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WPO201600034 Plan - VSMP WPO VSMP 2016-12-01
C1 7 - - __Ik _.j A& _RAL A107�6:y . OWNER WRIGHT 104, LLC , 707 EAST JEFFERSON STREET CHARLOTTESVILLE, VA 22902 ENGINEER COLLINS ENGINEERING 200 GARRETT STREET, SUITE K CHARLOTTESVILLE, VA 22902 434.293.3719 TAX MAP PARCELS & NUMBER OF POSSIBLE LOTS T.M.P. 89-25 44.87 ACRES + 5 DEV. LOTS �11 T.M.P. 101-2 45.85 ACRES + 0 DEV. LOTS " T.M.P. 101-2A1 45.85 ACRES + 5 DEV. LOTS % T.M.P. 101-2B 5.70 ACRES + 1, DEV. LOT T.M.P. 101-2C 6.49 ACRES + 1. DEV. LOT 148.76± ACRES + 12 DEV. LOTS = 12 DEV. LOTS + 5 (21ACRES) TOTAL POSSIBLE LOTS= 17 LOTS* *LOTS MAY NOT BE FURTHER SUBDIVIDED & THERE SHALL ONLY BE ONE DWELLING PER LOT ACCESS LOTS 1-16 & RURAL PRESERVATION TRAcr A SHALL ONLY HAVE ACCESS VIA GREENLOFT FARM CT. ZONING RURAL AREA (PER COUNTY GIS, THESE LOTS DO NOT LIE IN AN AGRICULTRUAL-FORESTAL DISTRICT) EXISTING CONDITIONS SITE HAS BEEN TIMBERED, EXISTING RIPRAP DITCHES AND DIRTIGRAVEL DRIVEWAYS EXIST ON THE PROPERTY, THE REMAINING PORTION OF THE SITE IS CURRENTLY WOODED. PROPOSED USE 16 SINGLE FAMILY RESIDENTIAL LOTS AREAS SINGLE FAMILY RESIDENTIAL LOTS= 77.40 ac. RURAL PRESERVATION TRACTA= 70.28 ac. SPECIAL LOT (FOR PROPOSED LOW -IMPACT DETENTION FACILITY)= 1.08 ac. BUILDING HEIGHTS 35'MAXIMUM SETBACKS: FRONT - 25' MINIMUM (75' IF ALONG STATE HIGHWAY) SIDE - 25' MINIMUM REAR - 35' MINIMUM SUBDIVISION STREETS PRIVATE ROAD WITH ROADSIDE DITCHES DATUM VIRGINIA SOUTH- SPC GRID TOPOGRAPHY TOPOGRAPHY OF THE SITE WAS PROVIDED BY LOUISA AERIAL SURVEYING IN MARCH OF 2012 AFTER INITIAL MASS GRADING. TOPOGRAPHY OUTSIDE OF THE PROPOSED DEVELOPMENT IS IN ACCORDANCE WITH COUNTY GIS DATA, BOUNDARY BOUNDARY DATA FOR TMP 101, PARCELS 2, 2A1, 2B & 2C, WERE TAKEN FROM RECORDED PLATS PERFORMED BY ROGER W RAY & ASSOCIATES, INC. BOUNDARY'DATA FOR TMP 89, PARCEL 25, WAS TAKEN FROM RECORDED PLATS OF THE ADJACENT PROPERTIES, ROTATED 1-0 GRID NORTH BY ROGER W RAY & ASSOCIATES, INC. BENCHMARK A PERMANENT BENCHMARKIS CURRENTLY BEING STAKED. CRITICAL SLOPES CRITICAL SLOPES EXIST ON THE SUBJECT PROPERTY WHERE SHOWN ON THE PLANS. CRITICAL SLOPES ARE PER COUNTY GIS. BURIAL SITES THERE ARE NO KNOWN GRAVES OR MARKINGS OF A PLACE OF BUFUAL ON THE PROPERTY. WATERSHED TMP 89-25 & 101-2 ARE LOCATED IN THE NORTH FORK HARDWARE RIVER & MOO)RES CREEK WATERSHEDS, TMP 101-2A1, 101-2B & 101-2C ARE LOCATED IN THE NOR1TH FORK HARDWARE RIVER WATERSHED. THESE PARCELS DO NOT EXIST IN A WATER SUPPLY WATERSHED. PER COUNTY GIS, THESE LOTS DO NOT LIE WITHIN A DAM BREAK INUNDATION ZONE. FLOODPLAIN NO FLOODPLAIN EXISTS ON LOTS 1-16 & THE PRESERVATION TRACT A, PER FEMAk MAP #5100060405D, DATED FEBRUARY 4, 2005. STREAM BUFFERS STREAM BUFFERS EXIST WITHIN THE LIMITS OF THE PROJEC.7 AREA. STREAM BUFFERS SHALL ADHERE TO THE REQUIREMENTS OF THE ALBEMARLE COUNTY WATER PROTECTION ORDINANCE. STORMWATER STORMWATER QUALITY COMPLIANCE WILL BE MET THROUGH THE DESIGN OF A LOW -IMPACT DEVELOPMENT & THROUGH THE USE OF PRESERVATION AREAS. 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"-——/' / ----~ /' ''' I- I' �r--~ '/// � / / / / ^y '/ / '/' '/� /( /' / / / ' �'//'////|'/��'/'/'\�\``�. \ >|\/ ' ` 8\\�.\`,\\\``\\`^`� \�\`��\`�`,,�` \ �` �/////////, /'/�//'/Y//////,//,'/~ \ / ( /� / ' // // /'/ / " / / /' / /~'/', \� ` \` - — // � ' ` `� � { ` '/// . - - " - " " - \" — \ � ll � l ,,, , I I 11 . \ \ � ,W , �\ , , , - 11 - - � �, I , I " , //,�_"*___,," ----. __ - - _11: � . , I I � " Ir I t, � I . i / It /I - , I SCALE //'���D�/ � ���° SHEET NO �� = GENERAL NOTES 1. THE OWNER/DEVELOPER OF' THIS PROPERTY IS. WRIGHT 104; LLC 707 EAST JEFFERSON STREET CHARLOTTESVILLE, VA 22902 2, THESE PLANS HAVE BEEN PREPARED By' COLLINS ENGINEERING, INC 200 GARRETT STREET, SUITE K CHARLOTTESVILLE, VA 22902 TELEPHONE: (434) 293-3e19 FACSIMILE: (434) 29J -281J I D BY 3., SOURCE OF TOPO &` SURVEY° TOPOGRAPHY OF 7HE SITE WAS PRONTOE LOUISA AERIAL SURVEYING IN MARCH OF 1012 AFTER INITIAL MASS GRADING. TOPOGRAPHY OUTSIDE OF THE PROPOSED DEVELOPMENT IS IN ACCORDANCE WIN COUNTY GIS DATA. 4,, ZONING: RURAL 5., TAX MAP AND PARCEL NUMBER: 89-25, 101--.2, 101--2A 1, 101-2B & 101-2C 6 USGS DATUM: VIRGINIA SOUTH -SPG' GRID 7. LOCATION/ADDRESS OF PROJECT: DUDLEY MOUNTAIN ROAD 8. PROJECT AREA: 148.76 ACRES 9. SITE PHASING: ALL IN ONE PHASE. 10. PUBLIC UTILITIES. CONNECT TO EXISTING PUBLIC; SEWER AND WATER * COLLINS ENGINEERING SHALL NOT HAVE AUTHORITY OVER CONTRACTORS WORK, SAFETY PRECAUTIONS, SCHEDULES, OR COMPLIANCE WITH LAWS AND REGULATIONS. WE SHALL NOT ASSUME RESPONSIBILITY FOR ANY CONSTRUCTION STARTED PRIOR TO PLAN APPROVAL. EROSION & SEDIMENT CONTROL MEASURES: STRUCTURAL EROSION AND SEDIMENT CONTROL. PRACTICES SHALL. BE IN ACCORDANCE WITH THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK STRUCTURAL PRACTICES USED IN THIS SECT70N CONSIST OF THE FOLLOVWNG: 3.01 SAFETY _FENCE.• A PROTECTIVE BARRIER INSTALLED TO PREVENT ACCESS TO AN EROSION CONTROL MEASURE. TO PROHIBIT THE UNDESIRABLE USE OF AN EROSION CONTROL MEASURE BY THE PUBLIC, APPLICABLE TO ANY CON7ROL MEASURE OR SERIES OF MEASURES WHICH CAN BE CONSIDERED UNSAFE BY VIRTUE OF POTEN77AL ACCESS BY THE PUBLIC. 3.02 GQ_N,S7RUC77GN ENTRANCE.• A STABILIZED PAVED CONSTRUC77ON ENTRANCE WITH A WASH RACK LOCATED AT POINTS OF VEHICULAR INGRESS AND EGRESS ON A CONSTRUCTION SITE. TO REDUCE THE AMOUNT OF MUD TRANSPORTED ONTO PAVED PUBLIC ROADS BY MOTOR VEHICLES OR RUNOFF CONSTRUCTION ENTRANCES SHALL BE INSTALLED AS SHOWN ON THE PLANS TO REDUCE THE AMOUNT SEDIMENT TRANSPORTED ONTO PUBLIC ROAD WA YS. 3.05 SILT FENCE,° A TEMPORARY SEDIMENT BARRIER CONSISTING OF A SYNTHETIC FILTER FABRIC STRETCHED ACROSS AND ATTACHED TO SUPPORTING POSTS AND ENTRENCHED, TO INTERCEPT AND DETAIN SMALL AMOUNTS OF' SEDIMENT FROM DISTURBED AREAS DURING CONSTRUC77ON OPERATIONS IN ORDER TO PREVENT SEDIMENT FROM LEAVING THE SITE AND TO DECREASE THE VELOCITY OF SHEET FLOWS AND LOW -TO -MODERATE LEVEL CHANNEL FLOWS: THE SILT FENCE BARRIERS SHALL BE INSTALLED DOWN SLOPE OF AREAS W177.1 MINIMAL GRADES TO FILTER SEDIMENT LADEN RUNOFF FROM SHEET FLOW AS INDICATED. THEY SHALL. BE INSPECTED IMMEDIATELY AFTER EACH RAINFALL AND MAINTAINED IN ACCORDANCE VWTH THE VIRGINIA EROSION & SEDIMENT CONTROL HANDBOOK (VESCH). 3.07 STORM DRAIN INLET PROTECTION: A SEDIMENT FILTER OR AN EXCAVATED IMPOUNDING AREA AROUND A STORM DRAIN DROP INLET OR CURB INLET: TO PREVENT SEDIMENT FROM ENTERING STORM DRAINAGE- SYSTEMS PRIOR TO PERMANENT STABIUZA77ON OF THE DISTURBED AREA. INLET PR07EC7701V APPLIES WHERE STORM DRAIN INLETS ARL' TO BE MADE OPERA 77ONAL BEFORE PERMANENT STABILIZATION OF THE CORRESPONDING DISTURBED DRAINAGE AREA, 3.09 TEMPORARY DIVERSION DIKE: A TEMPORARY RIDGE OF COMPACTED SOIL CONSTRUCTED AT THE TOP' OR BASE OF A SLOPING DIS7URBED AREA TO DIVERT STORM RUNOFF FROM UPSLOPE DRAINAGE' AREAS AWAY FROM UNPROTE"CTE"D DISTURBED AREAS AND SLOPES TO A STABILIZED OUTLET, TO DIVERT SEDIMENT -LADEN RUNOFF FROM A DISTURBED AREA TO A SEDIMENT --TRAPPING FACILITY SUCH AS A SEDIMENT TRAP OR SEDIMENT BASIN. USE WHEREVER STORMWATER RUNOFF MUST BE TEMPORARILY DIVERTED TO PROTECT' DIS77JRBED AREAS AND SLOPES OR RETAIN .SEDIMENT ON SITE DURING; CONSTRUCTION. THESE STRUCTURES GENERALLY HAVE A LIFE EXPECTANCY OF" 18 MONTHS OR LESS WHICH CAN BE PROLONGLED WITH PROPER MAINTENANCE. J. 14 TEMPORARY SEDIMENT BASIN: A TEMPORARY BARRIER OR DAM WITH A CONTROLLED STORMWATER RELEASE STRUCTURE FORMED BY CONSTRUCTING AN EMBANKMENT OF COMPACTED ;SOIL ACROSS A DRAINAGEWAY TO DETAIL SEDIMENT -LADEN RUNOFF FROM DISTURBED AREAS /N "WET'" AND `DRY" STORAGE LONG ENOUGH FOR 714E MAJORITY OF THE SEDIMENT TO SETTLE OUT. APPLIES BELOW D1.37URBED AREAS WHERE THE TOTAL CONTRIBUTING DRAINAGE AREA IS EQUAL TO OR GREATER THAN THREE ACRES. THERE MUST BE SUFFICIENT SPACE AND APPROPRIATE TOPOGRAPHY FOR THE CONSTRUCTION OF A TEMPORARY IMPOUNDMENT. 3.15 7EMPORARY SLOPE DRAIN: A FLEXIBLE TUBING OR CONDUIT EXTENDING FROM THE TOP OF THE' SLOPE TO THE BASE, TO 7EMPORARILY CONDUCT CONCENTRATED STORMWATER RUNOFF SAFELY DOWN THE FACE OF THE HILL WITHOUT CAUSING EROSION ON OR BELOW THE SLOPE: 7HE" PROPOSED USE- IS TO LIMIT EROSION & DIRECT DIVERTED RUNOFF INTO A SEDIMENT BASIN 3.18 OUTLET PROTEC770N: STRUCTURALLY LINED APRONS OR OTHER ACCEPTABLE ENERGY DISSIPATING DEWCES PLACED AT THE OUTLETS OF PIPES' OR PAVED CHANNEL SECTIONS TO PREVENT SCOUR AT STORMWATER OUTLETS TO PR07ECT THE OUTLET STRUCTURE, AND TO MINIMIZE. THE POTENTIAL FOR DOWNSTREAM EROSION BY REDUCING THE VELOCITY AND ENERGY OF CONCENTRATED STORMWATER FLOWS. APPLICABLE TO THE OUTLETS OF ALL PIPES AND ENGINEERED CHANNEL. SECTIONS 3.19 RIPRAP: A PERMANENT, EROSION -RESISTANT GROUND COVER OF LARGE, LOOSE, ANGULAR STONE WI7H FILTER FABRIC OR GRANULAR UNDERLINING. TO PROTECT THE" SOIL_ FROM THE EROSIVE FORCES OF CONCENTRATED RUNOFF; SLOW THE VELOCITY OF CONCENTRATED RUNOFF WHILE ENHANCING THE POTENTIAL FOR INRL7RATION, AND TO STABILIZE SLOPES WWTH SEEPAGE PROBLEMS, AND/OR NON -COHESIVE SOILS USE WHEREVER SOIL AND WA7ER INTERFACE AND THE .SOIL CON0177ONS, WATER TURBULENCE AND VELOCITY, EXPECTED VEGETATIVE COVER, ETC., ARE SUCH THAT THE SOIL MAY ERODE= UNDER THE DESIGN FLOW CON0177ONS 3.31 TEMPORARY .SEEDING' THE ES'ABLISHMENT OF A TEMPORARY VEGETATIVE COVER ON DISTURBED AREAS BY SEEDING WITH APPROPRIATE RAPIDLY GROWWNG ANNUAL PLANTS. TO REDUCE EROSION AND SEDIMENTA77ON BY STABILIZING DISTURBED AREAS THAT WILL NOT BE' BROUGHT" TO FINAL GRADE FOR A PERIOD OF MORE THAN 30 DAYS. TO REDUCE DAMAGE FROM SEDIMENT AND RUNOFF TO DOWNSTREAM OR OFF-SITE AREAS, AND TO PROVIDE PR07ECTION TO BARE SOILS EXPOSED DURING CONSTRUC77ON UN77L PERMANENT VEGETATION OR OTHER EROSION CONTROL MEASURES CAN BE ESTABLISHED. J.J2 PERMANT .STABILIZATION: THE ESTABLISHMENT OF PERENNIAL VEGETATIVE COVER ON DISTURBED AREAS BY PLANTING SEED. TO REDUCE EROSION ,AND DECREASE SEDIMENT YIELD FROM DISTURBED AREAS TO PERMANENTLY STABILIZE DISTURBED AREAS IN A MANNER THAT IS ECONOMICAL, ADAPTABLE TO ,SITE CONDITIONS, AND ALLOWS SELEC77ON OF THE" MOST APPROPRIATE PLANT MATERIALS. TO IMPROVE:' WILDLIFE HABITAT. TO ENHANCE NATURAL BEAUTY. UPON COMPLETION OF' CONSTRUCTION ACTIVITIES, ALL AREAS WILL RECEIVE A PERMANENT VEGETATIVE COVER. 