Loading...
HomeMy WebLinkAboutWPO201500054 Plan - Stormwater 2015-10-16SHEET NO. DRAWING NO TITLE 1 OF 11 C -1 VSMP COVER SHEET 2 OF 11 C -2 GENERAL NOTES, ABBREVIATIONS AND LEGEND 3 OF 11 C -3 EXISTING CONDITIONS AND SOIL MAP 4 OF 11 C -4 EROSION AND SEDIMENT CONTROL PLAN 5 OF 11 C -5 EROSION AND SEDIMENT CONTROL NARRATIVE 6 OF 11 C -6 EROSION AND SEDIMENT CONTROL DETAILS 7 OF 11 C -7 STORMWATER MANAGEMENT PLAN 8 OF 11 C -8 STORMWATER MANAGEMENT DRAINAGE AREA MAP 9 OF 11 C -9 STORMWATER MANAGEMENT NARRATIVE AND DETAILS 10 OF 11 C -10 STORMWATER MANAGEMENT CALCULATIONS 11 of 11 C -11 STORMWATER MANAGEMENT CALCULATIONS VIRGINIA WINEWORKS ALBEMARLE COUNTY, VIRGINIA SCOTTSVILLE MAGISTERIAL DISTRICT SEPTEMBER 24, 2015 VSMP PLAN WP02015 -00054 �a o S FPRM i RED p f0A vp EPPES CREEK 'Yp r 0� SIT 40 MEWMO MEWMONT t EST p EWM WEST T HARRIS CREEK RD g GP, VICINITY MAP SCALE: 1 " =2000' NOTES: 1. THE PROPERTY IS LOCATED IN ZONE X. AREAS DETERMINED TO BE OUTSIDE THE 028 ANNUAL CHANCE FLOOD PLAIN AS PER FEMA FIRM MAP NUMBER 51003CO42DD DATED FEBRUARY 4, 2005. 2. TO THE BEST OF OUR KNOWLEDGE AND BELIEF THERE ARE NO KNOWN GRAVE SITES ON THE PROPERTY AS BASED ON VISUAL OBSERVATION, I SPPE DATA NAME OF DEVELOPMENT: VIRGINIA WINEWORKS OWNER /DEVELOPER /APPLICANT INFORMATION: HORIZONTAL DATUM: NAD83 (VA STATE GRID — SOUTH ZONE) NAME: VIRGINIA WINEWORKS, L.L.C. ADDRESS: 1781 HARRIS CREEK WAY TAX MAP REFERENCES: CHARLOTTESVILLE, VA 22902 PHONE: (434)298 -3438 ATTN: MICHAEL SHAPS ENGINEER INFORMATION: N/A JURISDICTION AREA DESIGNATION: NAME: WW ASSOCIATES, INC. ADDRESS: 3040 AVEMORE SQUARE PLACE DEVELOPMENT AREA: CHARLOTTESVILLE VA, 22911 PROJECT ENGINEER: DAVID M. JENSEN. PE SIDE= 25' PHONE: (434)984 -2700 SOURCE OF BOUNDARY SURVEY: WW ASSOCIATES, INC., APRIL 2015 FIELD SURVEY SOURCE OF TOPOGRAPHY: WW ASSOCIATES. INC., APRIL 2015 FIELD SURVEY 2 —FOOT CONTOURS HORIZONTAL DATUM: NAD83 (VA STATE GRID — SOUTH ZONE) VERTICAL DATUM: NAVD88 COUNTY, STATE: ALBEMARLE COUNTY, VIRGINIA MAGISTERIAL DISTRICT: SCOTTSVILLE TAX MAP REFERENCES: 11200 -00 -00 -01900 ZONING: RA AREA = 3.78 ACRES OVERLAY DISTRICTS: N/A JURISDICTION AREA DESIGNATION: NO SERVICE WATERSHED SUPPLY PROTECTION AREA: NO DEVELOPMENT AREA: NO SETBACKS: FRONT= 25' SIDE= 25' REAR= 35' APTTOVED by TeAlemirla County Cap munllyDy I° mans DeparLNeni Dale / /ftll a Y Tile _ py y��Uf =daS�— DESIGNED 6V: F'HOJECT: DMJ VIRGINIA WINEWORKS ffmENGINEERS DRAWN BY: VSMP PLAN SURVPYORS REG ALBEMARLE COUNTY, VIRGINIA PLANNERS TALE. ASSOCIATES CHR BY, VSMP COVER SHEET - WWA NUMBER: FILE NAME: DISCIPLINE: SCALE: GATE: - ^ ^ ^ ^ "•• ^_,^ r 215027.03 502703C— CS.dw9 CML H.N AHOWN 9124115 N0, C -1 1of11 ALBEMARLE COUNTY GENERAL NOTES, GFN RAI CONSTRUCTION NOTES FOR SITE PANS 1. PRIOR TO ANY CONSTRUCTION WITHIN ANY EXISTING PUBLIC RIGHT -OF -WAY, INCLUDING CONNECTION TO ANY EXISTING ROAD, A PERMIT SHALL BE OBTAINED FROM THE VIRGINIA DEPARTMENT OF TRANSPORTATION (VDOT). THIS PLAN AS DRAWN MAY 2. ALL MATERIALS AND CONSIRL SPECIFICATIONS AND STANDAF 3. EROSION AND SILTATION CON' WITH THE APPROVED EROSI01 ANY CLEARING, GRADING OR MIN ASSOCIATES GENERAL NOTES GENERAL UTIUTY NOTES t CONTACT MISS UTILITY AT 1- 800 -552 -7001 48 HOURS PRIOR TO ANY GRADING OR DIGGING TO HAVE UNDERGROUND UTILITIES MARKED. THE CONTRACTOR SHALL VERIFY ALL UTILITY INFORMATION PRIOR TO CONSTRUCTION TO INCLUDE TYPE AND SIZE OF PIPE AND SERVICES TO HIS OWN SATISFACTION. 2. ALL EXISTING UTILITIES SHOWN ON THIS PLAN HAVE BEEN TAKEN FROM AVAILABLE RECORDS AND ARE APPROXIMATE. THE CONTRACTOR IS REQUIRED TO DIG TEST PITS IN ADVANCE OF TRENCHING IN ORDER TO DETERMINE THE EXACT LOCATION AND ELEVATION AT CROSSINGS. IF A CONDUCT IS DISCOVERED, NOTIFY WW ASSOCIATES AT (434) 984 -2700. PRIOR TO BEGINNING INSTALLATION OF UTILITIES, CONTRACTOR SHALL VERIFY INVERTS AT ALL CONNECTIONS WITH EXISTING UTWTIES 4. ALL SLOPES AND DISTURBED AREAS ARE TO BE FERTILIZED, SEEDED AND MULCHED. BM PRIOR TO PURCHASING OR ORDERING ANY PRECAST STRUCTURES. 5. THE MAXIMUM ALLOWABLE SLOPE IS 2:1 (HORIZONTAL: VERTICAL). WHERE REASONABLY 3. ALL BLASTING REQUIREMENTS TO INSTALL UTILITIES SHALL REQUIRE A PERMIT AND CIP OBTAINABLE, LESSER SLOPES OF 3:1 OR BETTER ARE TO BE ACHIEVED. @ SHALL BE PERFORMED IN ACCORDANCE WITH THE ALBEMARLE COUNTY STANDARDS 6. PAVED, RIP -RAP OR STABILIZATION MAT LINED DITCH MAY BE REQUIRED WHEN IN CMP AND THE PROJECT SPECIFICATIONS. CO THE OPINION OF THE COUNTY ENGINEER. OR DESIGNEE, IT IS DEEMED NECESSARY IN 4. ALL STORM SEWER SHALL BE CONSTRUCTED IN ACCORDANCE WITH VDOT COB ORDER TO STABILIZE A DRAINAGE CHANNEL. CPP SPECIFICATIONS SECTION 302 AND SECTION 252 AND AS SPECIFIED ON THE T ALL TRAFFIC CONTROL SIGNS SHALL CONFORM TO THE MANUAL FOR UNIFORM DIA DRAWINGS. EL TRAFFIC CONTROL DEVICES AND VIRGINIA SUPPLEMENT. 5. ALL CONCRETE USED IN UTILITY CONSTRUCTION SHALL BE 4000 PSI CONCRETE IN S. UNLESS OTHERWISE NOTED ALL CONCRETE PIPE SHALL BE REINFORCED CONCRETE EQPT ACCORDANCE WITH VDOT SPECIFICATION SECTION 217. EX OR EXIST PIPE - CLASS III. FF FINISHED FLOOR 9. ALL EXCAVATION FOR UNDERGROUND PIPE INSTALLATION MUST COMPLY WITH OSHA COORDINATION BODIES GR STANDARDS FOR THE CONSTRUCTION INDUSTRY (29 CFR PART 1925). HC HANDICAP A, FIRE HYDRANT 1, THE CONTRACTOR SHALL OBTAIN THE FOLLOWING PERMITS REQUIRED FOR FLAG POLE p O ;Gi CONSTRUCTION OF THESE PIONS: ALBEMARLE COUNTY LAND DISTURBANCE PERMITS -I - :Ai, GAS METER AND ALBEMARLE COUNTY BUSINESS LICENSE. CONTRACTOR SHALL PROVIDE ALL 1. THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO THE N NECESSARY FORMS AND FEES FOR OBTAINING THE PERMITS, INCLUDING GENERATOR PRE - CONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT OF LAND /- APPLICATION FEES AND REQUIRED BONDING COSTS. > >> DISTURBING ACTIVITY, AND ONE WEEK PRIOR TO THE FINAL INSPECTION. 2. ANY TIME WORK IS PERFORMED OFF -SITE OR WITHIN AN EXISTING EASEMENT. THE 2. ALL EROSION AND SEDIMENT CONTROL MEASURES WILL BE CONSTRUCTED AND CONTRACTOR IS TO NOTIFY THE HOLDER OF SAID EASEMENT AS TO THE NATURE HEAT PUMP MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATION OF THE VIRGINIA 0 OF PROPOSED WORK, AND TO FOLLOW ANY GUIDELINES OR STANDARDS WHICH ARE - -- - -- EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA REGULATIONS VR LIGHT POLE ASSOCIATED WITH OR REFERENCED IN THE RECORDED EASEMENT. - - - 625 -02 -00 EROSION AND CONTROL SEDIMENT REGULATIONS. 3. THE CONTRACTOR IS TO CHECK THAT ALL EASEMENTS, LETTERS OF PERMISSION, 3. ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS -- - - -- -- ETG ARE RECORDED /OBTAINED PRIOR TO THE START OF ANY CONSTRUCTION. Q THE FIRST STEP IN CLEARING. 4. VIRGINIA STORMWATER MANAGEMENT PROGRAM (VSMP) LAND CLEARING GENERAL 4. A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE [] PERMIT SHALL BE OBTAINED BY THE CONTRACTOR. A SWPPP HAS BEEN PREPARED PANEL POINT MAINTAINED ON THE SITE AT ALL TIMES. -_ FOR USE BY THE CONTRACTOR. 5. PRIOR TO COMMENCING LAND DISTURBING ACTINIUM IN AREAS OTHER THAN INDICATED POWER POLE Pf ^� ON THESE PLANS (INCLUDING, BUT NOT LIMITED T0, OFF -SITE BORROW OR WASTE °- .