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Home My WebLink AboutWPO201700034 Plan - E&S 2017-08-14931PI 171LUD I i�� k I I A�& A& 9 IN MANIalk ilf�: PRO RTY IM ROV M NTS ALBEMARLE COUNTY PLAN GENERAL NOTES GENERAL CONSTRUCTION NOTES 1. PRIOR TO ANY CONSTRUCTION WITHIN ANY EXISTING PUBLIC RIGHT-OF-WAY, INCLUDING CONNECTION TO ANY EXISTING ROAD, A PERMIT SHALL BE OBTAINED FROM THE VIRGINIA DEPARTMENT OF TRANSPORTATION (VDOT). THIS PLAN AS DRAWN MAY NOT ACCURATELY REFLECT THE REQUIREMENTS OF THE PERMIT. WHERE ANY DISCREPANCIES OCCUR THE REQUIREMENTS OF THE PERMIT SHALL GOVERN. 2.ALL MATERIALS AND CONSTRUCTION METHODS SHALL CONFORM TO CURRENT SPECIFICATIONS AND STANDARDS OF VDOT UNLESS OTHERWISE NOTED. 3.EROSION AND SILTATION CONTROL MEASURES SHALL BE PROVIDED IN ACCORDANCE WITH THE APPROVED EROSION CONTROL PLAN AND SHALL BE INSTALLED PRIOR TO ANY CLEARING, GRADING OR OTHER CONSTRUCTION. 4.ALL SLOPES AND DISTURBED AREAS ARE TO BE FERTILIZED, SEEDED AND MULCHED. 5.THE MAXIMUM ALLOWABLE SLOPE IS 2:1 (HORIZONTAL: VERTICAL). WHERE REASONABLY OBTAINABLE, LESSER SLOPES OF 3:1 OR BETTER ARE TO BE ACHIEVED. 6.PAVED, RIP -RAP OR STABILIZATION MAT LINED DITCH MAY BE REQUIRED WHEN IN THE OPINION OF THE COUNTY ENGINEER, OR DESIGNEE, IT IS DEEMED NECESSARY IN ORDER TO STABILIZE A DRAINAGE CHANNEL. 7.ALL TRAFFIC CONTROL SIGNS SHALL CONFORM WITH THE VIRGINIA MANUAL FOR UNIFORM TRAFFIC CONTROL DEVICES. &UNLESS OTHERWISE NOTED ALL CONCRETE PIPE SHALL BE REINFORCED CONCRETE PIPE - CLASS Ill. 9.ALL EXCAVATION FOR UNDERGROUND PIPE INSTALLATION MUST COMPLY WITH OSHA STANDARDS FOR THE CONSTRUCTION INDUSTRY (29 CFR PART 1926). GENERAL CONSTRUCTION NOTES FOR EROSION AND SEDIMENT CONTROL PLANS 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 0)R 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. &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. 1O. ALL FILL MATERIAL TO BE TAKEN FROM AN APPROVED, DESIGNATED BORROW AREA, 11. ALL WASTE MATERIALS SHALL BE TAKEN TO AN APPROVED WASTE AREA. EARTH FILL SHALL BE INERT MATERIALS ONLY, FREE OF ROOTS, STUMPS, WOOD, RUBBISH, AND OTHER DEBRIS. 12. BORROW OR WASTE AREAS ARE TO BE RECLAIMED WITHIN 7 DAYS OF COMPLETION PER ZONNG ORDINANCE SECTION 5.1.28. 13. ALL INERT MATERIALS SHALL BE TRANSPORTED IN COMPLIANCE WITH SECTION 13-301 OF TFE CODE OF ALBEMARLE. 14. BORROW, FILL OR WASTE ACTIVITY INVOLVING INDUSTRIAL -TYPE POWER EQUIPMENT SHALL BE LIMITED TO THE HOURS OF 7: OQAM TO 9: OOPM. 15. BORROW, FILL OR WASTE ACTIVITY SHALL BE CONDUCTED IN A SAFE MANNER THIAN MAINTAINS LATERAL SUPPORT, OR ORDER TO MINIMIZE ANY HAZARD TO PERSONS, PHYSICAL DAMAGE TO ADJACENT LAND AND IMPROVEMENTS, AND DAMAkGE 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 MULCHING. 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 TO BE APPLIED AT 80LBS/10OOSF. 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/1OOOSF, INCORPORATED INTO THE TOP 4-6 INCHES OF SOIL. FERTILIZER SHALL BE APPLIED AT 1000LBS/ACRE AND CONSIST OF A 10-20-10 NUTRIENT MIX. PERMANENT SEEDING SHALL BE APPLIED AT 18OLBS/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/1000SF. 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 1S TO BE REPAIR IMMEDIATELY. SILT TRAPS ARE TO BE CLEANED WHEN 50% OF THE WET SITORAGE 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 17-204G.) 22. PERMANENT VEGETATION SHALL BE INSTALLED ON ALL DENUDED AREAS WITHIN NINE (9) MONTHS AFTER THE DATE THE LAND DISTURBING ACTIVITY COMMENCED. (WATER PROTECTION ORDINANCE SECTION 17-207B) These documents, including drawings and specifications, were prepared by Draper Aden Associates, Consulting Engineers, pursuant to a contract by and between Draper ,Aden Associates and Mr. & Mrs. Tim Davis with respect to the project described in saiid contract. Any reuse or modification of said documents (whether hard copy or electronic) without written verification or adaptation by Draper Aden Associates for the speciific purpose intended will be at the sole risk of the individual or entity utilizing said documents, drawings and specifications and such use is without the authorizationi of Draper Aden Associates. Draper Aden Associates, Consulting Engineers, shall have no legal liability resulting from any and all claims, damages, losses, and expenses, including attorney's fees arising out of the unauthorized use of these documents, drawings,, specifications, reports, and studies prepared as a result of the aforesaid contract. THESE PLANS HAVE BEEN SUBJECTED TO TECHNICAL AND QUALITY REVIEWS BY: ANDREW J. HEMMEN, E.I.T. PROJECT DESIGNER1� . E. CAMPBELL BOLTON, P.E. NAME: PRINTED SIGNATURE DATE PROJECT MANAGER CHRISTOPHER E. SONNE, P.E. NAME: PRINTED SIGNATURE DATE QUALITY REVIEWER The Contractor shalll designate an employee certified as the "Responsible Land Disturber" (RLD), by the Commonwealth of Virginia, Department of Environmental Quality (VADEQ), who is in charge of and is responsible for carrying out the land -disturbing activities on this project. This employee shall also inspect for deficiencies immediately after each rainfall, at least daily during prolonged rainfall, and at least weekly when no rainfall occurs. Contractor shall provide written documentation to the VADEQ identifying the RLD prior to land disturbance. In the interim until the work starts, E. Campbell Bolton, P.E., Draper Aden Associates, is the RLD. ALBEMARLE COUNTY, VIRGINIA VICINITY MAP ALBEMARLE COUNTY, VIRGINIA (GIS) 1 " = 1000, THE PROJECT PROPOSES TO CONSTRUCT APPROXIMATELY 5,350 LINEAR FEET OF ASPHALT & GRAVEL DRIVEWAYS TO SERVICE THE RESIDENCE AND ASSOCIATED BUILDINGS AT 1575 INGLERIDGE FARM IN ALBEMARLE COUNTY, VIRGINIA. AN ADDITION TO THE RESIDENCE IS ALSO PART OF THE PROJECT, BUT IS DETAILED IN A SEPARATE ARCHITECTURAL PACKAGE. ALL PLANTINGS TO BE PER SEPARATE LANDSCAPE PACKAGE. THESE EROSION & SEDIMENT CONTROL AND STORMWATER MANAGEMENT PLANS ACCOUNT FOR ALL IMPERVIOUS AREA AND DISTURBANCE ASSOCIATED WITH THESE ACTIVITIES. AUGUST 14, 2017 DAA P ROJ ECT NO.: C 16101 C-01 RESPONSIBLE LAND DISTURBER I, ----------------- identify ---------- Cert. No. ---- as the! individual in charge of and responsible for land disturbing activiities associated with this erosion and sediment control plan. 11 agree to notify DEQ in writing should I transfer this responsibility to another certified individual before the completion of this project and the release of the erosion and sediment ccontrol bond. -------------- ------- Owner/Developer Date APPRtWE D by ?.voIrinty Daoe File NOTE: CONTRACTOR TO CONTACT VA811.COM, DIAL "811" OR 1-800-552-7001, AT LEAST 3 WORKING DAYS IN ADVANCE OF PLANNED WORK. CONTACT INFORMATION OWNER/DEVELOPER: MR. & MRS. TIM DAVIS ADDRESS: 501 LEXINGTON AVENUE CHARLOTTESVILLE, VA 22902 OWNER CONTACT: TIM DAVIS EMAIL ADDRESS: TDAVIS@GUARDIANPOINTLP.COM ENGINEER: DRAPER ADEN ASSOCIATES CONTACT: E. CAMPBELL BOLTON, P.E. ADDRESS: 110 AVON STREET CHARLOTTESVILLE, VA 22902 TELEPHONE NO: 434-295-0700 EMAIL ADDRESS: CBOLTONODAA.COM SOURCE OF SURVEY: ROGER W. RAY & ASSOCIATES, INC. CONTACT: BRIAN S. RAY, L.S. ADDRESS: 1717 1-13 ALLIED STREET CHARLOTTESVILLE, VIRGINIA 22903 TELEPHONE NO: 424-293-3195 EMAIL ADDRESS: RWRINC@EARTHLINK.NET PROPERTY INFORMATION PARCEL ID: GPIN: TOTAL ACRES: ADDRESS: OWNER: ZONING: HISTORICAL INFORMATION: PRESENT/PROPOSED USE: EXISTING IMPERVIOUS AREA: PROPOSED IMPERVIOUS AREA TOTAL DISTURBED AREA:. FLOODPLAIN: 06000-00-00-002A1 06000-00-00-002A2 476991914769 477209913501 156.8 ACRES 1575 INGLERIDGE FARM, CHARLOTTESVILLE, VA 22901 MR. & MRS. TIM DAVIS RURAL AREA NONE PRIVATE RESIDENCE 2.68 ACRES 2.49 ACRES 23.01 ACRES ZONE X, FIRM PANEL 0260, MAP NO. 510006, FEB. 4, 2005 Sheet List Table Sheet Number Sheet Tide C0.0 COVER SHEET C0.1 GENERAL i',TOTES & LEGEND CO.2 EROSION & SEDIMENT CONTROL & STORMWATER MANAGEMENT NARRATIVE C1.0 TOPOGRAPHIC SURVEY (SHEET 1 OF 3) C1,1 TOPOGRAPHIC SURVEY (SHEET 2 OF 3) C1.2 TOPOGRAPHIC SURVEY (SHEET 3 OF 3) C1.3 TOPOGRAPHIC SURVEY (SHEET 1 OF 4) C1.4 TOPOGRAPHIC SURVEY (SHEET 2 OF 4) C1.5 TOPOGRAPHIC SURVEY (SHEET 3 OF 4) C1,6 TOPOGRAPHIC SURVEY (SHEET 4 OF 4) C2.0 OVERALL SITE & MITIGATION PLAN C2.1 EROSION & SEDIMENT CONTROL PHASE 1 PLAN C2.2 EROSION & SEDIMENT CONTROL PHASE 1 PLAN C2.3 EROSION SEDIMENT CONTROL PHASE 1 PLAN C2.4 _& EROSION & SEDIMENT CONTROL PHASE 1 PLAN C2.5 EROSION & SEDIMENT CONTROL PHASE 1 PLAN C3.1 EROSION & SEDIMENT CONTROL PHASE 2 PLAN C3.2 EROSION & SEDIMENT CONTROL PHASE 2 PLAN C3.3 EROSION & SEDIMENT CONTROL PHASE 2 PLAN C3.4 EROSION & SEDIMENT CONTROL PHASE 2 PLAN C3.5 EROSION & SEDIMENT CONTROL PHASE 2 PLAN C4.1 ROAD PLAN & PROFILE C4.2 ROAD PLAN & PROFILE C4.3 ROAD PLAN & PROFILE C4.4 ROAD PLAN & PROFILE C4.5 ROAD PLAN & PROFILE C4.6 ADDITIONAL ROAD PROFILES C5.0 EROSION & SEDIMENT CONTROL DETAILS C5,1 EROSION & SEDIMENT CONTROL DETAILS C5.2 PAVEMENT & STORM SEWER DETAILS C6.0 DRAINAGE AREA MAP OPT E. �105'OELL;OLT)ON�_� Lie. No. 051495 54! ZCD Z 0U.Z • � s REVISIONS DESIGNED BY: ELSD DRAWN BY: AJH CHECKED BY - CES SCALE: NO SCALE DATE: AUGUST 14, 2017 PROJECT NUMBER: C 16101 C-01 rON A VIRGINIA EROSION AND SEDIMENT CONTROL PLAN MUST BE CONSISTENT WITH THE FOLLOWING CRITERIA, TECHNIQUES AND METHODS - MS -1. PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO DENUDED AREAS WITHIN SEVEN DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THE SITE. TEMPORARY SOIL STABILIZATION SHALL BE APPLIED WITHIN SEVEN DAYS TO DENUDED AREAS THAT MAY NOT BE AT FINAL GRADE BUT WILL REMAIN DORMANT FOR LONGER THAN 14 DAYS. PERMANENT STABILIZATION SHALL BE APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR MORE THAN ONE YEAR. MS -2. DURING CONSTRUCTION OF THE PROJECT, SOIL STOCK PILES AND BORROW AREAS SHALL BE STABILIZED OR PROTECTED WITH SEDIMENT TRAPPING MEASURES. THE APPLICANT IS RESPONSIBLE FOR THE TEMPORARY PROTECTION AND PERMANENT STABILIZATION OF ALL SOIL STOCKPILES ON SITE AS WELL AS BORROW AREAS AND SOIL INTENTIONALLY TRANSPORTED FROM THE PROJECT SITE. MS -3. A PERMANENT VEGETATIVE COVER SHALL BE ESTABLISHED ON DENUDED AREAS NOT OTHERWISE PERMANENTLY STABILIZED. PERMANENT VEGETATION SHALL NOT BE CONSIDERED ESTABLISHED UNTIL A GROUND COVER IS ACHIEVED THAT IS UNIFORM, MATURE ENOUGH TO SURVIVE AND WILL INHIBIT EROSION. MS -4. SEDIMENT BASINS AND TRAPS, PERIMETER DIKES, SEDIMENT BARRIERS AND OTHER MEASURES INTENDED TO TRAP SEDIMENT SHALL BE CONSTRUCTED AS A FIRST STEL`' IN ANY LAND -DISTURBING ACTIVITY AND SHALL BE MADE FUNCTIONAL BEFORE UPSLOPE LAND DISTURBANCE TAKES PLACE. MS -5. STABILIZATION MEASURES SHALL BE APPLIED TO EARTHEN STRUCTURES SUCH AS DAMS, DIKES AND DIVERSIONS IMMEDIATELY AFTER INSTALLATION. MS -6. SEDIMENT TRAPS AND SEDIMENT BASINS SHALL BE DESIGNED AND CONSTRUCTED BASED UPON THE TOTAL DRAINAGE AREA TO BE SERVED BY THE TRAP OR BASIN. A. THE MINIMUM STORAGE CAPACITY OF A SEDIMENT TRAP SHALL BE 134 CUBIC YARDS PER ACRE OF DRAINAGE AREA AND THE TRAP SHALL ONLY CONTROL DRAINAGE AREAS LESS THAN THREE ACRES. B. SURFACE RUNOFF FROM DISTURBED AREAS THAT IS COMPRISED OF FLOW FROM DRAINAGE AREAS GREATER THAN OR EQUAL TO THREE ACRES SHALL BE CONTROLLED BY A SEDIMENT BASIN. THE MINIMUM STORAGE CAPACITY OF A SEDIMENT BASIN SHALL BE 134 CUBIC YARDS PER ACRE OF DRAINAGE AREA. THE OUTFALL SYSTEM SHALL, AT A MINIMUM, MAINTAIN THE STRUCTURAL INTEGRITY OF THE BASIN DURING A 25 -YEAR STORM OF 24-HOUR DURATION. RUNOFF COEFFICIENTS