3.38 7REE PRESERVATION AND PROTECTION: PR07EC77ON OF DESIRABLE TREES FROM MECHANICAL OR OTHER INJURY DURING LAND DISTURBING AND CONSTRUCTION AC77VITY. TO ENSURE THE SURVIVAL OF DESIRABLE' TREES WHERE THEY WILL BE EFFECTIVE FOR EROSION AND SEDIMENT CONTROL, WATERSHED PROM, -TION, LANDSCAPE BEAURF-ICARON DUST AND POLLUTION CONTROL, NOISE REDUCTION, SHADE AND OTHER ENVIRONMENTAL BENEFITS WHILE. - THE LAND IS BEING CONVERTED FROM FOREST' TO URBAN -TYPE USES. APPLIES IN TREE -INHABITED AREAS SUBJECT TO LAND DISTURBING ACTIVITIES. 3.39 DUST C0N7ROL_. REDUCING SURFACE AND AIR MOVEMENT OF DUST DURING LAND DISTURBING, DF-MOL177ON AND CONSTRUC77ON ACTIVITIES. TO PREVENT SURFACE AND AIR MOVEMENT OF DUST FROM EXPOSED SOIL SURFACES AND REDUCE THE PRESENCE OF AIRBORNE SUBSTANCES WHICH MAY PRESENT HEALTH HAZARDS 7RAFFIC SAFETY PROBLEMS OR HARM ANIMAL OR PLANT LIFE. DUST CONTROL MEASURES SHALL BE EMPLOYED TO PREVENT SURFACE AND AIR MOVEMENT OF DUST DURING CONSTRUCRON. P ACCORDANCE WW T H THE VESCH. MEASURES EMPLOYED SHALL BE IN SOIL D.,i1S'CRIPTION 13D-CATOCTIN VERY STONY SILT LOAM -75 TO 259 SLOPES. SOIL IS MODERATELY DEEP, WELL DRAINED WITH MODERATELY RAPID PERMEABILITY. SURFACE LAYER IS BROWN SILT LOAM ABOUT 7" THICK, UPPER SUBSOIL LAYER TO ABOUT A DEPTH OF 22" THICK AND IS A STRONG BROWN SILT LOAM; LOWER PART OF SUBSOIL TO A DEPTH OF ABOUT 28" IS BROWN AND YELLOWISH RED SILT LOAM. 13E-CATOCTIN VERY STONY SILT LOAM -25 TO 459 SLOPES SOIL IS MODERATELY DEEP, WELL DRAINED WITH MODERATELY RAPID PERMEABILITY. SURFACE LAYER IS BROWN SILT LOAM ABOUT 7" 7 ]HICK,• UPPER SUBSOIL LAYER TO ABOUT A DEPTH OF 22" THICK AND IS A STRONG BROWN SILT LOAM; LOWER PART OF SUBSOIL TO A DEPTH OF ABOUT 28" IS BROWN AND YELLOWISH RED SILT LOAM. 27D-CULPEPER FINE SANDY LOAM -15 TO 259 SLOPES. SOI!_ IS WELL DRAINED, WITH MORE THAN 80 INCHES TO THE WATER TABLE MADE FROM RESIDUUM WEA IN EED FROM META - RI OSIC SANDSTONE AND QUARTZ/TE THIS SOIL HAS CONVEX DOWN-SLOPE AND CONVEX ACROSS -SLOPE SHAPE. NO FREQUENCY OF PONDING OR FLOODING, AND VERY LOW TO HIGH KSAT. 298-FAU UIER SILT LOAM -2 TO 7%SLOPES. SOIL IS WELL DRAINED, WITH MORE "THA!\! 80 INCHES TO THE WATER TABLE. MADE FROM WEATHERED GREENSTONE THIS SOIL HAS CONVEX DOWN-SLOPE SLOPE AND CONVEX ACROSS -SLOPE 5L0 E SHAPE NO FREQUENCY OF PONDING OR TCAPACITY Q LOOUII`lG HIGH WATER AND VERY LOW 70 HIGH KSAT. 29C-FAU UIER SIL - -I Q T LOAM -7 TO 159 SLOPES. SOIL IS WL_L DRAINED WITH M01?E THAN 80 INCHES TO THE - " WATER TABLE, MADE FROM WEATHERED GREENSTONE, 7H1.> SOIL HAS CONVEX DOWN --SLOPE AND ,• CONVEX ACROSS --SLOPE SHAPE. NO FREQUENCY OF PONDING OR FLOODING, HIGH WATER CAPACITY, AND VERY LOW 70 HIGH KSAT. 29D-FAUQUIER SILT LOAM -15 TO 25X SLOPES. SOIL. IS VVELL DRAINED, WITH MORE THAN 80 INCHES TO THE WATER TABLE. MADE FROM WEATHERED GREENSTONE, THIS SOIL HAS CONVEX DOWN --SLOPE AND CONVEX ACROSS --SLOPE SHAPE. NO FREQUENCY OF PONDING OR FLOODING, HIGH WATER CAPACITY, AND VERY LOW 70 HIGH KSAT. .EROSION CONTROL NOTES ES -1: UNLESS OTHERWISE INDICATED, ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT CONTROL PRAC77CES WILL BE CONSTRUCTED AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE V;7RGlN/A EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA REGULATIONS VR 625-02-00 EROSION AND SEDIMENT CONTROL REGULATIONS ES -2: THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO THE PRE -CONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT OF LAND DISTURBING ACTIVITY, AND ONE WEEK PRIOR TO THE FINAL INSPECTION. ES -j. ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR' AS THE FIRST STEP IN CLEARING. ES -4:A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE MAtINTAINED ON THE SITE AT ALL 77MES ES-5:PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICAII7ED ON THESE PLANS (INCLUDING BUT NOT LIMITED TO, OFF-SITE BORROW OR WASTE AREAS), THE CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN TO THE OWNER FOR REVIEW AND APPROVAL BY THE PLAN APPROVING AUTHORITY. ES -6: THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS DETERMINED BY 7HE PLAN APPROVING AUTHORITY. ES -7. -ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL 77MES DURING LAND DISTURBING ACTIVITIES AND DURING SITE DEVELOPMENT UNTIL FINAL STABILIZA 77ON IS ACHIEVED. ES -8. -DURING DEWATERING OPERA TIONS WATER WILL BE PUMPED INTO AN APPROVED WATER FILTERING DEVICE. ES -9: THE CION7RACT0R SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY AND AFTER EACH RUNOFF -PRODUCING RAINFALL EVENT. ANY IWECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THIS EROSION CONTROL DEVICES SHALL BE MADE IMMEDIA TEL Y. EROS10N CONTROL NOTES 1. THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO THE PRE-CONS7TRUCRON CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT OF LAND DISTURBING' ACTIVITY, AND ONE WEEK PRIOR TO THE FINAL INSPECTION. 2. ALL. EROSION AND SEDIMENT CON7ROL MEASURES WILL BE CONSTRUCTED AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA REGULATIONS VR 625-02-00 EROSION AND SEDIMENT CONTROL REGULATIONS. 3, ALL EROSION AND SEDIMENT CON7R0L MEASURES ARE TO BE PLACED PRIOR TO OR AS THE FIRST STEP IN CLEARING. 4. A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE MAINTAINED! ON THE S17E AT ALL TIMES. 5. PRIOR TO COMMENCING LAND DISTURBING AC77077ES IN AREAS OTHER THAN INDICATED ON THESE FLANS (INCLUDING, BUT NOT LIMITED TO, OFF-SITE BORROW OR WASTE AREAS), THIS CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN TO THE OWNER FOR REVIEW AND APPROVAL BY THE PLAN APPROVING AUTHORITY. 6. THE CONTRACTOR IS RESPONSIBLE FOR INSTALLA7ON OF ANY ADD177ONAL EROSION CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS DETERMINED BY THE PLAN APPROVING AUTHORITY. 7. ALL DISTUR,`BED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL 77MES TOURING LAND DISTURBING AC770TIES AND DURING SITE DEVELOPMENT UNTIL FINAL STABILIZATION IS ACHIEVED. B. DURING DEVNATERING OPERATIONS, WATER MLL BE PUMPED INTO AN APPROVED FILTERING DEVICE 9. THE CON7RAACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY AND AFTER EACIN RUNOFF PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EFFEC71VENESS OF THE EROSION CONTROL DEVICES SHALL BE MADE IMMEL91A TEL Y. 10, ALL FILL MATERIAL TO BE TAKEN FROM AN APPROVED, DESIGNATED BORROW AREA. 11. ALL. WASTE MATERIALS SHALL BE TAKEN TO AN APPROVED WASTE AREA. EARTH FILL SHALL BE IINERT MA7E'RIALS ONLY, FREE OF ROOTS, STUMPS, WOOD, RUBBISH, AND 0774ER DEBRIS. 12. BORROW OR WASTE AREAS ARE TO BE RECLAIMED WITHIN 7 DAYS OF COMPLE77ON PER ZONING ORDINANCE SEC17ON 5.1.28. 13. ALL INERT MATERIALS SHALL BE TRANSPORTED IN COMPLIANCE WITH SEC77ON 13-301 OF 7HE CODE OF ALBEMARLE. 14. BORROW, FILL OR WASTE AC770TY INVOLVING INDUSTRIAL -TYPE POWER EQUIPMENT SHALL BE LIMITED TO THE HOURS OF 7.• OOAM TO 9: OOPM. 15, BORROW, RILL OR WASTE AC77WTY SHALL BE CONDUCTED IN A SAFE MANNER THAN MAINTAINS ILA TERAL SUPPORT, OR ORDER TO MINIMIZE ANY HAZARD TO PERSONS, PHYSICAL DAMAGE TO ADJACENT LAND AND IMPROVEMENTS, AND DAMAGE TO ANY PUBLIC STRIEET BECAJSE 0 SLIDES, SINKING, OR COLLAPSE. 16. THE DEVELOPER SHALL RESERVE THE RIGHT TO INSTALL, MAINTAIN, REMOVE OR CONVERT TO PERMANENT STORMWA7ER MANAGEMENT FACILITIES WHERE APPLICABLE ALL EROSION CONTROL MEASURES REQUIRED BY THIS PLAN REGARDLESS OF THE SALE OF ANY LOT, BUILD OT POR77ON OF THE PROPERTY UNIT BUILDING OR ER H ROP TY. 17. "TEMPORARY STABILIZATION SHALL BE TEMPORARY SEEDING AND MULCHING SEEDING IS TO BE AT 75 L.BS/ACRE, AND IN THE MONTHS OF SEPTEMBER TO FEBRUARY TO CONSIST A 501,50 MIX OF ANNUAL RYEGRASS AND CEREAL WINTER RYE, OR IN MARCH AND APRIL, TO CONSIST OF- ANNUAL RYE, OR MAY THROUGH AUGUST TO CONSIST OF GERMAN MILLET. STRAW MULCH IS TO BE APPLIED AT 80LBS1100SF ALT;ERNA77VES ARE SUBJECT TO APPROVED BY THE COUNTY EROSION CONTROL INSPECTOR. 18. PERMANENT STABILIZATION SHALL BE LIME AND FERTILIZER, PERMANENT SEEDING, AND MULCH. AGA?1CUL7URAL GRADE LIMESTONE SHALL BE APPLIED AT 90LBS11000SF, INCORPORATTED INTO 774E TOP 4-6 INCHES OF SOIL. FER77LIZER SHALL BE APPLIED AT' 1000LBS/AC;RE AND CONSIST OF A 10-20-10 NUTRIENT MIX. PERMANENT SEEDING SHALL BE APPLIED' AT 180LBS/ACRE AND CONSIST OF 959 KENTUCKY 31 OR TALL FESCUE AND 0-59 PEREINNIAL RYEGRASS OR KENTUCKY BLUEGRASS. STRAW MULCH IS TO BE APPLIED AT 8OLBS/POOSF. ALTERNATIVES ARE SUBJECT TO APPROVED BY THE COUNTY EROSION CONTROL INSPECTOR, 19. MAINTENANCE. • ALL MEASURES ARE TO BE INSPECTED WEEKLY AND AFTER EACH RAINFALL. ANY DAMAGE OR CLOGGING TO STRUCTURAL MEASURES IS TO BE REPAIR IMMEEDIATEL)Y. SILT TRAPS ARE TO BE CLEANED WHEN 509 OF THE WET STORAGE VOLUME IS FILLED WITH SEDIMENT. ALL SEEDED AREAS ARE TO BE RESEEDED WHEN NECESSARY TO ACHIEVE' A GOOD STAND OF GRASS SILT FENCE AND DIVERSION DYKES WHICH ARE COLLECTING SEDIMENT TO HALF THEIR HEIGHT MUST BE CLEANED AND REPAIRED IMMEDIA TEL )Y. 20. ALL TEMPORARY EROSION AND SEDIMENT CON7ROL MEASURES ARE TO BE REMOVED THIN 30 D) S OF FINALS T B WI AY I TE S A ILIZA770 WHEN ARE N MEASURES ENO LONGER NGE NEEDED, EL ED SUBJECT TO) APPROVAL BY THE COUNTY EROSION CONTROL INSPECTOR. 