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HomeMy WebLinkAboutWPO201300035 Plan - Approved 2013-05-13Revisions i> DOMINION SITE PREPARATION PERFORMANCE SPECIFICATIONS IT IS THE INTENT OF THESE SPECIFICATIONS TO HAVE A COMPLETELY PREPARED SITE FOR THE CONSTRUCTION OF AN ELECTRICAL FACILITY AT THE COMPLETION i0F THE "WORK "AS INDICATED ON THE DRAWINGS, SPECIFICATIONS, OR OTHER DOCUMENTS PROVIDED. THE REGULATIONS OF ALL LOCAL,STATE,OR FEDERAL GOVERNMENTAL BODIES HAVING JURISDICTION OVER THE WORKING AREAS SHALL BE OBSERVED AT ALL TIMES. ANY SPECIFICATIONS OR INSTRUCTIONS APPEARING ON THE DRAWINGS SHALL HAVE PRECEDENCE OVER THE WRITTEN SPECIFICATIONS WHICH APPEAR HEREIN. IN THE EVENT THAT A DISCREPANCY OR OMISSION HAS OCCURRED, DOMINION SHALL BE CONSULTED FOR RESOLUTIONS. ALL "WORK' SHALL BE PERFORMED IN A MANNER CONSISTENT WITH THE BEST PRO CTICES OF THE TRADES INVOLVED. ALL 'WORK' SHALL BE PERFORMED WITHIN THE LIMITS OF THE PROPERTY / RIGH�S -OF -WAY SHOWN ON THE DRAWINGS. THE CONTRACTOR WILL RECOGNIZE AND ABIDE BY ALL TERMS AND CONDITIONS OF PERMITS, EASEMENTS, AND AGREEMENTS RELATING TO THE PROJECT. LIMITS FOR CLEARING AND /OR GRUBBING SHALL BE AS DEFINED ON THE DRAWINGS. CLEARING SHALL CONSIST OF REMOVAL AND DISPOSAL OF BRUSH, DOWNED TIMBER, LOGS, STANDING TREES AND SNAGS, OTHER GROWTH AND ANY ITEMS THAT WOULD INTERFERE WITH CONSTRUCTION OPERATIONS. GRUBBING SHALL CONSIST OF REMOVAL AND DISPOSAL OF STUMPS, BURIED LOGS, ROOTS GREATER THAN %z' DIAMETER, AND ANY OTHER ORGANIC MATERIAL BELOW THE GROUND SURFACE. ALL CLEARED AREAS WILL BE GRUBBED UNLESS OTHERWISE NOTED. DISPOSAL OF CLEARED /GRUBBED MATERIAL BY BURNING SHALL ONLY BE USED WHEN WRITTEN APPROVAL IS OBTAINED FROM LOCAL AUTHORITIES AND DOMINION. OTHERWISE, DISPOSAL SHALL BE OUTSIDE THE LIMITS OF DOMINION CONTROLLED LAND. EXCAVATION : EXCAVATION SHALL BE ACCOMPLISHED BY CUTTING ACCURATELY TO THE CROSS SECTIONS, GRADES, AND ELEVATIONS SHOWN ON THE DRAWINGS. SOFT, UNSTABLE, OR OTHERWISE UNSATISFACTORY MATERIALS ENCOUNTERED AT THE REQUIRED GRADES SHALL BE REMOVED AS DIRECTED AND REPLACED WITH APPROVED, PROPERLY COMPACTED MATERIAL. COMMON EXCAVATION SHALL INCLUDE ALL MATERIAL WHICH CAN BE REMOVED BY COMMON EARTH EXCAVATION EQUIPMENT, OTHER THAN SOLID ROCK OR BOULDERS AND DETACHED PIECES OF ROCK, EACH EXCEEDING 2 CUBIC YARDS IN VOLUME. ROCK EXCAVATION SHALL BE MATERIAL WHICH REQUIRES THE USE OF PNEUMATIC HAMMERS AND /OR EXPLOSIVES FOR REMOVAL. SITE PREPARATION : IF EARTHWORK OPERATIONS ARE PERFORMED DURING WET SEASONS, CONTRACTOR SHALL AVOID OPERATING EQUIPMENT ON SATURATED SOILS. ANY WET SUBGRADE AREAS WHICH RECEIVE COMPACTED FILL SHALL BE DRAINED AND ALLOWED TO DRY. THE EXPOSED SUBGRADES OF THE BUILDING PAD AND ROADBEDS SHALL BE PROOFROLLED TO DETECT UNSUITABLE SOIL CONDITIONS. PROOFROLLING SHALL BE DONE AFTER A SUITABLE PERIOD OF DRY WEATHER TO AVOID DEGRADING THE SUBGRADE. PROOFROLLING SHALL BE PERFORMED WITH A HEAVILY LOADED DUMP TRUCK OR WITH SIMILAR APPROVED CONSTRUCTION EQUIPMENT. SOFT MATERIALS ENCOUNTERED SHALL BE COMPLETELY EXCAVATED AND REPLACED WITH APPROVED FILL MATERIALS. BENCHING : BENCHING SHALL CONSIST OF A SERIES OF HORIZONTAL CUTS BEGINNING AT THE TOE OF THE EXISTING SLOPED SURFACE AND CONTINUING AT EACH VERTICAL INTERSECTION OF THE PREVIOUS CUT. SATISFACTORY MATERIAL REMOVED DURING THIS OPERATION SHALL BE RECOMPACTED ALONG WITH THE NEW EMBANKMENT MATERIAL AS GENERALLY SPECIFIED, EXCEPT MOISTURE CONTENT SHALL BE MAINTAINED WITHIN 10 PERCENT OF THE OPTIMUM. BENCHING SHALL BE REQUIRED FOR ALL FILL EMBANKMENTS PLACED ON EXISTING SLOPES AS FOLLOWS : SLOPES STEEPER THAN 4:1 BUT NOT STEEPER THAN 1 %Z:I,THE BENCH SHALL BE AT LEAST 6 FT. IN WIDTH. EMBANKMENT : EMBANKMENT WORK SHALL CONSIST OF THE PLACEMENT AND COMPACTION OF FILL MATERIAL ABOVE THE NATURAL GROUND OR OTHER SURFACE IN CONFORMANCE WITH THE DRAWINGS, I4PSQIl. x 10 APPROVED SOILS USED IN COMPACTED FILLS SHALL BE FREE OF DEBRIS AND FIBROUS r r z ORGANIC MATERIAL. FROZEN MATERIAL WILL NOT BE PERMITTED IN THE FILL. ALL TOPSOIL AND SURFACE SOILS CONTAINING ORGANIC MATERIAL SHALL BE REMOVED SATISFACTORY MATERIALS SHALL COMPRISE THOSE CLASSIFIED IN ACCORDANCE WITH THE FROM THE GRUBBED AREA. TOPSOIL SHALL BE STOCKPILED FOR: FUTURE, USE IN UNIFIED SOIL SYSTEM, ASTM D -2487 AS GW, GP, SW, SP, SM, AND SC. THESE APPROVED LOCATIONS UNLESS OTHERWISE SHOWN ON THE DRAWINGS. MATERIALS SHALL POSSESS A MAXIMUM DRY DENSITY OF 100 u /CU.FT.OR GREATER 4 REFERENCED TO ASTM D -698 STANDARD PROCTOR. SOILS SHALL HAVE A LIQUID LIMIT TOPSOIL SHALL NOT BE USED AS, OR MIXED WITH, FILL MATERIAL IN TFHE LESS THAN 40 PERCENT AND A PLASTICITY INDEX LESS THAN 15. CONSTRUCTION OF EARTH EMBANKMENTS UNLESS OTHERWISE' SHOWN ON 'THE DRAWINGS. OF U OTHER MATERIALS, WHEN APPROVED BY ENGINEERING, MAY BE PERMITTED IN FILL TOPSOIL MATERIAL USED AS A SURFACE DRESSING SHALL BE REASONABLY FREE OF ,AREAS. � LANDSCAPE PLAN SHALL BE DISPOSED OFFSITE. UNSATISFACTORY SOILS INCLUDE THOSE CLASSIFIED AS PT,OH OR OL,CH,MH,CL 10 AND ML,AS REFERENCED TO ASTM. 0 -2487. COMPACTION ; COMPACTION EQUIPMENT SHALL CONSIST OF VIBRATORY OR TAMPING ROLLERS, as BEHIND VIBRATORY ROLLERS, VIBRATORY PLATE OR OTHER APPROVED EQUIPMENT WELL SUITED TO THE SOIL BEING COMPACTED. V APPROVED FILL MATERIAL SHALL BE PLACED IN UNIFORM HORIZONTAL LIFTS OF W J W N APPROXIMATELY 8 'DEPTH (LOOSE MEASUREMENT), EXCEPT FOR ROAD MATERIALS ABOVE SUBGRADE ELEVATION AND THE UPPER 12- OF BUILDING PADS WHICH REQUIRE 6' LIFTS. m x GENERALLY, FILLS SHALL BE COMPACTED TO AT LEAST 95 PERCENT OF THE STANDARD PROCTOR MAXIMUM DRY DENSITY (ASTM D -698 ),WITH MOISTURE CONTENT RANGING 2 a L) BETWEEN LESS THAN 3 PERCENT UP TO THE OPTIMUM AS DETERMINED BY THE PROCTOR :> a o c°.) DENSITY TEST. THE UPPER 12' OF ROADBEDS AND CONTROL ENCLOSURE BUILDING PADS -� L) f EACH SUCCESSIVE LIFT WILL BE PLACED ON FIRM APPROVED SUBGRADE OR COMPACTED r � FILL. WHERE PREVIOUS LIFTS ARE FOUND TO BE UNACCEPTABLE, THE AREA WILL BE SCARIFIED, AERATED OR MOISTENED, RECOMPACTED OR REMOVED, AND REPLACED AS REQUIRED. DRAINAGE THE FILL SURFACE SHALL BE ADEQUATELY MAINTAINED DURING CONSTRUCTION. THE SURFACE SHALL BE SLOPED TO ACHIEVE SUFFICIENT DRAINAGE, AND TO PREVENT WATER 0 U W L0 w< as M U W00w W C HQX Q U crow �. m az z� ,a 1 0 M °° CL C w O x U J L u 3 0 3 z ° Revisions i> DOMINION SITE PREPARATION PERFORMANCE SPECIFICATIONS IT IS THE INTENT OF THESE SPECIFICATIONS TO HAVE A COMPLETELY PREPARED SITE FOR THE CONSTRUCTION OF AN ELECTRICAL FACILITY AT THE COMPLETION i0F THE "WORK "AS INDICATED ON THE DRAWINGS, SPECIFICATIONS, OR OTHER DOCUMENTS PROVIDED. THE REGULATIONS OF ALL LOCAL,STATE,OR FEDERAL GOVERNMENTAL BODIES HAVING JURISDICTION OVER THE WORKING AREAS SHALL BE OBSERVED AT ALL TIMES. ANY SPECIFICATIONS OR INSTRUCTIONS APPEARING ON THE DRAWINGS SHALL HAVE PRECEDENCE OVER THE WRITTEN SPECIFICATIONS WHICH APPEAR HEREIN. IN THE EVENT THAT A DISCREPANCY OR OMISSION HAS OCCURRED, DOMINION SHALL BE CONSULTED FOR RESOLUTIONS. ALL "WORK' SHALL BE PERFORMED IN A MANNER CONSISTENT WITH THE BEST PRO CTICES OF THE TRADES INVOLVED. ALL 'WORK' SHALL BE PERFORMED WITHIN THE LIMITS OF THE PROPERTY / RIGH�S -OF -WAY SHOWN ON THE DRAWINGS. THE CONTRACTOR WILL RECOGNIZE AND ABIDE BY ALL TERMS AND CONDITIONS OF PERMITS, EASEMENTS, AND AGREEMENTS RELATING TO THE PROJECT. LIMITS FOR CLEARING AND /OR GRUBBING SHALL BE AS DEFINED ON THE DRAWINGS. CLEARING SHALL CONSIST OF REMOVAL AND DISPOSAL OF BRUSH, DOWNED TIMBER, LOGS, STANDING TREES AND SNAGS, OTHER GROWTH AND ANY ITEMS THAT WOULD INTERFERE WITH CONSTRUCTION OPERATIONS. GRUBBING SHALL CONSIST OF REMOVAL AND DISPOSAL OF STUMPS, BURIED LOGS, ROOTS GREATER THAN %z' DIAMETER, AND ANY OTHER ORGANIC MATERIAL BELOW THE GROUND SURFACE. ALL CLEARED AREAS WILL BE GRUBBED UNLESS OTHERWISE NOTED. DISPOSAL OF CLEARED /GRUBBED MATERIAL BY BURNING SHALL ONLY BE USED WHEN WRITTEN APPROVAL IS OBTAINED FROM LOCAL AUTHORITIES AND DOMINION. OTHERWISE, DISPOSAL SHALL BE OUTSIDE THE LIMITS OF DOMINION CONTROLLED LAND. EXCAVATION : EXCAVATION SHALL BE ACCOMPLISHED BY CUTTING ACCURATELY TO THE CROSS SECTIONS, GRADES, AND ELEVATIONS SHOWN ON THE DRAWINGS. SOFT, UNSTABLE, OR OTHERWISE UNSATISFACTORY MATERIALS ENCOUNTERED AT THE REQUIRED GRADES SHALL BE REMOVED AS DIRECTED AND REPLACED WITH APPROVED, PROPERLY COMPACTED MATERIAL. COMMON EXCAVATION SHALL INCLUDE ALL MATERIAL WHICH CAN BE REMOVED BY COMMON EARTH EXCAVATION EQUIPMENT, OTHER THAN SOLID ROCK OR BOULDERS AND DETACHED PIECES OF ROCK, EACH EXCEEDING 2 CUBIC YARDS IN VOLUME. ROCK EXCAVATION SHALL BE MATERIAL WHICH REQUIRES THE USE OF PNEUMATIC HAMMERS AND /OR EXPLOSIVES FOR REMOVAL. SITE PREPARATION : IF EARTHWORK OPERATIONS ARE PERFORMED DURING WET SEASONS, CONTRACTOR SHALL AVOID OPERATING EQUIPMENT ON SATURATED SOILS. ANY WET SUBGRADE AREAS WHICH RECEIVE COMPACTED FILL SHALL BE DRAINED AND ALLOWED TO DRY. THE EXPOSED SUBGRADES OF THE BUILDING PAD AND ROADBEDS SHALL BE PROOFROLLED TO DETECT UNSUITABLE SOIL CONDITIONS. PROOFROLLING SHALL BE DONE AFTER A SUITABLE PERIOD OF DRY WEATHER TO AVOID DEGRADING THE SUBGRADE. PROOFROLLING SHALL BE PERFORMED WITH A HEAVILY LOADED DUMP TRUCK OR WITH SIMILAR APPROVED CONSTRUCTION EQUIPMENT. SOFT MATERIALS ENCOUNTERED SHALL BE COMPLETELY EXCAVATED AND REPLACED WITH APPROVED FILL MATERIALS. BENCHING : BENCHING SHALL CONSIST OF A SERIES OF HORIZONTAL CUTS BEGINNING AT THE TOE OF THE EXISTING SLOPED SURFACE AND CONTINUING AT EACH VERTICAL INTERSECTION OF THE PREVIOUS CUT. SATISFACTORY MATERIAL REMOVED DURING THIS OPERATION SHALL BE RECOMPACTED ALONG WITH THE NEW EMBANKMENT MATERIAL AS GENERALLY SPECIFIED, EXCEPT MOISTURE CONTENT SHALL BE MAINTAINED WITHIN 10 PERCENT OF THE OPTIMUM. BENCHING SHALL BE REQUIRED FOR ALL FILL EMBANKMENTS PLACED ON EXISTING SLOPES AS FOLLOWS : SLOPES STEEPER THAN 4:1 BUT NOT STEEPER THAN 1 %Z:I,THE BENCH SHALL BE AT LEAST 6 FT. IN WIDTH. EMBANKMENT : EMBANKMENT WORK SHALL CONSIST OF THE PLACEMENT AND COMPACTION OF FILL MATERIAL ABOVE THE NATURAL GROUND OR OTHER SURFACE IN CONFORMANCE WITH THE DRAWINGS, I4PSQIl. MATERIALS : 10 APPROVED SOILS USED IN COMPACTED FILLS SHALL BE FREE OF DEBRIS AND FIBROUS 2 ORGANIC MATERIAL. FROZEN MATERIAL WILL NOT BE PERMITTED IN THE FILL. ALL TOPSOIL AND SURFACE SOILS CONTAINING ORGANIC MATERIAL SHALL BE REMOVED SATISFACTORY MATERIALS SHALL COMPRISE THOSE CLASSIFIED IN ACCORDANCE WITH THE FROM THE GRUBBED AREA. TOPSOIL SHALL BE STOCKPILED FOR: FUTURE, USE IN UNIFIED SOIL SYSTEM, ASTM D -2487 AS GW, GP, SW, SP, SM, AND SC. THESE APPROVED LOCATIONS UNLESS OTHERWISE SHOWN ON THE DRAWINGS. MATERIALS SHALL POSSESS A MAXIMUM DRY DENSITY OF 100 u /CU.FT.OR GREATER 4 REFERENCED TO ASTM D -698 STANDARD PROCTOR. SOILS SHALL HAVE A LIQUID LIMIT TOPSOIL SHALL NOT BE USED AS, OR MIXED WITH, FILL MATERIAL IN TFHE LESS THAN 40 PERCENT AND A PLASTICITY INDEX LESS THAN 15. CONSTRUCTION OF EARTH EMBANKMENTS UNLESS OTHERWISE' SHOWN ON 'THE DRAWINGS. OF 10 OTHER MATERIALS, WHEN APPROVED BY ENGINEERING, MAY BE PERMITTED IN FILL TOPSOIL MATERIAL USED AS A SURFACE DRESSING SHALL BE REASONABLY FREE OF ,AREAS. CINDERS, DEBRIS, AND STONES. UNSUITABLE AND EXCESS TOPSOIL MATERIAL LANDSCAPE PLAN SHALL BE DISPOSED OFFSITE. UNSATISFACTORY SOILS INCLUDE THOSE CLASSIFIED AS PT,OH OR OL,CH,MH,CL 10 AND ML,AS REFERENCED TO ASTM. 0 -2487. COMPACTION ; COMPACTION EQUIPMENT SHALL CONSIST OF VIBRATORY OR TAMPING ROLLERS, SHEEPSFOOT ROLLER,PNUEMATIC -TIRED ROLLERS, THREE -WHEEL POWER ROLLERS, WALK BEHIND VIBRATORY ROLLERS, VIBRATORY PLATE OR OTHER APPROVED EQUIPMENT WELL SUITED TO THE SOIL BEING COMPACTED. APPROVED FILL MATERIAL SHALL BE PLACED IN UNIFORM HORIZONTAL LIFTS OF APPROXIMATELY 8 'DEPTH (LOOSE MEASUREMENT), EXCEPT FOR ROAD MATERIALS ABOVE SUBGRADE ELEVATION AND THE UPPER 12- OF BUILDING PADS WHICH REQUIRE 6' LIFTS. WHERE WALK BEHIND ROLLERS AND VIBRATORY PLATE COMPACTORS ARE USED, THE LIFT THICKNESS SHALL NOT EXCEED 4'. GENERALLY, FILLS SHALL BE COMPACTED TO AT LEAST 95 PERCENT OF THE STANDARD PROCTOR MAXIMUM DRY DENSITY (ASTM D -698 ),WITH MOISTURE CONTENT RANGING BETWEEN LESS THAN 3 PERCENT UP TO THE OPTIMUM AS DETERMINED BY THE PROCTOR DENSITY TEST. THE UPPER 12' OF ROADBEDS AND CONTROL ENCLOSURE BUILDING PADS REQUIRE 98 PERCENT COMPACTION REFERENCED TO ASTM D -698, WITH MOISTURE CONTENT MAINTAINED WITHIN 2 PERCENT OF THE OPTIMUM. EACH SUCCESSIVE LIFT WILL BE PLACED ON FIRM APPROVED SUBGRADE OR COMPACTED FILL. WHERE PREVIOUS LIFTS ARE FOUND TO BE UNACCEPTABLE, THE AREA WILL BE SCARIFIED, AERATED OR MOISTENED, RECOMPACTED OR REMOVED, AND REPLACED AS REQUIRED. DRAINAGE THE FILL SURFACE SHALL BE ADEQUATELY MAINTAINED DURING CONSTRUCTION. THE SURFACE SHALL BE SLOPED TO ACHIEVE SUFFICIENT DRAINAGE, AND TO PREVENT WATER 7 77w. rd S118ST4TION EDUIPMENT LAYOUT (NO SCALE) FROM PONDING ON THE FILL. IF PRECIPITATION IS EXPECTED WHILE FILL CONSTRUCTION IS TEMPORARILY HALTED, THE SURFACE SHALL BE ROLLED WITH RUBBER - TIRED OR STEEL- DRUMMED EQUIPMENT TO IMPROVE SURFACE RUNOFF. FOR PLACEMENT DURING OR AFTER DIFFICULT WEATHER CONDITIONS, WET OR FROZEN MATERIAL SHALL BE REMOVED. FINISHED GRADE TOLERANCES THE TOP OF EARTHWORK FOR SUBSTATION PAD AND ROADWAY TRAVEL AREAS SHALL BE WITHIN 0.10 FT. ABOVE OR BELOW THE THEORETICAL GRADE. EARTH SLOPES : EXCAVATED SLOPES STEEPER THAN 3:1 SHALL BE ROUGH GRADED IN A MANNER TO PROVIDE HORIZONTAL RIDGES AND GROOVES HAVING AN - AVERAGE DEVIATION NO GREATER THAN 0.75 FT. FROM THE THEORETICAL LINE OF THE TYPICAL CROSS SECTION. EXCAVATED SLOPES 3:1 OR FLATTER SHALL BE UNIFORMLY FINISHED AND SHALL NOT DEVIATE FROM THE THEORETICAL PLANE SURFACE BY MORE THAN 0.50 FT. EMBANKMENT SLOPES STEEPER THAN 3:1 SHALL BE ROUGH GRADED IN A MANNER TO PROVIDE HORIZONTAL RIDGES AND GROOVES NOT MORE THAN 0.50 FT.FROM THE THEORETICAL LINE OF THE TYPICAL CROSS SECTION. EMBANKMENT SLOPES 3:1 OR FLATTER SHALL BE UNIFORMLY FINISHED AND SHALL NOT DEVIATE FROM THE THEORETICAL PLANE SURFACE BY MORE THAN 0.50 FT. ROCK SLOPES : SHALL NOT DEVIATE FROM A PLANE SURFACE BY MORE THAN 2.0 FT.AND SHALL NOT DEVIATE FROM THEIR THEORETICAL LOCATION BY MORE THAN 2.0 FT. MEASURED ALONG ANY LINE PERPENDICULAR TO THE THEORETICAL SLOPE LINE. VOOT : ITEMS REFERENCED TO THE VIRGINIA DEPARTMENT OF TRANSPORTATION SHOWN ON THE DRAWINGS SHALL CONFORM TO THE REQUIREMENTS OF THEIR LATEST STANDARDS AND SPECIFICATIONS. MANUFACTURERS'ITEMS : ITEMS REFERENCED TO SPECIFIC MANUFACTURERS OR BRAND NAMES SHALL BE SUBJECT TO ANY RECOMMENDATIONS OR LIMITATIONS PERTAINING TO THEIR INSTALLATION OR USE. REQUESTS FOR SUBSTITUTIONS MUST BE APPROVED BY ENGINEERING. SUFFICIENT INFORMATION REGARDING REQUESTS MUST BE RECEIVED BY ENGINEERING 10 DAYS IN ADVANCE OF APPROVAL. PROJECT DESCRIPTION.