPE OUTLET CONDITIONS SECTION E-052 N.T.S. SLOPE LINING (WET SLOPE) TREATMENT – 2–`M1 POLYPROPELYENE NON–WOVEN TOP OF CUT SLOPE 2' (NEEDLE PUNCHED) TTI' O(N TREATMENT - rI' GEOTEXTILE FILTER III ER CL �) II CLOTH (BEHIND I I, 4' Pao��SOURCE R (PQ�`F�E 111111- TREATMENT - 2) if11T i. SOIL-,AB�E� BOTTOM OF FILL SLOP IIIII'll_ — — i — — ,� .;, '•� '�� III= -III•,-IIS —�- - _ � _- � �—__I 11 IIT. 'I_ IIIII r BOTTOM OF CUT SLOP 1 - BOTTOM OF CUT SLOPE 4 OR SHOULDER BREAK POINT TYPICAL TREATMENT - 2 JHI SOIL STABILIZATION MATTING & SLOPE INET. DETAIL N.T.S. TERRA CONCEPTS, P.C. MASTED & SITE PLANNING ENTITLEMENT PROCESSING LANDSCAPE ARCHITECTURE 2046 ROCK QUARRY ROAD LOUISA, VIRGINIA 23093 PH. 434-531-3600 mkeller@terraconceptspc.com r �,I,TH OF' Alan G. Franklin Lic. No. 35326 �...10NAL �. ��ATH OF OI�Glr Y Mark E. Keller I!7Cert. No. 0239 F" ;y U �c9 P E NRG ti SCALE:199=��9 SUBMITEDo 4-12-13 DRAWN BY: MEEK REVISIONS: All rights reserved. No part of the material protected by this copyright (plans, ideas, designs, sections or details expressed on these plans) may be reproduced, changed or utilized in any form or by any means, electronic or mechanical, including photocopying, scanning, or by any other means of retrieval system without written permission from Terra Concepts, P.C. Also, these plans may not be assigned to a third party without first written authorization of Terra Concepts, P.C. © TERRA CONCEPTS, P.C. \POLYETHYLENE }fr" FABRIC (ATTACH TO POSTS WITH U MAX METAL TIE WIRES.) CONVENTIONAL 5' MIN. METAL(T)OR U)POSTS PERSPECTIVE VIEW PLASTIC FENCE SAFETY FENCE ELEVATION SOURCE: VA. DSWC �S I •I 3'�Sx �J I10' MAX. :I CONCRETE BRACING FOOTING I:;I WIRE FABRIC LINE POST GROUND LINE PERSPECTIVE VIEW METAL FENCE DRAINAGE SWALE DIRECTS FLOW TO SEDIMENT BASIN 70' MIN. 3" SM -2A ASPHALT TOP COUIRSE A— L2 2% 2% ri xZ DIVERSION DITCH , SIDE ELEVATION EXISTING GROUND EXISTING PAVEMENT 6" VDOT #21A AGGREGATE BASE 70' MIN. ASPHALT PAVED WASHRACK 10' MIN. r 2% ii 12' MIN. EXISTING PAVEMENT 2% 2% DIVERSION DITCH MIN. POSITIVE DRAINAGE01 MIN. WIDTH AT DESIGN WATER TO SEDIMENT ELEVATION IS 4,0' I TRAPPING DEVICE 1 PLAN VIEW MUST EXTEND FULL WIDTH OF INGRESS AND EGRESS OPERATION SET 1%2" WATER HYDRANT WITH FROST PROOF HYDRANT 3' 70' MIN. ABOVE GRADE AND 4' OFF EDGE OF PAVEMENT 2%--"-_ ! X,, ' ti ,.t NOTE: A MINIMUM WATER TRAP OF 1" IS REQUIRED WITH A MINIMUM WASH HOSE DIA. OF 1.5" SECTION A—A A1LB EMAR LE COUNTY CONSTRUCTION ENTRANCE E-022 % SECTION N.T.S. PLATE. 3.07-3 SOURCE: VA. DSWC SOURCE: Adapted from Installation of Straw and Fabric Filter Barriers for Sedimlent Control, Sherwood & Wyant 1. SET POSTS AND EXCAVATE A 4"X4" TRENCH UPSLOPE ALONG THE LINE OF POSTS. FLOW 3. ATTACH THE FILTER FABRIC TO THE WIRE FENCE AND EXTEND IT INTO THE TRENCH. 2.. STAPLE WIRE FENCING TO THE POSTS. PLATE. 3.05-1 SOURCE: VA. DSWC M. BACKFILL AND COMPACT THE EXCAVATED SOIL. "{ 5. . / •=4'.{f tom: I I_ C FLOW Fri, �ll' —III EXTENSION OF FABRIC AND WIRE INTO THE TRENCH. FILTER FABRIC _I I I11IR2E =11 CONSTRUCTION OF A SILT FENCE (WITH WIRE SUPPORT) DETAlle N.T.S. PLATE 3.09-1 Source: Va. DSWC -01 RUNOFF _ WATER WITH OVERFLOW SPECIAL APPLICATION THIS METHOD OF INLET PROTECTION IS APPLICABLE AT CURB INLETS WHERE AN OVERFLOW CAPABILITY IS NECESSARY TO PREVENT EXCESSIVE PONDING IN FRONT OF THE STRUCTURE. * GRAVEL SHALL BE VDOT #3, #357 OR #5 COARSE AGGREGATE BLOCK & GRAVEL CURB INLET SEDIMENT FILTER E-029 % SECTION — — N.T.S. Plate 3.18-1 SOURCE: VDOT ROAD AND BRIDGE STANDARDS 3 CONCRETE BLOCK do FILL SLOPE SECTIO N `�Nv�4HVW ---J�7 Compacted Soil PIPE OUTLET TO FLAT ^� s AREA WITH NO DEFINED SOIL STABILIZATION MATS SHOULD / ' CHANNEL BE INSTALLED VERTICALLY Q / 18" : - — min. SLOPE SURFACE l j 5' NOTEI t ; PLAN VIEW DOWNSLOPE FOR BEST RESULTS. // 9 / SHALL BE SMOOTH I l l l l l l / AND FREE OF •` 1..