21. THIS PLAN SHALL BE VOID IF THE OWNER DOES NOT OBTAIN A PERMIT WITHIN 1 YEAR OF E DA 7E O) APPROVAL. W 714 F APP A TER PROTECT! D D - ( ON ORDINANCE SECTION 77 204G. ) 22. PERMANENT' VEGETATION SHALL BE INSTALLED ON ALL DENUDED AREAS WITHIN NINE (9) MONTHS AFTER THE DATE THE LAND DISTURBING AC77VITY COMMENCED. (WATER PROTECTION( ORDINANCE SECTION 17-207B) FOIL DESCRIPTION cora. 29E.=-FAUQUIER SILT LOAM -25 TO 459 SLOPES. SOIL IS WELL DRAINED, WITH MORE THAN 80 INCHES TO THE WATER ]ABLE. hWADE FROM WEATHERED GREENSTONE, THIS SOIL HAS CONVEX DOWN --SLOPE AND CONVEX ACROSS --SLOPE SHAPE, NO FREQUENCY OF PONDING OR FLOODING, HIGH WATER CAPACITY, AND VERY LOW 7TO HIGH KSA T. 31C--FAUQU1ER VERY .STONY SILT LOAM-7 7 TO 159 SLOPES. SOIL IS WELL DRAINED, WITH MORE THAN 80 INCHES TO THE PWA TER TABLE: MADE FROM WEATHERED GREENSTONE, THIS SOIL HAS CONVEX DOWN-SLOPE ANBD CONVEX ACROSS -SLOPE SHAPE. NO FREQUENCY OF PONDING OR FLOODING, HIGH WATER CAPACITY„ AND VERY LOW TO HIGH KSAT 328--FLUVANNA SILT LLOAM-2 TO 7%' SLOPES SOIL IS VERY DEEP, WELL DRAINED, AND MODERATELY SLOW PERMEABILITY. SLURFACE LAYER IS A DARK GRAYISH BROWN OR YELLOWISH BROWN FINE SANDY LOAM ABOUT 5" THICK;,- SUBSOIL LAYER TO A DEPTH OF 55" IS BROWN OR YELLOWISH RED CLAY,• SUBSTRATUM LAWER IS ABOUT 20" THICK CONSISTS OF BROWNISH YELLOW, YELLOWISH RED, AND DARK RED 511-1Y CLAY LOAM. 33C--FLUVANNA VERY STONY SILT LOAM -7 TO 159 SLOPES SOIL /S VERY DEEP, WELL DRAINED, AND MODERATELY SLOW PERMEABILITY. SURFACE LAYER IS A DARK GRAYISH BROWN OR YELLOWISH BROWN FINE SANDY LOAAM ABOUT 5" THICK; SUBSOIL LAYER TO A DEPTH OF 55" IS BROWN OR YELLOWISH LAY SUBS AYE RED C TRATUM LAYER ABOUT 20 THICK CONSISTS OF BROWNISH YELLOW, YELLOWISH REL), AND DARK RED SILTY CLAY LOAM. 39E -HAZEL LOAM -25 TO 457. SLOPES SOIL IS EXCESSIVELY DRAINED, WITH MORE THAN 80 INCHES TO THE WATER TABLE. WADE FROM RESIDUUM WEATHERED GRA YWACKE SANDSTONE AND MICA SCHIST, THIS SOIL HAS CONVE)X DOWN-SLOPE AND CONVEX ACROSS - SLOPE SHAPE. NO FREQUENCY OF PONDING OR TNG AND AMO R TEL Y HIGH O H FLOOD DEA T HIGH KSAT. 4OD--HAZEL VERY STONY LOAM -15 TO 257. SLOPES SOIL 1S EXCESSIVELY DRAINED, WITH MORE THAN 80 STO THE! T !HORS WATER ABLE. MADE FROM RES KE SAND RESIDUUM WEATHERED GRAYWAC STONEA ND MlC.4 SCHIST THIS SOIL HAS CONVEX DOWN-SLOPEAND CONVEX ACROSS - SLOPE SHAPE. NO FREQUENCY PONDING OR L G OF P FLOODIN AND MODERATELY HIGH TO HIGH SA . K T 4OE--HAZEL VERY STOANY LOAM -25 TO 459 SLOPES. SOIL IS EXCESSIVELY DRAINED, WITH MORE THAN 80 INCHES TO THE MATER TABLE. MADE FROM RESIDUUM WEATHERED GRAYWACKE SANDSTONE AND MICA SCHIST, THIS SOILL HAS CONVEX DOWN-SLOPE AND CONVEX ACROSS -SLOPE SHAPE. NO FREQUENCY OF PONDING OR IFLOODING, AND MODERATELY HIGH TO HIGH KSAT. 480--LOUISBURG VERY' STONY SANDY LOAM -15 TO 259 SLOPES. 63B --ORANGE .SILT LOA4M-2 TO 79 SLOPES SOIL IS WELL DRAINED, WITH 12 TO 36 IN. DEPTH TO THE WATER 7ABLE. MIADE FROM RESIDUUM WEA77-IERED FROM HORNBLENDE GNEISS, THIS SOIL HAS CONVEX DOWN AND ACRO9SS-SLOPE SHAPE THIS SOIL HAS NO FREQUENCY OF PONDING OR FLOODING AND A VERY LOW KSAT !WITH MODERATE WATER CAPACITY. 64B --ORANGE VERY STLONY SILT LOAM -2 TO 77. SLOPES SOIL IS DEEP, POORLY TO MODERATELY WELL DRAINED, AND SLOW PERMEABILITY. SURFACE LAYER IS A DARK GRAYISH BROWN LOAM ABOUT 8" THICK SUBSOIL L,.AYER TO A DEPTH OF ABOUT 25" CONSISTS OF YELLOWISH BROWN OR LIGHT OLIVE BROWN CLAY,• SUBSTRATUM LAYER IS ABOUT 10" THICK OF OLIVE SANDY CLAY LOAM. 93C --WA 77 CHANNERY SILT LOAM -7 TO 159 SLOPES SOILS ARE MODERATELY DEEP, SOMEWHAT EXCESSIVELY DRAINED W17H MODERATELY Y RAPID PERMEABILITY SURFACE LAYER IS BLACK AND DARK GRAY CHANNERY OIL LAYS OLIVE ItVNERY SILT LOAM ABOUT 10" THICK; SUBS R TOA DEPTH OF ABOUT 12" CONSISTS OF OLAVE GRAY CHANNERY SILT LOAM; SUBSTRATUM LAYER IS ABOUT 14" THICK OF BLACK STREAKED WITH CJLIVE GRAY AND OLIVE YELLOW CHANNERY SILT LOAM. 93 -- T CHANNERY EP OMEW T D WA „IIT LOAM -15 TO 259 SLOPES. SOILS ARE MODERATELY DE S NA SSIVFLY IS B DAR EXCE URA SURFACE LAYER LACK AND K !INFO Wl7H MODF_RAT RAPID PERMEABlL17Y TEL Y OLIVE GRAY CHAMNERY SILT LOAM ABOUT 10" THICK, • SUBSOIL LAYER TO A DEPTH OF ABOUT 12" CONSISTS OF OLIWE GRAY CHANNERY SILT LOAM; SUBSTRATUM LAYER IS ABOUT 14" THICK OF BLACK STREAKED WITH OLIVE GRAY AND OLIVE YELLOW CHANNERY SILT LOAM. CONTROL ROL .t11.G ACJ URLi S EROSION AND SEDIMENT CONTROL MEASURES - IT IS ANTICIPATED THAT A CONSTRUCTION EN7RANCE, TEMPORARY DIVERSION BERMS, RIGHT OF WAY DIVERSION, TWO SEDIMENT BASINS, OUTLET PROTECTION, INLET PROTECTION, SILT FENCE AND FOUR SEDIMENT TRAPS WILL BE INSTALLED TO CONTROL SURFACE DRAINAGE. TEMPORARY SEEDING WILL BE USED IMMEDIATELY FOLLOWING ALL LAND DISTURBANCE ACTIVITIES. TEMPORARY STOCKPILE AREAS WILL BE MAINTAINED FROM TOPSOIL THAT WILL BE STRIPPED FROM AREAS TO BE GRADED AND STORED IFOR LATER SPREADING. STOCKPILE LOCATIONS SHALL BE ON SITE AND SHALL ;BE STABILIZED WITH A TEMPORARY VEGETATIVE COVER. PERMANENT SEEDING VMLL BE PERFORMED FOR ALL AREAS WHICH WILL NO LONGER BE EXCAVATED AND WHERE CONSTRUCTION ACTIVITIES HAVE CEASED. PERMANENT SEEDING SHALL ALSO BE PERFORMED FOR ALL DENUDED AREAS WHICH WILL BE LEFT DORNIANT FOR A YEAR OR MORE. SELECTION OF SEED MIXTURE WILL DEPEND ON THE 77ME OF YEAR APPLIED. TEMPORARY SEEDING WILL BE PERFORMED FOR ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR MORE THAN 14 DAYS. THESE AREAS SHALL BE SEEDED WITH FAST GERM/NA TING VEGETA TION IMMEDIIA TEL Y FOLLOWING GRADING OF THOSE AREAS. SELECTION OF SEED MIXTURE WILL DEPEND ON THE TIME OF YEAR APPLIED. 3.01 SAFETY FENCE - SAFETY FENCE WILL BE INSTALLED AROUND THE PROPOSED SEDIMENT BASIN. 3.02 CONSTRUC77ON ENTRANCE - ONE CONSTRUCTION ENTRANCE SHALL BE INSTALLED AT DUDLEY MOUNTAIN ROAD. THIS WILL BE THE ONLY POINT OF INGRESS AND EGRESS TO THE SITE. CARE WILL BE TAKEN TO PROTECT ADJACENT ROADWAYS FROM TRANSFER OF SEDIMENT: 3.05 SILT FENCE- SILT FENCE WILL BE PLACED ON THE DOWNSTREAM SIDE OF DISTURBANCE WHERE N07ED ON THE PLANS. 3.07 STORM DRAIN INLET PROTECTION- IP WILL BE INSTALLED ON EACH PROPOSED INLET AS SHOWN ON THE PLANS. 3.09 TEMPORARY DIVERSION DIKE- DIVERSION DIKES WILL BE USED AROUND THE PERIMETER OF SITE DISTURBANCE WHERE SHOWN ON 7HE PLANS TO DIRECT RUNOFF TO ON-SITE SEDIMENT CONTROL FACILITIES. 3.14 TEMPORARY SEDIMENT BASIN- TEMPOR'ARY SEDIMENT BASINS WILL BE INSTALLED WHERE SHOWN ON THE PLANS. 3.15 TEMPORARY SLOPE DRAIN- A TEMPORARY SLOPE DRAIN WILL BE INSTALLED AT THE END OF TWO DIVERSIONS, WHICH ARE LOCATED UPLAND OF A STEEP SLOPE THAT IS NOT PROPOSED TO BE DISTURBED. THE TSD WILL OUTFALL INTO A SEDIMENT BASIN. 3.18 OUTLET PROTECTION- TO BE PROVIDED) AT THE OUTFALL OF DRAINAGE PIPES WHERE SHOWN ON PLANS. 3.19 RIPRAP- RIPRAP SHALL BE INSTALLED AS OUTLET PROTEC77ON WHERE SHOWN ON THE PLANS 3.31 TEMPORARY SEEDING- TEMPORARY SEEDING SHALL BE APPLIED WHERE SHOWN ON THE PLANS. 3.32 PERMANENT SEEDING- PERMANENTLY SEEDING SHALL BE APPLIED WHERE SHOWN ON THE PLANS 3.38 TREE PRESERVA77ON AND PROTECTION- TREE PRESERVATION FENCING SHALL BE INSTALLED WHERE SHOWN ON THE PLANS. NO TREES SHALL BE HARMED OUTSIDE OF THE LIMITS OF TREE PROTECTION FENCING. 3.39 DUST CONTROL- DUST CONTROL SHALL BE APPLIED THROUGHOUT THE SITE WHERE SHOWN ON THE PLANS. STORMWATER MANAGEMENT: STORMWATER RUNOFF QUANTITY WILL BE TREATED WITH TWO DETEN77ON BASINS. SEE STORMWA TER MANAGEMENT PLAN SHEETS FOR DETAILS. MAIN NCE: IN GENERAL, DURING CONSTRUC77ON THE RLD OR CONTRACTOR ON-SITE WILL CHECK ALL EROSION AND SEDIMENT CONTROL MEASURES DAILY AND AFTER EACH SIGNIFICANT RAINFALL. MONITORING REPORTS WILL BE REQUIRED FROM THE RLD IF NEEDED. SPECIFIC ATTEN77ON WILL BE GIVEW TO THE FOLLOWING ITEMS: a. SEDIMENT BASINS WILL BE CLEANED ANLL MAINTAINED IN ACCORDANCE WITH 7HE VIRGINIA EROSION & SEDIMENT CONTROL HANDBOOK. 6. ALL INLET PROTECTION AND GRAVEL OU TLETS WILL BE CHECKED REGULARL Y FOR SEDIMENT BUILDUP THAT WILL PREVENT PROPER DRAINAGE. IF THE GRAVEL IS CLOGGED BY SEDIMENT, THE GRAVEL WILL BE REMOVED AND CLEANED, OR IT WILL BE REPLACED. c. ALL SILT FENCE BARRIERS WILL BE CHECKED REGULARLY FOR UNDERMINING OR DETERIORATION OF THE FABRIC AND REPAIRED AS REQUIRED. SEDIMENT SHALL BE REMOVED WHEN THE LEVEL OF SEDIMIENT DEPOSITION REACHED HALF WAY TO 7HE TOP OF THE BARRIER. d. ALL SEEDED AREAS WILL BE CHECKED RIEGULARLY TO SEE THAT A GOOD STAND IS MAINTAINED. AREAS SHOULD BE FERTILIZED AND RESEEDED AS NEEDED. IN CASE OF EMERGENCY, THE PRIMARY CONTACT FOR THE PROJECT WILL BE THE RLD OR CON7RACTOR ON-SITE. THE CONTRACTOR WILL BE DETERMINED AT THE 77ME THE CONTRACT IS AWARDED. IN ADDITION THE DEVELOPER MAY BE CONTACTED. UPON COMPLETION OF THE PROJECT, THE OWNER WILL BE RESPONSIBLE FOR S17E MAINTENANCE. 1. SET POSTS AND EXCA VA TE A 4 "X4 " TRENCH UPSLOPE ALONG THE LINE OF POSTS - - -moi - I% FLOW SF ALBEMARLE COUNTY -7 'NCING CONSTRUCTION ENTRANCE I -wm . � ; 10 1, j\ 70' YIN. OR' N .�• i U E I -��.� : I - u� _ SNOW FENCE i�I s 0-2A rdawa IMP coupe . ■> ! 1 -2n -w-1 A. -M 0 1 � L ' 21A DrWSIRE EkEVATI()N E ASTM AGGREOATE BASE c;RourlD 70' MIN. r+w ; , rat r- Ex. CURET OR Asrtvu PAM tasnaac - EDGE OF PAwT I { 12- IMI, l5 _2% 2X_ Dauy DIVERSION DITCHAsEmmm T *M0 on= -Ufa , 'I �' DEM StN4TER7 l j �I r° y it M"ATION IS 4.0' PLAN MEW PERSPECTIVE MUST E (TEND FULL WIDTH OF No TRIANGULAR BC7ARD FENCE _ INGRESS AND EGRESS OPERATION SET 1 1A2" WATER Soum,; VEE, DSWC HYDRANT V*TH FROST . 