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HomeMy WebLinkAboutWPO201000042 Plan - Approved 2010-07-13EROSION SETBACKS.• 0 = 0] 0 0 j A I I - ;k I -in 0 - -or M I -_ M I k 1A I I I ____ ___ 1 4 f. 4 CONTROL AND STORM WATER SAMUEL MILLER DISTRICT ALBEMARLE COUNTY, VIRGINIA GENERAL NOTES EROSION CONTROL PLAN DEVELOPER: PIPPIN HILL FARM VINEYARD, LLC REAR YARD SETBACK (FROM P /L): 35 FEET IMPERVIOUS COVER. CHARLOTTESVILLE, VA 22901 EROSION CONTROL NOTES & DETAILS OWNER: EDGE VALLEY PRESERVATION, LLC AMOUNT OF ONS/TE IMPERVIOUS AREA: 1.18 ACRES CURB & GUTTER PO BOX 1311 WATERSHED: NORTH FORK HARDWARE RIVER HOT SPRINGS, VA 24445 PROVIDED BY ROUDABUSH & GALE, TOPOGRAPHIC SURVEY (DECEMBER, 2005 AND FIELD VERIFIED JUNE 2010.) ENGINEER. COLLINS ENGINEERING BENCHMARK. NAIL IN TREE -AT SOUTHWEST PORTION OF SITE - ELEVATION. 701.42.' 800 E. JEFFERSON STREET TREES AS SHOWN PHASING. CHARLOTTESVILLE, VA 22902 CRI77CAL SLOPE. TOTAL AREA WITH CRITICAL SLOPES. 0.58 ACRES TELEPHONE: (434)293 -3719 % OF PROPERTY WITH CRITICAL SLOPES- 1.4% DR/ VEWA Y CUL VERT FAX. (434)245 -0300 APPROVED % OF TOTAL CRITICAL SLOPES IMPACTED: O% , CONTACT- MR. SCOTT COLLINS, P.E. EMAIL: /lins- � the C�I�d y HISTORIC STRUCTURES, • scott@co engineering.com EXISTING CONTOUR 200 PROPOSED CONTOUR Communhy Devei�J me pt DaparWW PRE - APPLICATION CONFERENCE. JUNE 2010 Date _ _q Zq TD TAX MAP NO.: 86 -88, EDGE VALLEY PRESERVATION, LLC File ----� � 1; 4;t:5>0 A!2 ACREAGE: 41.08 ACRES 3.30 ZONING: RA, RURAL AREAS USE.- FARM WINERY DC BUILDING HEIGHT MAXIMUM BUILDING HEIGHTS SHALL NOT EXCEED 35 FEET. 3.39 SETBACKS.• 0 = 0] 0 0 j A I I - ;k I -in 0 - -or M I -_ M I k 1A I I I ____ ___ 1 4 f. 4 CONTROL AND STORM WATER SAMUEL MILLER DISTRICT ALBEMARLE COUNTY, VIRGINIA H.AINTENANCE:- IN GENERAL, DURING CONSTRUCTION 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 ATTENTION WILL BE GIVEN TO THE FOLLOWING ITEMS.• a. SEDIMENT BASINS AND /OR TRAPS WILL BE CLEANED AND MAINTAINED IN ACCORDANCE WITH THE VIRGINIA EROSION & SEDIMENT CONTROL HANDBOOK. b. ALL GRA VEL OUTLETS WILL BE CHECKED REGULARL Y FOR SEDIMENT BUILDUP THA T 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 SEDIMENT DEPOSITION REACHED HALF WAY TO THE TOP OF THE BARRIER. d. ALL SEEDED AREAS WILL BE CHECKED REGULARLY 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 CONTRACTOR ON SITE. THE CONTRACTOR WILL BE DETERMINED AT THE TIME THE CONTRACT IS AWARDED. IN ADDITION THE ENGINEER MAY BE CONTACTED, SCOTT COLLINS, PE AT 434- 293 -3719. UPON COMPLETION OF THE PROJECT, THE OWNER WILL BE RESPONSIBLE FOR SITE MAINTENANCE. CONSTRUCTION ENTRANCE - THE ENTRANCE SHALL BE MAINTAINED IN A CONDITION WHICH WILL PREVENT TRACKING OR FLOW OF MUD ONTO PUBLIC RIGHTS -OF -WAY. THIS MAY REQUIRE PERIODIC TOP DRESSING WITH ADDITIONAL STONE OR THE WASHING AND REWORKING OF EXISTING STONE AS CONDITIONS DEMAND AND REPAIR AND /OR CLEANOUT OF ANY STRUCTURES USED TO TRAP SEDIMENT. ALL MATERIALS SPILLED, DROPPED, WASHED, OR TRACKED FROM VEHICLES ONTO ROADWAYS ON INTO STORM DRAINS MUST BE REMOVED IMMEDIATELY. THE USE OF WATER TRUCKS TO REMOVE MATERIALS DROPPED, WASHED, OR TRACKED ONTO ROADWAYS WILL NOT BE PERMITTED UNDER ANY CIRCUMSTANCES. SILT FENCES - SILT FENCES SHALL BE INSPECTED IMMEDIATELY AFTER EACH RAINFALL AND AT MA IMMEDIATELY. LOSE LEAST DAILY DURING PROLONGED RAINFALL. ANY REPAIRS SHALL BE DE EL C ATTENTION SHALL BE PAID TO THE REPAIR OF DAMAGED SILT FENCE RESULTING FROM END RUNS AND UNDERCUTTING. SHOULD THE FABRIC ON A SILT FENCE DECOMPOSE OR BECOME INEFFECTIVE PRIOR TO THE END OF THE EXPECTED USABLE LIFE AND THE BARRIER STILL BE NECESSARY, THE FABRIC shall BE REPLACED PROMPTLY. SEDIMENT DEPOSITS SHOULD BE REMOVED AFTER EACH ELY ONE-HALF STORM EVENT. THEY MUST BE REMOVED WHEN DEPOSITS REACH APP ROXIMAT E HAL F THE HEIGHT OF THE BARRIER. ANY SEDIMENT DEPOSITS REMAINING IN PLACE AFTE R THE SILT FE NCE IS NO LONGER REQUIRED SHALL BE DRESSED TO CONFORM WITH THE EXISTING GRADE, PREPARED AND SEEDED. DIVERSION - BEFORE FINAL STABILIZATION, THE DIVERSION SHOULD BE INSPECTED AFTER EVERY RAINFALL AND AT LEAST ONCE EVERY TWO WEEKS. SEDIMENT SHALL BE REMOVED FROM THE CHANNEL AND REPAIRS MADE AS NECESSARY. SEEDED AREAS WHICH FAIL TO ESTABLISH A VEGETATIVE COVER WILL BE RESEEDED AS NECESSARY. SEDIMENT TRAP /SEDIMENT BASINS - SEDIMENT SHALL BE REMOVED AND THE TRAPS AND BASINS RESTORED TO ITS ORIGINAL DIMENSIONS WHEN THE 'SEDIMENT HAS ACCUMULATED TO ONE HALF THE DESIGN VOLUME OF THE WET STORAGE. SEDIMENT REMOVAL FROM THE BASIN SHALL BE DEPOSITED IN A SUITABLE AREA AND IN SUCH A MANNER THAT IT WILL NOT ERODE AND CAUSE SEDIMENTATION PROBLEMS. FILTER STONE SHALL BE REGULARLY CHECKED TO ENSURE THAT FILTRATION PERFORMANCE IS MAINTAINED. STONE CHOKED WITH SEDIMENT SHALL BE REMOVED AND CLEANED OR REPLACED. THE STRUCTURE SHOULD BE CHECKED REGULARLY TO ENSURE THAT IT IS . STRUCTURALLY SOUND AND HAS NOT BEEN DAMAGED BY EROSIONS OR CONSTRUCTION EQUIPMENT. THE HEIGHT OF THE STONE OUTLET SHOULD BE CHECKED TO ENSURE THAT ITS CENTER IS AT LEAST 1 FOOT BELOW THE TOP OF THE EMBANKMENT. CHECK DAMS -CHECK DAMS SHOULD BE CHECKED FOR SEDIMENT ACCUMULATION AFTER EACH RUNOFF PRODUCING STORM EVENT. SEDIMENT SHOULD BE REMOVED WHEN IT REACHES 1/2 OF THE ORIGINAL HEIGHT OF THE MEASURE. REGULAR INSPECTIONS SHOULD BE MADE TO INSURE THAT THE CENTER OF THE DAM IS LOWER THAN THE EDGES. EROSION CAUSED BY HIGH FLOWS AROUND THE EDGES OF THE DAM SHOULD BE CORRECTED IMMEDIATELY. ALL INLET PROTECTIONS, SILT TRAPS, AND SEDIMENT BASINS WILL BE CHECKED DAILY AND AFTER EACH SIGNIFICANT RAINFALL TO ENSURE SEDIMENT HAS NOT ACCUMULATED. IF SEDIMENT HAS ACCUMULATED, CONTRACTOR SHALL REMOVE THE SEDIMENT BASIN AND RESTORE THE EROSION CONTROL MEASURE TO ITS ORIGINAL CONDITION. THE DIVERSION DIKES WILL BE CHECKED DAILY AND AFTER EACH SIGNIFICANT RAINFALL TO ENSURE THE BERM DIVERTS DRAINAGE PROPERLY AND TO ENSURE THE THE DITCH MAINTAINS POSITIVE DRAINAGE. IF THE BERM IS BREACHED AND /OR THE DITCH ACCUMULATES SEDIMENT PREVENTING IT FROM MAINTAINING POSITIVE DRAINAGE, THEN THE CONTRACTOR SHALL RESTORE THEM TO ITS ORIGINAL CONDITION. . 1, EROSION CONTROL NOTES & NARRATIVE PURPOSE., THE PURPOSE OF THE LAND DISTURBING ACTIVITY IS TO DEVELOP A FARM WINERY INCLUDING VINEYARDS, A TASTING ROOM, AND A SPECIAL EVENTS BUILDING ON THE PROPERTY. APPROXIMATELY 27.8 AC. WILL BE DISTURBED. EXISTING SITE CONDITIONS.- THE EXISTING SITE IS PREDOMINANTLY AN OPEN FIELD WITH THE NORTHEAST PORTION OF THE SITE WOODED WITH MATURE PINES AND HARDWOOD TREES. THERE IS AN EXISTING STREAM ALONG THE WESTERN PROPERTY LINE WHICH DRAINS INTO THE SOUTH BRANCH CREEK ON THE OTHER SIDE OF PLANK ROAD. THE GROUND SLOPES FROM NORTHEAST TO SOUTHWEST AND THERE IS APPROXIMATELY 150' ELEVATION DIFFERENCE OVER THE 40+ ACRE PARCEL. THE DRAINAGE FROM THE SITE ENTERS THE CREEK ALONG THE WESTERN PROPERTY LINE AND. CROSSES UNDER PLANK ROAD TO THE SOUTH BRANCH CREEK. THERE ARE NO EXISTING FLOOD PLAINS OR WATER PROTECTION BUFFERS ON THE PROPERTY. THE PLAN IS SHOWING A 100' STREAM BUFFER. NONE OF THE LAND DISTURBANCE ACTIVITIES WILL BE CLOSE TO THE EXISTING FLOODPLAIN OR STREAM BUFFERS. ADJACENT AREAS: THE PROPERTY IS BOUNDED BY THE REMAINING LOTS OF BUNDORAN FARMS TO THE NORTH AND WEST. THERE IS SOME EXISTING RA SINGLE FAMILY RESIDENCES TO THE EAST OF THE PROPERTY. PLANK ROAD BORDERS THE SOUTHERN PROPERTY LINE, WITH FARM LAND ACROSS THE ROAD FROM THE PROJECT. ROUTE 29 IS 114 MILE TO THE EAST OF THE PROPERTY. OFFS/7E LAND DISTURBANCE.• ALL LAND DISTURBING ACTIVITIES SHALL OCCUR ON -SITE AND WITHIN THE LIMITS OF THE PROJECT. THERE IS NO OFFSITE LAND DISTURBANCE PROPOSED. THE SITE ALSO BALANCES, AND NO DIRT WILL BE IMPORTED OR EXPORTED FROM THE SITE. CRITICAL AREAS: THERE ARE AREAS OF CRITICAL IMPORTANCE ON THE SITE. CRITICAL AREAS WITH STEEP SLOPES GREATER THAN 4:1 HAVE BEEN IDENTIFIED ON THE EROSION AND SEDIMENT CONTROL PLAN. THESE SLOPES ARE PREDOMINATELY WITHIN THE WOODED AREAS AND ALONG THE STREAM BANKS. NONE OF THE CRITICAL SLOPES ON THIS PROJECT ARE PROPOSED TO BE IMPACTED. ALL OF THESE AREAS ARE PROTECTED AND LOCATED OUTSIDE OF THE LIMITS OF DISTURBANCE FOR THE PROJECT. TREE PROTECTION FENCING SHALL BE USED AS SHOWN ON THE PLANS TO PROVIDE ADDITIONAL MEASURES OF PROTECTION. MLS, SEE SOILS DESCRIPTION CHART THIS SHEET AND SOILS DELINEATIONS ON THE EROSION AND SEDIMENT CONTROL PLAN PHASE I SHEET. SEQUENCE OF CONSTRUCTION: 1, NOTIFY THE ALBEMARLE COUNTY TO SCHEDULE A PRE - CONSTRUCTION MEETING AS REQUIRED. 2. NO EROSION CONTROL MEASURES MAY BE REMOVED DURING THE CONSTRUCTION PROCESS WITHOUT THE APPROVAL FROM THE INSPECTOR ON THE PROJECT. 3. INSTALL THE PAVED CONSTRUC77ON ENTRANCE WITH WASH AREA AS SHOWN ON THE PLANS CONSTRUCTION ENTRANCES TO BE INSTALLED WHERE CONSTRUC77ON VEHICLE ROUTES INTERSECT PAVED PUBLIC ROADS, PROVISIONS SHALL BE MADE TO MINIM /ZE THE TRANSPORT OF SEDIMENT BY (VEHICULAR) TRACKING ONTO THE PAVED SURFACE. WHERE SE SEDIMENT /S TRANSPORTED ONTO A PUBLIC ROAD SURFACE THE ROAD SHALL BE CLEANED D THOROUGHLY AT THE END OF EACH DAY. SEDIMENT SHALL BE REMOVED FROM THE ROADS BY SHOVELING OR SWEEPING AND TRANSPORTING TO A SEDIMENT CONTROL DISPOSAL AREA. STREET WASHING SHALL BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED IN THIS MANNER. 4. INSTALL THE INITIAL CONSTRUCTION MEASURES AS SHOWN ON EROSION CONTROL PLAN, THIS INCLUDES THE SEDIMENT BASIN, SEDIMENT TRAP, PERIMETER DIVERSION DIKES, SILT FENCING, AND TREE PROTECTION FENCING. 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. 5. IN ADDITION TO ENSURING THAT THE PAVED CONSTRUCTION ENTRANCE /S INSTALLED, INSTALL ANY REMAINING EROSION CONTROL ITEMS AS SHOWN ON THE EROSION & SEDIMENT CONTROL PLAN. 6. ONCE ALL THE EROSION CONTROL ITEMS HAVE BEEN INSTALLED AS SHOWN ON THE EROSION CONTROL PLAN AND THE INSPECTOR HAS APPROVED THE EROSION CON7ROL MEASURES, THE CONTRACTOR CAN BEGIN GRADING OPERATIONS 7 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 DAYS TO DENUDED AREAS 7HAT MAY NOT BE AT FINAL GRADE BUT WILL REMAIN DORMANT (UNDISTURBED) FOR LONGER THAN 30 DAYS. PERMANENT STABILIZA7ON SHALL BE APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR MORE THAN ONE YEAR. 8. BEGIN GRADING THE SITE AND INSTALLING THE ENTRANCE ROAD AND PARKING LOT. GRADE THE PAD AREA FOR THE BUILDING. CLEAR AND GRADE THE REMAINING PROPOSED DISTURBED AREA FOR THE VINEYARD. 9. INSTALL THE GRAVEL AND /OR ASPHALT FOR THE PARKING LOTS AND ROADS FOR THE PROJECT. 10. INSTALL ANY REMAINING EROSION CONTROL ITEMS AS SHOWN ON THE EROS /0N AND SEDIMENT CON7ROL PLAN, INCLUDING ALL DUST PROTECTION, SEEDING AND STABILIZATION 11. ONCE THE S17E IS STABILIZED AND THE INSPECTOR HAS GIVEN APPROVAL, THE CONTRACTOR CAN REMOVE THE EROSION CONTROL MEASURES. NO ITEM SHALL BE REMOVED UNLESS THE UPSTREAM AREAS ARE STABILIZED AND THE INSPECTOR GIVES PERMISSION. 12. MAINTAIN ALL EROSION CONTROL MEASURES AS SPECIFIED IN THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK, REMOVING ONLY WHEN APPROVED BY THE LOCAL PROGRAM ADMINISTRATOR IN ACCORDANCE WITH THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. 13. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN 30 DAYS AFTER FINAL SITE STABILIZATION OR AFTER THE TEMPORARY MEASURES ARE NO LONGER NEEDED, UNLESS OTHERWISE AUTHORIZED BY THE LOCAL PROGRAM ADMINISTRATOR. TRAPPED SEDIMENT AND THE DISTURBED SOIL AREAS RESULTING FROM THE DISPOSITION OF TEMPORARY MEASURES SHALL BE PERMANENTLY STABILIZED TO PREVENT FURTHER EROSION AND SEDIMENTA TION. DESCRIPTION OF EROSION & SEDIMENT CONTROL MEASURES: EROSION AND SEDIMENT CONTROL MEASURES• IT IS ANTICIPATED TO USE CONSTRUCTION ENTRANCES, DIVERSION DYKES, SEDIMENT TRAPS AND BASINS, AND SILT FENCES 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 FOR LATER SPREADING. STOCKPILE LOCATIONS SHALL BE ON SITE AND SHALL BE STABILIZED WITH A TEMPORARY VEGETATIVE COVER. PERMANENT SEEDING WILL BE PERFORMED FOR ALL AREAS WHICH WILL NO LONGER BE E XCA VA TED AND WHERE CONSTRUCT/ 0 N ACTIVITIES HAVE CEASED. PERMANENT SEEDING SHALL ALSO BE PERFORMED FOR ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR A YEAR OR MORE. SELECTION OF AP P' Y SEEDING WILL B U WILL DEPEND ON THE TIME OF YEAR PLIED. TEM ORAR EED LL E PERFORMED FOR SEED MIXTURE ALL DENUDED AREAS WHICH WILL BE LE FT DORMA NT FOR MORE THAN SEV E N DAYS. THESE AREAS SHALL BE SEEDED WITH. FAST GERMINATING VEGETATION IMMEDIATELY FOLLOWING GRADING OF THOSE AREAS SELECTION OF SEED MIXTURE WILL DEPEND ON THE TIME OF YEAR APPLIED. 3.01 SAFETY FENCE - TO PROHIBIT THE UNDESIRABLE USE OF AN EROSION CONTROL MEASURE BY THE PUBLIC. SAFETY FENCE WILL BE INSTALLED AROUND THE PROPOSED SEDIMENT BASIN AND SEDIMENT TRAP. 3.02 CONSTRUCTION ENTRANCE - TO REDUCE THE AMOUNT OF MUD, TRANSPORTED ONTO PAVED PUBLIC ROADS BY MOTOR VEHICLES OR RUNOFF. A CONSTRUCTION ENTRANCE WILL BE INSTALLED AT THE ENTRANCE TO PLANK ROAD, TO PROTECT PLANK ROAD. 3.05 SILT FENCE- SILT FENCE WILL BE PLACED ON THE DOWNSTREAM SIDE OF DISTURBANCE WHERE NOTED ON THE PLANS. 3.09 TEMPORARY DIVERSION DIKE- DIVERSION DIKES WILL BE USED AROUND THE PER /METER OF SITE DISTURBANCE WHERE SHOWN ON THE PLANS TO DIRECT RUNOFF TO ON -SITE SEDIMENT CONTROL FACILITIES. 3.13 TEMPORARY SEDIMENT TRAP- A TEMPORARY SEDIMENT TRAP WILL BE INSTALLED WHERE SHOWN ON THE PLANS. 3.14 TEMPORARY SEDIMENT BASIN- A TEMPORARY SEDIMENT BASIN WILL BE INSTALLED WHERE SHOWN ON THE PLANS 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 PROTECT /ON 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. 3.36 SOIL STABILIZATION BLANKETS AND MATTING- BIM SHALL BE (EMPLOYED WHEREVER SHOWN ON THE PLANS OR WHERE SLOPES EXCEED J.1 SLOPE. 3.38 TREE PRESERVATION AND PROTECTION- TREE PRESERVATION FENCING SHALL BE INSTALLED WHERE SHOWN ON THE PLANS. NO TREES SHALL BE HARMED OUTSIDE OF THE LIMITS OF TREE PROTECT /0N FENCING. 