• JIM,1,1,1,1,1, t Flow _ ROCKS, LUMPS OF ;�— IIII �IIIIII / / DIRT, GRASS AND �// 5 BESTICPLACEDTFSATLL ON Q� / �` 9 PROPERFSOIL FOR r -- 4.5' min. �ILa CONTACT. / A)cv� 4 ! J 2' __� III SIIIII d / / � 4,6' -- SECTION A -A FILTER CLOTH KEY IN 6"-9"; RECOMMENDED FOR ENTIRE PERIMETER -FII - / =IT_ IT I II= GRAVEL FILTER I DIRT SHALL BE �j j� �j DIVERSION � y j� j� �p �_ ; ;: ' '_I Illi �_ TAMPERED PRIOR TEMPORARY JLU� �y �1L�JL�� �JLy� A 111 1= I_ I II I � LAP OVER _ —� TO LAYING TOP E -00s -III III WIRE SCREEN SECTION N.T.S. 1 N FFILTERED WATER A 3do (MIN.) TOE BERM d ( MAINTAIN SLOPE ANGLE TRENCH INTO BERM AND PROGRESS DOWNSLOPE PLATE 3.07-8 E-008 N.T.S. PLATE: 3.36-5 DROP INLET WITH GATE SEDIMENT SPECIFIC APPLICATION THIS METHOD OF INLET PROTECTION IS APPLICABLE WHERE HEAVY FLOWS ARE EXPECTED AND WHERE AN OVERFLOW CAPACITY IS NECESSARY TO PREVENT EXCESSIVE PONDING AROUND THE STRUCTURE. GRAVEL SHALL BE VDOT #3, #357 OR #5 COARSE AGGREGATE. BLOCK & GRAVEL DROP INLET SEDIMENT FILTER F RIP RAPDITCH SECTION E-009 � SECTION N.T. � 8 TO WELL ANNEL u 1111 1�1 d SECTION A -A FILTER CLOTH IKEY IN 6"-9"; RECOMMENDED FOR ENTIRE PERIMETER NOTES: 1., APRON LINING MAY BE RIPRAP, GROUTED RIPRAP, GABION BASKET, OR CONCRETE. 2. La IS THE LENGTH OF THE RIPRAP APRON AS CALCUILATED USING PLATES 3.18-3 AND 3.18-4. 3. d = 1.5 TIMES THE MAXIMUM STONE DIAMETER, BUT NOT LESS THAN 6 INCHES. PIPE OUTLET CONDITIONS SECTION E-052 N.T.S. SLOPE LINING (WET SLOPE) TREATMENT – 2–`M1 POLYPROPELYENE NON–WOVEN TOP OF CUT SLOPE 2' (NEEDLE PUNCHED) TTI' O(N TREATMENT - rI' GEOTEXTILE FILTER III ER CL �) II CLOTH (BEHIND I I, 4' Pao��SOURCE R (PQ�`F�E 111111- TREATMENT - 2) if11T i. SOIL-,AB�E� BOTTOM OF FILL SLOP IIIII'll_ — — i — — ,� .;, '•� '�� III= -III•,-IIS —�- - _ � _- � �—__I 11 IIT. 'I_ IIIII r BOTTOM OF CUT SLOP 1 - BOTTOM OF CUT SLOPE 4 OR SHOULDER BREAK POINT TYPICAL TREATMENT - 2 JHI SOIL STABILIZATION MATTING & SLOPE INET. DETAIL N.T.S. TERRA CONCEPTS, P.C. MASTED & SITE PLANNING ENTITLEMENT PROCESSING LANDSCAPE ARCHITECTURE 2046 ROCK QUARRY ROAD LOUISA, VIRGINIA 23093 PH. 434-531-3600 mkeller@terraconceptspc.com r �,I,TH OF' Alan G. Franklin Lic. No. 35326 �...10NAL �. ��ATH OF OI�Glr Y Mark E. Keller I!7Cert. No. 0239 F" ;y U �c9 P E NRG ti SCALE:199=��9 SUBMITEDo 4-12-13 DRAWN BY: MEEK REVISIONS: All rights reserved. No part of the material protected by this copyright (plans, ideas, designs, sections or details expressed on these plans) may be reproduced, changed or utilized in any form or by any means, electronic or mechanical, including photocopying, scanning, or by any other means of retrieval system without written permission from Terra Concepts, P.C. Also, these plans may not be assigned to a third party without first written authorization of Terra Concepts, P.C. © TERRA CONCEPTS, P.C. - - 1� - .... -, , - I c . I -1 . � � I I , � �..","�., / ,� , -� i , � I / I/ / ,� / / -1 - �, ; � / I / ; / I I � i j I I ", . I � - � A I / � - � ! � I t / -11 -11, I -, � � j � i � , - -- - I I I � ! ; I �. , I , 11 -1- i � \ � I i ! �1' � ! I ,I / 11 I I ,I ! I -- --1- -1- , � i : ,� � / - ; I � "-, i / DR�INAGE DI DE t � -- ... I .1 � I/ / I � ) � � / ,�; ,---." :1 I �11 /, I � � 11� 1 I / � 1� i - 11 I", I i 1 ! TYP. 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I � �111 - -, - .. ..... 7 - - -11- -,--- �- �t " - --� � i ,-� --,',� � � ' � - --" - -, , - , - '.1 48926--_ . � + �4.04 490.4�11- ' ,-1 ' -- - . ...... '11-- -, , ...... �- ,,,,, � -, 4 . \ , I � '-11 / I/ I - I , + 476.90 1111._ - - -1 11 --- , -� 4 ... � + - - - - . - 11 4§V,2Z, --- . --- -- -- -111- � I % ", � j I ? I � " "', 1, `48 I - - I � -+ - _ _ , _,, _,, -I_ �--, " � , , i \ � . I �,/ i , , �i 1 76-69 --- -,.�"+ 81�02 ,�, I , -- � -_ � - 1j, ". � , - --�, I I '-- _-- ,1. - ---- 477.06, ,..-,,, -- "" -- -,�-, � j , , 11 I �N � ," �,� - , -1-1_111--- -- - -- - � - - �." -.