- ._ -... SANITARY CLEAN OUT AREAS), THE CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN MISCEU A-NEOUS NOTES O$ TO THE OWNER FOR REVIEW AND APPROVAL BY THE PLAN APPROVING AUTHORITY. SIAMESE CONNECTION -0- 6. THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF PITY ADDITIONAL EROSION 1. THE PROPERTY DESCRIBED HEREON LIES WITHIN FLOOD ZONE "X ", AREAS OUTSIDE CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS 6 OF THE 0.2% ANNUAL CHANCE FLOODPLAIN, AS DETERMINED BY THE UNITED STORM DRAIN MAN HOLE DETERMINED BY THE PLAN APPROVING AUTHORITY. ..... .,,... STATES FEDERAL EMERGENCY MANAGEMENT AGENCY, AND AS SHOWN ON THE 7. ALL DISTURBED AREAS ARE TO THAN TO APPROVED SEDIMENT CONTROL MEASURES AT TELEPHONE MAN HOLE ROOD INSURANCE RATE MAP (FIRM), COMMUNITY 510006, PANEL NUMBER T ALL TIMES DURING LAND DISTURBING ACTIVITIES AND DURING SITE DEVELOPMENT UNTIL 17 0420 -D WITH AN EFFECTIVE DATE OF FEBRUARY 4, 2005. TELEPHONE POLE FINAL STABILIZATION IS ACHIEVED. 2. THE CONTRACTOR SHALL VERIFY ALL UTILITY INFORMATION PRIOR TO 8. DURING DEWATERING OPERATIONS, WATER WILL BE PUMPED INTO AN APPROVED TEST PIT CONSTRUCTION TO INCLUDE TYPE AND SIZE OF PIPE AND SERVICES TO HIS OWN I.., FILTERING DEVICE. G31 SATISFACTION. 9. THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY AND 3. HORIZONTAL DATUM: NAD -83 0° AFTER EACH RUNOFF - PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS FOR UTILITY MARKER POST VERTICAL DATUM: NAND 88 .,, CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL 4. EXISTING TOPOGRAPHY FOR THIS SITE IS BASED ON A FIELD SURVEY PERFORMED VENT PIPE BE MADE IMMEDIATELY. ,I BY WW ASSOCIATES, INC DURING APRIL 2015. 10. ALL FILL MATERIAL TO BE TAKEN FROM AN APPROVED, DESIGNATED BORROW AREA, 5. CONTRACTOR SHALL BE INFORMED AND SHALL COMPLY WITH THE VIRGINIA 11. ALL WASTE MATERIALS SHALL BE TAKEN TO AN APPROVED WASTE AREA. EARTH FILL OVERHEAD HIGH VOLTAGE LINE SAFETY ACT. ANY COSTS TO COVER LINES OR WELL SHALL BE INERT MATERIALS ONLY, FREE OF ROOTS, STUMPS, WOOD, RUBBISH, AND SAN DISCONNECT SERVICE TO NEARBY POWER LINES SHALL BE AT THE CONTRACTORS _ AMIGA U YARD GRATE EXPENSE. 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 UNITED TO THE HOURS OF 7GOA.M. TO 9:00 P.M. 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 INSTALS MAINTAIN, REMOVE OR CONVERT TO PERMANENT STORMWATER MANAGEMENT FACILITIES WHERE APPLICABLE ALL EROSION CONTROL MEASURES REQUIRED BY THIS PLAN REGARDLESS OF THE SALE OF ANY LOT, UNIT. BUILDING OR OTHER PORTION OF THE PROPERTY. 17. TEMPORARY 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 OF 50/50 MIX OF ANNUAL RYEGRASS AND CEREAL WINTER RYE, OR IN MARCH AND APRIL TO CONSIST OF ANNUAL RYE, OR MAY THROUGH AUGUST TO CONSIST OF GERMAN MILLET. STRAW MULCH IS TO BE APPLIED AT BOLES /IOOSF. ALTERNATIVES ARE SUBJECT TO APPROVAL BY THE COUNTY EROSION CONTROL INSPECTOR. 18. PERMANENT STABILIZATION SHALL BE LIME AND FERTILIZER, PERMANENT SEEDING, AND MULCH. AGRICULTURAL GRADE LIMESTONE SHALL BE APPLIED AT 90LBS /1000SF, INCORPORATED INTO THE TOP 4 -6 INCHES OF SOIL FERTILZER SHALL BE APPLIED AT IOOOLB5 /ACRE AND CONSIST OF A 10 -20 -10 NUTRIENT MIX. PERMANENT SEEDING SHALL BE APPLIED AT 180UES /ACRE AND CONSIST OF 959 KENTUCKY 31 OR TALL FESCUE AND 0 -59 PERENNIAL RYEGRASS OR KENTUCKY BLUEGRASS. STRAW MULCH IS TO BE APPLIED AT 80LBS /1000SF. ALTERNATIVES ARE SUBJECT TO APPROVAL BY THE COUNTY EROSION CONTROL INSPECTOR. 19. MAINTENANCE: ALL MEASURES ARE TO BE INSPECTED WEEKLY AND AFTER EACH RAINFALL ANY DAMACF OR CI OP,GING TO STRUCTURAL MEASURES IS TO BE REPAIRED WHICH ARE COLLECTING SEDIMLNI IU HALF THEIR HIECHI MU51 UL ULLANGU ANU REPAIRED IMMEDIATELY. 20. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE REMOVED WITHIN 30 DAYS OF FINAL SITE STABILIZATION, WHEN MEASURES ARE NO LONGER NEEDED, SUBJECT TO APPROVAL BY THE COUNTY EROSION CONTROL INSPECTOR. 21. THIS PLAN SHALL BE VOID IF THE OWNER DOES NOT OBTAIN A PERMIT WITHIN 1 YEAR OF THE DATE OF APPROVAL. (WATER PROTECTION ORDINANCE SECTION 17- 2040.) 22. PERMANENT VEGETATION SHALL BE INSTALLED ON ALL DENUDED AREAS WITHIN NINE (9) MONTHS AFTER THE DATE THE LAND DISTURBING ACTIVITY COMMENCED. (WAITER PROTECTION ORDINANCE SECTION 17- 2078.) BFF EASEMENT FINISHED FLOOR BM BENCH MARK BK BACK CAN CABLE TELEVISION CIP CAST IRON PIPE @ CENTER LINE C.L. CHAIN LINK CMP CORRUGATED METAL PIPE CO CLEAN OUT GONG CONCRETE COB BOUNDARY FINE CORNER CPP CORRUGATED PLASTIC PIPE CY CUBIC YARDS DIA DIAMETER EL ELEVATION EMC ELECTRIC EDP EDGE OF PAVEMENT EQPT EQUIPMENT EX OR EXIST EXISTING FF FINISHED FLOOR ROD FACE OF CURB BAD GALVANIZED GR GROUND HC HANDICAP ABBREVIATIONS GENERAL NOTES L ALL FINISHED GRADING, SEEDING AND SODDING SHALL BE DONE IN SUCH A MANNER TO PRECLUDE THE PONDING OF THE WATER ON THE SITE, PARTICULARLY ADJACENT TO THE BUILDINGS OR STORM INLETS. 2. CONTRACTOR IS TO VERIFY MAT ALL UTILITIES I.E., WATER, SEWER GAS, ELECTRIC, TELEPHONE, CABLE, ETC, ARE IN PLACE PRIOR TO CONSTRUCTION OF SUBBASE AND /OR PAVING. 3. PROPOSED UNDERGROUND UTILITIES SUCH AS ELECTRIC, TELEPHONE, AND CABLE WHICH SERVE THIS FACILITY SHALL BE LOCATED WITH A MINIMUM 5 FOOT SEPARATION FROM PUBLIC WATER MAINS AND SANITARY SEWER. 4. CONTRACTOR SHALL BE INFORMED AND SHALL COMPLY WITH THE VIRGINIA OVERHEAD HIGH VOLTAGE LINE SAFETY ACT. ANY COSTS TO COVER LINES OR DISCONNECT SERVICE TO NEARBY POWER LINES SHALL BE AT THE CONTRACTOR'S EXPENSE. 5. SURFACE DRAINAGE: COMPLETELY DRAIN CONSTRUCTION SITE DURING PERIODS OF CONSTRUCTION TO KEEP SOII MATFRIAI S 6. SUBSURFACE DRAINAGE: CONSIDER SITE SURFACE AND SUBSURFACE CONDITIONS, AVAILABLE SOIL, AND HYDROLOGICAL DATA. REMOVE WATER BY BENCHING. SUMP PUMPING. DEEP WELL PUMPING, OR OTHER METHODS TO PREVENT SOFTENING OF SURFACES EXPOSED BY EXCAVATION. USE FILTERS ON DEWATERING DEVICES TO PREVENT REMOVAL OF FINES FROM SOIL. PROVIDE EROSION CONTROL AT OUTLET OF PIPING TO PREVENT EROSION. OPERATE DEWATERING SYSTEM CONTINUOUSLY UNTIL CONSTRUCTION WORK BELOW EXISTING WATER LEVELS IS COMPLETE. 7. ALL PIPES SHOWN AS HOPE ON PLANS SHALL CONFORM TO PASHTO M294 (TYPE S) SMOOTH WALL INTERIOR PIPE. MATERIAL AND INSTALLATION SHALL BE IN ACCORDANCE WITH VOOT ROAD AND BRIDGE STANDARDS AND ROAD AND BRIDGE SPECIFICATIONS. S. EROSION AND SEDIMENT CONTROL MEASURES SHALL BE PROVIDED IN ACCORDANCE WITH THE APPROVED EROSION CONTROL PLAN AND SHALL BE INSTALLED PRIOR TO ANY CLEARING, GRADING OR OTHER CONSTRUCTION. 9. ALL SLOPES AND DISTURBED AREAS ARE TO BE FERTILIZED, SEEDED AND MULCHED. THE MAXIMUM ALLOWABLE SLOPE IS 2:1 MOREONTALVERTICAL). WHERE REASONABLY OBTAINABLE, LESSER SLOPES OF 3:1 OR BETTER ARE TO BE ACHIEVED. 10. ALL TRAFFIC CONTROL SIGNS SHALL CONFORM WITH THE CURRENT EDITION OF THE MANUAL FOR UNIFORM TRAFFIC CONTROL DEVICES" AND THE VIRGINIA SUPPLEMENT. 11. ALL EXCAVATION FOR UNDERGROUND PIPE INSTALLATION MUST COMPLY WITH OSHA STANDARDS FOR THE CONSTRUCTION INDUSTRY (29 CFR PART 1926). 12. PRIOR TO COMMENCEMENT OF CONSTRUCTION, THE CONTRACTOR SHALL VERIFY ALL DIMENSIONS AND CONDITIONS AFFECTING HIS WORK INCLUDING EXISONG TOPOGRAPHY. IF THERE ARE ANY DISCREPANCIES WITH WHAT 15 SHOWN ON THE CONSTRUCTION DRAWINGS OR TOPOGRAPHIC SURVEY PWJ, ME CONTRACTOR SHALL IMMEDIATELY NOTIFY THE OWNER IN ORDER TO DETERMINE THE COURSE OF ACTION NECESSARY TO CORRECT FOR SUCH DISCREPANCY. FAILING TO NOTIFY THE OWNER AND SECURING SUCH INSTRUCTION, THE CONTRACTOR WILL BE CONSIDERED TO HAVE PROCEEDED AT THEIR OWN RISK AND EXPENSE. HDPE HIGH DENSITY POLYETHELENE HK HOOK ID INNER DIAMETER INV INVERT IRE IRON PIN FOUND IRS IRON PIN SET JB JUNCTION BOX TAT LATERAL LF LINEAR FEET LT LEFT ME MONUMENT FOUND MH MANHOLE NBL NORTH BOUND LANE NF NAIL FOUND NS NAIL SET NO NOT IN CONTRACT FITS NOT TO SCALE O.C. ON CENTER PE POLYETHYLENE PF PIPE FOUND PGL PROFILE GRADE LINE PROP PROPOSED PS PLANTED STONE FOUND NOTES, 1. THE SIZE OF THE SYMBOLS MAY VARY FROM THOSE SHOWN. 