3.39 DUST CONTROL- DUST CONTROL SHALL BE APPLIED THROUGHOUT THE SITE WHERE SHOWN ON THE PLANS. S TORM WA TER MA NA GEMEN T: THE STORMWATER MANAGEMENT SYSTEM FOR THIS PROJECT WILL BE HANDLED BY A PROPOSED RAIN GARDEN BIORETENTION AREA. THIS RAIN GARDEN WILL BE LOCATED BELOW THE PROPOSED SPECIAL EVENTS BUILDING AND GRAVEL PARKING AND ENTRANCE ROAD. MOST OF THE DRAINAGE WILL SURFACE FLOW TO THE RAIN GARDEN FOR TREATMENT. A COMBINATION OF THE RAIN GARDEN AND CISTERN SYSTEM WILL BE USED FOR DETENTION, AS NECESSARY. THE RAIN GARDEN WILL PROVIDE WATER QUALITY AND WATER DETENTION FOR THE PROPOSED DEVELOPMENT. MANAGEMENT PLAN EROSION CONTROL NOTES ES -1: UNLESS OTHERWISE INDICATED, ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES WILL BE CONSTRUCTED AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA REGULATIONS VT 625 -02 -00 EROSION AND SEDIMENT CONTROL REGULA TONS 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 MAINTAINED ON THE SITE AT ALL TIMES. ES -5: PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS (OTHER THAN INDICATED 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 THE PLAN APPROVING AUTHORITY. ES -Z ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL TIMES DURING LAND DISTURBING ACTIVITIES AND DURING SITE DEVELOPMENT UNTIL FINAL STABILIZATION IS ACHIEVED. ES -8. DURING DEWA TER /NG OPERA TIONS, WA TER WILL BE PUMPED INTO, AN APPROVED WATER FILTERING DEVICE. ES -9: THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY AND AFTER EACH RUNOFF - PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL BE MADE IMMEDIATELY. EROSION CONTROL NOTES 1. THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO THE PRE - CONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT OF LAND DISTURBING ACT /VITY, AND ONE WEEK PRIOR TO THE FINAL INSPECTION. 2. ALL EROS /ON AND SEDIMENT CONTROL MEASURES WILL BE CONSTRUCTED AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA REGULA7ONS VR 625 -02 -00 EROSION AND SEDIMENT CONTROL REGULATIONS. J. ALL EROSION AND SEDIMENT CONTROL 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 SITE AT ALL TIMES. 5. PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICATED 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. 6. THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS DETERMINED BY THE PLAN APPROVING AUTHORITY. 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 STABILIZATION IS ACHIEVED. 8. DURING DEWATER/NG OPERATIONS, WATER WILL BE PUMPED INTO AN APPROVED F/L TERING DEVICE. 9. THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY AND AFTER EACH RUNOFF - PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL BE MADE IMMEDIA TEL Y. 10. ALL FILL MATERIAL TO BE TAKEN FROM AN APPROVED, DES IGNATED BORROW AREA. it. ALL WASTE MATERIALS SHALL BE TAKEN TO AN APPROVED WASTE AREA. EARTH FILL SHALL BE INERT MATERIALS ONLY, FREE OF ROOTS, STUMPS, WOOD, RUBBISH, AND OTHER DEBRIS 12. BORROW OR WASTE AREAS ARE TO BE RECLAIMED WITHIN 7 DAYS OF COMPLETION PER ZONING ORDINANCE SECTION 5.1.28. 13. ALL INERT MATERIALS SHALL BE TRANSPORTED IN COMPLIANCE WITH SECTION 13 -301 OF THE CODE OF ALBEMARLE. 14. BORROW, FILL OR WASTE ACTIVITY INVOLVING INDUSTRIAL - TYPE POWER EQUIPMENT SHALL BE LIM /TED TO THE HOURS OF 7.• 00 AM TO 9.00 PM. 15. BORROW, FILL OR WASTE ACTIVITY SHALL BE CONDUCTED IN A SAFE MANNER THAT MAINTAINS LATERAL SUPPORT, OR ORDER TO MINIMIZE ANY HAZARD TO PERSONS, PHYSICAL DAMAGE TO ADJACENT LAND AND IMPROVEMENTS, AND DAMAGE TO ANY PUBLIC STREET BECAUSE OF SLIDES, SINKING, OR COLLAPSE. 16. THE DEVELOPER SHALL RESERVE THE RIGHT TO INSTALL, MAINTAIN, REMOVE OR CONVERT TO PERMANENT STORMWATER MANAGEMENT FACILITIES WHERE APPLICABLE ALL EROS /ON CONTROL MEASURES REQUIRED BY THIS PLAN REGARDLESS OF THE SALE OF ANY LOT, UNIT, BUILDING OR OTHER PORTION OF THE PROPERTY. 17. 7E'MPORARY STABILIZATION SHALL BE TEMPORARY SEEDING AND MULCHING. SEEDING IS TO BE AT 75 LBS /ACRE, AND IN THE MONTHS OF SEPTEMBER TO FEBRUARY TO CONSIST A 50150 MIX OF ANNUAL RYGRASS AND CEREAL WINTER RYE, OR IN MARCH ANO APRIL TO CONSIST OF ANNUAL RYE, OR MAY THROUGH AUGUST TO CONSIST OF GERMAN MILLET. STRAW MULCH IS TO BE APPLIED AT 80LBS1100SF. ALTERNATIVES ARE SUBJECT TO APPROVAL BY THE EROSION CONTROL INSPECTOR. 18. PERMANENT STABILIZATION SHALL BE LIME AND FERTILIZER, PERMANENT SEEDING, AND MULCH. AGRICULTURAL GRADE LIMESTONE SHALL BE APPLIED AT 9OLBS 11000SF, INCORPORATED INTO THE TOP 4 -6 INCHES OF SOIL. FERTILIZER SHALL BE APPLIED AT EN NUTRI 0 1000LBS / ACRE AND CONSIST OF A 10-20-10 T - MIX. PERMANENT SEEDING 1 X E NENT S SHALL BE APPLIED AT 180 ACRE A CONSIST KENTUCKY R A LBS/ AND CO OF 95% EN UCKY 31 0 TALL FESCUE AND 0 -59' P ERENNIAL RYGR A S S OR KENTUCKY BLUEGRASS STRAW IS TO BE APPLIED AT 80LBS 11 00SF. ALTERNATIVES ARE SUBJECT, TO APPROVAL BY THE EROSION CONTROL INSPECTOR. R 19. MAINTENANCE. • ALL MEASURES ARE TO BE INSPECTED WEEKLY AND AFTER EACH RAINFAL L. ANY DAMA GE OR CLOGGING TO ST R UC T URAL MEASU R ES IS TO BE REP HIRE D IMMEDIATELY. SILT TRAPS ARE TO BE CLEANED WHEN 50% 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 COLLEC77NG SEDIMENT TO HALF THEIR HEIGHT MUST BE `CLEAYVED AND REPAIRED IMMEDIA TEL Y. ' 20. ALL TEMPORARY EROSION AND SE D IME N T CON TROL MEASURES A RE TO BE R EMOV E D WITHIN 30 DAYS OF FINAL SITE STABIL /Z4770N, WHEN MEASURES ARE NO LONGER N EEDED, SUBJE CT TO APPROVAL BY TH E EROSION CONTROL INSPECTOR. T INSPECTOR HAS T AUTHORITY TO ADD OR E E E& CONTROLS AS 21. HE E &S INSPE HE D L 7E S NECESSARY IN THE FIELD AS SITE CONDITIONS CHANGE. IN ADDITION, NO SEDIMENT BASIN OR TRAP CAN BE REMOVED WITHOUT WRITTEN AUTHORIZATION. SOIL DESCRIPTION 19C - CULLEN LOAM, 7% TO 15% SLOPES SOURCE MATERIAL RESIDUUM WEATHERED FROM ACID AND BASIC IGNEOUS ROCK. CONVEX DOWN -SLOPE SHAPE. 60 TO 120 INCHES TO PARAL17HIC BEDROCK. WELL DRAINED. VERY LOW TO MODERATELY HIGH KSAT (0 -0.2 IN/HR). NO FREQUENCY OF PONDING OR FLOODING, MODERATE WATER CAPACITY (ABOUT 7.6 INCHES). 19D - CULLEN LOAM, 15% TO 25% SLOPES. SOURCE MATERIAL RESIDUUM WEATHERED FROM ACID AND BASIC IGNEOUS ROCK. CONVEX DOWN -SLOPE SHAPE. 60 TO 120 INCHES TO PARAL/THIC BEDROCK. WELL DRAINED. VERY LOW TO MODERATELY HIGH KSAT (0 -0.2 1N /HR). NO FREQUENCY OF PONDING OR FLOODING. MODERATF WATER CAPACITY (ABOUT 7.6 INCHES). 198 - CULLEN LOAM, 27S TO 7% SLOPES SOURCE MATERIAL RESIDUUM WEA7HERED FROM ACID AND BASIC IGNEOUS ROCK. CONVEX DOWN -SLOPE SHAPE. 60 TO 120 INCHES TO PARAL/TH/C BEDROCK. WELL DRAINED. VERY LOW TO MODERATELY HIGH KSAT (0 -0.2 IN/HR). NO FREQUENCY OF PONDING OR FLOODING. MODERATE WATER CAPACITY (ABOUT 7.6 INCHES). 2OC3 - CULLEN CLAY LOAM, 77o TO 15% SLOPES, SEVERELY ERODED. SOURCE MATERIAL RESIDUUM WEATHERED FROM ACID AND BASIC IGNEOUS ROCK. CONVEX DOWN -SLOPE SHAPE. 60 TO 120 INCHES TO PARAL/THIC BEDROCK. WELL DRAINED. VERY LOW TO MODERATELY HIGH KSAT (0 -0.2 IN /HR). NO FREQUENCY OF PONDING OR FLOODING. MODERATE WATER CAPACITY (ABOUT 7.4 INCHES). 79B - STARR SILT LOAM, 2% TO 7% SLOPES SOURCE MATERIAL COLLUV/UM DERIVED FROM IGNEOUS ROCK. CONVEX DOWN -SLOPE SHAPE. MORE THAN 80 INCHES TO RESTRICTIVE FEATURE. WELL DRAINED. MODERA TEL Y HIGH TO HIGH KSA T (0.57 -1.98 /N /HR). NO FREQUENCY OF PONDING. OCCASIONAL FREQUENCY OF FLOODING. HIGH WATER CAPACITY (ABOUT 9.4 INCHES). 38C - HAYESV/LLE VERY STONY LOAM, 773 TO 157S SLOPES. SOURCE MATERIAL RESIDUUM WEATHERED FROM GRANITE AND GNEISS CONVEX DOWN -SLOPE SHAPE. MORE THAN 80 INCHES TO RESTRICTIVE FEATURE WELL DRAINED. MODERA TEL Y HIGH TO HIGH KSA T (0.57 -1.98 /N /HR). NO FREQUENCY OF PONDING OR FLOODING. HIGH WATER CAPACITY (ABOUT 10.6 INCHES). REFERENCE. WEB SOIL SURVEY ONLINE DATABASE, FOUND AT h t tp: / /websoit survey. nres. usda. go vlcppIWebSoil Survey. aspx .E'ROS'ION & 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 SECTION CONSIST OF THE FOLLOWING: 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 CONTROL MEASURE OR SERIES OF MEASURES WHICH CAN BE CONSIDERED UNSAFE BY VIRTUE OF POTENTIAL ACCESS BY THE PUBLIC. 3.02 CONSTRUCTION ENTRANCE,• A STABILIZED PAVED CONS7RUC710N 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. CONSTRUC77ON ENTRANCES SHALL BE INSTALLED AS SHOWN ON THE PLANS TO REDUCE THE AMOUNT SEDIMENT TRANSPORTED ONTO PUBLIC ROADWAYS 3.05 SILT FENCE,• A TEMPORARY SEDIMENT BARRIER CONSIS77NG OF A SYNTHETIC FILTER FABRIC S7RETCHED ACROSS AND ATTACHED TO SUPPOR77NG POSTS AND EN7RENCHED, TO INTERCEPT AND DETAIN SMALL AMOUNTS OF SEDIMENT FROM DIS7URBED AREAS DURING CONSTRUC77ON OPERATIONS IN ORDER TO PREVENT SEDIMENT FROM LEAVING 7HE 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 WITH MINIMAL GRADES TO FILTER SEDIMENT LADEN RUNOFF FROM SHEET FLOW AS INDICATED. THEY SHALL BE INSPECTED IMMEDIATELY AFTER EACH RAINFALL AND MAINTAINED W ACCORDANCE WITH THE VIRGINIA EROSION & SEDIMENT CONTROL HANDBOOK (VESCH). 3.09 TEMPORARY DIVERSION DIKE.• A TEMPORARY RIDGE OF COMPACTED SOIL CONS7RUCTED AT THE TOP OR BASE OF A SLOPING DISTURBED AREA. TO DIVERT STORM RUNOFF FROM UPSLOPE DRAINAGE AREAS A wA Y FROM UNPROTECTED 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 DISTURBED AREAS AND SLOPES OR RETAIN SEDIMENT ON SITE DURING CONSTRUC770N. .THESE STRUCTURES GENERALLY HAVE A LIFE EXPECTANCY OF 18 MONTHS OR LESS, WHICH CAN BE PROLONGED WITH PROPER MAINTENANCE. Ji 13 TEMPORARY SED /MENT 7RAP: A TEMPORARY PONDING AREA FORMED BY CONSTRUCTING AN EAR77-IEN EMBANKMENT W/TH A STONE OUTLET. TO DETAIN SEDIMENT-LADEN RUNOFF FROM SMALL DISTURBED AREAS LONG ENOUGH TO ALLOW THE MAJORITY OF 7HE SEDIMENT TO SETTLE OUT USE BELOW DISTURBED AREAS WHERE THE TOTAL CONTRIBUTING DRAINAGE AREA IS LESS THAN 3 ACRES, WHERE THE SEDIMENT TRAP WILL BE USED NO LONGER THAN 18 MONTHS, AND IT MAY BE CONS7RUC7ED EITHER INDEPENDENTLY OR IN CONJUNCTION WITH A TEMPORARY DIVERSION DIKE. 3.14 TEMPORARY SEDIMENT BASIN, A TEMPORARY BARRIER OR DAM WITH A CON7ROLLED STORMWATER RELEASE STRUCTURE FORMED BY CONSTRUCTING AN EMBANKMENT OF COMPACTED SOIL ACROSS A DRA/NAGEWAY. TO DETAIL SEDIMENT -LADEN RUNOFF FROM DISTURBED AREAS IN "WET" AND `DRY" STORAGE LONG ENOUGH FOR THE MAJORITY OF THE SEDIMENT TO SETTLE OUT APPLIES BELOW DISTURBED AREAS WHERE THE TOTAL CONTRIBUTING DRAINAGE AREA IS EQUAL TO OR GREATER THAN THREE ACRES. THERE MUST BE SUFFICIENT SPACE AND APPROPRIATE TOPOGRAPHY FOR 7HE CONSTRUCTION OF A 'TEMPORARY IMPOUNDMENT. 118 OUTLET PROTECTION: S7RUCTURALLY LINED APRONS OR OTHER ACCEPTABLE ENERGY DISSIPATING DEVICES PLACED AT 7HE OUTLETS OF PIPES OR PAVED CHANNEL SECTIONS TO PREVENT SCOUR AT STORMWATER OUTLETS, TO PROTECT THE OUTLET STRUCTURE, AND TO MINIMIZE THE POTEN7IAL FOR DOWNSTREAM EROS /ON BY REDUCING THE VELOCITY AND ENERGY OF CONCEN7RA7ED STORMWATER FLOWS APPLICABLE TO THE OUTLETS OF ALL PIPES AND ENGINEERED CHANNEL SECTIONS 3.19 R IPRAP. A PERMANENT, EROSION - RESISTANT GROUND COVER OF LARGE, LOOSE, ANGULAR STONE W17H FILTER FABRIC OR GRANULAR UNDERLINING. TO PR07E'CT 7HE SOIL FROM THE EROSIVE FORCES OF CONCENTRATED RUNOFF, SLOW THE VELOCITY OF CONCENTRATED RUNOFF WHILE Ek{.ANCING THE PO7EN77AL FOR /NF /L IRA77ON, AND TO STABILIZE SLOPES W17H SEEPAGE PROBLEMS,! AND /OR NON - COHESIVE SOILS USE WHEREVER SOIL AND WATER INTERFACE AND THE SOIL'COND /TIONS, WATER TURBULENCE AND VELOCITY, EXPECTED VEGETA77VE COVER, ETC., ARE SUCH THAT THE SOIL MAY ERODE UNDER THE DESIGN FLOW CONDITIONS. 3.30 TOPSOILING. METHODS OF PRESERVING AND USING THE SURFACE LAYER OF UNDISTURBED SOIL, OFTEN ENRICHED IN ORGANIC MATTER, IN ORDER TO OBTAIN A MORE DESIRABLE PLANTING AND GROW7H MEDIUM. TO PROVIDE A SUITABLE GROWTH MEDIUM FOR FINAL SITE STABILIZA77ON WITH VEGETATION. USE WHERE THE PRESERVATION OR IMPORTATION OF TOPSOIL IS DE7ERM/NED TO BE THE MOST EFFEC77VE METHOD OF PROVIDING A SUITABLE GROWTH MEDIUM. USE WHERE THE SUBSOIL OR EXISTING SOIL IS UNSUITABLE, WHERE HIGH - QUALITY TURF IS DESIRABLE TO WITHSTAND INTENSE USEz OR MEET AESTHE77C REQUIREMENTS, WHERE ORNAMENTAL PLANTS WILL BE ESTABLISHED, AND ONLY ON SLOPES THAT ARE 2.• 1 OR FLATTER UNLESS OTHER MEASURES ARE TAKEN TO PREVENT EROSION AND SLOUGHING J.31 TEMPORARY SEEDING: THE ESTABLISHMENT OF A TEMPORARY VEGETA77VE COVER ON DISTURBED AREAS BY SEEDING WITH APPROPRIATE RAPIDLY GROWING ANNUAL PLANTS TO REDUCE EROSION AND SED /MENT4770N 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 PR07EC77ON TO BARE SOILS EXPOSED DURING CONS7RUCT/ON UN77L PERMANENT VEGETA77ON OR OTHER EROSION CON7ROL MEASURES CAN BE ESTABLISHED. 3 32 PERMANENT 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 SELECTION OF THE MOST APPROPRIATE PLANT MATERIALS. TO IMPROVE WILDLIFE HABITAT. TO ENHANCE NATURAL BEAUTY. UPON COMPLETION OF CONSTRUCTION AC77W77ES, ALL AREAS WILL RECEIVE A PERMANENT VEGETA77VE COVER. 3.36 SOIL STABILIZATION BLANKETS & MATTING, THE INSTALLATION OF A PR07E'CTIVE COVERING (BLANKET) OR A SOIL STABILIZATION, MAT ON A A F 0 R /NG PREPARED PLANTING AREA 0 A STEEP SLOPE, CHANNEL 0 SHORELINE. TO AID IN CON7ROLL EROSION ON CRI77 CAL AREAS BY PROVIDING A MICROCLIMATF WHICH PROTECTS YOUN G VEG ET477ON AND P A PROMOTES /TS ESTABLISHMENT. APPLIES ON SHORT, STEEP SLOPES WHERE EROSION HAZARD 1S HIGH AND P L AN77NG IS LIKELY TO BE TOO SLOW IN PROVIDING ADEQUATE PR07EC 77VE COVER. 338 7REE PRESERVATION AND PROTECTION, PR C77ON OF DESIRABLE TREES FROM MECHANICAL OR 7HER INJURY DURING LAND DISTURBING AND O1E BL M 0 CONSTRUCTION ACTIVITY. TO ENSURE THE SURVIVAL OF DESIRABLE TREES WHERE THEY WILL BE EFFEC77VE FOR EROSION AND SEDIMENT CONTROL, WATERSHED PROTEC710N, LANDSCAPE BEAU77F /CATION, DUST AND POLLUTION CON7ROL, NOISE REDUC77ON, 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 ACT7NT /ES. 3.39 DUST CONTROL: REDUCING SURFACE AND AIR MOVEMENT OF DUST DURING LAND DISTURBING, DE114OL1770N AND CONSTRUCTION AC77W77ES. TO PREVENT SURFACE AND AIR MOVEMENT OF DUST FROM EXPOSED SOIL SURFACES AND REDUCE THE PRESENCE OF AIRBORNE SUBSTANCES WHICH MAY PREVENT HEALTH HAZARDS, 7RAFF/C SAFETY PROBLEMS OR HARM ANIMAL OR PLANT LIFE. DUST CONTROL MEASURES - SHALL BE EMPLO YE D TO PREVENT S U R FAC E AND AIR MOVE M E NT OF DUST D URING CONSTRUCTION. MEASURES EMPLOYED SHALL BE IN ACCORDANCE WITH 7HE VESCH. 