12' Lm. PROOF HYDRANT 3' -' ABOVE GRADE AND OFF EM OF PAtiflAET4T: s€cTlaN A_A 6hs- NOM' A Ylgf M WATER TRAP OF Y IS REQUIRED - WITH A Ml M uM WASH HOSE DIA. OF l.3" - � �av� Tom► COW am SDNF RIS uts 3pr+rk$ varccaivs {e.g,;. Nehle), THE PURPOSE OF THIS LAND -DISTURBING ACTIVITY IS TO CREATE THE ROADWAY, SINGLE FAMILY HOMES, AND LOTS FOR THE DUDLEY MOUNTAIN SUBDIVISION. THE TOTAL ACREAGE TO BE DISTURBED WITH THIS PLAN IS 49.23 ACRES. EXISTING SITE CONDITIONS,• THE EXIS77NG SITE IS A VACANT PAR77ALL Y WOODED & HILLY PARCEL. AN EXISTING STREAM RUNS TO THE SOUTHWEST OF THE PARCEL. THE SITE IS GENERALLY WELL DRAINED WITH PRESERVED AND MANAGED STEEP SLOPES EROSION AND SEDIMENT CONTROL MEASURES HAVE BEEN DESIGNED TO CONFORM TO THE EXISTING SITE SLOPE AND PROTECT THE PERIMETER STREAMS AND ADJACENT PROPERTIES. ADJACENT AREAS: THE SITE IS POSITIONED EAST OF DUDLEY MOUNTAIN ROAD. OFFSITE LAND DISTURBANCE. NO OFFSITE DISTURBANCE 1S PROPOSED BEYOND THE PARCEL LIMITS, OTHER THAN WHAT IS LIMITED TO PUBLIC RIGHT -OF- WA Y. CRI77CAL AREAS, CRITICAL SLOPES, TREE PRESERVATION AREAS & STREAM .BUFFER AREAS ARE NOT PROPOSED TO BE IMPACTED. SOILS. SEE SOILS BOUNDARIES ON THE EROSION AND SEDIMENT GON7ROL PLAN PHASE I SHEET, AND DESCRIPTIONS ON THIS SHEET: SEQUENCE OF CONSTRUCTION: 1. NOTIFY ALBEMARLE COUNTY TO SCHEDULE A PRE-CONSTRUC77ON MEETING AS REQUIRED. 2. NO EROSION CONTROL MEASURES MAY BE REMOVED DURING THE CONSTRUCTION PROCESS WITHOUT THE APPROVAL FROM THE INSPECTOR ON THE PROJECT. J. CONTRACTOR SHALL IDENTIFY THE LIMITS OF DISTURBANCE AND INSTALL TREE PROTEC77ON FENCING_;WHERE INDICATED ON THE PLANS BEFORE ANY SITE DISTURBANCE SHALL TAKE PLACE. CONTRACTOR SHALL ENSURE THAT TREES TO BE SAVED ARE FLAGGED ALONG 77 -IE LIMITS OF CLEARING AND PROTECTED, 4. INSTALL THE PAVED CONSTRUC77ON ENTRANCE WITH WASH RACK AS SHOWN ON THE PLANS CONSTRUCTION EN7RANCE TO BE INSTALLED WHERE CONSTRUCTION VEHICLE ROUTES INTERSECT PAVED PUBLIC ROADS, PROVISIONS SHALL BE MADE TO MINIMIZE THE TRANSPORT OF SEDIMENT BY (VEHICULAR) TRACKING ONTO THE PAVED SURFACE. WHERE SEDIMENT IS TRANSPORTED ONTO A PUBLIC ROAD SURFACE, THE ROAD SHALL BE CLEANED THOROUGHLY AT THE END OF EACH DAY SEDIMENT SHALL BE REMOVED FROM TETE ROADS BY SHOVELING OR SWEEPING AND TRANSPOR77NG TO A SEDIMENT CONTROL (DISPOSAL AREA. STREET WASHING SHALL BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED IN THIS MANNER. INSTALL THE WASH RACK UPHILL FROM THE PROPOSED SEDIMENT BASIN, ACSA WILL DETERMINE THE APPROPRIATE METHOD OF SUPPLYING THE WASH RACK. PARKING AND CONSTRUC77ON ENTRANCE AREAS SHALL BE CLEARED OF ALL VEGETATION, ROOTS, OR OTHER OBJECTIONABLE MA 7E -RIALS BEFORE CONSTRUC77ON ROAD STABILIZA T70N IS INSTALLED. 5. CONTRACTOR DOES NOT HAVE PERMISSION TO CLEAR CUT THE SITE PRIOR TO INSTALLING THE PERIMETER MEASURES AS SHOWN ON THE PHASE I E&S PLAN CONTRACTOR SHALL_ EXPEDITE INSTALLATION OF THE PERIMETER EROSION AND SEDIMENT CONTROL MEASURES AND PROTECT THE SITE WITH THE LEAST AMOUNT OF TREE REMOVAL NECESSARY TD /INSTALL THESE MEASURES. INSTALL THE IN177AL CONSTRUCTION MEASURES AS SHOWN ON THE PHASE I EROSION CONTROL PLAN SHEETS: THIS INCLUDES THE SEDIMENT ' BASINS, SEDIMENT 7RAPS SILT FENCE, ;DIVERSION BERMS/DITCHES: AND �E •TEMPORARY SLOPE DRAIN. STABILIZA TION MEASURES SHALL BE APPLIED TO EARTHEN STRUCTURES SUCH AS DAMS, BERMS, AND DIVERSIONS IMMEDIATELY AFTER INSTALLA770N. MEASURES INTENDED TO TRAP SEDIMENT SHALL BE CONSTRUCTED AS A FIRST STEP WITH ANY LAND DISTURBANCE ACTIVITY AND SHALL BE MADE FUNCTIONAL BEFORE UPSLOPE LAND DISTURBANCE TAKES PLACE. 6, INSTALL ANY REMAINING EROSION CONTROL 17EMS AS SHOWN ON THE PHASE I EROSION CONTROL PLAN. Z ONCE ALL THE EROSION CONTROL ITEMS HAVE BEEN INSTALLED AS SHOWN ON THE PHASE I EROSION CONTROL PLAN AND THE INSPECTOR HAS APPROVED THE EROSION CON77ROL MEASURES, THE CONTRACTOR CAN BEGIN GRADING OPERATIONS S. ROUGH GRADE THE SITE TO THE CONTOURS SHOWN ON THE EROSION COINTROL PLAN. 9. PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL. BE APPLIED TO !DENUDED AREAS WITHIN SEVEN DAYS AFTER --FINAL GRADE IS REACHED ON ,ANY PORTION OF' THE SITE TEMPORARY SOIL STABILIZATION SHALL BE APPLIED WITHIN SEVEN DA Y5 TO DENUDED AREAS THA T MA Y NOT BE A T" FINAL GRADE %BUT WILL REMAIN DORMANT (UNDISTURBED) FOR LONGER THAN 30 DAYS. PERMANENT STABILIZATION SHALL BE APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR MORE MAN ONE YEAR. 10. ONCE THE SEDIMENT BASINS, SEDIMENT TRAPS & PHASE I ESC MEASURES ARE INSTALLED AND DRAINAGE CAN BE POS177VELY CONVEYED TO IT, THE CONTRACTOR CAN INSTALL THE CONSTRUCTION MEASURES AS SHOWN ON THE PHASE 1/ EROSION CONTROL PLAN SHEETS, MEASURES INTENDED TO TRAP SEDIMENT SHALL BE CONSTRUCTED AS A FIRST .STEP WITH ANY LAND DISTURBANCE AC77WTY AND SHALL BE MADE FUNCTIONAL BEFORE UPSLOPE LAND DISTURBANCE TAKES PLACE. 11. INSTALL THE UTILITIES, CURB AND GUTTER, AND ROADS. INLET PROTECTION SHALL BE INSPECTED AFTER EACH RAINFALL EVENT AND REPAIRS SHALL BE MADE AS NEEDED. IF THE S70NE FILTER BECOMES CLOGGED WITH SEDIMENT SO THAT IT NO LONGER ADEQUATELY PERFORMS ITS FUNCTION, THE STONE MUST BE PULLED AWAY AND CLEANED AND/OR REPLACED. INSTALL ANY REMAINING EROSION CONTROL ITEMS AS SHOWN ON THE PHASE U EROSION CONTROL PLAN. 12. ONCE PHASE 11 OF CONSTRUC77ON IS COMPLETE, THE SITE IS STABILIZED AND THE INSPECTOR HAS GIVEN APPROVAL, THE CONTRACTOR CAN REMOVE THE EROSION & SEDIMENT CON7ROL MEASURES, INCLUSIVE OF THE SEDIMENT BASINS AND TRAPS NO ITEM SHALL BE REMOVED UNLESS THE UPSTREAM AREAS ARE STABILIZED AND THE INSPECTOR GIVES' PERMISSION. 13, MAINTAIN ALL EROSION CONTROL MEASURES AS SPECIFIED IN THE VIRGINWA EROSION AND SEDIMENT CON7ROL HANDBOOK, REMOVING ONLY WHEN APPROVED BY THE LOCAL PROGRAM ADMINISTRATOR IN ACCORDANCE WITH THE VIRGINIA EROSION BOSTON AND SEDIMENT CONTROL HANDBOOK. 14. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN 30 D/;YS AFTER FINAL SITE STABILIZA7ON OR AFTER 7HE TEMPORARY MEASURES ARE NO) LONGER NEEDED, UNLESS OTHERWISE AU7HORIZED BY THE LOCAL- PROGRAM ADMIN157RATOR. TRAPPED SEDIMENT AND THE DISTURBED SOIL AREAS RESULTING FROM THE DISPOSITION OF TEMPORARY MEASURES SHALL BE PERMANEI -1Y STABILIZED TO PREVENT FURTHER EROSION AND SEDIMENTATION. 2, STAPLE WIRE FENCING TO THE POSTS. J. ATTACH THE FILTER FABRIC TO 7HE WIRE FENCE AND EXTEND IT INTO 774E TRENCH. '1_- � .s_zl__- SIL T FENCE (WITH WIRE SUPPORT) EDNO SCALE 4. BACKFILL AND COMPACT THE EXCA VA TED SOIL. EXTENSION OF FABRIC AND WIRE INTO THE TRENCH. 1992 3,01 -7 'NCING ,`5AFET)" F, E, IC'LS I NOR17ka � ; I 1 1, j\ 0 114 ■�� ��� , OR' N .�• i U E I -��.� : I - u� _ SNOW FENCE i�I ! . ■> ! II I I u 0 1 � L E 4 i 50-100 t'\ I .• r^v ` �_ F ! 's r+w ; , rat Asph;dt Emulsion 7:1 Coarse Spray 1,200 60ARD FENCE- # rw 00 OW . - CORD FEk(tC^c 60-100 1-11 mu*`}111,y > t { 50 l5 ,btX,'rC r fr i ; -Ufa , 'I �' hh ry i' l j �I r° y it HG PERSPECTIVE VIEW No TRIANGULAR BC7ARD FENCE _ l w. i'; y i 1�i Soum,; VEE, DSWC tj d - {mv 4x3$9 -' a x I (>Al3 F. -� yr= 6hs- 11 x - _ - 7 I ��. :� �. I - uts 3pr+rk$ varccaivs {e.g,;. Nehle), \ I` . not 1,35. xh*n 30 Ilxe, i 4w • �la(4w(�4���(ts : ... R„� i 1� ' ' NAY. .v�:r°�"i :sx.«c uu XYE� 2 fie. (vga Ba f lu lits , L.S 14 5_ PERSPECTIVE VIEW F'ERSPECTIVE VIEW PLASTIC FENCE METAL FENCE Source: Adapted from Cxinwed Plastics anal Plate 3-01-1 VDO'1' R)A_�p�Standard, S,Ldge 1992 3.38 -7 'NCING ACCEPTABLE TE, MPORMY SEEDING PLAW MA'T'ERIALS AND ARMORING NOR17ka - l l !Late 1, j\ IbS. acre OR' N .�• i U E I -��.� : I - u� _ SNOW FENCE i�I ! _ , i II I I u AdhesiveAdhesive: W-all-erl Npzzh.r 1�aiions/Here/Aere ,w+ r w } •w 50-100 Cereal (Winter) Rye r+w ; , rat Asph;dt Emulsion 7:1 Coarse Spray 1,200 60ARD FENCE- # rw 00 OW . - CORD FEk(tC^c 60-100 "^-'-MASTIC FENCE CORRECT METHODS OF TREE FENCING 4° t { 50 l5 ,btX,'rC _ l� -Ufa , 'I �' (Non -Traffic) 7:1 Coarse Spray 450 l j �I r° y it HG _lk- 00 CORRECT TRUNK ARMQRINIG ORI No TRIANGULAR BC7ARD FENCE _ (Traff:`ic) 3.5:1 Coarse .Spray 350 PERMANENT :2L4&UZA TION AFTER CONS7RUC77ON IS COMPLETED, ALL DISTURBED AREAS OF THE SITE WILL BE LIMED, FERTILIZED, AND SEEDED AS PER CURRENT VDOT STANDARDS THIS SHALL CONSIST OF THE FOLLOWING,- SEED - ERNST 5311 CONSERVATION SEED MIX - ERNMX-114 (45 LBS./ACRE PENNLAWN CREEPING RED FESCUE, 3Z5 LBS/ACRE ARGILS KENTUCKY BLUEGRASS, 37.5 LBS/ACRE PARK KENTUCKY BLUEGRASS, 15 LBS./ACRE ANNUAL RYEGRASS & 15 LBS./ACRE PLEASURE PERENNIAL AFTER THESE AREAS ARE STABILIZED, THEY WILL BE MOWED AND MAINTAINED ON A REGULAR BASIS. FER77LIZi--R - 600 LBS./ACRE OF 15-30-15 TOPSOIL - 2" DEP7H, LIME - 2 TONSIACREE, IT IS RECOMMENDED THE SOI('_ BE TESTED FOR pH TO DETERMINE THE FINAL LIME QUANT177ES & THE LIME BE APPLIED AS EARLY AS PRACTICAL. DUST CONTROL MEASURES WILL BE ADDRESSED DURING ALL STAGES OF CONS7RUCT7ON. PERMANENT SEEDING WILL BE APPLIED TO ALL DISTURBED AREAS AS PER THE PERMANENT STABILZZA7ON OF THIS EROSION & SEDIMENT CONTROL NARRA77VE, MULCH SHALL BE APPLIED TO AREAS WITH SLOPES 2:1 OR STEEPER, OR WHERE STABILIZATION CAN NOT BE ACHIEVED THROUGH PERMANENT SEEDING OR OTHER ACCEPTARLF & APPRnIAFD Ad T140n.' FMTM PAMW ENTRENCmm 8" COMPACTED som - 8 i92iIYIliI -T _ - :e• I 1 Ti -i r :t = l�I ;; Iii - 9 TEMPORARY 18" DIVERSION BERM TA13LE 3.31-B MIA- Ili fi TN ATOS UAT ARY SIrIWFii4�t� PT.A�1`I` 1t1A7'IEf�I. .. G R F.S 9 �lA ........