2. ALL SYMBOLS AND ABBREVIATIONS SHOWN MAY NOT BE USED. PVC POLYVINYL CHLORIDE PVMT PAVEMENT RCP REINFORCED CONCRETE PIPE SPOT REQUIRED PIT RIGHT R/W RIGHT OF WAY SAN SANITARY SEWER ML SOUTH BOUND LANE SO STORM DRAIN SO SQUARE S5. STAINLESS STEEL SEND SANITARY SEWER MANHOLE STA STATION STD STANDARD STL STEEL SW SIDEWALK TEA TO BE ABANDONED MR TO BE REMOVED TC TOP OF CURB TS &V TAPPING SLEEVE AND VALVE TYP TYPICAL UG UNDERGROUND CON UNLESS OTHERWISE NOTED VB VERTICAL BEND VPO VEHICLES PER DAY W WATER WL WATER LINE WM WATER MITER WT WATERTIGHT ME WOVEN WIRE FABRIC YDS YARDS EX. SYMBOL LEGEND NETA IN BENCHMARK /FFE 1: BOLLARD O 0 BORE HOLE 0 L BUILDING COLUMN ED --- R /W - -R BUSH ADJACENT RIGHT -OF -WAY c. CABLE BOX -- - - - -'- CEMETERY B - -- CONIFEROUS TREE BOUNDARY PROPERTY LINE DECIDUOUS TREE ALIJ DRAINAGE INLET GRATE wili Q DRILL HOLE OQ _ ELECTRIC PANEL BOX E ELECTRIC PEDESTAL QE BUSH LINE ELECTRIC TRANSFORMER 0 IE ELECTRIC MAN HOLE CAW OVERHEAD A, FIRE HYDRANT FLAG POLE p O ;Gi GAS MAN HOLE -I - :Ai, GAS METER ®M - -- _..- GAS VALVE N GENERATOR /- GROUND LIGHT > >> GUY POLE EASEMENT CONSTRUCTION AND GRADING HANDICAPPED PARKING _-H- HEAT PUMP 0 0 IRON PIN - -- - -- LIGHT POLE - - - - - - - - EASEMENT STORM MAILBOX -- - - -- -- MONITORING WELL Q ■ MONUMENT FOUND --- [J MONUMENT SET [] 8 PANEL POINT 8 -_ POWER METER ._ POWER POLE Pf ^� ROAD SIGN °- .- ._ -... SANITARY CLEAN OUT SANITARY SEWER MAN HOLE O$ FENCE CHAIN LINK SIAMESE CONNECTION -0- - - SIGN 4 4 SPRINKLER HEAD 6 L ; STORM DRAIN MAN HOLE DQ ..... .,,... TRAFFIC LIGHT POLE GAS UNDER GROUND ,. TELEPHONE MAN HOLE T T TELEPHONE PEDESTAL 17 TOP TELEPHONE POLE $ ELECTRIC OVERHEAD TELEPHONE JUNCTION BOX N -. 5E - IR'- TEST PIT 61 I.., TRAFFIC CONTROL BOX G31 G TRAFFIC JUNCTION BOX IT Q TRAVERSE 0° L UTILITY MARKER POST ED .,, UTILITY POLE PAVEMENT ASPHALT VENT PIPE 0 ,I WATER MAN HOLE - - WATER METER - C'<I WATER VALVE > WELL SANITARY SEWER SAN _ AMIGA U YARD GRATE EXISTING LINETYPE LEGEND NEW BUILDING OVERHEAD ADJACENT PROPERTY UNE --- R /W - -R /W - ADJACENT RIGHT -OF -WAY --- R /W- - -R /W- -- - - - -'- BUILDING COLUMN -- - - - -- - - BOUNDARY PROPERTY LINE - - ---- R /W- - -R /W- BOUNDARY RIGHT -OF -WAY ---- R/W-- -�t/W- BUILDING SETBACK _._,._ .... ..... BUSH LINE CAW OVERHEAD CAW UNDER GROUND - 0 -T - :i -I - TELEPHONE OVERHEAD - -- _..- TELEPHONE UNDER GROUND - DITCH CENTER LINE > >> EASEMENT CONSTRUCTION AND GRADING EASEMENT SLOPE - -- - -- EASEMENT SANITARY SEWER - - - - - - - - EASEMENT STORM -- - - -- -- - - -- EASEMENT STORMWATER MANAGEMENT ------- - - - - -- --- EASEMENT UTILITIES EASEMENT WATER -- _ -- >--- �:: - - -- FENCE BARBED WIRE • >s K X- -- °- .- ._ -... GUARD RAIL -_ > - - -_ -- FENCE CHAIN LINK - 0- 0 -0 -0- - - - - -- FENCE WOOD - - - - -- - FENCE WOVEN WIRE - ..... .,,... GAS UNDER GROUND TOP OF BANK TOG - TOP ELECTRIC OVERHEAD -. 5E - IR'- ELECTRIC UNDER GROUND RAILROAD CENTERLINE STREAM CENTERLINE - -,- _ PAVEMENT ASPHALT -�� - - ROAD CENTERLINE - - F., l: - SANITARY FORCEMAIN > - >I SANITARY SEWER SAN _ AMIGA STORM SEWER - - -- TORO MAJOR CONTOUR - -- - TORO MINOR CONTOUR .". -�. .. ,.0 ..._._. -, TREELIKE UTILITY OVERHEAD UTILITY UNDER GROUND WATERLINE - W - W - W - _- - -_ WELLAND LIMITS GRAVEL SURFACE DESIGNED BY: YKUJLGI: JLI KLV NU. OOAV R DN VIRGINIA WINEWORKS "�:1 ENCwesns DRAWN BY VSMP PLAN T. SHRVLYORS TN ALBEMARLE COUNTY VIRGINIA DRAWING NUMBER9EN'- PLANNERS TITLE: 64 mere en GENERAL NOTES, ABBREVIATIONS AND LEGEND C -2 m" fiSSOCIATES OB ;w SHCCT NUMBER�Gl- WWA NUMBER: FILE NAME: DISCIPLINE HCASESHOWN OAIE 2 Of 11 NO. SHEET REVISION BY DATE NO. SHEET REVISION BY DATE 215027.03 502703C_ND1.dwg V'NIA 9/24/1$ -- '00000, BC 91O 1 I �^ MU D1wDE. Dc. 71D 00115 ttPE. m. 3 NM C x9 uxns or mrvveulc[ a srnx yp . a ® ACC(IffATF Mp ueckmi �u`xn "wrecHU m C -3 •w xWx 9/26115 50111 EROSION AND SEDIMENT CONTROL L7GFND F O ce sF DD pR co 0 rs Ps MD 0 0 0 D la ❑ 0 PLPLlVMK£NP'Nurtna W NA 0 0 0 •❑' � O 0 0 Ell FE R ®m 0 EE DC - DD Ps mu F- - u a B/M l -� �CD M ao z�if� 4�3e4 r SF � — -- DCZ -� s* i r 'Al � n y mrt mvw.'vnarven PLPLlVMK£NP'Nurtna W NA pTFC unuw .xro 5Lp4M c�vmM. wMV C -6 ®m ASSOC u a 3 a ti U M °n 0 N a a n n 0 m n i i I. 0 i EROSION & SEDIMENT CONTROL NARRATIVE I. PROJECT DESCRIPTION THE PURPOSE OF THIS PROJECT IS TO PROVIDE EROSION AND SEDIMENT CONTROLS AS WELL AS STORMWATER MANAGEMENT PLANS FOR EXISTING DISTURBED AREAS (0J2 ACRES) AT VIRGINIA WINEWORKS, LLC. ME LIMITS OF CLEARING AND GRADING FOR IMPROVEMENTS SHOWN ON THESE PLANS IS 0.86 ACRES. II. EXISTING SITE CONDITIONS THE SITE WAS A FORESTED AREA HAS BEEN CLEARED WITH GRAVEL PLACED ON A PORTION OF THE PROJECT AREA. THE VIRGINIA WINEWORKS MAIN FACILITY IS LOCATED NEXT TO THE PROPOSED STORAGE FACILITY AREA. THERE IS AN EXISTING ACCESS ROAD TO THE PROJECT AREA, WHICH IS SHARED BY ADJACENT PROPERTY OWNER. III. ADJACENT PROPERTIES THE SITE IS BOUNDED TO THE SOUTH, WEST, AND NORTH BY FORESTED AREA. THE EAST BOUNDARY IS BOUNDED TO ME EAST BY VINEYARD FIELDS AND VINUM, LLC FARM WINERY MONTDOMAINE. N. OFF SIR AREAS THERE WILL BE NO OFF -SITE WORK ASSOCIATED WITH THIS PROJECT. V. ACCORDING TO USDA SCS SOIL MAPPING, THE PROJECT SITE LIES ON SOIL TYPES: DAVIDSON CLAY LOAM (23C) AND RABUN CLAY LOAM (71D). A DESCRIPTION OF THE SOIL TYPES FOLLOWS: 23C - DAVIDSON CLAY LOAM, 71D - BABUN CLAY LOAM J TO 15 PERCENT SLOPES 15 TO 25 PERCENT SLOPES HYDROLOGIC SOIL GROUP B HYDROLOGIC SOIL GROUP B K FACTOR. WHOLE SOIL RATING .28 K FACTOR, WHOLE SOIL RATING .24 FACTOR, ROCK FREE RATING .28 K FACTOR, ROCK FREE RATING .24 VI. CRITICAL AREAS CARE SHALL BE TAKEN TO STABILIZE ALL SLOPES AND PREVENT EROSION. VII. STORMWATER MANAGEMENT CONSIDERATIONS 5TORMWATER QUANTITY AND QUALITY WILL BE PROVIDED BY THE BMP FACILITY PROPOSED AS PART OF THESE PLANS. THE FACILITY WILL SERVE AS A SEDIMENT TRAP UNTIL THE SITE IS STABILIZED. MII. OFF -SITE ACTIVITIES THERE ARE NO OFF -SITE ACTIVITIES ASSOCIATED WITH THIS PROJECT. IX. EROSION AND SEDIMENT CONTROL MEASURES ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE CONSTRUCTED AND MAINTAINED BY THE CONTRACTOR IN ACCORDANCE WITH THE LATEST EDITION OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. SYMBOLS, DETAILS, AND DIMENSIONS USED ARE TAKEN FROM THE HANDBOOK, AS WELL AS ME VIRGINIA DEPARTMENT OF TRANSPORTATION'S ROAD AND BRIDGE STANDARDS, VOLUME I, 2008. A. STRUCTURAL PRACTICES 1. SAFETY FENCE (3.01): INSTALL SAFETY FENCE AROUND SEDIMENT TRAP AS SHOWN. 2. TEMPORARY CONSTRUCTION ENTRANCE (CE), 3.02: TEMPORARY CONSTRUCTION ENTRANCES SHALL BE IN ACCORDANCE WITH ALBEMARLE COUNTY REQUIREMENTS. A MINIMUM WATER TAP OF 1" MUST BE INSTALLED WITH A MINIMUM 1" BALLCOCK SHUTOFF VALVE SUPPLYING A WASH HOSE WITH A DIAMETER OF 1.5" FOR ADEQUATE CONSTANT PRESSURE. WASH WATER MUST BE CARRIED AWAY FROM THE ENTRANCE TO AN APPROVED SETTLING AREA TO REMOVE SEDIMENT. ALL SEDIMENT SHALL BE PREVENTED FROM ENTERING STORM DRAINS, DITCHES OR WATERCOURSES. 3. SILT FENCE (SE, ODE: SILT FENCE BARRIERS SHALL BE INSTALLED DOWN SLOPE OF AREAS WITH MINIMAL GRADES TO FILTER RUNOFF FROM SHEET FLOW AS INDICATED ON THE ATTACHED SITE PLAN. 4. TEMPORARY DIVERSION DIKE (DD), 3.09: TEMPORARY DIVERSION DIKES SHALL BE PROVIDED AS SHOWN OR AS NEEDED TO DIVERT SEDIMENT -LADEN RUNOFF TO A STABILIZED OUTLET. 5. TEMPORARY SEDIMENT TRAP (ST), 3.13: TEMPORARY SEDIMENT TRAPS SHALL BE CONSTRUCTED AS SHOWN ON THE PLANS TO COLLECT AND DETAIN SEDIMENT LADEN RUNOFF LONG ENOUGH TO ALLOW A MMORPY OF THE SEDIMENT TO SETTLE OUT BEFORE BEING DISCHARGED FROM THE SITE. 6. STORMWAMR CONVEYANCE CHANNEL (SCC), 3.17: PROVIDE AS SHOWN FOR THE CONVEYANCE OF CONCENTRATED RUNOFF WATER TO A RECEIVING CHANNEL OR INLET. 