0 O -- THIS PROJECT 0 0 VICINITY MAP SCALE: 1" = 21000' SHEET INDEX TITLE TITLE SHEET FRONT YARD SETBACK (FROM R /W): 75 FEET EROSION CONTROL PLAN SIDE YARD SETBACK (FROM P /L): 25 FEET ROAD PROFILE REAR YARD SETBACK (FROM P /L): 35 FEET IMPERVIOUS COVER. BUILDINGS: 0.33 ACRES . EROSION CONTROL NOTES & DETAILS ROADS /PARK ING. 0.85 ACRES STORMWATER MANAGEMENT PLAN AMOUNT OF ONS/TE IMPERVIOUS AREA: 1.18 ACRES CURB & GUTTER PERCENTAGE OF ONS/TE IMPERVIOUS AREA: 2.9 % WATERSHED: NORTH FORK HARDWARE RIVER TOPO & SURVEY- PROVIDED BY ROUDABUSH & GALE, TOPOGRAPHIC SURVEY (DECEMBER, 2005 AND FIELD VERIFIED JUNE 2010.) DATUM: NAD -88 (VERTICAL DATUM) BENCHMARK. NAIL IN TREE -AT SOUTHWEST PORTION OF SITE - ELEVATION. 701.42.' EXISTING VEGETATION. TREES AS SHOWN PHASING. NO PHASING IS PROPOSED FOR THE DEVELOPMENT AT THIS TIME. CRI77CAL SLOPE. TOTAL AREA WITH CRITICAL SLOPES. 0.58 ACRES EARTH DITCH % OF PROPERTY WITH CRITICAL SLOPES- 1.4% DR/ VEWA Y CUL VERT PROPOSED CRITICAL SLOPE IMPACTS. • 0 ACRES BENCH MARK % OF TOTAL CRITICAL SLOPES IMPACTED: O% , FLOODPLAIN: THERE IS NO FLOODPLAIN LOCATED ON THE PROPERTY PER FEMA MAP #51003C0400D. HISTORIC STRUCTURES, • NO HISTORIC STRUCTURES ARE LOCATED ON THE PROPERTY. H.AINTENANCE:- IN GENERAL, DURING CONSTRUCTION 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 ATTENTION WILL BE GIVEN TO THE FOLLOWING ITEMS.• a. SEDIMENT BASINS AND /OR TRAPS WILL BE CLEANED AND MAINTAINED IN ACCORDANCE WITH THE VIRGINIA EROSION & SEDIMENT CONTROL HANDBOOK. b. ALL GRA VEL OUTLETS WILL BE CHECKED REGULARL Y FOR SEDIMENT BUILDUP THA T 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 SEDIMENT DEPOSITION REACHED HALF WAY TO THE TOP OF THE BARRIER. d. ALL SEEDED AREAS WILL BE CHECKED REGULARLY 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 CONTRACTOR ON SITE. THE CONTRACTOR WILL BE DETERMINED AT THE TIME THE CONTRACT IS AWARDED. IN ADDITION THE ENGINEER MAY BE CONTACTED, SCOTT COLLINS, PE AT 434- 293 -3719. UPON COMPLETION OF THE PROJECT, THE OWNER WILL BE RESPONSIBLE FOR SITE MAINTENANCE. CONSTRUCTION ENTRANCE - THE ENTRANCE SHALL BE MAINTAINED IN A CONDITION WHICH WILL PREVENT TRACKING OR FLOW OF MUD ONTO PUBLIC RIGHTS -OF -WAY. THIS MAY REQUIRE PERIODIC TOP DRESSING WITH ADDITIONAL STONE OR THE WASHING AND REWORKING OF EXISTING STONE AS CONDITIONS DEMAND AND REPAIR AND /OR CLEANOUT OF ANY STRUCTURES USED TO TRAP SEDIMENT. ALL MATERIALS SPILLED, DROPPED, WASHED, OR TRACKED FROM VEHICLES ONTO ROADWAYS ON INTO STORM DRAINS MUST BE REMOVED IMMEDIATELY. THE USE OF WATER TRUCKS TO REMOVE MATERIALS DROPPED, WASHED, OR TRACKED ONTO ROADWAYS WILL NOT BE PERMITTED UNDER ANY CIRCUMSTANCES. SILT FENCES - SILT FENCES SHALL BE INSPECTED IMMEDIATELY AFTER EACH RAINFALL AND AT MA IMMEDIATELY. LOSE LEAST DAILY DURING PROLONGED RAINFALL. ANY REPAIRS SHALL BE DE EL C ATTENTION SHALL BE PAID TO THE REPAIR OF DAMAGED SILT FENCE RESULTING FROM END RUNS AND UNDERCUTTING. SHOULD THE FABRIC ON A SILT FENCE DECOMPOSE OR BECOME INEFFECTIVE PRIOR TO THE END OF THE EXPECTED USABLE LIFE AND THE BARRIER STILL BE NECESSARY, THE FABRIC shall BE REPLACED PROMPTLY. SEDIMENT DEPOSITS SHOULD BE REMOVED AFTER EACH ELY ONE-HALF STORM EVENT. THEY MUST BE REMOVED WHEN DEPOSITS REACH APP ROXIMAT E HAL F THE HEIGHT OF THE BARRIER. ANY SEDIMENT DEPOSITS REMAINING IN PLACE AFTE R THE SILT FE NCE IS NO LONGER REQUIRED SHALL BE DRESSED TO CONFORM WITH THE EXISTING GRADE, PREPARED AND SEEDED. DIVERSION - BEFORE FINAL STABILIZATION, THE DIVERSION SHOULD BE INSPECTED AFTER EVERY RAINFALL AND AT LEAST ONCE EVERY TWO WEEKS. SEDIMENT SHALL BE REMOVED FROM THE CHANNEL AND REPAIRS MADE AS NECESSARY. SEEDED AREAS WHICH FAIL TO ESTABLISH A VEGETATIVE COVER WILL BE RESEEDED AS NECESSARY. SEDIMENT TRAP /SEDIMENT BASINS - SEDIMENT SHALL BE REMOVED AND THE TRAPS AND BASINS RESTORED TO ITS ORIGINAL DIMENSIONS WHEN THE 'SEDIMENT HAS ACCUMULATED TO ONE HALF THE DESIGN VOLUME OF THE WET STORAGE. SEDIMENT REMOVAL FROM THE BASIN SHALL BE DEPOSITED IN A SUITABLE AREA AND IN SUCH A MANNER THAT IT WILL NOT ERODE AND CAUSE SEDIMENTATION PROBLEMS. FILTER STONE SHALL BE REGULARLY CHECKED TO ENSURE THAT FILTRATION PERFORMANCE IS MAINTAINED. STONE CHOKED WITH SEDIMENT SHALL BE REMOVED AND CLEANED OR REPLACED. THE STRUCTURE SHOULD BE CHECKED REGULARLY TO ENSURE THAT IT IS . STRUCTURALLY SOUND AND HAS NOT BEEN DAMAGED BY EROSIONS OR CONSTRUCTION EQUIPMENT. THE HEIGHT OF THE STONE OUTLET SHOULD BE CHECKED TO ENSURE THAT ITS CENTER IS AT LEAST 1 FOOT BELOW THE TOP OF THE EMBANKMENT. CHECK DAMS -CHECK DAMS SHOULD BE CHECKED FOR SEDIMENT ACCUMULATION AFTER EACH RUNOFF PRODUCING STORM EVENT. SEDIMENT SHOULD BE REMOVED WHEN IT REACHES 1/2 OF THE ORIGINAL HEIGHT OF THE MEASURE. REGULAR INSPECTIONS SHOULD BE MADE TO INSURE THAT THE CENTER OF THE DAM IS LOWER THAN THE EDGES. EROSION CAUSED BY HIGH FLOWS AROUND THE EDGES OF THE DAM SHOULD BE CORRECTED IMMEDIATELY. ALL INLET PROTECTIONS, SILT TRAPS, AND SEDIMENT BASINS WILL BE CHECKED DAILY AND AFTER EACH SIGNIFICANT RAINFALL TO ENSURE SEDIMENT HAS NOT ACCUMULATED. IF SEDIMENT HAS ACCUMULATED, CONTRACTOR SHALL REMOVE THE SEDIMENT BASIN AND RESTORE THE EROSION CONTROL MEASURE TO ITS ORIGINAL CONDITION. THE DIVERSION DIKES WILL BE CHECKED DAILY AND AFTER EACH SIGNIFICANT RAINFALL TO ENSURE THE BERM DIVERTS DRAINAGE PROPERLY AND TO ENSURE THE THE DITCH MAINTAINS POSITIVE DRAINAGE. IF THE BERM IS BREACHED AND /OR THE DITCH ACCUMULATES SEDIMENT PREVENTING IT FROM MAINTAINING POSITIVE DRAINAGE, THEN THE CONTRACTOR SHALL RESTORE THEM TO ITS ORIGINAL CONDITION. . 1, EROSION CONTROL NOTES & NARRATIVE PURPOSE., THE PURPOSE OF THE LAND DISTURBING ACTIVITY IS TO DEVELOP A FARM WINERY INCLUDING VINEYARDS, A TASTING ROOM, AND A SPECIAL EVENTS BUILDING ON THE PROPERTY. APPROXIMATELY 27.8 AC. WILL BE DISTURBED. EXISTING SITE CONDITIONS.- THE EXISTING SITE IS PREDOMINANTLY AN OPEN FIELD WITH THE NORTHEAST PORTION OF THE SITE WOODED WITH MATURE PINES AND HARDWOOD TREES. THERE IS AN EXISTING STREAM ALONG THE WESTERN PROPERTY LINE WHICH DRAINS INTO THE SOUTH BRANCH CREEK ON THE OTHER SIDE OF PLANK ROAD. THE GROUND SLOPES FROM NORTHEAST TO SOUTHWEST AND THERE IS APPROXIMATELY 150' ELEVATION DIFFERENCE OVER THE 40+ ACRE PARCEL. THE DRAINAGE FROM THE SITE ENTERS THE CREEK ALONG THE WESTERN PROPERTY LINE AND. CROSSES UNDER PLANK ROAD TO THE SOUTH BRANCH CREEK. THERE ARE NO EXISTING FLOOD PLAINS OR WATER PROTECTION BUFFERS ON THE PROPERTY. THE PLAN IS SHOWING A 100' STREAM BUFFER. NONE OF THE LAND DISTURBANCE ACTIVITIES WILL BE CLOSE TO THE EXISTING FLOODPLAIN OR STREAM BUFFERS. ADJACENT AREAS: THE PROPERTY IS BOUNDED BY THE REMAINING LOTS OF BUNDORAN FARMS TO THE NORTH AND WEST. THERE IS SOME EXISTING RA SINGLE FAMILY RESIDENCES TO THE EAST OF THE PROPERTY. PLANK ROAD BORDERS THE SOUTHERN PROPERTY LINE, WITH FARM LAND ACROSS THE ROAD FROM THE PROJECT. ROUTE 29 IS 114 MILE TO THE EAST OF THE PROPERTY. OFFS/7E LAND DISTURBANCE.• ALL LAND DISTURBING ACTIVITIES SHALL OCCUR ON -SITE AND WITHIN THE LIMITS OF THE PROJECT. THERE IS NO OFFSITE LAND DISTURBANCE PROPOSED. THE SITE ALSO BALANCES, AND NO DIRT WILL BE IMPORTED OR EXPORTED FROM THE SITE. CRITICAL AREAS: THERE ARE AREAS OF CRITICAL IMPORTANCE ON THE SITE. CRITICAL AREAS WITH STEEP SLOPES GREATER THAN 4:1 HAVE BEEN IDENTIFIED ON THE EROSION AND SEDIMENT CONTROL PLAN. THESE SLOPES ARE PREDOMINATELY WITHIN THE WOODED AREAS AND ALONG THE STREAM BANKS. NONE OF THE CRITICAL SLOPES ON THIS PROJECT ARE PROPOSED TO BE IMPACTED. ALL OF THESE AREAS ARE PROTECTED AND LOCATED OUTSIDE OF THE LIMITS OF DISTURBANCE FOR THE PROJECT. TREE PROTECTION FENCING SHALL BE USED AS SHOWN ON THE PLANS TO PROVIDE ADDITIONAL MEASURES OF PROTECTION. MLS, SEE SOILS DESCRIPTION CHART THIS SHEET AND SOILS DELINEATIONS ON THE EROSION AND SEDIMENT CONTROL PLAN PHASE I SHEET. SEQUENCE OF CONSTRUCTION: 1, NOTIFY THE ALBEMARLE COUNTY TO SCHEDULE A PRE - CONSTRUCTION MEETING AS REQUIRED. 2. NO EROSION CONTROL MEASURES MAY BE REMOVED DURING THE CONSTRUCTION PROCESS WITHOUT THE APPROVAL FROM THE INSPECTOR ON THE PROJECT. 3. INSTALL THE PAVED CONSTRUC77ON ENTRANCE WITH WASH AREA AS SHOWN ON THE PLANS CONSTRUCTION ENTRANCES TO BE INSTALLED WHERE CONSTRUC77ON VEHICLE ROUTES INTERSECT PAVED PUBLIC ROADS, PROVISIONS SHALL BE MADE TO MINIM /ZE THE TRANSPORT OF SEDIMENT BY (VEHICULAR) TRACKING ONTO THE PAVED SURFACE. WHERE SE SEDIMENT /S TRANSPORTED ONTO A PUBLIC ROAD SURFACE THE ROAD SHALL BE CLEANED D THOROUGHLY AT THE END OF EACH DAY. SEDIMENT SHALL BE REMOVED FROM THE ROADS BY SHOVELING OR SWEEPING AND TRANSPORTING TO A SEDIMENT CONTROL DISPOSAL AREA. STREET WASHING SHALL BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED IN THIS MANNER. 4. INSTALL THE INITIAL CONSTRUCTION MEASURES AS SHOWN ON EROSION CONTROL PLAN, THIS INCLUDES THE SEDIMENT BASIN, SEDIMENT TRAP, PERIMETER DIVERSION DIKES, SILT FENCING, AND TREE PROTECTION FENCING. 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. 5. IN ADDITION TO ENSURING THAT THE PAVED CONSTRUCTION ENTRANCE /S INSTALLED, INSTALL ANY REMAINING EROSION CONTROL ITEMS AS SHOWN ON THE EROSION & SEDIMENT CONTROL PLAN. 6. ONCE ALL THE EROSION CONTROL ITEMS HAVE BEEN INSTALLED AS SHOWN ON THE EROSION CONTROL PLAN AND THE INSPECTOR HAS APPROVED THE EROSION CON7ROL MEASURES, THE CONTRACTOR CAN BEGIN GRADING OPERATIONS 7 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 DAYS TO DENUDED AREAS 7HAT MAY NOT BE AT FINAL GRADE BUT WILL REMAIN DORMANT (UNDISTURBED) FOR LONGER THAN 30 DAYS. PERMANENT STABILIZA7ON SHALL BE APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR MORE THAN ONE YEAR. 8. BEGIN GRADING THE SITE AND INSTALLING THE ENTRANCE ROAD AND PARKING LOT. GRADE THE PAD AREA FOR THE BUILDING. CLEAR AND GRADE THE REMAINING PROPOSED DISTURBED AREA FOR THE VINEYARD. 9. INSTALL THE GRAVEL AND /OR ASPHALT FOR THE PARKING LOTS AND ROADS FOR THE PROJECT. 10. INSTALL ANY REMAINING EROSION CONTROL ITEMS AS SHOWN ON THE EROS /0N AND SEDIMENT CON7ROL PLAN, INCLUDING ALL DUST PROTECTION, SEEDING AND STABILIZATION 11. ONCE THE S17E IS STABILIZED AND THE INSPECTOR HAS GIVEN APPROVAL, THE CONTRACTOR CAN REMOVE THE EROSION CONTROL MEASURES. NO ITEM SHALL BE REMOVED UNLESS THE UPSTREAM AREAS ARE STABILIZED AND THE INSPECTOR GIVES PERMISSION. 12. MAINTAIN ALL EROSION CONTROL MEASURES AS SPECIFIED IN THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK, REMOVING ONLY WHEN APPROVED BY THE LOCAL PROGRAM ADMINISTRATOR IN ACCORDANCE WITH THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. 13. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN 30 DAYS AFTER FINAL SITE STABILIZATION OR AFTER THE TEMPORARY MEASURES ARE NO LONGER NEEDED, UNLESS OTHERWISE AUTHORIZED BY THE LOCAL PROGRAM ADMINISTRATOR. TRAPPED SEDIMENT AND THE DISTURBED SOIL AREAS RESULTING FROM THE DISPOSITION OF TEMPORARY MEASURES SHALL BE PERMANENTLY STABILIZED TO PREVENT FURTHER EROSION AND SEDIMENTA TION. DESCRIPTION OF EROSION & SEDIMENT CONTROL MEASURES: EROSION AND SEDIMENT CONTROL MEASURES• IT IS ANTICIPATED TO USE CONSTRUCTION ENTRANCES, DIVERSION DYKES, SEDIMENT TRAPS AND BASINS, AND SILT FENCES 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 FOR LATER SPREADING. STOCKPILE LOCATIONS SHALL BE ON SITE AND SHALL BE STABILIZED WITH A TEMPORARY VEGETATIVE COVER. PERMANENT SEEDING WILL BE PERFORMED FOR ALL AREAS WHICH WILL NO LONGER BE E XCA VA TED AND WHERE CONSTRUCT/ 0 N ACTIVITIES HAVE CEASED. PERMANENT SEEDING SHALL ALSO BE PERFORMED FOR ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR A YEAR OR MORE. SELECTION OF AP P' Y SEEDING WILL B U WILL DEPEND ON THE TIME OF YEAR PLIED. TEM ORAR EED LL E PERFORMED FOR SEED MIXTURE ALL DENUDED AREAS WHICH WILL BE LE FT DORMA NT FOR MORE THAN SEV E N DAYS. THESE AREAS SHALL BE SEEDED WITH. FAST GERMINATING VEGETATION IMMEDIATELY FOLLOWING GRADING OF THOSE AREAS SELECTION OF SEED MIXTURE WILL DEPEND ON THE TIME OF YEAR APPLIED. 3.01 SAFETY FENCE - TO PROHIBIT THE UNDESIRABLE USE OF AN EROSION CONTROL MEASURE BY THE PUBLIC. SAFETY FENCE WILL BE INSTALLED AROUND THE PROPOSED SEDIMENT BASIN AND SEDIMENT TRAP. 3.02 CONSTRUCTION ENTRANCE - TO REDUCE THE AMOUNT OF MUD, TRANSPORTED ONTO PAVED PUBLIC ROADS BY MOTOR VEHICLES OR RUNOFF. A CONSTRUCTION ENTRANCE WILL BE INSTALLED AT THE ENTRANCE TO PLANK ROAD, TO PROTECT PLANK ROAD. 3.05 SILT FENCE- SILT FENCE WILL BE PLACED ON THE DOWNSTREAM SIDE OF DISTURBANCE WHERE NOTED ON THE PLANS. 3.09 TEMPORARY DIVERSION DIKE- DIVERSION DIKES WILL BE USED AROUND THE PER /METER OF SITE DISTURBANCE WHERE SHOWN ON THE PLANS TO DIRECT RUNOFF TO ON -SITE SEDIMENT CONTROL FACILITIES. 3.13 TEMPORARY SEDIMENT TRAP- A TEMPORARY SEDIMENT TRAP WILL BE INSTALLED WHERE SHOWN ON THE PLANS. 3.14 TEMPORARY SEDIMENT BASIN- A TEMPORARY SEDIMENT BASIN WILL BE INSTALLED WHERE SHOWN ON THE PLANS 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 PROTECT /ON 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. 3.36 SOIL STABILIZATION BLANKETS AND MATTING- BIM SHALL BE (EMPLOYED WHEREVER SHOWN ON THE PLANS OR WHERE SLOPES EXCEED J.1 SLOPE. 3.38 TREE PRESERVATION AND PROTECTION- TREE PRESERVATION FENCING SHALL BE INSTALLED WHERE SHOWN ON THE PLANS. NO TREES SHALL BE HARMED OUTSIDE OF THE LIMITS OF TREE PROTECT /0N FENCING. 3.39 DUST CONTROL- DUST CONTROL SHALL BE APPLIED THROUGHOUT THE SITE WHERE SHOWN ON THE PLANS. S TORM WA TER MA NA GEMEN T: THE STORMWATER MANAGEMENT SYSTEM FOR THIS PROJECT WILL BE HANDLED BY A PROPOSED RAIN GARDEN BIORETENTION AREA. THIS RAIN GARDEN WILL BE LOCATED BELOW THE PROPOSED SPECIAL EVENTS BUILDING AND GRAVEL PARKING AND ENTRANCE ROAD. MOST OF THE DRAINAGE WILL SURFACE FLOW TO THE RAIN GARDEN FOR TREATMENT. A COMBINATION OF THE RAIN GARDEN AND CISTERN SYSTEM WILL BE USED FOR DETENTION, AS NECESSARY. THE RAIN GARDEN WILL PROVIDE WATER QUALITY AND WATER DETENTION FOR THE PROPOSED DEVELOPMENT. MANAGEMENT PLAN EROSION CONTROL NOTES ES -1: UNLESS OTHERWISE INDICATED, ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES WILL BE CONSTRUCTED AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA REGULATIONS VT 625 -02 -00 EROSION AND SEDIMENT CONTROL REGULA TONS 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 MAINTAINED ON THE SITE AT ALL TIMES. ES -5: PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS (OTHER THAN INDICATED 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 THE PLAN APPROVING AUTHORITY. ES -Z ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL TIMES DURING LAND DISTURBING ACTIVITIES AND DURING SITE DEVELOPMENT UNTIL FINAL STABILIZATION IS ACHIEVED. ES -8. DURING DEWA TER /NG OPERA TIONS, WA TER WILL BE PUMPED INTO, AN APPROVED WATER FILTERING DEVICE. ES -9: THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY AND AFTER EACH RUNOFF - PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL BE MADE IMMEDIATELY. EROSION CONTROL NOTES 1. THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO THE PRE - CONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT OF LAND DISTURBING ACT /VITY, AND ONE WEEK PRIOR TO THE FINAL INSPECTION. 