_ ACCEPTABLE TE, MPORMY SEEDING PLAW MA'T'ERIALS -QUICK REFERENCE FOR ALL REGIONS" NOR17ka ADHESWES USED FOR DUST CONTROL !Late 'tan •n Esteseeies IbS. acre Sept. I - Feb. 15 50/50 Mix of Annual Ryegrass (Lolitzln_uuiti_am m) AdhesiveAdhesive: W-all-erl Npzzh.r 1�aiions/Here/Aere & 50-100 Cereal (Winter) Rye ($S -C1 ° cereale) Asph;dt Emulsion 7:1 Coarse Spray 1,200 Feb_ 16 - Apr. 30 Annual Ryegrass 60-100 (labilm-mi"dA-I 3i'Urn) 4° t May 1 - Aug 31 German Millet 50 et ria Lc 1"C ) ,btX,'rC 2"x4' IAVODEN FRAME ; GATHER EXCESS AT CORNERS ^T11 PERSPEC77VE WEWS En ELEAQW C STf4 C4ND SILT FENCE DROP INLET PR07FC77ON Ain .sre 1 F �v - -- TABLE: 3,,31.0 MIA- Ili fi TN ATOS UAT ARY SIrIWFii4�t� PT.A�1`I` 1t1A7'IEf�I. .. G R F.S 9 �lA ........_ TABLE 3.39.A SEEDING RATE NOR17ka ADHESWES USED FOR DUST CONTROL _ Water Application Dilution Type of Rate AdhesiveAdhesive: W-all-erl Npzzh.r 1�aiions/Here/Aere Amonx Asph;dt Emulsion 7:1 Coarse Spray 1,200 517. $1 Latex Emulsion 125:1 Fine Spray 235 4° t 9, P Resin in Water 4:1 Fine Spray 300 ,btX,'rC Acrylic, Emulsion l� tV (Non -Traffic) 7:1 Coarse Spray 450 Rf, HG Amlic Emulsion (Traff:`ic) 3.5:1 Coarse .Spray 350 Soum,; VEE, DSWC 2"x4' IAVODEN FRAME ; GATHER EXCESS AT CORNERS ^T11 PERSPEC77VE WEWS En ELEAQW C STf4 C4ND SILT FENCE DROP INLET PR07FC77ON Ain .sre 1 F �v - -- TABLE: 3,,31.0 MIA- Ili fi TN ATOS UAT ARY SIrIWFii4�t� PT.A�1`I` 1t1A7'IEf�I. .. G R F.S 9 �lA ........_ SEEDING RATE NOR17ka sciumb _ $3 4tbFl SPECIES 3'9 517. $1 2 5 4° t 9, P C fi ERT:I1 A1C C CUA ,btX,'rC s �{ ii l� tV 3 4` Rf, HG 'C27 1: ]4 $ 1 5 i ll.l 4x3$9 9i 1 tlPlS (>Al3 3 IIID. (ttp to IOU Its > 6hs- 11 x - _ ;'�a - - uts 3pr+rk$ varccaivs {e.g,;. Nehle), 5 i 3.` 4_w �r`u'ks:t not 1,35. xh*n 30 Ilxe, i 4w • XYE� 2 fie. (vga Ba f lu lits , L.S 14 5_ xi - xx uw f w &fI8 Fall L�4yitwa. irate€ (s.,;is'L,wale) ace lc*5 ftn 30 (hN. t over. Tolerates cold acid lTuw aaiaii.4Wre9. 111. GERMAN MILLET .m -.l._. 90 ltrl I apprux. t lb. A - x - m .. .. 44'arnx-waa annual, Lie: If fm4 44wa i§ .)s' , Mayaddled UP Nufmn M9 xe,-, - sR, ,4tvittt�i. RV'�CI.F&,$5, Ca{i IN. i'% lt�, `� .. _ � ?f _ :K 'zisi. Baal'.. t�'iay Iia t� art tr%t . _ _ , (winm ctv ji- .>na al out of MnNt st>Yo&l 'iW"UPIN-0 15 klu. 51A s.u„. IV k - watm sawn pw,wmiat, Mm: t_tSVEUR,�sB 4 It h, Tolena;:s hao dry �-lam 'c >r ) �t � _ [ air .su and add, inkLiil ixAl.'_ 'be � Mit 3A&d ;u mir.m. �UiLEh.i 2� {ESS, aPP rcra, t fi � ;t I ;� 3( 'A'arnc �'a5rm a7sntaxi9 t r,�, ' LP;pEDF7.A= Itis, I Toleratm mid FAIlls, May t* I.E�R m mipMtla'N:{„�) I 8'I $4 if3iAS`a. I Nor[I"i m flialc oral acrd NlvualWu wgion. Sft Pl3 ..t 3,2241 and 3,22-1 5 Souffi+ern Pi s AnT 1 C"costal Naha,. C &Tay W tlwd as a covef ctup with spriog init- a may tae vxd a1, a ovv r cpi)p with fall swding. ` X N1ay be planted Nawman these data. - May no be IiiaMed began: these 49tes. x!7 TK OCA ",; SCOTT R. COLLINSt2'4 jLic. No. 35791 '---I 0 t *11��SIONAL Y, E w z 0 -■s z w U) z J 0 C) 0 92) C 0 U C _N 0 Q Q) 0 .$ CD 0 C 0 v 0 v 1-1 a C a 6) C 0 U D ;: C 0 U 0 -0 Q) E - 0 I_- - v Z3 0 6 > .6 U) U ....j � Z 0 > 0 o 3 fn Q) 0 z 0- Cn 5= n Uj L 0 -- 45 �_ -0Q) w CL o LU c 7. / m r Aft V) �-- o s < rr _, L o z < a ..j z 0 U Cr 0 0) CL v tz 1.__14 0 0 (-) >1 0 0 JJC7 z w w W - z CD z z L3.A w U) z w O v 06 0 Z >, 0 0 0 o 0- Cn to 73 U. :C Uj 0 0 �0 . b W_ C E LIA Z) U 2 w o JOB NO. 0 .1. 1320 a 91 U 0 SCALE o N/A C3 w - C U SHEET NO. I E_ ID co 0 = t_ . .. 4w • 0 -■s z w U) z J 0 C) 0 92) C 0 U C _N 0 Q Q) 0 .$ CD 0 C 0 v 0 v 1-1 a C a 6) C 0 U D ;: C 0 U 0 -0 Q) E - 0 I_- - v Z3 0 6 > .6 U) U ....j � Z 0 > 0 o 3 fn Q) 0 z 0- Cn 5= n Uj L 0 -- 45 �_ -0Q) w CL o LU c 7. / m r Aft V) �-- o s < rr _, L o z < a ..j z 0 U Cr 0 0) CL v tz 1.__14 0 0 (-) >1 0 0 JJC7 z w w W - z CD z z L3.A w U) z w O v 06 0 Z >, 0 0 0 o 0- Cn to 73 U. :C Uj 0 0 �0 . b W_ C E LIA Z) U 2 w o JOB NO. 0 .1. 1320 a 91 U 0 SCALE o N/A C3 w - C U SHEET NO. I E_ ID co 0 = t_ N, 4� NN, i . I I I x 9 1, / MAI �HLJNE, R 0/ 7 j, S 7E S4 7T '6 55 F C DEOF VHA�SES I & 11 A'NCE- H RWA6 LIMITS OF DISTURB 49.23ac. It P �j #1'-ANDITS�SILTF9,NCE 2. PR9V D SEDIMEN T TRA P COTT R. COLLINSZ 11 71 'UN U64EY)YOI)NT,�INEROS40ty&SEDIMEAfT 0 Ldc. No. 35791 PO PO9EQfPAV9D, �nm ' Q�VED & S7rA I ITH BLIZED W 4L Df R ZONITAIO'L�LA)V'- TO B ic) N ENTRANCE LDAbLE AREA. r-/ONSTRUCtflO N, fTHE CONS 7RU,CTbN OF LOT:i's B Otte z Y,/V MIN.) SEDIMENT IN, TOAPbELOW N N -X—X—X X— X X X Ld E e4`7, . . 11� I.. I __*j___-_- / / I -\- / I i I Z*, I i I i *) "/ z / I , / GAPH/19 SCAL 'C Ld 10 100 200 0/ 25 5,0,1 V) 50/ 0 jigs" LEANVTER DIV IN FEET iRSI&N 50 ft. TRUC-d/ ON 1 ipch PLANO Or- ceb NS LEAN I'll-,"' ING C C* RET C ACTI ITY Td DI vEXIS11 LINOFF INTC ULV6 U.1 41L BACKING ST #2 _�.EXISTING 0.74 ac. V UJ Z _j 0 C) 0 EGEtATIQN (TYP.) U 'RMI ACTOR SHALL SF PROPOSED DIVERSION BE. .CON�R RQW DIVERS(ON uj Ul w/WIRE !ENSURE POSITIVE SL 7 .* IS MAINTXINED, 3.� BERM -�7 "ST HEIG SACKING W. E. + uj HT ISPROViDED, & BERM IS SfABILIZEDA 5 A t FIRST STEP �N DI§TURBANCE 6:6 —a c. P 0 10 t ui 0 71 t ce 4 -(TS, - 10 z > XISTING TREE� OD 10 o.89 ST Ni LIN E (tYP.) PS IN10 10 0" 0 x NE/ ST Ed m mi� m is m* WEIR/ 11 — - ------ ------- Lu F ko %0 05/, PRbPOSEt')SAFE/1-YFENI#�"'R"'I * I:3 -FIETYFENCE !NSTA SIGNS"11,WARNIING —PR SA OP ED INSTA SIGNS "WARNING 0 Ulf- AND KEER-OUT" 0 3ACKIN Qu ,6y/WIRE ID NIMAND, KE�EP T" LBEMARLE COUNTY. 7C —CtFINED -AL SOIL's BRY E z E SLOP E "S(T Y EIR111- (T - - - ------- SF R1 A \'9NCE, OPOSED\S FETY w r t W QUICK SAND, KEEP OUT" BACKING/ IN5TALL SIGNS "WARNk� 913 tLij 1.7a a�. Lu L9 U) PROPOSE� \S0112s STO N E cy) WEIR L2 CONTRACTO CRS 'TYPE MEMO z \$TA (TYP) cyi GINGAREA At 0) f0 c\j <\ > AREA cy) SF OF,Sf LECT CLEARING FOR w/ WIRE, BUILDABLE AREA \BACKING NG t)OW --PROP0SED OU N\5LOPf,.,,-bF SEDIMENT T -A ISTI �IEGETATIO c\j 0 i�cfbEs y0i ....... ...... PILL AY COV I REA OF SELECT' CLEARING FOR C\j A I Q) nON -I�E. 'N 10 'NOFF�OM TH FINAL Sib L_ N RING BL)RDIN A < YARD SWA LIM�TRU �Dbi TOA�L TO, > OF UILDAEILE AREA CO I KU�_ I N. N5 :dNTRACTdRSHA-LL ENSURE G, CL POTTY TIVE �L S�ABILIZEC STEP IN,,DISTU T ....... . .. bALKING OC,ATION OF DUMPSTjER x z PbS1 A 1� MXINT' INEb\kpUtF, IS > As A rIR\5T' RpANc�. SF > AI LING w u /WIRE -4� U) z ION��F FUE F— < f uj /71 PROPOSED CONCRETIf WA5HOUT-AREAQ L9 S E -SBA SED11MENTTRAP B LOAV_ < < L11 ?0 > V) FOLLOWED BYTHE __650— E R— EIR ;-6q a c. CONTRATOR! HALL FIRST IttSTAL-L THE SILTFENCE, —:40 MEN-rl-W & THEN 54ALL A LEVEL -UT & PORTA-PbT-T GRA P D T6 HOUSEHE a)UMPSER FUELNG LL. A RE?� NCiETE11VASH0 IES. z ROPOSED SAFETY F. NCE, 0 0 IBACKING — ----- ----- P UT1F I1qST-AL-LSJGNS_"W §NI -NG-- K W1 E--_ -6 QUICK SAND, KE 3 6 7P -HAVE- PR )SEDS 00 ------ THAN 3:a,,? LL uj TR EE PRO, C 10 )�,N`CE GR�UNDC N FENCIN(�,) ul Ld Ljj < uj uj Lu < < ui X, F— TREE PROTECDON r r% 0 0 -W-ING --FE ui r1r Tj 0 46 OPOSED SAFETY' WA NING INSTALLSIGf4S' Xlki�' cr_ < QUICK sAND,IkF-7 9U c:) c\I �7CHLI�,�E, SEE ABOVE uj ...... ........ C b fIlk JOB NO. SCALE fL . AREA OF SE-� Ed' EAPWG FM---, E AREA 1 =50 Avis fA M SHEET NO. AD 4 _A �T, FOR, k-1 'm -T Z j X HLINE S 7 LIVIAINDER O;F P H, A� ES 1,,& 1,Y 7' ...... 77 I I IMP �1 I I "I I 1 10;' '\QJ NAGE DIVIDrS LOCATION OF T B�S�N, SOWN' "C' V j,� C "/IC 7 V PI" N tt 4 V D AFETY FE oup&� s E-1 t INS AL T QUCKtA4b_�EEP-OUT` -RIN T L C 0, r5-PQR _J - - ------- N Z "'A 43 b -s Oil '�k6t X 10 0 Z 4 W.1 Wt E, 'BAC K-1 PROF L F ,, CONTR, AC > NSTALLA ARY, TOR S1 ALL -SLgf�QRA1N-TC C _DIVE RSTON- RUNOFF IN. -17.04 ac, SEDIMENT BASIN -,C. D T \LIM1tS OF TLIF TP DI S ZbANC`t-;: 47. oac. TREE TECTION 6NG TS 10 /* �'S F \W/ WIR T BAC TkE P OTEC ION F 'Cl G N 0 4p BACKfNG 7\ T�PE 7L\ (�S �F) Kt W/ VVI R BACKING D m(OUNEW TO (TYP 13A PS 0 OCA -7 AR 'OF SILE "/AmEA`O SE�EQT \CL�ARIWG TR�,, LIDA'BLL�A EA� 8 1�1 L OAPI L r- /A M Byl F%:�w Ov N`G TREE ,BESURkOU N X -FENCE < PR -7' - EXIsTj trp LINE: OSEDIOCATION OF 'TO Y, S -E ON DARY ��O Ck P;I LE* u �51LT DE D > U) cl� \C 0 11 44 '7' r y C &Veins t 7 40 4W /* GRAPEI� SCALE 0 25 50 200 100 C) IN FEET oil 4* 1 inch 50 ft. N 0 1!�, SFE �HEET FQ R E. rVI A 11,,4 u t d7� SCOT C INS Z OLLIbIS Lie. No. 5791 CD 10INVAL a 9� co C6 co 0 01) C\j w C\j w m _j > Cl) LLj 0 CC < c) ui D ul U) F-: Z Lli LIJ Q� F- U) Lij rr" 0 0 0 C\j u Ld L'i ?=1 CD z Lj V) _j 0 0 C, 0 U) x 0 U3 C 0 0 0 0 U 0 0 0 c) leir z 0 4p AOL CL En i5 CL 0 —0 0� r_ t0 E I Z I A"WaL uj zW C3 0 u E D > u 0 Z C: u t0 E I Z I A"WaL uj "0 C3 0 E D 0 u 0 Lu C: u < ui 0 LL. LLj L I Ll I m 2 Y) 0 LJLJ 1 "=501 t0 E I Z I A"WaL cm C3 0 E D E _0 u 0 Lu C: u JOB No. 0 uj LLj L I Ll I m 2 Y) Ld z LJLJ 1 "=501 Lij CL U) r r% _j %W:O; 0 C) 0 U) 0 0 x a) Q) SHEE I NU. I 0� q) U) 5 Lu C3 E D U., u 0 JOB No. 132091 0 SCALE 1 "=501 SHEE I NU. I 0� q) U) 5 t114 E, 5 7 I A" I 4 H7' 7E s,k T75 C TS OF DISTURBANCE= T N RMAI.NDER0 RHAS I 11 I % 1% / LI I TR91A ff ORS ALL STABILIZE 2:2 S T H ofi 49.23ac. EROSION �% SEDIM OTES: CONT �OPES WITH AND LbwMAIPTENANCE GROUND COVER. D "SEDWEIV j qDI TR�P #1" A TslSILT�ENi E 2� RACTOR,�H URE fAL LIMITs/6F D D R LOT 3 DIS =EXCEED So ACRES. I-- --- > -- SCOTT R. COLLINSZ PR408E '1P /UN EY�406NTAYN ERGS101y & S n T: Ldc. No. 35791 Q AV�D i�,'=,-TITH ONT L N" TO BIL LOT 0 -ION ENTRANCE BTML(OT s B LDAYLE AR A. YED & STA c,bNST Ud ON TRbCTiON /bIME`NT Vill, 11� 1P0 C6 TIMN) W/ SE �OT 4 y0APAkLO W // I/ 0 1 \ e,, —x—IX—x— (I z 0 �E Li IGAPHIC SCALE O/ low 25 100 200 LLI 50 ILOT EPER Trll�'N 3:1 0 PSED SLOP�S STE IN fEET 0 CONTRACTO�)S — ROP SHALL HAVE A �OW MAINTIENANCE I in ST #2 HALL EXCAVA I t!5ELAMENT 0 1 ipch 50 ft. C�ADEN MATERIAL & FILL EXIStING SEDIMENT GROUND COVER (TYP.) _j 2 -93 ac. PPING DEVICE WITH ST?UCTURAL/ PERZINENT FILL. THE CONTRACTOR SHALL 'CLEM WKTO D IVERSICIN lip ONSITRUCTION 0 WITH THIS FACILITY & STAPIL 'ACTIITY T0 DIRI�CT &EAIN LAND OF)' --L DIVERSION�ASSOCIATE DENUDEDAREA kS WITH SOEDINGAA MATTING. ANY EXIST)NG OUTLET�� RUNOFF INT16 PROPOSED TORM SEWERIIqL ATTMEENT AINCE DISCOVER kOR )ET i VJSHAL�LKABANDO- W/ E CES %RY. (TYP.) REMO' 0 Lu ... .. . BA�Kl�q' z 0 LOT6 u- EXISTING v T19N (TYR EGEFA " Ln 3;7 0 aPOSED DIVERSION BERMI CONTRACTOR SHALL\ 1 i I " # �w uj qu- DIVERSf6k I, ro Z) RE POSI* S MA w `ENSU'; rIVE SLOtE I NTAINED, 18� BERM LOT W/W --- uj HEIG, T IS,)PROV11DED, BE�,Im is StA\BILIZEDAS A FIRST STEP IN DIS,T,URBANCE BACKING uj W.E. IIST 4 3. ac ST #3. 