7. CHECK DAMS (CD), 3.20: CHECK DAMS SHALL BE CONSTRUCTED AS SHOWN ON ME PLANS TO REDUCE ME VELOCITY OF CONCENTRATED STORMWATER FLOWS, THEREBY REDUCING EROSION OF THE CHANNEL. B. SOIL STABRIZATION BASKETS & MATTING (B /M), 3.36: INSTALL AS SHOWN ON PLAN TO RESIST EROSION AND PROMOTE ME ESTABLISHMENT OF YOUNG VEGETATION IN CHANNEDZED AREAS. 9. DUST CONTROL (DC), 3.39: PROVIDE DUST CONTROL AS SHOWN ON PLANS TO HELP REDUCE THE PRESENCE OF AIRBORNE SUBSTANCES DURING LAND DISTURBING ACTIVITIES. B VEGETATIVE PRACTICES 1. TOP SOILING & STOCKPIUNG (TO), 3.30: TOPSOIL WILL BE STRIPPED FROM AREAS TO BE GRADED AND STOCKPILED FOR LATER USE. STOCKPILES ARE TO BE STABILIZED WILD TEMPORARY VEGETATION AND HAVE SILT FENCE INSTALLED ALONG THE LOWER PERIMETER. STOCKPILES SHALL BE LOCATED AS SHOWN ON THE PLANS. 2. REFER TO " ALBEMARLE COUNTY GENERAL CONSTRUCTION NOTES FOR EROSION AND SEDIMENT CONTROL PLANS" #17 AND $18 ON THIS SHEET AND TO "TEMPORARY & PERMANENT SEEDING SCHEDULE 3.92 -D" ON DWG C -6 FOR ADDITIONAL INFORMATION. C. MINIMUM STANDARDS MI STABILIZATION OF DENUDED AREAS: PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO DENUDED AREAS WITHIN Z DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THE SITE. TEMPORARY SOIL STABIUZATION SHALL BE APPLIED WITHIN Z DAYS TO DENUDED AREAS THAT MAY NOT BE AT FINAL GRADE, BUT WILL REMAIN DORMANT CR UNDISTURBED FOR LONGER THAN 30 DAYS. PERMANENT STABILIZATION SHALL BE APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR MORE THAN ONE YEAR. MS -2. STABILIZATION OF SOIL STOCKPILES: DURING CONSTRUCTION OF THE PROJECT, SOIL STOCKPILES AND BORROW AREAS SHALL BE STABILIZED OR PROTECTED WITH SEDIMENT TRAPPING MEASURES. THE APPLICANT IS RESPONSIBLE FOR TEMPORARY PROTECTION AND PERMANENT STABILIZATION OF ALL STOCKPILES ON SITE AS WELL AS BORROW AREAS AND SOIL INTENTIONALLY TRANSPORTED FROM THE PROJECT SITE. MI PERMANENT VEGETATIVE COVER: A PERMANENT VEGETATIVE COVER SHALL BE ESTABLISHED ON DENUDED AREAS NOT OTHERWISE PERMANENTLY STABILIZED. PERMANENT VEGETATION SHALL NOT BE CONSIDERED ESTABLISHED UNTIL A GROUND COVER IS ACHIEVED THAT, IN THE OPINION OF THE US INSPECTOR, IS UNIFORM AND MATURE ENOUGH TO SURWNE AND INHIBIT EROSION. MI TIMING AND STABILIZATION OF SILT TRAPPING MEASURES: SEDIMENT BASINS AND TRAPS, STORM INLET PROTECTION, SILT FENCING, AND OTHER MEASURES INTENDED TO TRAP SEDIMENT SHALL BE CONSTRUCTED AS A FIRST STEP IN ANY LAND DISTURBING ACTIVITY AND SHALL BE MADE FUNCTIONAL BEFORE UPSLOPE LARD DISTURBANCE TAKES PLACE. MI STABILIZATION OF EARTHEN STRUCTURES: STABILIZATION MEASURES SHALL BE APPLIED TO EARTHEN STRUCTURES SUCH AS DAMS, DIKES AND DIVERSIONS IMMEDIATELY AFTER INSTALLATION. MS -6. SEDIMENT BASINS AND TRAPS: SEDIMENT TRAPS & BASINS SHALL BE CONSTRUCTED BASED UPON THE TOTAL DRAINAGE AREA TO BE SERVED. A THE MINIMUM CAPACITY OF A SEDIMENT TRAP SHALL BE 134 CUBIC YARDS PER ACRE OF DRAINAGE AREA AND SHALL CONTROL A DRAINAGE AREA OF LESS THAN 3- ACRES. E THE MINIMUM CAPACITY OF A SEDIMENT BASIN SHALL BE 134 -CUBIC YARDS PER ACRE OF DRAINAGE AREA, AND SHALL CONTROL A DRAINAGE AREA OF 3 -ACRES OR GREATER. MS -7. CUT AND FILL SLOPES: CUT AND FILL SLOPES SHALL BE CONSTRUCTED IN A MANNER THAT WILL MINIMIZE EROSION.. SLOPES THAT ARE FOUND TO BE ERODING EXCESSIVELY WITHIN ONE YEAR OF PERMANENT STABILIZATION SHALL BE PROVIDED WITH ADDITIONAL SLOPE STABILIZING MEASURES UNTIL THE PROBLEM IS CORRECTED. MI CONCENTRATED RUNOFF DOWN CUT OR FILL SLOPES: CONCENTRATED RUNOFF SHALL NOT FLOW DOWN CUT OR FILL SLOPES UNLESS CONTAINED WITHIN AN ADEQUATE TEMPORARY OR PERMANENT CHANNEL, FLUME OR SLOPE DRAIN STRUCTURE. M-9. WATER SEEPAGE FROM A SLOPE FACE: WHENEVER WATER SEEPS FROM A SLOPE FACE, ADEQUATE DRAINAGE OR OLDER PROTECTION( SHALL BE PROVIDED. MS-10. STORM SEWER INLET PROTECTION: ALL STORM SEWER INLETS THAT ARE MADE OPERABLE DURING CONSTRUCTION SHALL BE PROTECTED SO THAT SEDIMENT -LADEN WATER CANNOT ENTER THE CONVEYANCE SYSTEM WITHOUT FIRST BEING FILTERED OR OTHERWISE PEDRO TO REMOVE SEDIMENT. MS-11. STABILIZATION OF OUTLETS: BEFORE NEWLY CONSTRUCTED STORM WATER CONVEYANCE CHANNELS OR PIPES ARE MADE OPERATIONAL, ADEQUATE OUTLET PROTECTION AND ANY REQUIRED TEMPORARY OR PERMANENT CHANNEL USING SHALL BE INSTALLED IN DOH THE CONVEYANCE CHANNEL AND RECEIVING CHANNEL MS -12. WORK IN LIVE WATERCOURSES: WHEN WORK IN A LIVE WATERCOURSE IS PERFORMED, PRECAUTIONS SHALL BE TAKEN TO MINIMIZE ENCROACHMENT, CONTROL SEDIMENT TRANSPORT AND STABILIZE THE WORK AREA TO THE GREATEST EXTENT POSSIBLE DURING CONSTRUCTION, NONERODIBLE MATERIAL SHALL BE USED FOR THE CONSTRUCTION OF CAUSEWAYS AND COFFERDAMS, EARLIER FILL MAY BE USED FOR RUSE STRUCTURES IF ARMORED BY NONERODIBLE COVER MATERIALS. MS -13. CROSSING A LNE WATERCOURSE: WHEN A LIVE WATERCOURSE MUST BE CROSSED BY CONSTRUCTION VEHICLES MORE THAN TWICE IN MY SIX MONTH PERIOD, A TEMPORARY VEHICULAR STREAM CROSSING CONSTRUCTED OF NONERODIBLE MATERIALS SHALL BE PROVIDED, MS -14. APPUCMR REGULATIONS: ALL APPLICABLE FEDERAL, STATE AND LOCAL REGULATIONS PERTAINING TO WORKING IN OR (CROSSING LIVE WATERCOURSES SHALL BE MET. MS -15. STABILIZATION OF BED AND BANKS: THE BED AND BANKS OF A WATERCOURSE SHALL BE STABILIZED IMMEDIATELY AFTER WORK IN THE WATERCOURSE IS COMPLETED. MS-16. UNDERGROUND UTILMES: UNDERGROUND UTILITY LINES SHALL BE INSTALLED IN ACCORDANCE WITH THE FOLLOWING STANDARDS, IN ADDMON TO OTHER APPLICABLE CRITERIA: A. NO MORE THAN 500 - LINEAR FEET OF TRENCH MAY BE OPENED AT ONE TIME. B. WHERE CONSISTENT WITH SAFETY AND SPACE CONSIDERATIONS, EXCAVATED MATERIAL IS TO BE PLACED ON THE UPHILL SIDE OF TRENCHES, EXCEPT FOR ANY DIVERSION DITCHES. C. EFFLUENT FROM DEWATERING OPERATIONS SHALL BE FILTERED OR PASSED THROUGH AN APPROVED SEDIMENT TRAPPING DEVICE, OR BOTH, AND DISCHARGED IN A MANNER THAT DOES NOT ADVERSELY AFFECT FLOWING STREAMS OR RHODE PROPERTY. D. TRENCH BACKFILL MATERIAL SHALL BE PROPERLY COMPACTED IN ORDER TO MINIMIZE EROSION AND PROMOTE STABIUZATION. E. RESTABILIZATION SHALL BE ACCOMPLISHED IN ACCORDANCE WITH THESE REGULATIONS. F ALL APPUCMLE SAFETY REGULATIONS SHALL BE COMPLIED WILD AT ALL TIMES. MS-17. CONSTRUCTION ACCESS ROUTES: MMF CONSTRUCTION VFHICIF ACCESS ROLITFS INTFRSFCT PAVFD OR PUBLIC ROADS. PROVISIONS SHALL BE MADE OF EACH DAY. SEDIMENT SHALL BE REMOVED BY SHOVELING OR SWEEPING AND IHANSPOHILD IU A SEDIMENI DISPOSAL AREA. STREET WASHING SHALL BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED IN THIS MANNER. THIS PROVISION SHALL APPLY TO INDIVIDUAL DEVELOPMENT LOTS AS WELL AS TO LARGER LAND - DISTURBING ACTIVITIES. 30 M$-19. ADEQUACY OF RECEIVING CHANNELS: PROPERTIES AND WATERWAYS DOWNSTREAM FROM THE DEVELOPMENT SHE SHALL BE PROTECTED FROM SEDIMENT DEPOSITION, EROSION AND DAMAGE DUE TO INCREASES IN VOLUME, VELOCITY AND PEAK FLOW RATES OF STORM WATER RUNOFF FOR THE STATED FREQUENCY STORM OF 24 -HOUR DURATION. D MAINTENANCE' ALL EROSION AND SEDIMENT CONTROL STRUCTURES AND SYSTEMS SHALL BE MAINTAINED, INSPECTED, AND REPAIRED AS NEEDED TO INSURE CONTINUED PERFORMANCE OF THEIR INTENDED FUNCTION. ALL EROSION AND SEDIMENT CONTROL MEASURES SHALL BE CHECKED AT THE END OF EACH DAY AND AFTER EVERY RAINFALL EVENT. 1. DAMAGE TO EROSION CONTROL MEASURES CAUSED BY CONSTRUCTION TRAFFIC OR OTHER ACTIVITY SHALL BE REPAIRED BEFORE THE END OF EACH WORKING DAY. 2. MAINTAIN ALL SEEDED AREAS UNTIL A UNIFORM STAND IS ACCEPTED. 