• THIS SITE EXPANSION PROJECT (NUMBER 99-2310)4T ROLL YMEAD SUBSTATION IS NECESSARY FOR THE INSTALLATION OF 230 KV LOOP SERVICE AND ASSOCIATED EOLGPMENT TO IMPROVE AREA SERVICE AND RELIABILITY, ORMWING LIST WORTH CROSSING Z TAX 2 I ( /32-37 AP TIMBERWOOD � j j/ IV-,/ BLVD. y SITE VICINITY MAP SCALE: T' - 1000' GENERAL SITE INFORMATION. - OWNER: VIRGINIA ELECTRIC & POWER COMPANY ADDRESS.- 3317 WORTH CROSSING CHARLOTTESVILLE, VA 22911 LAT. - LONG. 38'87'38.5'N LAT., 7826'.01.75'LONG. ZONING R-1 AND R -15 TAX MAP NUMBER: 93299-99-99-93790 US;E.• ELECTRICAL SUBSTATION TO ?TAL SITE ACERAGE: 6.72 ACRES (1.68 ACRES EX, SUBSTATION) TREE COVERAGE.• 4,25 4CRE51185,1338 S.F. W4 TER AND SEWER: NONE EXISTING OR PROPOSED WETLANDS,- NO WETL{�NOS ARE PRESENT AT THE EXISTING SUBSTATION EXPANSION AREA. PARKING.- NONE EXIST1I10 OR PROPOSED PMOPOSED BUILDINGS.• 4- NONE OFFSITE LAND DISTURB-(INCE NONE PROPOSED ANY OFFSITE LAND DISTURBING ACTIVITY ASSOCIATED WITH THIS PROJECT MUST HAVE AN APPROMED EROSION AND SEDIMENT CONTROL PLAN. VIRGINIA STORMWATER MANAGEMENT PROGRAM PERMIT (VSMP).- NOT APPL)CABLE.• DISTURBED AREA l 1 ACRE, 1 OF 10 TITLE SHEET = SPECIFICATIONS /GENERAL NOTES 2 OF 10 EROSION & SEDIMENT CONTROL NOTES, GENERAL NOTES AND NARRATIVE 3 OF 10 EROSION & SEDIMENT CONTROL CONSTRUCTION DETAILS 4 OF 10 EXISTING CONDITIONS AND PHASE I EROSION A SEDIMENT CONTROL PLAN 5 OF 10 i SITE, GRADING, AND DRAINAGE PLAN & PHASE 11 EROSION & SE011YEN7r CONTROL PLAN 6 -OF 10 LANDSCAPE PLAN 7 OF 10 CONSTRUCTION DETAILS I 8 OF 10 CONSTRUCTION DETAILS 11 9 OF 10 DRAINAGE AREA MAP 10 OF 10 WATER QUALITY PLAN TOTI-AL LAND DISTURBANCE = 17,633 S.F. FILE Cuey This copy of the approved plan is reserved for the official files of Albemarle County, 'lease do not remove this piiam from they file.. APPROVED .-Y the Albemarle County Corrir UM y evelopment Depaftinellt Dated File 5 VU NI CIVIL ENGINEER.• CHARLENE A. HARPER, P.E., LEED AP (804) 767 -2206, F4X (804) 767 -2182 GEOSYNTEC CONSUL. TANTS, INC. 2727 ENTERPRISE )PARKWAY, SUITE 103 RICHMOND, VIRGINIA! 23294 SENIOR SITING 4N0 PERMITTING SPECIALIST: COURTNEY R. FISHER (804) 771 -6948, F4A-1' (804) 771 -6303 DOMINION VIRGINIA POWER 701 EAST CARP STREET RICHMOND, VIRGINIA' 23219 PREPARED B.* GEOSYNTEC CONSUL TANTS 2727 ENTERPRISE ,PARKWAY, SUITE 183 RICHMOND, VIRGINIA► 23294 (804) 767-2296 CIVIL ENGINEER: CHARLENE A. HARPER, P.E., LEEO AP i CALL MISS UTILITY BEFORE DIGGING 1 -800- 552 -7061 OR 811 ,04 ® ® ® ®dd 0�� F, E1 LT Ii 0,p � � O 1�\p — UHARLERE A. HYPER " Lic. No, 0360 sI a0 sIONA _L E� ®� ®0® ® ® * ®® s C) � rr z �Q �Q pWz oo� W Q� M210 E 001 0 W�j 0 2 cq,� CQ * 26 a� O� V WOJ o e � � Q o O J W O ?(jNJ :ZiIQ Sheet / of /0 Total Sheets 0600077a.dgn 0) 4 O O 0 I Revisions *USERNAME* EROSION AND SEDIMENTATION CONTROL NOTES - VIRGINIA ES -1. CONTRACTOR SHALL HAVE AVAILABLE A COPY OF THE LATEST VERSION OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. CONTRACTOR SHALL BE RESPONSIBLE FOR THE INSTALLATION, MAINTENANCE, AND REMOVAL OF ALL CONTROL DEVICES. THESE DEVICES SHALL MEET OR EXCEED THE HIGHER OF THE REQUIREMENTS COVERED IN THIS HANDBOOK OR THE CONTROLLING AUTHORITY. ES -2. EROSION AND SEDIMENT CONTROL DEVICES, AS SHOWN ON THE PLAN, SHALL BE INSTALLED AS THE FIRST STEP OF THE GRADING PROCESS. ES -3. TEMPORARY DEVICES SHALL BE REPAIRED OR REPLACED IMMEDIATELY IF THEY CEASE TO FUNCTION AS INTENDED. TEMPORARY CONTROLS SHALL BE REMOVED WHEN AREAS ABOVE THEM BECOME STABILIZED TO THE SATISFACTION OF-THE PLAN APPROVING AUTHORITIES. ES -4. IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO KEEP SURROUNDING DRAINAGE BEDS FREE OF SILT CAUSED BY EROSION DURING CONSTRUCTION. ES -5. NO DISTURBED AREA SHALL REMAIN DENUDED FOR LONGER THAN 7 DAYS.EXCEPT THOSE CONTINUOUSLY BEING WORKED OR BUILT UPON. ES -6. ELECTRIC POWER,TELEPHONE,AND GAS SUPPLY TRENCHES ARE TO BE COMPACTED, SEEDED, AND MULCHED WITHIN 7 DAYS AFTER BACKFILL. ALL EXCAVATED MATERIAL SHALL BE PLACED ON THE UPHILL SIDE OF TRENCHES. ES -7. THE SITE STONE IS PART OF THE PERMANENT STABILIZATION OF THE SITE. IT SHALL BE APPLIED AS SOON AS PRACTICAL AFTER FOUNDATION INSTALLATIONS ARE COMPLETE. ES -8. TEMPORARY OR PERMANENT SEEDING SHALL BE ACCOMPLISHED WITHIN 7 DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THE SUBSTATION LOT. ES -9. TOPSOIL SHALL BE APPLIED IN 2 -6 INCH LAYERS ON AREAS ROUGHENED USING STANDARD ROUGHENING PROCEDURES. ALL AREAS DESIGNATED TO BE SEEDED SHALL BE TOPSOILED WHEN SUFFICIENT MATERIAL IS AVAILABLE. ES -10. UNLESS OTHERWISE NOTED,ALL DITCHES AND OTHER GRASS LINED WATER WAYS SHALL BE LIMED, FERTILIZED, SEEDED, AND STABILIZED WITH EXCELSIOR BLANKET (CURLEX) IMMEDIATELY AFTER CONSTRUCTION. ES -11. TEMPORARY AND PERMANENT SEEDING SHALL CONFORM TO THE LATEST SPECIFICATIONS OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. *GENERAL SPECIFICATIONS FOLLOW: TEMPORARY SEEDING: PLANTING DATES BETWEEN SEPT.1 AND FEB. 15 - 50/50 MIX OF ANNUAL RYEGRASS (LOLIUM MULTI - FLORUM) & CEREAL (WINTER) RYE (SECALE CEREALE) AT A RATE OF 50 -100 LBS. /ACRE PLANTING DATES BETWEEN FEB. 16 AND APR. 30 - ANNUAL RYEGRASS (LOLIUM MULTI- FLORUM) AT A RATE PLANTING DATES BETWEEN MAY 1 AND AUG. 31 - GERMAN MILLET (SETARIA ITALICA) AT A RATE OF 50 LBS. /ACRE MULCHING SHALL BE APPLIED AS SPECIFIED ON E & S DRAWINGS., PERMANENT SEEDING SPECIFICATIONS: PIEDMONT AREA - TOTAL LBS. - TYPE - PER ACRE KENTUCKY 31 OR TURF -TYPE TALL FESCUE 175 -200 LBS., 95 -100% IMPROVED PERENNIAL RYEGRASS 0 -5X KENTUCKY BLUEGRASS 0 -5% LIME - 2 TONS /ACRE PULVERIZED AGRICULTURAL GRADE LIMESTONE (90 LBS. /1000 SO.FT.) FERTILIZER - 1000 LBS. /ACRE 10 -20 -10 OR EQUIVALENT NUTRIENTS (23 LBS./1000 SQ.FT.) Pampa nFS(;RTPTTn THE PURPOSE OF THIS PROJECT IS A MINOR EXPANSION TO AN EXISTING POWER SUBSTATION. THE 35' X 250' EXPANSION RESULTS IN A DISTURBED AREA OF 17,633 SF. THIS DISTURBED AREA DOES NOT REQUIRE A VSMP PERMIT FROM VIRGINIA OCR. THE OUTFALL DESCRIBED IN THE EXISTING CONDITIONS SECTION (BELOW) IS IN STABLE CONDITION AND WILL BE MAINTAINED. THE EXISTING WOODED BUFFER AROUND THE SUBSTATION WILL NOT BE DISTURBED BY THE EXPANSION. FXTSTTNr, STTF rnNr1TTTnNS THE EXISTING SUBSTATION IS RELATIVELY FLAT (3% SLOPES) AND DRAINS TO A SINGLE DROP INLET. THE OUTFALL FROM THE DROP INLET DISCHARGES TO A RIPRAP STABILIZED CHANNEL THAT LEADS TO A FOREST LAKES COMMUNITY ASSOCIATION LAKE IN THE POWELL CREEK WATERSHED. An.TACFNT PRnPFRTY THE SITE ACCESS ROAD CONNECTS TO WORTH CROSSING. THE SOUTH- EASTERN PROPERTY BOUNDARY,IS THE LAKE OWNED BY THE FOREST LAKES COMMUNITY ASSOCIATION. THE SITE IS BORDERED ON THE WEST BY DAVITA (HIGHLIFE. LLC) AND BY 2 UNDEVELOPED PROPERTIES OWNED BY ESTES PARK, LLC AS WELL AS WORTH CROSSING CENTER ON THE NORTH. THERE WILL BE NO IMPACT TO OFF-SITE AREAS. Typical Drawingli Library Looation I Cell Name r Infomation 11 1 0 1 THE PREDOMINANT SOILS ON THE SITE ARE ELIOAK CLAY LOAM, 7 TO 15 PERCENT SLOPES, SEVERELY ERODED 1280). ELIOAK LOAM, 2 TO 7 PERCENT SLOPES (27B) AND GLENELG LOAM, 7 TO 15 PERCENT SLOPES (340 ARE ALSO PRESENT, THOUGH NOT WITHIN THE LIMITS OF DISTURBANCE. ELIOAK CLAY LOAM IS A STRONGLY SLOPING TO MODERATELY STEEP, VERY DEEP, WELL DRAINED SOIL. TYPICALLY THE SURFACE LAYER IS CLAY LOAM ABOUT 8 INCHES THICK. THE SURFACE LAYER HAS A MODERATE CONTENT OF ORGANIC MATTER. THE SLOWEST PERMEABILITY IS MODERATELY SLOW. IT HAS A LOW AVAILABLE WATER CAPACITY AND A MODERATE SHRINK SWELL POTENTIAL. THIS SOIL IS NOT FLOODED AND IS NOT PONDED. THE SEASONAL HIGH WATER TABLE IS AT A DEPTH OF MORE THAN 6 FEET. THE LAND CAPABILITY CLASSIFICATION IS 4E. THE VIRGINIA SOIL MANAGEMENT GROUP IS X. THIS SOIL IS NOT HYDRIC. ELIOAK LOAM IS A GENTLY SLOPING TO MODERATELY SLOPING, VERY DEEP, WELL DRAINED SOIL. TYPICALLY THE SURFACE LAYER IS LOAM ABOUT 8 INCHES THICK. THE SURFACE LAYER HAS A MODERATE CONTENT OF ORGANIC MATTER. THE SLOWEST PERMEABILITY IS MODERATELY SLOW. IT HAS A MODERATE AVAILABLE WATER CAPACITY AND A LOW SHRINK SWELL POTENTIAL. THIS SOIL IS NOT FLOODED AND IS NOT PONDED. THE SEASONAL HIGH WATER TABLE IS AT A DEPTH OF MORE THAN 6 FEET. THE LAND CAPABILITY CLASSIFICATION IS 2E. THE VIRGINIA SOIL MANAGEMENT GROUP IS X. THIS SOIL IS NOT HYDRIC. GLENELG LOAM IS A STRONGLY SLOPING TO MODERATELY STEEP, VERY DEEP, WELL DRAINED SOIL. TYPICALLY THE SURFACE LAYER IS LOAM ABOUT 8 INCHES THICK. THE SURFACE LAYER HAS A MODERATE CONTENT OF ORGANIC' MATTER. THE SLOWEST PERMEABILITY IS MODERATE. IT HAS A HIGH AVAILABLE WATER CAPACITY AND A LOW SHRINK SWELL POTENTIAL. THIS SOIL IS NOT FLOODED AND IS NOT PONDED. THE SEASONAL HIGH WATER TABLE IS AT A DEPTH OF MORE, THAN 6. FEET. THE LAND CAPABILITY CLASSIFICATION IS 3E THE VIRGINIA SOIL MANAGEMENT GROUP IS U. THIS SOIL IS NOT HYDRIC. r_RTTTr_AI FRr1STr1N ARFAA _STEEP SLOPES EXIST WITHIN THE LIMITS OF DISTURBANCE AND WILL BE REPLACED WITH A RETAINING WALL. FRr1STnN ANn SFr1TMFNT r nNTRr11 MFASI IRFS UNLESS OTHERWISE INDICATED,ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE CONSTRUCTED AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE HANDBOOK. THE MINIMUM STANDARDS OF THE VESCR SHALL BE ADHERED TO UNLESS OTHERWISE WAIVED OR APPROVED BY A VARIANCE. STRIIr_TIIRAI PRAr;TTr_FS 1. OUTLET PROTECTION - 3.18 RIPRAP EXISTS AT THE OUTFALL. 2. SILT FENCE BARRIER - 3.05 SILT FENCE SEDIMENT BARRIERS WILL BE INSTALLED DOWNSLOPE OF AREAS WITH MINIMAL GRADES TO FILTER SEDIMENT -LADEN RUNOFF FROM SHEET FLOW AS INDICATED ON SHEET 5. 3. TREE PROTECTION - 3.38 A FENCE BARRIER IS TO BE PLACED AROUND THE TREES AND VEGETATED AREAS WHICH WILL NOT BE DISTURBED TO PROTECT THE TREES AND OTHER VEGETATION FROM CONSTRUCTION EQUIPMENT AND SOIL COMPACTION. 4. STORM DRAIN INLET PROTECTION- 3.07 ALL STORM SEWER INLETS SHALL BE PROTECTED DURING CONSTRUCTION. SEDIMENT -LADEN WATER SHALL BE FILTERED BEFORE ENTERING THE STORM SEWER INLETS. VFr;FTATTVF PRAr_TTCFS 1. TOPSOILING (STOCKPILE) - 3.30 TOPSOIL WILL BE STRIPPED FROM AREAS TO BE GRADED AND STOCKPILED FOR LATER USE. STOCKPILE LOCATIONS SHALL BE LOCATED OFF -SITE AND ARE TO BE STABILIZED WITH TEMPORARY VEGETATION. PRIOR` TO LAND- DISTURBING ACTIVITIES. THE CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY E &S PLAN TO THE OWNER COVERING THE OFF -SITE STOCKPILE AREA WHICH WOULD HAVE TO BE APPROVED BY THE PLAN APPROVING AUTHORITY BEFORE ANY OFF -SITE ACTIVITY COMMENCES. 2. TEMPORARY SEEDING - 3.31 ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR EXTENDED PERIODS OF TIME SHALL BE SEEDED WITH FAST GERMINATING TEMPORARY VEGETATION IMMEDIATELY FOLLOWING GRADING. SELECTION OF THE SEED MIXTURE WILL DEPEND ON THE TIME OF YEAR IT IS APPLIED. 