- -- -1 . ..... --- � + 47232�` "' I'' .. I --- � 1, � t 461. , � I , -- - -- 11 ---- , '- -- - I i \ 1� / / �Z , � - - -1111- , , � / � / ( r , 11 ',�f 1 4 � . I ---- -1- , I- 1- -11, - 1-- -- -1-1- � -- - � ---- , - - --/ -- .. -- � �� - - - - , ,- " - --- - ...... --, � � � I � I -1-1 I - �- - i I /, i % 11 i 11 � / / I , -"-,%I ,11 � "-,� " � -- ,--,-. -1- - I-- 11- - - 46 I„1111,.»_� --- I I I / i , /,4- (" I i " 1- - -1- -1---11, -- --- - ,- -1- 2 I-`- " ", --- - -- -- "' " I I i 0 I � - -- -, 11-1- ,-1- I � I -1 I ! / 11 . - � --1- � ------ -1- - ,- "11-11, -1-1- --- - - �, - --- - � \ 8 ' . . - , / - . -1 11 -- -- - - � -- ! \ 469,� 1 1, I I - - - ". � � I ,�, - , j ��"- ---, I - -1 - - - - ".- , , '11- " . ,_1 -1- --- , I - , I - -- 1111- ."'ke I , -469.58+ , � � - 11 - , "I -� /� - - - � i -, / "11� 4 .1 I Y 1-- --- -1- I,--- ,-- -;t,� - - - I , I 1--- , �- � '. 11-- / 11 \ 1, , " I f I ...", -;', 476,49 " -111, �, , � I �,,�, 11 / / - ,� , I ....... -.1 - ... - - --- - 1-1 � -, ,,, ! � , - ; I , I 1-- - �- �101- -- � - ..." -1- I I I '\ t , -, f , I I x , , � �, i / , I i 47$.41 1 , -- , -.1- --.-- o ��: - - ------ -- - ,,,, �, I I ,,,, . j ! � � / / .;„y �, ", / -� / - "r-1 -.1 ---- 4�,,�n, -- - -- - - �11 . .... .. --- -.- 11 I 11 s , I � , - - I --- ---- . I ; 0.1 'I, � , / - "I -1 . \ I � , I / �, 11 -;�' � I � - 1-1- - --- - -3 I , 1 1 1 1 1 / / I / I � - - - ----, -- ---- --- ----- I I - I I 11 i / , -- I-" I 11 \ I I / �'! -, I "I �, \ ,� � / / / 11 , -- - I , / � � \ � , I - � 11 � \- I -- , I . 1, . i � . i + 470.45 I � i I � � . // , 2 � , . / / ". I I , I + 475, 1 ---- - "Ill, I � ,�2 i � , �i " , / - -,-- / t / .:F,,,, iI I 11 , jo lk f i I ! --- - - - -1- ---- - - --- -_- --",- -- -Q- . I �/ i ,� \ , , 1 � 11 1, ,� Ir %%j �, , - - - -- - -1 1, k \ I / / I , I " "I" - - - -1-1 -,-- . I" ��, j, +;468241 . I �, .1, ,� , � / , 11 / , ,• - � - - - -- - I."--- - - .-1- , I - / 11 I / - I ) / /j " I � c 474.68 I',, , 111�6 - - - "--, --1- I- . �� I ./ i j / � I - - 11-1 - � I . ; 11, ! , � � � I %%/, 1-�'111 � , 4 -1 / - I - - I/ �/ , .. 11 11 i / -0 / 11 ,", ; ,�� I ��.� �, *, i\ , , � j /0 ,� I , + 47�.02 I / - , 1; t - - � 11/ I I / / /� �, I . I , I - i � I ' , �+ 4 I - `a. t i + � � 'y 4459,4� ! 1-4. I // I �', 469.57 �, 11, ��59,"�4�j *% /. / ) / 17-,, , I ---- / / � I � I � � 2 I/ I � � k , � � \, � , , I '%Z [ / � . I I � . I I , , , � I \ � . , V 41;;�. �, I TIME OF I \ � I � - ; 473.91 . I � i 11 , , � ftft I � ,,�" ,-� /, 11 / 1--� � '----, � ; � �..-------- � I - � ---- ,,� ,� %. 441�,;t� i'�4q.-, ,,� I I + 475.02 ION _,.,/ -j F IN I I � � A � , �. 7�11 I Ix i, � f �,-� I � I - I �� �- ,/ N 11A �- *---/ ", � 1, - - ----_ . + 1 '�4 6 � '7.A -, --/ / /' � / 4 PATH I I ,; I .. . " I t / � ! 2 . / � 14%,ftr�'. �r ., � I I / C ; � � i '� � I -% / 91 / � I . � , I , ; / �Q , , �? . I q I I�,- /" , . �, TIME OF � ) ---�-/ �� i, - ,� CONCENTRATION ; I � / I , 1 � ! 11 T 470.01 . /, / IV / PATH "I I- .) I , , I / --, � - I , i 1 1 / - ", ,--� I � / I ) � 1 " k, I 11� I /" �.?4�- /I / 1-1 �, f 4 � '� * I --- - " � I . I I/' / . -1-1- -- . � i � � I 1--�,- " I "• 111- I ... -, -1- � / I �t � I � � I '. .0 .-- � , I - -- / � . � � 11 .1 I -�-1 i. � I I -1 Y 11 I - / 1 114", � I " -- - I � - --,,� /I ", � /"� I ---- -- I - - -- V I 4 / / � -� I (, il i I i '- - --, --- -.- 11-- 1111 __ - --- -1-11 --- , i , I + � � � -- - "I" - --l" A ) 469.19 � , r / -- -- --, --- I-- -1- � / ! I 1 , " �, / 11 11 11 3.24 1 -1- --- -.", --, -- ... ...... I . I I - .� I \ I I ! f I' � 1, �� , � � j 1, ; � • ', 0 fes,, I I + 47 / PRE -DEV. AREA - "" 0 i , �46,:;D+ , ' ,/ Y / III" I., �-- � � I \ � , 461.1 + , PRE -DEV. ARE , 1, 0 f"i 11 / I � , , 0\ n, . / " I I 1% , I 1. � I 11 466.86 11 I I I � ; � � I � + t ) 11 ; � � - --.-- � � � i 11! / . I " � 3.24 11 rl:� I .1 , / I � 11 � � ) / Q� 1 1 1 I I I ' k I I , WEST / / + 473.33 ", EAST � '. e � / / � 11 I � I i I / " I DRAINAGE DIVIDE, I t I � I t \ � .. V ! , 'I'/ � D.A. = 1.85 Acres . . , I -111, f � t . , � � , 471.17 TYP. DI.)A. = 1.39 Acres + 469.03 i ,I I I ; � \ 11 I I " � 1. o " � I ; � , .1 " . , " ,7; , � . i \ � 4 2.59 , � � I , , �, I i �, � I I 11. / / / , , j / � � I , 11 + 472.79 c = 0.25 i �\ I 11 , 1, / - / i c = 0.25 1 � ! / y I / �' � j , � � I r '/.