3. SAFETY FENCE (3.01): INSPECT SAFETY FENCE REGULARLY FOR WEARER- RELATED OR OTHER DAMAGE. MAKE REPAIRS AS NECESSARY. 4. CONSTRUCTION ENTRANCE (3.02): PROVIDE FOR EQUIPMENT WASHING AS NEEDED TO PREVENT THE TRANSPORT OF SOIL ONTO EXISTING ASPHALT ROADWAYS. ANY SEDIMENT ON THE PAVEMENT SHALL BE REMOVED IMMEDIATELY. 5. SILT FENCE (3.05): SILT FENCE BARRIERS WILL BE CHECKED DAILY FOR UNDERMINING OR DETERIORATION OF THE FABRIC. SEDIMENT SHALL BE REMOVED WHEN THE LEVEL REACHES HALF WAY TO THE TOP OF THE BARRIER. S. TEMPORARY DIVERSION DIKE (3.09): THE MEASURES SHALL BE INSPECTED AFTER EVERY STORM AND REPAIRS MADE TO THE DIVERSION AS NECESSARY. ONCE EVERY TWO WEEKS, WHETHER A STORM EVENT HAS OCCURRED OR NOT, ME MEASURES SHALL BE INSPECTED AND REPAIRS MADE IF NEEDED. Z. TEMPORARY SEDIMENT TRAP (3.13): ME MEASURE SHALL BE CHECKED REGULARLY TO ENSURE RAT IT IS STRUCTURALLY SOUND AND HAS NOT BEEN DAMAGED BY EROSION OR CONSTRUCTION EQUIPMENT. SEDIMENT SHALL BE REMOVED AND ME TRAP RESTORED TO ITS ORIGINAL DIMENSIONS WHEN THE SEDIMENT HAS ACCUMULATED TO ONE HALF OF THE DESIGN VOLUME. S. STORMWATER CONVEYANCE CHANNELS (3.17): THE MEASURE SHALL HE CHECKED PERIODICALLY TO ENSURE THAT SCOUR IS NOT OCCURRING. SEDIMENT DEPOSITED IN THE CHANNELS SHALL BE REMOVED PRIOR TO THE REMOVAL OF THE TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES, AND DURING CONSTRUCTION WHEN THE CAPACITY OF THE CHANNELS IS REDUCED. 9. CHECK DAMS (3.20): THE MEASURE SHALL BE CHECKED FOR SEDIMENT ACCUMULATION AFTER EACH RUNOFF PRODUCING STORM EVENT. SEDIMENT SHOULD BE REMOVED WHEN IT REACHES ONE HALF OF ME ORIGINAL HEIGHT OF THE MEASURE. REGULAR INSPECTIONS SHALL 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. 10. SEEDING (3.31/ 3.32): AREAS WHICH FAIL TO ESTABLISH VEGETATIVE COVER ADEQUATE TO PREVENT RILL EROSION WILL BE RESEEDED AS SOON AS SUCH AREAS ARE IDENTIFIED. 11. SOIL STABILIZATION BLANKETS & MATTING (3.36): THE MEASURE SHALL BE PERIODICALLY CHECKED FOR UNDERMINING AND TO ENSURE THAT R IS SECURE AND FUNCTIONING AS INTENDED. 12. DUST CONTROL (3.39): PROVIDE DUST CONTROL IN AREAS SUBJECT TO SURFACE AND AIR MOVEMENT OF DUST WHERE ON -SITE AND OFF -SITE DAMAGE IS LIKELY TO OCCUR IF PREVENTIVE MEASURES ARE NOT TAKEN. AUBIEWIFIll COUNTI' GENERAL CONSTRUCTION NOTES FOR EROSION AND SEDIMI CONTROL PLANS 11 ME PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO ME PRE - CONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT OF LAND DISTURBING ACTMTY. AND ONE WEEK PRIOR TO ME FINAL INSPECTION. 14. ALL EROSION AND SEDIMENT CONTROL MEASURES WILL BE CONSTRUCTED AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATION OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA REGULATIONS VR 625 -02 -00 EROSION AND CONTROL SEDIMENT REGULATIONS. 15. ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS ME FIRST STEP IN CLEARING. 16. A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE MAINTAINED ON ME SHE AT ALL TIMES. 17. PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICATED ON THESE PLANS (INCLUDING, BUT NOT LIMITED M, 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. 18. THE CONTRACTOR IS RESPONSIBLE FOR INSTALIATON OF ANY AODMONAL EROSION CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS DETERMINED BY THE PUN APPROVING AUTHORITY. Z. PLL 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. 8. DURING DEWATERING OPERATIONS, WATER WILL BE PUMPED INTO AN APPROVED FILTERING DEVICE. 9. THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY AND AFTER EACH RUNOFF - PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS FOR CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL BE MADE IMMEDIATELY. 10. ALL FILL MATERIAL TO BE TAKEN FROM AN APPROVED. DESIGNATED BORROW AREA 11. ALL WASTE MATERIALS SHALL BE TAKEN TO AN APPROVED WASTE AREA. EARTH FILL SHALL BE INERT MATERIALS ONLY, FREE OF ROOTS, STUMPS, WOOD, RUBBISH, AND OTHER DEBRIS. 12. BORROW OR WASTE AREAS ARE TO BE RECLAIMED WITHIN J DAYS OF COMPLETION PER ZONING ORDINANCE SECTION 5.1.28. 13. ALL INERT MATERIALS SHALL BE TRANSPORTED TO COMPLIANCE WITH SECTION 13 -301 OR ME CODE OF ALBEMARLE. 14, BORROW, FILL OR WASTE ACTIVITY INVOLVING INDUSTRIAL -TYPE POWER EQUIPMENT SHALL BE LIMITED TO THE HOURS OF 7:OOA.M. TO 9:00 P.M. 15. BORROW, FILL OR WASTE ACTIVITY SHALL BE CONDUCTED IN A SAFE MANNER THAT MAINTAINS LATERAL SUPPORT, IN ORDER TO MINIMIZE ANY HAZARD TO PERSONS, PHYSICAL DAMAGE TO ADJACENT LAND AND IMPROVEMENTS. AND DAMAGE TO ANY PUBLIC STREET BECAUSE OF SUDES, SINKING, OR COLLAPSE, 16. THE DEVELOPER SHALL RESERVE THE RIGHT TO INSTALL. MAINTAIN, REMOVE OR CONVERT TO PERMANENT STORMWATER MANAGEMENT FACILITIES WHERE APPLICABLE ALL EROSION CONTROL MEASURES REQUIRED BY THIS PLAN REGARDLESS OF THE SALE OF ANY LOT, UNE BUILDING OR OTHER PORTION OF THE PROPERTY. 17. TEMPORARY STABILIZATION SHALL BE TEMPORARY SEEDING AND MULCHING. SEEDING IS TO BE AT 75 LBS /ACRE, AND IN THE MOMS OF SEPTEMBER TO FEBRUARY TO CONSIST OF 50/50 MIX OF ANNUAL RYEGRASS AND CEREAL WINTER RYE, OR IN MARCH AND APRIL TO CONSIST OF ANNUAL RYE, OR MAY THROUGH AUGUST TO CONSIST OF GERMAN MILLET. STRAW MULCH TO BE APPLIED AT BOLM /10DSF. ALTERNATIVES ARE SUBJECT TO APPROVAL BY THE COUNTY EROSION CONTROL INSPECTOR. 18, PERMANENT STABILIZATION SHALL BE LIME AND FERTILIZER, PERMANENT SEEDING. AND MULCH. AGRICULTURAL GRADE LIMESTONE SHALL BE APPLIED AT 9OLBS /1O0OSF, INCORPORATED IMO THE TOP 4 -6 INCHES OF SOIL. FERTILIZER SHALL BE APPLIED AT 1000LBS /ACRE AND CONSIST OF A 10 -20 -10 NUTRIENT MIX. PERMANENT SEEDING SHALL BE APPLIED AT 180LBS /ACRE AND CONSIST OF 95% KENTUCKY 31 OR TALL FESCUE AND 0 -52 PERENNIAL RYEGRASS OR KENTUCKY BLUEGRASS. STRAW MULCH IS TO BE APPLIED AT BOLBS /1000SK ALTERNATIVES ARE SUBJECT TO APPROVAL BY THE COUNTY EROSION CONTROL INSPECTOR. 19. MAINTENANCE: ALL MEASURES ARE TO BE INSPECTED WEEKLY AND AFTER EACH RNNFALL. ANY DAMAGE OR CLOGGING TO STRUCTURAL MEASURES IS TO BE REPAIRED 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 DIKES WHICH PRE COLLECTING SEDIMENT TO HALF THEIR HEIGHT MUST BE CLEANED AND REPAIRED IMMEDIATELY. 20. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE REMOVED WITHIN 30 DAYS OF FINAL SITE STABILIZATION, WHEN MEASURES ARE NO LONGER NEEDED, SUBJECT TO APPROVAL BY THE COUNTY EROSION CONTROL INSPECTOR. 21. THIS PLAN SHALL BE VOID IF ME OWNER DOES NOT OBTAIN A PERMIT WITHIN 1 YEAR OF THE DATE OF APPROVAL (WATER PROTECTION ORDINANCE SECTION 17- 204G). 22. PERMANENT VEGETATION SHALL BE INSTALLED ON ALL DENUDED AREAS WITHIN NINE (9) MONTHS AFTER THE DATE THE LAND DISTURBING ACTIVITY COMMENCED. (WATER PROTECTION ORDINANCE SECTION 17- 2078). 1. CONTRACTOR TO SCHEDULE AND ATTEND A PRE - CONSTRUCTION MEETING WITH ALBEMARLE COUNTY AND OBTAIN ALBEMARLE COUNTY LAND DISTURBANCE PERMIT PRIOR TO THE START OF ANY LAND DISTURBING/ CONSTRUCTION ACTIVITIES ASSOCIATED WITH THIS PLAN. 2. INSTALL CONSTRUCTION ENTRANCE, SEDIMENT TRAP, AND PERIMETER CONTROLS INCLUDING STORMWATER CONVEYANCE CHANNELS, LEVEL SPREADER, CHECK DAMS, AND SILT FENCE. 3. CLEAR AND GRADE TO ME EXTENT NECESSARY TO INSTALL TRAPS. 4. INSTALL TEMPORARY SEEDING, PERMANENT SEEDING, MULCHING, AND STABILIZATION MATTING 5. ALL EROSION AND SEDIMENT CONTROLS SHALL BE REMOVED WITHIN 30 DAYS OF FINAL SITE STABILIZATION OR WHEN MEASURES PRE NO LONGER NEEDED. REMOVALS ARE SUBJECT TO APPROVAL BY THE COUNTY EROSION CONTROL INSPECTOR. 6. UPWARD SEDIMENT TRAP AND CONVERT TO BIORETENTION FACILITY ONCE THE DRAINAGE AREA IS STABILIZED AND APPROVAL IS GIVEN BY THE ALBEMARLE COUNTY EROSION AND SEDIMENT CONTROL INSPECTOR TO CONVERT FACILITY TO PERMANENT STORMWATER MANAGEMENT FACIUTY. 