2. ALL EROS /ON AND SEDIMENT CONTROL MEASURES WILL BE CONSTRUCTED AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA REGULA7ONS VR 625 -02 -00 EROSION AND SEDIMENT CONTROL REGULATIONS. J. ALL EROSION AND SEDIMENT CONTROL 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 SITE AT ALL TIMES. 5. PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICATED 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. 6. THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS DETERMINED BY THE PLAN APPROVING AUTHORITY. 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 STABILIZATION IS ACHIEVED. 8. DURING DEWATER/NG OPERATIONS, WATER WILL BE PUMPED INTO AN APPROVED F/L TERING DEVICE. 9. THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY AND AFTER EACH RUNOFF - PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL BE MADE IMMEDIA TEL Y. 10. ALL FILL MATERIAL TO BE TAKEN FROM AN APPROVED, DES IGNATED BORROW AREA. it. ALL WASTE MATERIALS SHALL BE TAKEN TO AN APPROVED WASTE AREA. EARTH FILL SHALL BE INERT MATERIALS ONLY, FREE OF ROOTS, STUMPS, WOOD, RUBBISH, AND OTHER DEBRIS 12. BORROW OR WASTE AREAS ARE TO BE RECLAIMED WITHIN 7 DAYS OF COMPLETION PER ZONING ORDINANCE SECTION 5.1.28. 13. ALL INERT MATERIALS SHALL BE TRANSPORTED IN COMPLIANCE WITH SECTION 13 -301 OF THE CODE OF ALBEMARLE. 14. BORROW, FILL OR WASTE ACTIVITY INVOLVING INDUSTRIAL - TYPE POWER EQUIPMENT SHALL BE LIM /TED TO THE HOURS OF 7.• 00 AM TO 9.00 PM. 15. BORROW, FILL OR WASTE ACTIVITY SHALL BE CONDUCTED IN A SAFE MANNER THAT MAINTAINS LATERAL SUPPORT, OR ORDER TO MINIMIZE ANY HAZARD TO PERSONS, PHYSICAL DAMAGE TO ADJACENT LAND AND IMPROVEMENTS, AND DAMAGE TO ANY PUBLIC STREET BECAUSE OF SLIDES, SINKING, OR COLLAPSE. 16. THE DEVELOPER SHALL RESERVE THE RIGHT TO INSTALL, MAINTAIN, REMOVE OR CONVERT TO PERMANENT STORMWATER MANAGEMENT FACILITIES WHERE APPLICABLE ALL EROS /ON CONTROL MEASURES REQUIRED BY THIS PLAN REGARDLESS OF THE SALE OF ANY LOT, UNIT, BUILDING OR OTHER PORTION OF THE PROPERTY. 17. 7E'MPORARY STABILIZATION SHALL BE TEMPORARY SEEDING AND MULCHING. SEEDING IS TO BE AT 75 LBS /ACRE, AND IN THE MONTHS OF SEPTEMBER TO FEBRUARY TO CONSIST A 50150 MIX OF ANNUAL RYGRASS AND CEREAL WINTER RYE, OR IN MARCH ANO APRIL TO CONSIST OF ANNUAL RYE, OR MAY THROUGH AUGUST TO CONSIST OF GERMAN MILLET. STRAW MULCH IS TO BE APPLIED AT 80LBS1100SF. ALTERNATIVES ARE SUBJECT TO APPROVAL BY THE EROSION CONTROL INSPECTOR. 18. PERMANENT STABILIZATION SHALL BE LIME AND FERTILIZER, PERMANENT SEEDING, AND MULCH. AGRICULTURAL GRADE LIMESTONE SHALL BE APPLIED AT 9OLBS 11000SF, INCORPORATED INTO THE TOP 4 -6 INCHES OF SOIL. FERTILIZER SHALL BE APPLIED AT EN NUTRI 0 1000LBS / ACRE AND CONSIST OF A 10-20-10 T - MIX. PERMANENT SEEDING 1 X E NENT S SHALL BE APPLIED AT 180 ACRE A CONSIST KENTUCKY R A LBS/ AND CO OF 95% EN UCKY 31 0 TALL FESCUE AND 0 -59' P ERENNIAL RYGR A S S OR KENTUCKY BLUEGRASS STRAW IS TO BE APPLIED AT 80LBS 11 00SF. ALTERNATIVES ARE SUBJECT, TO APPROVAL BY THE EROSION CONTROL INSPECTOR. R 19. MAINTENANCE. • ALL MEASURES ARE TO BE INSPECTED WEEKLY AND AFTER EACH RAINFAL L. ANY DAMA GE OR CLOGGING TO ST R UC T URAL MEASU R ES IS TO BE REP HIRE D IMMEDIATELY. SILT TRAPS ARE TO BE CLEANED WHEN 50% 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 COLLEC77NG SEDIMENT TO HALF THEIR HEIGHT MUST BE `CLEAYVED AND REPAIRED IMMEDIA TEL Y. ' 20. ALL TEMPORARY EROSION AND SE D IME N T CON TROL MEASURES A RE TO BE R EMOV E D WITHIN 30 DAYS OF FINAL SITE STABIL /Z4770N, WHEN MEASURES ARE NO LONGER N EEDED, SUBJE CT TO APPROVAL BY TH E EROSION CONTROL INSPECTOR. T INSPECTOR HAS T AUTHORITY TO ADD OR E E E& CONTROLS AS 21. HE E &S INSPE HE D L 7E S NECESSARY IN THE FIELD AS SITE CONDITIONS CHANGE. IN ADDITION, NO SEDIMENT BASIN OR TRAP CAN BE REMOVED WITHOUT WRITTEN AUTHORIZATION. SOIL DESCRIPTION 19C - CULLEN LOAM, 7% TO 15% SLOPES SOURCE MATERIAL RESIDUUM WEATHERED FROM ACID AND BASIC IGNEOUS ROCK. CONVEX DOWN -SLOPE SHAPE. 60 TO 120 INCHES TO PARAL17HIC BEDROCK. WELL DRAINED. VERY LOW TO MODERATELY HIGH KSAT (0 -0.2 IN/HR). NO FREQUENCY OF PONDING OR FLOODING, MODERATE WATER CAPACITY (ABOUT 7.6 INCHES). 19D - CULLEN LOAM, 15% TO 25% SLOPES. SOURCE MATERIAL RESIDUUM WEATHERED FROM ACID AND BASIC IGNEOUS ROCK. CONVEX DOWN -SLOPE SHAPE. 60 TO 120 INCHES TO PARAL/THIC BEDROCK. WELL DRAINED. VERY LOW TO MODERATELY HIGH KSAT (0 -0.2 1N /HR). NO FREQUENCY OF PONDING OR FLOODING. MODERATF WATER CAPACITY (ABOUT 7.6 INCHES). 198 - CULLEN LOAM, 27S TO 7% SLOPES SOURCE MATERIAL RESIDUUM WEA7HERED FROM ACID AND BASIC IGNEOUS ROCK. CONVEX DOWN -SLOPE SHAPE. 60 TO 120 INCHES TO PARAL/TH/C BEDROCK. WELL DRAINED. VERY LOW TO MODERATELY HIGH KSAT (0 -0.2 IN/HR). NO FREQUENCY OF PONDING OR FLOODING. MODERATE WATER CAPACITY (ABOUT 7.6 INCHES). 2OC3 - CULLEN CLAY LOAM, 77o TO 15% SLOPES, SEVERELY ERODED. SOURCE MATERIAL RESIDUUM WEATHERED FROM ACID AND BASIC IGNEOUS ROCK. CONVEX DOWN -SLOPE SHAPE. 60 TO 120 INCHES TO PARAL/THIC BEDROCK. WELL DRAINED. VERY LOW TO MODERATELY HIGH KSAT (0 -0.2 IN /HR). NO FREQUENCY OF PONDING OR FLOODING. MODERATE WATER CAPACITY (ABOUT 7.4 INCHES). 79B - STARR SILT LOAM, 2% TO 7% SLOPES SOURCE MATERIAL COLLUV/UM DERIVED FROM IGNEOUS ROCK. CONVEX DOWN -SLOPE SHAPE. MORE THAN 80 INCHES TO RESTRICTIVE FEATURE. WELL DRAINED. MODERA TEL Y HIGH TO HIGH KSA T (0.57 -1.98 /N /HR). NO FREQUENCY OF PONDING. OCCASIONAL FREQUENCY OF FLOODING. HIGH WATER CAPACITY (ABOUT 9.4 INCHES). 38C - HAYESV/LLE VERY STONY LOAM, 773 TO 157S SLOPES. SOURCE MATERIAL RESIDUUM WEATHERED FROM GRANITE AND GNEISS CONVEX DOWN -SLOPE SHAPE. MORE THAN 80 INCHES TO RESTRICTIVE FEATURE WELL DRAINED. MODERA TEL Y HIGH TO HIGH KSA T (0.57 -1.98 /N /HR). NO FREQUENCY OF PONDING OR FLOODING. HIGH WATER CAPACITY (ABOUT 10.6 INCHES). REFERENCE. WEB SOIL SURVEY ONLINE DATABASE, FOUND AT h t tp: / /websoit survey. nres. usda. go vlcppIWebSoil Survey. aspx .E'ROS'ION & 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 SECTION CONSIST OF THE FOLLOWING: 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 CONTROL MEASURE OR SERIES OF MEASURES WHICH CAN BE CONSIDERED UNSAFE BY VIRTUE OF POTENTIAL ACCESS BY THE PUBLIC. 3.02 CONSTRUCTION ENTRANCE,• A STABILIZED PAVED CONS7RUC710N 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. CONSTRUC77ON ENTRANCES SHALL BE INSTALLED AS SHOWN ON THE PLANS TO REDUCE THE AMOUNT SEDIMENT TRANSPORTED ONTO PUBLIC ROADWAYS 3.05 SILT FENCE,• A TEMPORARY SEDIMENT BARRIER CONSIS77NG OF A SYNTHETIC FILTER FABRIC S7RETCHED ACROSS AND ATTACHED TO SUPPOR77NG POSTS AND EN7RENCHED, TO INTERCEPT AND DETAIN SMALL AMOUNTS OF SEDIMENT FROM DIS7URBED AREAS DURING CONSTRUC77ON OPERATIONS IN ORDER TO PREVENT SEDIMENT FROM LEAVING 7HE 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 WITH MINIMAL GRADES TO FILTER SEDIMENT LADEN RUNOFF FROM SHEET FLOW AS INDICATED. THEY SHALL BE INSPECTED IMMEDIATELY AFTER EACH RAINFALL AND MAINTAINED W ACCORDANCE WITH THE VIRGINIA EROSION & SEDIMENT CONTROL HANDBOOK (VESCH). 3.09 TEMPORARY DIVERSION DIKE.• A TEMPORARY RIDGE OF COMPACTED SOIL CONS7RUCTED AT THE TOP OR BASE OF A SLOPING DISTURBED AREA. TO DIVERT STORM RUNOFF FROM UPSLOPE DRAINAGE AREAS A wA Y FROM UNPROTECTED 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 DISTURBED AREAS AND SLOPES OR RETAIN SEDIMENT ON SITE DURING CONSTRUC770N. .THESE STRUCTURES GENERALLY HAVE A LIFE EXPECTANCY OF 18 MONTHS OR LESS, WHICH CAN BE PROLONGED WITH PROPER MAINTENANCE. Ji 13 TEMPORARY SED /MENT 7RAP: A TEMPORARY PONDING AREA FORMED BY CONSTRUCTING AN EAR77-IEN EMBANKMENT W/TH A STONE OUTLET. TO DETAIN SEDIMENT-LADEN RUNOFF FROM SMALL DISTURBED AREAS LONG ENOUGH TO ALLOW THE MAJORITY OF 7HE SEDIMENT TO SETTLE OUT USE BELOW DISTURBED AREAS WHERE THE TOTAL CONTRIBUTING DRAINAGE AREA IS LESS THAN 3 ACRES, WHERE THE SEDIMENT TRAP WILL BE USED NO LONGER THAN 18 MONTHS, AND IT MAY BE CONS7RUC7ED EITHER INDEPENDENTLY OR IN CONJUNCTION WITH A TEMPORARY DIVERSION DIKE. 3.14 TEMPORARY SEDIMENT BASIN, A TEMPORARY BARRIER OR DAM WITH A CON7ROLLED STORMWATER RELEASE STRUCTURE FORMED BY CONSTRUCTING AN EMBANKMENT OF COMPACTED SOIL ACROSS A DRA/NAGEWAY. TO DETAIL SEDIMENT -LADEN RUNOFF FROM DISTURBED AREAS IN "WET" AND `DRY" STORAGE LONG ENOUGH FOR THE MAJORITY OF THE SEDIMENT TO SETTLE OUT APPLIES BELOW DISTURBED AREAS WHERE THE TOTAL CONTRIBUTING DRAINAGE AREA IS EQUAL TO OR GREATER THAN THREE ACRES. THERE MUST BE SUFFICIENT SPACE AND APPROPRIATE TOPOGRAPHY FOR 7HE CONSTRUCTION OF A 'TEMPORARY IMPOUNDMENT. 118 OUTLET PROTECTION: S7RUCTURALLY LINED APRONS OR OTHER ACCEPTABLE ENERGY DISSIPATING DEVICES PLACED AT 7HE OUTLETS OF PIPES OR PAVED CHANNEL SECTIONS TO PREVENT SCOUR AT STORMWATER OUTLETS, TO PROTECT THE OUTLET STRUCTURE, AND TO MINIMIZE THE POTEN7IAL FOR DOWNSTREAM EROS /ON BY REDUCING THE VELOCITY AND ENERGY OF CONCEN7RA7ED STORMWATER FLOWS APPLICABLE TO THE OUTLETS OF ALL PIPES AND ENGINEERED CHANNEL SECTIONS 3.19 R IPRAP. A PERMANENT, EROSION - RESISTANT GROUND COVER OF LARGE, LOOSE, ANGULAR STONE W17H FILTER FABRIC OR GRANULAR UNDERLINING. TO PR07E'CT 7HE SOIL FROM THE EROSIVE FORCES OF CONCENTRATED RUNOFF, SLOW THE VELOCITY OF CONCENTRATED RUNOFF WHILE Ek{.ANCING THE PO7EN77AL FOR /NF /L IRA77ON, AND TO STABILIZE SLOPES W17H SEEPAGE PROBLEMS,! AND /OR NON - COHESIVE SOILS USE WHEREVER SOIL AND WATER INTERFACE AND THE SOIL'COND /TIONS, WATER TURBULENCE AND VELOCITY, EXPECTED VEGETA77VE COVER, ETC., ARE SUCH THAT THE SOIL MAY ERODE UNDER THE DESIGN FLOW CONDITIONS. 3.30 TOPSOILING. METHODS OF PRESERVING AND USING THE SURFACE LAYER OF UNDISTURBED SOIL, OFTEN ENRICHED IN ORGANIC MATTER, IN ORDER TO OBTAIN A MORE DESIRABLE PLANTING AND GROW7H MEDIUM. TO PROVIDE A SUITABLE GROWTH MEDIUM FOR FINAL SITE STABILIZA77ON WITH VEGETATION. USE WHERE THE PRESERVATION OR IMPORTATION OF TOPSOIL IS DE7ERM/NED TO BE THE MOST EFFEC77VE METHOD OF PROVIDING A SUITABLE GROWTH MEDIUM. USE WHERE THE SUBSOIL OR EXISTING SOIL IS UNSUITABLE, WHERE HIGH - QUALITY TURF IS DESIRABLE TO WITHSTAND INTENSE USEz OR MEET AESTHE77C REQUIREMENTS, WHERE ORNAMENTAL PLANTS WILL BE ESTABLISHED, AND ONLY ON SLOPES THAT ARE 2.• 1 OR FLATTER UNLESS OTHER MEASURES ARE TAKEN TO PREVENT EROSION AND SLOUGHING J.31 TEMPORARY SEEDING: THE ESTABLISHMENT OF A TEMPORARY VEGETA77VE COVER ON DISTURBED AREAS BY SEEDING WITH APPROPRIATE RAPIDLY GROWING ANNUAL PLANTS TO REDUCE EROSION AND SED /MENT4770N 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 PR07EC77ON TO BARE SOILS EXPOSED DURING CONS7RUCT/ON UN77L PERMANENT VEGETA77ON OR OTHER EROSION CON7ROL MEASURES CAN BE ESTABLISHED. 3 32 PERMANENT 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 SELECTION OF THE MOST APPROPRIATE PLANT MATERIALS. TO IMPROVE WILDLIFE HABITAT. TO ENHANCE NATURAL BEAUTY. UPON COMPLETION OF CONSTRUCTION AC77W77ES, ALL AREAS WILL RECEIVE A PERMANENT VEGETA77VE COVER. 3.36 SOIL STABILIZATION BLANKETS & MATTING, THE INSTALLATION OF A PR07E'CTIVE COVERING (BLANKET) OR A SOIL STABILIZATION, MAT ON A A F 0 R /NG PREPARED PLANTING AREA 0 A STEEP SLOPE, CHANNEL 0 SHORELINE. TO AID IN CON7ROLL EROSION ON CRI77 CAL AREAS BY PROVIDING A MICROCLIMATF WHICH PROTECTS YOUN G VEG ET477ON AND P A PROMOTES /TS ESTABLISHMENT. APPLIES ON SHORT, STEEP SLOPES WHERE EROSION HAZARD 1S HIGH AND P L AN77NG IS LIKELY TO BE TOO SLOW IN PROVIDING ADEQUATE PR07EC 77VE COVER. 338 7REE PRESERVATION AND PROTECTION, PR C77ON OF DESIRABLE TREES FROM MECHANICAL OR 7HER INJURY DURING LAND DISTURBING AND O1E BL M 0 CONSTRUCTION ACTIVITY. TO ENSURE THE SURVIVAL OF DESIRABLE TREES WHERE THEY WILL BE EFFEC77VE FOR EROSION AND SEDIMENT CONTROL, WATERSHED PROTEC710N, LANDSCAPE BEAU77F /CATION, DUST AND POLLUTION CON7ROL, NOISE REDUC77ON, 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 ACT7NT /ES. 3.39 DUST CONTROL: REDUCING SURFACE AND AIR MOVEMENT OF DUST DURING LAND DISTURBING, DE114OL1770N AND CONSTRUCTION AC77W77ES. TO PREVENT SURFACE AND AIR MOVEMENT OF DUST FROM EXPOSED SOIL SURFACES AND REDUCE THE PRESENCE OF AIRBORNE SUBSTANCES WHICH MAY PREVENT HEALTH HAZARDS, 7RAFF/C SAFETY PROBLEMS OR HARM ANIMAL OR PLANT LIFE. DUST CONTROL MEASURES - SHALL BE EMPLO YE D TO PREVENT S U R FAC E AND AIR MOVE M E NT OF DUST D URING CONSTRUCTION. MEASURES EMPLOYED SHALL BE IN ACCORDANCE WITH 7HE VESCH. 