�- , I + 472.77 i � " % : � � 11 , ,r` - I I t I I , / ." .1 // )", I r / �-- -�, t1G,,.iF9.23 mins. . , �+ 11 I I I I - i �, I / . / � i ) 4671: 7 � 4j52.41 . 'J / /,\ I / Jc = 7.33 mins.', � I + 1, I 1, . i ., ** / , 1;1 I � I �)/ I C 5 11 , 11 I I . ; %, 11 � I \ 117��11 I'll I -,� , + 472.36 Q2pre = 1.97 cfs "I Z . 11 ,� �, /I I � + 472.13 . . I I I . 1� 11 / I �-,/ 1% � � , / ,; 471.58 � � 1- -1-111- -.-, g2pre = 1.79 c ' I I I I / I,.; + , -- ." � 11 ! 11 i , !;, I / "I . / I" I // i 1 i I �, -f�-69.73 t / �-�/ / � I ,I-.- - Q 1 Opre = 2.56 cfs I 11 I - � /' I � '�- Q10pre = 2.31 ds, \ j 11 i I/ / / � 1. � 11 "-- --- . 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"'. 465, 3 -,- BW , f , ) � , I I '11/� , , i $ " I *'o / i + i I -� . - , , I 1�, 4625�, 459.57 1 1 -, ; , , , 470.56 1 1 I , � I \ 11 -, � .1 � . + 470 POINT OF ANALYSIS = 1- Y + 471.40 -+ � I/ , I / i / ..... - �, � , � I , . - 1 463. /I , - ) , 472.02 11 I / , ---- PIPE TO EX. CHANNEL -1,". I POINT OFANALYsis--.-..I ", I � I 11 1 -( ,-,- I 1, . \1, + 46335 - - -- � , � I I", - --- 11-1-1- ,� \ 'i�'PIPE I �, � \, -- TC T � I ./ -.1- --- -1-11 -- ! - I = EX�/'4492'- , / 1�- , 1 46 30 � . -11 , " - -1- -1- - I I 1. \// "", ." / ,- 462.91 "PC I ,r r" D + 471A8 - --- --- - -.- -11 - ,/ 11 I I r , i �- -. -- -- - - ,..-- -------- - � I 11, I . I "I / / �'; \ ; * -' 1. 1 466.47 +', // ,' k 462. 1�1 4M89 ---, / ,� � " ', ( � 11 ; j � , / , .!r , " , w � i . I z� ) 471.60 ,� I / , � �- 1 �/ �" ,�, /I 462.41 "i I / I + 469.43 ? / --- � I 1 469.16 � i I �� / �- 11 � ! � I , 4 27' / I i . J ) I � � � 64r j + � � i-- :- - � "I '� 11 -/ k I � , �l, \ 1 I I � . //,�'111 � I., � I � i , f I /� , , �� 11 . �,/ 471.79 - / I /--I- �, ,,� / . 1, ?- 1 4W.97 �,-) + 470.18 + 471.06 470.45 ) - - 1, , /,/"�",' ,. I " I ) . I , 1 , I I 1, 1, �� " I / � / 7� ---/ ,-, �, � ; � I C ,� i y, I ,,, � -'�"- I ; ) I I / "I I I 1 69 51� L_ ___ 1, /1, � /\ � -�,�--/ \ -" ,.,----,,- - - - - - - -1-1-- - - ------ -,�'-- ,. Z � �/ I � �,Z-:- ',� /' 1-,-�' - I � : �� , ,-- --l- -------- - - , I - 11111,ii�� -- I, -1-11 470.99 --11_1_1_-_. �- I 1 4 4.. - I � /, iiiiii"-/ . .. ... '- -1-1\. I - 1 I 11 I I --- I , -� ) wwli� - � ,� -41111111M-M5�49-14�1 --- ,Z --A= � I . 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I i - i - i � i, - I - + 4 [!",36 11 ! ! f - �-. --�. . : ... .... , " ,-,- .. . :: 7'**�I/l 4t, ` ) - ,4., D.A. = 2.84 Acres T -�-'� -*i r`AQ . � *,* / 4 .13 - ..." i * .'. �:�, , � / ; Z *,-* � t I � 11 I 471M �� - -5-11CIN �,-: 5T1.1 EAPff�F. - �;" , -,NC BIO -RETENTION BASIN I 1. % - 0 f %%.. 0 VIZI, -1 � r11 / I !,� I +1 V- -"..- �." - r"', ---- - , , V - - - --, � .. / / I � � '. � - -- . I I It" " 1 .-:,. i 1." / '/ 11 / "', --- � �, *�47, ,.-.:,I c = 0.76 �i -- � I � /I /I I I � - �', 1., W/ INTERNAL WATER , . / - 11 - I ,:,'.'.; - - - - - - - - - - -1 - - - - -, 1i ��,�,,,�?,V� I / I f , - 'O'..- 1pl� I I - I - � - '.. � I ! I + _;Vil , I �--",, ... . I -1 � 4""", 0.4S4, I � I - . 1, �,, ; ..., . I � . = - � 11 V � I I-- -� ," � 71-.98 (84,718 sf of Impervious) 11 G,'- .� I r I" � , - *�j� � ,t, - �'�, -, 1, I- - ,� I - , ,,, I I - X,�,,:!, , � - ) / / � " -.- - - 10, I 4?�� . . T_� � �. I , k--� � -;,? / Kil 1. :: I � -,- -111 . , , , - - � - I / I / . , ---!�'- / ,- I � ,--�, / tc = 5.00 mins. , ,�.- -;t 471.52 , , ,�3`,, �`- - , �" �.;- - � k - 11-i 11 11 � - I - - :6 /I �,;:.�,' , i .: w ,` Bottom Elev. 465-50 . I // , � I - �,, 1� !��*--"- . .., , �,�- �', - �.,. �- ,," -; , / � , " / -,( - �."�,--�, " " / ', / , I I ( , + 470.77 � ,` / � - I I �- - -1- L�'. " � " .c ', I 1� - 1'�,!- 1'1�,�h,., I I ID I . � , I + ��-'�-,3 1.1, 1- .