USED IN RUNOFF CALCULkTIONS SHALL CORRESPOND TO A BARE EARTH CONDITION OR THOSE CONDITIONS EXPECTED TO EXIST WHILE THE SEDIMENT BASIN IS UTILIZED. MS -7. CUT AND FILL SLOPES SHALL BE DESIGNED AND CONSTRUCTED IN A MANNER THAT WILL MINIMIZE EROSION. SLOPES THAT ARE FOUND TO BE ERODING EXCESSIVELY WITHIN ONE YEAR OF PERMANENT STABILIZATION SHALL BE PROVIDED WITH ADDITIONAL SLOPE STABILIZING MEASURES UNTIL THE PROBLEM IS CORRECTED. MS -8. CONCENTRATED RUNOFF SHALL NOT FLOW DOWN CUT OR FILL SLOPES UNLESS CONTAINED WITHIN AN ADEQUATE TEMPORARY OR PERMANENT CHANNEL, FLUME OR SLOPE DRAIN STRUCTURE. MS -9. WHENEVER WATER SEEPS FROM A SLOPE FACE, ADEQUATE DRAINAGE OR OTHER PROTECTION SHALL BE PROVIDED, MS -10. ALL STORM SEWER INLETS THAT ARE MADE OPERABLE DURING CONSTRUCTION SHALL BE PROTECTED SO THAT SEDIMENT -LADEN WATER CANNOT ENTER THE CONVEYANCE SYSTEM WITHOUT FIRST BEING FILTERED OR OTHERWISE TREATED TO REMOVE SEDIMENT. MS -11. BEFORE NEWLY CONSTRUCTED STORMWATER CONVEYANCE CHANNELS OR PIPES ARE MADE OPERATIONAL, ADEQUATE OUTLET PROTECTION AND ANY REQUIRED TEMPORARY OR PERMANENT CHANNEL LINING SHALL BE INSTALLED IN BOTH THE CONVEYANCE CHANNEL AND RECEIVING CHANNEL. MS -12. WHEN WORK IN A LIVE WATERCOURSE IS PERFORMED, PRECAUTIONS SHALL BE TAKEN TO MINIMIZE ENCROACHMENT, CONTROL SEDIMENT TRANSPORT AND STABILIZE THE WORK AREA TO THE GREATEST EXTENT POSSIBLE DURING CONSTRUCTION. NONERODIBLE MATERIAL SHALL BE USED FOR THE CONSTRUCTION OF CAUSEWAYS AND COFFERDAMS. EARTHEN FILL MAY BE (USED FOR THESE STRUCTURES IF ARMORED BY NONERODIBLE COVER MATERIALS. MS -13. WHEN A LIVE WATERCOURSE MUST BE CROSSED BY CONSTRUCTION VEHICLES MORE THAN TWICE IN ANY SIX-MONTH PERIOD, A TEMPORARY VEHICULAR STREAM CROSSING CONSTRUCTED OF NONERODIBLE MATERIAL SHALL BE (PROVIDED. MS -14. ALL APPLICABLE FEDERAL, STATE AND LOCAL REQUIREMENTS PERTAINING TO WORKING IN OR CROSSING LIVE WATERCOURSES SHALL BE MET. MS -15. THE BED AND BANKS OF A WATERCOURSE SHALL BE STABILIZED IMMEDIATELY AFTER WORK IN THE WATERCOURSE IS COMPLETED. MS -16. UNDERGROUND UTILITY LINES SHALL BE INSTALLED IN ACCORDANCE WITH THE FOLLOWING STANDARDS IN ADDITION TO OTHER APPLICABLE CRITERIA: A. NO MORE THAN 500 LINEAR FEET OF TRENCH MAY BE OPENED AT ONE TIME. B. EXCAVATED MATERIAL SHALL BE PLACED ON THE UPHILL SIDE OF TRENCHES. C. EFFLUENT FROM DEWATERING OPERATIONS SHALL BE FILTERED OR PASSED THROUGH AN APPROVED SEDIMENT TRAPPING DEVICE, OR BOTH, AND DISCHARGED IN A MANNER THAT DOES NOT ADVERSELY AFFECT FLOWING STREAMS OR OFF-SITE PROPERTY. D. MATERIAL USED FOR BACKFILLING TRENCHES SHALL BE PROPERLY COMPACTED IN ORDER TO MINIMIZE EROSION AND PROMOTE STABILIZATION. E. RESTABILIZATION SHALL BE ACCOMPLISHED IN ACCORDANCE WITH THIS CHAPTER. F. APPLICABLE SAFETY REQUIREMENTS SHALL BE COMPLIED WITH. MS -17. WHERE CONSTRUCTION VEHICLE ACCESS ROUTES INTERSECT PAVED OR PUBLIC ROADS, PROVISIONS SHALL BE MADE TO MINIMIZE THE TRANSPORT OF SEDIMENT BY VEHICULAR TRACKING ONTO THE PAVED SURFACE. WHERE SEDIMENT IS TRANSPORTED ONTO A PAVED OR PUBLIC ROAD SURFACE, THE ROAD SURFACE SHALL BE CLEANED THOROUGHLY AT THE END OF EACH DAY. SEDIMENT SHALL BE REMOVED FROM THE ROADS BY SHOVELING OR SWEEPING AND TRANSPORTED TO A SEDIMENT CONTROL DIISPOSAL AREA. STREET WASHING SHALL BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED IN THIS MANNER. THIS PROVISION SHALL APPLY TO INDIVIDUAL DEVELOPMENT LOTS AS WELL AS TO LARGER LAND -DISTURBING ACTIVITIES. MS -18. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVEtD WITHIN 30 DAYS AFTER FINAL SITE STABILIZATION OR AFTER THE TEMPORARY MEASURES ARE NO LONGER NEEDED, UNLESS OTHERWISE AUTHORIZED BY THE VESCP AUTHORITY. TRAPPED SEDIMENT AND THE DISTURBED SOIL AREAS RESULTING FROM THE DISPOSITION OF TEMPORARY MEASURES SHALL BE PERMANENTLY STABILIZED TO PREVENT FURTHER EROSION AND SEDIMENTATION. MS -19. PROPERTIES AND WATERWAYS DOWNSTREAM FROM DEVELOPMENT SITES SHALL BE PROTECTED FROM SEDIMENT DEPOSITION, EROSION AND DAMAGE DUE TO INCREASES IN VOLUME, VELOCITY AND PEAK FLOW RATE OF STORMIWATER RUNOFF FOR THE STATED FREQUENCY STORM OF 24-HOUR DURATION IN ACCORDANCE WITH THE FOLLOWING STANDARDS AND CRITERIA. STREAM RESTORATION AND RELOCATION PROJECTS THAT INCORPORATE NATURAL CHANNEL DESIGN CONCEPTS ARE NOT MAN-MADE CHANNELS AND SHALL BE EXEMPT FROM ANY FLOW RATE CAPACITY AND VELOCITY REQUIREMENTS FOR NATURAL OR MAN-MADE CHANNELS: A. CONCENTRATED STORMWATER RUNOFF LEAVING A DEVELOPMENT SITE SHALL BE DISCHARGED DIRECTLY INTO AN ADEQUATE NATURAL OR MAN-MADE RECEIVING CHANNEL, PIPE OR STORM SEWER SYSTEM. FOR THOSE SITES WHERE RUNOFF IS DISCHARGED INTO A PIPE OR PIPE SYSTEM, DOWNSTREAM STABILITY ANALYSES AT THE OUTFALL OF THE PIPE OR PIPE SYSTEM SHALL BE PERFORMED. B. ADEQUACY OF ALL CHANNELS AND PIPES SHALL BE VERIFIED IN THE FOLLOWING (MANNER: (1) THE APPLICANT SHALL DEMONSTRATE THAT THE TOTAL DRAINAGE AREA TO THE POINT OF ANALYSIS WITHIN THE CHANNEL IS ONE HUNDRED TIMES GREATER THAN THE CONTRIBUTING DRAINAGE AREA OF THE PROJECT IN QIUESTION; OR (2) (A) NATURAL CHANNELS SHALL BE ANALYZED BY THE USE OF A TWO-YEAR STORM TO VERIFY THAT STORMWATER WILL NOT OVERTOP CHANNEL BANKS NOR CAUSE EROSION OF CHANNEL BED OR BANKS. (B) ALL PREVIOUSLY CONSTRUCTED MAN-MADE CHANNELS SHALL BE ANALYZED BY THE USE OF A TEN-YEAR STORM TO VERIFY THAT STORMWATER WILL NOT OVERTOP ITS BANKS AND BY THE USE OF A TWO-YEAR ,STORM TO DEMONSTRATE THAT STORMWATER WILL NOT CAUSE EROSION OF CHANNEL BED OR BANKS; AND (C) PIPES AND STORM SEWER SYSTEMS SHALL BE ANALYZED BY THE USE OF A� TEN-YEAR STORM TO VERIFY THAT STORMWATER WILL BE CONTAINED WITHIN THE PIPE OR SYSTEM. C. IF EXISTING NATURAL RECEIVING CHANNELS OR PREVIOUSLY CONSTRUCTED MAN-M1ADE CHANNELS OR PIPES ARE NOT ADEQUATE, THE APPLICANT SHALL: (1) IMPROVE THE CHANNELS TO A CONDITION WHERE A TEN-YEAR STORM WILL NOT" OVERTOP THE BANKS AND A TWO-YEAR STORM WILL NOT CAUSE EROSION TO THE CHANNEL, THE BED, OR THE BANKS; OR (2) IMPROVE THE PIPE OR PIPE SYSTEM TO A CONDITION WHERE THE TEN-YEAR ST -ORM IS CONTAINED WITHIN THE APPURTENANCES; (3) DEVELOP A SITE DESIGN THAT WILL NOT CAUSE THE PRE -DEVELOPMENT PEAK RUNOFF RATE FROM A TWO-YEAR STORM TO INCREASE WHEN RUNOFF OUTFALLS INTO A NATURAL CHANNEL OR WILL NOT CAUSE THE PRE -DEVELOPMENT PEAK RUNOFF RATE FROM A TEN-YEAR STORM TO INCREASE WHEN RUNOFF OUTFALLS INTO A MAN-MADE CHANNEL; OR (4) PROVIDE A COMBINATION OF CHANNEL IMPROVEMENT, STORMWATER DETENTION OR OTHER MEASURES WHICH IS SATISFACTORY TO THE VESCP AUTHORITY TO PREVENT DOWNSTREAM EROSION. D. THE APPLICANT SHALL PROVIDE EVIDENCE OF PERMISSION TO MAKE THE IMPROVEMENTS. E. ALL HYDROLOGIC ANALYSES SHALL BE BASED ON THE EXISTING WATERSHED CHARACTERISTICS AND THE ULTIMATE DEVELOPMENT CONDITION OF THE SUBJECT PROJECT. F. IF THE APPLICANT CHOOSES AN OPTION THAT INCLUDES STORMWATER DETENTION, HE SHALL OBTAIN APPROVAL FROM THE VESCP OF A PLAN FOR MAINTENANCE OF THE DETENTION FACILITIES. THE PLAN SHALL SET FORTH THE MAINTENANCE REQUIREMENTS OF THE FACILITY AND THE PERSON RESPONSIBLE FOR PERFORMING THE MAINTENANCE. G. OUTFALL FROM A DETENTION FACILITY SHALL BE DISCHARGED TO A RECEIVING CHANNEL, AND ENERGY DISSIPATORS SHALL BE PLACED AT THE OUTFALL OF ALL DETENTION FACILITIES AS NECESSARY TO PROVIDE A STABILIZED TRANSITION FROM THE FACILITY TO THE RECEIVING CHANNEL. H. ALL ON-SITE CHANNELS MUST BE VERIFIED TO BE ADEQUATE, I. INCREASED VOLUMES OF SHEET FLOWS THAT MAY CAUSE EROSION OR SEDIMENTATION ON ADJACENT PROPERTY SHALL BE DIVERTED TO A STABLE OUTLET, ADEQUATE CHANNEL, PIPE OR PIPE SYSTEM, OR TO A DETENTION FACILITY. 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. L. ANY PLAN APPROVED PRIOR TO JULY 1, 2014, THAT PROVIDES FOR STORMWATER MANAGEMENT THAT ADDRESSES ANY FLOW RATE CAPACITY AND VELOCITY REQUIREMENTS FOR NATURAL OR MAN-MADE CHANNELS SHALL SATISFY THE FLOW RATE CAPACITY AND VELOCITY REQUIREMENTS FOR NATURAL OR MAN-MADE CHANNELS IF THE PRACTICES ARE DESIGNED TO (1) [DETAIN THE WATER QUALITY VOLUME AND TO RELEASE IT OVER 48 HOURS; (11) DETAIN AND RELEASE OVER A 24-HOUR PERIOD THE EXPECTED RAINFALL RESULTING FROM THE ONE YEAR, 24-HOUR STORM; AND (111) REDUCE THE ALLOWABLE PEAK FLOW RATE RESULTING FROM THE 1.5, 2, AND 10 -YEAR, 24-HOUR STORMS TO A LEVEL THAT IS LESS THAN OR EQUAL TO THE PEAK FLOW RATE FROM THE SITE ASSUMING IT WAS IN A GOOD FORESTED CONDITION, ACHIEVED THROUGH MULTIPLICATION OF THE FORESTED PEAK FLOW RATE BY A REDUCTION FACTOR THAT IS EQUAL TO THE RUNOFF VOLUME FROM THE SITE WHEN IT WAS IN A GOOD FORESTED CONDITION DIVIDED BY THE RUNOFF VOLUME FROM THE SITE IN ITS PROPOSED CONDITION, AND SHALL BE EXEMPT FROM ANY FLOW RATE CAPACITY AND VELOCITY REQUIREMENTS FOR NATURAL OR MAN-MADE CHANNELS AS DEFINED IN ANY REGULATIONS PROMULGATED PURSUANT TO § 62.1-44.15:54 OR 62.1-44.15:65 OF THE ACT. M. FOR PLANS APPROVED ON AND AFTER JULY 1, 2014, THE FLOW RATE CAPACITY AND VELOCITY REQUIREMENTS OF § 62.1-44.15:52 A OF THE ACT AND THIS SUBSECTION SHALL BE SATISFIED BY COMPLIANCE WITH WATER QUANTITY REQUIREMENTS IN THE STORMWATER MANAGEMENT ACT (§ 62.1-44.15:24 ET SEQ. OF THE CODE OF VIRGINIA) AND ATTENDANT REGULATIONS, UNLESS SUCH LAND -DISTURBING ACTIVITIES ARE IN ACCORDANCE WITH 9VAC25-870-48 OF THE VIRGINIA STORMWATER MANAGEMENT PROGRAM (VSMP) REGULATIONS. N. COMPLIANCE WITH THE WATER QUANTITY MINIMUM STANDARDS SET OUT IN 9VAC25-870-66 OF THE VIRGINIA STORMWATER MANAGEMENT PROGRAM (VSMP) REGULATIONS SHALL BE DEEMED TO SATISFY THE REQUIREMENTS 'OF SUBDIVISION 19 OF THIS SUBSECTION. CONTROL NOTES ES -1 UNLESS OTHERWISE INDICATED, ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES WILL BE CONSTRUCTED AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA (EROSION AND SEDIMENT CONTROL HANDBOOK (VESCH) AND VIRGINIA REGULATIONS 9VAC2-840 EROSION AND SEDIMENT CONTROL REGULATIONS. A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE MAINTAINED ON THE SITE AT ALL TIMES. ES -2 ALBEMARLE COUNTY MUST BE NOTIFIED ONE WEEK PRIOR TO THE PRE -CONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT OF LAND DISTURBING ACTIVITY, AND ONE WEEK PRIOR TO THE FINAL INSPECTION. ES -3 ALL EROSION AND SEDIMENT CONTOROL MEASURES ARE TO BE PLACED PRIOR TO OR AS THE FIRST STEP IN CLEARING, GRADING OR LAND -DISTURBING AND SEQUENCE OF CONSTRUCTION APPROVED. ES -4 A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE MAINTAINED ON THE SITFE AT ALL TIMES. ES -5 PRIOR TO LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICATED ON THESE PLANS OR O)FF-SITE FILL ACTIVITIES, THE CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN TO THE OWNER FOR REVIEW AND FOR APPROVAL BY ALBEMARLE COUNTY. ES -6 THE CONTRACTOR IS RESPONSIBLE: FOR INSTALLATION OF ANY ADDITIONAL EROSION CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS [DETERMINED BY ALBEMARLE COUNTY. ES -7 SITE GRADING IS TO DRAIN TO THE PERIMETER CONTROLS AT ALL TIMES DURING LAND DISTURBING ACTIVITIES AND DURING CONSTRUCTION, UNTIL FINAL STABIILIZATION IS ACHIEVED. ES -8 DURING DEWATERING OPERATIONS, WATER WILL BE PUMPED INTO AN APPROVED FILTERING DEVICE. ES -9 THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY (AT LEAST DAILY) AAD AFTER EACH RUNOFF -PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE EROSIION CONTROL DEVICES SHALL BE MADE IMMEDIATELY. EROSION AND SEDIMENT CONTROL, STORMWATER AND SWPPP NOTES: 1. LAND DISTURBANCE SHALL SHALL BE. COVERED BY VPDES GENERAL PERMIT FOR DISCHARGE FROM CONSTRUCTION ACTIVITIES (9VAC25-880), INCLUDING THE IMPLEMENTATION OF A STORMWATER POLLUTION PREVENTION PLAN (SWPPP), PER ALBEMARLE COUNTY STANDARDS. 