0 O -- THIS PROJECT 0 0 VICINITY MAP SCALE: 1" = 21000' SHEET INDEX TITLE TITLE SHEET 1 EROSION CONTROL PLAN 2 ROAD PROFILE 3 ROAD PROFILE 4 EROSION CONTROL NOTES & DETAILS 5 STORMWATER MANAGEMENT PLAN 6 TOTAL SHEETS 6 LEGEND Iii M i EROSION CONTROL * HANDBIOOKRSPECIFICA77ON NUMBER CON7ROL OSTB EXISTING CULVERT STRAW BAIL BARRIER 3.04 CUL VERT O DD 0 1 DROP INLET & STRUCTURE NO. 3.09 CURB & TEMPORARY SEDIMENT TRAP CURB & GUTTER (�) SEDIMENT BASIN PROPOSED PAVEMENT 0 0 EC -3A DITCH* INLET PROTECTION 6„ --10 - YW DEPTH OF EC -3A DITCH �---- I EC -2 DITCH 6" DEPTH OF EC -2 DITCH ,,, ... EARTH DITCH 3.02 DR/ VEWA Y CUL VERT ' BENCH MARK _ _ _ - CLEARING LIM/ TS 0- VOOT STANDARD STOP SIGN zoo EXISTING CONTOUR 200 PROPOSED CONTOUR 3.12 PROPOSED SPOT ELEVATION TAB DENOTES TOP OF BOX EROSION CONTROL * HANDBIOOKRSPECIFICA77ON NUMBER CON7ROL OSTB STRAW BAIL BARRIER 3.04 O DD >■ TEMPORARY DIVERSION DIKE 3.09 OST & TEMPORARY SEDIMENT TRAP 3.13 (�) SEDIMENT BASIN 3.14 0 0 INLET PROTECTION 3.07 --10 - YW 0 SF x X X SILT FENCE 3.05 OCE CONSTRUCTION ENTRANCE 3.02 CD ' CHECK DAM 3.20 aTEMPORARY FILL DIVERSION 3.10 D V D/ VERSION 3.12 SPS PERMANENT SEEDING 3.32 0 TO TO TOPSOILING 3.30 C/P CULVERT INLET PROTECTION 3.08 DC _4 DC DUST CONTROL 3.39 TSD I -- 13 TEMPORARY SLOPE DRAIN 3.15 SA SAFETY FENCE 3.01 RW E� >■���■i[ TEMPORARY RIGHT -OF -WAY 3.11 D/ VERSION APPROVALS DEPARTMENT OF COMMUNITY DEVELOPMENT PLANNER/ ZONING ENGINEER INSPECTIONS ARB DEPARTMENT OF FIRE RESCUE ALBEMARLE COUNTY SERVICE AUTHORITY VIRGINIA DEPARTMENT OF TRANSPORTATION ., ,FA SCOTT R. COLLINS Z No. 35791 ,2� o��SSjONAL E��1� , z O Ea w w 0 z O (n w w U) Zt Lu O N N W ce O < ;W a � 37 z ,O w . P-4 o � sz z y !0 O w ,u w . a w 7 o (c) w 'i Q n O iz� '� L 1 ul Z 1 ■ • 01 r_. m 01 N 4 rn G cV 0 CN N w h-4 W H (a �_"-, �4. V G W w O P4 w W..4 W w M0 W i. •} L: i . r . , z Q J a- z w 5" W U Q z 0 ° Q 0 c G a L a T W ° L L f--• ° }Q Q) } Q) - 5- cy- o z °z 0 0E �w W w z U) C 7 °z ° w ® L u) z w ° az Q W �o =L ° o J v o (f) o c W L 3. , I _ _1 S U Z 0� o � 0 -� 0 L V o3 "� z a) L O a x 1-1 0 ° (10 �5 t O ° / E o r�s W °3 0 al Q z° ce w o w (,) z ° Z.0 w U w In L_ L• z I c z � c 1-1 0 ° U L 0-,, ° T re e ° CL o a ° :°- I 6 0 U 1-1 (1) ° L -c - c z 1-1 w a. 2 0- uj _E U •- n. iii 'O - JOB N0. � 102043 .o V) 6 1> SCALE ° 'w -° ? NONE ° •_ V. c L ° > SHEET NO, Q. o 1 °' �° H 3 .. - - -AREAS -TO-- REMAIN -` _ — -! i .. .. � / \ ..,� Igo p - _- \ -� -\ _ _. ROAD (TYPE} / / / I I. - -- - -\ _ - -:- -- - -- -- -- _•''�-- - - f I / TREE ,PROTECTION' ' - . _ - _ TIE-IN IN ,DIV SI 1 OCAT(ON OF... / I / NOTE NO MUD OR SEDIMENT SHALL BE TRACKED - -- - -- -- - -- - -- - - ;` /PROPOSED I' / / S TY FEN E_ ' TI EE IN �T F g ONTO PLANK ROAD OR RT. 29. IF ANY MUD OR - - - \- _ _ - —soll� - -- _ .. .... / AFE - C / TP - \`` IrXIS N T,k J, C (Y-Y - _ ERM` -TO PROPOSE .. a - -- NOR LAND - ___ - 790 b: :SE TrC FIELd•. / _ - ___ - / \ LEE SLITHER SEDIMENT IS FOUND ON THESE ROADS AT ANY TIME - - \- -- -- _TYPE _-- ...- PROP_.OSE LIMITS OF / / / T9�f'�ROTECT TREE _ \ \ ROADSIDE DITCH / i // THROUGHOUT THE CONSTRUCTION PROCESS THIS WILL MA / _- — — _ — / D.B. 698, P9 38o r .. -- - 3sc - ;.!:. �'. ` ,'ARE�S TO �EMAIN� ) / DMA- �NAG'€/�cREA TO, ,-- i / / \ IMMEDIATELY RESULT IN A STOP WORK ORDER ISSUED / _ - -- \ - -..- \ - - DLSTURBAN -CE --- --25.7 ACRES .' _ - .. ° ,. - / , ` ( / / -- -- _ / / / / / / VILLAGE RESIDENTIAL �° - __ - - - / \ / � � \ �. SEDIMENT -BASIN i \ BY ALBEMARLE COUNTY. / l' _ � _ — — - ' ` . / i J \,. /� r \ I -- \ `` , ' � , D.A. =13.9 acres , � ' / / ' / / / \ r' `4 ' , -- - -- - -- ; / /� \ _ J \ � \ / ' _ \ \, �. SOIL ~ \ Ew -ar6o- -- _ / - i •� \ / s 1 �r- -_. ` _ — -_ \ _ / f ' � i i I � \ � TYPE\ Tc =22- 22 / / i 1bo' l / — -- -3 / — — - _ — - - � / SOIL - / I I \ \ \ \ — DD i - I / / / \� \\ - --\- ----- - \_ z9B ��`� ` � \ +�' / / / ( NOTE: fEfi.Y-EENCS-TO ENCOMPASS- `"w , i - / � / / / � � � \ / / / /) \ - - -_ _ ': I �\ / \ �SEQIM TALL' TIMES FOR SAFETY. / / / ' v„ • c / E C2-.ISTING TREE'LINE - (TYP). - - -x- %x �`- - -� ��'\\ / / INST�CLL, SIGNS �ARQUND BASIN THAT READ . = / = ,/ I- -6' G SSr \ / °� / - - _ _ _ i PROPOSED STOCKPILE- AREA - I / �, - 6 GRASS - : -' / \\ \�\ / / / / / - _ _ _ \ � --TO BE ENCOMPASSED BY --,z �.. � / \ WARNING­-,Q UICK SAND, KEEP OUT r -- I..,�,- % - - GHOUL R _ - _\ / ..- SHOULDER I ,' / / / / / / / / k / - _- _ R � , SILT EEf�CE AT`A-LL- TIME,. :; / �\` PROP,OSED� I� _- - -- = - (T / / _ _�TYP.� -- `�, / ... - / / / / / / \� \ _ - - -- �- �x \- , FA - 'RR0POSED 24�, - -- - - / ' - - - - °`�, / / - - - / _ \ / / HDP ER -� � •� - . / / // / / / - -. - ' -- _ : \ 0 SEE DETAILS, -- - / _ _.X50 `�, \\ ',_1 / / \ - -- �6 / , - - _ _. ' - -... = PROPOS D LIMITS OF / / — - _ \ \ / / / / / ``�• -- _ __._ SHEET 3 FOR � � � _- ._ ,E / - / � / / / / r _ - ---- \ ,\ \ -' "I, \ . - - -- BASIN - - DESIGN - __ / \ \ - -- - - -- ` / / / ".. ._ - - - -- - / -DISTURBANCE =2,5.7 ACRES ®e \ -411 -- / FINAL ENTRANCE ROA6 DESIG /l'-.. \ \ % / / / / / - \� \ \ - / / p' 5 i'�� - - »_3" - CRUSHED STONE DkJST / - - -- - - ' / �. N . / / / / , \ \ _._ -.._ --OVER ,EXkSTING ^8'�.STONE ROAD _ _ - / / - - - - --_- _-- - - / / -- - / 1 -- \ v - - - B�D`COMPACTED FROM _ _ - _ TMP 87-3B / / - - - / DU - -- - \ OUTLET PROTECTION_ \ \ -- / .•.. '� ``` JAMES &JANET /STERN �° 11, / / I �- ! / / �� \ / \ \ \ - - ` _ �4s._ _ \ ` - OP SLOPE =.O_0 CONSTRUCTION ;TRAP i _ - - __ _ \ ti �— - - -- - - \ i D B 2250,-P9 ,_ 3 / / / - \ \ \ - i ��� L -20''. W -22.5. _ �• - - RUR- At-AREAS / `�, / // / I I /\ - \ \ NOTE. THIS BASIN SHAD / _ 40- - / \ / , \ _ ,� > � -. / , -/, / DD /DkAINAGEAR�A TO - \_. / \ / / \ % REMAIN�IN_O Ef ATION�FOR J 50 - D =2 _ - \ _ - / / , / / / I I _ _� _ \ o / _ f THE GRADING AND LAND i `� \ ,, / i / : ` \ / SEDIMEN-FTRA' — - — _ �� / - / I \� _ \ \ \ ; _ - - DRAINAGE AREA_TO _ / .11 / I / / % I \ \ \ \ / DIST�JRBANCE, ASSOCIATED -- - 1 _ _ _ ! - - - - - i - `- \ \ \ --- WITH_.,THE BUILDfNG, PARKING, / / SEDi1MENT TRAP #2 / D.A -3. air �_ _ /� / / - E P \ / R ADS .AND VINEYARD / , \ �. - : ,�':.::: / / CW =B: X / / S / / / / / I I �\ - - 37 / \ _.. - '�\ \ \ c DA.- .6 awes _ / = - - \ / / \ / \ \ I / / CONSTRUCTION... _ / / _ ) \ �� - / : > / - TC =1 �t`llri / __ - / - - _ - I I \ / / / - - PROPOSED 18 \ 33 , . / �' ; :. ' ` / - -. r / I � S \ _ / / / i _. - : :• M 86- / / T P/ 87 / / % I \ / _ HDPE BA REL/ OUTFACE �� '-T = mirl - - - -- i - _--- - < ' - - ' - - - R ED ALL ESERV TI 9 N LC'C MI E HAH I \ ' :.... :::.... \ , / , �`` W /WIRE _ ` - / I ) �� / / / I ; - - .. , '\ - -_ \ __..._ \. / / U AR A ' q / \ - --- CKING \ _ -- / SEE DETAI 4.Q: . _.._ . - - / _ - _ - - r - \ _ , - / \ (3A i / i / I .. \: / / / I--- / /. - � /' \ � / / is , �... \ \\ I / % / \ - ,�/ / /SHE "F�R \ - = // - ' \ .-- - - �� \ / ^� / - / \ / / / / / / ,\ - - -- / / � / - / - - - - /: / - - GRAVEL CONSTRUCTION ' / / I - - - _ '` - ` _ �y / / / , \ \ / \ / / T P DESIG \ \� / / / I � / 1 \ \ \ \/ / / - - _ �, TM 86 -a8 \ �:'.< = - �°` - TS? BE INSTALLED FOR Aces / / / / 72o-. ____. - , — _ - — � \ 'y / ,' "' ' � � \ ? / - E GE VALLEY PRESEKVAT N L s.`' - TO THE PROPOSED BUILDI i - - - . / / / r / \ \ . / , PROPOSED LIMITS OF KE \ - -,, / _ - - \_ - - D J,O C/O M {. H f A � / / ,` \ / _ � E�UR L AR A DURING-CC�NSTRUCTION / I _ / / \/ / DIST RB�ANCE - 25.7 ACRES _ _ - - - - / - - - t / / - - / / ` / \� / i \ \ \ / / / / / " <.;' SEE C�ETAIL OF ROAD `°. CONTRACTORS �HaLL ACCESS / / / �/ ` / /�- ­l­ / / / / / / o / / \ / / J \ / \ _ / / / /' / / : ° / - - ON PROFILE SHEETS _THE BUIL�7I(�G ALONG THIS / / / / / - -_ / _ - - _ - / i / / / / �` \ / \ / � - -- -- / / -�- - ALIGNMENT OF THE' PROPO ,ED / � �, ' / - - / / / r - , ::. \ / \ / / ��s 3 AND 4 / / / /4 . ' / / % / \ " .....'.... / / / .`. ".:::; GRAVEL--ROADWAY. / / / -- -- - / i b / \ \ \ / � -- --SrtA ILtZATI©N MATTING °:: / - -- -. .. -- -- - -._.- .. -- ....._ -�.-_. / / / __ — / � 730- -- _..__ / / / _ - / / \ . ` \ \ \ \\ \ \ - I ,�/ � /- / A�Of�G AN'Y -OF-1 HE / _ \\ 8» STONE DEPTH- -' / / / / � - -- - - / - �' - / �' \ \\ / X \ TING XIS DITCH- .THAT IS / I - - - _- - - --- --- - - - - TYPE-#25/ STONE / / / / s11 / _ - __- - __ � / / \ \ \\ -� / _ �i D.IS'TURBED WITH THE / I - - CONSTRUCTION EN -ACE' / / \ _ , / r�o _.._._ - -- //l I \ / / ---/ / � ` \ \ \ i / - �: INSTA, I CATION - - -OF THE.. _._. _._._ ``°� a , `�- - - ` - - _ - f \ / / / , , -- �'°� , - J \ - ._ _ �_ -, f / SEDItv1ENT= TfAP`. RIGHT -OF -WAY GRAVEL / - - - `� \ \ \ OUTLET PROTEOTION OP W-- // I \ \ - / - - _- DI�RSION fi0- DIRECT FLOW _ / - / / / �, /° ;, _ -11 / i \ \� -� r' � r-/ SLOPE_ =0.0� / --- - - - - -- / / ." \ \ _ i / ;- / �' \ \ -\ / NSO_SEDIMENT TRAP \' / / � / / / / - - ;' - / / ,... / - ®` \ - - - C == W =14.4' ST2 = — -_ = SOIL _ -- / / / / �--� / / / - - - - \ i' �, / /. / / ' \ - - - / / - / - - D-2` _ - -- - �vPE - _ _ -- / i< / - _ i /GRAVEL fdTRANCE ROAD / \� -- _ / j c \ \ `� - �\ / i -( - .- # 6 - - - : / \ / \ _ 20 � 3 / / / — . ' - STONE OAD AY ^ 1. Z 0 a V V) w a z 0 > w U) Z! Lu Q O° H H W Ce � 0 �� rT'��R. COLLINS'� No. / 35791 ,� � TONAL volh 2 ;z z w O [E 5- E t0 P-" }}V U V) 0 0 � z ro o o a 0 Lij w �� C:�' , ­q -q , ;� 0 h o H -i z � O � l % ' z' I \ _--_ -- _ - _ / / - r - - - - - / / / / / 8s' THICK / 10�". r _ / \\ - \ / / / / . __ l / / - / / / / ,- �� z Z /''.. / \ / 11 n / O �` v / _ O I. G o' .w L. f / / - - _ / ` ) W /WIRE — :'.ter', - = � — — — — --- — —� — — - / / ft z \ -� (� ACK11�E - - / / / / / / / / / \/ "� \\ ____._._. FUTURE ROAD - PLaN PREVIOUSLY' APPROVED - / / 1) .. ;::ii :.::.: ,.... \� - BUNDORA A ROAD_._PLANS - I �` - - - �::.:::" _ - / % - / o - - , / �� j , / \, \ - - - - ___ — 30 R,EP CULVERT APPROVED \ - ;.�... - /° C,0 / / H W - - �\ / \ / \ / CE PAVED NSTRUC/1ION ' / / -_ / UNDER BUNDORAN FARM- ...ROAD ................... ........ ...:..:...:.::.:...;:: / ENTRANCE W W SH RAC / / (� 00- . � WATER PROTECTION _..___..- _._ ....:. , .... ..:, .� . ..,.. .. .:. : \- ;::= >;;; <•;:,:;:;,; / / A �. i _ _ _\ PANS / - i- {' s:�:. \ A __ - '� L l': 3• SCI RACK T OUT A INTO i� ::_._ ...:........,,:..: WASH 9 B U Eft 1. Ir 7 W -11 - � ,.� /� -�=_ -- / � ;- / ,-- � - --. `'� -- __, ,-. � BI FILTER APPROVEf� UNDER � ____. -1.T o - � EDIMENT TRA 13 x8"0 MIN. '/� � A MOUNTAIN LLC W � -° j ' - ,-- / - \ ' , _ \ ` / 6 +00 -_ \- 4 f p ' \ / / ( ° ` i / C _ ��� i - _ (( / ;;, / \ '� JJI / \� � BUNDORAN FARM ROAD PLANS " �3 -- J - — / , I � i \` r _�— � ; . / / , - - 1 �` / { ', AG / ESDIDENT{Al &RURAL AREA �' - W i A _ _ ,, PROPOSED ROAD PREVIOUS APPROVED UNDER -�_.. --_._ � =' / \ �,`:>';` ::.:.,. / � �;;' ,:' �/ , ) �-, / 1 i - � \ } / \ 1O — — — — — X :.F / - 1 R APPROVED %IDER C/1 w �__ �\ �` - / PHASE OF THE BUN Of�AN FARMS ROAD PLAN. - - % -�, / / �3 w = \ - "- - - - -- / / I'l 'EROSION CONTROL MEASURES AS\ SHOW WITH TH - - - --_ / AN F f ROAD P z /�.. -= -� -�� - \ M CANS -�, ". � \ -.- - / PfREVIOUS EROSION CONTROL PLAN FOR THE ROAD ,� _ -- --'<"' f ; ° ' \ z _._. _, } '-` � `'•' �- J I \\' PLANS-ALL E` INSTALLED- f�RIOR TO CONSTRUCTION %`" --- � = `� .` ' '� �, CP CULVERT APPROVED O >- w - \ — __ I 1 — CSR > \ ! .� \ - _ / / N ER B�JNDORAN FARM ROAD W v: ,B - -_._I \ \ \ � \ \ __ _ - - 1 / '/ �- ` AWD GRADII O OPERATIONS ASSOCIATED WITH THE WATER - -- - / / z / _ \ \ _ \ \- I - solL ,% ``; :.:.':•:::J:'...A ANS z / I \ -- -- \ \ / __ /� --(!� A _ ONSTRUCTION. - - - - - - LIMITS OF CRI LCA j ::.. 690 / i / G� o ,. \ — _ I �RO1fECTiON TYPE:•: / '" / / H / \ \ \ — — __ - ) ) / \ \ \ ,.� - ; - �. , ,� _ SLOPES SLOPES > 25� (TYP / BUFFER �9B , . / TE:�H15 CONSTRUCTION ENTRANCE SHALL 11 .: ,� I w \ \ I -- CRITICAL SLOPES SHALL NOT \ % E INSTALLED OPERATED AND MAINTAINED ! �T \ - _ fit:'; / ' i / "q °' - - - / � - d \ \ \ -_ - \ / , E IMPACTED / . Xo ;% / / 3 \ \ ( I ; C -� _ ° // BY TtHE CONTRACTOR. ALL CONSTRUCTION,' o _ -- - -- - \ 0 _ _ Y �� -.. / �`<; :`:#�ROPOS. Q.RI'V �! rcC \ \ , _ - \ \ - , \ n l — / — f —_ \ P. , / TRAP` IC SHALL UTILIZE THIS CONSTRUCTIO S _ � _ _ _ a \a _ - -- _ _ - __ -._ \ \ -� �� _ \ � _ ,�, : CONTRA�TQI�; $TAG N�\ `" , ; -- i / / ENTRA CE, NO OTHER ENTRANCES SHALL BE Q - \ \ / �; / ND TQR,4GE AR,Ea W \ \ -, _ — / LIZ D / \ \ I / u E STING P/L \ —�— \ G — ;'` %// I ti \ \ \ t , / / k \ \ \ _ -_- _ _ C1 \ \ - _� \\ 94 - ` - _ \ \ \ \ `,, \ EDGE VALLEY PRESE VATION LLC C/O MIKE HAHA -_._ -_ _-- - / �\ - \ _,� _ - / �- - - - OQ ;` R I _ -- — -. °\\ —_ —` -- _ - - — — \ \ \ \ \ \ \ RURAL AREA _... ----� / --7 �_ \ \ ' — ,' j �-- - - �-- - _ - — , \ \ / _ -_ -- - / - -- �-.,. � i � -`' — \ � � - - � � /� '` ' _.- CIS-- CONSTRUCTION ROAD STABILIZATION °� l r q ._ � - _-_. ____ -�. \ -•,. -,. \ \ \ \ .- \ \ \ \ ` \ \ `� ,°°° ( I B,E N C H M A-R K-N At I N T/I E, F � .e.__ � s. . �- - _ sg � - (D E- TAllr�,� --/ Z J o — — \ \ -..... ; = , `' -- = SHALL BE APPLIED OVER PARKING ,AREA AND 0- - - - _ - , \ �. \ \ `°m � ELEV 7/01.42 -__\I �0 .. -` -`< \ \. -- -..._ \ _ -- _. -._- \ \ \ \ �`'• \ �. i / / / � —_ --- -- _ � �- j /� CONSTRUCTION ENTRANCE AREA THAT ARE �- t- \ \ NO�: ALTERNATE 1 OF TI;I PROJECT IS THE COSTS / /Tf�AP/ SIGN H o \ __ \ �• , \ \ \ \ \ \ \ \ \ \ \ # _ / / ,' - / NOT PAVED CONTRACTOR SHALL USE z� 2a Lli / \ — — 1 \ \ \ 1 \ \ \ \ ASSOCIATED WITH THE CONSTRUCTION OF THE ROADWAY / / - ° / �/� STONE - MINIMUM THICKNESS -4" ON PARKING 0 = o — _ \ \ \ \ \ i / \ \ 1 ,� \ \ AS SHOWN ON THIS PLA SHEET i1D PROFILE roSFIEETS / / W,f/WIRE S /// I AREA, AND 8" ON CONSTRUCTIOI4 ENTRANCE m -0 / J J / / ��._ ,,� FROM STATION 10 +00 T STATION 20 +00. THE / HI.KING . __ -- -... , // � / ROAD. JOB No. �, \ \ / ) ) /� / / ' / / / / / / / - / / / \ \CONSTRUCTION COSTS A SOCIATED WITH PORTION OF/ �/ / ' / . // 0 11 / � / / o / / / / / / r THE ROAD SHALL BE LISITED AS AN ALTERNATE PRyEE. l � _ / / /i OUTLET PROTECTION OP /;' // L I'll - - 092028 0 / / / / / 119 - / / / i ._.- / I -� / 1 � � 7 \ i SLOPE =0.0% / , / / L =17 W =19.2 / SEDIMENT AT ALL TIMES FQR SAFETY. -o / / / / / / / / / / -' / -- I I I ! /` j � NOTE: SAFETY FENCE TO ENCOMPASS V) / / / / / / / ��O / -� / / \ — / / I / , i/ / '/ / SCALE ° / / / / / / / `` / / / / / / / / _- - - i 1 I I / °'/ / Sq�' / INSTALL SIGNS AROUND BA�51N THAT READ 1 =6O / --- // /. // , I / / -- / / / / / / / -- I / I / c�/ I I \; / `'. / „ V) 1-1 - f / / ° / / / / / % T`(E / WARNING: QUICK SAND, KEEP OUT - - / / / / / / / / / \ \- \ % / I \ / \ / / / /;' 91) 60 0 6 1 20 FEET SHEET NO, o 11 i _ / / _ / - / / / `` _ _ _ � / / \ SCALE 1 - / / / / / \o / \ N I 11 0 z w W z 0 z W V) z J J 0 0 0 C a C 3 V) , Q x O .t.. D 0 3 0) C 0 I V) C 0 O L i-, C 0 O a c Q 6 C 0 E 0 0 C 0 C 0 0 O E 0 C 0 2 0 C q) O co 0 = 3 Qz m m m J m W W M W d- z z 0 IV m m < < o o L Q C14 u f'� C C LAJ 0 O E E- w 0 N Z Z5 N - a rC z z 0 0 AV 0 ., O O ` `1 0 ►-� w w � �.. -i O"a a 0 0 Nor l % ' z' I \ _--_ -- _ - _ / / - r - - - - - / / / / / 8s' THICK / 10�". r _ / \\ - \ / / / / . __ l / / - / / / / ,- �� z Z /''.. / \ / 11 n / O �` v / _ O I. G o' .w L. f / / - - _ / ` ) W /WIRE — :'.ter', - = � — — — — --- — —� — — - / / ft z \ -� (� ACK11�E - - / / / / / / / / / \/ "� \\ ____._._. FUTURE ROAD - PLaN PREVIOUSLY' APPROVED - / / 1) .. ;::ii :.::.: ,.... \� - BUNDORA A ROAD_._PLANS - I �` - - - �::.:::" _ - / % - / o - - , / �� j , / \, \ - - - - ___ — 30 R,EP CULVERT APPROVED \ - ;.