- � � ,, ,5"� ,'-�� - . �-,�"`; , , t i�`.--"- , � I � / " i/ 1 ---,.- I f�; --- --- I - + 471.74 -, � Q2POSt = 10.99 CfS �", -. '' 1171 t , , 1 (4,7 0 0 sf) -� -, �-.,-- � , 0 -,e-- � � I I /-k�,� ,,��,, E � 1, I I I ..:..:.. � -, -"-, 1-o-1- I � / � I -. . � �', -i 470 56 . . /P ,'�, ! , - . ... �� , . 1� �,�; 1-/- I � I i I ---, ---, ---, - -- --- - - ---- - - 11 � - 1, --�, ,.- - i - I I 1, q, ," 11?` � � I / � + 470.01 � ; ", � 471.40 �± -, � I;,. �, - I --r-� 11 . � , I � i z-, / �, ,;;, " - I , x / I t I I- Qiopost = 14.1 1 cfs 11, �- / � 1, '.I - I �,,��,�� I - � � (, - t, t I'll I � - , , 5 -, / I � ) ---_ - I Q2pOStSWM = 1.86 cfs - I-- -,-, � ",-,���,-)', ,--! - -- - � / /- - - ,:/ DRAINAGE DIVIDE, ", '�� POO -- 1. -.1- -.1- --- ; �� ,,, `2�*Ri'i 11�--t--` . MAP - � U - - I I �t- -� � �, 0 / I / - 1 -- -1- -:�� _ �� , � -j I , --,, FIEPIM, Rl - - - , .1 �� ', � � � - - I -- ".1- -- . . � -- -- / Typ � .. Z,- ,�11 I * -2-7 , - .....- ... -. --, --- .-,-- -- -11 �, 1, -... I I = / i AT PIPE ft-!`.;,\ � I Ili fi,-- \ our �- Qiopostswm = 2.58 cfs -/ - .%. Q ,-` , " 1.3Z 11 � I � 11 STA. 1'�+75.32 5FON-F 3TtADff111 , F -4�, /--- I 7r - -1 � 4iu.du -- - -, ( ." -�' 11 �i N, ���,�;,��'�-,"�e'll""I'���ili-11,��, , :1 , , , I I'd �-� 1- I - I I I I ,',',��,� �, � 11 U �- ;��� I I 1� I I � I i /I - I 1 � i / 471.60 ...'....'� - \� : � I I . � 1, A - - r3 ��- -1 - - ; : - I � i i �� � -, ,.",l ? I ,� -� A 11 + I *.', -,... .: . .. -.1 , I - .., . 11. "I"',�,". �f i - I -,]Nffj-- - 1�-1-1. : , �`.�� , ,,�,lv��- ,�,- , � J,� -� I.". - 1.11! I " . ,".L 'Im.�.� " : i , , . ,� . i . - , .. �:�--! � ,. , - - -�-_L- I , 5. - .. "6 j . - ", %,�, " / - -17, RF-- : ��� '. . -. 1� �i - _!;�.���",,'111�i ... - ' . � �, , 466.97 "..": . � 1. - ,, - ". 1;%. � � - , , , .,. .. .; ! - - , - �,:, � - .:,- , -- I .:- '-.111111". 17.t . x471 Y3 �1, I-, ,,,,, , , - , " '. , -, ;.":.. 1111 1111 �'I- I " I � - ,:.%,'� .. Vt . . I . � . ... ., F. -, - -, I . - I , �, � "I, A [ --- - 0, � , - --� .. " , '. : , ..--�,.,-.,.,4,:.,��,.",:�.,.."","..,.,-�,,:,�,..'-'-,-,-, -�-l'-'.! �,7 , �` . , , 11 T-�/�,- ;.. - �,'�,,-,..,�,,,�,.��=,�.-�.,.�,.,*",... :.. --.'-,* -�- " - , . I ' : . . �; � . .�.�.:.""i�..*-..,..".,"",k�",."-�-,�:.�.,.:.".:�,,-::".�. ", .. , ) ��*�, '.--. � , • ��.-"�,�,.,.�..,*-,'.-',,-,�...,'..�.--.�,."Z,.-..",...., - . .."'." -.--,.1i-�"-'. I -..., . "! " - , ," .,..., - :4 - , *�i� / .., " . . -�-�n ... I , - --. -1 , ,; 11 I - ,. .." � I �.-� i-, - - I --,- - , - I . , -'��, .. - il�� 4`1 ..", -"� ,� . 4. I - � - �'. �', I" • ; I A. I q,+26,42 - I �-1-111*1-'.'," ', �-`�` ..�:,:.. --'-�:� . -- -,.; .4.". - : . .. , I . i � ��', 'O * .*'It& :�: :-',-:.`.0 I. ...."...". - .59 �, � , . .- ... ... . � . .. . ... ,rm -----�- - I -11 : , , -� , . I . , 11 . � -- --- � , k -- --- --- � �-11- - --- ,\ - D2-1)3 24i, -10FL �A- - . . . --.- - -- --V-7 --- I I - �, - I I � --�-' -1- -- �_=Wffiw-- - . ..... - I � - ---� 11 / . - ---- - I" 469).- - I -���---�--A � � I., --,/", 47085 U[�'4 STA. 13+55 1 467.85 �, �- ' 11 I,- �� 470.74 1116806;6i1111109FFF!!7- - - 4"Ab ." � I ----- � , -.- � � / - , , , I �� I I . -- + -- --+ , --,""<�� I . / -- I 1 VO 43 _?,911 --- / "" -111.11-, . .... ... I , � , " 11 ,� �,::. -i: ��',� � . I .. ,,:� - I U , 3 -- -_ - -�� 47 .43 - -111-1- I- / : . . I'll, �, - _,�_ --- --- -- ---- .11-1-- .1-11-1-1- ---- ''--.-,----- ____ _ - ------- -- .., �1.41 -.1-1-- - ..... � ... , I.. i ", - - --, , +1 5 --,, - , ,� 5TA. !O - A � - , 5 1 f 1. - ,-, I � � - . I / '1414 1114-,. , I I � :,. . ,, � , %.'_'� - I + POINT QP'ANALYSIS ---// ; / -- " 11, �. 1111111111111111111pp" 470.50 + +470.60 470.70 = EX.48" PIPE -..+Iopoilll + + I N\ \1� +46A Ft 1 470.37 1 469.88 � � '. t I I 1 + 470.47 , -, -1- , I \\ \ SHOPPER'S WORLD \\\ \\ \\ \\ , POST-DEVELOPMENT DRAINAGE AREA MAP ' ZVEABLE INTERLOCKING I 4qRETE PAVERS, TYP. 12F) �55 ,--*- -- TIME OF CONCENTRATION PATH , ,+ , , ," \ 1. " \ I / I , I ,\\, - � , - a 4..1X \ \465 27 � '-% -'- 464.45\ ' ,-��-�--`,-- -,-" '/ - -.