2 3 4 5 0. a 0 a z g °° MS -5. STABILIZATION MEASURES SHALL BE APPLIED TO EARTHEN C3 x _ � i m 0 4> a_ FILL SLOPES WHICH HAVE BEEN BROUGHT TO FINAL IMMEDIATELY AFTER INSTALLATION. STABILIZATION OR AFTER THE TEMPORARY MEASURES ARE NO Z U LONGER NEEDED, UNLESS OTHERWISE AUTHORIZED BY THE SLOPES FROM RILL AND GULLY EROSION AND TO MS -6. SEDIMENT TRAPS AND SEDIMENT BASINS SHALL BE Revisions *USERNAME* EROSION AND SEDIMENTATION CONTROL NOTES - VIRGINIA ES -1. CONTRACTOR SHALL HAVE AVAILABLE A COPY OF THE LATEST VERSION OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. CONTRACTOR SHALL BE RESPONSIBLE FOR THE INSTALLATION, MAINTENANCE, AND REMOVAL OF ALL CONTROL DEVICES. THESE DEVICES SHALL MEET OR EXCEED THE HIGHER OF THE REQUIREMENTS COVERED IN THIS HANDBOOK OR THE CONTROLLING AUTHORITY. ES -2. EROSION AND SEDIMENT CONTROL DEVICES, AS SHOWN ON THE PLAN, SHALL BE INSTALLED AS THE FIRST STEP OF THE GRADING PROCESS. ES -3. TEMPORARY DEVICES SHALL BE REPAIRED OR REPLACED IMMEDIATELY IF THEY CEASE TO FUNCTION AS INTENDED. TEMPORARY CONTROLS SHALL BE REMOVED WHEN AREAS ABOVE THEM BECOME STABILIZED TO THE SATISFACTION OF-THE PLAN APPROVING AUTHORITIES. ES -4. IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO KEEP SURROUNDING DRAINAGE BEDS FREE OF SILT CAUSED BY EROSION DURING CONSTRUCTION. ES -5. NO DISTURBED AREA SHALL REMAIN DENUDED FOR LONGER THAN 7 DAYS.EXCEPT THOSE CONTINUOUSLY BEING WORKED OR BUILT UPON. ES -6. ELECTRIC POWER,TELEPHONE,AND GAS SUPPLY TRENCHES ARE TO BE COMPACTED, SEEDED, AND MULCHED WITHIN 7 DAYS AFTER BACKFILL. ALL EXCAVATED MATERIAL SHALL BE PLACED ON THE UPHILL SIDE OF TRENCHES. ES -7. THE SITE STONE IS PART OF THE PERMANENT STABILIZATION OF THE SITE. IT SHALL BE APPLIED AS SOON AS PRACTICAL AFTER FOUNDATION INSTALLATIONS ARE COMPLETE. ES -8. TEMPORARY OR PERMANENT SEEDING SHALL BE ACCOMPLISHED WITHIN 7 DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THE SUBSTATION LOT. ES -9. TOPSOIL SHALL BE APPLIED IN 2 -6 INCH LAYERS ON AREAS ROUGHENED USING STANDARD ROUGHENING PROCEDURES. ALL AREAS DESIGNATED TO BE SEEDED SHALL BE TOPSOILED WHEN SUFFICIENT MATERIAL IS AVAILABLE. ES -10. UNLESS OTHERWISE NOTED,ALL DITCHES AND OTHER GRASS LINED WATER WAYS SHALL BE LIMED, FERTILIZED, SEEDED, AND STABILIZED WITH EXCELSIOR BLANKET (CURLEX) IMMEDIATELY AFTER CONSTRUCTION. ES -11. TEMPORARY AND PERMANENT SEEDING SHALL CONFORM TO THE LATEST SPECIFICATIONS OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. *GENERAL SPECIFICATIONS FOLLOW: TEMPORARY SEEDING: PLANTING DATES BETWEEN SEPT.1 AND FEB. 15 - 50/50 MIX OF ANNUAL RYEGRASS (LOLIUM MULTI - FLORUM) & CEREAL (WINTER) RYE (SECALE CEREALE) AT A RATE OF 50 -100 LBS. /ACRE PLANTING DATES BETWEEN FEB. 16 AND APR. 30 - ANNUAL RYEGRASS (LOLIUM MULTI- FLORUM) AT A RATE PLANTING DATES BETWEEN MAY 1 AND AUG. 31 - GERMAN MILLET (SETARIA ITALICA) AT A RATE OF 50 LBS. /ACRE MULCHING SHALL BE APPLIED AS SPECIFIED ON E & S DRAWINGS., PERMANENT SEEDING SPECIFICATIONS: PIEDMONT AREA - TOTAL LBS. - TYPE - PER ACRE KENTUCKY 31 OR TURF -TYPE TALL FESCUE 175 -200 LBS., 95 -100% IMPROVED PERENNIAL RYEGRASS 0 -5X KENTUCKY BLUEGRASS 0 -5% LIME - 2 TONS /ACRE PULVERIZED AGRICULTURAL GRADE LIMESTONE (90 LBS. /1000 SO.FT.) FERTILIZER - 1000 LBS. /ACRE 10 -20 -10 OR EQUIVALENT NUTRIENTS (23 LBS./1000 SQ.FT.) Pampa nFS(;RTPTTn THE PURPOSE OF THIS PROJECT IS A MINOR EXPANSION TO AN EXISTING POWER SUBSTATION. THE 35' X 250' EXPANSION RESULTS IN A DISTURBED AREA OF 17,633 SF. THIS DISTURBED AREA DOES NOT REQUIRE A VSMP PERMIT FROM VIRGINIA OCR. THE OUTFALL DESCRIBED IN THE EXISTING CONDITIONS SECTION (BELOW) IS IN STABLE CONDITION AND WILL BE MAINTAINED. THE EXISTING WOODED BUFFER AROUND THE SUBSTATION WILL NOT BE DISTURBED BY THE EXPANSION. FXTSTTNr, STTF rnNr1TTTnNS THE EXISTING SUBSTATION IS RELATIVELY FLAT (3% SLOPES) AND DRAINS TO A SINGLE DROP INLET. THE OUTFALL FROM THE DROP INLET DISCHARGES TO A RIPRAP STABILIZED CHANNEL THAT LEADS TO A FOREST LAKES COMMUNITY ASSOCIATION LAKE IN THE POWELL CREEK WATERSHED. An.TACFNT PRnPFRTY THE SITE ACCESS ROAD CONNECTS TO WORTH CROSSING. THE SOUTH- EASTERN PROPERTY BOUNDARY,IS THE LAKE OWNED BY THE FOREST LAKES COMMUNITY ASSOCIATION. THE SITE IS BORDERED ON THE WEST BY DAVITA (HIGHLIFE. LLC) AND BY 2 UNDEVELOPED PROPERTIES OWNED BY ESTES PARK, LLC AS WELL AS WORTH CROSSING CENTER ON THE NORTH. THERE WILL BE NO IMPACT TO OFF-SITE AREAS. Typical Drawingli Library Looation I Cell Name r Infomation 11 1 0 1 THE PREDOMINANT SOILS ON THE SITE ARE ELIOAK CLAY LOAM, 7 TO 15 PERCENT SLOPES, SEVERELY ERODED 1280). ELIOAK LOAM, 2 TO 7 PERCENT SLOPES (27B) AND GLENELG LOAM, 7 TO 15 PERCENT SLOPES (340 ARE ALSO PRESENT, THOUGH NOT WITHIN THE LIMITS OF DISTURBANCE. ELIOAK CLAY LOAM IS A STRONGLY SLOPING TO MODERATELY STEEP, VERY DEEP, WELL DRAINED SOIL. TYPICALLY THE SURFACE LAYER IS CLAY LOAM ABOUT 8 INCHES THICK. THE SURFACE LAYER HAS A MODERATE CONTENT OF ORGANIC MATTER. THE SLOWEST PERMEABILITY IS MODERATELY SLOW. IT HAS A LOW AVAILABLE WATER CAPACITY AND A MODERATE SHRINK SWELL POTENTIAL. THIS SOIL IS NOT FLOODED AND IS NOT PONDED. THE SEASONAL HIGH WATER TABLE IS AT A DEPTH OF MORE THAN 6 FEET. THE LAND CAPABILITY CLASSIFICATION IS 4E. THE VIRGINIA SOIL MANAGEMENT GROUP IS X. THIS SOIL IS NOT HYDRIC. ELIOAK LOAM IS A GENTLY SLOPING TO MODERATELY SLOPING, VERY DEEP, WELL DRAINED SOIL. TYPICALLY THE SURFACE LAYER IS LOAM ABOUT 8 INCHES THICK. THE SURFACE LAYER HAS A MODERATE CONTENT OF ORGANIC MATTER. THE SLOWEST PERMEABILITY IS MODERATELY SLOW. IT HAS A MODERATE AVAILABLE WATER CAPACITY AND A LOW SHRINK SWELL POTENTIAL. THIS SOIL IS NOT FLOODED AND IS NOT PONDED. THE SEASONAL HIGH WATER TABLE IS AT A DEPTH OF MORE THAN 6 FEET. THE LAND CAPABILITY CLASSIFICATION IS 2E. THE VIRGINIA SOIL MANAGEMENT GROUP IS X. THIS SOIL IS NOT HYDRIC. GLENELG LOAM IS A STRONGLY SLOPING TO MODERATELY STEEP, VERY DEEP, WELL DRAINED SOIL. TYPICALLY THE SURFACE LAYER IS LOAM ABOUT 8 INCHES THICK. THE SURFACE LAYER HAS A MODERATE CONTENT OF ORGANIC' MATTER. THE SLOWEST PERMEABILITY IS MODERATE. IT HAS A HIGH AVAILABLE WATER CAPACITY AND A LOW SHRINK SWELL POTENTIAL. THIS SOIL IS NOT FLOODED AND IS NOT PONDED. THE SEASONAL HIGH WATER TABLE IS AT A DEPTH OF MORE, THAN 6. FEET. THE LAND CAPABILITY CLASSIFICATION IS 3E THE VIRGINIA SOIL MANAGEMENT GROUP IS U. THIS SOIL IS NOT HYDRIC. r_RTTTr_AI FRr1STr1N ARFAA _STEEP SLOPES EXIST WITHIN THE LIMITS OF DISTURBANCE AND WILL BE REPLACED WITH A RETAINING WALL. FRr1STnN ANn SFr1TMFNT r nNTRr11 MFASI IRFS UNLESS OTHERWISE INDICATED,ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE CONSTRUCTED AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE HANDBOOK. THE MINIMUM STANDARDS OF THE VESCR SHALL BE ADHERED TO UNLESS OTHERWISE WAIVED OR APPROVED BY A VARIANCE. STRIIr_TIIRAI PRAr;TTr_FS 1. OUTLET PROTECTION - 3.18 RIPRAP EXISTS AT THE OUTFALL. 2. SILT FENCE BARRIER - 3.05 SILT FENCE SEDIMENT BARRIERS WILL BE INSTALLED DOWNSLOPE OF AREAS WITH MINIMAL GRADES TO FILTER SEDIMENT -LADEN RUNOFF FROM SHEET FLOW AS INDICATED ON SHEET 5. 3. TREE PROTECTION - 3.38 A FENCE BARRIER IS TO BE PLACED AROUND THE TREES AND VEGETATED AREAS WHICH WILL NOT BE DISTURBED TO PROTECT THE TREES AND OTHER VEGETATION FROM CONSTRUCTION EQUIPMENT AND SOIL COMPACTION. 4. STORM DRAIN INLET PROTECTION- 3.07 ALL STORM SEWER INLETS SHALL BE PROTECTED DURING CONSTRUCTION. SEDIMENT -LADEN WATER SHALL BE FILTERED BEFORE ENTERING THE STORM SEWER INLETS. VFr;FTATTVF PRAr_TTCFS 1. TOPSOILING (STOCKPILE) - 3.30 TOPSOIL WILL BE STRIPPED FROM AREAS TO BE GRADED AND STOCKPILED FOR LATER USE. STOCKPILE LOCATIONS SHALL BE LOCATED OFF -SITE AND ARE TO BE STABILIZED WITH TEMPORARY VEGETATION. PRIOR` TO LAND- DISTURBING ACTIVITIES. THE CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY E &S PLAN TO THE OWNER COVERING THE OFF -SITE STOCKPILE AREA WHICH WOULD HAVE TO BE APPROVED BY THE PLAN APPROVING AUTHORITY BEFORE ANY OFF -SITE ACTIVITY COMMENCES. 2. TEMPORARY SEEDING - 3.31 ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR EXTENDED PERIODS OF TIME SHALL BE SEEDED WITH FAST GERMINATING TEMPORARY VEGETATION IMMEDIATELY FOLLOWING GRADING. SELECTION OF THE SEED MIXTURE WILL DEPEND ON THE TIME OF YEAR IT IS APPLIED. 2 3 4 5 7 8 9 10 11 12 3. EROSION CONTROL BLANKETS - 3.36 OR MULCH - 3.35 MS -5. STABILIZATION MEASURES SHALL BE APPLIED TO EARTHEN MS-18. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES EROSION CONTROL BLANKETS WILL BE INSTALLED OVER STRUCTURES SUCH AS DAMS, DIKES AND DIVERSIONS SHALL BE REMOVED WITHIN 30 DAYS AFTER FINAL SITE FILL SLOPES WHICH HAVE BEEN BROUGHT TO FINAL IMMEDIATELY AFTER INSTALLATION. STABILIZATION OR AFTER THE TEMPORARY MEASURES ARE NO GRADE AND HAVE BEEN SEEDED TO PROTECT THE Sheet No. LONGER NEEDED, UNLESS OTHERWISE AUTHORIZED BY THE SLOPES FROM RILL AND GULLY EROSION AND TO MS -6. SEDIMENT TRAPS AND SEDIMENT BASINS SHALL BE LOCAL PROGRAM AUTHORITY. TRAPPED SEDIMENT AND THE ALLOW SEED TO GERMINATE PROPERLY. MULCH (STRAW DESIGNED AND CONSTRUCTED BASED UPON THE TOTAL DISTURBED SOIL AREAS RESULTING FROM THE DISPOSITION OR FIBER)WILL BE USED ON RELATIVELY FLAT AREAS DRAINAGE AREA TO BE SERVED BY THE TRAP OR BASIN. OF TEMPORARY MEASURES SHALL BE PERMANENTLY AND WILL BE APPLIED AS A SECOND STEP IN THE Approvals STABILIZED TO PREVENT FURTHER EROSION AND SEEDING OPERATION. A. THE MINIMUM STORAGE CAPACITY OF A SEDIMENT TRAP SEDIMENTATION. SHALL BE 134 CUBIC YARDS PER ACRE OF DRAINAGE AREA Revisions a w i AND THE TRAP SHALL ONLY CONTROL DRAINAGE AREAS LESS MS-19. PROPERTIES AND WATERWAYS DOWNSTREAM FROM MANASFMFNT STRAWGIFS THAN THREE ACRES. DEVELOPMENT SITES SHALL BE PROTECTED FROM SEDIMENT DEPOSITION, EROSION AND DAMAGE DUE TO INCREASES IN 1. CONSTRUCTION WILL BE SEQUENCED SO THAT GRADING B. SURFACE RUNOFF FROM DISTURBED AREAS THAT IS VOLUME,VELOCITY AND PEAK FLOW RATE OF STORMWATER OPERATIONS CAN BEGIN AND END AS QUICKLY AS COMPRISED OF FLOW FROM DRAINAGE AREAS GREATER THAN RUNOFF FOR THE STATED FREQUENCY STORM OF 24 -HOUR POSSIBLE. OR EQUAL TO THREE ACRES SHALL BE CONTROLLED BY A DURATION IN ACCORDANCE WITH THE FOLLOWING STANDARDS v o �o ii E SEDIMENT BASIN. THE MINIMUM STORAGE CAPACITY OF A AND CRITERIA: 2. SEDIMENT TRAPPING MEASURES WILL IBE INSTALLED AS SEDIMENT BASIN SHALL BE 134 CUBIC YARDS PER ACRE OF A FIRST STEP IN GRADING AND WILL BE SEEDED AND DRAINAGE AREA. THE OUTFALL SYSTEM SHALL, AT A A. CONCENTRATED STORMWATER RUNOFF LEAVING A DEVELOPMENT MULCHED IMMEDIATELY FOLLOWING INSTALLATION. MINIMUM, MAINTAIN THE STRUCTURAL INTEGRITY OF THE SITE SHALL BE (DISCHARGED DIRECTLY INTO AN ADEQUATE BASIN DURING A 25 -YEAR STORM OF 24 -HOUR DURATION. NATURAL OR MAN( -MADE RECEIVING CHANNEL, PIPE OR STORM 3. TEMPORARY SEEDING OR OTHER STABIILIZATION WILL RUNOFF COEFFICIENTS USED IN RUNOFF CALCULATIONS SEWER SYSTEM. FOR THOSE SITES WHERE RUNOFF IS FOLLOW IMMEDIATELY AFTER GRADING. SHALL CORRESPOND TO A BARE EARTH CONDITION OR THOSE DISCHARGED INTO A PIPE OR PIPE SYSTEM, DOWNSTREAM CONDITIONS EXPECTED TO EXIST WHILE THE SEDIMENT STABILITY ANALYSES AT THE OUTFALL OF THE PIPE OR PIPE 4. AREAS WHICH ARE NOT TO BE DISTURBED WILL BE BASIN IS UTILIZED. SYSTEM SHALL BE PERFORMED. CLEARLY MARKED BY FLAGS, SIGNS, ETC. MS-7. CUT AND FILL SLOPES SHALL BE DESIGNED AND B. ADEQUACY OF ALL CHANNELS AND PIPES SHALL BE VERIFIED 5. THE JOB SUPERINTENDENT SHALL BE RESPONSIBLE FOR CONSTRUCTED IN A MANNER THAT WILL MINIMIZE EROSION. IN THE FOLLOWING MANNER: THE INSTALLATION AND MAINTENANCE OF ALL EROSION SLOPES THAT ARE FOUND TO BE ERODING EXCESSIVELY AND SEDIMENT CONTROL PRACTICES. WITHIN ONE YEAR OF PERMANENT STABILIZATION SHALL BE (1) THE APPLICANT SHALL DEMONSTRATE THAT THE TOTAL PROVIDED WITH ADDITIONAL SLOPE STABILIZING MEASURES DRAINAGE AREA TO THE POINT OF ANALYSIS WITHIN THE 6. AFTER ACHIEVING ADEQUATE STABILIZATION, THE UNTIL THE PROBLEM IS CORRECTED. CHANNEL IS ONE HUNDRED TIMES GREATER THAN THE TEMPORARY E &S CONTROLS WILL BE CLEANED UP AND CONTRIBUTING DRAINAGE AREA OF THE PROJECT IN QUESTION; REMOVED. MS -8. CONCENTRATED RUNOFF SHALL NOT FLOW DOWN CUT OR OR FILL SLOPES UNLESS CONTAINED WITHIN AN ADEQUATE PERMANENT STARTIT7ATTnN TEMPORARY OR PERMANENT CHANNEL,FLUME OR SLOPE (2)(A) NATURAL CHANNELS SHALL BE ANALYZED BY THE USE OF A DRAIN STRUCTURE. TWO -YEAR STORM TO VERIFY THAT STORMWATER WILL NOT ALL AREAS DISTURBED BY CONSTRUCTION SHALL BE OVERTOP CHANNEL BANKS NOR CAUSE EROSION OF CHANNEL STABILIZED WITH PERMANENT SEEDING IMMEDIATELY MS -9. WHENEVER WATER SEEPS FROM A SLOPE FACE, BED OR BANKS. FOLLOWING FINISH GRADING. SEEDING SHALL BE DONE WITH ADEQUATE DRAINAGE OR OTHER PROTECTION SHALL BE KENTUCKY 31 TALL FESCUE ACCORDING TO STD.& SPEC. PROVIDED. (B) ALL PREVIOUSLY CONSTRUCTED MAN -MADE CHANNELS SHALL BE 3.32, PERMANENT SEEDING, OF THE HANDBOOK. EROSION ANALYZED BY THE USE OF A TEN -YEAR STORM TO VERIFY CONTROL BLANKETS WILL BE INSTALLED OVER FILL SLOPES MS- 10.ALL STORM SEWER INLETS THAT ARE MADE OPERABLE THAT STORMWATER WILL NOT OVERTOP ITS BANKS AND BY WHICH HAVE BEEN BROUGHT TO FINAL GRADE AND HAVE DURING CONSTRUCTION SHALL BE PROTECTED SO THAT THE USE OF A TWO -YEAR STORM TO DEMONSTRATE THAT BEEN SEEDED TO PROTECT THE SLOPES FROM RILL AND SEDIMENT -LADEN WATER CANNOT ENTER THE CONVEYANCE STORMWATER WILL NOT CAUSE EROSION OF CHANNEL BED OR GULLY EROSION AND TO ALLOW SEED TO GERMINATE SYSTEM WITHOUT FIRST BEING FILTERED OR OTHERWISE BANKS;ANO PROPERLY. MULCH (STRAW OR FIBER) WILL BE USED ON TREATED TO REMOVE SEDIMENT. RELATIVELY FLAT AREAS. IN ALL SEEDING OPERATIONS, (C) PIPES AND STORM SEWER SYSTEMS SHALL BE ANALYZED BY SEED,FERTILIZER AND LIME WILL BE APPLIED PRIOR TO MS-11. BEFORE NEWLY CONSTRUCTED STORMWATER CONVEYANCE THE >USE OF A TEN -YEAR STORM TO VERIFY THAT MULCHING. CHANNELS OR PIPES ARE MADE OPERATIONAL, ADEQUATE STORMWATER WILL BE CONTAINED WITHIN THE PIPE OR OUTLET PROTECTION AND ANY REQUIRED TEMPORARY OR SYSTEM. STORMWATER MANAMMFNT PERMANENT CHANNEL LINING SHALL BE INSTALLED IN BOTH THE CONVEYANCE CHANNEL AND RECEIVING CHANNEL. C. IF EXISTING NATURAL RECEIVING CHANNELS OR PREVIOUSLY CALCULATION OF RUNOFF BEFORE AND AFTER DEVELOPMENT CONSTRUCTED MAIN -MADE CHANNELS OR 'PIPES ARE NOT INDICATES THAT THERE WILL BE A NET INICREASE IN PEAK MS-12. WHEN WORK IN A LIVE WATERCOURSE IS PERFORMED, ADEQUATE, THE APPPLICANT SHALL: RUNOFF AS A RESULT OF PROJECT DEVELOPMENT. PRECAUTIONS SHALL BE TAKEN TO MINIMIZE ENCROACHMENT, CONSEQUENTLY, MANAGEMENT VOLUME AND (OUTFLOW CONTROL CONTROL SEDIMENT TRANSPORT AND STABILIZE THE WORK (1) IMPROVE THE CHANNELS TO A CONDITION WHERE A TEN -YEAR IS PROVIDED IN THE OVERSIZED STORM DRAIN PIPES. AREA TO THE GREATEST EXTENT POSSIBLE DURING STORM WILL NOT OVERTOP THE BANKS 'AND A TWO -YEAR IN GENERAL, ALL EROSION AND SEDIMENT CONTROL CONSTRUCTION. NONERODIBLE MATERIAL SHALL BE USED FOR STORM WILL NOT CAUSE EROSION TO_THE °CHANNEL BED OR MEASURES WILL BE CHECKED DAILY AND AFTER EACH THE CONSTRUCTION OF CAUSEWAYS AND COFFERDAMS. BANKS;OR SIGNIFICANT RAINFALL. THE FOLLOWING ITEMS WILL BE EARTHEN FILL MAY BE USED FOR THESE STRUCTURES IF CHECKED IN PARTICULAR: ARMORED BY NONERODIBLE COVER MATERIALS. (2) IMPROVE THE PIPE OR PIPE SYSTEM TO A CONDITION WHERE THE TEN -YEAR STORM IS CONTAINED WITHIN THE 1. THE GRAVEL OUTLETS WILL BE CHECKED REGULARLY FOR MS-13. WHEN A LIVE