�... - /° C,0 / / H W - - �\ / \ / \ / CE PAVED NSTRUC/1ION ' / / -_ / UNDER BUNDORAN FARM- ...ROAD ................... ........ ...:..:...:.::.:...;:: / ENTRANCE W W SH RAC / / (� 00- . � WATER PROTECTION _..___..- _._ ....:. , .... ..:, .� . ..,.. .. .:. : \- ;::= >;;; <•;:,:;:;,; / / A �. i _ _ _\ PANS / - i- {' s:�:. \ A __ - '� L l': 3• SCI RACK T OUT A INTO i� ::_._ ...:........,,:..: WASH 9 B U Eft 1. Ir 7 W -11 - � ,.� /� -�=_ -- / � ;- / ,-- � - --. `'� -- __, ,-. � BI FILTER APPROVEf� UNDER � ____. -1.T o - � EDIMENT TRA 13 x8"0 MIN. '/� � A MOUNTAIN LLC W � -° j ' - ,-- / - \ ' , _ \ ` / 6 +00 -_ \- 4 f p ' \ / / ( ° ` i / C _ ��� i - _ (( / ;;, / \ '� JJI / \� � BUNDORAN FARM ROAD PLANS " �3 -- J - — / , I � i \` r _�— � ; . / / , - - 1 �` / { ', AG / ESDIDENT{Al &RURAL AREA �' - W i A _ _ ,, PROPOSED ROAD PREVIOUS APPROVED UNDER -�_.. --_._ � =' / \ �,`:>';` ::.:.,. / � �;;' ,:' �/ , ) �-, / 1 i - � \ } / \ 1O — — — — — X :.F / - 1 R APPROVED %IDER C/1 w �__ �\ �` - / PHASE OF THE BUN Of�AN FARMS ROAD PLAN. - - % -�, / / �3 w = \ - "- - - - -- / / I'l 'EROSION CONTROL MEASURES AS\ SHOW WITH TH - - - --_ / AN F f ROAD P z /�.. -= -� -�� - \ M CANS -�, ". � \ -.- - / PfREVIOUS EROSION CONTROL PLAN FOR THE ROAD ,� _ -- --'<"' f ; ° ' \ z _._. _, } '-` � `'•' �- J I \\' PLANS-ALL E` INSTALLED- f�RIOR TO CONSTRUCTION %`" --- � = `� .` ' '� �, CP CULVERT APPROVED O >- w - \ — __ I 1 — CSR > \ ! .� \ - _ / / N ER B�JNDORAN FARM ROAD W v: ,B - -_._I \ \ \ � \ \ __ _ - - 1 / '/ �- ` AWD GRADII O OPERATIONS ASSOCIATED WITH THE WATER - -- - / / z / _ \ \ _ \ \- I - solL ,% ``; :.:.':•:::J:'...A ANS z / I \ -- -- \ \ / __ /� --(!� A _ ONSTRUCTION. - - - - - - LIMITS OF CRI LCA j ::.. 690 / i / G� o ,. \ — _ I �RO1fECTiON TYPE:•: / '" / / H / \ \ \ — — __ - ) ) / \ \ \ ,.� - ; - �. , ,� _ SLOPES SLOPES > 25� (TYP / BUFFER �9B , . / TE:�H15 CONSTRUCTION ENTRANCE SHALL 11 .: ,� I w \ \ I -- CRITICAL SLOPES SHALL NOT \ % E INSTALLED OPERATED AND MAINTAINED ! �T \ - _ fit:'; / ' i / "q °' - - - / � - d \ \ \ -_ - \ / , E IMPACTED / . Xo ;% / / 3 \ \ ( I ; C -� _ ° // BY TtHE CONTRACTOR. ALL CONSTRUCTION,' o _ -- - -- - \ 0 _ _ Y �� -.. / �`<; :`:#�ROPOS. Q.RI'V �! rcC \ \ , _ - \ \ - , \ n l — / — f —_ \ P. , / TRAP` IC SHALL UTILIZE THIS CONSTRUCTIO S _ � _ _ _ a \a _ - -- _ _ - __ -._ \ \ -� �� _ \ � _ ,�, : CONTRA�TQI�; $TAG N�\ `" , ; -- i / / ENTRA CE, NO OTHER ENTRANCES SHALL BE Q - \ \ / �; / ND TQR,4GE AR,Ea W \ \ -, _ — / LIZ D / \ \ I / u E STING P/L \ —�— \ G — ;'` %// I ti \ \ \ t , / / k \ \ \ _ -_- _ _ C1 \ \ - _� \\ 94 - ` - _ \ \ \ \ `,, \ EDGE VALLEY PRESE VATION LLC C/O MIKE HAHA -_._ -_ _-- - / �\ - \ _,� _ - / �- - - - OQ ;` R I _ -- — -. °\\ —_ —` -- _ - - — — \ \ \ \ \ \ \ RURAL AREA _... ----� / --7 �_ \ \ ' — ,' j �-- - - �-- - _ - — , \ \ / _ -_ -- - / - -- �-.,. � i � -`' — \ � � - - � � /� '` ' _.- CIS-- CONSTRUCTION ROAD STABILIZATION °� l r q ._ � - _-_. ____ -�. \ -•,. -,. \ \ \ \ .- \ \ \ \ ` \ \ `� ,°°° ( I B,E N C H M A-R K-N At I N T/I E, F � .e.__ � s. . �- - _ sg � - (D E- TAllr�,� --/ Z J o — — \ \ -..... ; = , `' -- = SHALL BE APPLIED OVER PARKING ,AREA AND 0- - - - _ - , \ �. \ \ `°m � ELEV 7/01.42 -__\I �0 .. -` -`< \ \. -- -..._ \ _ -- _. -._- \ \ \ \ �`'• \ �. i / / / � —_ --- -- _ � �- j /� CONSTRUCTION ENTRANCE AREA THAT ARE �- t- \ \ NO�: ALTERNATE 1 OF TI;I PROJECT IS THE COSTS / /Tf�AP/ SIGN H o \ __ \ �• , \ \ \ \ \ \ \ \ \ \ \ # _ / / ,' - / NOT PAVED CONTRACTOR SHALL USE z� 2a Lli / \ — — 1 \ \ \ 1 \ \ \ \ ASSOCIATED WITH THE CONSTRUCTION OF THE ROADWAY / / - ° / �/� STONE - MINIMUM THICKNESS -4" ON PARKING 0 = o — _ \ \ \ \ \ i / \ \ 1 ,� \ \ AS SHOWN ON THIS PLA SHEET i1D PROFILE roSFIEETS / / W,f/WIRE S /// I AREA, AND 8" ON CONSTRUCTIOI4 ENTRANCE m -0 / J J / / ��._ ,,� FROM STATION 10 +00 T STATION 20 +00. THE / HI.KING . __ -- -... , // � / ROAD. JOB No. �, \ \ / ) ) /� / / ' / / / / / / / - / / / \ \CONSTRUCTION COSTS A SOCIATED WITH PORTION OF/ �/ / ' / . // 0 11 / � / / o / / / / / / r THE ROAD SHALL BE LISITED AS AN ALTERNATE PRyEE. l � _ / / /i OUTLET PROTECTION OP /;' // L I'll - - 092028 0 / / / / / 119 - / / / i ._.- / I -� / 1 � � 7 \ i SLOPE =0.0% / , / / L =17 W =19.2 / SEDIMENT AT ALL TIMES FQR SAFETY. -o / / / / / / / / / / -' / -- I I I ! /` j � NOTE: SAFETY FENCE TO ENCOMPASS V) / / / / / / / ��O / -� / / \ — / / I / , i/ / '/ / SCALE ° / / / / / / / `` / / / / / / / / _- - - i 1 I I / °'/ / Sq�' / INSTALL SIGNS AROUND BA�51N THAT READ 1 =6O / --- // /. // , I / / -- / / / / / / / -- I / I / c�/ I I \; / `'. / „ V) 1-1 - f / / ° / / / / / % T`(E / WARNING: QUICK SAND, KEEP OUT - - / / / / / / / / / \ \- \ % / I \ / \ / / / /;' 91) 60 0 6 1 20 FEET SHEET NO, o 11 i _ / / _ / - / / / `` _ _ _ � / / \ SCALE 1 - / / / / / \o / \ N I 11 0 z w W z 0 z W V) z J J 0 0 0 C a C 3 V) , Q x O .t.. D 0 3 0) C 0 I V) C 0 O L i-, C 0 O a c Q 6 C 0 E 0 0 C 0 C 0 0 O E 0 C 0 2 0 C q) O co 0 = 3 765 765 27 +00 26 +50 26 +00 25 +50 25 +00 24 +50 24 +00 23 +50 23 +00 22 +50 22 +00 21 +50 21 +00 20 +50 20 +00 19 +50 19 +00 18 +50 18 +00 17 +50 17 +00 16 +50 16 +00 15 +50 15 +00 14 +50 14 +00 13 +50 13 +00 12 +50 12 +00 11 +50 11 +00 10 +50 10 +00 9 +50 5 0 5 10 FEET VERTICAL SCALE: 1 " =5' 50 0 50 100 FEET HORIZONTAL SCALE: 1"=50' SCO T R. COLLINSZ No. 35791 ssroNal E��� z 0 a U V) w p z O V) w U) zuj a O° H H W/ ce z 0 i= a v L w p p o `° w 0 H � o 200.00' VC LOW POINT ELEV = 745.00 cli i OW POINT STA = 24 +54.94 LUi PVI STA = 5 +54.94 760 PVI ELEV 747.58 760 w UJI K =2 .58 m HIGH POINTELEV 743.32 755 HIGH POINT STA = 23+89.81 755 �. \ PVI STA _ 2 PVI ELEV = 3+39.81 742.03 \ A.D. = -0.05 K =20.72 ` BVCS: 22+89.81 �BVCE: 750 ` , 738.2 750 `. EVCS: 23+83.81 � EVCE: 743.o 2 100.00' VC 745 ' _ 745 2 .8% 740 �. \� 740 PROPOSED LEFT . ROADSIDE C ITCH STATIONS 2,+50 TO \ 31 +50 �. 735 ' `. `� 735 �. 250.00' VC to LOW °o \ \ o d0 POINT ELEV = 712.75 Lo \ N LOW POINT STA = 18+50.00 LO 730 ` \ r `� N ^ PVI STA = 19 +75.0 00 r ~ 730 `�% 0 P I ELEV = 715.0 \ \ U U A.D. = 0.06 U U w w K= 44.56 m m �\ 725 725 HIGH POINT ELEV 706.60 HIGH POINT STA = 15 +07.81 720 PROPOSED RIGHT \ PVI STA = 14 +57.1 720 ROADSIDE DITCH ` A. . _ -0.03 STATIONS 20 +0 TO K 36.80 2 +00 - B CS: 14 +07.81 BCE: 703.44 715 - EVCS: 15+07.81 715 -' - - -- _ 1 CO.00, VC 710 � -_ 710 1.80% LOW POINT ELEV = 689.'2 - - LOW POINT STA = 10+73,35 PVI STA = 10 +83.00 705 ~ - - PVI ELEV = 688.78 705 ` K =7.67 BVCS: 10-58.00 BVCE: 689.28 ' \ EVCS: 11--08.00 700 \ EVCE: 689,90 700 l 695' 695 690 690 685 685 680 680 M~ (0 CO O O r N W O O r f~ ti O to M ~ m O N N LO M G9 I- O S� f0 r (0 O 00 (0 ti f~ M I� r N 00 I' N I` M N N LO M (0 Ln Co O M r j O M M LO 0 M Go M M O r LO N p d 00 M O O r M •� d M d) L<7 r In 00 N� LR7 N N d) O M M M O Cfl Q) N F? �t Q7 O to d M ti GO t0 M d h- r O r N M M r: r M O N °0 tt Ltj GO CO M O CO °0 r Lo O O r LC) CO r' LLi N r. M r• "t O O r} �' c} M M d r 0 d 0 r' M to N M r ~ N I` N N 0 r 0 ~ r I� r Ln d' r M M T- N N r r r 0 0 T- 0 M O O °0 O 00 I~ d N O O (6 LO 0 L6 M O co O O M O 00 O O M O d' r r O O O O O O f� Lf) r Ln ti r„ h 4 r t� h a d r M r co M r N n N ti N r ti ~ r ti r h r f. r r t �` r I r' r ti d ti O r 0 r• O 0 n O r O O O O O O O O O O O O M 00 CO M QD (0 n ti n f`- r �.. r f` t~ ti ti ti r ti Pti (`- O O O (0 O 27 +00 26 +50 26 +00 25 +50 25 +00 24 +50 24 +00 23 +50 23 +00 22 +50 22 +00 21 +50 21 +00 20 +50 20 +00 19 +50 19 +00 18 +50 18 +00 17 +50 17 +00 16 +50 16 +00 15 +50 15 +00 14 +50 14 +00 13 +50 13 +00 12 +50 12 +00 11 +50 11 +00 10 +50 10 +00 9 +50 5 0 5 10 FEET VERTICAL SCALE: 1 " =5' 50 0 50 100 FEET HORIZONTAL SCALE: 1"=50' SCO T R. COLLINSZ No. 35791 ssroNal E��� z 0 a U V) w p z O V) w U) zuj a O° H H W/ ce z 0 i= a v L w p p o `° w 0 H � o �T 0 SCO T R. COLLINSZ CD U No. 35791 � O,jONAL E��� z O E 835 835 u V) w p Z 0 in w LO in LU Z� 4. 0 cy O 100.00 VC H W Z 0 E U w w V) p p Z O in w ce 0 a p N n z a � z L9 OEM `—' w I-- M W N Q M Q i W LAJ b Q N N O H �! Q J C�7 co co fl O 40 +50 40 +00 39 +50 39 +00 38 +50 38 +00 37 +50 37 +00 36 +50 36 +00 35 +50 35 +00 34 +50 34 +00 33 +50 33 +00 32 +50 32 +00 31 +50 31 +00 30 +50 30 +00 29 +50 29 +00 28 +50 28 +00 27 +50 27 +00 O Q �' O V O� T V w O w W L.i ! i C/� W � z w > w � w u MO J 00 IT'S .r z /F� J Li f"- 5 0 5 10 FEET �j w H VERTICAL SCALE: 1 " =5' O w a c=n JOB NO. 50 0 50 100 FEET 092028 HORIZONTAL SCALE: 1 " =50' SCALE V: 1 " =5' OP H: 1"=50' SHEET NO. 4 200,00' vc � HIGH POINT ELEV = 821.65 , d. °4 HIGH POINT STA = 36 +86.91 N $30 � PVI STA = 36 +95.55 °r° 830 • w PVI ELEV = 825.71 • w U A.D. _ -0.16 U w K =12.22 m 825 825 175.00' VC LOW POINT ELEV = 810.49 r•, _ LOW POI ELEV = 809,5 � LOW POINT STA = 39 +0 .82 n Q? LOW POINT STA = 34 +02. 5 0 VI STA = 38 +7 .72 � + C° PVI ST = 34 +90.25 � 820 PVI ELEV = 80 .61 `�' � PVI ELEV = 810.37 M $20 K t27 w w K 26.87 m 300.00' VC BVCS: 38 + a, HIGH POINT ELEV = 808.98 N BVCS: 8�� HIGH POINT STA = 33 +46,63 m EVCS: 39� + � PVI STA = 31 +96.63 � $15 Ej6G�E: 8 ),ce \ • • w PVI ELEV = 807.54 • • ui 815 A.D. _ -0.08 K =35.80 m 810 / _ - -- - -- - - -- � 810 0.96% � $05 805 800 800 795 795 790 790 785 785 780 780 775 • \..,� 775 PROPOSED LEFT \. ` ROADSIDE DITCH \ \\ STATIONS 21 +50 TO \•\ \ 770 a1 +5o •\ 770 \•. \ \. \ 765 • \• ` 765 \\ 760 76� 755 755 h r N 00 �, O O� LO O N� N M r O O� r O CO O r M N O r� to O O� O O r. O r-_ (N r O O CD r, d' I.n N r- O to O r 0 O M M M � N O N � 00 O N n• N O O �. O �. O r (� O r O O O O O r O M N d' N CO r O CO � CO O O N N ap � � I`� �. O O d; M N � N d; O � O to � N M t1� t0 r 00 r rJ' 00 r �j• 00 co C7 M r Cfl N r O O to (� p (p d' r CO r � O � O _M r CV r. r_ r. _O N N N O N � N _O r d' r N O r O O� O O O d' O r O� O �`'� O 01 O d' O 0Y �•• � � O O� O O CO O co O O co O co O co O O O O CO O� O� O co O O O O co O O O co O O O co O CO O O W O d0 � CO QO co O O co 0 a Q. T C v 0 a o �; C z C W Uj W Z v � �z °w C v� 0 Qz C J O L 4- V O C C 3 O C C 0 U V C 7 v 0 3 a � m a� � L Q �- N � C O L v O v � a 3 � v r -X C 7 O U n � J � J � � O U L o� L C Q 7 C U O O U N N V) c �o v O N a� V •- o— v -� 0 v c 0 V � O U) N N > D � C V p C n. o 0 a`�i v O �� ti� ti� ti �, r`• � P- �, ►� � h 0 a Q. T C v 0 a o �; C z C W Uj W Z v � �z °w C v� 0 Qz C J O L 4- V O C C 3 O C C 0 U V C 7 v 0 3 a � m a� � L Q �- N � C O L v O v � a 3 � v r -X C 7 O U n � J � J � � O U L o� L C Q 7 C U O O U N N V) c �o v O N a� V •- o— v -� 0 v c 0 V � O U) N N > D � C V p C n. o 0 a`�i v _ _.. .�--- �\ \ � .. • � • � � .. � • : � � • •.:. � � .... � .:. .::.... 6' � cow � • . �' / 0 \ , / �, ::. � ..•. • .,, ...... • .• .: ,...:..:.: �. '' : �:... • :.:. �::• :•:: ... ;:'... o S /M I\% TRAP 2 DE �� �. / BAFFLE \ ...: ............. ................ _ is / /� .: : ;• ��/ _ SC T R. COLLINS�, U No. 35791 ......... � � � � S / rd 4 0/16/1 \ / \ SIONAL Ely ;0000000000000000A �0 ..' _ �0 716 53 \ 83 Z uj - - w Q RISER O 7 `i C� L MERGENCY 20 0 20 40 FEET _ ,SPILLWAY � \ OUTFAtt " "• � -`, �____.\ /0/ \ BARREL / \% SCALE: 1"=_2,W- - - - - -- i T 20 O 20 40 FEET IMENT BA I/V IL SCALE: 1 " =20' -_- w SEDI MEN T TRA P 1 DE TA ►- Table 15. Sediment Basin design (spec 3.14) \ ... .. O Sediment Basin #1 Design Sediment Trap 1 Design ° i i ` ...... ... ..... MIN. t' W/ SPILLWAY .,,.. -°• -,..., I i 2�. - --y_-� Q 2 O 2'W1$PILL CREST OF EMERGENC'! "" - . SPILLWAY .,-. drainage area (acres) 10.45 .�..v._. DESIGN HIOHRMWATR drainage area (acres) ( <3) SCALD: 1 basin volumes: (using 2' contour intervals) ; } . . . . . . �_., .w_ elevation (ft) contour area (sf) volume (cy) OS. trap lumes CREST OF S,TQNE WEIR p I I auG� •vARweLE: 746.00 5815.0 0 ______ ________ M .._ati . _v � MIN, 1•G. elevation (ft) «�» area (sf)( volume(cf}° volume(cy) _.,w.,__ -G EV. RISER CREST g 685 2414 0 0 01 ' 748.00 7520.0 492.5 ..:... __ -_ .__ ...__i �_.�. ._ + . DRY • STOWE ATEftlNG 6861 2905 _w 2,656` 9s.4 pR„ STORaGE VARMLE` Sediment Trap 2 Design € I I 750.00 9377.0 1117.1 I,_. ~ - »- 752.00 11342.0 1883.3 • WET • STORAGE ° ' - 687 3437 5,823 215.71 ............... 754.00 13407.0 2798.9 688 _ . __._ 4013 9 5441 353.5' - < , _.._w _�,_ _ _- drainage area acres 3 2 6• 1` ..VAR EDtMFM CLEANOUT POINT 689 4630 13,862 513 4" w,zsr4RA6E ...;. CREST'oF STONE- I ..__...° __.. �._,.. 4 nwc trap volumes W r .... Ww.. f» E1iVE R vaapeLE' WET STORAGE REDUCED ,,....,.._ .,.......,....,.......9...,_.,� � � : �,..,.. - �ORW�: VA , r ' TO 34 C.Y. / ACRE) 690 5275'____'__18,81 1= 696,7 tESCOA � FET R. CLOTH [ridGIHAI i elevation (ft)' area (so _ volume(cO volume(cy)' ROUND: ._. m.� ..._ .___..__..u.._ ------- w v..._________ ... _,..,.._ Ev. _ �� ECEV. I 712' 1888 0 0.0j z 1.a ' J __ _ .. _ _. ., r..w O wet storage: d I , E q 713W 2376 2 127 € '-y Te 3.1a �: e f , 78.8; w. - y w, .., w _, a w...v,.w S H PL? . O�RSE AGGREGATE CI ASS �.RdPRAF _..w. __.,» ..� ,_ ,.,.,,_ µ_ .. 1.., _ M .,,. w .__e ._. ._ DRY.STQRAGE YARIPBLE:. }- wet storage. I ,'• ,__�....__..I , . .: :. g g (ft) wet storage required (cy) (67 *DA) 214 41 7141 28891 4,756; 176,11 `� a_ z wet storage required (cy) (67 *DA) 700.2 design high water 753.00 _.. x: w .... ........_ H s bottom of stone weir ft � 687 0' i -'lu' `�"vry�`- �'��`'��` Y� » -`���' V" ft 754.00 O I I l I I l 715 3426' 7, 909 292.9 € - v atenn orifice elevation ft 749.41 to of dam tom r (ft . .,., w _,• .. a �,... �.d. _ s I dew g () p () F _._._ ._.�._._._ u.u..,..__ ._»..�_,,.....�._ .._- �n e d at i elevation c 700.2 to width of dam ft 10,0 wet storage provided at this elevation (cy)' 215.7 l i 716 u « 39901 11 614' 430.1 vrET s7oRA�E w wet storage provided the (Y) p () _._,,..� ..., .:..,... �., .._w..w..,... ..,_...._ .�._,�. w -. :..,...,.w ...�.. ._ .,., w„ ( , E 9 p �..,... ,x ..._, _.. , .. _ � _-.y Y .._,. _._.__a_...._W.._.s.._. »....., ,_. t . , �. a �eAK 1 l _ .__ �_.n ____ .. available volume before cleanout (cy) (34 *DA) 355.3 bottom of basin (ft) 746.0 slope of wet storage sides I 2:11 ._ .__ __.. �._._ _ ._ _ _ _ ._...�_.