0 LOTi� uj k2.194 ac. CLO 0 0 �XISTING TREE� 00 */ LINE (tYP.) NE Em Is A's 7 0 0 'IST "'m im �q 0 mgmmomMmi EIR/ ......... IlSF/ TY FENCE,' 110 110 4110 PROPOSEDSAFE7 P 0 INSTALX SIGNSIWARNING ---- ------- u kCKI '>�'ROP6S9D`sAFETY FENCE ,,/Wl E QUICKSAND, KEEP OUT' 0 0 INSfAL :;4:� Cn 0 EP\OUT" NLBEMARLt COUNTY,--- - Q'Z�u 0 t96ICK S�ND, K It �'DEF INED-CRITICAL SLOPES (TY EI; E ivis O-) 4? . ...... .... .... .. 0 CY ROPOSED\SAFETY\1;�NCE, ---- ----- 0 LP INS1A LL SIGNS "WARNING rn W/ EBA QIUICK SAND, KEEP OUT" Lu LU PROPOSE� L9 --STONE Lj CONTRACTO CRS 1\ ICY) -Z WEIR f > \STAGING AR IP C6 I�a N u ST 4 IAREA 2.69 login= `OF,5ELECT SF 0\ ,W/ %1(1 K t\, ---- ---- ce) A CL RING FOR,_ V) BUILDABLEAREA 0 ISTING BACKING YEGEATIO C\j Z -PROPO-SED OU LET DdWNISLO'Pk� OF SED M�t P.) 71RARgi's SPILL Ay COINCIDES WITH FINAL SI REA OF SELECT CLEARING FOf -tRA-,V A: 05S LOTS NG- YA RD SW4�E. �, TF�A 0 UILDA5LE AREA TION. �ONTRACTO`f AH ENS#RE -.-c6NSTRUC IN D6) bC TION 4L i0., LIMIT RUNOFFROM R4� VV -POTTY EL `DUR1`NG Boj�Dj FOR . ...... UL T...... ............. -- ---- ---- VE SLOPE IS MAINTAINED &PUTFLL IS > TS �BILIZtD As 4 FIR,ST STEP IN -DI TUR�BANcE L.Lj CL L �w x __x _x Y v i0 > CO W/ WlKt -X—X— z CATION OF`WMPSTE I%of i U AREEA z LOCMION,,�F FUELING oil 0 --SB x -Ak fROPOSED CONCRETI� UJ 27 0 WASH OU T -AREA wl fE SED�MENTTRAP BELOW- uj EIR' CONTRAtTORSHALL FIRST INSTALL THE �ILTFENCE, IOWED BNcrHE-5EDIMENTRAtP &THEN SHALL `650 FOLL GRADEA P5, 0 k LEVEL P, D TO HOUSE THE DIUM TER, FUELING AkEA-,CO1`*qt -Pb`T-TIES. TE WASHOUT & PCDRTA F 0 fINSTALLSIGNS--�WARNING IROPOSED SAFETI( FENCE, z NO WI E�-- QUICK SAND, KEEP OUT" 0� Ir Lij BACKING P ROPbSED-SWP S E 00, AL -H, SH L AVE 0 Air M AML :D rp 'TE rp Es -THAN 13:1, E GROYND-_, C/) TREE PR T� ION FENCING,- F- LLI f LL uj LLJ LIJ LL LLJ F- < 0 TREE PROTEEDON— --FE NG TP 0 ui I0 -7 0 L Q) > IU) x tSTALL! A' N OPOStD SAFE < QUICK SAND,.,KEE,PP 907/ i Akk 0 C:) N4ATCHLINE, Sr ABOVE C\j Lu IE ILu -0 NOVA JOB NO. %� -TIM IL AREA.OFSf, 0 tREA SCALE 1JD is LA %N TF P CtE40NG FOR-- �YLDABLE Nampo all 50 SSTI b /,7 EET NO. 6 MA- MkfN DE 0 WfOCATION (D'F/' TC�LL14, SE BELOW'& S-HEET PRAINAG: DIVIDE SEDOE N 'Cl N'BAS�]' COLLINS Z SCOTT R. -35791 ONAL Li B QUICt< SAt4D,lE`EP-OUT--- E_ P P&SJED�AFETY AR A'Of 5TGN T/A�\ac Li 0 Cp_ 0 \\o 0 uo u PRESERVATION-, L 0 \TRACT A C: AcToR sHAL-L- CONTR I NSTALL A TEMPORARY. 0 SLQ�E AIN -TO DIERT ui x -DIVERSION RUNOFF INTa 'LOT7 --,SEDIMENT BASIN C uj Lw Y N KAL 0 v I— L) GRk)lNG_W,[THl I lZU PRESERVATION TR uj TORM "LIMITS OF-\- / �'\ LL BE CIMFTED r6 T�N P RIST4JOANeE= 9 � -i- — \47. ROAD'& S Uj -TtO-N TREE PRPTECTION F CONSTRUC N uj 0 u 9ACk\IN(5\ ? TR !�E PROTkC N 0 .b'po .,..E 7 0 ci L 0 %0 LU �q LOT-i� U) V 0 WIRF U PACKfNG �_A 0 .7 % LU 'LOT SF CY? WIWI RE 0 BACKINq Q) cr) > 'GREEN COURT 1.5 C\j lN FRA 'N N,' AFT ER CY) tLO T F�RM \CONST0QCtED\ANp LOTS 14, 12 & i3 WJNA) -13AP CONTRACT S�ABIWZ�D, 0* S�HAL LE A D\ - — ------- -- INZALL, THE REAR\YAIR\D SWA T\HE5l(jk<M5(EWERR\UNfRC" ST�RUCTURE �470 S\EbIMENT BASIN 7' Cl. 0 LOT3. 0 77 LOT12 0 -AREA'OF`5E)_EQT Lij CL I \LLL FOR AREA 0 ELECT`�- 4C z O� > BQILDApLE'AREA,, U ,A��EAREA' Uj Uj F - EXISTING TREE 0 LINE (T\YP.) Lo 0 -`$ECO.NDAR St BE SURROUNDED BY, - SON= _.!S'ILT-FENC I_n r LOTi5 f 0 U. 0 z Uj 0 fn 0 E Uj o'c' ZD Ul Lu LLJ LLJ < LLJ ui uj LLJ CL 0 0 LLJ 48T14 r mr/ FAIN me LOT13\ > V) C) . . . . . . x C\j Q) 10 OT CIA'LiLOT uj Fos \w/ EDS�LOP S SVEEPE Mg PRO IR U3 ED Lt�MltS THAN 3:2 si4ALLZj A LOW PRbP05' Q) BACKI AMAINTENAKE GkOV�413/' STU�BANCE E Gob": COVEP (70.) 0 SCALE V) # 0YEtTI N 50 iloo I 0 25 200 JOB NO. �1! M -2 132091 0 IN FEET SCALE C, )Orly oAlt M T �E�'A8OVE F0 I inch. 50 ft. A :HONEI r 1 =50 R�MAII U) DER O�, D�AIINAGE b�VIDE/ U3 Iz-,,11irnent. Trap design #1 weir length (ft) (6xDA,) V1 YARABL� I drainage area (acres) (<3) bottom of trap elevation (ft) 2.94 trap volumes: bottom trap dimensions: OR CHAL. GROUND ttairizae area, (ache -M, (It 34 volume(cy) 706 999 0 0-0 trap voiume& 2,754 � �11 CHEST OF, STC WEIR 710 2693 7,209 F_*wtiu'n otly area 0%fe wlurne(c0 "Mu me(cYi /Z mw*, 512.7 632 192.0 top width of dam (ft) *1 MAX, WET STORAGE (EXCAVATED) 672 25% 0. 0 f MITER CL4T14 ORIGINAL 448.3 674 3512 6,,0:-.r9 225.1 FILTtER CLOTH QM131NAL COARSE AGGREGATE GLASS I RIPRAP 1736 4E44 14,113 522 GROUNO COARSE AMMOXIT- CLASS I RIPRAP wet storage required (cy) (67*DA) 67;8 56� 24,26-0 EPIS, 5 N FLTITR QDT-H C00!SE AGC31RCOATE CLASS I RIPRAP 1171 wet storage provided at this elevation (cy) % 0 598.00 6679.0 slope of wet storage sides 2:1 558.00 42210 893 600-00 8011.0 2163 hetsb-rag�F_ 62 .4Ur PA.M 1.121-1 4 E acwvfATE -Lae% I ww vet sbrao,,,e reauired (cv) 1.67*DA 1;97.0 dry storage required (cy) (67*DA) 69.0 battGm Gf'sb-rk_- it (M 674.0 crest of stone weir 627.0 %se sbrao.e. prwjded at this elel-et r I (r_Ot 'r 22S1t dry storage provided at this elevation (cy) 322.6 sli:vpe of vet stGrarte-s0as 21 slope of dry storage sides 2:1 top trap dimensions 170'x26 v� r n gt h (ft) (Wvk) 17.6 ,dry sbrw.e: 596.14 bottGm Df trap eledation (ftt 602.50 dr� &I raap, req, 0 red ov) (67' 197.01 bottom trap dmensigis: top Width of dam (ft) Crest af s4one veil available volume before cleanout (cy) (34*DA) dm elevatialri ' tDp of a IA) . 464 ,drv, sbraae pro4ded at this el&ztion (o-,4 4KI 5: tap vidtft of dam (ft) I fy+ sbpez gf dry storaoe saj dea --- bUl trap 104�6Z 1 Sediment Trap design #2 weir length (ft) (6xDA,) V1 YARABL� I drainage area (acres) (<3) bottom of trap elevation (ft) 2.93 trap volumes: bottom trap dimensions: OR CHAL. GROUND elevation (ft) area (sf) volume(cf) volume(cy) 706 999 0 0-0 708 1793 2,754 102.0 710 2693 7,209 267.0 712 3983 13,843 512.7 wet storage: wet storage required (cy) (67*DA) bottom of stone weir (ft) wet storage provided at this elevation (cy) slope of wet storage sides dry storage: dry storage required (cy) (67*DA) crest of stone weir dry storage provided at this elevation (cy) slope of dry storage sides Sediment Trap design #3 drainage area (acres) (<3) 2.69 trap volumes: elevation (ft) area (sf) volume(cf) volume(cy) 628 3396 0 0.0 630 4563 7,9130 293.7 632 5830 18,297 677.7 wet storage: wet storage required (cy) (67*DA) bottom of stone weir (ft) wet storage provided at this elevation (cy) slope of wet storage sides dry storage: dry storage required (cy) (67DA) crest of stone weir dry storage provided at this elevation (cy) slope of dry storage sides weir length (ft) (6xDA,) V1 YARABL� I 630.00 bottom of trap elevation (ft) i,REI-,-[ OF STONE WEIR 196.3 bottom trap dimensions: OR CHAL. GROUND 711.0 top of dam elevation ft) 712 ELM top width of dam (ft) 61 2:1 top trap dimensions 107'x35' 180.2 DRY STORAGE 123'x30' 631.0 WET STORAGE 632 192.0 top width of dam (ft) *1 MAX, WET STORAGE (EXCAVATED) 139'x46 -J (EXCAVATED) MITER CL4T14 ORIGINAL 448.3 WET STORAGE 4' IAAX� 1EXCAVAIE111 FIL R CLOTH OR GR"O ELM FILTtER CLOTH QM131NAL COARSE AGGREGATE GLASS I RIPRAP wet storage: 522 GROUNO COARSE AMMOXIT- CLASS I RIPRAP wet storage required (cy) (67*DA) 69.0 FLFV1 #SrE PLATE 3A3-1 bottom of stone weir (ft) C00!SE AGC31RCOATE CLASS I RIPRAP Sediment Trap design #3 drainage area (acres) (<3) 2.69 trap volumes: elevation (ft) area (sf) volume(cf) volume(cy) 628 3396 0 0.0 630 4563 7,9130 293.7 632 5830 18,297 677.7 wet storage: wet storage required (cy) (67*DA) bottom of stone weir (ft) wet storage provided at this elevation (cy) slope of wet storage sides dry storage: dry storage required (cy) (67DA) crest of stone weir dry storage provided at this elevation (cy) slope of dry storage sides weir length (ft) (6xDA,) 17.6 630.00 bottom of trap elevation (ft) 706 196.3 bottom trap dimensions: 82'x11' 711.0 top of dam elevation ft) 712 196.3 top width of dam (ft) 61 2:1 top trap dimensions 107'x35' Sediment Trap design #3 drainage area (acres) (<3) 2.69 trap volumes: elevation (ft) area (sf) volume(cf) volume(cy) 628 3396 0 0.0 630 4563 7,9130 293.7 632 5830 18,297 677.7 wet storage: wet storage required (cy) (67*DA) bottom of stone weir (ft) wet storage provided at this elevation (cy) slope of wet storage sides dry storage: dry storage required (cy) (67DA) crest of stone weir dry storage provided at this elevation (cy) slope of dry storage sides 180.2 n,H Ofi J-7!* t - SCOTT R. COLLINSZ IAc- No. 35791 z IONAL E Li CD 1'l _YARVIASU* I 630.00 CREST OF STONE WEIR 1.03 01VOINAL GROUND 1 1tf VARVABLE I trap volumes: 2:1 ORIGINAL CREST OF STONE WEIR VAIMLLE' elevation (ft) area (sf) volume(cf) weir length (ft) (&DA) 16.1 basin volumes: (using 2' contour inter\rals) DRY STORAGE VARIAM 180.2 bottom trap dimensions: 123'x30' 631.0 WET STORAGE 632 192.0 top width of dam (ft) *1 MAX, 2:1 (EXCAVATED) 139'x46 -J SEDIMENT BA SIN 'A MITER CL4T14 ORIGINAL 448.3 WET STORAGE 4' IAAX� 1EXCAVAIE111 FIL R CLOTH OR GR"O ELM *SCE PLATE 3.13-1 WET STORAGE COARSE AGGREGATE GLASS I RIPRAP 180.2 n,H Ofi J-7!