7. CLOSE OUT THE PROJECT. DESIGNED BY: YKUJtCI: SLI HLE NO. Dw VIRGINIA WINEWORKS L � ENGNEERS VSMP PLAN - ORNWN BY: -- - SURVFYQRS Ta ALBEMARLE COUNTY, VIRGINIA JORAWING NUMBER: _- E ♦} nr. TITLE: oAVmm. WseN GIHR ar EROSION AND SEDIMENT CONTROL NARRATIVE C -5 Ls� 11ff89 X6 JOB - a 9/z ¢/5 ASSOCIATES HEET NUMBER: s a & / G " WWA NUMBCR. FILE NAME: DISCIPLINE SCALE: DATE: p9 �v N0. SHEET REVISION BY DATE NO. SHEET REVISION BY DATE MAL -.._ 215027.03 5027OJC_M2.dw9 CML V'N�A 9124 /1 5 Of 11 SENTENCE ass DAPEAU LEVEL SPREADER CROSS SECTION I East r »ar��uarw'i OR AN WE MERGE TO 501L� LEVEL SPREADER WITH RIGID LIP umLS Will H NOTED . no. x SPENT 19, BRYAN OR SAFETY FENCE PREPecnvE YEN EACH RACE I'd PRINT , SAFTE, E,,, SAF AC TEMPORARY SEDLMFNT TRAP A PC I ` CROSS SECTION OF OUTLET ALAN 3 ANN OUTLET (PERSPECTIVE VIEW) Pool F 1 ° .. Nn3 12 Al G ..m &f6pN P A ,a PAVED WASH RACK CE SKI LE FAA RECIES PLIMA17.1 SPIN 1 d) 15 alfil THUMERNIMP, Tull US Affin, I INCH T No INY IF AM sly GEO MY FLA. TOTAL 175 200 1% FRANK FEE FOCAN TOTAL AN 25U UP ME LOUIS Is IF I remenUl cA FAN 7, I.E. I CERAMIC 'FAR FULTY 2 IS As ILASS No As CIA 211, Max -mum BASIN, NEILLEY Increment I. 11 A Tc 12hnat TOTAL 15D 136 omeel Slope Geometry 81ner Ma @net Vax 6z n Vel Iry En 1i All Aafil 1, holm G4(crs) TOYear CM1annel ftenlarhs fifififiga Y R L I IS PIENE or MY AP .11. du1nA at.. .11, Falls ,.. I a' ON (AN.) (min) NOTE A at Off � KANSAS, 0 di IN al RUSH NE PER NIPPON 0 EIRE IN 5011 PH d $110 OPEN , Fp 5 A COPY AA MAE N I NFL OC P MAL 'CIA n CPU No A AIR a L IF Clavy, TIME HE AT I (mis MART. V., CRAY ii.TY ..U2 al ST PS ENNA 30 ron STRUCYIPPA o! A :1L3 TEETICE (fF /TNOQT IVJaL o(l('l'OreL) �E.wLE I mags, A NA OR TOO ME To IF I �sl � U P .o i r �/ t P yl .III 01 Tm 1 I IT \ J 1, T k POP AN %� k] U HEAR NOLK NO FACTIC ANCEPHRO nmID¢n. nn _. -. va..a w.., P,.,.,> SF IF TYPICAL ORIIiNT497PN OF 1'XL 4i M1lENT - 1 I. (SOIL STAHL I7ATION BIGNIN FT) t RAI HE AN ..IS HE es. ......... ...x -�.I I L1 go Is Eig IPIIAI HEY surral fi,,MLY An AN in -P4 Open Channel Design Worksheet � Project: 21502.Wineworks SURVEYORS WWA Protect Number 21502].03 -_ _ _ SUa erorea Date... 9124/2015 '._ _ -_- PLIMA17.1 SPIN 1 d) 15 alfil THUMERNIMP, Tull ''.,� _ _ /1SSOCIATES T No INY IF TRUTH MR A I ME NOTES I remenUl cA Allo ble 2 -Year Max -mum SegmentID Increment I. D -nags Area Tc 12hnat Ql omeel Slope Geometry 81ner Ma @net Vax 6z n Vel Iry Velmlty holm G4(crs) TOYear CM1annel ftenlarhs (AN.) (min) (wG) (mis (EPA) cepiM1 l „) Depth (it) Incremental A¢umulaktl b 2 2 SOC -0A 0.30 1 2.00 0.60 1 0.60 19A0 1 3.06 1 1,83 1 0.022 1 0a 12.0 ' 2.0 1 EC-2 of I 0.050 1 4.00 1 1.99 11,07 2.44 096 1.00 SCG16 0.30 0.53 0.16 O.T6 19,00 3.06 2:31 0:116 O:P 2'bl 2.0 EG2 0.36 0.050 4.0 2.62 4.PI 3.08 0.31 L00 SCCS O.M O.i6 0.06 0.06 5.00 I 5.18 I 0.33 1 0.022 D.0 2.0'. 2.0 E0.3 0.20 1 0.050 1 4.00 1 1.26 6.61 0.43 0.40 PRO MOE WI ANN _ rEP TH OF O ,g 1 SURAEYo$ Saawraxs DASTDM. I SEN PLANNERS /o. BOO �19l �� S�, �' Assoclfir ` FSS2DNAL ENGl BERDATE No. PECTE POT/Mi Rr nnrF ^- ^ ^• .03 l i. REFERENCE FOR ALL REGIONS i FEL LPFC)i DIVERSION DICE \SII �i1�111 III IIII I I III Il�ll�(II n -I Cong- No TYPl(U6 N'4INYW1P OFO T- SL61f0Aa p �bu� 1 II�IIIIF�1111j1 11�IS� -of NEYOUT al Ilr � .. _.. V I I�IRHII HIII CIP, -1111 1=111 T I II 1 CUP Pro ,.... ,.� C .m,... =... A 17 b1i AN [TRY, PLIMA17.1 SPIN 1 d) 15 alfil THUMERNIMP, Tull Ell 133 T No INY IF TRUTH MR A I ME NOTES FEL LPFC)i DIVERSION DICE \SII �i1�111 III IIII I I III Il�ll�(II n -I Cong- No TYPl(U6 N'4INYW1P OFO T- SL61f0Aa p �bu� 1 II�IIIIF�1111j1 11�IS� -of NEYOUT al Ilr � .. _.. V I I�IRHII HIII CIP, -1111 1=111 T I II 1 CUP Pro ,.... ,.� C .m,... =... A 17 b1i AN [TRY, PLIMA17.1 Ell 133 TS SCC PROVIDE VOOT STANDARD EC -2 INNER SCC TYPICAL SECTION (SCC -1A. 5CC -1B. SCC -2) NTS SET REV N0. WINEWORKS _ EROSION AND SEDIMENT CONTROL DETAILS C -6 6of11 n 0 3 N UI M O n O h a a a h O n N O h N O 3 3 n N O h N PLAN PING M A'PERIAL SCHEDULE - CODEJ BOTANICALNAME ICOMMON NAME SPACING TOTALQUANTITV SIZE IG I ILEX GLABRA I INKBERRV TMIN. 3 2 -3 GAL. - -_ -- IV JILEXVERTJCLIATTAj WINTERBERRV P MIN. 3 2 -3 GAL. �N %o PkM vn nRClrvw 5MC 1 NBc�.wR1E i p a 315CQ1.N ^o H6 8136115 Half `i SHM FLOW ry vn nRClrvw 5MC 1 NBc�.wR1E i p a 315CQ1.N ^o H6 8136115 Half `i SHM FLOW LL_1 vn nRClrvw 5MC 1 NBc�.wR1E i p a 315CQ1.N ^o H6 8136115 Half `i SHM FLOW vn nRClrvw 5MC 1 NBc�.wR1E i p a 315CQ1.N ^o H6 8136115 Half BIORETENTION AREA PLANTING SPECIFICATIONS: FROM VIRGINIA STORMWATER MANAGEMENT HANDBOOK 1. ROOT STOCK OF THE PLANT MATERIAL SHALL BE KEPT MOIST DURING TRANSPORT FROM THE SOURCE TO THE JOB SITE AND UNTIL PLANTED. 2. WALLS OF PLANTING PIT SHALL BE DUG SO THAT THEY ARE VERTICAL. 3. THE DIAMETER OF THE PLANTING PR MUST BE A MINIMUM OF SIX INCHES (6 ") LARGER THAN THE DIAMETER OF THE BALL OF THE TREE. 4. THE PLANTING PIT SHALL BE DEEP ENOUGH TO ALLOW 1/8 OF THE OVERALL DIMENSION OF THE ROOT BALL TO BE ABOVE GRADE. LOOSE SOIL AT THE BOTTOM OF THE PIT SHALL BE TAMPED BY HAND. S. THE APPROPRIATE AMOUNT OF FERTILIZER IS TO BE PLACED AT THE BOTTOM OF THE PIT (SEE BELOW FOR FERRUZATION RATES). 6. THE PLANT SHALL BE REMOVED FROM THE CONTAINER AND PLACED IN THE PLANTING PT BY LIFTING AND CARRYING THE PLANT BY ITS' BALL NEVER UFT BY BRANCHES OR TRUNK. 1. SET THE PLANT STRAIGHT AND IN THE CENTER THE PIT SO THAT APPROXIMATELY 1/8 OF THE DIAMETER OF WE ROOT BALL IS ABOVE THE FINAL GRADE. 8. BACKFILL PLANTING PIT WITH EXISTING SOIL 9. MAKE SURE PLANT REMAINS STRAIGHT DURING BACKFILLING PROCEDURE 10. NEVER COVER THE TOP OF THE BALL WITH SOIL MOUND SOIL AROUND THE EXPOSED BALL. 11. TREES SHALL BE BRACED BY USING 2" BY T WHITE OAK STAKES. STAKES SHALL BE PLACED PARALLEL TO WALKWAYS AND BUILDINGS. STAKES ARE TO BE EQUALLY SPACED ON THE OUTSIDE OF THE TREE BALL, UTILIZING HOSE AND WIRE THE TREE IS BRACED TO THE STAKES. 12. BECAUSE OF THE HIGH LEVELS OF NUTRIENTS IN STORMWATER RUNOFF TO BE TREATED, BIORETENTION BASIN PLANTS SHOULD NOT REQUIRE CHEMICAL FERTILIZATION. ADDITIONAL PLANTING NOTES: SEE PLANT SCHEDULE FOR SPECIFIC PLANT SPECIES 1. THE CONTRACTOR SHALL BE RESPONSIBLE FOR LAYOUT OF ALL WORK COVERED UNDER THESE PLANS. 2. CONTRACTOR SHALL REFER TO THE STANDARDIZED LANDSCAPE SPECIFICATIONS FOR THE STATE OF VIRGINIA FOR ADD ONTE INFORMATION. THE CONTRACTORS SHALL ABIDE BY ITS CONTENTS HOWEVER ANY NOTES OR SPECIFICATION ON PLANS SHALL SUPERSEDE THOSE IN THE SPECIFICATIONS MANUAL (COPIES ARE AVAILABLE BLE FOR A A FEE FROM THE VIRGINIA CHAPTER OF THE AMERICAN SOCIETY LANDSCAPE ARCHITECTS, VIRGINIA NURSERYMEN'S ASSOCIATION, . I NC. AND THE VIRGINIA SOCIET OF LANDSCAPE DESIGNERS.) 3. ALL PLANT MATERIAL SHALL MEET TH EMINIMUM SPECIFICATIONS AND STANDARDS DESCRIBED IN THE CURRENT ISSUE OF THE AMERICAN STANDARD FOR NURSEY STOCK'. PUBLISHED BY THE AMERICAN ASSOCAIATION OF NURSERYMEN, 1250 1 STREET, N.W., SUITE 500. WASHINGTON, D.C. 20005. 4. THE CONTRACTOR SHALL VERIFY ALL DIMENSIONS IN THE FIELD AND NOTIFY THE DESIGNER OF ANY VARIANCE FROM THE PLAN. 5. THE LANDSCAPE CONTRACTOR IS RESPONSIBLE FOR VERIFYING THE LOCATION OF ANY ONSTIE UTILITIES (CALL MISS UTILITY 1- 800 -552 -7001 BEFORE ANY EXCAVATION.) 6. REFER TO FINAL SITE PLANS (UNDER SEPARATE COVER) FOR ANY DETAILED SITE INFORMATION. Z. ALL WORK SHALL BE COORDINATED WITH OTHER TRADES. B. PLANTS WILL BE PREPARED FOR SHIPMENT IN A MANNER THAT WILL NOT CAUSE DAMAGE TO THE DARK, BUDS, BRANCHES, STEMS, OR OVERALL SHAPE OF THE STOCK. CONTAINER GROWN PLANTS WILL HE TRANSPORTED IN THE CONTAINERS IN WHICH THEY HAVE BEEN GROWN. 