2. THE VESCP AUTHORITY MUST BE NOTIIFIED ONE WEEK PRIOR TO THE PRE -CONSTRUCTION CONFERENCE, OME WEEK PRIOR TO THE COMMENCEMENT OF LAND DISTURBING3 ACTIVITY AND ONE WEEK PRIOR TO FINAL INSPECTION. 3. THE FULL EROSION AND SEDIMENT CCONTROL NARRATIVE AND STORMWATER MANAGEMENT REPORT, ALONG WITH THE SUPPORTING APPENDICES, SHALL BE KEPT ONSITE AT ALL TIMES DURING CONSTRUCTION, IT IS THE CONTRACTOR'S RESPONSIBILITY TO OBTAIN THE APPROVED VERSION OF THIS DOCUMENT FROM THE OWNER OR ENGINEER PRIOR TO BEGINNING CONSTRUCTION. 4. RETAIN A COPY OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK, LATEST EDITION ON SITE AND ADHERE TO THE STANDARDS LISTED AT ALL TIMES. 5. PRIOR TO ANY LAND DISTURBING ACTIVITY, CONTRACTOR SHALL PROVIDE THE NAME, CERTIFICATION INIFORMATION, AND CONTACT INFORMATION OF THE DESIGNATED RESPONSIBLE LAND DISTURBER (RLD) TO THE APPROPRIATE AUTHORITY. GENERAL LEGEND PROPOSED Limits of Disturbance 5' Contour 540-------- 1' Contour Storm Sewer Pipe "Stormwater Management" 542 SWM 1. DIMENSIONS AND RADII ARE TO EDGE OF PAVEMENT AND TO OUTSIDE FACE OF BUILDINGS, WHERE APPLICABLE, UNLESS OTHERWISE INDICATED. 2. THE CONTRACTOR SHALL SECURE ALL NECESSARY PERMITS FOR THIS PROJECT FROM THE LOCAL OR STATE AGENCIES AT HIS EXPENSE. THE CONTRACTOR SHALL BE RESPONSIBLE FOR ABIDING BY ALL CONDITIONS AND REQUIREMENTS OF THE PERMITS. 3. THE CONTRACTOR IS RESPONSIBLE FOR PROVING A FOUNDATION SURVEY TO ALBEMARLE COUNTY AS REQUIRED. 4. THE CONTRACTOR SHALL NOTIFY ALBEMARLE COUNTY AT LEAST ONE WEEK PRIOR TO STARTING WORK ON THIS PROJECT. 5. THE CONTRACTOR SHALL HAVE A SET OF APPROVED PLANS AVAILABLE AT THE SITE AT ALL TIMES WHEN WORK IS BEING PERFORMED. A DESIGNATED RESPONSIBLE EMPLOYEE SHALL BE AVAILABLE FOR CONTACT BY INSPECTORS. 6. VERIFY THE PROPOSED LAYOUT WITH ITS RELATIONSHIP TO THE EXISTING CONDITIONS IN THE FIELD. ALSO VERIFY ALL [DIMENSIONS, SITE CONDITIONS, AND MATERIAL SPECIFICATIONS AND NOTIFY THE ENGINEER OF ANY' ERRORS, OMISSIONS, OR DISCREPANCIES BEFORE COMMENCING OR PROCEEDING WITH WORK. 7. DEVIATIONS FROM OR CHANGES TO THESE PLANS WILL NOT BIE ALLOWED, UNLESS OTHERWISE APPROVED BY THE ENGINEER. 8. PERFORM ALL WORK USING DIMENSIONS SHOWN ON THESE PLANS. DO NOT USE SCALES, RULERS, DIVIDERS, MAP WHEELS OR OTHER MEASURING DEVICES TO DETERMINE SPATIAL RELATIONSHIPS ON THESE DRAWINGS. 9. ALL TURF AREAS THAT ARE IMPACTED OR DISTURBED BY VEHICLES, EQUIPMENT, OR ACTIVITY SHALL BE REPAIRED, REGRADED, AND RESEEDED TO THE SATISFACTION OF THE OWNER. 10. REFER TO THE LANDSCAPE PACKAGE FOR ALL PLANTINGS. EXIISTING TREES ARE TO REMAIN WHEREVER POSSIBLE. CONTRACTOR SHALL WALK THE SITE WITH THE LANDSCAPE ARCHITECT AND OWNER PRIOR TO CONSTRUCTION TO DETERMINE WHICH TREES WILL BE PROTECTED AND WHICH TREES WILL BE REMOVED. 11. PROPERLY SECURE THE CONSTRUCTION AREA AT ALL TIMES AGAINST UNAUTHORIZED ENTRY AND ADEQUATELY PROTECT EQUIPMENT, MATERIALS, AND COMPLETED WORK FROM THEFT AND VANDALISM. THE OWNER IIS NOT RESPONSIBLE FOR THE LOSS OF ANY MATERIAL STORED AT THE SITE. ASSUME SOLE AND COMPLETE RESPONSIBILITY FOR JOB SITE CONDITIONS DURING THE COURSE OF CONSTRUCTION OF THIS PROJECT INCLUDING SAFETY OF ALL PERSONS AND PROPERTY. THIS REQUIREMENT SHALL APPLY CONTINUOUSLY AND NOT BE LIMITED TO NORMAL WORKING HOURS. PAVEMENT AND DRAINAGE STANDARD NOTES 1. ALL CONSTRUCTION AND MATERIALS SHALL CONFORM WITH THE STANDARDS AND SPECIFICATIONS OF THE VIRGINIA DEPARTMENT OF TRANSPORTATION'S, SYMBOL LATEST EDITION, EXCEPT WHERE ALBEMARLE COUNTY STANDARDS ARE APPLICABLE. TEMPORARY CONSTRUCTION ENTRANCE 2. ALL STORM SEWER SHALL BE REINFORCED CONCRETE PIPE (RCP) MEETING ASTM C-76 STANDARDS AND TESTED IN ACCORDANCE WITH ASTM C-497, EXCEPT AS NOTED. 3. CONCRETE DRAINAGE STRUCTURES MAY BE EITHER PRECAST OR CAST -IN-PLACE. ALL SHALL BE VDOT STANDARD (PER SECTION 100 OF THE ROAD AND SILT FEENCE?F- BRIDGE STANDARDS). ALL CONCRETE STRUCTURES SHALL HAVE IS -1 SHAPING IN ACCORDANCE TO VDOT STANDARDS. 4. ALL STORM SEWER PIPING SHALL HAVE A MINIMUM OF 4" AGGREGATE BEDDING MATERIAL. STORM DRAIN INLET PROTECTION 5. THE CONTRACTOR IS REQUIRED TO MAINTAIN ALL DITCHES, PIPIES, AND OTHER DRAINAGE STRUCTURES FREE FROM OBSTRUCTION UNTIL WORK IS ACCEPTED BY THE OWNER. THE CONTRACTOR IS RESPONSIBLE FOR ANY DAMAGES CAUSED BY FAILURE TO MAINTAIN DRAINAGE STRUCTURE IN OPERABLE CONDITION. 6. THE PAVEMENT DESIGN IS SUBJECT TO CHANGE DUE TO SOIL (CONDITIONS AT THE TIME OF CONSTRUCTION, AS DETERMINED BY THE INSPECTORS FOR THE CIP OWNER OR ALBEMARLE COUNTY. 3.09 7. ALL UNSUITABLE MATERIAL SHALL BE REMOVED FROM THE COMSTRUCTION LIMITS OF PAVED AREAS AND DISPOSED OF PROPERLY AT AN APPROVED 4 LOCATION. TEMPORARY SEDIMENT TRAP 10, ANY NECESSARY PAVEMENT WIDENING BETWEEN THE EXISTING PAVEMENT AND PROPOSED IMPROVEMENTS IS THE RESPONSIBILITY OF THE CONTRACTOR. 11. EXISTING PAVEMENT AND OTHER SURFACES DISTURBED BY CONTRACTOR (WHICH ARE NOT TO BE REMOVED) SHALL BE REPAIRED TO LIKE -NEW CONDITION. UTILITY NOTES O 1. THE LOCATION OF EXISTING UTILITY LINES, CONDUITS OR OTHER STRUCTURES ACROSS, UNDERNEATH, OR OTHERWISE ALONG THE LINE OF PROPOSED WORK ARE NOT NECESSARILY SHOWN ON THE PLANS, AND IF SHOWN MAY ONLY BE APPROXIMATE. CONTRACTOR SHALL VERIFY LOCATION AND ELEVATION OF ALL UNDERGROUND UTILITIES SHOWN ON THE PLANS IN AREAS OF (CONSTRUCTION PRIOR TO STARTING WORK. CONTACT ENGINEER IMMEDIATELY IF LOCATION OR ELEVATION IS DIFFERENT FROM THAT SHOWN ON THE PLANS, IF THERE APPEARS TO BE A CONFLICT, OR UPON DISCOVERY OF ANY UTILITY NOT SHOWN ON THE PLANS TO PERMIT REVISIONS IF NECESSARY. FOR ASSISTANCE IN LOCATING EXISTING UTILITIES CALL "MISS UTILITY", 811. 2. TAKE PRECAUTIONARY MEASURES TO PROTECT THE UTILITIES SHOWN HEREON AND ANY OTHER EXISTING UTILITIES NOT SHOWN ON THESE PLANS. IF A UTILITY IS DAMAGED DURING CONSTRUCTION, STOP WORK IMMEDIATELY ,AND NOTIFY THE ENGINEER, DAMAGE TO UTILITIES (INCLUDING UNDERGROUND) OR PROPERTY OF OTHERS BY CONTRACTOR DURING CONSTRUCTION SHALL BE REPAIRED TO PRE -CONSTRUCTION CONDITIONS BY CONTRACTOR AT NO COST TO OWNER. 3. ALL EXCAVATION FOR UNDERGROUND PIPE INSTALLATION MUST COMPLY WITH OSHA STANDARDS FOR THE CONSTRUCTION INDUSTRY (29 CFR PART 1926). 4. THE CONTRACTOR SHALL COORDINATE WITH THE UTILITY COMPANIES AND THE MEP ENGINEERS ON THE REQUIREMENTS FOR AND LIMITS OF ANY UTILITIES NOT DETAILED ON THE CIVIL PLANS, EROSION & SEDIMENT CONTROL LEGEND No. TITLE KEY SYMBOL 3.02 TEMPORARY CONSTRUCTION ENTRANCE CE o U Ii z 3.05 SILT FEENCE?F- 0 C 3.07 STORM DRAIN INLET PROTECTION IP 3.08 CULVERT INLET( PROTECTION CIP > o� • 14,1 4 00 3.09 TEMPORARY DIVERSION DIKE DD q 4 3.13 TEMPORARY SEDIMENT TRAP ST 3.17 STORMWATER (CONVEYANCE SCC O CHANINEL I- 3.18 OUTLET PROTECTION OOP 3.19 RIPRIAP ®RR Z 3.20 ROCK CHECK DAMS CD p z 3.29 SURFACE ROUGHENING CSR) SR - 3.30 TOP SOI [UNG TO TO 3.31 TEMPORARY SEEDING TS TS 3.32 PERMANENT SEEDING PS PS �"- 3.35 MULCHIING OMU MU 3.36 SOIL STABILIZATION BLANKETS & MATTING B M j B/M 2 W (D 3.38 TREE PRESERVATION & PROTECTION Tp -xx-xx xx- 3.39 DUST CONTROL ECB DRAWN BY: O E. GAIL BELL BOLTON Lie. No. 051495 1z, �ls��iONAL z' zj v Z > E o U Ii z 0 C ECL ,e N O N T�4 > o� • 14,1 4 00 Vtl a L cu c '> g 20 q z O I- Z 3: W !W 2 p z �WW` W / 0 100W -j 2 0- < _z 20 O 3�: � ~ z LU :D < W > 0.. 0 cr I•- O cc 2 W (D I�1 W Q REVISIONS DESIGNED BY: ECB DRAWN BY: AJH CHECKED BY: CES SCALE: NO SCALE= DATE: AUGUST 14, 2017 PROJECT NUMBER(: Cl 6101 C-01 CO. PARTlI. EROSION & SEDIMENT CONTROL NARRATIVE A. PROJECT DESCRIPTION THE PROJECT INCLUDES THE RELOCATION APPROXIMATELY 5,350 LINEAR FEET OF DRIVEWAYS TO SERVICE THE RESIDENCE AND ASSOCIATED BUILDINGS AT 1575 INGLERIDGE FARM, LOCATED IN ALBEMARLE COUNTY, VIRGINIA. CONSTRUCTION WILL INCLUDE DEMOLITION OF THE EXISTING GRAVEL ROADWAY AND REPLACING IT WITH A COMBINATION OF PAVED AND GRAVEL DRIVEWAYS, AN ADDITION TO THE EXISTING RESIDENCE AT THE NORTHERN END OF THE PROPERTY, THE CONSTRUCTION OF A POOL AND POOL HOUSE, AND MASS GRADING OF THE SITE TO RETURN THE TERRAIN BACK TO A MORE NATURAL STATE. THE DRIVEWAY AND SITE MASS GRADING WILL BE COMPLETED AS THE FIRST PHASE IN THE PROJECT. THE RESIDENCE ADDITION AND ASSOCIATED SITE FEATURES WILL BE CONSTRUCTED AS A SECOND PHASE, ONCE THE DRIVEWAY HAS BEEN CONSTRUCTED. THE PROJECT WILL HAVE A TOTAL DISTURBED AREA OF APPROXIMATELY 23.01 ACRES. WITHIN THE LIMITS OF THE DISTURBANCE, THE PRE -DEVELOPED CONDITION CONSISTS OF 20.23 ACRES OF MANAGED TURF AND 2.68 ACRES OF IMPERVIOUS AREA. THE PROPOSED POST -DEVELOPMENT CONDITION WILL CONSIST OF 20.42 ACRES OF MANAGED TURF AND 2.49 ACRES OF IMPERVIOUS AREA WITHIN THE LIMITS. 9.10 ACRES OF FORESTED/OPEN SPACE OUTSIDE OF THE LIMITS OF DISTURBANCE BUT WITHIN THE LIMITS OF THE SUBJECT PROPERTY WILL BE INCLUDED IN A PROPOSED CONSERVATION EASEMENT TO MEET WATER QUALITY REQUIREMENTS. THE PROJECT IS ANTICIPATED TO BEGIN IN AUGUST 2017 AND BE COMPLETED IN APPROXIMATELY 9 MONTHS. THE PROJECT WILL BE REQUIRED TO OPERATE UNDER A VIRGINIA STORMWATER MANAGEMENT PROGRAM CONSTRUCTION GENERAL PERMIT. B. EXISTING SITE CONDITIONS THE PROPERTY IS LOCATED NORTHEAST OF BARRACKS ROAD (SR -654), APPROXIMA-TELY 1.3 MILES FROM U.S. 250. A 156.8 ACRE PORTION OF THE INGLERIDGE FARM PROPERTY WAS PREVIOUSLY SUBDIVIDED FROM THE MAIN FARM HOUSE FOR FUTURE DEVELOPMENT. A GRAVEL ROAD AND STORMWATER MANAGEMENT FEATURES WERE INSTALLED APPROXIMATELY 10 YEARS AGO FOR A RESIDENTIAL SUBDIVISION. PROGRESS WAS HALTED ON THE SUBDIVIISION AND THE 156.8 ACRES PROPERTY WAS RECENTLY PURCHASED FOR THE USE OF A RESIDENTIAL FARM. OVER TIHE PAST 10 YEARS, IT HAS BEEN VACANT BUT MAINTAINED AS A MIX OF PASTURES AND WOODS. RECENTLY, IT HAS BEEN FURTHER SUBDIVIDED INTO TWO PARCELS, BUT REMAINS UNDER THE SAME OWNERSHIP AND WILL BE DEVELOPED TOGETHER WITH THIS PROJECT. THE EXISTING GRAVEL ROAD ALONG THE EASTERN EDGE OF THE PROPERTY IS PLANNED TO BE CONVERTED TO A DRIVEWAY BY REALIGNING AND NARROWING IT. THE OVERALL FARM HAS HILLS AND SLOPES DIRECTING RUNOFF IN ALL DIRECTIONS. THE PROPERTY GENERALLY HAS SLOPES OF 5-15% WITH STEEPER SLOPES UP TO 2:1 NEAR THE STREAMBEDS. RUNOFF FROM THE SITE FLOWS TOWARD STREAMS AND PONDS ON OR NEAR THE SITE. IVY CREEK RUNS ALONG THE WEST AND NORTH SIDES OF THE PROPERTY. A SMALL TRIBUTARY FLOWS FROM WEST TO EAST UNDER THE DRIVEWAY, APPROXIMATELY 500 -FEET FROM THE ENTRANCE OFF BARRACKS ROAD. THIS TRIBUTARY FLOWS TO A LARGER TRIBUTARY RUNNING FROM SOUTH TO NORTH ALONG THE EAST SIDE OF THE PROPERTY, AND EVENTUALLY COMBINES WITH IVY CREEK AT THE NORTH CORNER OF THE PROPERTY. A POND INSTALLED WITH THE SUBDIVISION WORK EXISTS NEAR THE CENTER OF THE SITE AND DISCHARGES INTO IVY CREEK. OVERALL, ALL RUNOFF ENDS UP 1N IVY CREEK, FLOWING TO THE NORTH. THE PROPOSED DRIVEWAY WILL BE CONSTRUCTED FROM SOUTH TO NORTH ACROSS THE SUBJECT PROPERTY FOLLOWING EXISTING TOPOGRAPHY WHEREVER POSSIBLE. C. ADJACENT PROPERTY THE INGLERIDGE FARM PROPERTY IS BORDERED BY AGRICULTURE LAND ON ALL SIDES. BARRACKS ROAD RUNS ALONG THE SOUTHWEST PROPERTY LINE, HOUSING SUBDIVISIONS ARE LOCATED TO THE SOUTHEAST AND SOUTH, AND OTHER FARM PROPERTIES SURROUND THE REST OF THE PROPERTY. IVY CREEK AND ITS TRIBUTARIES FLOW AROUND THE NORTH, EAST AND WEST SIDES OF THE PROPERTY. D. PLANNED OFF SITE ACTIVITIES THIS PLAN AND PERMIT ONLY APPLIES TO ONSITE