* t - SCOTT R. COLLINSZ IAc- No. 35791 z IONAL E Li CD 13.091 630.00 drainage area (acres) (<3) 1.03 293.7 1 1tf VARVABLE I trap volumes: 2:1 ORIGINAL CREST OF STONE WEIR VAIMLLE' elevation (ft) area (sf) volume(cf) weir length (ft) (&DA) 16.1 basin volumes: (using 2' contour inter\rals) bottom of trap elevation (ft) 628 180.2 bottom trap dimensions: 123'x30' 631.0 top of dam elevation (ft) 632 192.0 top width of dam (ft) 6 2:1 top trap dimensions 139'x46 Sediment Trap design #4 n,H Ofi J-7!* t - SCOTT R. COLLINSZ IAc- No. 35791 z IONAL E Li CD 13.091 0. drainage area (acres) (<3) 1.03 1 1tf VARVABLE I trap volumes: C12ES1 OF EMERGENCY SPILLWAY ORIGINAL CREST OF STONE WEIR VAIMLLE' elevation (ft) area (sf) volume(cf) volume(cy) r GROUND basin volumes: (using 2' contour inter\rals) < < �g STORM EL 622 146 0 U DRY STORAGE VAR"LE* 624 1375 1,313 48.6 WIN.-- 626 2704 5,318 196.9 -J SEDIMENT BA SIN 'A 628 4133 12,104 448.3 WET STORAGE 4' IAAX� 1EXCAVAIE111 FIL R CLOTH OR 306 554.00 2962.0 WET STORAGE GIGINAL ROUND ELEV, wet storage: 522 aSEE PLATE 3,13-1 COARSE AMMOXIT- CLASS I RIPRAP wet storage required (cy) (67*DA) 69.0 808 WET STORAGE bottom of stone weir (ft) 62500 596.00 5464.0 1171 wet storage provided at this elevation (cy) 122.8 0 598.00 6679.0 slope of wet storage sides 2:1 558.00 42210 893 600-00 8011.0 2163 weir length (ft) (6xDA,) 62 dry storage- 602.00 9450.0 bottom of trap elevation (ft) 622 dry storage required (cy) (67*DA) 69.0 bottom trap dimensions: 146'x1' crest of stone weir 627.0 top of dam elevation (ft) 628 dry storage provided at this elevation (cy) 322.6 top width of dam (ft) 61 slope of dry storage sides 2:1 top trap dimensions 170'x26 Sediment Basin Design 'N n,H Ofi J-7!* t - SCOTT R. COLLINSZ IAc- No. 35791 z IONAL E Li CD 13.091 0. I 0 fn 0MVVY? SPILLWAY 2'4YITHOUT C12ES1 OF EMERGENCY SPILLWAY drainage area (acres) _j 15-69 DESIGN HIG,,wAT R �) z basin volumes: (using 2' contour inter\rals) < < �g STORM EL elevation (ft) contour area (sf) volume(cy) ----------------- 586.00 1671.0 0 WIN.-- RISER CREST 588.00 2049.0 138 SEDIMENT BA SIN 'A CRY STOWE DEWATERING 590.00 2494.0 306 554.00 2962.0 WET STORAGE 592.00 3174.0 522 6" TOPSOIL P-4 594.00 4363.0 808 WET STORAGE 596.00 5464.0 1171 608 Nq CLEANOUT S�%M STORAGE REDUCED 0 34 C.Y,/ ACRE) 0 598.00 6679.0 1620 Lij 558.00 42210 893 600-00 8011.0 2163 10' Z42" J.D.RISER TOP OF ;l r_�� Uj P-1 V) 602.00 9450.0 2809 560.00 5573.0 12�A 0 602.50 9825.0 2988 562.00 7107,0 1723 LLJ wet storage: 564.00 8765.0 2310 wet storage required (cy) (67*DA) Q 1051 design high water 600.95 dewatering orifice elevation (ft) 596.14 top of dam (ft) 602.50 wet storage provided at this elevation (cy) 0 1051 top Width of dam (ft) 10.0 available volume before cleanout (cy) (34*DA) 565YD 533 bottom of basin (ft) 586.0 cleanout elevation (ft) 566.00 593.08 approx. bottom dimensions: 65'x3O' distance from cleanout to orifice (ft) (> 1') 10.0 3.1 upstream face slope: 2:1 bottom of basin (ft) 550.0 cleanout elevation (ft) downstream face slope: 3:1 dry storage: 63'x49' distance from cleanout to orifice (ft) (> 1') 3.7 dry storage required (cy) (67*DA) 2:1 1051 baffles: YES principle spillway crest (ft) 3:1 599.75 length of flow, L (ft) 103 dry storage provided at this elevation (cy) 3: 1051 effective width, We (ft) 76 diameter of dewatering orifice (in) NO 8.0 L / We (baffles required if < 2) 1.4 diameter of flexible tubing (in) (orifice+2") 127 10.0 36 " L D. RISER 1161 effective width, We (ft) 61 diameter of dewatering orifice (in) collars: YES runoff: 2.1 diameter of flexible tubing (in) (orifice+2") depth of water at spillway crest (fft) 13,75 C (use 0.45 for bare earth) 0.45 slope of upstream face (7-1) 2 tc (min) YES 13 slope of barrel (Sb) 0.75% 1 2yr 3.7 Q 2yr 14.00 26.1 length of barrel in saturated zones (Ls) 73 I 25yr 5.4 Q 25yr 2 41.9 number collars required 2 slope of barrel (Sb) 0.75% 1 2yr 37 Q 2yr dimension of collars 5.6x5.6' principle spilWay- 54 1 25yr 5.4 Q 25yr 0 30.5 available head (ft) 2 1.20 emergency spillway: YES diameter riser (in) 5.1'x5.1' 42 required capacity (Q25-Qp) (cfs)) 0.0 spillway capacity, Qp (cfs) 0 41.9 bottom width (ft) 45 diameter trash rack (in) YES 60 slope of exist channel (ft/ft) 15% barrel length (ft) 0.0 88 minimun length of exit channel (ftt) 57 head on barrel through embankment (ft) 75 10.5 crest of spillway (ft) 600.75 diameter of barrel (in) 29% 18 61.5 Sediment Basin Design V n,H Ofi J-7!* t - SCOTT R. COLLINSZ IAc- No. 35791 z IONAL E Li CD 13.091 0. I 0 fn MIN. I• W1:SPILLWAY 2 VYIT"QVT CREST OF EMERGENCY SPILLWAY drainage area (acres) _j 17.13 DESIGN HIGH WATER 0 basin volumes: (using Z contour intervals) < < .125 -YR. ST0,9M ELEV.) elevation (ft) contour area (sf) volume(cy) 0 U 550.00 2062,0 0 -------- MIN. 1.0' ---------- RISER CREST 552.00 2491.0 168 SEDIMENT BA SIN 'A DRY ' STORAGE . .... DEVICE DEWATFIRINC; 554.00 2962.0 370 _j 6" TOPSOIL P-4 0 WET STORAGE 0 E 556.00 3474.0 608 0 C'4 t Lij 558.00 42210 893 LZL, wLIJ 10' Z42" J.D.RISER TOP OF ;l r_�� Uj P-1 V) (D z 560.00 5573.0 12�A 0 SMMC.NT Ct,8ANOUy PONT WET - STORACE REOUCED TO 34 C.Y,/ ACRE) 0 562.00 7107,0 1723 LLJ 0 0 564.00 8765.0 2310 Q 566.00 10522.0 3023 wet storage: 0 (D 0 wet storage required (cy) (67*DA) 1148 design high water 565YD dewatering orifice elevation (ft) 559.41 top of dam (ft) 566.00 wet storage provided at this elevation (cy) 1148 top width of dam (ft) 10.0 available volume before cleanout (cy) (34*DA) 582 bottom of basin (ft) 550.0 cleanout elevation (ft) 555.71 approx. bottom dimensions: 63'x49' distance from cleanout to orifice (ft) (> 1') 3.7 upstream face slope: 2:1 REQUIRED -= 599.75' 1' SCARIFIED KEY downstream face slope: 3:1 dry storage: LU U) 3: dry storage required (cy) (67*DA) 1148 baffles: NO principle spillway crest (ft) 564.00 length of flow, L (ft) 127 dry storage provided at this elevation (cy) 36 " L D. RISER 1161 effective width, We (ft) 61 diameter of dewatering orifice (in) 8-0 L I We (baffles required if < 2) 2.1 diameter of flexible tubing (in) (orifice+2") 10.0 6 25 YR. STORM 1.0' MIN. Y EMERGENCY SPILL WA Y collars: YES runoff: depth of water at spillway crest (,ft) 14.00 C (use 0.45 for bare earth) 0.3 slope of upstream face (Z 1) 2 to (min) RISER TOP ELEV.�564.00' 1. 0' MIN. 13 slope of barrel (Sb) 0.75% 1 2yr 37 Q 2yr 19.0 length of barrel in saturated zonEa (Ls) 54 1 25yr 5.4 Q 25yr 0 30.5 number collars required 2 dimension of collars 5.1'x5.1' principle spillway: 1' SCARIFIED KEY 0 0 available head (ft) 1.00 emergency spillway: YES diameter riser (in) 36 required capacity (Q25 -0p) (cfs) 0.0 spillway capacity, Op (cfs) 30.5 bottom width (ft) 75 diameter trash rack (in) 54 slope of exist channel (ft/ft) 29% barrel length (ft) 61.5 minimun length of exit channel (ft) 24 head on barrel through embankment (ft) 7.5 crest of spillway (ft) 564.00 diameter of barrel (in) 18 SEDIMENT TRAP #2 ZSCALE 1"=30') X X X I+Ii % X SEDIMENT TRAP *2 z 10 ) )< OD it 18'W6E PROP16-D STONE WEIR !07X35- TOP DIMENS16NS, 82'x11' BOTTOM DIMENSIONS -AS NIX w1c, SEDIMENTB _GE ID _KS VARy2:1 FROM DRY-STORA SLIJPES�2:1 V 1 'FLATTER, AS SHOW1 OR 0 tji�q S 'LL kip M 'T L' -A. RJEGRA 41� PE OK,BAS 1-61-AID109EREE A OIT!F-- N \-`,042`CL.AIr_RCP_1'_; .. . . . . . . . . . 087-�PEW T 0 C �x, E�ING)? J��ME INVER.TF:f59534 % 45I>GR,4,$S'LIN8y. A4WY CREST t t. E OUiLET PROTECTION, SEE -SWIM DETAI FOR ADD AL INFerMMATION POSE P- VDOT STD. EW -1 PC 8 018 CL. Rcl� BAF SLOPE=O 5% INVERT�=5 5 &/L&/ JOB NO. n,H Ofi J-7!* t - SCOTT R. COLLINSZ IAc- No. 35791 z IONAL E Li CD 13.091 0. 0 fn SCALE z _j 0 z < < 0 W M 0 U U O UJI kD 1-1 ko �4 W SEDIMENT BA SIN 'A z _j 6" TOPSOIL P-4 0 0 E __j 0 ,-EXISTING GROUND NTS 0 C'4 t Lij Uj 0 LZL, wLIJ 10' Z42" J.D.RISER TOP OF ;l r_�� Uj P-1 V) (D z F- LZ 0 U) wCt) 0 DAM ELEV. =602,�iO� v11 TRASH RACK r M %,of LLJ 0 0 Q _ 25 YR. STORM 1.0' MIN. EMERGENCY SPILL WA Y �-=605.755' - cc 0 (D 0 ELEV. CREST ELEV=600,75 0 0 U) i I RISER TOP El EV. �599,75' 1.0' MIN. H X W Q) DRY VOLUME ELEV. SEDIMENT BASIN C Ul REQUIRED -= 599.75' 1' SCARIFIED KEY 6" TOPSOIL Q) E LU U) 3: 8" DIA. DEWATERINGFOR SOIL COHESION z 0 C) 6 U) DEVI NV OUT -A 36 " L D. RISER .> In :3 TOP OF DAM ELEV =566.00'110 X ur-STTh 588.59' M TOE OF DAM Ce 6 25 YR. STORM 1.0' MIN. Y EMERGENCY SPILL WA Y (y) 'TL -EV :565._(F0' -CY5 CREST ELEV =564.00 Q) > RISER TOP ELEV.�564.00' 1. 0' MIN. U C 0 FOUNDATION, SEE OUTLET PROTECTION 0 Z LLJ 2: 0 SWM DESIGN FOR OTTOM OF BASIN SEE SWM DESIGN 1' SCARIFIED KEY 0 0 8 DIA DEWA TERINGFOR ELEV. = 586.00 CLAY CORED DAM > z Uj Ce -Ij V 1 t> !J DEVI 1 INV. OUT KEYED INTO THE LU 0� U) 556.001 INV IN = 589.25' EXISTING GROUND a UPSTREAM TOE OF DAM ELEV= 550.00 18" CL. III RCP z (A 0_ LU (2,) 6.3 X 6.3' CONCRETE LENGTH=88.0' > CONCRETE FOUNDARON, SEE OUTLET PROTECTION SEE SWM DESIGN C) -140 d201,11 ANTI -SEEP COLLARS SLOPE =0.75% SWM DESIGN FOR DETAILS. CLAY CORED DAM W BOTTOM OF BASIN INV IN = 556.46'KEYED ELEV. = 550.00 (2) 5.1 X 5.1' CONCRETE EXISTING cc LLJ u) ANTI -SEEP COLLARS 18" CL. III RCP 0 LENGTH=61.50' 0 > SLOPE=0.75% - O Ljj Uj C JOB NO. 0 13.091 0. 0 fn SCALE _j 0 z < < 0 M 0 U U O UJI kD 1-1 ko �4 W z Uj P-4 0 0 E Ul W 0 C'4 t Lij Uj 0 LZL, wLIJ cC Uj P-1 V) (D z F- LZ 0 U) wCt) LIJ r M %,of LLJ 0 0 cc 0 (D < 0 0 U) C\j X W Q) SEDIMENT BASIN C Ul O 6" TOPSOIL Q) E LU U) 73 EXISTING GROUND NTS C) 6 10,36" 36 " L D. RISER .> In :3 TOP OF DAM ELEV =566.00'110 al TRASH RACK 6 25 YR. STORM 1.0' MIN. Y EMERGENCY SPILL WA Y (y) 'TL -EV :565._(F0' -CY5 CREST ELEV =564.00 Q) > RISER TOP ELEV.�564.00' 1. 