WATERCOURSE MUST BE CROSSED BY APPURTENANCES; i OR SEDIMENT BUILDUP WHICH WILL PREVENT DRAINAGE. IF CONSTRUCTION VEHICLES MORE THAN TWICE -IN ANY THE GRAVEL IS CLOGGED BY SEDIMENT,IT SHALL BE SIX -MONTH PERIOD,A TEMPORARY VEHICULAR STREAM (3) DEVELOP A SITE DESIGN THAT WILL,NOT CAUSE THE REMOVED AND CLEANED OR REPLACED. CROSSING CONSTRUCTED OF NONERODIBLE'MATERIAL SHALL PRE- DEVELOPMENIT PEAK RUNOFF RATE FROM A TWO -YEAR BE PROVIDED. STORM TO INCREASE WHEN RUNOFF OUTFALLS INTO A 2. THE SILT FENCE BARRIER WILL BE CHECKED REGULARLY NATURAL CHANNEL OR WILL NOT CAUSE THE FOR UNDERMINING OR DETERIORATION OF THE FABRIC. MS- 14.ALL APPLICABLE FEDERAL,STATE AND LOCAL REGULATIONS PRE - DEVELOPMENT PEAK RUNOFF RATE fROM A TEN-YEAR SEDIMENT SHALL BE REMOVED WHEN THE LEVEL OF PERTAINING TO WORKING IN OR CROSSING LIVE STORM TO INCREiASE WHEN RUNOFF OUTFALLS INTO A SEDIMENT DEPOSITION REACHES HALF WAY TO THE TOP WATERCOURSES SHALL BE MET. MAN -MADE CHANNEL; OR OF THE BARRIER. MS -15. THE BED AND BANKS OF A WATERCOURSE SHALL BE (4) PROVIDE A COMBINOTION `OF CHANNEL IMPROVEMENT, 3. THE SEEDED AREAS WILL BE CHECKED REGULARLY TO STABILIZED IMMEDIATELY AFTER WORK IN THE WATERCOURSE STORMWATER.;.DETENTION OR OTHER MEASURES WHICH IS ENSURE THAT A GOOD STAND IS MAINTAINED. AREAS IS COMPLETED. SATISFACORY TO THE PLAN - APPROVING AUTHORITY TO SHOULD BE FERTILIZED AND RE- SEEDEID AS NEEDED. PREVENT 'DOWNSTREAM EROSION. MS-16. UNDERGROUND UTILITY LINES SHALL BE INSTALLED IN _ ACCORDANCE WITH THE FOLLOWING STANDARDS IN ADDITION D.THE APPLICANT SHALL PROVIDE EVIDENCE OF PERMISSION TO TO OTHER APPLICABLE CRITERIA: MAKE THE IMPROVEMENTS. FRt ST[lN ANfI SF(ITMFNT C'rINTRCIII IAW ANn A. NO MORE THAN 500 LINEAR FEETf OF TRENCH MAY BE E. ALL HYDROLOGIC ANALYSES SHALL BE BASED ON THE EXISTING RFGI 11 AnnNS 20111 OPENED AT ONE TIME. B.EXCAVATEO MATERIAL SHALL BE WATERSHED CHARACTERISTICS AND THE ULTIMATE 4VAC50- 30 -40. MTNTMI IM STANDABOR PLACED ON THE 'UPHILL SIDE OF TRENCHES. DEVELOPMENT OF' THE SUBJECT PROJECT. AN EROSION AND SEDIMENT CONTROL PROGRiAM ADOPTED BY A C. EFFLUENT FROM DEWATERING OPERATIONS SHALL BE F. IF THE APPLICANT (CHOOSES AN OPTION THAT INCLUDES DISTRICT OR LOCALITY MUST BE CONSISTENT WITH THE FILTERED OR PASSED THROUGH AN APPROVED SEDIMENT STORMWATER DETENTION, HE SHALL OBTAIW APPROVAL FROM FOLLOWING CRITERIA, TECHNIQUES AND METFHODS: TRAPPING DEVICE, OR BOTH, AND DISCHARGED IN A MANNER THE LOCALITY OF A PLAN FOR MAINTENANCE OF THE THAT DOES NOT ADVERSELY AFFECT FLOWING STREAMS OR DETENTION FACIL'.ITIES. THE PLAN SHALL SET FORTH THE MS -1. PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE OFF -SITE PROPERTY. MAINTENANCE REQUIREMENTS OF THE FACILITY AND THE APPLIED TO DENUDED AREAS WITHIN STEVEN DAYS AFTER PERSON RESPONSIBLE FOR PERFORMING THE MAINTENANCE. FINAL GRADE IS REACHED ON ANY PORiTION OF THE SITE. D. MATERIAL USED FOR BACKFILLING TRENCHES SHALL BE TEMPORARY SOIL STABILIZATION SHALIL BE APPLIED.. WITHIN PROPERLY COMPACTED IN ORDER TO MINIMIZE EROSION AND G. OUTFALL FROM A DETENTION FACILITY SHALL BE DISCHARGED SEVEN DAYS TO DENUDED AREAS THAT' MAY NOT BE AT PROMOTE STABILIZATION. TO A RECEIVING (CHANNEL. AND ENERGY DISSIPATORS SHALL FINAL GRADE BUT WILL REMAIN DORMANT FOR LONGER BE PLACED AT TIHE OUTFALL OF ALL DETENTION FACILITIES THAN 30 DAYS. PERMANENT STABILIZATION SHALL BE E. RESTABILIZATION SHALL BE ACCOMPLISHED IN AS NECESSARY TO PROVIDE A STABILIZED TRANSITION FROM APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR ACCORDANCE WITH THESE REGULATIONS.F.APPLICABLE THE FACILITY T01 THE RECEIVING CHANNEL. MORE THAN ONE YEAR. SAFETY REGULATIONS SHALL BE COMPLIED WITH. H. ALL ON -SITE CHANNELS MUST BE VERIFIED TO BE ADEQUATE. MS -2. DURING CONSTRUCTION OF THE PROJECT, SOIL STOCKPILES MS- 17.WHERE CONSTRUCTION VEHICLE ACCESS ROUTES INTERSECT AND BORROW AREAS SHALL BE STABILIIZED OR PROTECTED .PAVED OR PUBLIC ROADS, PROVISIONS SHALL BE MADE TO I. INCREASED VOLUMES OF SHEET FLOWS THAT MAY CAUSE EROSION WITH SEDIMENT TRAPPING MEASURES. TrHE APPLICANT IS MINIMIZE THE TRANSPORT OF SEDIMENT BY VEHICULAR OR SEDIMENTATIOIN ON ADJACENT PROPERTY SHALL BE RESPONSIBLE FOR THE TEMPORARY PROTECTION AND TRACKING ONTO THE PAVED SURFACE. WHERE SEDIMENT IS DIVERTED TO A STABLE OUTLET.AOEQUATE CHANNEL,PIPE OR PERMANENT STABILIZATION OF ALL SOIL STOCKPILES_ON TRANSPORTED ONTO A PAVED OR PUBLIC ROAD SURFACE, THE PIPE SYSTEM,OR TO A DETENTION FACILITY. SITE AS WELL AS BORROW AREAS ANDI SOIL ROAD SURFACE SHALL BE CLEANED THOROUGHLY AT THE INTENTIONALLY TRANSPORTED FROM TFHE PROJECT SITE. END OF EACH DAY. SEDIMENT SHALL BE REMOVED FROM THE ROADS BY SHOVELING OR SWEEPING AND TRANSPORTED TO A MS -3.A PERMANENT VEGETATIVE COVER SHALL BE ESTABLISHED SEDIMENT CONTROL DISPOSAL AREA.STREET WASHING SHALL Dominion - ON DENUDED AREAS NOT OTHERWISE PERMA- NENTLY BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED IN THIS Professional En inset ApproVnl9 STABILIZED. PERMANENT VEGETATION SMALL NOT BE MANNER.THIS PROVISION SHALL APPLY TO INDIVIDUAL CONSIDERED ESTABLISHED UNTIL A GROUND COVER IS DEVELOPMENT LOTS AS WELL AS TO LARGER ACHIEVED THAT IS UNIFORM, MATURE ENOUGH TO SURVIVE LAND - DISTURBING ACTIVITIES. AND WILL INHIBIT EROSION. MS -4. SEDIMENT BASINS AND TRAPS, PERIMEITER DIKES. SEDIMENT BARRIERS 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 LAND DISTURBANCE TAKES PLACE. B/M Assembly Pipe Stand Foundation Cells (Pier) jPipe Stand Foundation Cells (Spread)l Foundation Cells 'for Other Typioal Struotures (Pier) (Spread) REFERENCE SHEET NUMBER 3 OF 10 FOR EROSION & SEDIMENTATION CONTROL DETAILS. Steel Detail & Assembly �4W , H W oiA-li _ CHARL NqE A .H RPEk Lic. NO -03610 9 E 00 NAL J. IN APPLYING THESE STORMWATER MANAGEMENT CRITERIA. INDIVIDUAL LOTS OR PARCELS IN A RESIDENTIAL. COMMERCIAL OR INDUSTRIAL DEVELOPMENT SHALL NOT BE CONSIDERED TO BE SEPARATE DEVELOPMENT PROJECTS. INSTEAD,THE DEVELOPMENT.AS A WHOLE, SHALL BE CONSIDERED TO BE A SINGLE DEVELOPMENT PROJECT. HYDROLOGIC PARAMETERS THAT REFLECT THE ULTIMATE DEVELOPMENT CONDITION SHALL BE USED IN ALL ENGINEERING CALCULATIONS. K. ALL MEASURES USED TO PROTECT PROPERTIES AND WATERWAYS SHALL BE EMPLOYED IN A MANNER WHICH MINIMIZES IMPACTS ON THE PHYSICAL, CHEMICAL AND BIOLOGICAL INTEGRITY OF RIVERS, STREAMS AND OTHER WATERS OF THE STATE. 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 ACTIVITY, AND ONE WEEK PRIOR TO THE FINAL INSPECTION. 2. ALL EROSION 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 REGULATIONS VR 625 -02 -00 EROSION AND SEDIMENT CONTROL REGULATIONS. 3. 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 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 OR 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. IL 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 LIMITED TO THE HOURS OF 7:00AM TO 9:00PM. 15. BORROW, FILL OR WASTE ACTIVITY SHALL BE CONDUCTED IN A SAFE MANNER THAN 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 0 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 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 MULCHIING. SEEDING IS TO BE AT 75 LBS /ACRE, AND IN THE MONTHS OF SEPTEMBER TO FEBRUARY TO CONSIST A 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 T01 BE APPLIED AT 80LBS /100SF.ALTERNATIVES ARE SUBJECT TO APPROVED 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. FERTILIZER SHALL IBE 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 -5% PERENNIAL RYEGRASS OR KENTUCKY BLUEGRASS. STRAW MULCH IS TO BE APPLIED AT 80LBS /100SF. ALTERNATIVES ARE SUBJECT TO APPROVED BY THE COUNTY EROSION CONTROL INSPECTOR. 19. MAINTENANCE :ALL MEASURES ARE TO BE INSPECTED WEEKLY AND AFTER EACH RAINFALL. ANY DAMAGE OR CLOGGING TO STRUCTURAL MEASURES IS TO BE REPAIR 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 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 THE OWNER DOES NOT OBTAIN A PERMIT WITHIN 1 YEAR OF THE DATE OF APPROVAL. (WATER PROTECTION ORDINANCE SECTION 17 -204GJ 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) � EROSION & SEDIMENT CONTROL NOTES, GENERAL NOTES AND NARRATIVE HOLLYMEAD SUBSTATION ALBEMARLE COUNTY VIRGINIA W 7 Name Date Project No. Sheet No. Designed by:, CAH 1/10/13 992310 2 OF 10 » M « M Approvals CAH 1/10/13 Scale Approvals N.T.S B/M No. Revisions a w i 0000 tea° W Cad File Name 0600-078a.dgn Drawing No. 0600-078a v o �o ii E PLOTTED: * * * * * * * * * * *SYTIME n ) i ) a a ) to i a z g m PLANT x .4 +� 175 -200 lbs. - Kentucky 3t or Turf-Type 'Fall Fescue C3 - Improved Perennial Ryegrass U) m a or a.. 0 -5% High- Maintenance Lawn Z U 8115 2to 992310 - Kentucky 31 Fescue CHARACTERISTICS Revisions Ac[e BUSERNAME* to 1992 3.05 SF CONSTRUCTION OF A SILT FENCE (WITHOUT WIRE SUPPORT) 1. SET THE STAKES. 2. EXCAVATE A 4'X 4" TRENCH UPSLOPE ALONG THE LINE OF STAKES. 6-MAX. FLOW r- / III � I „ + ` I{I F� I.,•+ 4„ 3. STAPLE FILTER MATERIAL 4. BACKFILL AND COMPACT TO STAKES AND EXTEND THE EXCAVATED SOIL. IT INTO THE TRENCH. f IT SHEET FLOW INSTALLATION (PERSPECTIVE VIEW) ^ I I POINTS A SHOULD BE HIGHER THAN POINT B. DRAINAGEWAY INSTALLATION (FRONT ELEVATION) Source: Adapted from Installation of Straw and Fabric Filter Barriers for Sediment Control, Sherwood and Wyant III Plate 3.05 -2 1 2 3 4 5 1992 3:;07 (P GRAVEL, AND WIRE MESH DROP INLET SEDIPIE'IV T FIL rl tER 1 "II II0 SEDIMENT SPECIFIC APPLICATION GRAVEL *(12 "MIN. DEPTH) ..o l '--WIRE r,IES-[ FILTERED WATER THIS METHOD OF INLET PROTECTION IS APPLICABLE WHERE HEAVY CONCENTRATED FLOWS ARE EXPECTED, BUT NOT WHERE PONDING AR()IIND, THE STRUCTURE MIGHT CAUSE EXCESSIVE INCONVENIENCE OR DAMAGE TO ADJACENT MT UCTURES AND UNPROTECTED, AREAS. GRAVEL SHALL BE VD. QT #3, #357 OR #5 COARSE` AGGRE(;ATE. Source: Va. DSWC 1902 111736 Plate 3.017 -2 3,36 TYPICAL TREATMENT I (,fit OIL STABILIZATION BLANICE T) INSTALLATION CRITERIA B/M _ ANCHOR SLOT NOTEs AP PROXIMATELY 2C0 STAPLES REQUIRED PER :'100 SQ. YDS. OF MATER4tL. ROLL. ANCHOR 5L0TS, JUNCTON SLOTS' CHECK SLOTS 170 BE. BURIED 6' TO le. I2" MAX. 4:1,QR FLATTER Ir MAX. STEEPER THAN 4:1 JUNCTION SLOT ,��� 1 EDGE AND ENDJOIPTtS. CHECK SLOT ` TO BE SNUGLY , ABUTTED (JUTE MESH WILL HAVE, t I TERMINAL FOLD STAPLED LA JOINT IN ) I 1 LAP JOINT 2' MIN. I I II 1 TAMP FIRMLY (JUTE MESti'rONLY) I 1 I ANCHQR SLOT I i .s{ ----- 5' MAX. 4:1 OR FLATTER 3' MO. STEEPER THAN 4 :1 Er 2 TO W* I I z' TAMP CHECK SLOT 1 1' T4 x FRMLY �r — VAtt VAR. TO 1x iV TO e' MIN. PLAN VIEW I INN STAPLING DIAGRAM STAPLE FORMED FROM NQ.11 STEEL WIRE. t5HECK SLOTS SO' C —C INTERR VALS;[. fl - STAPLE MIN. LENOTH FOR SANDY SOIL 1`107. RE9.'O WITH ALL, G STAPLE MIN. LENGTH FOR OTHER SOIL: •ICOMBINATION7 BtANKETS1, JUNCTION, SLOE rr -- TAMP- TERMINAL FOLD. FIRMLY �y 5' TO 1z ...TAMP FIRMLY Z; Source: VDOT Road and <Brid 'ge Standards 111-362 Plate 336 -2 7 8 9 10 11 12 1992 3.18 OP PIPE OUTLET CONDITIONS A „ A 'IPE OUTLET TO FLAT ,REA WITH NO DEFINED 'HANNEL 0 % d I SECTION A -A FILTER CLOTH KEY IN 6 - -9 -; RECOMMENDED FOR ENTIRE PERIMETER A ado (MIN.) I 1 d- , PIPE OUTLET TO WELL • DEFINED CHANNEL PLAN VIEW <-- L a t i 0 % —> . 1 1 —1 d SECTION A -A FILTER CLOTH KEY IN 6 " -9 RECOMMENDED FOR ENTIRE PERIMETER NOTES: 1. APRON LINING OR BE RIPRAP, GROUTED RIPRAP, GABION BASKET, OR CONCRETE. 2. La IS THE LENGTH OF THE RIPRAP APRON AS CALCULATED USING PLATES 3.18 -3 AND 3.18 -4. 3. d = 1.5 TIMES THE MAXIMUM STONE DIAMETER, BUT NOT LESS THAN 6 INCHES. Source: Va. DSWC Plate 3.18 -1 1992 3.38 /wLWt CORRECT TRUNK ARMORING` TRIANGULAR BOARD FENCE Source: Va. DSWC Plate 3:38 -2, 111-401 TOTAL LAND DISTURBANCE = 17.633 S.F. Typical Dr-awing Library Location Cell Name B/M Assembly Pipe Stand Foundation Cells (Pier) jPipe Stand Foundation Cells (Spread)l Foundation Cells for Other Typioal Struotures Steel Detail & Assembly Inf or-motion (Pier) I (Spread) 1`J 00 m TABLE 3.31 -C T S TEMPORARY SEEDING PLANT MATERIALS, SEEDING RATES, AND DATES 1992 3.32 TABLE 132 -D PS SEEDING RATE: NORTHa SOUTHb Total Lbs. PLANT Minimum Care Lawn HOLLYMEAD SUBSTATION ='Cgtt rnercial oc Residential 175 -200 lbs. - Kentucky 3t or Turf-Type 'Fall Fescue 95 -100% - Improved Perennial Ryegrass 0 -59o' SPECIES 0 -5% High- Maintenance Lawn 3o 511 8115 2to 992310 - Kentucky 31 Fescue CHARACTERISTICS - Red Top Grass` Ac[e 1000 ft- to to to to 15/19/1 to 108 lbs, - Red Tap Grass 2 lbs. - Seasonal Nuise Crop * 4/36 8 /i5 11/1 4130 150 lbs. 1115 February 16th through April ..... OATS 3 by. (up to too ibs.; 2 lbs. X - - X - - Use spring varieties (e.g., Noble). Avena saliva not less than 50 lbs.) seed must be properly inoculated. Weeping Lovegrass may be.added to any slope: or low- rhaintenance mix during warmer seeding periods; add 10 -20 lbs. /acre in mixes. RYES 2 by. (up to 110 lbs.,: 2.5 lbs. X X X - X Use for late fall seediags, winter Secala cereal. not less than 50 lbs.) cover: Tolerates cold and low moisture. GE MILLE I1 S0 lbs. approx. T lb. - X - X - Warm - season annual. Dies at first (tMAN taria italics frost, May be added to summer mixes. ANNUAL RY6GRASS` 60 lbs. Ph lbs. X X X - X May be added in mixes. Will Loliutn multi- tlorum) mow;out of most stands. WEEPING' 15 lbs. 51h ozs. - X X - Warm - season perennial. May LOVEGRASS bunch. Tolerates hot, dry slopes Era rostis curvula and acid, infertile soils. May added to mixes. KOREAN 25, tbs, approx. t 1 X X X X - Warm season annual legume. LEISPEDEW lbs. Tolerates acid soils. May be Las eza sti ulacea added to mixes. a Northern Piedmont and Mountain, region. See Plates 3.22 -1 and 3,22 -2. b Southern Piedmont and Coastal Plain, e May be used as a cover crop with spring seeding. d May be used as a cover crop with fall seeding. X May be plan 'ted between these, dates. - May not be planted between• these dates. 