- YERX-RA , P.C. MASTER & SITE PLANNING ENTITLEMENT PROCESSING LANDSCAPE ARCHITECTURE 2046 ROCK QUARRY ROAD LOUISA, VIRGINIA 23093 PH. 434-531-3600 - mke11e,r@terTaconcCPt8PC.CDM � I ls,� VrTH OF , t, /0�1�� "I - I, 1* 1 �, C-3 11�01 Alan G. Franklin Uc. No. 35326 I I lj�F - � 0 %;ZSY0NAL '�� � � Ik LTH OF ��N-1� Mark L. 7 Keller r' Cert. No. 0239 E" 17 �-) r C,`, 01G� I SCALE: F9=20' SUBMITED: 4-12-13 DRAWN BY: MEK REVISIONS: 1. 7-5-13 SITE REVIEW 2. 11-15-13 SITE REVIEW 3, 5-4=15 BMP OUTFALL CHANGE I All rights reserved. No part of the material protected by this copyright (plans, ideas, designs, sections or details I expre sed on these plans) may be reproduced, changed or utilized in any form or by any means, electronic or mechanical, including photocopying, scanning, or by any other means of retrieval system without written permission from Terra Concepts, P.C. Also, these plans may not be assigned to a third party without first written authorization of Terra Concepts, P.C. I - @ TERRA CONCEPTS, P.C. I SHEET = IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII Ar 10' SURFACE A - DRAINAGE Ct, EASEMENT Jfi 'ZI DB. �337, ', , /. /j Q P. 336 PIAT A.. + 473IN TM P 61 M"2-7 FREDERICK T. HARTLING TrAr—%j I %J "a 0) f ........ ./ % 471.17 ki FERW RIPRAF -F- AT FIFE OUTLET + 47 79 ORf )AY N� LOCATION T L co 4 3 Q5471.58 + Y �V, (M �vV2 + TMP 61 M-2-6 JOHN T. AND// K H I. - GAIL S. TAFFEd. D.B. 743 P. 230 I GUARD RAI L D.B. 337 R,332, 336 PLAT' 7 .7 r\+ 10T 6 j N, + II BLOCK/2 SECTION 1'. 4�0.77 1- M #2508" /,5ODDE 4 MD5�XFED D 10 T rE:� '10 W N X 4� 120 M, 11) + N + H F 5, 0 Ile" DER, 2 /I (� tv,d N - SEE SHEET 4 FOR CONTINUATION OF 15" HDPE TO EXISTING CHANNEL 6" WIDE x 18" DEEP FLUSH CONCRETE CURB BETWEEN PAVER SECTION AND ASPHALT PAVING, TYP. N BIO -FILTER ENLARCTED PLAN L+ + .1.50 473 0 5D 1- 2 24 h PE 5b D2 -D3 5TA. 10+18.5 G G GUARDRAIL �� SCALE: I" =7109 NOTE: SEE SHEET 10 OF FINAL SIE DEVELOPMENT PLAN SET FOR 1310 -FILTER PLANTING SPECIFICATIONS y V PERMEABLE INTERLOCKING CONCRETE PAVER BLOCKS SET ON 2" OF VDOT #8 STONE 4" VDOT #57 STONE 8" VDOT #3 STONE (SWEEP JOINTS WITH VDOT #8'S) SEE Pi Am GEOTEXTILE PER PAVER --- MANUFACTURER'S SPECS. PERMEABLE PAVERS EAST LOT SECTION 36' PERMEABLE INTERLOCKING CONCRETE PAVER BLOCKS SET ON 2" OF VDOT #8 STONE r vnOT #57 STONE VDOT STD. CG -2 6" PERFORATED PVC UNDERDRAIN TO CONNECT TO STORM DRAIN 'A' GEOTEXTILE PER PAVER MANUFACTURER'S SPECS. D PERMEABLE PAVERS CENTER AISLE SECTION 6" PERFORATED PVC UNDERDRAIN TO CONNECT TO STORM DRAIN 'E' EXTEND VDOT STD. CG -2 6" TO "LOCK IN UNDERGRAVEL FLUSH CONCRETE CURB BETWEEN PAVER SECTION AND ASPHALT PAVING, TYP. ALBEMARLE COUNTY ENGINEERING GENERAL CONSTRUCTION NOTES FOR STORMWATER MANAGEMENT PLANS: 1 ALL DAMS AND CONSTRUCTED FILL TO BE WITHIN 95% OF MAXIMUM DRY DENSITY AND 2% OF OPTIMUM MOISTURE CONTENT. ALL FILL MATERIAL TO BE APPROVED BY A GEOTECHNICAL ENGINEER. A GEOTIECHNICAL ENGINEER IS TO BE PRESENT DURING CONSTRUCTION OF DAMS. 2. PIPE AND RISER JOIINTS ARE TO BE WATERTIGHT WITHIN STORMWATER MANAGEMENT FACILITIES. 3. FOR TEMPORARY SEDIMENT TRAPS OR BASINS WHICH ARE TO BE CONVERTED TO PERMANENT STORMWATER MANAGEMENT FACILITIES; CONVERSION IS NOT TO TAKE PLACE UNTIL THE SITE IS STABILIZED, AND PERMISSION HAS BEEN OBTAINED FROM THE COUNTY EROSION CONTROL INSPECTOR. TOP OF DAM = 470.00 15" HDPE CULVERT REINFORCED r1nr11r10M_rr: PLASTIC SOLUTIONS, OR EQUAL, TRASH RACK W/ ACCESS HATCH ONE (1) 6" x 12" ORIFICE W/ PLASTIC SOLUTIONS, OR EQUAL, TRASH RACK RISER CREST ELEVATION 467.75 100 YR. STORM PEAK ELEV. 467.99 ONE (1) 13" x 6" ORIFICE @ 10 YR STORM PEAK ELEV. 467.74 ELEV. 466.50 13" 2 YR STORM PEAK ELEV. 467.27 W/ PLASTIC SOLUTIONS, OR EQUAL, TRASH RACK 6" J_ 1_9 -7��t_ , 771 VDOT STD ST -1 ii STEPS, TYP. BIO -FILTER BOTTOM = 465.50 I BIO -FILTER BOTTOM =465.50 15" HDPE INV. OUT 461.00 6" PVC UNDERDRAIN 61V INV. IN 461.10 12" CONCRETE 72" VBASE SECTION BIO -FILTER RISER STUCT. P3 DETAIL NOTES: PLASTIC SOLUTIONS, OR EQUAL, 1. THE NEED FOR ADDITIONAL PERMANENT EROSION PROTECTION FROM EDGE OF PAVEMENT TO THE BOTTOM OF THE TRASH RACK W/ ACCESS HATCH BIORETENTON AREA MUST BE EVALUATED ON AN INDIVIDUAL PROJECT BASIS. 