ACTIVITIES, SHOWN WITHIN THE LIMIITS OF DISTURBANCE. ANY EXCESS OR UNSUITABLE MATERIAL WILL BE TRANSPORTED TO AN OFF-SITE DISPOSAL AREA WIVH AN APPROVED EROSION CONTROL PLAN BY THE AUTHORITY HAVING JURISDICTION. ALL OFF-SITE AREAS WHERE MATERIAL_ IS OBTAINED OR IS DISPOSED SHALL HAVE AN APPROVED EROSION CONTROL PLAN. THE NAMES OF ANY OFFSITE AREAS MUST BE PROVIDED TO ALBEMARLE COUNTY PRIOR TO BEING UTILIZED. E. SOILS A NATURAL RESOURCE CONSERVATION SERVICE (NRCS) CUSTOM SOIL RESOURCE REPCORT FOR ALBEMARLE COUNTY, VIRGINIA DATED MARCH 29, 2017 SHOWS FOUR MAIN SOIL TYPES ON THE SITE; HAYESWILLE LOAM (49.6%), HAYESVILLE CLAY LOAM (28.8%), ASHE LOAM (10.9%), AND TURBEVILLE LOAM (7.8%). NEARLY ALL `.SOILS ON SITE ARE CHARACTERIZED AS HYDROLOGIC SOIL GROUP B. FOR THE FULL REPORT, REFER TO APPENDIX A-1. F. CRITICAL EROSION AREAS THE SITE HAS SEVERAL CRITICAL EROSION AREAS THAT SHOULD BE MONITORED CLOSELY DURING CONSTRUCTION. ALL WORK NEAR AND WITHIN THE STREAM BUFFERS SHALL BE CHECKED FREQUENTLY TO ENSURE THE PROPOSED TRAPPING MEASURES ARE FUNCTIONING ADEQUATELY. ADJUSTMENTS AND REINFORCEMENTS SHOULID BE MADE WHERE NECESSARY TO MINIMIZE SEDIMENT LOSS INTO THE STREAM BUFFERS. ALSO, SEVERAL SLOPES BEING DI`,STURBED ARE CONSIDERED STEEP PER THE EROSIONS AND SEDIMENT CONTROL REGULATIONS. DURING EARTHWORK, ADDITt,ONAL SLOPES WITH NO VEGETATIVE COVER CAN BECOME CRITICAL IF PROPER MEASURES ARE NOT IMMEDIATELY TAKEN, INCCLUDING SURFACE ROUGHENING AND STABILIZATION. REGULAR INSPECTIONS SHALL BE CONDUCTED ACROSS THE ENTIRE SITE TO ENSUR: SLOPES DO NOT BECOME EROSIVE AS CONSTRUCTION PROGRESSES. IN GENERAL, THE CONTRACTOR SHALL MINIMIZE THE AREAS DISTURBED AT ONE TIME AND SHALL IMMEDIATELY APPLY SEED AND MULCH TO DENUDED AREAS AIFTER WORK IS PERFORMED. G. EROSION AND SEDIMENT CONTROL MEASURES UNLESS OTHERWISE INDICATED, ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT CONTROL MEASURES SHALL BE CONSTRUCTED AND MAINTAINED ACCORDING TO THE LATEST STANDARDS AND SPECIFICATIONS OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. UNLESS WAIVED OR APPROVED BY LOCAL ADMINISTRATOR, THE MINIMUM STANDARDS OF VESCR SHALL APPLY. H. STRUCTURAL PRACTICES 1. TEMPORARY CONSTRUCTION ENTRANCE - 3.02 AN ASPHALT PAD, LOCATED AT THE POINT OF VEHICULAR INGRESS AND EGRESS TO THE CONSTRUCTION SITE. THE PURPOSE IS TO PREVENT OR REDUCE THE AMOUNT OF MUD TRANSPORTED TO THE PUBLIC ROAD. SEDIMENT DISLODGED OR WASHED FROM THE VEHICLE WILL BE DIRECTED TO A PROPER SEDIMENT TRAPPING AREA. 2.SILT FENCING - 3.05 SILT FENCE SEDIMENT BARRIERS WILL BE INSTALLED DOWN SLOPE OF SMALLER DISTURBED AREAS TO FILTER SEDIMENT LADEN RUNOFF. 3.STORM DRAIN INLET PROTECTION - 3.07 THE INSTALLATION OF SEDIMENT TRAPPING MEASURES AROUND DROP INLET STRUCTURES PRIOR TO PERMANENT STABILIZATION OF THE DISTURBED AREA TO PREVENT SEDIMENT FROM WASHING INTO -THE STORM SEWER SYSTEM. 4. CULVERT INLET PROTECTION - 3.08 THE INSTALLATION OF SEDIMENT TRAPPING MEASURES AROUND THE INLET OF A CULVERT PIPE PRIOR TO PERMANENT STABILIZATION OF THE DISTURBED AREA TO PREVENT SEDIMENT FROM WASHING INTO THE CULVERT AND DOWNSTREAM. 5.TEMPORARY DIVERSION DIKE - 3.09 TEMPORARY RIDGE OF COMPACTED SOIL TO BE CONSTRUCTED AT BASE OF SLOPING DIISTURBED AREAS TO DIVERT SEDIMENT -LADEN RUNOFF FROM THE DISTURBED AREA TO A SEDIMENT -TRAPPING FACIILITY OR AT THE TOP OF SLOPING DISTURBED AREAS TO DIVERT UPSTREAM RUNOFF AROUND THE UNPROTECTED DISTURBED SLOPE TO A STABILIZED OUTFALL. 6. TEMPORARY SEDIMENT TRAP - STD. & SPEC. 3.13 A TEMPORARY SEDIMENT TRAP SHALL BE CONSTRUCTED AS SHOWN ON THE PLANS TO DETAIN SEDIMENT -LADEN RUNOFF LONG ENOUGH FOR THE MAJORITY OF SEDIMENT TO SETTLE OUT. 7. STORMWATER CONVEYANCE CHANNEL - 3.17 A PERMANENT CHANNEL DESIGNED TO CARRY CONCENTRATED FLOWS WITHOUT EROSION. APPLICABLE TO MAN-MADE CHANNELS, INCLUDING ROADSIDE DITCHES AND NATURAL CHANNELS THAT ARE MODIFIED TO ACCOMMODATE INCREASED FLOWS GENERATED BY LAND DEVELOPMENT. &OUTLET PROTECTION - 3.18 STRUCTURALLY LINED ENERGY DISSIPATING APRONS TO BE PLACED AT THE OUTLET OF PERMANENT PIPES. INSTALLED TO PREVENT SCOUR AT STORM DRAIN OUTLETS, TO PROTECT THE OUTLET STRUCTURE AND TO MINIMIZE THE POTENTIAL FOR DOWNSTREAM EROSION BY REDUCING THE VELOCITY AND ENERGY OF CONCENTRATED STORMWATER FLOWS. TO REMAIN IN PLACE PERMANENTLY AFTER CONSTRUCTION. 9.RIPRAP - 3.19 STRUCTURALLY LINED ENERGY DISSIPATING APRONS AND CHANNELS TO BE PLACED AT THE OUTLETS OF PIPES OR CHANNEL SECTIONS, INSTALLED TO PREVENT SCOUR AT STORM DRAIN OUTLETS, TO PROTECT THE OUTLET STRUCTURE AND TO MINIMIZE THE POTENTIAL FOR DOWNSTREAM EROSION BY REDUCING THE VELOCITY AND ENERGY OF CONCENTRATED STORMWATER FLOWS. 1 Q. ROCK CHECK DAMS - 3.20 SMALL TEMPORARY STONE DAMS CONSTRUCTED ACROSS A DRAINAGE DITCH TO REDUCE THE VELOCITY OF CONCENTRATED FLOWS, REDUCING EROSION OF THE SWALE OR DITCH. 11. SURFACE ROUGHENING - 3.29 GRADING PRACTICE TO BE APPLIED TO STEEPER SLOPES TO SLOW THE VELOCITY OF RUNOFF DOWN THE SLOPE AND HELP PREVENT RILL EROSION. COMMON APPROACH IS TO RUN A BULL -DOZER PERPENDICULAR TO THE SLOPE TO CREATE SMALL POCKETS IN THE SLOPE WITH THE TREADS. 12. DUST CONTROL - 3.39 DUST CONTROL MEASURES WILL BE USED OVER THE WHOLE SITE TO REDUCE SURFACE AND AIR MOVEMENT OF DUST DURING LAND DISTURBANCE, DEMOLITION, AND CONSTRUCTION ACTIVITIES. L VEGETATIVE PRACTICES GENERAL: A PERMANENT VEGETATIVE COVER SHALL BE ESTABLISHED ON DENUDED AREAS NOT OTHERWISE PERMANENTLY STABILIZED BY CONCRETE, PAVEMENT OR LANDSCAPED MULCHED BEDS. PERMANENT VEGETATION SHALL NOT BE CONSIDERED ESTABLISHED UNTIL A GROUND COVER IS ACHIEVED THAT IS UNIFORM, MATURE ENOUGH TO SURVIVE AND WILL INHIBIT EROSION. NEW VEGETATION SHALL BE MAINTAINED FOR ONE FULL YEAR AFTER PLANTING. NEW SEEDING SHALL BE SUPPLIED WITH ADEQUATE MOISTURE, ESPECIALLY LATE IN THE. SEASON, AND IN ABNORMALLY HOT OR DRY WEATHER. STABILIZATION PRACTICES SHALL BE ACCOMPLISHED IN ACCORDANCE WITH THE APPROPRIATE VESCH STD. & SPEC. AND AS PER THE EROSION AND SEDIMENT CONTROL PLAN. SELECTION OF THE APPROPRIATE SEED MIXTURE FOR TEMPORARY SEEDING WILL DEPEND UPON THE TIME OF YEAR IT IS APPLIED.. 1. TOPSOILING - 3.30 A 2" TO 4" LAYER OF TOPSOIL WILL BE APPLIED TO ALL LANDSCAPED AND GRASSED AREAS. THE TOPSOIL SHALL BE FREE OF ROCKS AND DEBRIS. TOPSOIL ALLOWS A STRONGER AND HEALTHIER STAND OF GRASS TO ESTABLISH QUICKLY TO STABILIZE UNPAVED AREAS OF THE SITE. 2.TEMPORARY SEEDING - 3.31 TEMPORARY SEEDING SHALL BE APPLIED OVER CLEARED AREAS THAT WILL NOT BE BROUGHT TO FINAL GRADE WITHIN 14 DAYS. TEMPORARY SEEDING MIXES SHALL BE AS DESCRIBED IN VESCH STD. & SPEC. 3.31. • SEQUENCE OF INSTALLATION: WHEN CLEARED AREAS WILL. NOT BE BROUGHT TO FINAL GRADE WITHIN 14 DAYS. • MAINTENANCE: REFER TO STD. & SPEC. 3.31; AREAS WHIICH FAIL TO ESTABLISH VEGETATIVE COVER ADEQUATE TO PREVENT RILL EROSION ARE TO BE RESEEDED. • REMOVAL EVENT: AS NEEDED FOR FUTURE EARTHWORK. 3.PERMANENT SEEDING - 3.32 USED ON ALL AREAS AT FINAL GRADE AND WILL NOT RECEIVE HARDSCAPE OR OTHER LANDSCAPE. PERMANENT SEEDING SHALL ALSO BE USED ON ALL AREAS THAT ARE NOT AT FINAL GRADE AND THAT WILL BE LEFT DORMANT FOR A PERIOD OF MORE THAN 1 YEAR. IF CONFLICTS EXIST BETWEEN THE PROJECT SPECIFICATIONS AND THE VESCH STD. & SPEC. 3.32, THE MORE STRINGENT REQUIREMENT SHALL APPLY. PERMANENT SEEDING MIXES AND RATES ARE FOUND IN VESCH STD. & SPEC. 3.32. • SEQUENCE OF INSTALLATION: WITHIN 7 DAYS OF ACHIEVINIG FINAL GRADE • SOIL TESTING REQUIREMENTS: REFER TO STD. & SPEC. 3.;32 • MAINTENANCE: REFER TO STD. & SPEC. 3.32; AREAS WHIICH FAIL TO ESTABLISH VEGETATIVE COVER ADEQUATE TO PREVENT RILL EROSION ARE TO BE IMMEDIATELY RESEEDED, FOLLOWING IDENTIFICATION OF THE CAUSE OF POOR GERMINATION. 4.MULCHING - 3.35 APPLICATION OF PLANT RESIDUES OR OTHER SUITABLE MATERIALS TO THE SOIL SURFACE TO PREVENT EROSION BY PROTECTING THE SOIL SURFACE FROM RAINDROP IMPACT AND REDUCING THE VELOCITY OF OVERLAND FLOW. IT IS ALSO USED TO FOSTER THE GROWTH OF VEGETATION BY INCREASING AVAILABLE MOISTURE AND PROVIDING INSULATION AGAINST EXTREME HEAT AND COLD. MULCHING WILL BE APPLIED THROUGHOUT CONSTRUCTION ON DENUDED AREAS. 5.SOIL STABILIZATION BLANKETS & MATTING - 3.36 BIODEGRADABLE MATTING INSTALLED OVER STEEP SLOPES TO HOLD THE EARTH AND SEED IN PLACE WHILE A GOOD STAND OF VEGETATION IS ESTABLISHED. PERMANENT MATTING SHALL BE INSTALLED IN AREAS WITH ANTICIPATED HIGH FLOW VELOCITIES UNDER FINAL PROJECT CONDITIONS. 6. TREE PRESERVATION AND PROTECTION - 3.38 FENCE INSTALLED TO PROTECT EXISTING TREES FROM MECHANIICAL AND OTHER INJURY DURING LAND -DISTURBING AND CONSTRUCTION ACTIVITY TO ENSURE THE SURVIVAL OF DESIRABLE TREES WHERE THEY WILL BE EFFECTIVE FOR EROSION AND SEDIMENT CONTROL AND PROVIDE OTHER ENVIRONMENTAL AND AESTHETIC BENEFITS. COORDINATE LOCATION WITH LANDSCAPE ARCHITECT. J. PERMANENT STABILIZATION ALL AREAS WITHIN THE LIMITS OF DISTURBANCE SHALL BE STABILIZED WITH PERMANENT SEEDING, HARDWOOD MULCH OR PAVEMENT FOLLOWING FINAL GRADING. K. CONSTRUCTION SCHEDULE 1. A PRE -CONSTRUCTION CONFERENCE WILL BE REQUIRED. CONTACT THE ALBEMARLE COUNTY AND ALL APPROPRIATE PARTIES TO SET UP THE MEETING AT LEAST ONE WEEK PRIOR TO STARTING CONSTRUCTION. 2.THE CONTRACTOR IS RESPONSIBLE FOR ENSURING ALL APPLICABLE PERMITS ARE IN PLACE PRIOR TO STARTING CONSTRUCTION. 3.ALL ITEMS OF WORK NECESSARY TO COMPLETE THIS PROJECT SHALL BE IN COMPLIANCE WITH ALL LOCAL, STATE, AND FEDERAL CODES. 4.PRIOR TO ANY LAND DISTURBING ACTIVITY, CONTRACTOR SHAUL PROVIDE THE NAME, CERTIFICATION INFORMATION, AND CONTACT INFORMATION OF THE DESIGNATED RESPONSIBLE LAND DISTURBER (RLD) TO THE APPROPRIATE AUTHORITIES, 5.PHASE 1 - INITIAL E&S MEASURES a. REPLACE THE PIPE CULVERT AT THE ENTRANCE, WHICH IS LOCATED UNDER THE PROPOSED CONSTRUCTION ENTRANCE. INSTALL CULVERT INLET PROTECTION. b.INSTALL CONSTRUCTION ENTRANCE AND DOWNSTREAM SEDIMENT TRAPPING MEASURES AS SHOWN ON THE PLAN. DISTURB THE MINIMUM AREA NEEDED TO INSTALL THE ENTRANCES. c. CONSTRUCTION THE OUTLET CHANNEL AT THE ENTRANCE CULVERT. COORDINATE WORK AT STREAM WITH USACE. d.INSTALL TREE PROTECTION AS SHOWN ON THE PLANS. e. REMOVE EXISTING BIORETENTION FEATURES AND CONSTRUCT THE SEDIMENT TRAPS. DISTURB THE MINIMUM AREA NEEDED TO INSTALL THE TRAPS AND REMOVE THE MINIMUM VEGETATION. DURING CONSTRUCTION, TEMPORARY DIVERSION DIKES SHALL BE INSTALLED JUST UPHILL OF THE TRAPS TO (DIVERT ALL UPSTREAM RUNOFF AROUND THE TRAPS. SILT FENCE SHALL BE INSTALLED JUST DOWNSTREAM OF THE PROPOSED DISTURBED AREA. f. APPLY SEEDING TO SEDIMENT TRAP BERMS AND DISTURBED AREAS IMMEDIATELY AFTER GRADING IS COMPLETE. AFTER SEDIMENT BASIN HAS A HEALTHY STAND OF VEGETATION ESTABLISHED, THE TEMPORARY DIVERSION DIKES SHALL BE REMOVED FROM THE BASIN. g.INSTALL PERIMETER SILT FENCE, DIVERSION DIKES, TEMPORARY CULVERTS, RIPRAP, OUTLET PROTECTION AND ANY OTHER MEASURE DEEMED NECESSARY THROUGH INSPECTIONS BY THE RLD, DEQ, COUNTY OR ENGINEER. IMMEDIATELY SEED ALL DIVERSION DIKES. h. CLEAR AND GRUB AREAS REQUIRED FOR THE FIRST PHASES OF CONSTRUCTION. ONLY CLEAR AREAS NEEDED FOR THE NEXT STEP IN THE CONSTRUCTION PROCESS TO MINIMIZE EXPOSED SOIL. L TOPSOIL SHOULD BE STOCKPILED AND SAVED FOR USE DURING FINAL SITE GRADING. ALL STOCKPILES SHALL BE SURROUNDED BY SILT FENCE AND SEEDED IN COMPLIANCE W11TH MS -19. j. THROUGHOUT CONSTRUCTION ACTIVITIES, APPLY DUST CONTROL MEASURES ACCORDING TO VESCH STD. & SPEC. 3.39. ANY AND ALL MATERIAL OR DEBRIS TRACKED ONTO A PUBLIC; OR PRIVATE ROAD SURFACE WILL BE CLEANED THOROUGHLY AT THE END OF EACH DAY. SEDIMENT SHALL BE REMOVED FROM ROADS BY SHOVELING OR SWEEPING AND BE TRANSPORTED TO A SEDIMENT CONTROLLED DISPOSALL AREA. k. APPLY TEMPORARY SEEDING AND MULCHING AS NECESSARY. 