1992 3.32 TABLE 132 -D PS SITE SPECIFIC SEEDING MIXTURES FOR PIEDMONT AREA Total Lbs. Per Acre Minimum Care Lawn HOLLYMEAD SUBSTATION ='Cgtt rnercial oc Residential 175 -200 lbs. - Kentucky 3t or Turf-Type 'Fall Fescue 95 -100% - Improved Perennial Ryegrass 0 -59o' - Kentucky Bluegrass 0 -5% High- Maintenance Lawn 200 -250 lbs. - Kentucky 31 or "Turf -Type Tall Fescue 100% General Slope (3:1 or less) 992310 - Kentucky 31 Fescue 128 lbs. - Red Top Grass` 2 lbs. - $Pason 1, Wse;`Crop * 20 1`130. Approvals 150 lbs. Low- Maintenance Slope '(Steeper than 3:1) N.T.S. - Kentucky 31 Fescue 108 lbs, - Red Tap Grass 2 lbs. - Seasonal Nuise Crop * 20 lbs. - Crownvetch # * 20 lbs. 150 lbs. * `Use seasonal nurse crop in accordance with seeding dates as stated below: February 16th through April ..... Annual Rye May 1st through August 15th ..................... Foxtail Miller August 16th through October . .. ........... . . ........ Artnuat Rye November through February 15th ................... Winter Rye ** Substitute Sericea• lespedeza for Crownvetch east of Farmville, Va. (May through September use liulled Sericea", all other periods, use unhulled Sericea). If Flatpea is use([ in lieu of Crownvetch, increase rate to 30 lbs. /acre. All legume seed must be properly inoculated. Weeping Lovegrass may be.added to any slope: or low- rhaintenance mix during warmer seeding periods; add 10 -20 lbs. /acre in mixes. Dominion- Approval ALT!,[ tII CHARL tvE A H, RPER Lic. No .gaily; g 111 - 303 4,1 W C _U 6 o' m m m cn "Dominion" EROSION & SEDIMENT CONTROL CONSTRUCTION DETAILS HOLLYMEAD SUBSTATION ALBEMARLE COUNTY, VIRGINIA Name Date Project No. Sheet No. N Designed by* CAH 1/10/13 992310 3 OF 1 40 M M Approvals CAH 1/10/13 Scale Approvals N.T.S. B/M No. Revisions « w 0000 Cad File Name 0600079a.dgn Drawiing No. 0600-079 v ~o .a CL PLOTTED: it3ltl******SYTIME C _U 6 o' m m m cn 4 O 1° z x x 0 I I 1 -I I I I I 1 I I I I I I I I I I 1 1 1 1 I I I I- I- I- I - 1IIIIIIIIIIIII fit 0 1 2 3 4 5 1 7 8 9 10 11 12 SEQUENCE OF CONSTRUCTION 1. CONTACT ALBERMARLE PUBLIC WORKS AT 434 -296 -5832 AND DOMINION POWER FOR PRE - CONSTRUCTION CONFERENCE AT A MINIMUM x x x x x x x x x OF 48 HOURS PRIOR TO BEGINNING SITE DISTURBANCE. MARK ALL UNDERGROUND UTILITIES PRIOR TO CONSTRUCTION. 2. INSTALL PERIMETER SILT FENCE AND INLET PROTECTION. x 3. BEGIN DEMOLITION AND SITE WORK. DO NOT REMOVE EXISTING INLET AND PIPE UNTIL PREPARED TO INSTALL MANHOLE 3. O roc= 500.15 NOTE roc= ❑ POWER POLE 500.09 "" - •- ° -- - -- •. EXISTING GRAVEL ACCESS ROAD AND SUBSTATION WILL FUNCTION AS i VP NB98 x HOLL YMEAD SUBST, TInAl Toc= x 8' CHAIN LINK FENCE THE STABLIZED CONSTRUCTION ENTRANCE. VIRGINIA ELECTRIC & POWER COMPANY TOC= 500.11U 8' CHAIN LINK FENCE 500.1 o EROSION AND SEDIMENTATION CONTROL LEGEND - VIRGINIA _ - PARCEL ID: 03200 -00 -00 -03700 � ROD & O/H ELECTRIC�j _ _ DB. 728, PG. 100 Z CAP SET i ZONED: R -I W �W ------------ ----- -- - --- - `soQ �o N0. KEY SYMBOL TITLE (TYPICAL) I - - -- _ - -- - -- _ - - - -- ------- - - - - -- -- - - - - -- \ FENCE- - _ _ r - - - - - _ r _ 11 3.05 SF X X X- SILT FENCE - - _ GATE EQUIPMENT ACCESS PATH Z I +t4g9 ` x GUY ANCHOR- _ _ _ _ _ POWER POLE.. \� PICAL - -- - -. ---------------------- - - - - -- ----------- --------------------- ___- - - - - -- _- -` `,` i. \ 3.07 IP STORM DRAIN INLET --- ) ' . r CABLE - `t Z f • ° PROTECTION VP NB97 \: - `° `� i TROUGH ; roc= roc= `. �� • ° . ° lo - Qp 499.60 499.56 ' ;coN Ro - - - - -- -- `\�. � r,,.•°' 3.18 OP OUTLET PROTECTION li • r - - - - - -- I POST r HOUSE i - - - - -- L/MIrS OF� ,.•'' TOC� i J I x i i TOC= F.F. EL.11 499.05 TOC= TOC= `\ �` x , RAVEL I , • r• 3.31 TS Ts TEMPORARY SEEDING 499.07 i I R• ., O " .. PO R POL .I �I 499.59 49980�j GRAVEL 499.40 NpUC�O •„ r,r' QTY 265 LF 2 EA 1 EA VP NB /"� \; ' y it o roc= `�� i W ° of N c0 TOR° r • ° • ® 3.38 TP -`P TREE PRESERVATION 41 LF l TELEPHONE , 498.57 1 I I . �Gr AND PROTECTION I PEDESTAL ► p _ Q TOC= TOC= - t • I GOND° • r TOC= 98.6 T i LOPOWER, -POLE 1+ ,� X98 _--­----- _ _ _ 498.62 0 O4 0 TOC= 498.58 0 O 0 498.57 I • o� �l N° • r ° • r LOD LIMITS OF DISTURBANCE 17,633 S.F. _• ._ O 498.63 i x I{ loo. I •r• VP N ^ _- -- - - -- -- - -- - - - -• -• - - - - - -- OVE H t 866' \�, x V _ R EA - - r, E¢EC. GOES U' i 1 \� ��_ _ _ _ _ _ .. TOC- TOC- LIGHT i •' • , / ++ TOC= _ ' I , r r % l \` 498.62 TOC= TOC= TOC= i . --' f • i I ✓'' • I OGTO ✓ �� 498.39 ❑ O O 498.59 497.99 I O 498.61 O 498.60 -- _ r w 0N0 ROD & ROD & • ° • ,,, • -'' i 0/N G SUBSTATION BASELINE T G CAP SET I ' °' �' I ' • r 498.59 CAP SETS { r ' A • , . + / ` O roc= roc= 80.00' roc= , I I NOTES. % S73 04 48 E . 80.00 Q roc= r % / 4 x ��` � � CAP � T - - - - 49-7-78 -- -497: 7T TOC 497.31 .30 i i 1 . ROD C •L• ` ' ' 497 ' AP ROX1" E 'LOCATION 1. HORIZONTAL DATUM IS BASED ON NAD 83 (VIRGINIA SOUTH ZONE). �� _ Q O TOC= TOC =Q 49731 TOC =� i GUY ANCHOR l --II �� G R A V E L TOC= 0 497.29 CxR NDING MAT `` ` ` 49731 O 497.31 497.29 _r• , I w 2. VERTICAL DATUM IS BASED UPON A BRASS DISC STAMPED "11A, POWER'; (TYPICAL) % \ :{ I �3 �` O .�,r i i•!• / yy &9 ` r ' ' I • , I FOUND IN THE NORTHWEST CORNER OF A TRANSFORMER PAD MARKED \ y + `� `. INTERSECTION TOC= roc= i ' J• I O TOC= O roc= BA . WITH AN ELEVATION OF 499. 7. B / \ i; h TOC= � � N 3934015.8 497.32 497.30 497.28 497.29 STRUCTURE t' J-' •X• \ I O [BENCHMARK 1) / • r' 8 CHAINLINK 497.50 �, E. 11501952.40 11205415$3�� r ; I TO REMAIN I J. CONTOUR INTERVAL = 1 FOOT. ILIMgTS OF- - -q�-- ------------- -- Q - - - -- - -- \ .\� - _ _ ,r'r �• i i � :�..•, GRAVEL- _ y _ _ TOC= roc - o roc= roc - Q roc- o • r , �g6 . �' SOO 4. PROPERTY ADDRESS. 3317 WORTH CROSSING. M l X -E D ! ( - E - - -� 497,46 `. 497.31 497.31 49728 497.30 i I� ROD & �' �� 5. EX /STING SITE ZONING /S R -1 ( ALBEMARLE COUNTY G /S). 8' CHAINL1 K I' _ `. " ` - CAP SET �j , . �¢ i roc- _ _ v 6. GROUND SPOT ELEVATIONS INSIDE THE SUBSTATION FENCE WERE TAKEN A TO REMAIN -- -- E - -- ®49749 �` ---------------- - - - - -- -- --- - - - - -- -- _- _ - - - -- x i I � x ` , � I REMOVE 8 AT DIRT GRADE. % fit'' REMOVE 8' EQUIPMENT' ACCESS PATH CHAINL NK CHAINLINK FENCE `- e, FENCE- _W '� ,1 I Z NOT ALL SUBSTATION COMPONENTS SHOWN. r=-8' CHAIN LINK FENCE - - - - - - 0� - - I I C - - -- -- ------- - - - - -- - - - - -- LO - - -- -- 8. THIS SITE IS LOCATED IN ZONE X (AREAS DETERMINED TO BE OUTSIDE f- f- f- f-f-il �f-� f= /�%�i�f�ie�ir-�c.: i�� -ic c=f I�f-f- /xl�i�i�i�i�- -f-jC -ice j�-% fif-f- i��i�ic- i`- ;�C- f= i� -i�i�? i�iY i--f -i f-f -/of=f ' I THE 0.29- ANNUAL CHANCE FLOODPLA /N) PER THE FEDERAL EMERGENCY i ®o 4 » TREE + �� ' ='_.`= V�" °_-- �:. -GM --- - - - - -- �M_- _- ==---- - - --GM - -- ; MANAGEMENT AGENCY FEMA , FLOOD INSURANCE RATE MAP PANEL -�'' - -- �M - - -- - - - - -�M ---- - - - - -- �M - - - - -- H �� i.✓ °' k9 - BYOB TE -'' .F-8" TREE ' I ( ) 1 TREE IR' 8 „ TREE y w 2 51003C0145D, EFFECTIVE DATE. FEBRUARY 4, 2005. \ , -------------------------------- - - - - -- - - - - - -= - -- L: 492.62 _ ___ -------- - - - - -_ REMOVE - --I ------------ REMOVE 9 EDGE OF �� ! - REMQVE WOODS \, ` r 1 -' J AVERAGE DEPTH OF GRAVEL IN SUBSTATION SITE IS 4" 10. UNDERGROUND UTILITIES ARE NOT SHOWN. CONTRACTOR SHALL VERIFY \ r 12 TREE X _ TS ��i 485.48 � (TYPICAL) •�: - - - -- ------ -- �- - - - - -- -A REMOVE 12" RCP 4 `"• �- ,-... GRAVEL TYPICAL 6 ~°- -REMOVE �_ _ g �G DEPTH, TYPE, A LOCATION ALL UNDERGROUND UTILITIES PR /OR' TO ...... � °' � � A• 5 ANY CONSTRUCTION: -- _ -- - -- `- _ _ _ ,pry �� . � _ ® -°.- ---•. � ,.. 9 \ _ - r _ _ . _ _ .. _ "--- ................. --- _ _ - 11. FIELD WORK PERFORMED BY BURGESS & NIPLE, INC. NOVEMBER 2, o EL FR \ �.. \ TRA,p SFORMER E \ \� \ \ \-��\ \ \\ �\ . \.. \\ J ... ------ - - - - -- T 2012. \ \\ X. \ \ \�_ • ,, � ,,' ; ' `\ ,•'� �„ :`'�"' . , . • - \_ \\ _ \ ,� _ - - • - _ --, -... -„„ • _ _ _ - - • ' ' - - - 12. IVES SHOWN HEREON ARE BASED UPON FIELD FOUND -'' PROPERTY L viv MONUMENTATION, REFERENCED DEES AND PLATS. - 13. APPROXIMATE UNDERGROUND UTILITIES LOCATED PER ACCUMARK DATED SF -- / �- -yam \ \ \�- � \: - - _ - TP - - - - - -- -- - - - - -- _.. / \,.. '�. i. \ �\ EDGE of - - - - - -- 03/13/13, \\ \'007 ` CRITICAL SCORES. _ (>25%) e WOODS RE ALBEMARLE COUNTY G.1:S: L, s Y2007,'CRIT AL SLOPES''( >25X)r1'� (� _CENTERLINE g ;REF: ALBEMPRLE ,COUNTY G.I.S. RIP-RAP- DITCH �^��` k j � - - - . • _ ,mss' ° \. \` 6 LEGEND.• 490 f - PROPERTY LINE BASELINE ,° o ,i,,i�� t •, \ - CENTER LIFE X E'' MIXED - _ / 6 •W 0 © D S'' / / 1 ` EDGE OF CY\ �\ \\� \\ W 0 D' D- S BENCHMARKS. R/W = R /GHT -OF- AY W000s -ADJUST SILT FENCE.-TO AVOID W + / TEL'EPH�NE „ / -�' "- i , -� ���, \`\ a EXISTING .ELECTRICAL LINE .AS BRASS DISC STAMPED "VA. POWER" TOC = TOP OF CONCRETE ELEVATION PEDYT�sTAL �''1p I " I. ► 1 `~ ® � \� °' DED. CONTACT ENGINEER = '�' '� \` j NORTHWEST CORNER OF TRANSFORMER PAD F.F. FIN /SHED FLOOR ELEVATION 05p9 I I -LIMITS of `'�,.� S� \,\ IF TER THAN 2 ADJUSTMENT ROD F d. oN 120 RIP -RAP -�s3 j NEED ® T U/G = UNDERGROUND / '��\ .,, ELEVATION 499.07 RCP REINFORCED CONCRETE PIPE 10' DRIINAGE,'EASEMENT 1 ) �. .9,g; -�F ¢B - ' ! P.B. 728 ; PG. 100 �. ►' '�, S DIP DUCTILE IRON PIPE �`�' 2 T.B.M. - SPIKE NAIL SET IN POST ctii / \ . - \ {`. IN 1/. INVERT '1 \� ELEVATION = 500.37 -b SPOT ELEVATION (AT DIRT GRADE) INS! . _E_L, - - '� . ' • ' �hryi Dc�' 475. 14 IN V. EL I 475.01 � ` g Dominion- 12 DIP'[2]-- �1•' ' .-- - "' -•, ``� -_ \ Prof assional Engineer :;'IrDominiolif TOP OF WATER h \ Appr ar85J 473.0 q _ 'ter 'ROQ"'Fd. / , -'' , -' ..--'� ��� T` CT T�'9 /� �`,` •.' `�..,, \� ���:�.�� EXISTING CONDITIONS PHASE =� BUNT / ' '' L A K E ��'� �'F� ' X80 t� o.0.� & E I a,E :- < , .� p� 5 ' .r, EROSION & SEDIMENT CONTROL PLAN .1.� . INV. EL 5 �., `` O •,�, L s�� - ° -� =, +, ,- 473.97 FOREST LAKES COMMUNITY ASSOCIATION INC. \' "� H O L L Y M E A D SUBSTATION s C E -'�� 59.9 i'�/ ;/ IN EL. PARCEL ID: 046'B4- 00- 00 -000A0 +.`.;' �° r A MAR COUNTY, Roo Fd. LBE LE COUN ,VIRGINIA �� °i D. B. 1304 PG. 346 . �' .'C AR NE A. LEPEE�; o_ ` BENT Name Date Project No. Sheet No. m '� TL' ,r'' /' �%' /, 473.92 ZONED: R-- 1 EDGE WA ` ( ) pd Lic. No Q36Q. 9 L _P 0 0 /' EDGE OF' m o r WOODS �,''/ Designed by: CAH 1/10/13 992310 o L /, / cry', ` Approvals CAH 1/10/13 Scale 4 OF 10 i'z✓ 20 0 20 40 I Approvals 1 " =20 EDGE OF / , /' ,'' WATER -� A B/M No. Revisions Revisions �' ��,� scv I e feiet 0000 Typical Drawing Library Location Cell Name B/M Assembly Pipe Stand Foundation Cells (Pier) Pipe Stand Foundation Cells (Spread) Foundation Cells for Other Typioal Struotures Steel Detail & Assembly Cad File Name 0600080a.dgn Drawing No. AME, Information (Pier) I (Spread) PLOTTED: $*"**t * *taSYTIME 0600 -080 W rs a M M M w M C M W 0115 W V t- L.o ii • • 1 2 3 4 5 7 8 x x x x x x x x x x x ------ - -- ---- POWER POLE I VP N398 x I 8' CHAIN LINK FENCE O/H ELECTRIC —­j (TYPICAL) �F E CAT- _ GUY ANCHOR E ( SYPICAL) POWER POLE- VP N39 O 1. , POST ' x P R POL, �% SOS VP N9 X4,A% , 1 TELEPHONE PEDESTAL y WPOWER_ P&E _4 VP NB6 ; x r E!/EC. GOES U, /CSI I T \�` _ _ _ _ _ St Ifi S7. + ' I, T GUY ANCHOR TYPICAL O LO - ORAVEL _ M I X:E D I 1 1-- M W I E \ 3.94+! GRAVEL' ' OUTSIDE o \ .OF .FENCE PROPOS + I GRAVEL r` EDGE OF WOODS • . ;.'.'.'.'.'.'.'. \ ' ...'.'..'. O _ �ir�i i:.•.ti ii GRAS /ED ALE" \ " EL r�r; / \ TRAP saRME =g '000 j BOT c � 9 - TIE ES`TI Z CENTERLINE X95 / RIP- RAP - DITCH, r j M,'l X E' 0 �i WOOD S, - �- /�`a9 � 'rte /,.''��'� ► •i �____- - - - - -- r / TEG Y z / ,6ED,,15TAL �'' X01 %,' ►. 1 1 00 �, / N84 p5o9, �' .� Z:/"/ T5 of aW 125. ► ' � 4x / i �� N ¢ nw.. w k9o' / /' � 10' DR�INAGE.' EASEMENT- �' 1 U w m w / iJ B. 728 :PG. 100 1' 1011 rl N MOO / / °� �'' �h`�i ��1 INV. EL. 1N1� ..EL: U / "1 475.01 . - - -- , ' / , r % / 475.14 , L0 n- m H¢f �'� i'' °RODS Fd. ,'' �,, ✓./ `\` w w o `r rE U cr0U i- X1,4 ° /� k�5 �'� /Or INV. EL. L 084.5 88' r, / +, 473.97 m i c y9, r' a +� 'A, /� IN V. EL. M z m `TL'. / i'' 473, 92 q m �� EDGE m O F in 0 m o Q WOODS m ° z U /,�;r• EDGE OF Revisions / Pi, WATER Typical Dt-aiwingli Library Looation Cell Name B/M Assembly Pipe Stand Foundation Cells (Pier) Pipe Stand Foundation Cells *USERNAMEO Inf ormation 0 x x 10 11 12 f� 8' CHAIN LINK FENCE x SEQUENCE OF CONSTRUCTION 1. COMPLETE SITEWORK OPERATIONS. 2. INSTALL PERMANENT STABLIZATION. 3. WITH APPROVAL OF VIRGINIA DOMINION POWER AND ALBEMARLE COUNTY, REMOVE EROSION AND SEDIMENT CONTROLS. NOTE EXISTING GRAVEL ACCESS ROAD AND SUBSTATION WILL FUNCTION AS THE STABLIZED CONSTRUCTION ENTRANCE. CONTRACTOR SHALL INSTALL ADDITIONAL CLEAN STONE TO A TOTAL OF4" WHERE EVIDENCE OF SOIL IS SHOWING IN THE YARD. ` x i ` ( EROSION AND SEDIMENTATION CONTROL LEGEND - VIRGINIA x.56 r ° TITLE QTY \_�` ;\ \'L.IMITS OF � .• -'�•r. •,,. -°••�' N0. KEY SYMBOL ------- - - - - -- x (GRAVEL ' o • SILT FENCE 265 LF \ i j I TpR ✓ • . -- r • 3.05 SF X X X— `� `�� ; i W r o�N �TORr •' r , r'' 3.07 IP STORM DRAIN INLET 2 EA roc= 498.57 x -I• .--'' 4 SO{L STABILIZATION 0 OVERHEAD, i • •�„ �. r, r'' • • 3.36 % _ • -- __ LIGHT TR °R i •ri v• i, j � r•r. �Q� •r• T.1 TRT.Z BLANKETS &MATTING 500 SF , I C TREE PRESERVATION 41 LF y �i i i �.r•r''� j 0/Nr 3.38 AND PROTECTION A roc= , • �' I i 497, 3 LOD LIMITS OF DISTURBANCE 17,633 S.F r• i i � I •'�, ;, r W T BACKS ( ,'''.'" LEGEND 9 STRUC 1 20541 , ; I �� j GRASSED SWALE SYMBOL DESCRIPTION +�9 j ��o 21A COMPACTED GRAVEL CAUTION - !OVERH x I I 57 STONE UNCOMPACTED GRAVEL ,ONES IN W;0 '-EA 495 ---------------- Y Y' - Y, V.Y r v r- r Y. r r r r r -+�.yr u�.