2. PROVIDE V-0" PONDING DEPTH TO THE CREST OF AN OVERFLOW STRUCTURE. AS AN ALTERNATIVE TO THE TRASH RACK, RISER CREST AN OVERFLOW STRUCTURE MAY BE A DROP INLET WITH A BAR GRATE, OR STONE WEIR DISCHARGE TO STABLE ELEVATION 467.75 CHANNEL OR STORM DRAIN. 3. THE DISTANCE BETWEEN CLEAN -OUTS WILL NOT EXCEED 50 FEET. ONE (1) 13" x 6" ORIFICE @ ELEV. 466.50 ...... ... ... W/ PLASTIC SOLUTIONS, OR EQUAL, TRASH RACK CONCRETE BASE 6" PERFORATED SCHEDULE 40 PVC PIPE OR EQUIVALENT @ 1% SECTION SLOPE (MIN) TO DI OR STORM DRAIN PROVIDE ACROSS ENTIRE WIDTH @ 20 ft O.C. BIO -FILTER SECTION & OUTLET W/ INTERNAL WATER STORAGE DETAIL CONCEPTS, P.C. MASTER & SITE PLANNING ENTITLEMENT PROCESSING LANDSCAPE ARCHITECTURE 2046 ROCK QUARRY ROAD LOUISA, VIRGINIA 23093 PH. 434-531-3600 mkellcr@terraconceptspc.COM O�NI,TH OF ITS Alan G. Franklin fic. No. 35326 ''1 IONAL �V,YH OF - Mark L. Keller t7" Cert. No. 0239 (4 P E ARG SCALE: 199=209 SUBMITED: 4-12-13 DRAWN BY: MEK REVISIONS: 1. 7-5-13 SITE REVIEW 2. 11-15-13 SITE REVIEW 3. 5=4-15 BMP OUTFALL CHANGE All rights reserved. No part of the material protected by this copyright (plans, ideas, designs, sections or details expressed on these plans) may be reproduced, changed or utilized in any form or by any means, electronic or mechanical, including photocopying, scanning, or by any other means of retrieval system without written permission from Terra Concepts, P.C. Also, these plans may not be assigned to a third party without first written authorization of Terra Concepts, P.C. @ TERRA CONCEPTS, P.C. I SHEET � 11; ; I _____ 1_- 1; i ; 1 1�� i� I I � � ____ --_1 ___,__1 i , 11 � _ � I_ I— , "i 1 , "U, MS -1 9 , � \ � , I � $ I 11 i I— I I �'� . ..... J- � 1 4 11 I . I ; I I / - 11 " � " / L_ I _ I ,1� - " - 1(_1' i I ; - 1, A I / i 1 I I \ t"'I" . - � ; i If . ____ __ _1 � i. / I . ....... - �-6. i I � f ; / �, , i \ f I . ; 1% � I " I � I � I �, �, , � % , I ,11 , 1, " , " " I i 11 I < '/ > 'I" 11 ` i i I I I C7� i i I , f i ____ -L"y ,,,I 0 I I/ . 1 i r' __ , - ,�11 ,",\", ,1/ / / I -11_1 _ ,r�, \ 0 I I I i I I /I ,� , � I . � I Z 1 1 � I if-.--- t � i , _ � � i . __ i'�-__ 11 !j - I C� I" f I., � � \ - � � "I", " " - !_ I I-- ------- / i I � 1 , , I 1 f ;� .�� ...... I 11- � ` I-— i / � � � � i ! j ! � _ " ! , I "I ; f _-, " I ! / / i . '�,, \ 11 I ��-� - _1 __� \ � �_� I . 1--- /-,I "', I L1_____j ,` I i 11 - 1-1- I F-111111-1 � �', 1-1.1 i Z � ! I I . / , , I - � 1) ------- I , _____ -I 1, ; .1 , ! � i 11 - I I �_, –, i _ f-� / t i I � ", I _-7, - 11") 1 � "I ,.,- , , � � I - -1- � I � I � - - I " � � % 11 � � I I � I I � , It I ; I � � , , ; � \ i -11 11 1, �_, _--c", i F I � 1. , I _1 V / / / /1 � I 1- ; � I 2 I _! '11- I � , I I 11 1; � I r_ � - I I _,__ j I I- , , _ I 11 - ; i /' ;, " - I 'i I 1� \ ; f , � V, i_i ___117 I D.A. = 20.00 Acres , ! i �_ I � I (),I, I _ I I . I ; If ,I I 'I11 I -- / �\ � , I .., __ - - � I I i I , - - i - � , -1 i i I , , , � I � i , - . 1, � , � ! I j, . I - ; I-- �- c I i - ,� i I � - I c = 0.45 (Residential - Lots 12,000 sf) i ! __ �, I \�, � 11, � i - I _ I ; I / 1 ! I ,,� � _11 1. i __ __ \ 11'11..,� 11 - : I I _.�' - - 7 / IF .�k- \ /,i I , _ __ - 11 I 1 1 " , � , ,,, , "� , I � I I 11 I I , I J f j j I I - , �, - il� _` _� \ \ I I ! . � i 11 � I ... I., " \ 11 \ � , � " - 1--_ � I , I I ." - I-- _ .... .. I " I � \ _11 � ; i .1 - i - ,� ... I I " -1, I � C1, I - 1 - ! I � - , - � A - \ I �, , \ " , � i - " " �, i t � � I � , , � - - 'I, - 1"I, � , . ,i f - � ..... -- 11-11 . i I i , ! --1111-7 .1-1; � I Z i I I-, I 11 I I I 11 I It Y I i � ; p I i � f � -1 ,� i I J - _� 1; ,_ I i � � Ii , . I / , I i 1--_ 11� I ; I �, 7 ; � 11 I ; 1 - � I" 11 _ ;I," i 1- ... .... I- \ 11 _. Z � 1� I I - [ I ! I i , � -- _11 I ; � i j � - � -1. k I _--l- � i i ; � -1 � � 11 - , , . , R I , - � " I I __ I I � � i / � � - - - -, 11 1 _ I I I ! i i i , , . 