6.PHASE 2 - EARTHWORK, CONSTRUCTION AND FINAL STABILIZATI10N a. MAINTAIN ALL PERIMETER EROSION AND SEDIMENT CONTROL MlEASURES FROM PREVIOUS PHASE AS SHOWN ON PLANS. EROSION AND SEDIMENTATION CONTROLS SHALL BE MAINTAINE=D UNTIL SUCH A TIME AS A VEGETATIVE COVER IS ESTABLISHED OR HARDSCAPE IS INSTALLED ON ALL AREAS UPHILL OF THE MEASURES. b.INSTALL ALL ADDITIONAL MEASURES SHOWN ON THE PLANS ACND AS DEEMED NECESSARY THROUGH INSPECTIONS BY THE RLD, DEQ, COUNTY OR ENGINEER. c. BEGIN EARTHWORK OPERATIONS. UTILIZE SURFACE ROUGHENING AND TEMPORARY FILL DIVERSIONS PER THE ESCH GUIDELINES. d. USE APPROPRIATE DUST CONTROL MEASURES FOR DISTURBED AREAS AS WELL AS TEMPORARY SEEDING AND STRAW MULCHING AS NECESSARY. e. BEGIN CONSTRUCTION OF NEW DRIVEWAY WHILE DEMOLISHING EEXISTING GRAVEL DRIVES. COORDINATE SEQUENCE WITH THE OWNER TO ALLOW ACCESS TO THE EXISTING BUILDINGS OPN THE SITE THROUGHOUT CONSTRUCTION. L NOTE: E&S PLANS SEQUENCED TO ALLOW THE EXISTING DRIVEIWAY TO CARETAKER'S COTTAGE TO REMAIN IN PLACE UNTIL THE NEW DRIVEWAY IS CONSTRUCTED. THIS WILL INVOLVE TRANSITIONING THE E&S MEASURES IN THIS LOCATION BETWEEN PHASE 1 AND PHASE 2 AS SHOWN ON THE PLANS. f. REMOVE EXISTING CULVERTS, TREES AND SITE FEATURES AS RZEQUIRED FOR CONSTRUCTION. g.INSTALL STORMWATER CHANNELS AND CHECK DAMS AS WELL )AS PROPOSED CULVERTS AND OUTLET PROTECTION AS CONSTRUCTION PROGRESSES. h.COMPLETE ALL PAVED AND GRAVEL DRIVES AS SHOWN ON THE PLANS. I. PROCEED WITH BUILDING ADDITION, HARDSCAPES AND LANDSCAPE INSTALLATION PER THE LANDSCAPE AND ARCHITECTURAL PACKAGES. DOWNSTREAM E&S MEASURES SHA'kLL REMAIN IN PLACE DURING THIS PROCESS. j. APPLY PERMANENT SEEDING, TOPSOIL AND STRAW MULCHING Tf0 ALL DISTURBED AREA, OUTSIDE OF THE HARDSCAPE AND MULCHED LANDSCAPED AREAS. INSTALL TEMPORARY BLANgKET MATTING ON ALL DISTURBED SLOPE 3:1 AND STEEPER. k. AS ONE OF THE LAST STEPS IN LAND DISTURBANCE, INSTALL 'THE PERMANENT LEVEL SPREADERS. THIS SHOULD WAIT UNTIL NEAR THE END OF CONSTRUCTION TO PREVENT SEDIMENIT FROM BUILDING UP AND DAMAGING THE FEATURES DURING CONSTRUCTION. I. ONCE UPSTREAM AREAS HAVE BEEN STABILIZED AND HAVE ESTABLISHED VEGETATION, NOTIFY THE INSPECTORS FOR AN INSPECTION. 7.PHASE 3 - SEDIMENT TRAP REMOVAL a.AFTER UPSTREAM AREAS HAVE BEEN STABILIZED AND INSPECTED, THE SEDIMENT TRAPS AND ALL ASSOCIATED SITE FEATURES MAY BE REMOVED. I. NOTE: SEDIMENT TRAPS MAY BE ABLE TO BE REMOVED AT DIFIFERENT TIMES THROUGHOUT THE CONSTRUCTION DUE TO THE LONG, LINEAR NATURE OF THIS PROJECT. COORDINATE WITIH INSPECTORS. b. REGRADE THE AREAS TO RETURN TO EXISTING GRADE. ALL EXCESS MATERIAL SHALL BE DISPOSED OF PROPERLY AT A PERMITTED LOCATION. c.INSTALL SILT FENCE DOWNSTREAM OF THE DISTURBED AREAS AND IMMEDIATELY APPLY PERMANENT SEEDING, TOPSOIL AND STRAW MULCHING. &ALL STORMWATER PIPES AND STRUCTURES SHALL BE CLEANED Off ALL SEDIMENT BUILD UP. 9.ONCE THE SITE WORK IS COMPLETELY FINALIZED AND ALL STABILLIZATION MEASURES ARE IN PLACE, NOTIFY THE INSPECTORS FOR A FINAL INSPECTION. 10.ONCE APPROVAL IS ACQUIRED FROM THE INSPECTOR AND ALL WPSTREAM AREAS HAVE ESTABLISHED VEGETATION, ALL REMAINING EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN 30 DAYS. APPLY PERMANENT SEEDING AND MULCHING TO AREAS DISTURBED BY REMOVAL OF MEASURES. 11. REMOVE ALL EQUIPMENT, CONSTRUCTION MATERIALS AND DEBRIS FROM THE SITE. L. MAINTENANCE PRIOR TO ANY LAND DISTURBING ACTIVITY, CONTRACTOR SHALL PROVIDE THE NAME, CERTIFICATION INFORMATION, AND CONTACT INFORMATION OF THE DESIGNATED RESPONSIBLE LAND DISTURBER (RLD) TO THE APPROPRIATE AUTHORITIES. IN GENERAL, ALL EROSION AND SEDIMENT CONTROL MEASURES SHALL BE INSPECTED PER THE CONSTRUCTION GENERAL PERMIT. DURING CONSTRUCTION, THE CONTRACTOR'S DESIGNATED RLD WILL BE RESPONSIBLE FOR INSPECTING AND REPAIRING DAMAGED EROSION/SEDIMEN-T CONTROL MEASURES. THE FOLLOWING ITEMS WILL BE CHECKED IN PARTICULAR: 1. THE CONSTRUCTION ENTRANCE SHALL. BE MAINTAINED IN A CONDITION WHICH WILL PREVENT TRACKING OR FLOW OF MUD OFF OF THE SITE. ALL RUNOFF AND WASH WATER FROM THE MEASURE SHOULD BE DIRECTED TO A FUNCTIONING TRAPPING MEASURE. CLEAN THE TRAPPING MEASURE FREQUENTLY AND REPAIR ANY DAMAGES IMMEDIATELY. 2.THE SILT FENCE AND INLET PROTECTION BARRIERS SHALL BE CHECKED FOR UNDERMINING AND DETERIORATION OF OR DAMAGE TO THE FABRIC. DAMAGES SMALL BE IMMEDIATELY REPAIRED. SEDIMENT SHALL BE REMOVED WHEN THE LEVEL OF SEDIMENT DEPOSITION REACHES OINE HALF THE HEIGHT OF THE BARRIER. 3.THE DIVERSION DIKES SHALL BE INSPECTED FOR ANY DAMAGE CAUSED BY EROSION OR CONSTRUCTION ACTIVITY AND TO ENSURE A GOOD STAND OF GRASS IS ESTABLISHED. DAMAGES SHALL BE IMMEDIATELY REPAIRED. 4. THE SEDIMENT TRAPS SHALL BE CHECKED TO ENSURE THEY ARE STRUCTURALLY SOUND AND HAVE NOT BEEN DAMAGED BY EROSION OR CONSTRUCTION ACTIVITY AND A GOOD STAND OF GRASS IS MAINTAINED. ALL ISSUES SHALL BE CORRECTED IMMEDIATELY, SEDIMENT BUILD UP SHALL BE REMOVED FROM THE TRAPS AND THE TRAPS RESTORED TO THEIR ORIGINAL DIMENSIONS WHEN THE SEDIMENT HAS ACCUMULATED TO ONE HALF THE DESIGN VOLUME OF THE WET STORAGE. 5.RIPRAP SHALL BE INSPECTED FOR SCOUR BENEATH THE RIPRAP OR FILTER FABRIC OR DISLODGED STONES. DAMAGES SHALL BE IMMEDIATELY REPAIRED. 6. ALL SEDIMENT REMOVED FROM TRAPPING MEASURES SHALL BE DEPOSITED IN A SUITABLE AREA AND IN SUCH A MANNER THAT IT WILL NOT ERODE OF CAUSE SEDIMENTATION PROBLEMS. THE SEEDED AND MULCHED AREAS SHALL BE CHECKED REGULARLY TO ENSURE THAT A GOOD STAND IS MAINTAINED. AREAS SHOULD BE FERTILIZED AND RESEEDED AS NEEDED. REFER TO ESC TECHNICAL BULLETIN #4. PROVIDE REMEDIAL STABILIZATION AND SEEDING FOR A PERIOD OF ONE YEAR AFTER CONSTRUCTION. PART 2: STORMWATER MANAGEMENT REPORT A. STORMWATER MANAGEMENT OVERVIEW( THE PROJECT WILL HAVE A TOTAL DISTURBED AREA OF APPROXIMATELY 23.01 ACRES. WITHIN THE LIMITS OF THE DISTURBANCE, THE PRE -DEVELOPED CONDITION CONSISTS OF 20.23 ACRES OF MANAGED TURF AND 2.68 ACRES OF IMPERVIOUS AREA. THE PROPOSED POST -DEVELOPMENT CONDITION WILL CONSIST OF 20.42 ACRES OF MANAGED TURF, 2.49 ACRES OF IMPERVIOUS AREA. THE RUNOFF FROM TIHE SITE IN BOTH THE PRE -DEVELOPED CONDITION FLOWS TO EXISTING STREAMS AND PONDS ON OR NEAR THE SITE. THE MAJORITY OF RUNOFF IN THE POST -DEVELOPED CONDITION WILL FLOW THROUGH ROADSIDE DITCHES BEFORE DISCHARGING INTO EXISTING STREAMS AND PONDS. ALL FLOWS IN THE POST -DEVELOPED CONDITION ARE CONSIDERED SHEET FLOW WHEN THEY LEAVE THE SITE. THE PROPOSED IMPROVEMENTS TO THE SITE TRIGGER THE REQUIREMENTS OF THE VIRGINIA STORMWATER MANAGEMENT PROGRAM (VSMP) REGULATIONS, SPECIFICALLY PART 11 B. TO HANDLE THE WATER QUALITY REQUIREMENTS, THE OWNER WILL DESIGNATE 9.1 ACRES ON THE PROPERTIY AS CONSERVED OPEN SPACE. OVERALL STORMWATER CALCULATION INFORMATION DRAINAGE AREA FLOW RATE ANALYSIS WAS PERFORMED IN THE "HYDRAFLOW HYDROGRAPHS' PROGRAM USING THE SCS METHOD. THE SOILS ONSITE WERE CLASSIFIED AS HYDROLOGIC GROUP B BASED ON THE NRCS SOIL REPORT. CURVE NUMBERS (CN) WERE BASED ON 98 FOR IMPERVIOUS AREAS AND 61 FOR GRASS AREAS IN B SOILS. REFER TO APPENDIX C FOR DRAINAGE AREA CALCULATIONS. TIME OF CONCENTRATIONS WERE DETERMINED BASED ON THE TR -55 METHOD. DRAINAGE AREAS WHERE THE SIZE AND SLOPES RESULTED IN A TIME OF CONCENTRATION'S BELOW FIVE MINUTES WERE DEFAULTED TO A MINIMUM VALUE OF FIVE MINUTES. TIME OF CONCENTRATION FLOW PATHS USE MANNING'S N -VALUE OF 0.15 FOR GRASSED AREAS AND 0.030 FOR NATURAL CHANNELS. RAINFALL VALUES USED IN THE CALCULATIONS WERE BASED ON THE "NOAA ATLAS 14 POINT PRECIPITATION FREQUENCY ESTIMATES" FROM THE NOAH WEBSITE FOIR ALBEMARLE COUNTY, VIRGINIA. REFER TO APPENDICES A-1. B. WATER QUALITY ANALYSIS THE STORMWATER REGULATIONS FOR LAND -DISTURBING ACTIVITIES DISTURBING MORE THAN ONE ACRE THAT RESULT IN NO NET INCREASE IN IMPERVIOUS COVER FROM THE PRE DEVELOPMENT CONDITION, (9VAC25-870-63 A.2.A) STATE THE TOTAL PHOSPHORUS LOAD SHALL BE REDUCED AT LEAST 20% BELOW THE PRE -DEVELOPMENT TOTAL PHOSPHORUS LOAD (AS CALCULATED PURSUANT TO 9VAC25-870--65). WATER QUALITY ANALYSIS WAS BASED ION THE VIRGINIA RUNOFF REDUCTION METHOD RE -DEVELOPMENT WORKSHEET - V3.0 (TO BE USED W/ DRAFT 2013 BMP STANIDARDS AND SPECIFICATIONS). THE TOTAL DISTURBED AREA OF 23.01 ACRES IS USED AS THE SITE AREA. THIS AREA HAS A POST -DEVELOPED IMPERVIOUS AREA OF 2.49 ACRES (10.8%), WHICH IS LESS THAN THE 2.68 ACRES IN THE PRE -DEVELOPED CONDITIOM. COMPLETING THE SPREADSHEETS RESULTS IN THE REQUIREMENT FOR 2.69 POUNDS OF PHOSPHORUS REMOVAL PER YEAR. TO SATISFY THE POLLUTANT REMOVAL REQUIREMENT, 9.1 ACRES WITHIN THE SUBJECT PROPERTY, OUTSIDE OF THE PROJECT LIMITS, HAS BEEN DESIGNATED AS CONSERVED OPEN SPACE. AS PER A CONVERSATION WITH MATT WENTLAND, ALBEMARLE COUNTY, THIS AREA MAY BE APPLIED AS MANAGED TURF IN THE PRE -DEVELOPED CONDITION AND CONVERTED TO OPEN SPACE IN THE POST -DEVELOPED CONDITION AS I'T WILL NOW BE IN A PERMANENT EASEMENT. THIS ADDITIONAL CONSERVED OPEN SPACE REDUCES THE PHOSPHORUS LOAD BY 2.7(0 POUNDS PER YEAR, THEREFORE, THE WATER QUALITY REQUIREMENT IS SATISFIED. REFER TO APPENDIX C-1 FOR COMPLETED) WATER QUALITY CALCULATIONS. THE OWNER'S LAWYERS WILL WORK WITHI THE COUNTY TO DEVELOP THE PROPER DOCUMENTS SECURING CONSERVATION EASEMENTS FOR THE REQUIRED LAND PRIOR TO BEGINNING CONSTRUCTION. AN APPROXIMATE LOCATION OF THE EASEMENT IS SHOWN ON THE PLANS, HOWEVER, THE OWNER MAY CHOOSE A DIFFERENT LOCATION, AS LONG AS THE OVERALL AREA IS THE SAME. FINAL LOCATION WILL BE BASED ON PLATS RECORDED WITH THE COUNTY, C. CHANNEL PROTECTION ANALYSIS THE VIRGINIA STORMWATER MANAGEMENIT PROGRAM (VSMP) REGULATIONS FOR CHANNEL PROTECTION (9VAC25-870-66 B) STATE, CONCENTRATED STORMWATER FLOW SHALL BE RELEASED INTO A STORMWATER CONVEYANCE SYSTEM AND SHALL MEET CERTAIN CRITERIA BASED ON THE TYPE UF SYSTEM (MANMADE, RESTORED OR NATURAL). ALL CONCENTRATED STORMWATER FLOWS FROM THE PROPOSED DRIVEWAY CHANNELS AND CULVERTS ARE CONVERTED TO SHEET FLOW PRIOR TO EXISTING THE SITE,. FLOWS GREATER THAN 1 CFS FOR THE 2 -YEAR STORM ARE DIVERTED TO LEVEL SPREADERS AND DISCHARGES LESS THAN 1 CFS IN THE 2 -YEAR STORM HAVE BEEN DETERMINED TO BE NON-EROSIVE, AND THEREFORE NO ADDITIONAL MEASURES ARIE REQUIRED. THEREFORE, THERE IS NO CONCENTRATED DISCHARGE ASSOCIATED WITH THIS DEVELOPMENT. D. FLOOD PROTECTION ANALYSIS THE VIRGINIA STORMWATER MANAGEMENTT PROGRAM (VSMP) REGULATIONS FOR FLOOD PROTECTION (9VAC25-870-66 C) STATE, CONCENTRATED STORMWATER FLOW SHALL, BE RELEASED INTO A DOWNSTREAM CHANNEL WITH CAPACITY TO CONVEY THE POST -DEVELOPMENT PEAK FLOW FROM THIE 10 -YEAR 24-HOUR STORM EVENT OR THE POST DEVELOPMENT PEAK FLOW RATE FOR THE 10 -YEAR 24-HOUR STORM EVENIT MUST BE RELEASED AT A RATE LESS THAN THE PRE DEVELOPMENT PEAK FLOW RATE FROM THE 10 -YEAR 24-HOUR STORM EVENT. AS NOTED IN SECTION C, THERE IS NO (CONCENTRATED DISCHARGE ASSOCIATED WITH THIS DEVELOPMENT. E. SHEET FLOW ANALYSIS THE VIRGINIA STORMWATER MANAGEMENT- PROGRAM (VSMP) REGULATIONS FOR SHEET FLOW (9VAC25-870-66 D) STATES, INCREASED VOLUMES OF SHEET FLOW RESULTING FROM PERVIOUS OR DISCONNECTED IMPERVIOUS AREAS, OR FROM PHYSICAL SPREADING OF CONCENTRATED FLOW THROUGH LEVEL SPREADERS, MUST BE IDENTIFIED AND EVALUATED FOR POTENTIAL IMPACTS ON DOWN -GRADIENT PROPERTIES OR RESO4URCES. THE