` _. •_.._..w _._.. ' 7171 45781 15,8941 588.7 » - »V ExcAVAiEO FETE CwtkH o:aGINA� z 1 cleanout elevation (ft) 747.89 approx. bottom dimensions: 36k1$T I i gt O ( , _ -'-' " I_.._w .._. weir len h ft 6x DA 19.2' I - G,,1ND W' o x distance from cleanout to orifice ft > 1' 1.52 u upstream face slope: 2:1 () ( ) ps p dry storage: g -_ _...._..;. -__.. M.., _... �, �_. _. _.,__•__ __ - bottom of trap elevation (ft) ( T 6851 wet storage: I �, o _. Y,.....,._..:»..,.... M..._....._ ................. �,. .,......._.....,.._...,_....,,, _.�.... • _.._..,.__....._,..._..,.... ,...,_......_.._..,.._..._.»_........,..,._... ._,._._.,.,.......�.,.._�•_.._. ;.,,.»....._.,....�_,,_.... _,_......,.,_.._,._._. ......e.a._w »_,..,_•____•__.... €..._....,.,..._......,,,....,....., �, ,....__......._.....,.,.,...,.� P,,_.,.,____ A9EE P1ATE 3.13=T COARS£..AGGREQATE CLASS I R � H downstream face slope. 3.1 dry g q (Y) ( ) p I w . , _ _. »„ ... w_ _._ . �I P m d storage a re required c 67 DA 214.4 bottom tra dimensions: 53'x96; wet storage required c 67 *DA 174.2€ ''' dry storage; crest of stone weir ( 689.01 top of dam elevation (ft)- € 6906 bottom of stone weir (ft) 714 01 dry storage required (cy} (67 DA) 700.2 baffles. YES s f • �- ��-•-- �-...-•--•• �-• �-- �M..-• �--•--•----- �-- �- •-- �--- •�- •- ��-- �w••w -�•- - •�- �- •� - ---�• d rage provided at this elevation c 297.7 to width of dam ft 6 (cy) iY g p (Y� I p () i wet storage provided at this elevation I 186.3�4��VU� principle spillway crest (ft) 751.95 length of flow, L (ft) 74 l _ �.._._._ .w._ . ; 700.2 effective width, We 124 slope of dry storage sides 2.1; jtop trap dimensions i 73'x116; slo a ofwet stora a sides - _•_ -.., __' 2.1W ____,�__I_ ___" dry storage provided at this elevation (cy) () diameter ofdewatering orifice (in) 6.0 L / We (baffles not required if> 2) 0.60 (� weir length (ft) (6xDA r I 15.6 dry storage ._. bottom of tra diameter of flexible tubing (in) (orifice +2) 8.0 p elevation (ft) 718 collars: YES ._....._..,..__�,.». ».M ._.,..._... _ �,...._._._.._...-.,.._�.. ..�___.w_.._.. ry stora a required (cy) (67 *DA) i 174.21 - bottom trap dimensions: _Mwry M »wR- 28 'x98' runoff: depth of water at spillway crest (ft) 5.95 g 1._ _ crest of stone weir s 716 0, Itop of dam elevation (ft) 723j C (use 0.45 for bare earth) 0.6 slope of upstream face (Z 1) 2:1 _. _.. _ .� dry storage provided at this elevation (cy)1 225.01 top width of dam (ft) i I 6a tc (min) 22 slope of barrel (Sb) 10.12 _. _ v ._ ..w w- _, _ - ..M_. __� -w �.., .._ _ . __ __.- _._._. __� 12yr 2.8 Q 2yr 23.35 length of barrel in saturated zone (Ls) 56,35 slope of dry storage sides 2'1 _. _. -- _ ;top trap dimensions ; 48'x 1181 125yr 4.3 Q 25yr 39.45 number collars required 2 dimension of collars 4.8x4.8 principle spillway: available head (ft) 1.0 emergency spillway: YES diameter riser (in) 36 required capacity (Q25 -Qp) (cfs) 16.1 spillway capacity, Qp (cfs) 23.35 bottom width (ft) 10 LU diameter trash rack (in) 54 slope of exist channel (ft/ft) 10% o barrel length (ft) 58 minimum length of exit channel (ft) 20 head on barrel through embankment (ft) 12.59 crest of spillway (ft) 753.00 diameter of barrel (in) 24 SHALLOW - - SLOPE " ± ON SHALLOW SLOPES STRIPS 1, SET POSTS AND EXCAVATE A 4X4 2. STAPLE WIRE FENCING TO THE POSTS. J. ATTACH THE FILTER FABRIC TO 4. BACKFILL AND COMPACT THE DRIP LINE - NE 7TKTC-7WOTECT /VE COVERINGS Z TRENCH UPSLOPE ALONG THE LINE THE WIRE FENCE AND EXTEND EXCA VA TED SOIL. viii Ili- MAY BE APPLIED ACROSS BERM ��� � THE SLOPE. -r ,H ` OF POS TS. IT / N TO THE TRENCH. _ - 111,T _ WHERE THERE IS A BERM AT THE TOP OF THE SLOPE =n(= - - 0- ;;; BRING THE MATERIAL OVER THE BERM AND ANCHOR SNOW FENCE /f = Tff= 1Tf -Tfl �'Tt _ I_ L I '.z BEHIND THE BERM. ✓� I 4" W BRING MATERIAL DOWN TO A LEVEL AREA BEFORE 'III- fi;,TTf G STEEP w I 1 //' _ _ II• /''' __� TERMINATI(VG THE INSTALLATION,, TURN THE END SLOPE N UNDER 4 AND STAPLE AT 12 INTERVALS. 00 12" - <t l i •` •�,'`,t�``, - - DITCH •,;. � _ ON STEEP SLOPES APPLY - / f_ -I I I / �" /'�- I -III- BOARD FENCE _ PRC�T��TIVE COVERING PARALLEL Q I_ -I I I- -III- G-�-� - =1 Iii IN DITCHES APPLY PROTECTIVE COVERING j-�f- TO THE DIRECTION OF FLOW I L _ G� -III= - =1 FLOW - = III- CORD FENCE AND ANCHOR SECURELY. = r - =I I I_I � I= I � PARALLEL f0 THE DIRECTION OF FLOW. 1i•: - ,-T�_ USE �NG" MATER /ALSIN TREQUIRED. AVOID D - O Uj -I i I =I i I ( =III -III i I I i I i I -III - I I -I i I -III PLASTIC FENCE - - FLOW -1 I I �I I I -III- I II III I I i- " -i I THE DITCH /F AT ALL POSSIBLE. -il-�. - - Q� H CORRECT METHODS OF TREE FENCING - �1- - r N Q Q 4 EXTENSION OF FABRIC AND WIRE INTO THE TRENCH. =1 _ j , N W SI L T FENCE - _>!� - (3501L STABILIZATION BLANKET NOTE.• SF (WITH WIRE SUPPORT) 05 -2 TREA TMENT 1 SOIL STABILIZATION MATTING MATERIAL SHALL BE INSTALLED AS NO SCALE NO SCALE REQUESTED BY THE ALBEMARLE COUNTY EROSION CONTROL INSPECTOR W Z a (V) Q r~' W / W Q 0 0 V V4 L9 J z FILTER FABRIC Oo 6' °° °O° ENTRENCHED 6" °m' o ° 0 O° o o bQ�o COMPACTED SOIL 3 ♦MzNZMVM ° O O O r� e 000 - 1 =I � 1= Ti =1T� -IT►- `� o °� o�� 8�� °� ° TRIANGULAR B 0 A R D FENCE '`��.,. � � ALBS COUNTY � O � Iii -► I -1 i 1 -1 i I -1 i 1 =T I =1 i hI i► ° °° g° °0 8 CONSTRUCTION ENTRANCE z _= 1 =1 I I III =1 i I -1 I I =1 I I -1 I I -1 I I -1 11 -1 I I -I 11 =1 I i -I � 24" _ I -1 1 1=11 I -1 I I -1 I hI i -i I i =� I i -1 i I -i I �- iii -1 i i -i I i- iii - iii -i i' U DOWNSTREAM VIEW) ate,• I'l Dalecrs FiOW C„) 0 Oman ( N D ARMORING _ `1: ; Forest ed Mix.(e�ded at 20: l�slacre} (� I_I I i_i I I I I i_i I I_I t I_ TP FENCING A III III- III - III =III= III = III -IIi= III - III -11= = NO SCALE Bofflebrush 1SO NMtN -i (- III =1I1 -III. 1II=I II =II1= - - VDOT #1 og � g� - � �R i z - _ _ - COARSE , t: 3• SM 2A ASPNALT 0 III (11_111 -111_1 go( $ PER STD. &SPEC. 3.38 OF VIRGINIA EROSION & .: ., � . � , � �r�� x to Y F 4 '> ` Y r J : ' 2% V) 0 AGGREGATE � 2 D BO��°�lc x rz, �.Y . Q.. ? ., 'f„ PAVEMENT °p e ° °° o SEDIMENT CONTROL HANDBOOK, 3RD ED.) FLOW o° ° ° °ooq �n 3 DertanLte 100/6 W 0 9w•" O �O �° ° V o° OV i,;,:1'Y i..t h •a. "s c�,s .�`,r� '�c. �i , 1:�C ?ic,. y� ,rb i Y a,,�" e W O o "o o I �, k AGGRE TE BASE 0606 0° °o ° 1 ��k7t' <e, i 3 a* T 3 u a: 3 LU O Vtr tk. xa ix tr.a 4 S r _ IlVV�11 "VV"j ° o -'� ` '� 1.OD� 3 DNERSION OITCH BIDE ELEVATfON ,. �� rVIO $ o 00 Auttirn r� lien�[ ass 10'/0 EXII(S�TIN(G� � 0 LU �C FS MC rF YAW ei GROUND Y� DD ti r s �.�i r.� . >t•. ¢ a � �d ..,.�. .kk _ ,; .x � , o %.��.: � �' ? r.�St�, �,a .•�4 " & �r ' d��.i'''y,;;Ft 4 70' MIN. TEMPORARY DIVERSION ROCK CHECK DAM 3.20 -1 .ur*.A`rae.t.`�aSu. are> �, z���a.E�ilr��'�.•_� 5-: EX. CURB OR (2 ACRES OR LESS OF DRAINAGE AREA) Gray d° QC� 5 °� , wx PAW w�stiiwac EDGE OF PAV'r K'Sl4N F#AK1r d`"f,a c� } °ry"<r'"v i�' fi:4i "yid rlr "°"`�i �,r1s ruj, rs ... r x a ,s NO SCALE A%rR ,SttcYr€v ra s{ F ��h Utzrti 7{41 f rtk3n i w t iss '4.eam rz a c- s , Ic - SDI ` az nax�s HA1WUK. �E#;3NG OC NCRFM BLOCKS i s CURB INLET .. ' N�i - °,.•GA.1y L� E , F i = +NpPa INii. A(,f7 J 1� , MIN. 5R E W 8F E 2R vasiriNG EA0 LZf CC Pt#vriTl ©N A O IiCt` qFIUEtDAN) 2x-«• PAVEMENT G ....,. I�annyb�€:rry 5 °�`Q ., .:.. "��e `� S_ 5! nd� 're'`^t =yry : 5�'i 5{tt���'` ?`.a •`wd^ y 't� �i c�- a��'', S'Xs' -"� �aF e�,3'a_a °�� `� 3"�,4�,z�'3 �`�l ;-n - i ITCH -Iau4 Ta:, �`a�'.:.%a„'A' ¢,.' aiifi'', LS,; cMs�, y' k- ��: P�;<,,.', ��` iu, ..a�.,�it?r��"•ti'it' >QN'Ca ?:t� .�?*.��,�vs,? 10TH W MNi W10 T i AT i TABLE 3.3� A ELEVATID 4.D PLAN DESIGN �� Nis PLAN VIEW O J d AUMS n,USED FOR DUST COMMOIt Lo Clpen F�eldr SteedIop�e Se�+d Mrx (seeded at �5 Ib „sfacrey 00 H �-- -L SHEETS OF 4x8 x EXTERIOR ' P 8 8 Musr EXTEND FULL WtoTH of = --� Water A gli6ation B BlTZestem Aiid� a o on erardzi 10°�o INGRESS AND EGRESS OPERATION SET 1 1I2" WATER p 11 HYDRANT WITH FROST S� 1, m:r7E M:. .., z r yok �s %i3 °t%x rry Y k x v Ditutioa. Ty{ie of. Rate PLYWOOD OR EQUIVALENT C.{j7y( y�zs} , IyyQ}s 3�£ro�p N 12 MIN. PROOF HYDRANT 3 siheSive ` titer . A A V �tT MSC I yt .` e .ur'" a J\ °say %�s " f a 2� : r ). a ?Yi; w f -- �N!� St /1 k A84VE GRADE AND 4 ~ J CONCRETE BLOCK -Ed s Fescue Festuca rribra s GoT7lII]T1C4r�r4 OFF EDGE OF PAVEMENT. 12 i Anionic. RISER CREST ELEVA TION p F. GA v �- WIRE SCREEN-1 I ( fes . _.,. ) . _ SECTION A -A tt k sst Cu z w ---\- rse Spray 140 _ 4 �r h �_,•.: w t. _r,., �, .,, _ Asphalt Elnalsi4n, 7:1 Goa PIPE OUTLET TO FLAT AREA WITH NO DEFINED CHANNEL 4 Lxtifi�e }�Iuestcm Scl�izac�iyxuun s�olrarzu ;; 5 °�Q SECTION A -A 0- GRA GRAVEL SHALL BE VDOT #3 #357 GRAVEL FILTER > .�m�on 126. Eulo ;?pray 235' La R POSTS MIN. SIZE 4" SQUARE zsf >, ; xs T � y € _ `� 1 rya , R , w gr JOB NO. 0 #5 COARSE AGGREGA iE' i a�z ' s, 5 ' NOTE f Resinlz� Water 4f1.- FTne Spray 3,00: OR 5 ROUND. SET AT , „.� s��zm. _ /r._.... ... _� '� .. ��, .,gin. , x.�.,e f : A MINIMUM WATER TRAP of is REQUIRED AciylicEaiuisfon 8, LEAST 3 INTO THE GROUND Ind�apgrass Soz�as &ruireuutazzs iC)o WITH A MINIMUM WASH HOSE DIA. OF 1.5" 092028 BLOCK & GRAVEL CURB I NL E T +s z �.�.. +s.'`.:.2 �s �'�,, w'r�x ,.z(�:• -. .*r T`��'.:? 'e c,r�.* {. '�}, -fix $,�`nx °fi ruS�`f ik'�'+ P 3.0 7 - 8 (No> x Ttat6c) ' Tit �ntse Spay 450: _ k SEDIMENT FILTER Q , .1 { x1 � , $ � s, :. a r _.. s PAVED rip CONST EM SCALE Acryllc`Emulsiioii d PLAN AS SHOWN NO SCALE (gal e) x.5.1. wane Spray 350 SECTION A -A SEDIMENT BASIN BAFFLE DETAIL 9 r�rs NO SCALE PS PERMANENT SEEDING SCHEDULE source: Va. OSWC 0P PIPE OUTLET CONDI T7ON,� 318_1 SHEET N0. NO SCALE NO SCALE 5 - I ' ` \ \ \'• \ \1 \',. \ \'' " \ \\', \ \ \\ \�\\ \ \�'.,\� -� General construction notes for Stormwater Management plans I \ \ \ \ \`• \ k \\ . \ \ \� . \ \ \\ `1 \ \ •\\� ,� \ \\ \ \ \ \ 1. All dams and constructed fill to be within 95% of maximum dry density and 2% Of I \' \, \\\ \ I \\\ \\ , \' \\�,..\ • , - \ ; \• \ __ `.. \ H 0 . optimum moisture content. All fill material to be approved by a geotechnical engineer. A I \ \`' \ . � � ��\ . \ \ \ / /' /// I I \ \ \ \\ ,\\ \ \, \\ \\ \ \ � ` _ � \ geotechnical engineer is to be present during construction of dams. / / / / / / i 1 1 \ \ \ \", \ \`. \ \ • \ \\ \ I \ - \ \ \\ � TMP87 6B �) / / / / / / I I \ \ \ \ \ \ \ �. , \ \ - \ \\ \\ \ \ `` \ \ PRANCES G NAPIER ,1 P ) g g / / I I \ \ \ \ \\ \ \ \ \ \ \ \' \ \ ,\ \ \\ \ \ \ \\ \ \ VILLAGE RESIDENTIAL SC0 T R. COLLINS 2. Pipe and riser joints are to be watertight within stormwater management facilities. / / , / / / ;, � -_ -•• �\ � \ I ' I \-, \ \ \ \ \ \ \ \ \ Fortem orar sediment traps s or basins which are to be converted to permanent // / / / / 1 \ \ 1 \ , \. \ \ \\ \ \ \ U No. 35791 2� 3 p Y p P / /: / /, "/ I: \ \ \ \ \ 1 \\`', \\ \ l \ stormwater management facilities; conversion is not to take place until the site is , , - / //, / /!/ / / / / //J l `;1\ \ \1 I ? I I (I .'l \I \ 1 \ I / �° \ \ \ \ \\ \'`', \\ .\ \ �� ��l�r' /3 �,4 C:J . , - ; / / J / / , / / - / / / / I I I I I 1 , 1 1 I / � \ \ \ \ .\ \ \ \ \\ °�'� `�' stabilized and , , / I J / / / \ \ \...\ \ \ ss �O - 9oa_ - / , /TE,R CO3NS 1 TIO 1 AN G QIN ? HAS B E / , / \\ \ \\ \ \' \ \\ \ IONAL E permission has been obtained from the County erosion control inspector. ;, / ;' PIS TES? :O T' E $ TL-�O,NTRJACT ' F %AL,L / '/ / / \\ \\� , \\ \ \,\\ \ \�, / i - /WSTA'L /�.AN`18 C}IV RSION ,E,kM ALON,G/TI / /i / l \ I .1 \� \\ \ \\\ TMP WATER QUALITY COMPLIANCE _ / 1 9 / ' . / j / / / / � / \ \ , \`'• \ \ DEBRA SUE WOODSON / '' _ / / � -__ __ // / / - ,\ \ \ \ ` \ \ \\ D.B. 2518 Pg 257 .� � / T r0 Pr O F1 �f �H � � n C R E!'�cTE0;5���. O-P E�rS,S'�I'O�VN / / \ � . \ �. , project area 27.8 should be roughly equal to limits of disturbance - IJI ` / ,:? - I \ \ \ \ \ VILLAGE RESIDENTIAL p 1 ( g IY a ) - / i TO- DIVERT, R N- OFF- ARO:GNd'I H'E SI "ffE J. / _ \ \\ \ . \ \ \ . area captured 14.2 / / / / - a$o / I J r' ///' / / \ \ \\ \\\ �''• \\ \ ,\ \ percent capture 51% (should be 90% or better) -- -- : ' �' ,, ' / / 0R- S'T��, K1, �yf�I�I� 0 Fl i� TE�PC / - / / I \\ \ \\ .. \ f factor 1.0 1.0 or 0.9 for sites in the develo ment areas where e�astIn impervious cover is greater than 20% f / / / % I �' / ! ' \ \ \\ \ \` \ x ~ / / ', �� 111 1 A /I / s. B RN( SH9LL'BE / , / - - - I �` \ - _ f �' gIL E�D'FO 'B 1 1 AN_ ENT USE,- / ;/ / \ \ \.�\ \\ :.\\ v � I � � `_ _\ /' / / / / %w6 /// / / - l/ / / / / - _ \ \ \ \ \ _ \_ `-_ 11 Is i m \ '� , , , Z " \ " /' 1/,.. / / , -, \ , -, I ca - W CD > > E E L° E > - __ - / / / / '`f / / /v,No / / / / / ' / - \ � \ \\ \ \ \ \ /` facility name u E E facility type *.* 2 remarks -, _ '%' / ' / / i / / / / �,9 / / - / / i I / - \ \ �\ \ `., \� \ \ ` \ \ \ \ U 14.2 0.16 0.35 47% 334.1 50% 350.0 1.0 -_ ' - - / / ' ` ' - _ \ \ \ \ U) __ _ _ \ - / / . , _ Biofiltration I (rain / / _ \ \ REBECCA ODSON Biofiltration I (rain garden) -� - - _ -. \ -_ / / ''/ / / / / / / / / ' , / / / / /. . \ - - - \ \ \ \ \ \ \ \ \ CAnLEA 87-5B O garden) - - �!;' / //' : / /./ o/ / / �" \ \ I \ \ D,B. 2639, P9149 p --_• / / / 1// / / f / / i \ _ . \ \ \ __ I VILLAGE RESIDENTIAL - f / / / / / % /. / / 0p \ ` ` J `// /// / /.y / / / / a \ \ 14 \ _ - -- ._ / - / / / /, / '` , -- / I 1 \ � 1 I * impervious area before development in designated growth areas can be a minimum 20% __ _ _ - _ _ -_- i / ' _ , - i / / / / - / \ I \ 1 \, ** this is most often NOT the entire roe but the portion of the property within the subject drainage area, or the drainage area to the facility - - - - _ - / / / / \ ~ - - - ---_ ` 1 1 I I \ property, MY, p p p tY 1 9 g tY - .. _ .. - - ... j / / \ ** *see Table 13 . - - - - - _- - _- - - - - -- �/ / 2 // / I // r--' -._. _ - _ \, I- I 1 \ \ I I f 1 I I I \ - _ - - - - __ - -' ' / / / / / - _ - - \ .- - / = •�• '� .'. �� / 1 \ ` I RAP C A 'I- . , - -- --- `- - - ____ __ " - - '^ .� / r ! `\ -/ \ _._. _� /, `\ \ \. , . / l � \ 1 J 1 \ \ 80 0 40 80 160 320 ------.- - - - -- - - - - - -- __ -- -- - -- s / - - - - -'/ _ \ ` _ � - - -- \ \\ \ 4" SOLID PVC - - - - -- . - - - -- -- _ -` _ _.... . 