( 1 17,f-.V I - :_y - _ - - SEDGE of PROPOSED WOODS FENCE PROPOSED WALL B/M _TRE�ELINE EXISTWG TO -- BE_ SAVED'`._ 490 + EDGE 'OF ~•'�,,` `�` \ �. \ W 0 O D. S W0005 \ - - - -- , F WATER 473.0 = AS�'/�a `\ _ •�`•�/ PL �� , U.0. i -) vv- /_ C2. J'tQ ZONED.' R— I Foundation Cells for Other Typical Structures Steel Detail & Assembly (Pier) I (Spread) t-t DRAINAGE DESCRIPTIONS D VDOT DI -5 REQ'D. TOP - 493.90', INV. (OUT) - 488.90' 35 L.F. 36" PIPE REQ'D. INV. (IN) - 488.90' INV. (OUT) - 488.50' Q 9.54 V.F. MH -1 MANHOLE REQ'D. TOP - 494.14' INV. (IN) FROM 2 - 488.50' INV. (IN) FROM 6 - 488.50' INV. (OUT) - 484.60' 9" ORIFICE PLATE AT UPPER INVERT FOR 12" PIPE ST'D. IS -1 INLET SHAPING REQ'D. CD VDOT DI -5 REQ'D. TOP - 493.90' INV. (OUT) - 488.90' CD 82 L.F. 36" PIPE REQ'D. INV. (IN) - 488.90' INV. (OUT) - 488.50' O 12 L.F. 12" PIPE REQ'D. INV. (IN) - 484.60' INV. (OUT) - 484.11' 20 0 20 40 SCa I e feel' Dominion- iiiMb Professional Engineer Approval l ' Fruominion® SITE, GRADING, AND DRAINAGE PLAN & PHASE II EROSION & SEDIMENT CONTROL PLAN HOLLYMEAD SUBSTATION Li ALBEMARLE COUNTY, VIRGINIA RLE A, H PER Name Date Project No. Sheet No. vii Lic. No. 0360 M Designed by., CAH 1/10/13 992310 M �`1 Z3.•�3�4w Approvals CAH 1/10/13 Scale 5 OF ltoo �s',sjo 1 royals 1' =20 M C pM1� 1♦�� ►�� B/M No. Revisions 0000 v w Z 00 Cad File Name 0600081a.dgn Drawing No. v o LU m PLOTTED: **felt* * ***SYTIME 0600 -081 _6 a « m Revisions •USERNAMEt NOTES: 1. EXISTING TREE CANOPY COVER EXCEEDS 10%. 2. EXISTING TREES ARE ADEQUATETO MEET SCREENING REQUI EMENT-S-- x x 0 I I a C 0 a x x x x i x x x , B. 728 100 U O ,C W 0 o O Z U Revisions •USERNAMEt NOTES: 1. EXISTING TREE CANOPY COVER EXCEEDS 10%. 2. EXISTING TREES ARE ADEQUATETO MEET SCREENING REQUI EMENT-S-- x x 0 I I 1 I I I I I 5 x x - I- 3 I I I I 4 I I I I I 5 I I I I 1 I fit 7 x CQN7RACT PU[tCEIAS�tS1Crt�iUG x x x , 9 10 x x 11 12 EROSION AND SEDIMENTATION CONTROL LEGEND - VIRGINIA NO. KEY SYMBOL TITLE 3.05 SF X X X-- SILT FENCE STORM DRAIN INLET o roc= 3.07 IP PROTECTION TOC= 500.15 500.09 QTY 265 LF 2 EA - -- -•-- POWER POLE VP NB98 x ROLL )MEAD SUBS 7-A RON roc= 8' CHAIN LINK FENCE 3.32 PS Ps �- PERMANENT SEEDING 5,709 S.F. J VIRGINIA ELECTRIC do POWER COMPANY TOC= 500.11U x ' 8' CHAIN LINK FENCE 500.10 a SOIL STABILIZATION PARCEL ID: D3200- 00- 00 -D370D W ROD & 4 4 oR ,�. O/H ELECTRIC - - _ DB. 728, PG. 100 v CAP SET i pro 3.36 % �""� TRT.2 BLANKETS & MATTING 500 SF (TYPICAL) J - - - "- ______ ----------------------- ZONED. R -1 -- -------- - - - - -W ---__--------------------------- _ � �� I � p TRT.1 i FENCE -------N` GATE EQUIPMENT ACCESS PATH 2 +�9 `. x 3.38 TP GUY ANCHOR �� POWER POLE- (TYPICAL) _ i --------------------- - - - - -- ------ - - - - -- i� .�_- __- _-- __-------- - - - - -- �` I --- . Q # VP N397' \� - _ . `' I i T CABLE ROUGH O TOC = TOC= I --• \� _ ®` 0 2 ! �.. - 499.60 0 499.56 ��� ��, i .',� '.'- ,�•'�•• \ ! 1 Ye \� I POST !._..._- 1 .......... -- HOUSE I -- - - - - -- �A. LIMITS QF ' °•,�. `' -�,,° I O x i i TOC= r 'i 499.05 TOC= TOC= �� , x i GRAVED PO R POL t 1 i 499.59 i 499.80/1 499.07 G R A V E L 499.40 �� i I LD1-Dp •'° °, ° oJ\ # VP NB'74 t 1 t J_G �� t 0�N •'�• •�,,.�• - °,. '`-1. -.� •° ♦s `.\ o roc= �� DUDTpR,, ♦� - TELEPHONE 1 , 498.57 t , fl PEDESTAL I �� S 0 TOC= o�p roc= - TOC= TOC= �pN 98.6 ♦1' " POWER - POLE I �� �� f • .. ... ... ... 498.62 0 498.63 498.58 498.57 t t x , • ° ;. - •' ° . ® •' , ,,, . VP NB66 7\ a --- - ----- ---- ••-•-•-- • -- •--- •- - - - - -- OVERHEAD; I ' , °• ° x � r EL EC: GOES U, %� \; t ��- - �e TOC= LIGHT t I , ,. • ° • ' ° TO 498.62 TOC= TOC= TOC= TOC= i - • ' f I ' ,, - ° , ° • UC��i , ° 498.39 0 0 498.59 4;97.99 / 498.61 0 498.60 �DND , ROD & ROD & ° , •• • ° , t ° % •i'' i 0 %Ni . / 1 SUBSTAT/ON QASELlNE 498 59 CAP SET CAP SET_\A t I I ° " ••- X025 A - - _-TOC= t A °• °• + / : I S73'04 48IE . 80.00 0 Toe= TOC= 80.00 roc- I , 497 7 77 ' ' - ROD & 8 49T ' 49-7_3j = + L • I ° /. i x �\ ��\ CAP SET TOC= 497.30 i ° t i '� / t _ (� 0 TOC= roc= 0 497.31 TOC= 0 y''' • t GUY ANCtI, / �\ G R A V E L TOC- O t 3 49729 49729 497 31 49731 • I .+,, (TYPICAL) ••� �• . ° , I • ° �, II + roc= ` I ° \ !� INTERSECTION roc= TOC: roc= BACKBONE It TOC= `> N. 3934015.8 0 497.32 0 497..30 497.280 049729 STRUCTURE'1 u. x 497.504 �` E.• 11501952.40 J2054158,3 • y r'' , i \ \ LIMITS OF= � . ------- - - ---- ...... - -• -- - - M l X : E D GRAVEL n TOC= ` TOC- 0 ®TOC- TOC- 0 TOC= O '' - �g6 S00 n 49746 49731 497.31 497.28 49730 j - r , + % n ' W 0,6 D S n ROD & r1 w��- / n _ CAP SET ' : , - , TOC= --------------------- - - - - -- - - n x 497.49 . � .: r „ • ' `_ �' EQUIPMENT ACCESS rt y r ' 0 -- - - -- - - - - - -- -- - - -- ---- - - - -,- -496 - __ I . L 0 Q11 k9g' i „r r . 4 " TREE ° ~ + u 0 °-- -_- A w r �- 12' TREE �' -8 TREE O� r I q O O 8 TREE EDGE OF�� I---- 7- --- .- „--- .- •-- -. -7 :7 7.-- -..-.-. :-- ...- ..-...- ....--...- ....... 7-- ........ -.- - - - ....- .- ....- ....... „ - -- - - -- - � WOODS................... .............. ............................... .......... ,;...... ................... y >.: jRE tJM�7S.'.Of r......................... .6' ................ ............................... ......................�:,. .._....... ..............................' GRAVEL•'.................. . ........................................... ............................... .........�'_.i.:. ;r,:. .... ............................... . • - ....:...:: . ,'_ .........' : ' " ' ........ ; ............. .................... ... -°- :.......................... ............................... . - -- ::._. .5 / ... .. .,,�. ..... ............................... . ................ , :........:: .... ::...:.::,- _...... -:: ::.- .- .- :.:.::::. -:. .:::..:::. :....... __. ............. -�. i 95 / I'•' •sS Llif11. i1Li•131.�i•11i L•ifJ1.i11••iiii�.tLiii Ji i•'.1i{•: . i1Li• iJii •11Li {iiJi.11i••iJ•i'J•11L1 {i J1i.i11L•i JJ1.ti1•i•iif � -iiti •i Jii•iiii Jiiii�- iLiiii w:1 i :,1Y 11'i J�iJti•Ltti•iiJi.11Liii J.•..'PM•,{,. EL TRIG TRA SFORN✓1ER - - - - - - -- -.-- _ __• - -- - -- -- .- -- - - - - -- - - - - - - -- - •_ ----- - - - - -= - ---------- = - - %'- TP __ _... 49.4 = - - -- -- -__ - -_ -- - - -- - -_ - - - -- �-� - = - -- .- - - - - -- -494 - -- -- - - - - -_ ------- - - -j'- •••. .......... %g -• -. .'' S� .-- •-- - - - -•• -65.2. - -- 493 _ .. _ .._... � - -� 3 - _ ---------- -• - - -- ---- - - - - -• _.__. -- ._ PEDESTAL SF - /-J ` SF �' SF / ) TP EDGE OF ll WOODS �� ROD Fd. >.O. 5 % CENTERLINE °,� °;: `.� �� . _ • • B/M EXIS ho / / RIP -RAR- DITCH /�- !' ! -�'�' ° \ `� TO BE. SAV DELINE 6 �- .,.® --4 % M .'l X E' D �/ /� / ��,� - � \� M l X E D 6 / F' 1; ► EDGE OF-- ®'` e WOODS TEL'EPH NEB s. t l 84' -° 9 ► I 7_1M1TS of s \ TREE PRESERVATION 41 LF r 1 +► AND PROTECTION LOD LIMITS OF DISTURBANCE 17,633 S.F. EXISTING TREE TO BE REMOVED S / �f/ ��j�'% ♦ V / INV. EL 47 . V t 5, 01 475.14 � Domihion., 0 / 12" D/P "�2�- �\,; '' s `` �` °��:: ��` ProfasAPProvcl 9 • \ En ;Haar TOP OF WATER i' # -� -� / , ��. ••• EL. 4 73. 0 : S/�y` '� ` °•�/ TL' � 4p, F ° two T IN V. EL. �O� S 5 ' °• ��t,{� 84- e +, ��� 473.97 FOREST LAKES COMMUNITY ASSOCIATION INC. .° /NV. EL. PARCEL ID: 04684- 00- 00 -000AO +� � .p r ,7 ROD Fd. CHAFZL NE A Fl„ RPEE? a m '� n '' /, 473.92 D.B. 1,304 PG. 346 EDGE OF BENT ) j, ZONED: R- 7 WATER ( Lic. No 0360 9 EDGE 4F" ' 0 WOODS Designed by: Approvals G4 EDGE OF EXPANSION AREA = 17,633 S.F. 20 0 20 40 '8t3i4 xONAL Approvals WATER scale --Feet 5/106 Pape 1. of 1 iioV Dominion" LANDSCAPE PLAN HOLLYMEAD SUBSTATION ALBEMARLE COUNTY, VIRGINIA Name Date Project No. Sheet No. CAH 1/10/13 992310 CAH 1/10/13 Scale �, OF 10 V =20 B/M No. Revisions 0000 Typical Orcowingil Library Location Cell Name B/M Assembly Pipe Stand Foundation Cells (Pier) Pipe Stand Foundation Cells (Spread) Foundation Cells for Other Typical Structures Steel Detail & Assembly Cad File Name 0600082a.dgr Inf or- motion (Pier) I (Spread) PLOTTED ♦ts4stifisf3SYTIME Drawing No. 0600 -082 W I-- r m N M M M M M N W W N a, v0 m 0 d ca l9 -ROD �d.i'r ";l 2 / I ; I RlP- RAP'' °,�3)? 4 `�� �`'\ CQN7RACT PU[tCEIAS�tS1Crt�iUG ' 10' DR�NAGE•'E,�iSEMENT , B. 728 100 °. ".,PC. S / �f/ ��j�'% ♦ V / INV. EL 47 . V t 5, 01 475.14 � Domihion., 0 / 12" D/P "�2�- �\,; '' s `` �` °��:: ��` ProfasAPProvcl 9 • \ En ;Haar TOP OF WATER i' # -� -� / , ��. ••• EL. 4 73. 0 : S/�y` '� ` °•�/ TL' � 4p, F ° two T IN V. EL. �O� S 5 ' °• ��t,{� 84- e +, ��� 473.97 FOREST LAKES COMMUNITY ASSOCIATION INC. .° /NV. EL. PARCEL ID: 04684- 00- 00 -000AO +� � .p r ,7 ROD Fd. CHAFZL NE A Fl„ RPEE? a m '� n '' /, 473.92 D.B. 1,304 PG. 346 EDGE OF BENT ) j, ZONED: R- 7 WATER ( Lic. No 0360 9 EDGE 4F" ' 0 WOODS Designed by: Approvals G4 EDGE OF EXPANSION AREA = 17,633 S.F. 20 0 20 40 '8t3i4 xONAL Approvals WATER scale --Feet 5/106 Pape 1. of 1 iioV Dominion" LANDSCAPE PLAN HOLLYMEAD SUBSTATION ALBEMARLE COUNTY, VIRGINIA Name Date Project No. Sheet No. CAH 1/10/13 992310 CAH 1/10/13 Scale �, OF 10 V =20 B/M No. Revisions 0000 Typical Orcowingil Library Location Cell Name B/M Assembly Pipe Stand Foundation Cells (Pier) Pipe Stand Foundation Cells (Spread) Foundation Cells for Other Typical Structures Steel Detail & Assembly Cad File Name 0600082a.dgr Inf or- motion (Pier) I (Spread) PLOTTED ♦ts4stifisf3SYTIME Drawing No. 0600 -082 W I-- r m N M M M M M N W W N a, v0 m 0 d ca l9 D- - A F- STANDARDS AND SPECIFIED ON THE PLANS WILL BE MEASURED FROM THE INVERT OF BRICK STEEL STN4IARD ICi-1 FRAME 0 GOYFR 66 ± {B W TOP OF MASOf�Y IS TO BE LEFT +� :- APPROXIMATE ONLY FOR ESTIMATING 3 LBS PURPOSES AND THE ACTUAL DIMENSIONS, . . .CONNECTORS SUFFICIENTLY LOW 1T) PERMIT PROPER L_ 0 U W I. BEVEL 45' LUGS, COWCTORSI , ADJUS7AE"r OF Cpy�R NO FRAME TO GRADE, 8Y TFE r GRATES. LOCATION OF LETTERING MAY VARY BY MANUFACTURER. J W <E AND PLACING ALL MATERIALS INCIDENTAL. TO INLET SHAPING IS TO BE INCLUDED BRK3T AS LMIECTED USE UMTA2 OR BY THE ENGINEER. N W IN THE BIO:PRICE FOR THE STRUCTURE. QEA"s2RSU01iS FM > CAST SON ONLY DUMP NO WASTE DRAINS TO ,WATERWAYS 5. STEPS ARE TO BE PROVIDED WHEN H IS 4'-0" OR GREATER.. FOR DETALS SEE REV 8%07 tVIRGINIA .. DEPARTMENT OF TRANSPORTATION.: Q U WMZ W DETAIL B 6. THIS ITEM MAY BE PRECAST - OR CAST - DETAIL A TAOI.E OF QUMITITES I1- PLACE. I,.��'. 4'•2" = <E 2 6•-�i V-3-1 ./ WLL0 moU 7. #4 X 8" SMOOTH DOWELS AT APPROXIMATELY 12" C -C JA BE- PLACED IJ. ALL AREAS ADJACENT pr 2. ABASE 71ipCRESS OF 9" WAS USED IN SUp31TTUTED FOR TAPFAEO TION r OEPTM OR" MN910LE CONCRETE VI WREN APPROVED BY m i 0 m E :: YAIIDOIf CONCRETE a +� OOTNO m CU. YARDS 0.785 CU.Y 1.437 +� 0 n o Drawing No. 0600 -083 0.788 1899 C3 � s " m 0 O- :. 0.785.. o z U 0.785 1223 0.1@14E1M THf90ES3� T BE 5'. > ' • • • • • • = • • • • • • . Revisions 0.785 ITypioal Drawing) Library Looation •USERNAMEi Inf ormatlon 0 1 Cell Name 1 B/M Assembly I Pipe Stand Foundation Cells (Pier) 1Pipe Stand Foundation Cells 3 4 5 7 8 9 10 11 12 SECTION A -A >1• rR 11 I1 )UlI)1)1J11JI11��Jttttl {lUt((lU((( l(I((((SU l�rf 1�(( fi( IU ((t)tiU((IUJ))l))1J11N1�111)1pA 1✓4'. %'R PR1 FRAME SECTION AT MID POINT A ((4[F-:]ooao ❑� m ■ ■I APPROX9ATE WEIGHT CAST IRON TOP COVER 137 t 7 LBS. FRAME 236 f 12 LDS, r' R Yi' R A BOTTOM SPECIFICAl10N VDar REFERENCE STANDARD MANHOLE FRAME AND COVER ROAD STANDARDS "A REWION WGYM DEPARTMENT TRANSPORTATION. DATE: SHEET 3 OF 6. '30Y _ 106.03 ORIFICE PLATE DETAIL III Foundation Cells for Other Typioal Struotures Steel Detail & Assembly (Pier) (Spread) MANHOLE -12" PIPE 6.54 ORIFICE a INV.= 484.60' SEE STANDAMAD SL -T FOR APPLICABILITY OF SAFETY SLABS.. - A GALV., STANDARDS AND SPECIFIED ON THE PLANS WILL BE MEASURED FROM THE INVERT OF BRICK STEEL STN4IARD ICi-1 FRAME 0 GOYFR 66 ± {B W TOP OF MASOf�Y IS TO BE LEFT +� :- APPROXIMATE ONLY FOR ESTIMATING 3 LBS PURPOSES AND THE ACTUAL DIMENSIONS, . . .CONNECTORS SUFFICIENTLY LOW 1T) PERMIT PROPER L_ "� I. BEVEL 45' LUGS, COWCTORSI , ADJUS7AE"r OF Cpy�R NO FRAME TO GRADE, 8Y TFE NOIESA SHOWN GRATES. LOCATION OF LETTERING MAY VARY BY MANUFACTURER. �..; AND PLACING ALL MATERIALS INCIDENTAL. TO INLET SHAPING IS TO BE INCLUDED BRK3T AS LMIECTED USE UMTA2 OR BY THE ENGINEER. STANDARD :DROP INLET 1.OUANT1T1E5 ARE FOR MANHOLE JEWm1a1T PB'ES. THE AWlBTT DISPLACED MUST BE CEOUCTED TD IN THE BIO:PRICE FOR THE STRUCTURE. QEA"s2RSU01iS FM > CAST SON ONLY DUMP NO WASTE DRAINS TO ,WATERWAYS 5. STEPS ARE TO BE PROVIDED WHEN H IS 4'-0" OR GREATER.. FOR DETALS SEE REV 8%07 tVIRGINIA .. DEPARTMENT OF TRANSPORTATION.: STANDARD ST -1.' W OBTAIN..TRUE QUANTITEiS.. DETAIL B 6. THIS ITEM MAY BE PRECAST - OR CAST - DETAIL A TAOI.E OF QUMITITES I1- PLACE. I,.��'. 4'•2" SE DO AS WILY BY 2 6•-�i V-3-1 ./ /. SEE n- H 0£TNL 8 - + 7. #4 X 8" SMOOTH DOWELS AT APPROXIMATELY 12" C -C JA BE- PLACED IJ. ALL AREAS ADJACENT pr 2. ABASE 71ipCRESS OF 9" WAS USED IN SUp31TTUTED FOR TAPFAEO TION I'GTIDn OEPTM OR" MN910LE CONCRETE VI WREN APPROVED BY B A - A GALV., STANDARDS AND SPECIFIED ON THE PLANS WILL BE MEASURED FROM THE INVERT OF BRICK STEEL CONCRETE 66 ± 43.6 LBS :- APPROXIMATE ONLY FOR ESTIMATING 3 LBS PURPOSES AND THE ACTUAL DIMENSIONS, . . .CONNECTORS INCLUDING "� I. BEVEL 45' LUGS, COWCTORSI , Zv NOIESA SHOWN GRATES. LOCATION OF LETTERING MAY VARY BY MANUFACTURER. �..; AND PLACING ALL MATERIALS INCIDENTAL. TO INLET SHAPING IS TO BE INCLUDED - Designed by: STANDARD :DROP INLET 1.OUANT1T1E5 ARE FOR MANHOLE JEWm1a1T PB'ES. THE AWlBTT DISPLACED MUST BE CEOUCTED TD IN THE BIO:PRICE FOR THE STRUCTURE. QEA"s2RSU01iS FM > CAST SON ONLY DUMP NO WASTE DRAINS TO ,WATERWAYS 5. STEPS ARE TO BE PROVIDED WHEN H IS 4'-0" OR GREATER.. FOR DETALS SEE REV 8%07 tVIRGINIA .. DEPARTMENT OF TRANSPORTATION.: STANDARD ST -1.' W OBTAIN..TRUE QUANTITEiS.. DETAIL B 6. THIS ITEM MAY BE PRECAST - OR CAST - DETAIL A TAOI.E OF QUMITITES I1- PLACE. I,.