MAJORITY OF THE DISTURBED AREAS NATURALLY SHEET FLOW OFF THE SITE AT NON-EROSIVE VELOCITIES. STORMWATER ACCUMULATED IN THE DRIVEWAY SWALES IS TEMPORARILY CHANNELIZED, BUT CONVERTED TO SHEET FLOW PRIOR TO LEAVING THE SITE. AS PER CONVERSATIONS WITH THE COUNITY, DISCHARGES LESS THAN 1 CFS IN THE 2 -YEAR STORM HAVE BEEN DETERMINED TO BE NON-EROSIVE, AND THEREFORE NO ADDITIONAL MEASURE BEYOND OUTLET PROTECTION IS REQUIRED TO MEET THE SHEET FLOW DEFINITION. IN TWO LOCATIONS, THE (DISCHARGE FROM THE CONCENTRATED POINTS ARE GREATER THAN 1 CFS. THESE TWO LOCATIONS (SCC -4 & SCC -8) ARE DIRECTFED TO LEVEL SPREADERS SIZED BASED ON THE VIRGINIA DEQ STORMWATER DESIGN SPECIFICATION NO. 2. PER SECTION 6.3 OF' THIS SPECIFICATION, LEVEL SPREADERS SHALL BE 13 LINEAR FOOT PER CFS. THE 2 -YEAR FLOW FROM SCC -4 IS 1.26CFS ANBD SCC -8 IS 1.29CFS. THEREFORE, EACH OF THE LEVEL SPREADERS ARE SIZED AS 17 -FEET. OVERALL, THE IMPERVIOUS AREA IS REDUCED IN THE POST -DEVELOPED CONDITION. ALL RUNOFF FROM THE SITE IS CONVERTED TO SHEET FLOW, WHICH FLOWS TO NATURAIL, UNDISBURSED LAND BEFORE ENTERING INTO THE SURROUNDING NETWORK OF STREAMS. THEREFORE, NO IMPACT TO DOWN -GRADIENT PROPERTIES ARE ANTICIPATED WITH THIS DEVELOPMENT. F. STORM SEWER SYSTEM ANALYSIS THE CULVERT AT THE ENTRANCE WAS ANALYZED IN THE 'HYDRAFLOW STORM SEWER" PROGRAM AND ALL SWALES WERE ANALYZED IN THE `HYDRAFLOW EXPRESS" PROGRAM. THE ONSITE CULVERTS ALL DEFAULTED TO A MINIMUM 15 -INCH DIAMETER. THE `WORST CASE" SCENARIO FOR THE CULVERTS WAS ANALYZED TO ENSURE 15 -INCH DIAMETER CULVERTS WILL CONVEY THE 10 -YEAR FLOW. ALL PIECES OF THE SYSTEM WERE ANALYZED TO CONVEY THE POST -DEVELOPED PEAK FLOW RATE FROM THE TWO-YEAR 24-HOUR STORM EVENT WITHOUT CAUSING EROSION OF THE SYSTEM AND TO CONFINE THE POST -DEVELOPED PEAK FLOW RATE FROM THE 10 -YEAR 24-HOUR STORM EVENT WITHIN THE SYSTEM. REFER TO APPENDIX D-1 FOR CALCULATIONS. G. MAINTENANCE THE CURRENT PROPERTY OWNER (MR. & MS. TIM DAVIS) WILL BE RESPONSIBLE FOR ENSURING PROPER MAINTENANCE OF THE STORM SEWER SYSTEM ON THE PROPERTY. A STORMWATER MANAGEMENT MAINTENANCE AGREEMENT WILL BE COMPLETED AND SUBMITTED PRIOR TO CONSTRUCTION. Op % E. CAM BELL BOLTON Lie. No. 051495 lot 7 ONAL I z' 1"; z > ui t� V a a t3 u. z _ > 0 ., a; i a a dq w m z o0 N > � q N ss F e ria �f' U ov 0, g ° m �1 as �s o 2 LLi F- z < z 0 W ;2i c �L z F_ LU z w W o > UJ 0 cc 06 '/'` 0 0 � z 0 Ci F- �-- �- > W 3:F_ F- 2 z Q LJ w LLI�- U) 0 > a. Ll 06{'� `✓-j z 0 it cJ m 0 U) LLJ �- Lu cr_m 3 Ill W Q REVISIONS DESIGNED BY; ECB DRAWN BY: AJH CHECKED BY: CES SCALE: NO SCALE DATE: AUGUST 14, 2017 PROJECT NUMBER: 016101 C-01 CO.2 ` \ i t i 6 .,, '° ..„ ✓ r d. , '` r '! r r r r/ ! p ; / 1 ; i t I l 6 "+ t r t f t ° , \ "i , ° t r ,r r r .,' ,,. •/ J r r t a ; { { I } # j � j MA6 p t t ; t / ! �+ t tl p+ tt it tj�, t ° tS r r w r- ' r s r r r r r rJr ✓ r ! P J Jt { ! I tj p X t 1 t 1 0 �! °, t 4t ;° Y tt °, ♦, #' /rr ,,".'''' r r' jr'.'.'' rrr .r r.+'r fr jp /r It t i t t t \ ♦ ' rr r r r J / p t I t P 1 1 t t '' t t ♦ t PROPOSED q S t t 1 t t ♦ ♦ TRACT 28 jp 'gL,, ,ayn`b, � l \° , 1 °\ �O +*. J r .. .,, r r' /✓ r r r ` /t r ;{ i i # a i 1 1 f d t v9 PWF ��pj�T� fi�rt. i ! �j'`----,._ r BRLANS.-16A t � Ott° \, �, It 4� 1, t., ` tit t ro 1._. p.. ''r r Jr J'' rr r+'" rr Ir ii L c. 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BW OWL BRICK WALL P 52.3 CELCEDAR CM CREPE MYRTLE CORRUGATED METAL PIPE PWF PWF FPCMF B Vi' B 0 GO CLEAN OUT 52.0 CON CONCRETE DBL DOUBLE PWF QS DOWNSPOUT 6 519.6 MAG EM ELECTRIC METER ENT ENTRANCE FC FILLER CAP MAG FF FINISHED FLOOR 520.9 1 FP FENCE POST GV GAS VALVE HP NEAT PUMP M INV INVERT % 520.7PWF rXMAG MAGNOLIA 52 MAP MAPLE OWF ORANGE WIRE FLAG 519.4 0&W ORANGE & WHITE 1t GUY PAR PARADISE POLE L - PDP POPLAR - PTPROPANE TANK t t PINK WIRE FLAG AGPWF ,-_-__-_-_ 523,3 RPT RAILROAD TIE SD SATELLITE DISH C 2.7 SG SWEET GUM 523.3SYC SYCAMORE X TELEPHONE BOX 52.7TB f f j r ,s r PROPOSED 7WS TALL WOODEN STAKE _ - -""_/ THAT 2A 6" r MAS GFD VP VERTICAL PIPE _ w - __...-_ -." _ ' _ -- h FP f WAL WALNUT 623.7 v WC WILD CHERRY 15 WOODEN WALL DBL r 523.9 WW CECEO 524.0 GRAVEL WOODSYH YARD HYDRANT \ MAGMAG GED O ORANGE PAINT t 512.4 E4 52.4 /OVERHEAD UTILITY LINE CEC 127" 1f O CM MAT CMrteT Nr ; 12„t / t GHAVEL I - I - J/ 012" MAG SG PDP 24" CM \3 TREE 523.0DM ��7Pi.5AR U�2.D { 1 s 8 Jtt td i i i { {1 t 7 {i 1 d d i i t l/ rrd fr`r rrr r r r rr'r r,,... ••�'_ r r / / r r � „ � 514 , :J � � � 11 � q ... .0 t � � --\ 1 '! 11 f f r r ,. r r ,, r ` '"' r 513.7 I 1 t 1 OWMA 1 rrr rr /r t/ rrr F4 # 1 ,/ 6,:.! .;S # 12." rr r J !! r t / ♦ MAG I X SG SIGN 1 J rr rr rrr rr �#rrr %r r ' ! 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X MULCH 511.1 d d PILE X j , FEN NO4L { o tt f DBL• ��} ♦♦t ♦i YHo tt t 1 i I 5111.4 511. 1 '�lj MA t 1 t WELL \ tt t t d { t opN GRAVELCc _� i k t ,t1 tt Er Z .. s. -.. '� °tt tt � MAG# *1 t t t I t t 1 t E t,� +15" a _747- 'ED t , ' ED - - - _ ♦ tt4�� - - - -- �-__ -- - - --- " - - - __ 15-" AG rrrr 10 A CED t� 24- ♦ ___ _M_n ... � CED _ __ _--__ t` a ' r - ACED 2- - _-__..-.-_`__--..,....__...__._ � Il WAL _ r - -- -- NOTES: 1. OWNER (S) & LEGAL REFERENCES: RMC7, LLC D.B. 4616-148, D.B. 1952-61 & 62 PLAT 2. NO DETERMINATION WAS MADE TO THE EXISTANCE OR LOCATION OF UNDERGROUND UTILITIES. CALL MISS UTILITY BEFORE ANY GROUND DISTURBING ACTIVITIES. 3. TREE SYMBOLS REPRESENT THE LOCATION OF THE TREE AND MAY NOT REPRESENT THE SIZE OF CANOPY. 4. THIS PROPERTY IS PROPERTY SUBJECT TO THE FOLLOWING: A. EASEMENTS TO ALLTEL COMMUNICATIONS, INC. (D.8.3185-583 & D. X3.2944€-17) . 8. A PRIVATE ROAD MAINTENANCE AGREEMENT AS DEFINED IN D.B.3747-81. C. A STORMWATER MANAGEMENT/BMP FACILITIES MAINTENANCE AGREEMENT AS DEFINED IN 0.8.3807-483. D. A RESTRICTIVE COVENANT AS DEFINED IN D.B.2821-634 THRU 639. E. EASEMENTS TO VIRGINIA ELECTRIC & POWER COMPANY(O.B.1774-452,D.B.533-194,0.B.477-426 & D.B.423-370), F. AN EASEMENT TO VIRGINIA PUBLIC SERVICE COMPANY(D.B,200-280). G. A PERPETUAL RIGHT OF WAY TO VIRGINIA -WESTERN POWER COMPANY AS DEFINED IN LAW ORDER BOOK 42-406. 5. NO TITLE REPORT FURNISHED. THIS PROPERTY IS SUBJECT TO ANY ADDITIONAL CONDITIONS, UTILITIES, EASEMENTS, AND/OR COVENANTS THAT MAY EXIST. 6. THIS TOPOGRAPHIC SURVEY WAS COMPLETED UNDER THE DIRECT AND RESPONSIBLE CHARGE OF BRIAN S. RAY FROM AN ACTUAL GROUND SURVEY MADE UNDER MY SUPERVISION, THAT THE IMAGERY ANO/OR ORIGINAL DATA WAS OBTAINED ON JANUARY 19 AND FEBRUARY 4, 5, 8 & 11, 2016: AND THAT THIS PLAT, MAP, DR DIGITAL GEOSPATIAL DATA INCLUDING METADATA MEETS MINIMUM ACCURACY STANDARDS UNLESS OTHERWISE NOTED. GRAPHIC SCALE 1"=30' U 30 60 90 1 SHEET LAYOUT r `C 3 f TOPOGRAPHIC SURVEY OF A PORTION OF TRACT 2 (TAX MAP 60 PARCEL 2A) THE PROPERTY OF RMC7, LLC LOCATED ON STATE ROUTE 654 (BARRACKS ROAD) JACK JOUETT MAGISTERIAL DISTRICT ALBEMARLE COUNTY, VIRGINIA SCALE: I" = 30' DATE: FEBRUARY l,, 2016 CONTOUR INTERVAL = I' & 2' DATUM : NAVDBB FOR RMC7, LLC ROGER W. RAY & ASSOC.,INC. 1717-1B ALLIED STREET CHARLOTTESVILLE, VIRGINIA 22943 LAND SURVEYORS LAND PLANNERS 434-293-3195 SHEET 1 0F 3 9903H SHEET LAYOUT PWF o 9 WOOD `> woods \ t x \i 501.0 r \ LTJ 503.5 1 >., w , ' 503.6 500.6 `++ > ° ° �..,,►�.` 18 TREE w \ + co WOODS w \502 4 �,--�C' ` BIRD> On ♦ \ HOUSE ..�� x +-500+ \ \ r �s -� 500.8 18 `+++ HICKORY 501.4 / r / \ WHITE ` w' ° , ✓"r ~ "" a \ x \ 50 5.2 STEPS +, \PINE 501.4 \� _ a 1 15" Coo °\ >>> G~L > > TRIPLE a "` °e °♦ >* i\ \ CED OWF 503.2 >> Z \ _ a ` a ♦ ' a >. \ INV_ B -BX DECK INV= > > �\ 12" GMP 500 .5 27" �r� EM TB 501.0 503.2 X \ \ 499.9 \ 1 CED G BwOr ENT 501.0 500.7 cc H (Z CO ST.NE -" ... � t It \ _ CBEECH \-_ BW�� 503.6oHPUOIyISION L -^�" i t \ / t \°a - as tr.i� 1 STORY -`Ed FRAMEENTOWF - SIGNo 503.6�BW X- - x- ` tTWS I 1 J I - - 502.7 502.2502. 501.6yi iPOP ° /� !OWF I f' -BW yDS iGAAVEL8�OKK �.�501.8�w 502.3 / / f PROPOSED TRACT 2A �. '�r. r •`,_rr '_" .\-- \tt1-\\- \ \�\\r`'\ r t,,�\ / / �``\ aaaa ' a aa\ ° ♦ ° ;\; \\ ax; 1/ ---------- ya501.2/1 \\\ o \ PROPOSED LEGEND TREE / TRACT 2A OWF B -BX BREAKER', B O X 504.BW BOXWOOD BWL BRICK WALL CED CEDAR _ - -- -- - DBL CM CREPE MYRTL E DOGWOOD OWF 0, 15 CMP CORRUGATED METAL PIPE HEMLOCK CO CLEAN OUTC -__ \ //° // eee r //o e \ "'�""r -- -.1� °♦ \a a® \\ CON CONCRETE \l' �' '�� \°\ a ♦ \♦ DBL DOUBLIE // /e //' /° / rr \ \ �` "-- ... `",._ \\ ♦ +\ DS DOWNSPOUT EM ELECTRIC (METER ENT ENTRANtCE � �ppe /// ✓// OWF !/rrrrr >\ +` a \\ \ \ ""'--►._ FC FILLER (CAP •�' _ _ • \-___ L \� +\ ,\ ♦ VISION LIN ee FF FINISHED fFL00R / ' .. / r r „.-' a <• , __...►11 /' / // �r �.,.' \ \ `.+ \° `w °\ °♦ FP FENCE POST / ° °s GV GAS VALVE ool/ ter' eee HP HEAT PU1MP INV INVERTF t d/ ♦ OWF HE `` +•• ° ` e MAG MAGNOLIIA MAP MAPLE: WHITE OA/K /' ♦ °a OWF ORANGE WIRE FLA G ROCK BLDG PROPOSED 0&W ORANGE E WHITE WOODS TRACT 2B PAR PARADIOE CON SILO G194�FC �y\`a 8 �ti> \ \\° °°a POP POPLAR 1 514.5 - _ ,•`>\` `. MAG \ a ` ti ♦\ ♦\ ♦° a PROPOSED PT PROPANE TANKFF TRACT 2$ /9 515.PWF PINK WIRE FLA G 2' WC 8" OwF1 LIMITS OF BUSH DS 515.3 RRT RAILROAD TIE HIC WC o15" CONTOURS DBL JJ 515.3 \ \ \ t CM \ POP / / _ _ \ \ \ - > 5 \ \ MAS \ ♦ ♦ SD SATELLITE DISH \� '\\ \ LUST\ \ ; ; SG SWEET GLUM OWF / / ! / / ° , , !s ® /° / °/ /s s /t //' s° ✓J♦ /'/\ ® eO/ , r_t / i l! JJ ip yt/ 1 t t Jt t 0t1 t�_, 't -�yt!tt t_ - r-_ t t_ /1 •' / t r\ /! ! 1ttJt / yt tt, tt 1 515.9�3WC 9 m ++ \ BRICK iw ♦ yj `C \ •\ . r \\ \\q \ `♦\v \ \ \\ \\ ' SYC SYCAMORE OWC OBL 4" 514.6 TOP OWF, WF t DOGWOOD 514.1OWFy ! ENT TB TELEPHONE B O X 515.7 i I X 515.9 FRAME f / 516.3 TWS TALL WOODEN STA KE GUY 0 la _ - J"w ENT 0POLE 2 STORY ;� + 514.$ VP VERTICAL PIPE 515/M OWF 1 514.3 FRAME OWF 0 OWF/ 21• 1 1 ; t l WAL WALNUT TP TREE CM 4 l a \ WC WILD CHERRY " % \ \ FF 1 CM FOUND 24 t30 18" 515.3 GRAVEL WW WOODEN WALLCED POP flOWF WC 517.5 w y ® * >> \ \ BLDG t 517.9 w `� ( ® \ YH YARD HYDRANT B BUSH t t i / i '♦ v a \\ °♦ °♦ / / a\ 516.7 S CM _ _ eeeBLK �f //Pe♦ t t y t 1 i ` a \ ♦ ♦ a BIRD, IS + _ ° '` ° ST PS L t t y y t \ t \ ; / \ YH ` V193.4 \♦ t t 1 i 1 27 - CEO t \ t ♦ / \ CM MOUSE z? a 0 ORANGE PKINT OWF DS DS \ t t t t GED OWF t t ° / PT ° 1 QFC ♦ t \ t l 1 a \ y t \> ♦\ ♦♦ CON y ii \ tt ` ` w ( WAL DBL `� \ ° � ---� OVERHEAD UTIL7ITY LINE / 1\512.2 517.4 t 518, a\ ° `e AL /+ J 4 4.0 t \ i _ i t ° \ ! \ ♦ x x _ +• EM DS \ tt \ a °\ \ 514.4 ! E) \ t 516.6 517.5 tt rCMj 9" \\ ' w ` !J HP TB i STORYFRAME & BLOCK tt tt BUSH ° e ` \ / ;\ ROLL / MAG ° _ ` \ `WAL WA s > a \ ! 42" t w \ w x 1 ` � \ FRAME FF' i \ RED GV ENT 492.A t t a> \ ° \ \ OWF BLDG 514-6 SOAK \ t t - - - - --- w e i ( °° 18•, JJ 494.2 493.7 DS ) w a ° \ o \ . _ \ POST x t ' f w t \ ♦ w FF t / ` a ( ( \ WC / DS 000 tt t s ° \ °w `~~` �` OAK `\ o a\ 511.6 FF 517.1 \ .`` \° 517.1 11 t FF ,' �V ° °(�` ( °' \ \ ° i t /r♦\ ♦\ \ \\ o \ STUMP \ \\ i \ x 518.4~w i 519.2 ` ♦\; J \ \ w \ \ f ' . 518.9. ., \> ART WL 92.8 tt / ', CHERRY \ \ t \ OWF \ . t / \ 515.4 ° ( ( ° ` + CONCRETE DS / ° `\ TWS \\ \ \a to i ``° \ \ > CE _ + " x BWL ✓ // ° >' >>> °\w o \ a`. ,; e e\ a \ BC�RB a\ GRAVEL i FRAME ' ° e ♦ ' ,> 492.8 492.9 tet/ \ / 1 >++ \ e° a♦ \` �`� a° a♦ \ 36" °♦ tl I BLDG CONDUIT - ; w CED d92.7 492.8 \ ® ° \ O t t 6" • _ ° ♦ e > t / t + , ♦ . \ I \ RED \\ x \ \ ° ° , ° \ ♦ a OAK / t e'! MAG `+ \ w ° ♦ ) ENT w w 494. BWL 492.5 ��tt GRAVEL /\t °,•, > ° ' ` °° ° \\ \\ \ ° '/ // 516.6 t YH 20.7 dO&W $♦ \ (`a `�` ♦ae w `., ' `a �+ a > WW Jt / ., ♦>> POST ~ ` ♦ \ \ e r - - • / 516.9 f / X >. `( 2" \ ° w •° w 492.3 t o `� ° S,. ° ` ° \ t \ . r 516.1 BRICK I a >> 492.9 t x / t YH oo * ,° w TREE \ ♦ \ \ \ / BLK y BRICK . - \ 494.8 ' \` WELL > ` `� / / - YH 1 t BLK >�4 J 520.3 >,' DBL( \ ° \ CO \ 1 >> `N `� . t POLE as \ t d I SYC 'r BLK / 1 e il` IMITS OFCONTODURS • ( MAG j `� .