101 __ '_ /' / //` _- �/ \� / \ ER \ __ Jl I \ - R VARIES PER L \ CLEAN -OUT PIPE. _. _..._ - 4� 1 CLEAN TO BE _ - - -- - _ - - - J - _ - ' '' - - / / f / / / , / - - -- - / /\ ` / `\ Tc -i7,�j MIN ~ 1\ \ - - / / i / \ 11 \ / ( IN FEET ) WATERTIGHT, THREADED PROVIDED AT THE - - ' _ - -- -_ _ aoo - J/ / _ /� /' / / - -- - ' _ C1C�/ - 0: \\ � - - - / , / / / \ J J / ! \ 1 inch = 80 ft. PVC CAP END OF THE / - - , - - / - / - _- _ - / / UNDERDRAIN PIPING - _ _ - - - ^ _ - - _ _ _ /// j / 1 i1 ` - _ _ - _ /// // \ - /' ��\ ao / / \ _ - -- - - _ i AND ALONG THE -_ .. - - - J = _ - - - _ >- • ..�.,. F.�..: / - - / \ - \ \ \ ' - -- - - - _ f , / // / / / I f TMP 87 4 r/ __ r ` - - - - - - 790 / ;`� - :' , �,.i':1. / . \_ 1 \ / / / ^` \_ \ \ - - -- - - -- / / / UNDERDRAIN - , - _ - - -_._ _. _.._ - - / _ _ - i , / No SUTHERLAND • / / / \ RMA LEE SUT ERLA w SYSTEM EVERY 50' - - - , - - - _ - - - - - - _- -^ i /'. / / \ / r \ _ - - - _ - / / \ / VILLAGE RESIDENTIAL o _ ._ ._ _.._ _. _ _ Y_ \ - _- \ / X .!:.: / / / \ / / / \ \ / / / ` / / / ) D B 6g8, Pg 380 z I-- -..._ _.._. _.._.._.._ _ - - -- - �/ -/ / ERESIDENT _.._.._.._.._..- - .._.._ ._ .- __ _.._.. -.._. -. - - - - - -- - -- - _.. __..- . . _.. - - -- -- - .- _. _ - - __ - - ' - i / - - - - . - __--- - i,• -- -I/ // / / \\ ( \�/ / ' �'_ _-/ _ --' \ \ �� \\ \ `\ �- / i' _ -- - - - -._ _- _. -.:_ 3) - _- -_- - _ - ^ - -_ - - - -- --_ -.- J 1I -, n J \ \ / /, '\ \� // �'/ 1 _ _ - _- -- - - - -. _ _ _. _. _ _ -, r, _J \ / -_ _- / / 1 FBI __ :. _: - _: - _: -M6- _: - - - - - - S T,k -ARP R 6 ED ) / r - - - __ _ - - -- -- - - -- / ...� / ' ( 1 - \ `� I _ _ / ' / ' a6o i 2.5 -_ .- . -.._ _. '__.._ __ _ _ _. - _ - __ �/\\ -- - - - - -- - -- - - �. - -- / , J _ \� \, -_M.' ACtLtTYT_Cj AVE f, / / i / f 2 - - : _ - . _ _ _ _: - -- _ - _ BIO FILTER MIX -W/-' _ - � \ - - - __ - - - _.. _ - - _ ;%. ;•' - / - - - i i �■.,� L - _ _ _ _ _ _ _ _ _ _ - - - - _ / ,r _ - - _ - %I / i / _ / / I I '� V1/M' EAS E M EN- T-Vt/I1`H ' I / / 1 - . - _ . _ . _ .. _ . _ - - - - SAND' = NtED rA _ .. _ / / - - t ` ,, .:. :_:.% ,1 ��,'___ . / / \ - _ / / __-_�._. - . -1._--_ _ _ - _- _ -._. -- - - - - -- / / / / �� _ -_ _ -- I ! r _ ' �CON(�tLCTtON�OTHE / ; / - - / .11 __ ` \ /' ` / / /' / /i" / - _ - _ I r \ /. \ \ -_ \• ENTRANCE RO_lsb FOR J_ I _ _ - - - _ W 7 , , / / , , / / - _, _ _ _ - - - . _ , . - ~ APPROXIMATE LOC�ATIESI , ; I - - - - _ _ - _ - 3" ,IT -3 C r) �\ o / / / / / // / / - - _ _ / - C , / \ ~ ~ CES _ .Q_MAI TEN / - - / ' do c �� °� o ° 4 od . o� �� e / / / / f / / 11 - _ _ _ OF PROPOSEL?,RAiN GAR(_EN \ _ - - __ i _ / _ _ - - - _ _. 11 ` A AN ONCE / / �� - - - - -- - - --' - - - , ti - J/ -- _ I /r `� __- / NO 78 STONE COMPACTED / / / / / ' _ - - ' - ` \ '`\ 1 \ ' / / r / / / ' / / / / INSTALL DR.ALNAG� WA E\ _ _ _ / _ ~ie/ \��\ - - ' - i _ _ - - - - - - - _ _ i ' ,' iz fz _ _ l \ / / i i NO. 57 STONE COMPACTED / / i ---- / // / / / ".`AB4V_E Tf�E- EXISTIN&TREE`.B `LOW , -- - - - _ /_ = \ \ - _ - / / \' / ; -- / , _ - - - - - - - - -- - - -- _ _ -- - TMP 87 38/ o I� J __ _ _ N AR _ _ - NO. 78 STONE COMPACTED / / I -- _/ / / , / , \ \ ' - \ \ \'\ \ -i \A -EA, /' / �° _ - - - _ - - - - JAMES &JANET STERN ' ° UU / _ RA GE - / J J \ - -; / / 'T'H�DRANEIELDAND�11 �ID OFTH - - -- _ _ "I �- i, D.B. 2250,Bg310 oC - 6 , SCHEDULE 40, PERFORATED / / T - - -- __ _ �'(�' _ ACRES - _ _ }} / I I / / ` \ , ` \ / - - / �•�� / / i - - --740 - -_ - - -- - ..._.._. - _ RURAL-AREAS,' / U h- PVC UNDERDRAIN, SPACED PER // / J / / \ \ - _ - - - _ - - -- / f / I I / "_ : , RIP LINE.-DRAINAGE S11't/\ALE�,',K ,- DI�/ERT - - - _ _ - - - � , \ Tc \ -.3.2.6'M IN - - _ - / -' /' _ � � PLAN, SLOPE TO DRAIN / l / J J f �' - -- \ \ \ ,- / / f�� \ �// // /�/ /,/ _ -- - - -- - _--- -- // - ° m o / //, I , / , I I /- /THERUN- OFFFRO \T E,IM0\ \ERy-I`US -ARE, _ -- - L �=: C\�/, 0.33 _ - - �/ _ ,,/ - __ - -- - _ - -- `_ -_ _ - -- J _ ' / z BIORETENTION BASIN SECTION _ - _ _ _ - _ __ _ \ _ - - - - o ! f ) / / / ' I I -_\ I INTO THETHE RAI G�RD'E�IS. - /, / !/ 1 \•_ \ 1\ -- I% J,/ _ - - ~ - - - -- - - _ // I� 11 11 _. -- - - / - / / / I r \ J ! \ \ / / - �' - i f / / i _ _ a - - - --- - - -- - _ - - >, fl\ / � \ - \ - // _ / / / 73 _ / 0 0 11 / / / / /' //i TMP 8687 J J \ 1 I / �- / /, - - _! r // , - _ _ - _ -_ w m 1" / ED ALL ESER I N • LC'C MI E HAIHAJ ; - ::.:. :..:... \ \ / - I -) / / - - _ 9l 9 q -- \ / / / _ \ 100 YEAR ;' /J u AyA�A J / / J \..: \ \ / _ - - / - - / / `_ -- / ' / / - - - _ _ i - - W.S.E.= 749.78 / / , / I \ / \ \ // /' / \ - - - - -- _ -/ / / / /___1 I `\ / _ -- - ' ,,/ '/ i __- -- - - - -- 24 PLASTIC RISER _ / / / , J / i \ / \ / _ - './ / / / / / ` - / - ' _ . CLEAN -OUT W 1 \ �+ / \ / -- \ - -- _ ,/ / / / _/, _ _ \ __ - - -_ -i - `TMP 86-88 \ / / 2 YEAR OVERFLOW SPILLWAY _ - ! / J -- __ __ /,, / / I I �. � J/ \ \ \ i / / / / / E L� \ , - - - -- - - - / / , / f / / -rao --• _ - F PEA GRAVEL WATERTIGHT W.S E.= 748.77 WEIR ELEV.= 748.0' _ // / / / \ / \ / �DGEVALL�YP/R SERVATIpN A /" MIKEHAHAJ \ - - - - - _ / / - - - - _ - _ -. _ _ - _- / 3 0 E CAP 50 0. C. / / - - -/ / / 1 J - \ \ \ I // / // ! / \ _� aUR�LAR6 /� - -- - --- -- - - - - - -- // ,/ / / _ - - -_ / / / / / / \ SHALL BE PLACED = 1 YEAR 8 WIDE TOP OF DAM - _ - / :1 1 \ / - / / /I \_ - -- - , / / / / \ - / f / / / - ` - - - - ELEV.- 747.50 , ,- / , \ \:. / / / J \\ -' / APPRQXLMAI' L CATIO I _ _ _ _ _ - - - - -- - - - - _ - - - BETWEEN THE F/L TER / / _ . / : \ 1 \ � ;a;.. / / 9 " l \ / /, _ / / i / / - - = / ( \ ' (TYP.) W.S.E. = 747.64 ELEV. = 750.00 _ /� / - J / 1 / AI. \ \ :::_::.. / - / , '\ - - > // \ _ / / / / ' / - � _ -_ -- MEDIA AND THE ,: / / j l / / / ,- /J \ 1 J / \ -,, / I \ _ -.._ - / / / / / / / - -\ \. - _ -_Ii /' UNDERDRAIN MEDIA 2' WIDE DECORATIVE WEIR OVER - / / / / - / \ \,, \ \ J / OF PROP.95E -RAIN :GARDEN jv i J -- r3o - _ .._ / / 1-1 , -- \ J / - - ` - > _ - - _ CONC. OUTFALL CHANNEL. i -\ ( / / -- f: �" / / I , < <' 11'k, \ \\ \ \\, / /J /// ,, - ' \- - - - -/� ;' /'' L ` \ - - - -� __ - _ -- - / /// /' // // / // - /� - -/� ,' 0. �/o ,i, r'L; J l" .-- ' i i ' / , \ \ \1111 1 \ \ \ \ \ / / .'./ . ._. / i -- -- ..- - _ ' / / / / / /' I \ `` __ -__ -� 1 _ - _ - - _� _ - / / /' , / / / / / / i, .i / _ - -, _.._ .-. J \ '-� - _ _ __ - SLOPE �l �� c, / - I III \ \ / _ _ _ _ _ _ _ - ,�. _ - _ - _ - / / 1-1 / - � / / � - - _ s �:. y {� / / i . - -� / - - - -- - / / / / / 1.0' � 1.0 OF / / r = �/ 1111111 \ \ - - - -_- ' / --- ---' Z \ -- - - - // // ,/ /f / / /- -- /,- - - o ,,.. '� 1. .e?^„, t �. PONDING -/ / ` \a� / /;./ \ - .' _ n / /�'� ...� _ n• -- \ _ - - - - - - / / / / / / / ' " __ J _ _ i- w - i _ le, I + + n + + f :. / / i � DEPTH / /" /J �. -- -- - - / - :. ;., � . , .k / / _._ X20 / / / I Z. K r / / - / _ x ._ .. / / I \ / / i �, ... _ „ ,.<. I, ; - - - - - -- / / / / / goo'" / w - k , / i / MIN.. �, / I > - _ / i _ / / 11 ..... _ d _ - -- -- s -. % / ,:, _4 . . - f �, - / G., /. / O A . t.� r1.. 2ki T . k... t C '4 - M/N. _ // / / / !/Ill - - ' - -/ / -__/ -- � / / / / -_ J - ELEV. = / / J , ` \ \ � -- i I .®. m�,®o, r _ - - - - - - / / i / .........:: ....:::. .::.. - - - - - / � \� - -_ - -- - _ BIQ_- FILTER APPM UNDER �.,�: / 10. D MIN. 747.00 - / _ .. - _ -- - / /�/ , / \;�„- _ __ ^ _ / - / / - / BIO- FfLTEI ,APPROVE[) (JNQ�R 8 PLASTIC BARREL / !, / _._ \` _ C - ..: . :...... / - _ _ ............................ o NDORAPd FARM ROA[1 I BOTTOM 6" PERFORATED SCHEDULE 40 UD INV. ELEV. = OUTFACE PIPE / / - -// ,. i - \ _ \ \_i / 1 ,' / / ; _ .....:.:.. ..T_ . . -.. :...:.. BU �SOR/�jII,FARM,REiAD P ANS OF B /OFIL TER PVC PIPE OR EQUIVALENT AAA2. 743.25' 56 LF ® 2.239 / - , • J ` - ' - _ - / C�,�1�. D U N D E R / / _.__ / ,1 � 11 W 743. DO MIN. INV. OUT= 742.00' / ��_ ;' / / - I �� \) f \\ - / / / / - \ / - / / :;.:I l / / �-' 1.09 SLOPE (MIN.) TO OUTFALL STATE APPROVED MIX. TOP ELEV.= / -- ' \ BUNDORAN ARM ROAD f�L S_ _ _ - - - - -` _ ` / / 11 PIPE PROVIDED ACROSS ENTIRE 747.00 (TYP.) DEPTH= 2.5' MIN., / / -- " -' /%� I ,/ ,�.. / ' UNDERDRAIN GRAVEL - - "I . \ \ I - _ - -. r i J \ / V \.,_ � - - - ' _ - -- - - / / / i / �o W WIDTH @ 20 0. C. SLOPE= 0.00% - - (AASHTO M43 MIN. J / /� II \ \ / \ \\ - . _ . _. _ \ \ �` / _ l I (\ / „ \ � - - �- .®.: _ / J / m 1. 1 ' ABOVE &BELOW MIN. 4 WIDE & 4 DEEP ') f ._ _Y - _ \ \ 1i '� � � - _ _., I I I \ - � - _ / I , ! i ) UNDERDRAIN PIPE) IMPERVIOUS CORE & 1 _ I \ \� \ - - _ f \ `, \ / \ ; /, J .- _.-- - - - __ _ _ / I / 61 BIORETENTION RAIN GARDEN, 1 CUTOFF TRENCH WITH 1:1 J/ - /' _ �) , \ \ 1 � =_ ; _ / _ - - - - - - -- - ti.__ - _ �.,� , / / i /`, �,/ N Q SIDE SLOPES. SEE DETAIL - \ \ I \ I ~ / I / _ / / NOT T 0 SCALE) ,\\ - ;' ` \ \ J - _. \ I- ! - l' // �. / ON SHEET SWM -1 FOR `.\ _ \ \ - \ \ - I - / / - , _- -�� / `® ®. ,, / �%/ Z a �� \ ADDITIONAL INFORMATION. - -. \ \ _ \ \ \ ` - _.. -1 . - - _ - _ CULV_E_RT APPROVE `UN ER ;// �C NOTE: _ �Y _ 0. - _ \ \ AFTER THE CONSTRUCTION OF THIS DEVELOPMENT, THE UNTREATED IMPERVIOUS AREA CONTRIBUTING TO THE BIORETENTION BASIN IS _ - - _ - - ! \ \ \ \ , _ \ \ \ ' ~ - \ \ ' - - - - ( ; /� -_ \ ORAN FARM READ PL /ANS ; - ;� //� Q _ _. ESTIMATED TO BE 51,400sf. THE BIORETENTION BASIN SHALL BE DESIGNED TO TREAT 35% OF THE IMPERVIOUS AREA. THEREFORE, THE _ _ - - -- - - - - - _ ~ _ \ / _ _ - `(\ ,/ / \ \ \ \TMP 86 gy _ it j a BOTTOM OF THE B/ORETENTION BASIN SHALL BE SIZED TO 2.5% OF THE IMPERVIOUS AREA. 2.5% OF 51.400sf EQUALS 1,285sf. THE - - - - - _ _ - o - _ \ \ \ \ \ EDGE VALLEY PRESERVATION LLC C/O MIKE HAH - ` "" / j �, \ - - ` \ = ` - _ / -%� - N -� y W - - - - - _ _ - ; \ \ \ '_1 ~ \ RURA AREA -- _ / \\ - __ \U\ \ _ - i .. o BIORETENTION BASIN FLOOR AREA EQUALS 1330sf. THE BIORETENTION BASIN FLOOR AREA IS SUFFICIENTLY SIZED TO HANDLE THIS. - _ - - - - - - \ ~ _ - _ - ~ - - � _ " - - - \ 1 \ _ -- - -' \ _ - % O - - _ - - 0 -- THE SOIL AROUND THE SPILLWAY IS TO BE AT 95% COMPACTION WITH AN IMPERVIOUS CORE AND CUT -OFF TRENCH. THE SPILLWAY IS ­-1- - _ - __ . -- --- __ -- -- \ \ \ \ \ \ / %� //� CIIA CONCRETE LINED AND DOWNSTREAM OF THE SPILLWAY WILL BE GRASS LINED. - - - - _ - - \ \ \ -f ii -- -- -_ __ \\ \ \ \ \ \.\ \ \ \ \ \ \ \ I / / / / -o / / I 5 � I 1, / \., ',� /1'', / \ �__ -11-1 ",� - -__- � ` ^� �_,\ SChT� OULE 40 PVC PIPE -, /\ D \ OR E'QUIYALPWT AAA2. Z/ "', 9.09' SLOPE' �r,1fIN. % 4-AN 5' 0. C ACROSS ENTIRE' WIDTff 20 ' O TO OUT PIPE (TYP. ) \ \ --\, -'-- 10 VBDN ;; `� / / I . . - �_ __ '' \\�\\ RAIN GARDEN PLANT LIST KEY QUANTITY BOTANICAL NAME ICOMMON NAME MINIMUM INSTALLED SIZE ROOT TYP REMARKS MYPN 19 MYRICA PENSYLVANICA NORTHERN BAYBERRY 18" -24" SPREAD CONT. FU NSY 2 NYSSA SYLVATICA BLACK GUM 2" CAL B&B SINGLE LEADER VBDN 16 VIBURNUM DENTATUM ARROWWOOD VIBURNUM 34 HT B &B DENSE/ FULL HVI 3 HAMAMELISVIRGINIANA COMMON WITCHHAZEL 6' HT B &B SINGLE LEADER AN 16 ANDROPOGON GERARDI BIG BLUESTEM 4" POT CONT. PV 14 PANICUM VIRGATUM. SWITCH GRASS 4" POT CONT. AP /FR 11081 SF MIX OF SEED 50% AGROSTIS PERENNANS 50% FESTUCA IRUBRA AUTUMN BENTGRASS / RED FESCUE SEE SEED MANUFACTURER'S RECOMMENDATIONS Ii1 ^ O z _ �� w Z____� Z w . w W z 300 SF AP/ FR �, ow EED MIX \ � ® W i V7 Z -,\ a J .SIN. BIOFILTER �\ W J Q o 0 FLOOR AREA= ,240sf �-+ O Q � ° PROVIDED= 330sf H III 3 0 cn O N 0 t- ..__.. _.__.... __ _. Z 0) 1 NSY Ix O W � Z V a- N 4 -PV 5' O.C. x' Z L 0) U 0 'S NL- 11 MY __, -- .. .... - • 781 SF AP FR \ I 1- 1 o ,11 - 100 YEAR 24 PLASTIC RISER / p, :' MIX �� CLEAN -DUT W/ WSE.= 718.92 OVERFLOW SPILLWAY ' '. .. WATERTIGHT WEIR ELEV. = 717.0' ® O - -\`_ , ...:. • :. _ 3 OF PEA GRAVEL CAP 50' O C 2 YEAR W o SEED MIN. BIOFILTER /\. - SHALL BE PLACED EL = W S E. = 717.85 8' WIDE TOP OF DAM C%1 a :. LOOK AREA= >330sf EV 716.50 W 3 BETWEEN THE FlL TER W (TYP.) 1 YEAR ELEV. = 719.00 1 H VI ` � 0 MEDIA AND THE W. S.E. = 716.90 2' WIDE DECORA TI VE WEIR OVER 6 VB D N �--+ D z .__ - UNDERDRAIN MEDIA 6 -PV 5 O.C. .. y CONC. OUTFALL CHANNEL. = W O _ LOP 0e, . I -A 0 �/ . - - - - -- a ' OF 9 l !-1 -1 C . 0��'` �'f 15" PL EL J ° 11.1 ' . �t,j- �� e, G o , 2 H VI , 9 1 0 OF / POND/N PLASTIC BARREL � w � , � � \ DEPTH OUTFACE PIPE . :..:. t5 s 30 LF ®0.83% 1-=•I ,° `\�� MlI• Y r • .Th' u��6�'ht' �:: "fit , y k X' , �-' C . i IN V. OUT= 712.00 \ W Il� >_ a \- l . 5 t Nx '?x, f` , a r. 4'"u ` .,:'ara�. , , • U_ i C i MIN. 4 WIDE & 4 DEEP a • �__ MIN. IMPERVIOUS CORE & CAA W J . - ' r i° ::. ., BOTTOM 0 0' M 79 6 00' v J - -� co ELE CUTOFF TRENCH WITH 1.1 8 MYPN . ' . �� OF BIORL TER MIN. SIDE SLOPES. SEE DETAI O ''-' ° .. ... . ,s.i -�;.i - w o0 = Q) , ,,: `- 712.00 MIN. 6" PERFORATED SCHEDULE 40 UD INV ELEV. = ON SHEET SWM -1 FOR 19 , 4 I ' .. %,.; ; i. .. PVC PIPE OR EQUIVALENT AAA2. 712.25 ADDITIONAL INFORMATION. I 1 N __ -- c,? " UNDERDRAIN GRA VEL h Z i; _/. ✓. �.; 1.09 SLOPE (MIN.) TO OUTFALL STATE APPROVED MIX. TOP ELEV. = 0 1� �' ° VIA � AASHTO M43 MIN. w o / V• 1 ABOVE & BELOW PIPE PROVIDED ACROSS ENTIRE ( ) 7 �j 'b -� "" % ! � � 0` / � � UNDERDRAIN P/PE 716.00 TYP. DEPTH= 2.5 MIN., � � -0 - -�� ) WIDTH @ 20 O.C. SLOPE= 0.00% �-- �� w H t Q) Q) ,.. �' BIORETENTION RAIN GARDEN E 14 < ^0 1 � 6„ ATEW Q� = o J 7B" fIDP.L' RISER jY OR Ly' T P . L'' 40 .PVC' PIPE °- o (NOT TO SCALE) 95" BARREL OUTFACE PIP OR EQUIYALErVT AAA2. JOB NO. r NOTE: RIPRAP OUTFACE. L =90 .. W =8 ; ,Oq, SLOPE �1llINJ 1 OZO43 ;' AFTER THE CONSTRUCTION OF THIS DEVELOPMENT, THE UNTREATED IMPERVIOUS AREA CONTRIBUTING TO THE BIORETENTION BASIN #2 IS ESTIMATED TO BE 9,600sf. THE BIORETENTION BASIN SHALL BE DESIGNED TO TREAT 35% OF THE IMPERVIOUS AREA. ACROSS ENTLE` WIL�TIf ® U),> ) I .111, N 5 O.C. 24" APPS RISER W/ CRATE' TOP THEREFORE THE BOTTOM OF THE BIORETENTION BASIN SHALL BE SIZED TO 2.59' OF THE IMPERVIOUS AREA. 2.5% OF 9 600sf . . . . . . . . . 20' . C.. TO OUT . . PIPE TYP. j. SCALE C PIPW EQUALS 240sf. THE BIORETENTION BASIN FLOOR AREA EQUALS 330sf. THE BIORETENTION BASIN FLOOR AREA 1S SUFFICIENTLY - AS SHOWN o ,_ B10- RETENTION RAIN GARDEN # 1 RIPRAP OUTFALLO.UL=>6'. X.12 , D --2' � SIZED TO HANDLE THIS. _ o BIO- RETENTION RA . GARDEN #2 SHEET NO. a SCAM, -, -10' THE SOIL AROUND THE SPILLWAY IS TO BE AT 95% COMPACTION WITH AN IMPERVIOUS CORE AND CUT -OFF TRENCH. THE ` SPILLWAY IS CONCRETE LINED AND DOWNSTREAM OF THE SPILLWAY WILL BE GRASS LINED. SCALE. 1 =1. 6 C o ham- 3