9. ALL PLANT MATERIAL, UNLESS OTHERWISE SPECIFIED, SHALL BE UNIFORMLY BRNACHED AND HAVE A VIGOROUS ROOT SYSTEM. PLANT MATERIAL SHALL BE HEALTHY, VIGOROUS, AND FREE FROM DEFECTS, DECAY, DISEASES, INSECT PEST EGGS, AND ALL FORMS OF INFESTATION. ALL PLANT MATERIAL SHALL BE FRESH, FREE FROM TRANSPLANT SHOCK OR VISIBLE WILT. PLANTS DEEM UNHEALTHY WILL BE REJECTED. 10. ALL CONTAINER STOCK SHALL HAVE BEEN PRO ATED IN A CONTAINER LONG ENOUGH FOR THE ROOT SYSTEM TO O HAVE DEVELOPED Y DEVELOPED TO HOLD ITS SOIL CONTAINER STOCK WITH POORLY DEVELOPED ROOT SYSTEMS WILL NOT BE ACCEPTED. 11. PLANTS NOT INSTALLED ON THE DAY OF ARRIVAL ON SITE SHALL BE STORED AND PROTECTED BY THE CONTRACTOR. OUTSIDE STORAGE AREAS WILL BE SHADED AND PROTECTED FROM THE WIND AND SUN. PLANTS STORED ON SITE SHALL BE PROTECTED FROM ANY DRYING AT ALL TIMES BY COVERING THE BALL OR ROOTS WITH MOIST SAWDUST, WE BURLAP, WOOD CHIPS, SHREDDED BARK, PEAT MOSS, OR OTHER SIMILAR MULCHING MATERIAL. 12. THE GAINER RESERVES THE RIGHT TO SUBSTITUTE PLANT MATERIAL TYPE, SIZE AND /OR QUANTITY. ANY SUBSTITUTIONS MUST BE APPROVED BY THE DESIGNER (WEG). 13. MINOR FIELD ADJUSTMENTS MAY BE NECESSARY DUE TO SITE CONDITIONS (EX: ROOT BALL AND UTILITY CONFLICT) MAJOR ADJUSTMENTS MUST BE APPROVED BY DESIGNER. 14. NO PLANTING SHALL OCCUR WHEN THE SOIL IS FROZEN. 15. PLANT MATERIAL SHALL BE PLANTED IN EXISTING SOIL WITH EACH PLANTING. PIT EXCAVATED TO A SIZE SUFFICIENT TO CONTAIN THE ENTIRE ROOT BALL OR ROOT MASS. WITHOUT CRAMPING ROOT STOCK. 16. THE CONTRACTOR SHALL MAINTAIN A ONE (1) CALENDAR YEAR 80% CARE AND REPLACEMENT WARRANTY FOR ALL PLANTINGS. THE PERIOD OF CARE AND REPLACEMENT SHALL BEGIN AFTER INSPECTION AND APPROVAL OF THE COMPLETE INSTALLATION OF ALL PLANTS AND CONTINUE FOR ONE CALENDAR YEAR. 1J. THE CONTRACTOR IS RESPONSIBLE FOR REMOVAL AND DISPOSAL OF TRASH AND DEBRIS WITHIN THE LIMITS OF THE PLANTING ON A DAILY BASIS. 18. THE CONTRACTOR WILL NOT BE RESPONSIBLE FOR PLANT MATERIAL THAT HAS BEEN DAMAGED BY VANDAUSM, FIRE, OR OTHER ACTIVITIES BEYOND THE CONTRACTOR'S CONTROL. 19. THE CONTRACTOR SHALL CONTACT THE WATER RESOURCES INSPECTOR 24 HOURS PRIOR TO BACKFILLING THE B109LTERS AND REQUEST AN INSPECTION AND APPROVAL OF THE UNDERDRAIN INSTALLATION AND THE SOIL MIX. 20, THE BIOFILTER PUNTING AREAS SHALL BE COVERED WITH HEAVY STRAW MULCH TO A DEPTH OF 4' IMMEDIATELY AFTER PLANTING. STORMWATER NARRATIVE THE SITE WAS PREVIOUSLY FORESTED AND HAS BEEN CLEARED AND GRADED TO PROVIDE AN AREA FOR THE CONSTRUCTION OF A GRAVEL SURFACE, THE SITE WAS ANALYZED AS BEING FOREST IN THE PRE - DEVELOPED CONDITION FOR THE STORMWATER CALCULATIONS. STORMWATER QUALITY AND ATTENUATION OF THE POST - DEVELOPED RUNOFF WILL BE PROVIDED BY THE BIORETENTION FAQUITY PROPOSED AS PART OF THESE PLANS. STORMWATER QUALITY CALCULATIONS ARE SHOWN ON THIS DRAWING. ROUTING CALCULATIONS ARE PROVIDED ON DRAWING SHEET C -10 BIORETENTION FACILITY CONSTRUCTION SPECIFICATIONS BIORETENTION FACILITYS SHOULD BE CONSTRUCTED AFTER ALL SITEWORK IS COMPLETE AND STABILIZATION MEASURES HAVE BEEN IMPLEMENTED. BIORIE ENTION FACILITYS MUST BE PROTECTED FROM ALL SEDIMENT LOADS TO PREVENT MALFUNCTION. ALL BIORETENTION FACILITY AREAS WILL REMAIN "OFF -LINE. FROM STORMWATER INFLOW UNTIL THEIR RESPECTIVE DRAINAGE AREAS ARE FREE FROM LOOSE SEDIMENTS WHICH COULD WASH INTO THE FACILITY. IN ADDITION, ALL CONSTRUCTION ACTIVITIES IN THESE AREAS MUST BE MINIMIZED TO REDUCE COMPACTION OF IN -STU SOILS, WHICH SHALL BE CORDONED OFF TO PREVENT ACCIDENTAL COMPACTION BY EQUIPMENT DURING THE REMAINDER OF THE CONSTRUCTION PHASE IN THAT AREA. BIORETENTION FACILITY SEQUENCE OF CONSTRUCTION 1. REMOVE ALL ACCUMULATED SEDIMENT AND EXCAVATE BIORETENTION FACILITY AREA TO PROPOSED DEPTH. USE RELATIVELY D TRACKED EQUIPMENT AVOID COMPACTION OF THE BASIN FLOOR. AFTER FINAL GRADING IS COMPLETED, LETED, DEEPLY TILL THE BASIN FLOOR WITH ROTARY TILLERS OR DISC HARROWS TO 2 INSTALL A 6 INCH LIFT UNDERD RAIN GRAVEL LIG (V DOT N0. 5] ) AND HTLY COMPACT WITH LANDSCAPING ROLLER. INSTALL UNDERDRAIN PIPING, CLEANOUTI AND APPURTENANCES IN ACCORDANCE WITH THE PIPE SIGNE MANUFACTURER SPECIFICATIONS. INSTALL REMAINING UNDERDRAIN GRAVEL INSTALL PEA GRAVEL CHOKER STONE LAYER. FILL RAIN GARDEN AREA WITH STATE APPROVED MIX AS SHOWN IN THE PLANS AND DETAILED IN THIS SPECIFICATIONS. 3. INSTALL VEGETATION AND GROUND COVER SPECIFIED IN THE PLANTING PLAN FOR RAIN GARDEN AREA. INSTALL MULCH LAYER CALLED FOR IN HE DESIGN. 4. PLACE GRAVEL DIAPHRAGM T M AT THE RAIN GARDEN INLETS AND WEIRS AS SPECIFIED ON THE PLANS AND DETAILS. 5. UPON AUTHORIZATION FROM DESIGNATED INSPECTOR, REMOVE ALL SEDIMENT CONTROLS AND STABILIZE ALL DISTURBED AREAS. BIORETENTION FACILITY UNDERDRAIN SPECIFICATIONS UNDERDRAIN MATERIAL TYPES • UNDERDRAIN SYSTEMS SHALL BE COMPOSED OF 4 -INCH PVC PIPE (SCHEDULE 40) OR APPROVED EQUAL. ND RO XN CONNECTIONS • PIPE SECTIONS SHALL BE COUPLED USING SUITABLE CONNECTION SOCKET- WELDED JOINTS. FIELD CONNECTIONS TO STORMDRAIN STRUCTURES AND PIPES SH.4U. BE SEALED WITH POLYMER GROUT MATERIAL THAT IS CAPABLE OF ADHERING TO SURFACES. UNDERORAIN PIPE SHALL BE CAPPED (AT STRUCTURE) UNTIL COMPLETION OF SITE. • UNDERDRAINS CONNECTED DIRECTLY TO A STORM DRAINAGE STRUCTURE SHALL BE NON - PERFORATED FOR A DISTANCE OF AT LEAST 5 FEET FROM THE STRUCTURE INTERFACE TO AVOID POSSIBLE PIPING PROBLEMS. UNDERDRAIN PERFORATIONS • UNDERDRAIN PERFORATIONS SHALL BE XT PERFORATIONS, S" CENTER TO CENTER, ALONG TWO OR THREE EQUALLY SPACED LONGITUDINAL ROWS. PERFORATIONS SHALL BE PLACED CLOSEST TO THE INVERT OF THE PIPE TO ACHIEVE MAXIMUM POTENTIAL FOR DRAINING THE FACILITY. UNDERDRAIN INSPECTION • THE CONTRACTOR SHALL CONTACT THE COUNTY WATER RESOURCES INSPECTOR 24 -HOURS PRIOR TO BACKFILLING THE RAIN GARDEN AND REQUEST AN INSPECTION AND APPROVAL OF THE UNDERDRAIN INSTALLATION AND SOIL MIX. e +SD 1U +00 10+50 11 +00 11 +50 12 +00 PROFILE VIEW: IF THIS DRAWING IS A REDUCTION GRAPHIC SCALE MUST BE USED VERT. 1" = 10' 10' 0 10' 50' 0 50' HORZ: 1" = 50' HE a.IT4 9 Zz Hsi . TOP OF EMBANKMENT ELE)i 998.00' 2' WIDE CLASS Al - \ RIP RAP WEIR BOTTOM OF RIP -RAP WEIR ELEV.= 995.00' BIORETENTION FLOOR ELEV. = 990.83' ".d ..PlI i c !l M. 2.1 •,T3. �°j I 1 `vn„C 1 2 -- on-FILTER FABRIC RIPRAPOUTTI L(. AA- DETAI, NOT TO SCALE BIORETENTION SOIL MIXTURE IN ACCORDANCE TO VIRGINIA BMP CLEARINGHOUSE SPECIFICATIONS, LATEST EDITION OBSERVATION WELL TOP OF MULCH ELEV. 994.00' UNDERDRAIN CLEANOUT 1� it 1 2" MULCH 6" TOP ELEV. = 995.00' �1 CLASS Al RIP -RAP TOP OF MULCH a 1' 1:1 � _ 1:1 94.00' RIP RAP FOREBAY WEIR DETAIL NOT TO SCALE NGI 1. BIORETENTON FACIUTY FACIUMES SHALL BE CONSTRUCTED AND MAINTAINED IN ACCORDANCE WITH THE CURRENT PUBUCATION OF THE VIRGINIA DEQ STORMWATER DESIGN SPECIFICATION NO. 9. 2. BIORETENTION FACILITY FACILITIES SHALL NOT BE CONSTRUCTED UNTIL AREAS DRAINING TO THEM ARE DEEMED STABILIZED BY THE ALSEMARLE COUNTY EROSION AND SEDIMENT CONTROL INSPECTOR. 