0' MIN. 0 DRY VOLUME ELEV. REQUIRED - 56J. 95' 1' SCARIFIED KEY 8 DIA DEWA TERINGFOR SOIL COHESION co -Ij V 1 t> !J DEVI 1 INV. OUT U) 556.001 0 Q_ UPSTREAM TOE OF DAM ELEV= 550.00 z (A 0_ CONCRETE FOUNDARON, SEE OUTLET PROTECTION SEE SWM DESIGN C) -140 d201,11 SWM DESIGN FOR DETAILS. CLAY CORED DAM W BOTTOM OF BASIN INV IN = 556.46'KEYED ELEV. = 550.00 (2) 5.1 X 5.1' CONCRETE EXISTING INTO THE GROUND LLJ u) ANTI -SEEP COLLARS 18" CL. III RCP 0 LENGTH=61.50' > SLOPE=0.75% - Ljj Uj 0 0 z L LJ L_ I JOB NO. 0 13.091 0. 0 fn SCALE _j 0 z < < 0 M U U O F-0 W z Uj P-4 0 0 E Ul W 0 z Lij Uj 0 LZL, wLIJ cC Uj P-1 V) (D z F- LZ 0 U) wCt) LIJ r M %,of LLJ 0 0 cc (D < 0 0 U) C\j X W Q) Uj Ul tu- Q) E LU U) 0 _U JOB NO. 13.091 0 fn SCALE AS SHOWN SHEET NO. III -a II Tt STORM'WATI:-:R MANAGEMENT NARRATIVE --- - ---- --- a A CLUSTEFZ 5EVELOPMENT THAT MINIMIZES LAND DISTURBANCE AND MAXIMIZES OPEN SPACES AND LAND & STREAM BUFFER PRESERVATION, THE DEVELOPMENT PRE -DEVELOPMENT SCENARIO THE PROPOSED PLAR�UTFTLI POST- DEVELOPMENT SCENARIO I'ACHIEVES WATER QUALITY COMPLIANCE THROUGH THIS EXTENSIVE LAND PRESERVATION. THE PLAN ALSO IMPLEMENTS CREATIVE DESIGNS WITH THE ROAD/LOT LAYOUTTO MINIMIZE ITS . ....... -- - --- ----- END I IMPERVIOUS FOOTPRINT AND TO MINIMIZE THE AMOUNT OF GRADING & DISTURBANCE REQUIRED FOR DEVELOPMENT. THE IESULT IS A DEVELOPMENT THAT DOES NOT REQUIRE FURTHER PHOSPHOROUS REMOVAL. PLEASE SEE THE ATTACHED VRRM CALCULA11ONS FOR EVIDENCE OF THIS COMPLIANCE. Total Proposed Imp. Area Breakdown 028" CW CUL-VEff[-. THIS DEVELOPMENTALSO UTILIZES ENVIRONMENTAL SITE DESIGN (ESD) TECHNIQUES AND PRACTICES IN ACCORDANCE WITH THE JULY 2013 DRAFT VSMH. THE STORMWATER MANAGEMENT DESIGN ERT- 08"CMP`CULV CONCEPT WAS INTEGRATED EARLY IN THE SITE PLANNING AND DESIGN OF THIS DEVELOPMENT. THIS IS EVIDENT IN THE ALIGNMENT OF THE ROADS HORIZONTALLY AND VERTICALLY TO REDUCE -[Residences (6,000sf Lot) 96,000 sf Total= 178,395 sf D6Wf4SLcW GRADING IMPACTS, PLEASE SEE THE ATTACHED STORMWATER MANAGEMENT CALCULATIONS PACKET FOR ADDITIONAL INFORMATION ON WATER QUALM COMPLIANCE. — ----- 1:11 QUANTITY COMPLIANCE WILL BE MET THROUGH THE USE OF DETENTION FACILITIES LOCATED WITHIN SUBAREAS A & C. THESE DETENTION FACILITIES WILL NOT BE REQUIRED TO STORMWAT ADHERE TO DEQ's POST -CONSTRUCTION VIRGINIA STORMWATER BMP CLEARINGHOUSE REQUIREMENTS DUE TO THE AFOREMENTIONED WATER QUALM COMPLIANCE THROUGH LAND PRESERVATION. S Subarea A Proposed Imp. Area Breakdown I Mtbt: FACILITIES WILL BE USED FOR WATER QUANTITY COMPLIANCE, Road 24,300 sf IN CFO. 27,000 sf ISubarea B Proposed Imp. Area Breakdown 11,515 sf 00 [Lo t Total= 11,515 sf NZ IFINAL LC -=O Subarea C Proposed Imp. Area Breakdown of-/ Road I36,300 sf \�O IELf > / - R L NG FL OF61 F 4�0a'OF DIT Subarea D Proposed Imp. Area Breakdown FtNAt Tc -o.26 Road ItSubarea E Proposed Imp. Area Breakdown _1E Road BAREA TO Ic Lots 1-3 (Full) and 4 (Half) 21,000 sf Total= 31,280 sf General Construction notes for Stormwater Management Plans WATERSHED SUMMARY Pre -Development Post- Development l. All dorna and constructed MU to be within 85% of rnoxirnurn dry dmnaity and 2% of optimum moisture content. All fill material to be approved by O geotechnical engineer. /\ geotechnical engineer is fo be present during o t ti f d �. Pipe and hamr fo ona to be watertight within oforn1vYoter °\ -----~'� ` >Wunogannent facilities. 3' For temporary sediment �opo or basins which �a to be converted ~^~ to permanent stunnwoter management facilities; conversion is not to take place until the site is stabilized, and permission has been I�A r -.CN Area, ac. 1 -year Flow, 2 -year Flow, CN Area, a c. 1 -year Flow, 2 -year Flow, KS — 4vvobtaineC Trorn The County erosion control inspector./ /' -~- ' // // '``� '/ `-' \`\------- Tota/=14680 0l�A� 93.67' Total= 14680 5431 69.00 � SHEET NO 9 DAV 56.7 79.40 20.06 26.82 — 4vvobtaineC Trorn The County erosion control inspector./ /' -~- ' // // '``� '/ `-' \`\------- Tota/=14680 0l�A� 93.67' Total= 14680 5431 69.00 � SHEET NO 9 - y�- -- - - - y- y __ - G[ZAi3D, EARTHEN-.,. ! _ ACCESS ROAD r -- '` ' - ITICAL I, ! C0IJNTY DEFINED CR SI.OPE5T0REMAIN ' "11, - I� = UNDISTURBEL3 (TVP.) ti 1_ 'c� TO [�EITF FLOTATION 3' ': fSE J AND BARB CflNNECT1014HA1 _ .T- OAt2 NI F R LY-E[�ED DED 6 INTI 1 M J ND Pd K RF011+) THTC CONC �4IIT' A «_,, i $ 75=* X75, AND I5 SttFt11U B N OIN [ iT THE BAS! LM S(}F r ' ` 211, T `, :.;i ' PI2L�PflSD aEL o UUi s I 11 �'OF DAM 02 b . ,r. ;i �' ,PRS)PL14o, fe?F f . li[ }� P .- c''- , i �_- E V.- 8".2 �,r,v, QQ ��ryry -51 7 f, [.1 ,` r / - / 585 1 PROPOSED 01$" BAf� EL L R 88 ( ,f RREL CO;MINECTIOhI SHALL BE FIRMLY 6" lNTCr A REIN( I ACED a8" THICK C 8 ' �QIJNDA TION THA IS 8. AN I , � D 585 GRADE ,1 ' =5 925, 1 BELOW "THE LIM TS OF THE BASIN C RADING. 1 h :' f `,,'y DETENTION BASIN 'A' (SCALE 1"=30') r' / w J i' 1 i. „- ".SZ � / ..yl �2 r ; SWALE & LEVEL SPREADER PLAN DETAIL (SCALE 1"=30') i r- Q+Ott ` } ©L=12 r /, EC -2 VDOT #3 COARSE AGGREGATE (3` NTS LONG) IN GALVANIZED WIRE MESH �--- PROPOSED VARIABLE - ' / BASKET THAT IS SECURED TO'THEj ; J EXITING GROUND WITH STAPLE5� WIDTH DRNG. ESMT. / FOR PUBLIC USE RIGID LEVEL LIP SHALL BE ENTRE ED 2" MIN. INTO EX. GROUND & SECURE Y `\, X / ANCHORED w/ #,,&,REBAR __ 6 o.00 -TOP 6z .00- LOW 6 o.00- TOP 6 o3�TOP i-2+00 62q.20-SWALE C/ -- `62 i .---2-t-5�}� s ox PROPERTY LIMITS j' MIN.— UNDISTURBED SOIL 655 1+00 20 LONG RAILROAD TIE OR SOLID 6")(6" / o TREATED) TIMBER RIGID LIR,S HALL $E``. / w LEVEL YO ENSURE PROPER LEVEL\ ;PRDING. RIGID LIP TOP ELEV."(64o.o0)/ PROEiQ 22" ABOVE LOW POIN-Pbk \ LEVEL SPREADER. 0+50 1+00 1+50 2+00 2+50 3+001 3+50 4+00 4+50 5+00 5+50 6+00 6+50 7+00 7+50 8+00 8+50 9+00 1"=s' (V)) 1"=50' (Hl) LOTS 11-13 REAR YARD SWALE PROPOSED LEVEL SPREADER DETAIL (NOT TO SG4LE) PROPOSED 1a" DEEP DEPRESSION (o.6' DEEP MIN.) 2o' LONG RAILROAD TIE OR SOLID 6"x6" TREATED TIMBER RIGID LIP 630.00 TOP SHALL BE LEVEL TO ENSURE PROPER LEVEL SPREADING. RIGID LIP TOP 2:1 OR ELEV. (630.00) PROPOSED 12" ABOVE LOW POINT OF LEVEL SPREADER. FLATTER VDOT #3 COARSE AGGREGATE & LONG) IN GALVANIZED WIRE MESH---.-__..-__ BASKETTHAT 1S SECURED TO THE EXITING GROUND WITH STAPLES s y 630. RIGID LEVEL LIP SHALL BE ENTRENCHED z" ----1N 624 MIN. INTO EX. GROUND & SECURELY 7' MIN. 3' 7' z' ANCHORED w/#5 REBAR o.5' sa.5` 7' MIN. UNDISTURBED SOIL 0+50 1+00 1+50 2+00 2+50 E I"=5a' (H) LOT 3.6 S ALE. 19W 3.21 680 ; j _� I j _ j j j I XISTING GRADE i �. L .uTL �� Hh4F.aw.Y't}b}� f ! ! j 1680 l 705 'ED 705 , yt j _ LEVEL UP 700 - _-- j i. ! -ITCH. ROPO LEVEL SPREADER WITH VEGETATED LIP i I V1-3.35!C=PS S=10(7% - - ..._ .f -- - -------- -= i.. ' --- _ - ----- -CSL - --- -I- - -------' ------- . -....j.. 695 I - .... - _ .-----------------------._-. .. _. ^ ¢ }LTH WIPE STh S S� 5 d[9AR TO t 675 ! aL-=�z• C° ca'° ? I ; i j 675 - -._..-_...-. --- -- GRASS - CFS Q,� (- imCFS iV2-2.36 LEVEL SPREADER WITH R161D LIP CIDL ---....- - -Q3=4.76 Sours a. DSWC •and N,C. Eit9 'tYq kiI1d S�t�8iT1e}il � tatr sl F'l nxlan n l Lies r n Manual Phte 121-2 III - 195 670 E D, 0.82! FPS S=o., FT D ,a 0%Cv 0.91 FT _j 44.76 Q CFS 0, 6.30 CFS --- — �— 1 670 -------- - - ------- --- - — -- - -------- ------ - -- , p j V 1-4.69 D, 0.57 � FPS S=:O FT D ,: --- - --- j 80% 0.65 FT - - - -- - j -- ; E - - - i - -- 665665 I � i f 662 662 °'.t w w `�' �' LO Lr) Oi 0 00 dam. a m °7 � 0; r- r' m � � ai °' r � © ai r- �f co r_' cd r- �' `� r- cC°v 4 CO r- (° ¢ (6 c0 Wi cc Q0 ca (0 cfl cis �� cca Q0 (D 0+50 1+00 1+50 2+00 2+50 E I"=5a' (H) LOT 3.6 S ALE. 19W 3.21 710 LEVELSTREADER ENER (L=i(,', ;\ n ,DOWNS i Y DISSIPATER D=2', W,�4') REAM OF STR. s CROSS SECTION j �. L .uTL �� Hh4F.aw.Y't}b}� f $T LtDPd�i_EhT b a Sl',>iPt.ED Iii P3.h�:E�� _—"-__-a',araWal,F (W}T_ ?°} - 1 � l 705 j 705 , yt E LEVEL UP 700 j ! :t NT I t LEVEL SPREADER WITH VEGETATED LIP i CROSS SECTION V1-3.35!C=PS S=10(7% 45) COARSE AGCREGAT'E IM 7,; I C LSIANIZ-m WIRE i SECURE WIRE a E5H TO llklaER 6X6. T�7*.TED rIMBER FT - - I FIs.?€R CLOTH 7 w w 695 SE t RE WIRE TO -DRO_7Fd0 O C34 _ o LO C0 O-) ^ ¢ }LTH WIPE STh S S� 5 d[9AR TO t SEC TIMBER I s C° ca'° I _ � °-20 OR OIL f ATT? F LEVEL SPREADER WITH R161D LIP v )AW PWSICA, RFQUITi;nMEws 0f 'PETER C!01Pi NO`E7 V STC. F SPEC. 3.13. PIs P 3 Sours a. DSWC •and N,C. Eit9 'tYq kiI1d S�t�8iT1e}il � tatr sl F'l nxlan n l Lies r n Manual Phte 121-2 III - 195 1 3+00 3+50 3+75 STR. 8 OUTFALL SWALE PLAN DETAIL (SCALE 1"=30') ©L=12 0+00 SAX ` LiW_TSZ, PROPbSED VARIABLE - WFORB UTLIICUSEG. T�1 v i 715 715 0+50 1+00 1+50 1,, ,a'{H)) STR. 8 OUTFALL SWALE 1 SCOTT R. COLLINS Z lAc. No. 35791 S�ONAL z c� Ih 710 ,E:XISTIN�b GRADE( } ENER (L=i(,', ;\ n ,DOWNS i Y DISSIPATER D=2', W,�4') REAM OF STR. s � j 710 PROPOSED DITCH C/L �. l 705 j 705 DL=12 �EC-2 E � 700 j ! 1 Q 1= 1.831 CFS Q,8= j .40 CFS 700 V1-3.35!C=PS S=10(7% D i=0.41 FT D ,d- p.47 -- _ - FT - - I 7 w w 695 O a Q O C34 _ o LO C0 O-) 695 �t 6 wi�_ r r� C° ca'° 0+50 1+00 1+50 1,, ,a'{H)) STR. 8 OUTFALL SWALE 1 SCOTT R. COLLINS Z lAc. No. 35791 S�ONAL z c� Ih z Li V) z 0 0 0 v 0 U 3 U) m v L x x v Q) O .3 a� c a c 0 U 0 U O a c c 0 v m 0 U O E 0 c a , D U L W 0 0 0 T O a 4- v CL v CLO Va i_4 c a > LLj a o u0 Q U. N U O N O � O 0 Z c: T 0 L o Lu z iL W Luz LLJ z z J 0 0 0 L Q O a cn Q� 0 x Q) Q) s_ N uj a #- cn Q) ul E U tl tip 0 JOB NO. 132091 o to SCALEa AS SHOWN SHEET NO. 0- v t- • z Li V) z 0 0 0 v 0 U 3 U) m v L x x v Q) O .3 a� c a c 0 U 0 U O a c c 0 v m 0 U O E 0 c a , D U L W 0 0 0 T O a 4- v CL v CLO Va i_4 c a > LLj a o u0 Q U. N U O N O � O 0 Z c: T 0 L o Lu z iL W Luz LLJ z z J 0 0 0 L Q O a cn Q� 0 x Q) Q) s_ N uj a #- cn Q) ul E U tl tip 0 JOB NO. 132091 o to SCALEa AS SHOWN SHEET NO. 0- v t-