` w\ 9,.+\a y a aa\ t f t t t ° y BLOCK x CED t / \ I ; \ t ! i I 517.2 BLK CURB ! 520.9 ° +CED 4 1 a t t BLK _- \ w FF 52 .i \ e °w e \ \e w`\ \ \ �` ` aw `♦ \ a; t w1 �� a \; ! 1 I 517.7 B -BX J ° ` w ♦ a \ \ `o OWF �> \ \ t 36" \ ; ; I 1 I t I ' EM RED ° \\ \ \ t 1 I t y S 1 oPWF °w �® w\ >° \, \' \ \ .` ` >> \a 5 OAK \ \ ; t i 1 t t tom 3FRAMEY FRAME POLE 12 +18°' e w 4� a 1` > \ \ \ a \ \ \ t t i i w t \ r > ® CED J t FF .7 t r - x- \ LK 17. 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RAY & ASSOC-INC. 24 1 > a a a ;a♦ y `> *> \\ ° CED \ \r\ \ _ `>� w ♦ >> *. s1 1727-2B ALLIED STREET t 2 POLE CHARLOTTESVILLE, VIRGINIA 22903 MAG4• MAGLAND SURVEYORS LAND PLANNERS WAL \2 434-293-3295 WAL MAu�t VP w e\ e e e ° a ! o \ \ \ w PWF TREEo MAG \ \ 'o .. ,, t \ > > _ \, \ t \ t ` t t t ♦ , \ \ 10 `® ' > \ 18" \ \ \ t \ ?' \ t ; c'�2" \ 61 \ a \ o t ` > DBL ` ° i a a t ` \ \ l ° t t \ c.. 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URVEYAPRIL � 20" 5 --v--- _ _ -- -- / , ----- - _ _ 0 ---- \ � �\ llRVEYED --------- ------------ ---- ♦ ♦ ` �------- ---- __'----------' -4 --- ! t / w ♦ \ ` / %} TREE\\ -...___._ '//� 1 t t t MOWN / t • ' ' - / �QG j i CWILD HERRY MOWN ,�\\ t GRASS GRASS r r „ - , ` 2,. f\ 1 TRP \ \ \ a ` \ ----_-----K _ + °\MAG \ + °, \ r' ' MATCH LINE r ` ROGER W. RAY & ASSOC—INC. 1717—IB ALLIED STREET CHARLOTTESVILLE, VIRGINIA 22903 LAND SURVEYORS LAND PLANNERS 434-293-3195 SHEET 3 OF 4 9903) DISTURBANCE IN PREVIOUSLY DISTURBED STREAM BUFFER (-2,360 SF) TO CORRECT EROSIVE SLOPE, RIP RAP CHANNEL TO BE INSTALLED FROM CULVERT OUTLET, DOWN BANK TO STREAM. COORDINATE CONNECTION TO STREAM WITH USACE "s DISTURBANCE TO UNCLASSIFIED CRITICAL ; SLOPE (6,100 SF). CRITICAL SLOPE NO LONGER EXISTS AS SHOWN (PER COUNTY GIS) 1' DUE TO PREVIOUS CONSTRUCTION OF ROAD. a \ DISTURBANCE TO UNCLASSIFIED CRITICAL \ f SLOPE (7,260 SF). CRITICAL SLOPE NO / LONGER EXISTS AS SHOWN (PER COUNTY GIS) DUE TO PREVIOUS CONSTRUCTION OF ROAD. INVASIVE PLANT SPECIES TO BE ,�,' �♦ REMOVED AND REPLANTED WITH NATIVES PER THE LANDSCAPE PACKAGE. APPROXIMATE 50,000 SF. NO GROUND DISTURBANCE INVOLVED. CX21 <` �\ \\ - � DISTURBANCE IN PREVIOUSLY DISTURBED STREAM BUFFER (35,500 SF) TO BE J - MINIMIZED. MINIMIZED. PROPOSED DRIVEWAY TO UTILIZE EXISTING STREAM CROSSING AND 4 ss �J INVOLVE MINIMAL GRADING. AREA TO BE ` REPLANTED WITH NATIVE SPECIES PER THE LANDSCAPE PACKAGE. 1 .0o'�+±,1 ' / js�!I l�► \\ \ 0 "� ``, `; �'\ \ \� DISTURBANCE IN PREVIOUSLY !� i'' f ff' , `' ' '/ '1�'�',, �► '� \ �� °\ �\ ° DISTURBED STREAM BUFFER t f. ill j \ s \ \ AND PO \� / r ,i � � �,, \\ \. ND (22,16fl SF). REFER \ \\ \ \ TO LANDSCAPE PACKAGE FOR a A 44 t T Garth road '�'{ � K � �f � }' Native Tree Double Frontage� � z$i,, � �� v R 3 f r{ Allee Linodendton tuli ffie#a and Betula ' t r , t�igrr sim. Native n5 Bare fOtt Native- -} - riparian shnubs and Ae,NxTree Seedlings Y t ;f . perennials below, PIP! Native Shrub Ede r° 10_ 6'-0'; j'f �.s Bare' Root Native Shrub •seedlings . t` -- Invaai e $' Treatment area: f r Fall 2017 - clover CrOD seeding. d' f. .� -all 2018:'•,-^= ' 1-2 Native BR trees z { r Nab to BR shrubs Dave Edge4 Reforestation: Sin: Rr k* r z A Native s � re�I�r�d m`�►n� <`, ' Understor-y and ,. I r .. i educed otC,rlCel :r r � • z _s' Can017\ trees ar.� Overeedin iri r I `1"Cal. at 15'-0" tall 201 vdth native 20'-0" o.C. ,� mei meadow forks. ' A Native Tree Al leetalpa 3p., Acer Cat itbrbm; or sinn(20'- 0"to 30-0o.c.) r, �� £� ti Xy iv/17/71 Area dominated by invasive species, F} 7 �} Y Y _ .✓ V REPLANTING (APPROXIMATELY + ,jc' / \ 90,000 SF).. COORDINATE IMPROVEMENTS WITH USACE. REPAIR FAILING OUTLET PIPE PREVIOUSLY INSTALLED 'i J i Jii '` + A I i i_��+ B SED ON GEOTECHNICAL \ \ \ BiORETENTION IS NO LONGER t, + CXn2 \ / ( �� '� \ \� � � i � RECOMMENDATIONS TO BE FUNCTIONAL; TO BE REMOVED ' !) ` j ; c� '. \ Cpl i t ;1 's, \ DETERMINED IN FIELD), \,,00' //,,i ..COORDINATE WITH USACE. \ \ �� , \ �\ \ �\ Pb400, 0\6\0.,o0 fl \\ \\ fl \ �, ♦ ♦ ♦ ! 1 /r z �( 1 r %%r / = - j �' / i \O', \ , \ ,ir \ i \ V �'�. flit ►f r , ,j/ i \ � �,`\� \ + w k,14, w A. 00000, 0! s++ \ �\ `\ ' ', \ ` 0,* �.J'1 `--- ; ,,� '��',\� � �•,^`` ,,,.+rarer. ._.`. ,r � woo / � � � 1 1 \ \ i �+` � Ll �\ /♦ !�, `�♦ `*, 'F ♦\' `i````ce 1 ` '� ' ' \� \ \ \ ` \\',,\�\\ \ \ \\ / 4 1 y NO DISTURBANCE \ �''', ° \ \ \� \.w.r.` «,,.:.� ♦ 4� -�`� TO CRITICAL SLOPES \' ~` ��1�` \\� e!N THIS AREA. 5-15- z _I5 z ``--------------- gi --` � ./%- �� ♦�� \\1 �\ � ',`l�j � \ '. \ CX03♦ -may} `-�-`�� ♦ ��i + rrrr 0 CxN 5 1_7 -0, 1,14 ` � \ \ ,,+ ♦�4eC11 �A U I 00000 CXA VNO DISTURBANCE TO CRITICAL t � NN SLOPES IN THIS AREA. NOTES: """ TSI OF 1, U.S. ARMY CORPS OF ENGINEERS (USACE) �j CHARLOTTESVILLE FIELD OFFICE CONTACT IS VINNY PERO; ruoiEIC��AMBELL OFFICE PHONE: 434-973-0568. 'SITE BOLTON 2. REFER TO ACCOMPANYING PHOTO No. 051495 PACKAGE' FOR PICTURE OF AREAS WHERE EXISTING STREAM BUFFERS AND STEEP SLOPES ARE CALLED TO BE DISTURBED, 3. THE SWM FOREST AND OPEN SPACE -(0�� EASEMENT iS SUBJECT TO THE GUIDANCE NAL SET FORTH BY DEQ IN THE VIRGINIA STORMWATER MANAGEMENT PROGRAM. THE AREAS WILL REMAIN UNDISTURBED IN A t� NATURAL, VEGETATED STATE, EXCEPT FOR ACTIVITIES AS APPROVED BY THE LOCAL , 2 PROGRAM AUTHORITY, SUCH AS FOREST Cz Z 3 L MANAGEMENT, CONTROL OF INVASIVE SPECIES, REPLANTING AND REVEGETATiNG, o o PASSIVE RECREATING (E.G., TRAILS), AND v U. z LIMITED BUSH HOGGING TO MAINTAIN DESIRED VEGETATIVE COMMUNITY (BUT NO MORE THAN FOUR TIMES A YEAR). LEGEND. 0 ., 0 M 0 STEEP SLOPE E C —• -- --•- •.— STREAM BUFFER STORMWATER MANAGEMENT a� FOREST & OPEN SPACE cv a a.r REMOVAL OF INVASIVE/ O r o� REPLANTING OF NATIVES < ¢ N w d d>vE -- — — --- PROPERTY LINE ,% -- d 0. ------------ LIMITS OF DISTURBANCE U. AL ct MITIGATION SUMMARY: r DISTURBANCE: co CHANNEL AT ROAD - 2,360 SF DRIVEWAY CROSSING - 35,500 SF POND REGRADING - 22,160 SF TOTAL - 60,020 SF MITIGATION: INVASIVE REMOVAL - 50,000 SF POND REPLANTING - 90,000 SF TOTAL - 140,000 SF 9.1 ACRES (BETWEEN PROPERTY LINE AND STREAM _..J °�\�'� ` \ 1 z',E.' BUFFER) TO BE PLACED IN CONSERVATION EASEMENT AS PART OF THIS PROJECT IN ORDER /TO MEET WATER QUALITY REQUIREMENTS (HATCHED AREA MATCHES WATER QUALITY SPREADSHEETS) \flt fl, \fl \T� ! \ 0 U\ O /fl-� \ may- -. _ :.; r��,t �J Z \Wti \O\fly '\fl\ �1 �' ? 11.E \ \ W i/'4 AA1.w\ \ \ \ \ \ \ r/ou \01, ` \ \ Q \ti •� 1 Q fl� \ `` \0\ \01 1 \ \ \ `/ \ \ \ \ '0 00\ \fit.. �e...t U 0000 LLI LU CL LU fl \ / m , > t� Q i, \ \ ► \ \ n REVISIONS fl \ �} \' '0' \ \ �y.000,0 \ , !, DESIGNED BY: Or \ `` ECB DRAWN BY: \� \\\\\\ \.!��' AJH \� �� \ � � � � �° s� <\ ,•'�\ i/" CHECKED BY: '\ ` �` \ \ t---1✓i CES \f00 � SCALE; 1" = 150' DATE: /\i-aRAP GALE AUGUST 14, 2017 \E` ` a PROJECT PROJECCTNUMBER: UUMBER: , 00 sooIso o Vi610 1 C-01 1 \ \ \I pop \` ■ 0 i \ CLEAN WATER DIVERSION DIKE DD s DIRECT RUNOFF FROM CONSTRUCTION ' ENTRANCE WASHRACK TOWARD SEDIMENT SETTLING AREA TO BE INSTALLED SOUTHEAST OF THE ENTRANCE. SEDIMENT TRAP DRAINAGE COORDINATE SETTLING AREA LOCATION DIVIDES ARE BASED ON "WORST AND DESIGN WITH EROSION & SEDIMENT CASE" BETWEEN EXISTING AND CONTROL INSPECTOR. PROPOSED CONDITIONS REMOVE RIRPAP ' REMOVE GRAVEL DRIVE CE j REMOVE PIPE CULVERT AND DOWNSTREAM RIPRAP AS FIRST STEP IN LAND DISTURBANCE; REPLACE PIPE AND INSTALL STRUCTURE PER INFORMATION ON SHEET C4.1; INSTALL RIPRAP CHANNEL PER DETAIL 3.17A ON SHEET C5.1 FOR DETAILS. SF DRAINAGE AREA TO SILT FENCE AREA = 0.40 AC LENGTH = 255' TEMPORARY OUTLET PROTECTION; OP L = 5' W= 3' -- �► __-- d50 = 6„ LIMITS OF DISTURBANCE DD DRAINAGE AREA TO SILT FENCE AREA = 0.06 AC LENGTH = 185' MAINTAIN POSITIVE SLOPE TO CULVERT INSTALL 15" TEMPORARY CULVERT. TO REMAIN IN PLACE THROUGHOUT CONSTRUCTION UNTIL SEDIMENT TRAP IS REMOVED. INSTALL RIPRAP FROM END OF PIPE TO TOP OF WET ELEVATION; MIN 5' WIDTH RON TS REMOVE ALL SITE FEATURES ASSOCIATED WITH EXISTING BIORETENTION (TYP,) SF DRAINAGE AREA TO SILT FENCE AREA = 0.18 DD AC LENGTH = 137' SF ®7 of Y U E. CAM BE BOLTON '�;_ Lie. No. 051495 ONAL z Z r� o o 0 u- z a s • TEMPORARY OUTLET PROTECTION; > L = 5' B► W= 3' OP i 0 d50 = 6" EEL 2 T DD C(' a C4om to >»�aN gE Zj >0 0 5t 20 'c p DD DIVERT FLOWS FROM DRAINAGE uu_ DITCH TO SEDIMENT TRAP 2. SEDIMENT TRAP 2 cs AREA = 1.85 AC r'o J DD DRAINAGE DITCH TO FLOW TO 1 SEDIMENT TRAP 3. SEDIMENT TRAP 3 y AREA = 2.14 AC ' DD SF DRAINAGE AE TO SILT FEI' AREA = 0.70 LENGTH = NOTES: 1. REFER TO SHEETS CO.1 & CO.2 FOR EROSION AND ;SEDIMENT CONTROL NOTES, LEGEND, AND NARRATIVE AND SHEETS C5.0 & C5.1 FOR EROSION AND SEDIMENT CONTROL DETAILS. 2, EROSION MEASURES SHALL BE INSTALL AS THE FIRST STEP IN LAND DISTURBANCE AND REMAIN IN PLACE UNTIL ALL UPSTREAM AREAS HAVE BEEN PERMANENTLY STABILIZED OR ARE REPLACED BY OTHER MEASURES. 3. EROSION AND SEDIMENT CONTROL MINIMUM STANDARDS (MS -1 THROUGH MS -19) SHALL BE FOLLOWED AT ALL TIMES. 4. UTILIZE SURFACE ROUGHENING ON ALL GRADED SLOPES BY CREATING HORIZONTAL DEPRESSIONS IN THE SOIL THROUGH THE USE OF EQUIPMENT WITH TRACKS OR OTHER SUITABLE METHOD, 5. ALL CONSTRUCTION TRAFFIC SHALL ENTER THE SITE USING THE APPROVED CONSTRUCTION ENTRANCE. 30 6. TURN—UP ENDS OF SILT FENCE PERPENDICULAR TO CONTOUR LINES. 7. ALL DEMOLITION ITEMS ARE TO BE REMOVED FROM SITE AND TO BE PROPERLY DISPOSED OF PER COUNTY, STATE AND FEDERAL REGULATIONS. 8. REMOVE TREES AS NECESSARY FOR CONSTRUCTION. COORDINATE ALL TREE REMOVAL WITH OWNER, DEMOLITION LEGEND: DESIGNED BY: ECB DRAWN BY: AJH CHECKED BY: CES SCALE: 1"=00' DATE: AUGUST 14, 2017 PROJECT NUMBER: 120 Cl 6101 C-01 � I C2.1 0 J i Il 00 LL ►� i m i Cn .6 i A uir r>. 3:06 REVISIONS DESIGNED BY: ECB DRAWN BY: AJH CHECKED BY: CES SCALE: 1"=00' DATE: AUGUST 14, 2017 PROJECT NUMBER: 120 Cl 6101 C-01 � I C2.1 2 4 L U �t ll. C U C U 'z a c U c m U O 6 U 0 U 0 in CS U 0 co U d 0 U 2 4 TOWER ACCESS ROAD. SEE LANDSCAPE PLANS FOR DETAILS NOTES: 1. REFER TO SHEETS COA & CO.2 FOR EROSION AND SEDIMENT CONTROL NARRATIVE AND NOTES AND SHEETS C5.0 & C5.1 FOR EROSION AND SEDIMENT CONTROL DETAILS. 2. EROSION MEASURES SHALL BE INSTALL AS THE: FIRST STEP IN LAND DISTURBANCE AND REMAIN IN PLACE UNTIL ALL UPSTREAM AREAS HAVE BEEN PERMANENTLY STABILIZED OR ARE REPLACED BY OTHER MEASURES. 3. EROSION AND SEDIMENT CONTROL MINIMUM STANDARDS (MS --1 THROUGH MS -19) SHALL BE FOLLOWED AT ALL TIMES. SR 4. UTILIZE SURFACE ROUGHENING ON ALL GRADED SLOPES GREATER THAN 5:1 BY CREATING HORIZONTAL DEPRESSIONS IN THE SOIL THROUGH THE USE OF EQUIPMENT WITH TRACKS OR OTHER SUITABLE METHOD. 5. ALL CONSTRUCTION TRAFFIC SHALL ENTER THE SITE USING THE APPROVED CONSTRUCTION ENTRANCE. 6. ALL DEMOLITION ITEMS ARE TO BE REMOVED FROM SITE AND TO BE PROPERLY DISPOSED OF PER COUNTY, STATE AND FEDERAL REGULATIONS. 