3. BOTTOM OF WEIR SHALL BE A MINIMUM OF 8" ABOVE TOP OF FILTER STONES MULCH. VDOT NO. 57 PROVIDE MINIMUM 4° PERFORATED AGGREGATE 6" SUMP BELOW UNDERDRAIN. BOTTOM ELEV. UNDERDRAIN DRAIN 990.58' TO DAYLIGHT TYPICAL LEVELI BIORETEN'IION FACILITY SHIFT ION NOT TO SCALE ry MWRof grass filter tips and b 1 t curt co At least 41 es agar spot weeding an remove, and much al Twoe during growing wai reonforachrent planting to maintain ended the vegetatron density • Remove cwe hots using r e entlm control methods As needed Stabilize the contributing tl2lnege area to prevent emslen Suppl mend and cleanup - I• . Lain a3'mcM1 layer Annually Annually • Prun Rees and sM1mbs Prune andghrubs . Remove sedimenim rc4reatment cal p Is and meow pmnLS - once everyzm ayears . Re lase 1ne nimaM1 la er v _ ENGINRRRS SURVEYORS ISM Pit A.NINDRS AssoCiATES DW DRAWN Jazz El MANAGEMENT NARRATIVE, DETAILS, AND CALCUlAT10NSl C -9 ®_ 215027.03 15027OW- SWM3.dw9 g 9 Of 11 Hytlrograph Report Do v m,n HIS mA ...... <.w .... e. m... ee PON I. Peak Palo SINS, ov, idreu T, leaned j 11 HILLS cof .ITN le al tin lictial Nick 150 In Hitachi, - Top. 1! "In <IMakI S4 pop, rompe, Lately DID Pamet do 11 on ° 11 rz° x° "1 7m 11, .s° °l law law i^ nMNV: me o:9 HydrograpM1 Report o N N, Mar H o.m ......a. .. Hit POP No . at u . v. I m• .�wy,m n. »:..�..,.1 ....,,.,y:, Hv,tl..,,XNI m.n Had, No HwNv Pay I Paid storm deal - Hard it peak — 774 in TIP 1111,1111 - 1 into H ae p tol nl `N SHIP Mae Ell in Oil oil day Malay, - 1 SON Say - 0261 SE ^`n we �v,"a:, ..... MPw wan Sao, - Dole d angin I IS 2411 I'D 11 11 71 Ill 96D 10M 120D 1620 1140 ad 'Her in n plan Slope D 0 N, ye To ll St. "I Milken, - 24,11 Side, floor - pan I re 11 Frood Storm ploold, 24 Ili Slope felt, - 484 211 -or 1 P ^ ,M "1 M° ON „ nev.m� Hytlrograph Report Drop. No 2 Pal ni Dual type - SUN deal Near dooll - 0 L®rd if, HIP wume Ban - To BMP in all 171 o N N, Mar H o.m ......a. .. Hit POP No . at u . v. I m• . , > . 2 70 e .o., BLIP wantay m.n Had, No HwNv storm deal - Hard it peak — 774 in TIP 1111,1111 - 1 into EN a tol nl `N SHIP Mae Ell in Oil oil day Malay, - 1 SON Say - 0261 SE 121 ° 9 Ile MPw m. I IS 2411 I'D 11 11 71 Ill 96D 10M 120D 1620 1140 ad 'Her in n Hytlrograph Report .,. Ne z III ..,� ON Hva , aNS W en: . F..I . , length Piet loWAR Stan, Makkay - Diane Par to peak - 726 in Been Scip, oi% Hydraulic He li - feel <o° SOL, undo, - 24 [it, Ship, letter - IS, 0 an fill NO 2 it lor -2 t I °, IF a I ae 211 "1 411 e° ,d a into 1200 1320 W into HydrograpM1 Repart o N N, Mar H o.m ......a. .. Hit POP No . at u . v. I m• . , > . et a . No. e .o., BLIP wantay m.n Had, No HwNv storm deal - Hard it peak — 774 in TIP 1111,1111 - 1 into EN a tol nl `N SHIP Mae Ell - 095 51 R Ful dal P INS, day Malay, - 1 SON Say all Due 1 11 Hytlrograph Report o N N, Mar H Al I 1, •an.. ,n..vo w. v..r I, In a a _,mw Httl e .o., BLIP wantay m.n Had, No HwNv storm deal - Hard THIN, wrok - 73U ron ee ,.° 1120 1410 o tol nl `N SHIP Mae Ell - 095 51 R Ful dal P INS, day Malay, - 1 SON Say INFIF Mill I all .,m III �m rz.^^ do L—DA (0 M. ni t ll 84 z¢;to BATE NO. SHEET REVISION BY BATE ttlNAL E��t HydrograpM1 Report o N N, Mar H Had o HNI 0 , a N, .un..xm..v....vuu e .o., n....m u.: m.n Had, No ° .ro e,° .d "1 me 121 M° m° ee ,.° 1120 1410 1, eyaig ° - SCS RM,f Skyorchl - 0261 SE L—DA (0 M. ni t ll 84 z¢;to BATE NO. SHEET REVISION BY BATE ttlNAL E��t HydrograpM1 Report o N N, Mar H Had o HNI 0 , a N, .un..xm..v....vuu e .o., n....m u.: m.n Had, No pro to Palo eyaig ° - SCS RM,f Skyorchl - 0261 SE MPw m. plan Slope D 0 N, ye To ll Nor Type of a pd Storm ploold, 24 Ili Slope felt, - 484 Play SO P.Nd I Oil wou NO 1 ML 11 ° we m .° n a . o m e° °s. °m e°.° 1110 15M —INS1.1 Hill Hytlrograph Report o N N, Mar H Had o Pay I. Pond x illfail - Did on m� ww Nm,..l1 e ^sn In"mool HIS Do 11, DOLI Type 11 scrip. mike. .e.+ 2 an 1 ad I in 1 11 211 11 "1 El 1, 11 11 Iran 120D 1321 1140 up, Hytlrograph Repod .H.-Nu mx....me es..r.,.e.n.....I «...111.,1. H PerwIlOCPE - MEN Foul To Method See poll of W whine - 2 930 NO franc IN) Sol, HINDEPor 24 are i plaor 4Q4 �T rv.. =rzw. o• DO all IM 010 "a I In ° ° an s° s. He ov rm 1 0 °^e low 1200 two Ya Hill fill 11 a u° °n Hytlrograph Report peak No, R NNaNko m w o.mh..m .. k.n, Hv Poll T, POP it a *v r Mw ^. To radial Door Tal Sarni DID SOS 70 LIMP lil W I- at air cap JH, D, L _ .N I In 7 SO 211 "a ° 21 ..° 11 °e ,° 19 NO 00 10M Ol led land ,m Pond Report fluid 'If, ..a Eacau.n1l Noel ner army ON Nor an nere", 1Z 17 1 w do al 11I Ill IN] al IS I "Oull In oil art 1. Wl like .a eurpi pay IN - L Dun lop Ell I In DESIGNED BY PR4 DUN i ENGINEERS Oft4WN BY im SUINFY02S To PLANNERS TI➢ DIHR B DB Ill link I 111 NON ASSOCIATES WWA NUMBER: FILE Iye , i. Ir I r 215027.03 502; Hytlrograph Report , I col :m .vv -v 'to ..n o IN.'I. .n,,H 11 ell Httl =. LOOP wand; InED, pan No 2 Fiat To Step Fall III - S5 07 R SLIP Routine rv.. 1 81 1 10 01, 050 0 11 111 all u^ m° 0 111 ° HytlrogrzpM1 Report N vtt..r .a nx v-v vvs .avn.. -...v .w nunane Hy Ho. ] SHIP Reaching wWd o vol m e..roa.N ]KIP amp Nompa 5^^ an all 201 211 Son L 1 11 'IQ IN SO we 12, 10 Oil Lee line Sol lady pre — _— L STORMWATER MANAGEMENT CALCULATIONS DRAWING NUMBER: C -10 SHEET NUMBER: g 10 of 11 2 an 1 ad I in 1 11 211 11 "1 El 1, 11 11 Iran 120D 1321 1140 up, Hytlrograph Repod .H.-Nu mx....me es..r.,.e.n.....I «...111.,1. H PerwIlOCPE - MEN Foul To Method See poll of W whine - 2 930 NO franc IN) Sol, HINDEPor 24 are i plaor 4Q4 �T rv.. =rzw. o• DO all IM 010 "a I In ° ° an s° s. He ov rm 1 0 °^e low 1200 two Ya Hill fill 11 a u° °n Hytlrograph Report peak No, R NNaNko m w o.mh..m .. k.n, Hv Poll T, POP it a *v r Mw ^. To radial Door Tal Sarni DID SOS 70 LIMP lil W I- at air cap JH, D, L _ .N I In 7 SO 211 "a ° 21 ..° 11 °e ,° 19 NO 00 10M Ol led land ,m Pond Report fluid 'If, ..a Eacau.n1l Noel ner army ON Nor an nere", 1Z 17 1 w do al 11I Ill IN] al IS I "Oull In oil art 1. Wl like .a eurpi pay IN - L Dun lop Ell I In DESIGNED BY PR4 DUN i ENGINEERS Oft4WN BY im SUINFY02S To PLANNERS TI➢ DIHR B DB Ill link I 111 NON ASSOCIATES WWA NUMBER: FILE Iye , i. Ir I r 215027.03 502; Hytlrograph Report , I col :m .vv -v 'to ..n o IN.'I. .n,,H 11 ell Httl =. LOOP wand; InED, pan No 2 Fiat To Step Fall III - S5 07 R SLIP Routine rv.. 1 81 1 10 01, 050 0 11 111 all u^ m° 0 111 ° HytlrogrzpM1 Report N vtt..r .a nx v-v vvs .avn.. -...v .w nunane Hy Ho. ] SHIP Reaching wWd o vol m e..roa.N ]KIP amp Nompa 5^^ an all 201 211 Son L 1 11 'IQ IN SO we 12, 10 Oil Lee line Sol lady pre — _— L STORMWATER MANAGEMENT CALCULATIONS DRAWING NUMBER: C -10 SHEET NUMBER: g 10 of 11 DESIGNED BY PR4 DUN i ENGINEERS Oft4WN BY im SUINFY02S To PLANNERS TI➢ DIHR B DB Ill link I 111 NON ASSOCIATES WWA NUMBER: FILE Iye , i. Ir I r 215027.03 502; Hytlrograph Report , I col :m .vv -v 'to ..n o IN.'I. .n,,H 11 ell Httl =. LOOP wand; InED, pan No 2 Fiat To Step Fall III - S5 07 R SLIP Routine rv.. 1 81 1 10 01, 050 0 11 111 all u^ m° 0 111 ° HytlrogrzpM1 Report N vtt..r .a nx v-v vvs .avn.. -...v .w nunane Hy Ho. ] SHIP Reaching wWd o vol m e..roa.N ]KIP amp Nompa 5^^ an all 201 211 Son L 1 11 'IQ IN SO we 12, 10 Oil Lee line Sol lady pre — _— L STORMWATER MANAGEMENT CALCULATIONS DRAWING NUMBER: C -10 SHEET NUMBER: g 10 of 11 SLIP Routine rv.. 1 81 1 10 01, 050 0 11 111 all u^ m° 0 111 ° HytlrogrzpM1 Report N vtt..r .a nx v-v vvs .avn.. -...v .w nunane Hy Ho. ] SHIP Reaching wWd o vol m e..roa.N ]KIP amp Nompa 5^^ an all 201 211 Son L 1 11 'IQ IN SO we 12, 10 Oil Lee line Sol lady pre — _— L STORMWATER MANAGEMENT CALCULATIONS DRAWING NUMBER: C -10 SHEET NUMBER: g 10 of 11 STORMWATER MANAGEMENT CALCULATIONS DRAWING NUMBER: C -10 SHEET NUMBER: g 10 of 11 µ m ,up P w a am yiy 9/24/15 w µ m ,up P w a yiy 9/24/15 w ®.¢. m. ..m.m.mF, o,b,......,...,� e - o.....s. Am, A . µ m ,up P w a yiy 9/24/15 w µ m ,up P w a yiy 9/24/15 11 W 11