1 �_, I, I � I I _11-1 � I , _11- � I f i If i � �- , _ ! � I i I ; � � I � I t I 1 , / � i I ", � I tic = 17.59 mins. I ,-1 I i I i i E I I � / I � - i - - "" I -1-1- i ... I A ,_ , 11 - i f ��!' \ ", , -; \ \ - " �::� -11- I � ! I I I -1 , - .11 - ! I - -1 . t � � - " i � �, I ,1� I � I . - I 11 - I - ,----,I j li �� / ; I V, i 11 - J� ------ 11 i - i ,�111 I - i, -11. � I 111 i , I 'i , I ... 1-1- "' , i-,-- Q2= 28.63 cfs - ------ I ix i i - � I � .- -11111".- I ")�i ', � - " '. ,; -11, -, I � _--I- � I _ . ... 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VDOT Drainage Kanual (Fig, '1.5.1,1 an Page 1-13E) Notes: 1) Length of overland flowalti,ays — 200 ft 2) Calculate a separate Tc for each ground cover condition along the flo,ovpath — 200.00� Enter Length of Strip (it) Sample "Cr' values., Enter Slope (% or W10011) 0.22 Dense grass 0.36 Enter Rational Method "C" Value 0,28 Average grass 0,36 Pourgrass Re suit Tc (in inutes) 0-48 Bare soil 0.90 Pavement Shallow Concentrated Flow Time Source: SCS Velocity Graph as published in Virginia Erosion and Sediment Control Handbook, _17hird Edition (Plate 5-2 on Page V-12) Notes: 1) Not 10tended for vieff-defined channels - see channul flow calcuk-ition 2) Calculate a separate Tc for each ground cover condition along the floorpath 665.001 Enter Length of Flow (1) . . 9Edq_Enter Slope (% or ftilOO'ft) 2.29 Result Tc (minutes) IF UNPAVED 1,76 Result Tc (minutes) IF PAVED Channel Flow Time Source: Kirpidn, Chart as modified in vDar Drainage Manual (Fig. 1,5.1.2 on Page 1-14, Notes" 1) For -small drainage basins, 1 2) For concrete channels, use 0,2*Tc 8555� Ill Enter Length of Flow (ft) � , �;l 00 Enter Height of most remote point along flo',rt piath abo)�e out,Let 5.42 Result Tc (minutes) Pipe Flow Time Assumes 10 f1h; aetocity in pipe � 0=00 Enter i-ength of Flow in Pipe (ft) 0.00 Result Tc (minutes) County,Rainfall Intensify {Albemarle Return Duration Intensity Period 1. (mins.) I (inlhr)__ 1 2 17,6 12 5 17.6 3,8 10 17.6 4.2 25 17,6 4.8 50 17,13 5,1 100 1T6 5Z intensities derived from NCAA ,Atlas -14 Rainfall Precipitation Frequency Data -,-.,,.,--,---."""Ill""--''I ------- - I -.- - ll 1-1 - --- I 1111__."11.11.__-.. F-yor.11.v Expr, ExtC(11 ltx ""itoCAU,,C:fW ',SUii, ;r008 by,W.dti,_ lw, MS-19 EXISTING CHANNEL 2 -YR Trapezoidal Bottorn VVIdth (ft) = 8.00 Side Slopes (z1 ) = 2.00, 2.00 I'otal Depth (ft) = /2. 0U Invert. Elev (tt) = 461.00 Slope (0/0') = 3,75 N -Value = 0.050 Callcullationis compute by: Known Q Known 0 (cfs) = 28.63 Etev (ft) 4;-4 0D 433. 50 463 01) 4ri,',''. 1-1 j ) 402OD 4C1 F50 Ael-1 01) ('0 ,5u I [) 1:,r,t,:itc:t:.-i11-1"."(:I-tt colimfOIJ, 7 1 , ) ��t tv � 7 / 62 1),/ I J . 1. I ' " 11 F I )c,�A"Jlcl ; G , A _ - Weighted c -factor Worksheet Cover Type I Area I c JRe_s2aritial - Lots 12,060 a', 1 20,00 1 0,45 c -factor = OAS 1 f-doy, Jul 1, 1111 S 12MMMM, Depth (ft) = 0.73 Q (chs) = 28.63 Area (sift) = 6,01 Velocity (ftfis) = 4.15 Wetted Perim (tt) = 11.26 Crit Depth, Ye (ft) = 0.70 Top Width (ft) = 10,92 EGL (ft) = 1,00 1 12 4 (S ` , P.C. MASTER & SITE PLANNING ENTITLEMENT PROCESSING LANDSCAPE ARCHITECTURE 2046 ROCK QUARRY ROAD LOUISA, VIRGINIA 23093 PFI. 434-531-3600 1 mkeller@terraconceptspe.com , 5�XITH op, 7 4 I 10� �, ,\ A * 4- le, & 17 Alan G. Franklin Uc. No. 35326 __ 1� le � 37 1 0 �k7 I NVLa�ssA I Il ONAL '0 k I I NLJH OF 171%\1 . �, 1 7 Mark E. Keller t!7� Cert.. No. 0239 F" � (14 PE NRC, SCALE: 19)=20' SUBMITED: 4-12-13 DRAWN BY: MEM REVISIONS: 1. 7-5=13 SITE REVIEW 1 11-15-13 SITE REVIEW 3. 5-4-15 BMP OUTFALL CHANGE All rights reserved. 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