��'. 4'•2" :. 2 6•-�i V-3-1 ./ /. SEE n- H 0£TNL 8 - + 7. #4 X 8" SMOOTH DOWELS AT APPROXIMATELY 12" C -C JA BE- PLACED IJ. ALL AREAS ADJACENT pr 2. ABASE 71ipCRESS OF 9" WAS USED IN I " '• OEPTM OR" MN910LE CONCRETE COMIWTWG CO CRETE QUAATR S. R" :: YAIIDOIf CONCRETE J INCREMENTS TO BE ADDED FOR EACH AD01710NAI, FOOT OF DEPTH. ": 4" OOTNO FEET CU. YARDS 0.785 CU.Y 1.437 4. MATERIA S MAY BE BRICK CONCRETE OR AF PROVED CONCRETE MANHOLE BLOCK. $ - 8 Drawing No. 0600 -083 0.788 1899 PLOTTED: * ** ***4,i =sSYTIME 8 :. 0.785.. 1.981 5.IP BLOCKS ARE USED 1 .. . .• 0.785 1223 0.1@14E1M THf90ES3� T BE 5'. > ' • • • • • • = • • • • • • . 8 0.785 2.485 OTFETt 7��p� ARE TO CONFORM A TO WN.I SHOWN FOR o 9 4 0.785 2.747 : CONCRETE. DINETER. 4 -e" +(2 x WALT. THIC104ESS) yi -. - -t0 _.. I.B :.. ,7 ... c ALL GONcRIETE. To BE CLASS AS.. n L9 0197,10 14M SECTION 6 -8 -a 22 0.9m JAII7 7. WHEN SPECIFIED ON PLANS THE BRICK CONCRETE OR 13 u .as 2.8 1 PED NMI R TO BE SHAM IN WITH � STANDARD CONCRETE BLOCK >6 3.1 0.970 4.90 A.L. MATERIALS NCETENTA. TO THE Id 1 3.; SHAPNG IS TO BE INCLUDED IN THE BID -:17 1 4J) -.L173 6.032 PRICE FOR THE STRUCTURE. INCREMENT 1, 0,45 - 0 SFECIFICATKNI 'E" MANHOLE FOR 12" - 48" PIPE CULVERTS •� AND BR�ANDAIDS ROAD W2 VI M" DEPARTMENT CF TRANSPORTATION [REVISION DATE I SHEET T. OF 5 10601 - Y2 SECTION CAST IRON -II� Y2.:SECTION STEEL NOTES. 2`7' LUGS TO BE 1'- " L 21e x 2YJ' x /i' 1. DEPTH OF MET ttD TO BE SHOWN ON _ CAST ':W(TH 10' *4" LONG PLANS. FOR DEPTH GREATER THAN 10'USE A{.. COLLAR T- STANDARD DI-IA B n OPTIONAL BRACE RIBS N Wel 9Yi' 412'- PLAN Yi' x Me x 47 1 CAST GALV., STANDARDS AND SPECIFIED ON THE PLANS WILL BE MEASURED FROM THE INVERT OF IRON: STEEL JOINT 66 ± 43.6 LBS :- APPROXIMATE ONLY FOR ESTIMATING 3 LBS PURPOSES AND THE ACTUAL DIMENSIONS, . . .CONNECTORS INCLUDING INCLUDING CONTRACTOR FROM FIELD CONDITIONS. LUGS, COWCTORSI , Zv 100 PLAN Yi' x Me x 47 1 2. THE "H" DIMENSION SHOWN ON THE Yx" x 4" STANDARDS AND SPECIFIED ON THE PLANS WILL BE MEASURED FROM THE INVERT OF ONE WELDED THE OUIFALL PIPE IQ THE TOP OF THE JOINT STRUCTURE. "H ". DIMENSIONS ARE' 9. CAST IN PLACE CONCRETE IS TO BE CLASS TE 03000 PSI). PRECAST CONCRETE IS TO BE 4000 PSI. :- APPROXIMATE ONLY FOR ESTIMATING WELD ALL PURPOSES AND THE ACTUAL DIMENSIONS, . . .CONNECTORS SHALL BE DETERMINED BY THE TO COLLAR CONTRACTOR FROM FIELD CONDITIONS. SECTION B-B 3. WHEN SPECIFIED ,ON THE PLANS THE 'HRH ST�AORD IS-L THE COST OF , FURNtStINICAND PLACING ALL MATERIALS `INCIDENTAL. TO THE SHAPING IS TO BE '.WCUAEO.IN THE 810 PRICE FDIC THE PLAN Yi' x Me x 47 1 x W. WIDTH . ' Q SEMEN FI I1II(77j n�I rrrjjlllII HOLE �.U����.�41��ULIU� HOLE u u uu U - Yx" x 4" STRUCTURE. (GRATE REMOVED) LUGS ' I I g�1 =u STUD SHEAR CONNECTORS 4. N THE EVENT THE INVERT OF THE OUTFALL PIPE IS HIGHER THAN THE 9. CAST IN PLACE CONCRETE IS TO BE CLASS TE 03000 PSI). PRECAST CONCRETE IS TO BE 4000 PSI. - SEE ,/ DETAIL A ""- "- r BOTTOM OF THE STRUCTURE.THE INVERT WITH CEMENT MORTAR TO PREVE�NTea � -MAY !E SU85TITUT£O.FOR 7HE GASi IRON:: LUGS AS SHOWN HEREON. ` SECTION B-B STANDING OR POIWXNG OF WATER IN .THE STRUCTURE: THE COST OF FURNISHING Zv 100 GRATES. LOCATION OF LETTERING MAY VARY BY MANUFACTURER. COLLAR DETAIL V//" MIN RAISED AND PLACING ALL MATERIALS INCIDENTAL. TO INLET SHAPING IS TO BE INCLUDED - Designed by: STANDARD :DROP INLET LITTERING IN THE BIO:PRICE FOR THE STRUCTURE. QEA"s2RSU01iS FM > CAST SON ONLY DUMP NO WASTE DRAINS TO ,WATERWAYS 5. STEPS ARE TO BE PROVIDED WHEN H IS 4'-0" OR GREATER.. FOR DETALS SEE REV 8%07 tVIRGINIA .. DEPARTMENT OF TRANSPORTATION.: STANDARD ST -1.' 302 DETAIL B 6. THIS ITEM MAY BE PRECAST - OR CAST - DETAIL A B/M No. I1- PLACE. I,.��'. 4'•2" HARDWARE CLQTH 2 6•-�i V-3-1 ./ /. SEE n- H 0£TNL 8 - + 7. #4 X 8" SMOOTH DOWELS AT APPROXIMATELY 12" C -C JA BE- PLACED IJ. ALL AREAS ADJACENT pr • ° tl8 a a. ' a p `` `•.1 COLLPfR 3" DIAMETER WEEP _ '. SEE gg 12 ". x W. WIDTH . ' Q SEMEN FI I1II(77j n�I rrrjjlllII HOLE �.U����.�41��ULIU� HOLE u u uu U - A 2 "X4" NOTCH MAY PROVIDED. SEE STANDARD - T-DI-3, 4 FOR ALTERNATE DESIGN. 8. 3 "04WETER WEEP HOLE W�H.12 "X12" PLASTIC HARDWARE CLOTH / /.," MESH OR GALVANIZED STEEL WIRE. AI NI MUM -' t2 "•15 " -i6" OR 24 "- 'UI ��n����o������ p r L HARDWARE AR DIAMETER H AN NUMBER 4. MESH HARDWARE CLOTH ANCHORED FIRMLY TO THE OUTSIDE OF THE STRUCTURE. p A .: m p ° z ° 'O O.o - SEE T �O���aQ���DaOQ DETAL'.8 ++ +•••••••• + ---+ 9. CAST IN PLACE CONCRETE IS TO BE CLASS TE 03000 PSI). PRECAST CONCRETE IS TO BE 4000 PSI. �SEC•TION A A YY ;' T" r P J, 2� � �� 10.,ANY ALTERNATE METHODS Of ANCHORAGE MEETING THE APPROVAL OF THE ENGINEER CONCRETE QUANTITIES. FOR MIN. DEPTH 4" - -MAY !E SU85TITUT£O.FOR 7HE GASi IRON:: LUGS AS SHOWN HEREON. ` 12 CONCRETE PIPE 1.440 CU YD..CONCRETE 15 CONCRETE PIPE 1528 CU YD CONCRETE: .APPROXIMATE WEIGHT I ;.1'�t " I k ' �.�.!� CAST IRON -�'( GRATE ± 16 LBS 11.. DUMP NO WASTE DRAINS TO WATERWAY :LETTERING IS REQUIRED ON ALL 01-.1 18 CONCRETE PIPE 1.620 CU YD. CONCRETE ` CONCRETE 24" CONCRETE PIPE - 1.817 CU. YD: CONCRETE , .363 SECTION, C -C SECTION D'D GRATES. LOCATION OF LETTERING MAY VARY BY MANUFACTURER. .. wI)ITIONAL FOOT Of PER GRATE DETAIL. - Designed by: STANDARD :DROP INLET 1/10/13 tPITER TION- 233 12 "- - 24" PIPE. MAXIMUM DEPTH (H) - 10' REV 8%07 tVIRGINIA .. DEPARTMENT OF TRANSPORTATION.: Approvals 302 Dominion° Professional Engineer APProVn1 LTd1 O� GMT �nNnLtNE A, H PER ' l iC. No. 0360 *"o� -1.. Z3 -� ww� M�S�oNAL me Iffiloft W'Dominione CONSTRUCTION DETAILS I HOLLYMEAD SUBSTATION ALBEMARLE COUNTY, VIRGINIA W I•- « M « M « w 0 W C M Name Date Project No. Sheet No. OF 1 Designed by: CAH 1/10/13 992310 Approvals CAH 1/10/13 Scale Approvals N.T.S. B/M No. Revisions 0000 Ca Cad File Name 0600083a.dgn Drawing No. 0600 -083 o W .a a. M mm m PLOTTED: * ** ***4,i =sSYTIME m� a z m 9' MAX. 0 X 1L .c L W m 0 d o Z U Name Date Revisions *USERNAME* 4IN THK. VDOT NO, COARSE AGGREGAT SITE STONE PROPOSED GRADE a 3% GRADE 21 1 I D =0.5' (MIN.) l L__ D =0.9' (MAX.) 2 2 PROPOSED 2 BERM FLAT BOTTOM BERM DITCH DETAIL (NTS) 1 Typical Drawing) Library Location Inf or-motion BASE COURSE (4IN LIFTS) 2 3 4 5 7 8 9 10 11 %' GALVANIZED THREADED ROD 7' -0' LONG 2 - REQUIRED PER INSULATED SECTION 'I Iva ' GALVANIZED TYP E -70 WASHER %a 24 - REQUIRED PER INSULATED SECTION ° -- 0(nW O 0� W - ° W W OW M G' (n TYP E -70 1 OC�� =oIm 9o�= �s Q' UZocc4WCo a <: toe: SPOOL CL CC H =�= INSULATOR N m w a. (n ~ 59455500 °' H Z°a 12 - REQUIRED 2' PVC END CAI HAVING u /s' HO DRILLED THROI THE CENTER %'x4 %2. 20 - REQUIRED GALVANIZED BOLT PER INSULATE[ WITH NUT JOSLYN - CLEVIS SECTION 12 - REQUIRED CAT.No. J251 PER INSULATED 12 - REQUIRED SECTION PER INSULATED SECTION ANTI - CLIMBING AND INSULATED FENCE DETAIL "A" 1FT MIN. NOTE: 1. INSULATED FENCE SECTION USED TO ISOLATE SUBSTATION FENCE FROM CONTIGUOUS FENCES NOT PROTECTED FROM TOUCH POTENTIAL BY A GROUND GRID. THIS COULD INCLUDE FENCES CONSTRUCTED BY ADJACENT PROPERTY OWNERS. 2. EACH SPOOL INSULATOR SECTION PROVIDES 12KV FLASHOVER PROTECTION. 3. MULTIPLE SECTIONS WILL INCREASE INSULATION VALUE. 4. THIS SECTION IS NOT TO BE USED AS PART OF THE SUBSTATION FENCE. 2 /_ PROPOSED GRADE �1 �1I • 4 BAR SPACED EVERY _C VERTICALLY 3" TOP OF WALL ELEV. = VARIES HEIGHT VARIES HOLLYMEAD SUBSTATION 9' MAX. ALBEMARLE COUNTY, VIRGINIA o o M M •+ M M c 40 w . Name Date Project No. Sheet No. Designed by: #57 STONE o 0 0 992310 OF 10 Approvals WRAPPED IN A o Scale Approvals NON -WOVEN N.T.S. B/M No. GEOTEXTILE o 0 0 0000 FABRIC '_; �IIIIIIIIIIi o00 NO. 5 BARS - III =1IElI SPLICING DOWEL i,� III =III- SPACED EVERY o CO Cad File Name 0600084a.dgn 6" 0. C. o a @m m PLOTTED: * * * * * * * * * * *SYTIME 0 0 SPLICING DOWELS o TIED TO STEM AND NO. 4 BARS HEEL FLEXURAL SPACED 8" O.C. REINFORCEMENT 4- 0.5' p 8" NO. 4 BA 3" SPACED E 6" 0. C. 6' N0, 5 BARS SPACED EVERY 6 O. C. 12 "b PIPE 4 "0 PERFORATED DRAIN OUTLET THROUGH WALL AND MITERED TO SLOPE EVERY 50 FEET M _► ► e EX. GRADE 3" 1' -3" NO. 4 BARS SPACED EVE 6" 0. C. VERTICALLY 12 3" TOP OF WALL ELEV. = VARIES L 3" NO. 5 BARS SPACED EVERY 6" 0. C. SIG DOWELS 0 STEM AND =LEXURAL )RCEMENT 1I_ ► a_ offillions wffwl _ '' A DETAILS FOR SITE PI AN INFORMA TION ,PURPOSES ONI Y NOT FOR CONS TROCION Cell Name B/M Assembly Pipe Stand Foundation Cells (Pier) JPipe Stand Foundation Cells (Spread) Foundation Cells for Other Typical Structures Steel Detail & Assembly (Pier) (Spread) Dominion, Professional Engineer Approval SUBS1 SITE STONI A=- SECURITY FENCE DETAIL (NTS) w1nominione c 3 L J CONSTRUCTION DETAILS 11 HOLLYMEAD SUBSTATION ALBEMARLE COUNTY, VIRGINIA W M M •+ M M c 40 w C -o Name Date Project No. Sheet No. Designed by: CAH 1/10/13 992310 OF 10 Approvals CAH 1/10/13 Scale Approvals N.T.S. B/M No. Revisions 0000 CO Cad File Name 0600084a.dgn Drawing No. 0600 -084 o a @m m PLOTTED: * * * * * * * * * * *SYTIME EL a: r A a ea r F_ A x C i2, in /hr Q2, Cfs ilo, in /hr Land Cover Description , acres acres 0.65 woods, 6 % + ** 0 O U W gravel substation* ! 0.64 0.70 0,448 j W cc 16.3 woods, 6 % + ** ! 0.04 0.1 M o- Q j Sum: Weighted C Factor, JAxC /Total Area 0.60 V WmZ 0.24 1 0.0048 m :> * assume gravel = 70% impervious Sum: Weighted C Factor; AxC /Total Area 10.70 Sum: ¢ U (roU 0,70 0.66 nl U X ** C soil, good hydrologic condition Table 4 -5A, VA SWM Handbook >. F- - 2 -yr P U TIME OF CONCENTRATION: inlet 1 Z L Slope_ 2 -yr P V, fps O U Description oughnes ft - ft/ft inches 0= minutes Sheet Flow Uncompacted Gravel Q 150 C9 Q OWF -- 15.61 U W M Z 169 0.03 -- m �<r Channel Flow 15" pipe 48 _ U U > aoU 4 0.20 -� m i m g a a z' m 0 O 0 HJU U Revisions \6 0 1 2 3 4 EXISTING OUTFACE 1: inlet E1 A, area C, Runoff A x C Land Cover Description tion acres Coefficient gravel substation* I 1.03 0.70 0,721 - - -� woods, 6%+** I 0.14 0.17 0.0238 open space, 6 % + ** I 0.13 0.24 0.0312 Sum: 11.30 Sum: 10.776 Weighfed,C Fad6r, Aii'C /Total Area ' ' 0.60 * assume gravel = 70% impervious I ** C soil, good hydrologic - -- - - -- ___.__ - -._- condition Table 4 -5A, VA SWM Handbook - TIME OF CONCENTRATION: inlet E1 n L Slope 2 -yr P v, fps Tc Description oughnes ft ft /ft inches qRCS Fig. 3.3 minutes Sheet Flow Uncompacted Gravel 0.24 150 0.03 3.7 -- 15.61 Shallow Concentrated Flow unpaved 64 0.03 -- 2.8 0.38 Channel Flow 12" pipe 1 46 1 0.054 1 4 1 0.19 :FLOW SUMMARY Area, ac C Tc, min. i2, in /hr ' C�; cfs i10, in /hr 410, cfs Inlet E1 1.30 1 0.60 16.2 3.32.58` 4.4 _ 1 _J x x x x x x x---x x x INLET E1: DA = 1.30 x C = 0-6-0., Tc = 116.2 MIN -- o rOG t 500.15 • . TC= •-- ° POWER POLE 500.09 0 _-' j lP N998 x HOLLYMEAD SUBSTATION TUC= x a N LINK FENCE 1 Y/RC/N/A ELECTR /C & POWER COMPANY TOC= O 500.111 . • ' • 8' CHAIN LINK FENCE 500.10 ' PARCEL ID: 032 00 -0 0- COO -U3700 Roo & ' 0/H ELECTRIC - OR 728, PC hOO CAP SET 11 (TYPICAL) ' - . - - - -. ZONED: R -1 - ._ - -.. - --. - -- .- ,.--- ._----- - - - -.r GU CHOR _ TE EQUIPMENT itC4 ^ESS FATHI tA9 PoWfR PO (TYPICAL) _ �,- .� -... .� -- '• - ._ - -._- �+-' --- .------ .- - - --.. !'_'` - CABLE ' i roc- \ .+ J lP N89T _` "' `\ u a - \ - • - ' TROUG7 ' , . - - O 4.60 O 499.56 ` \ \ . , I - • / • / 1� �! \j ) t _ _.___. HOUSE .-- IRU"S bfl hh TC IOC= 1 x GRAVEL' �.. • o.• P '"\,.', /I ( 499.05 G R A Y E L 440 e 1 ' CrOR 'i • �" i x 499.59 f J 499.07 y� PO R NB POL • 1 499.80 \ ` I N G� / + �• • '�'•• „°.° '', i�•' `; TELEPHONE I i o IOC= 498.57 .Qt/ ' I • ' /// , ' ' PEDESTAL 1 , A9g0 7C= °� 498.60 IOC= 9858 ® TOC= 1 1 , ��, • 'y 01 N : / +. • . - -' • - - - _ _ , 498.67 0 0 498.63 4 0498.57 NBr;'6 x `. ____ _________ _ _.__. _._______ OVERHEA 1 I j' r°• ELEC. GOES I Too_ _ _ ... - - - . , , _ _ LIGHT OI 1 t , • O • 1 TC- 498,62 TC= TC= IOC- IOC= 1 / / • Q10R• /. _ e 998.39 O 0498.59 497.99 0498.61 ®498.60 I i '�''' 1 • CONO�'� � ROO. & ROD & ` I I t o /N• •"• 498.59 CAP SET CAP SET I 1 • / ' ✓ .50 , _ . •� I I �, \ \ e \ \ \ so .00' 0 O ro= U.00' ° ro c = + Roo & 4978 99TT_. 4x CAP SET .____ 029 TOC= 3997 3 0 49731 TOC =O ' • . TOC= O O TOC GUY ANCHOR ,./ GRAVEL 49731 49737 497 49729 • I OrPIC -) /• ' s • I 1 ' , I,. r VE / / I TOC= \ \ \ a ^` ` � 497.32 497.30 497.280 0997.29 112 584 UR£ 1 - - - 'y x • • , � 1 x 49750 \ \\ ,' Qr1dOrAert�O 054/5831 /•'1 ,LIMITS OF- s,,••____.__0_ - -.,_, \\ /i• t M l x,E D cruVEL 0 / c= , , \ roc =O Oroc= roc =0 roc =0 / • / I ke6Q / I 9 746 ' • \ ` 497.J7 497.31 497.28 497.30 / J I + W 01b DS 1 \ ROD& cm 7 = \` 1..` CAP SET -// / 1 ®� o EQUIPMENT ACCESS PATH I- -- ---- .----------- - -�.-- 4 - ............................. -- ----- ..._. b +k98• 4' TREE IrTREE _� B• TREE- 2 - 066 OF '�� .-------- .- . - --.•- - - -- - - -- - - - ..�- - - - - -- S WOOD . 1 -• 7" TREE . LIMITS OF • - - - 3• °w. TRANSFORMER •,,,,•r .: _ _ _ _ .. - _ _ y �9 `'� k• TELEPHONE" _ p6 _ _ T i ��.,.. ' _• �' - _ , PEOESIAL - ..___. _,_ 1 1 WOODS , 1 CENTERUNE ;J ROD Fd��p: ' / / RlP-2jP. DITCH �#! / _ _ - _ _ .. ,� /°' /!' ' \�` \�•' • `" ,,,°,,, - _ 6 ^ ®ate EDGE OF* -'LIMITS OF • _ _ \`s �� -.\ • ,'ROD ('d. ; R/P-RA'P' • , • . . 1/• �� �� DRAfNAGE, 'MAO S£MENF _ _ .' _ '"`o - ti9• •�/ .B. 728 PC. loci A� \,- th- INV. fL. I 475.01 'i i / J r^a •'• ` ` e'` - `.•ems° • _ `�, , 475.14 "• 12' DIP TOP % / / •° TOP OF WATER `z EL. 473.0, ��'',,��--�` 'ktfT ` - • ' `�. k / / / •'/ ���- L A K E /NT� ht / INV. EL. 'fbK. -�.•,1 X55' ' • ,`\ ' - ✓ +/ 47J.97 FOREST LAKES COMMUNITY ASSOC/AT /0N, INC. /,� NV. EL. PARCEL /D: 04 634- 00- OD -000AO " �' • ROD Fd.� / / 473.92 D.B. 1304 PG, 346 EDGE Of ° v v (BENT) EVGE�Op /�/ / ZONED: R -1 WATER e MOODS / / EDGE' OF '^d ! WATER O 0 . / R PRE- DEVELOPMENT STORMWATER DRAINAGE AREA MAP Typical Drawing) Library Location r Infomation Cell Name B/M Assembly Pipe Stand Foundation Cells (Pier) Pipe Stand Foundation Cells A 7 8 9 10 111111111 , 11 12 PROPOSED OUTFALI 1• inlet 1 r A a ea C Runoff Coefficient A x C i2, in /hr Q2, Cfs ilo, in /hr Land Cover Description , acres acres 0.65 woods, 6 % + ** 0 0.08 gravel substation* ! 0.64 0.70 0,448 j open space, 6 % + ** 16.3 woods, 6 % + ** ! 0.04 0.1 1 0,0068 STORMWATER MANAGEMENT CALCULATIONS f j Sum: Weighted C Factor, JAxC /Total Area 0.60 open space, 6 % + ** I 0.02 0.24 1 0.0048 - C * assume gravel = 70% impervious Sum: Weighted C Factor; AxC /Total Area 10.70 Sum: 10.4596 Inlet 1 0,70 0.66 * assume gravel = 70% impervious -_ ** C soil, good hydrologic condition Table 4 -5A, VA SWM Handbook L ft - 2 -yr P fps.-.-. TIME OF CONCENTRATION: inlet 1 n L Slope_ 2 -yr P V, fps Tc Description oughnes ft - ft/ft inches NR_CS fig. 3.1 minutes Sheet Flow Uncompacted Gravel 0.24 150 0.03 3.7 -- 15.61 Shallow Concentrated Flow unpaved 169 0.03 -- 2.8 1.01 Channel Flow 15" pipe 48 0.01 1 -- 4 0.20 . . n j ).. 1 m nu s Time'of Co centratio" minutes 68 i to n ROPOSED OlfrF LC i P A 1. nlet 5 A, area C, Runoff ___ Coefficient 0.70 A x C 0.455 i2, in /hr Q2, Cfs ilo, in /hr Land Cover Description gravel substation* ( acres 0.65 woods, 6 % + ** 0 0.08 0.17 0.01275 1.98 Inlet 5 j open space, 6 % + ** 16.3 0.08 0.24 0.0192 _ STORMWATER MANAGEMENT CALCULATIONS f j Sum: Weighted C Factor, JAxC /Total Area 0.60 10.81 Sum: 10.48695 ,FLOW, SUMMARY':'SWM Design - C * assume gravel = 70% impervious -� ** C soil, good hydrologic condition Table 4 -5A, VA SWM Handbook ilo, in /hr Qlo, cfs Inlet 1 0,70 0.66 16.8 TIME,Of CONCENTRATION: inlet 5 n L ft Slope 2 -yr P fps.-.-. Tc minutes Description oughnes ft /ft inches _v, NRCS Fig. 3.1 Sheet Flow Uncompacted Gravel 0.24 150 0.03 3.7 -- 15.61 Shallow Concentrated Flow unpaved 80 0.03 -- 2.8 0.48 Channel Flow 15" pipe 1 48 0.01 1 -- 1 4 0.20 Ime of ` Co T ncentration m inutes 16.3 miriu #e' ( ) s FLOW SUMMARY: SD Design LL Area, ac C Tc, min. i2, in /hr Q2, Cfs ilo, in /hr Qlo, cfs Inlet 1 0.70 0.66 16.8 Top Width 4 4.3 1.98 Inlet 5 0.81 0.60 16.3 ,, 2 58 , 2:39 1 4.4 2.14 STORMWATER MANAGEMENT CALCULATIONS f Existing- Proposed -- - - - - - -- - - -- ,FLOW, SUMMARY':'SWM Design Area, ac C Tc, min. i2, in /hr Q2, cfs ilo, in /hr Qlo, cfs Inlet 1 0,70 0.66 16.8 3.2 1.47 4.3 1.98 Inlet 5 0.81 0.60 16.3 3.3 1.61 4.4 2.14 UNROUTED 3.07 4.07 ROUTED (controlled by orifice) 2.39 2.70 ELEVATIONS 490.73' 491.71' Note: Top of pipe= 491.75' INLET A x- 0.7x0 AC x x x x x X-1 C - - a:66- x T. - 16.8 MIN x IOC= POWER POLE 500.09 J VP N898 i A 11 S A 8 IN LINK FENCE V /RG /N/A ELECTF C & POWER COMPANY IOC= 8' CHAIN LINK fENCE 500.10 PARCEL lD: C 200-00 -00 -03700 O/H ELECTRIC ` ' D8. ED: PG. 100 SET- -- (TYP /CAL) - %, T 4 ~ ' 7 E - - - - /PMENr tfCCE55` PATH- - - R99 A 1 \ I ° /' ° STRUCTURE ' GUY ANCHOR - - _ - - - - - - \ 1 ° I ° .•' " 112 0 5 4/5 82 POWER POLE" (TYPICAL) 7 _ .�+•-= -" - - - - - - - - - - 5 VP NB9T ,° I \ . - 7R0 - _ \ \ I ' / ... - _ °,,.•'�° �/• 9.60 -- _•)'- -_.,. =,'C POST -r" --' -• HOUSf - -•' - _ INLET ^ 5:• _ 1.• OMITS b� '�' >- �' °+ ` 1 x I 1 TC 49 05 .11. t / 6 roc= x 1 GRAVED ° ,�" '•. PO VP N97b1` .' I 1 1 49 .59 4 0C A 2'16• 4 9. - ` 1 i �rO� ' I 498.57 i ', NQ . ✓ ° `''°'•°• , -' / TELEPHONE 1 � .✓" UGt�" ♦. PEDESTAL I TOC= 70C= I GO /� •', kg� _8.62 498.6 C= TC= IOC= , 1 I °" 0/N .. , _ _ POWER -POLE I 498.57 VP NBV6 x \ \,-t _ __. ____._ __ _ OVERH 4 ECEC. GOES U/ �' ' - .a_ -•'\ -T C= '-•- '- ,_ C/GfiT 11 IOC= OC= roc= r • - J " tOR I• \ \� 498.39 8.59 B O 1' - ___.-•' 2y e 498.59' AP SET g0 / J 'II ,•• I SEI ' 0.00' x \ O Er - 77 ---- _ --- 497J7 97.3 ' I \ \\ 4 ° GUY ANCHOR, R L 497.31 O 97. 49Z29" 97.29 I {rYPI / J I 4 k91 \ 1 I � 1 •, \ \ rnr= r TC= r 64CKB *E, I .1!.'• 1 / Z 50 \ \ '% 2 497.3 9 STRUC. E 1 " 97.50 -� \ \,. rav►iat 2054, -- ✓ LIMITS OF -a1, • • _ _ _ 0.. GRAVEL I QTOC•= . roc= C= T r= rnr i I A�6.2 497.46 \ 4 .2 49 , , I + WORDS i ROD & I I O TOC= - -CAP SET - -.. - ._ - - - - - / / 1x n 497.49 .. ` '' • EQUIPMENT ACCESS ATH I - - E C OF - / ... M1 WOODS - - - - -. .- - •• tJ axaL . r x: q .� .: . ..YYw'e1•allt7t: L: :i' :'ltti.: :'iG`:' _ nii�ei+s.iiru / _ ___ _ YiiT ✓ tit4�f 7C 9 2 -• _ _ .ROD F,d. --� �`"• \' .,,,,,. RIP W, Vii_/ - - - - - . _ ., /O /• • °\ _ �� "`.� \`! -�, - ,,,,gg6 °� �'° •• -",1�0 / 6 ,iY 0 ,O D �" //± %� . /t� ....•....\ \1 _ - EDGE_OF - \�� _ W 0'0 •D_ S ED rAL 100, / LIMITS_ OF / ,'ROO Pd. // I. RIP -RAF - . 10' vV.GE EASEMENT ® �R� \�,f► ��� O'` ®` P.R. 728 ;PG. 100 'INV. EL I- -_INK f:-_ / /' "• in i "' " ` '� ` _ �` , \°•- ~\ 475.14 ,'�1f 475.01�,'i _ _�Ti'' ` ..`•` `• \.,`\' - \�J \Y \ \�\ 12- DIP'121 �%/ R65'Q TOP OF WATER �• v • - - , - \ �° \� EL 473.0 ,�Fyq�` , • 1 `\,�� \` i . • /RDA Fd. / / �,, "�'�S'��^ L A K E T` ,JAi'• h�5� / INV. EC. - - - �� ` e ` `, �59 • • , \`` \`` 0� - t� 473.97 FOREST LAKES COMMUNITY ASSOC/A770N, INC. / � NV EL PARCEL /D: 04664 00 00 OCOAO ROD Fa. art . •' f •� / //// 473.92 D.B. 1304 PG. 346 EDGE OF ° �'y (BEN)) ZONED: R -1 WATER •/�,ECE,OF' ' • / /�/ l wpoDS .•' ��.� / �.•+I/ EDGE OF ,S WATER POST -DEVELOPMEINT STORMWATER DRAINAGE AREA MAP R MS -19 CHANNEL STABILITY( Slope: 9.8_% Bot'm Width 0.25 ft _ n value: riprap 0.024 -- _ - Side Slopes: 2:1 _ Top Width 4 ft _ max depth ` _ 1 ft ,, 2 58 , 2:39 d2iv2 0.375 0 405 C10 7.53 a 3 42 <7.53 ' i t2.70 d10 0.425 - <0.425 _ Existing- Proposed -- - - - - - -- - - -- - Q - v A -- V = (1.486/n) Rh. 2/3 S1/2 Rh = A/P - I - Foundation Cells for Other Typioal (Pier) (Spread) Steel Detail & Assembly Dominion- \10 Professional Engineer / IrDominion" Approval ,•4A' x�•,. SWM DRAINAGE AREA PLAN HOLLYMEAD SUBSTATION NOT 0 11 ALBEMARLE COUNTY, VIRGINIA OFFSITE CONTOURS CREATED FROM ALBEMARLE COUNTY GIS RLEI -A. H PER Name Date Project No. Sheet No. Lie. No. 0360 9 Designed by* CAH 1/10/13 992310 Approvals CAH 1/10/13 Scale 9 OF 1 0 40 0 40 80 4 4, O Approvals 11=40' sca I e feet �•1��AL�® B/M No. Revisions 0000 Cad File Name 0600085a.dgn Drawing No. PLOTTED: ; •A #A>t•$$ *$#SYTIME 0600 -005 W g 1= r N N N N N N N N N C N W � Wa o v G ,3aa.N C rn tS1 m in cn G 0 1 2 3 4 5 7 8 9 10 11 - -- --- - - - - -- --------=-----------=-------------==------- •-- - - - - -= - - -- \ \\ �- ------------ - - -� -. ------ - - - - -- ------------- - - - - -- - - - - -- - - - -- I ��• ------------ x ' e TOO= �•• �-- _ l 5000.0.0 500.15 9 _ f VP N896 . x HOLLYMEAD SUBSTATION TOC= 8' CHAIN LINK FENCE ' VIRGINIA ELECTRIC & POWER COMPANY TOC- 500.11 8' CHAIN LINK PARCEL ID: 03200 -00 -00 -03700 500.10 ROD & GRASSED S W AL E \ O/H ELECTRIC-4 DB. 728, PG. 100 CAP SET - ATYPICAL) - - ZONED: R -1 _____ -_ - °- °------ ---- - - - - -- 1 ' '�� _ _ w \ FENCE _--- °_ _______ __ ______ -- 0k ..\ I _ \ i . " GUY ANCHOR _ GATE EQUIPMENT ACCESS PATH I 4, POWER .,.,,,,(�AL) _ I - ♦ r-- ---------- --- CABLE- - - - - -, - - - ` � _`\ VP N697- • _ _ _ -� • I \ ! TROUGH 0499.60 o TOC= \ \ I \' i ° ✓ ° �' / ' -- ---- -- r. 1 � ! /%% • --- 499.56 � r- -- _ I - -- _ ..._.l -----�HO SEi- . LIMIT NT \ ° \ ( J.%,• ( ■ ! ��•' j 1 x I TOC= i F. EL./1 499.05 TOC= rOC'= �\ \ x I GR9V L; I ! ;�, •�' '�, °�° �, !! 499.07 GRAVEL 499.40 \ ° /'' ° ✓ ° 1 PO I I i 499.59 ; 99.80) 1 ��5•. ,. VP NB7� \' O�N TOO �• /,. �� ��;'I TELEPHONE I o - 498.57 ` 1 I °�° �P,EDESTAL I 1 0 � TOC= TOC= ° GOB,, . /. 1 1 kg$ TOC= 498.60 TOC= r0C = I I �.°"° O/0 POWER -POLE 1 \ t- "' • . _ _ _ . _ _ - - - - - 498.62 0 O 0 498.63 498.58 0 0 498.57 I r, " �[ x \ , -VP NBE6 /`` I \ \; ---- OVERHEADI EIPT. GOES U�C/ I 70C= �L/GHr I °�' roc= 4sa.s2 roc= roc- roc= roc= 498.39 C% O 498.59 497.99 ❑ 0 498.61 0 498.60 ; a �° °_ _ -1. I 1' 11 L / 0 25 r I SilgSTi�i�rrMV TOC= CAP SET ROD OWN °1�' % A 498.59 --- ---•-- -- CAP SET - 1 + •� i x S7,i'04'1� \ '30.00' Toc= roc= '3o. oo' roc- I ° - \ C P ET �4��780 49�� TOCQ497310 r9G 1 -��r 4� 4 0 ACRE S . ,.- •._ 497.30 GUYANC/lOR / 1 \ \ TOC= OTOO= TOC =o 497.31 T0C =® - -_,,, 1i I I i�w.,•' I \ \ GRAVEL O 497.31 497.29 497.29 4 .... (TYP /CAL) / / i +k9� 3 \ \ \ \ \ 497.31 0 ° .' ® I I + R •',�' TO TOC= TOC= TOG= BACKBONE, 1 I I'� I WQ I T'E ARE A x TOC= \ \ \ E "� 0 497.32 0 497.30 497, 28 O 497.29 STRUCTURE - ' x _ LIMITS OF -�..-" ---- �� �w` 0 \� 497 501 J/2 54/583 j Q M I x•E D GRAVEL 1 0roc= `\ roc =O 0roc= roc80 roc =0 �,: ;. �/ i ik�62 •s . I 497.46 497.31 497.31 497.28 497.30 %• I\ DIRECT D I S C H A R G E I R00 & TOC= _ _ CAP SEr f: / I x 497.49 -- - - - - _-�____ °__- -- :-J / x EQUIPMENT ACCESS -- _ ______ _____ _______ _____________ 9 _.._ , TO F0 R E S T ,LA K ES • +h9� 4" TREE 12�" TREEv 8 . 8 "TREEy� ROND EDGE OF - _ WOODS . «. •TkR{G;AL -. t. . .- ' - 5 G; - .. 9 k Yw1/ :rY.lwyvy.Yr1-- --- -C-. -- �L=r rr.^-��w��v��v s_�• �}y _'G'lYfi:IJ}'i.fY!!Yl l.Yi�]Clr�w.►v�r- .av��v�:}•Z ✓ / ELECTRIC -- ..,_;, _ - -.1► - f _--- .- 3-?" =' - -- �/ `� TRANSFORMIER .+.' _--== - - - - -- - -- -=�' - _ -- -- - - - - -- - - - - - -- --- - - -_ - �� • / " 4934.94 - - - -_ =- - -- - -- _ - - - - -- - - - =- - - -- =494 -_ - - - - -= - - - - -�� ----- -- _ -- ........... 3 TELEPHONE p$� ✓ / / AL r ...,. ®J /J'/ r �.. 1 / EDGE O - ... _ _ - /•el / �, ""- \� �_ WOODS F GRASSE,� S.WALE / �r r ROD F RIP- RAP- - aTCH�- . / 6 •••, / /I 0,5$ `"°'490 + MIXED A \` . 6 O O / /� ✓ �; 1 �` EDGE OF . \. \� W O'O D. S 89 / WOODS \� ♦ �+ TELEPHjfi1/E� 'I, S S-E D - S.W AL`5 _ '♦ PEDJS1AL / T. uws OF O 'ROD F ' // . A01 10' 04AAGE E/ISEMENT \ / ,r� 8. 7S8 ,'PG. 100 i ■ ,�- • INV. L ` ■ INV. EL j�� ��'•- / % -/ �a�j, • . \� TOP OF WATER I ■ �y %' # ,� , i EL. 473.0 .! �� �- --- LAKE INV. EL. e ✓ ■ / / '� +.' 473.87 FOREST LAKES COMMUNITY ASSOCIATION, INC. ■ / ,' �` INV. EL. PARCEL ID: 04664- 00- 00 -000AO • . , / , � �� 473.92 D.B. 1304 PG. 346 EDGIE 0 ` � ` ROD EN VV il,* i • �� -rEDGE OF' , ZONED: R -1 W /ATER ` BENT / W,OODS EDGE OF ! •� / ', i WATER 0� i/ ,✓� All WATER QUALITY SITE AREA MAP U z 1. / O \ / UW W� W Cr U Wmz I / U2 = >¢f 0 a Wu.o m i c 0 a o E I // CL n. z X i U 0 m I / U Q 0 1;o 0 n Revisions 1 r Typical Drawing Library Location Cell Name B/M Assembly Pipe Stand Foundation Cells (Pier) Pipe Stand Foundation Cells (Spread) Foundation Cells for Other Typical Struotures Steel Detail & Assembly *USERNAME* Inf ol- mation (Pier) (Spread) 12 I 1 Ii I I 1 I Short Version BMP Computations / Albemarle County Water Protection Ordinance: Modified Simple Method Plan: Hollymead Substation Expansion Water Resources Area: Development Area Preparer: Geosyntec Consultants, Inc. Date: 16- Feb -99 Project Drainage Area Designation Hollymead Substation site L storm pollutant export in pounds, L = [P(Pj)Rv /12 ] [ C(A)2.72 ] Rv mean runoff coefficient, Rv = 0.05 + 0.009(1) Pi small storm correction factor, 0.9 1 percent imperviousness P annual precipitation, 43" in Albemarle A project area in acres in subject drainage area, A = s4 40 C pollutant concentration, mg/I or ppm target phosphorus f factor applied to RR V required treatment volume in cy, 0.5" over imperv. area = A(1)43560(0.5/12)/27 RR required removal , L(post) - f x L(pre) %RR removal efficiency , RR100 /L(post) Impervious Cover Computation (values in feet & sauare feetl Item V 1 0127 E or-TreO Lei . - I - pre - development '• •�' Drinking Water Watersheds Area post - development TO Area Roads Length 01 o Width 0 - -- o subtotal 0 Length Width 0 0 0 0 0 0 subtotal 0 0 0 0 0 0 -� 0 0 0 Driveways Length and walks 01 01 Width 0 0 no. 0 01 subtotal 0 0 0 0 Length Width no. subtotal 0 0 0 0 0 0 0 0 0 0 Parking Lots 1 0 2 3 4 0 1 2 3 4 0 0 0 Graved areas Area x 0.70 = 39639.6 Area x 0.70 = 42688.8 56628 60984 Structures Area 0 0 0 no. _ 0 0 subtotal 0 0 0 0 Area no. 0 1 0 0 subtotal 0 0 0 0 Actively- grazed pasture & yards and cultivated turf y d Area 52272 0.08 = x 4181.7 6 Area 47 - 916 x 0.08 - 3833.28 Active crop land Area x 0.25 = 0 Area x 0.25 _ 0 Other Impervious Areas 0 0 impervious mover (post) V 1 0127 I(pre) New Development (For Development Areas. existing imnervinus cnvpr <_ 9nOi) L 24 27% I(post) o o nor fir o o I �,, r� 4NII � E or-TreO Lei . - I - Development Ar- '• •�' Drinking Water Watersheds I I Drinking Water Watersheds TO - min. values Redevelopment (For Development Areas. existina impervious cover > 20 0%) x o n o p o� E or-TreO Lei . - I - r' '• •�' Drinking Water Watersheds I I , • • Other • GRASSED SWALE S517.; EFF. =15% REMOVAL ■ ■ ■ ■ ■ ■ ■ WATER QUALITY SITE AREA NOTE OFFSITE CONTOURS CREATED FROM ALBEMARLE COUNTY G.I.S. Dominion, Professional Engineer Approval 30' 0 30' 60' scale feet :;1WVominioW M�ov- , , - 0 WATER DUALITY PLAN Q� HOLLYMEAD SUBSTATION ALBEMARLE COUNTY, VIRGINIA W CkIAF2L NE A+ i RPER Name Date Project No. Sheet No. in Lic. No 0360 9 •. Designed by CAH 7/2/13 992310 « W�. M Approvals CAH 7/2/13 Scale OF 1 « i9i 5�, ® �tlC' Approvals 1' =30' « t�� NAL rd N B/M No. Revisions « 0000 v w Cad File Name 0600085a.dgn Drawing No. o PLOTTED: * *s * * * * * * * *SYTIME 0600 -085 .o a