7. SEE SHEETS C4.1 TO C4.5 FOR DETAILS ON PROPOSED STORM CULVERTS. BSM 8. SOIL STABILIZATION BLANKETS AND MATTING ARE TO BE USED ON ALLS SLOPES 3:1 OR GREATER. S J. DRIVE AISLE BASE COURSE SHALL BE INSTALLED AS ROADS BECOMES OPERATION TO ACT AS CONSTRUCTION ROAD STABILIZATION. GRAPHIC SCALE 30 0 15 30 60 (IN FEET) 1 Inch= 30 ft. 120 Nva E. CAM EELL BOLTON Y Lie. No. 051495 s ONAL�� z °9 U z 0 u. z a Q > 0 E 5. E N O -M4 N > N i w 9? ,fib 0 t3 •( C >, 0 00 0 4)0 '0 UPJ Aw Am N M rf r 11 Lu 2 0 00 C' LU z !6 0 ". i] Lu L !Z REVISIONS DESIGNED BY: ECB DRAWN BY: AJH CHECKED BY: SCALE: 101-"'1 ill = 30' DATE: AUGUST 14, 2017 PROJECT NUMBER: 016101 C-01 C c f U t L C c C u C C' C C C e L n LIMITS OF PHASE 1 I � ,,,ry H 0j70% (E. 1. BOLTON Lic. No. 051495 tONAL .Q z t 0 0 0 u- Z > 0 0 0 E a E re. m m > N07 � < ;Z6 9 > 4 E 'z! E ate+ i 80 r 2 >0 00 LC L C' AF 0 w 0 < < viii{..ri ,XX CL 0 < Z rr LU > UJ > 00 < REMOVE GRAVEL DRIVE ui z LL uj W 3: WIZ, 06 w Z, W 0 z > U-1 C 0 -j < W a. LLJ CC Lu 06 < REVISIONS NOTES: x 1. REFER TO SHEETS COA & CO.2 FOR EROSION AMID SEDIMENT CONTROL NARRATIVE AND NOTES AND SHEETS C5.0 & C51 FOR EROSION AND SEDIMENT CONTROL DETAILS. 2. EROSION MEASURES SHALL BE INSTALL AS THE FIRST STEP IN LAND DESIGNED BY: DISTURBANCE AND REMAIN IN PLACE UNTIL ALL UPSTREAM AREAS HAVE ECB BEEN PERMANENTLY STABILIZED OR ARE REPLACED BY OTHER MEASURES. DRAWN BY: 3. EROSION AND SEDIMENT CONTROL MINIMUM STANDARDS (MS -1 THROUGH DEMOLITION LEGEND: ADH MS -19) SHALL BE FOLLOWED AT ALL TIMES. CHECKED BY: SR 4. UTILIZE SURFACE ROUGHENING ON ALL GRADED SLOPES GREATER THAN -X-X-X-DEMOLISH OBJECT CES 5:1 BY CREATING HORIZONTAL DEPRESSIONS IN THE SOIL THROUGH THE - SCALE: USE OF EQUIPMENT WITH TRACKS OR OTHER SUITABLE METHOD. DEMOLITION HATCH 1" = 30' 5. ALL CONSTRUCTION TRAFFIC SHALL ENTER THE SITE USING THE DATE: APPROVED CONSTRUCTION ENTRANCE. AUGUST 14, 2017 6. ALL DEMOLITION ITEMS ARE TO BE REMOVED FROM SITE AND TO BE GRAPHIC SCALE PROJECT NUMBER: PROPERLY DISPOSED OF PER COUNTY, STATE AND FEDERAL REGULATIONS. 30 0 15 30 60 120 r.1 Al ni r.-ni U7. SEE SHEETS C4.1 TO C4.5 FOR DETAILS ON PROPOSED STORM CULVERIS. 8. SOIL STABILIZATION BLANKETS AND MATTING ARE TO BE USED ON ALLS SLOPES 3:1 OR GREATER. e9. DRIVE AISLE BASE COURSE SHALL BE INSTALLED AS ROADS BECOMES OPERATION TO ACT AS CONSTRUCTION ROAD STABILIZATION. (IN FEET) 1 inch= 30ft. rm-61NWAI MWIM NOTES: 1. REFER TO SHEETS COA & CO.2 FOR EROSION AND SEDIMENT CONTROL NARRATIVE AND NOTES AND SHEETS C5.0 & C5.1 FOR EROSION AND SEDIMENT CONTROL DETAILS. 2. EROSION MEASURES SHALL BE INSTALL AS THE FIRST STEP IN LAND DISTURBANCE AND REMAIN IN PLACE UNTIL ALL UPSTREAM AREAS HAVE BEEN PERMANENTLY STABILIZED OR ARE REPLACED BY OTHER MEASURES. 3. EROSION AND SEDIMENT CONTROL MINIMUM STANDARDS (MS -1 THROUGH MS -19) SHALL BE FOLLOWED AT ALL TIMES. R 4. UTILIZE SURFACE ROUGHENING ON ALL GRADED SLOPES GREATER THAN 5:1 BY CREATING HORIZONTAL DEPRESSIONS IN THE SOIL THROUGH THE USE OF EQUIPMENT WITH TRACKS OR OTHER SUITABLE METHOD. 5. ALL CONSTRUCTION TRAFFIC SHALL ENTER THE SITE USING THE APPROVED CONSTRUCTION ENTRANCE. 6. ALL DEMOLITION ITEMS ARE TO BE REMOVED FROM SITE AND TO BE PROPERLY DISPOSED OF PER COUNTY, STATE AND FEDERAL REGULATIONS. 7. SEE SHEETS C4.1 TO C4.5 FOR DETAILS ON PROPOSED STORM CULVERTS. B f M 8. SOIL STABILIZATION BLANKETS AND MATTING ARE TO BE USED ON ALLS SLOPES 3:1 OR GREATER. CRS 9. DRIVE AISLE BASE COURSE SHALL BE INSTALLED AS ROADS BECOMES OPERATION TO ACT AS CONSTRUCTION ROAD STABILIZATION. DEMOLITION LEGEND: -X-X-X-DEMOLISH OBJECT DEMOLITION HATCH GRAPHIC SCA 30 0 15 30 60 (IN FEET) 1 inch= 30 ft. E'Cl. CAl4i� BOLTON Lie. No. 051495 �.QNAL db 101 91 all, I 439 z J n C\1 z L ULL Z • s s 1 r N O ¢A N a N LO > � Q'N ai a 4 0, °> W ® as t > C >: c 4.0LL cc rs REVISIONS DESIGNED BY: ECB DRAWN BY: AJH CHECKED BY: CES SCALE: 1"=30' DATE: AUGUST 14, 2017 PROJECT NUMBER: 120 1C 1 6 101 C -O 1 Em V4 5 on 53 a U1 51 51 10+00, ..._5 LOW POINT STA: 10+33.28 CURVE TABLE LOW POINT ELEV: 526.50'- o LENGTH PVI STA: 10+40.25 a CHORD BEARING PV ELEV: 526.23' 0 410.81 K: 15.63 87.10 023°56'31" VC: 59.49' IP C2 261.72 CURVE TABLE CURVE RADIUS LENGTH TANGENT DELTA CHORD BEARING CHORD C1 410.81 171.66 87.10 023°56'31" N22°10'27"E 170.41 C2 261.72 179.96 93.70 039°23'48" N29°54'06"E 176.43 C3 223.05 278.31 160.55 071 °29'29" N13°51'15"E 260.61 LINE TABLE Line # Length Direction L1 103.69 N34° 08' 42.26"E GRAVEL ACCESS DRIVE TO CELL TOWER HIGH POiINT STA: 11+78.77' HIGH POINT STA: 14+14.95' LOW POINT STA: 16+08.75 LOW POINT STA: 17+17.97 -HIGH POINT ELEV: 528.94' HIGHi POINT ELEV: 522.41' LOW POINT ELEV: 515.29' LOW POINT ELEV: 518.55' - PVI STA: 11+86.98 PVI STA: 14+49.47 PVI STA: 16+03.74 P'Vi STA: 17+65.25 PVI ELEV: 529.68' PVI ELEV: 521.31' PVI ELEV: 513.40' PVI ELEV: 520.69' K: 19.54 K: 35,65 K: 16.34 K: 49.77 VC: 108.19' VC: 69.03' VC: 157.46' VC: 94.50' r - DESIGNED BY: 00 ECB -515 Y `tN to O C7 0. N n � LO CHECKED BY: `� + 00 cli CES 0 w !I +1 oN 1"=30' Q> - Ln -1-rn _. AUGUST 14, 2017 w PROJECT NUMBER: mm� 'If0 Ld ui m m +r- ui » m m W w N N -1.467 r - DESIGNED BY: ECB -515 DRAWN BY: o_ AJH i CHECKED BY: CES 0 SCALE: s J-510 1"=30' 19+00 DATE: -1-rn _. AUGUST 14, 2017 120 PROJECT NUMBER: mm� C1 6101 C-01 3: ui +r- ui 5 > Lu N N Lij LO rr < � EXISTING GRADE LO • LL .o 3: rn_ f Ili uj L,j w _ ¢ .,i Cc 5w - . / Ln „ r- .. .. 00 � Liz > d r`7 � -0 + FINAL GRADE m m '� N c r, Ln - co rn Ln Ww 6n 6j 0 U' W mm >> Lr CJ _5' m m w w / 10+00 10+50 11+00 11+50 12+00 12+50 MAID DRIVE PROFILE (1 OF 5) - Scale: H: 1 =.30'1 V: 5.00:1 13+00 13+50 14+00 14+50 15+00 15+50 16+00 16+50 NOTES: 1. SEE SHEETS C0.1 FOR GENERAL AND EROSION & SEDIMENT CONTROL NOTES & LEGENDS. 2., MAINTAIN POSITIVE DRAINAGE TOWARD DRAINAGE SWALES. 3. MAINTAIN 2% CROSS -SLOPE FOR ALL PROPOSED DRIVEWAYS. 4. SEE SHEET C5.2 FOR STANDARD ROAD CROSS-SECTION. 5. MAXIMUM FINAL GRADE OF ALL SLOPES SHALL BE LESS THAN 3:1, UNLESS OTHERWISE NOTED. SLOPES STEEPER THEN 3:1 MUST BE PERMANENTLY STABILIZED WITH LANDSCAPING VEGETATION HARDIER THAN GRASS; REFER TO LANDSCAPE PLANS FOR DETAILS OF THESE AREAS. 17+00 17+50 30 H OF E. qC_V,_eB_EeBOLTON Lie. No. 051495 ONAL 45 m 35 r, + 30 co LO w / / / W w 25 / 18+00S GRAPHIC SCALE 15 30 60 (IN FEET) 1 inch= 30 ft. m REVISIONS DESIGNED BY: ECB -515 DRAWN BY: AJH i CHECKED BY: CES SCALE: s J-510 1"=30' 19+00 DATE: AUGUST 14, 2017 120 PROJECT NUMBER: mm� C1 6101 C-01 3: ui ui 5 > Lu Lij rr < r • LL .o 3: f Ili uj .,i Cc 5w - . REVISIONS DESIGNED BY: ECB -515 DRAWN BY: AJH CHECKED BY: CES SCALE: J-510 1"=30' 19+00 DATE: AUGUST 14, 2017 120 PROJECT NUMBER: mm� C1 6101 C-01 2 4 4 O'��41() V S/4 P,% '14f &141Z A17- 0, Do, ;qp WAI.OP Op 0 04 38 A10pe C 1AIII AT IAJ S4 sa� 0tv REFER TO LANDSCAPE PACKAGE FOR PLANTING PLANS 12' ASPHALT DRIVEWAY iC7 4 c 7 32 -- - --------------------------------------------------------- -0l9- Ps MU TO ................ CURVE TABLE CURVE RADIUS LENGTH TANGENT DELTA CHORD BEARING CHORD C7 564.29 858.72 537.28 087.11'27" N26*16'52"E 778.23 -0.85% 32+50 33+00 33+50 34+00 34+50 NOTES: 1. SEE SHEETS CO.1 FOR GENERAL AND EROSION & SEDIMENT CONTROL NOTES & LEGENDS. 2. MAINTAIN POSITIVE DRAINAGE TOWARD DRAINAGE SWALES. 3. MAINTAIN 2% CROSS -SLOPE FOR ALL PROPOSED DRIVEWAYS. 4. SEE SHEET C5.2 FOR STANDARD ROAD CROSS-SECTION. 5. MAXIMUM FINAL GRADE OF ALL SLOPES SHALL BE LESS THAN 3:1, UNLESS OTHERWISE NOTED. SLOPES STEEPER THEN 3:1 MUST BE PERMANENTLY STABILIZED WITH LANDSCAPING VEGETATION HARDIER THAN GRASS; REFER TO LANDSCAPE PLANS FOR DETAILS OF THESE AREAS. x 530 545, STA: 36+25.23 PVI PVI STA: 30+84.41 K: 263.96 VC: 75.77' PVI ELEV: 531.28' K: 159.92 ON rn 0 r6 VC: 75.48' + r_� (0 -If) Ln N +6 M 54006 CO N Ln U3 W _j LL Q0 V-) -44- 0 � z > r-+ C\1 Ln rr + 6 r7 m C\4 +0 > > 6� wk) Z < - — — -- — — — — — — — — 35+00 35+50 Ln 36+50 0 5355 w > L.Li 30 0 6i 0 > Lij > u < U) Lij EXISTING GRADE 0. - ------------ `---------- -------- -0.38% m m _j > > w FINISHED GRADE 530- - 9 UIz 52 9 28+00 28+50 29+00 29+50 30+00 30+50 31+00 31+50 32+00 MAIN DRIVE PROFILE (3 OF 5) Scale: H: 1 3 0') V: 5.00. -0.85% 32+50 33+00 33+50 34+00 34+50 NOTES: 1. SEE SHEETS CO.1 FOR GENERAL AND EROSION & SEDIMENT CONTROL NOTES & LEGENDS. 2. MAINTAIN POSITIVE DRAINAGE TOWARD DRAINAGE SWALES. 3. MAINTAIN 2% CROSS -SLOPE FOR ALL PROPOSED DRIVEWAYS. 4. SEE SHEET C5.2 FOR STANDARD ROAD CROSS-SECTION. 5. MAXIMUM FINAL GRADE OF ALL SLOPES SHALL BE LESS THAN 3:1, UNLESS OTHERWISE NOTED. SLOPES STEEPER THEN 3:1 MUST BE PERMANENTLY STABILIZED WITH LANDSCAPING VEGETATION HARDIER THAN GRASS; REFER TO LANDSCAPE PLANS FOR DETAILS OF THESE AREAS. x 530 (IN FEET) 1 inch= 30ft. "20 TH oi7o,00, E. & �BELL BOLTON Lie. No. 051495 Is, 0NA L IN' z z 4) m 0 0 U u. Z 0 0 0 E E b,0 W Fn m Cm Q U) oriv- NM to > < M 6 > 4 E 6 00 > 0' m (6 0 >w x 1 -a > 2 LL 0 '2 "w AF JFv PVI STA: 36+25.23 PVI ELEV: 526.67' K: 263.96 VC: 75.77' r) 0 ON 00 0 r6 10 + r_� (0 -,;1- Ln N +6 M Ln CO N Ln U3 W _j LL n < 0 z > > rr m m > > ww Z < - — — -- — — — — — — — — 35+00 35+50 36+00 36+50 0 GRAPHIC SCALE 30 0 15 30 60 (IN FEET) 1 inch= 30ft. "20 TH oi7o,00, E. & �BELL BOLTON Lie. No. 051495 Is, 0NA L IN' z z 4) m 0 0 U u. Z 0 0 0 E E b,0 W Fn m Cm Q U) oriv- NM to > < M 6 > 4 E 6 00 > 0' m (6 0 >w x 1 -a > 2 LL 0 '2 "w AF JFv 40 30 —1-5525 37+00 120 DESIGNED BY: ECB DRAWN BY: AJH CHECKED BY: CES SCALE: 1"=30' DATE: AUGUST 14, 2017 PROJECT NUMBER: C1 6101 C-01 C4.3 z 0 r) ON C) 0 _j LL n < 0 z < rr 0- U. > Cz F> -- Z < UJ w z > 0 Orr < 0 W 0. w co r1r 0< 6 _j 40 30 —1-5525 37+00 120 DESIGNED BY: ECB DRAWN BY: AJH CHECKED BY: CES SCALE: 1"=30' DATE: AUGUST 14, 2017 PROJECT NUMBER: C1 6101 C-01 C4.3 a a n U 0 co U D rL V 0 U 0 co U U 0 io U 'o 4 U_ v ,,r L7T.L�r r1� � rcSSY PROFILE SECTION A -A _ iiii.[lililuili" atel talk of 1 ulch lildai;t he u1st"lued:# ath a lliulialittla 1 ill. -It €7allc{F+.1-_ >lida€;:9ft alr :=taI 1,I rle rs ,vaAl lio.;- ;vitt ,► {I6nlehel Of 15 fti.il ,dtl�tlti,�{ llv;;-4cl itiu>€ he c aiiit�d mvil1v isout tilt eLatlallce to all elitellli", t{:}illi i€S:tliar, slit+he, +;l 1T:ttCl Ptii', ; PAVED WASH RACK THE CONSTRUCTION ENTRANCE SHALL BE PAVED WITH A WATER SUPPLY AND MEET COUNTY DETAIL. IF PERMANENT WATER SUPPLY IS UNAVAILABLE, THE CONTRACT SHALL USE A SECONDARY SOURCE SUCH A WATER TANK. CONTRACTOR SHALL MAINTAIN ACCESS TO WATER SOURCE THROUGHOUT CONSTRUCTION. CONSTRUCTION ENTRANCE NOT TO SCALE FLOW CULVERT TOE OF FILL * O ic, SILT FENCE DISTANCE IS 6' MINIMUM IF FLOW 1S TOWARD EMBANKMENT FLOW OPTIONAL STONE COMBINATION 1.5:1 FLOW 2.5 VDOT #3, #357, #5, #56 OR #571 COARSE AGGREGATE TO REPLACE CLASS I RIPRAP SILT FENCE IN "HORSESHOE" WHEN HIGH VELOCITY OF FLOW IS EXPECTED CULVERT INLET PROTECTION 3.48 NOT TO SCALE FILTER CLOTH (OPTIONAL) VDOT #1 COARSE AGGREGATE FLOW (DOWNSTREAM VIEW) 3.20 ROCK CHECK DAM DETAIL NOT TO SCALE 6" 3' ILLI 1. SET THE STAKES. 6'MAX. FLOWw � 3. STAPLE FILTER MATERIAL TO STAKES AND EXTEND IT INTO THE TRENCH. 2. EXCAVATE A 4"x4" TRENCH UPSLOPE ALONG THE LINE OF STAKES. �4 4. BACKFILL AND COMPACT THE EXCAVATED SOIL. NOTES, WOODEN STAKES TO BE A MINIMUM OF 5' LONG AND HAVE A MINIMUM DIAMETER OF 2" WHEN OAK AND 4" WHEN PINE. • SILT FENCE FABRIC SHALL MEET ALL REQUIREMENTS OF TABLE 3.05-13 OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. • SILT FENCE SHALL BE A MINIMUM OF 24" ABOVE THE GROUND AND SHALL NOT EXCEED 34" ABOVE GROUND. SILT FENCE SHALL TREAT NO MORE THAN 1/4 ACRE PER 100 LINEAR FEET OF FENCE SILT FENCE INSTALLATION DETAIL NOT TO SCALE 18" MIN. COMPACTED SOIL FLOW --- 4.5' M I N. --� NOTE: IMMEDIATELY APPLY SEEDING ONCE CONSTRUCTED TEMPORARY DIVERSION DIKE NOT TO SCALE a••� r n l i r DROP INLET WITH GRATE c FRAME GATHER EXCESS AT CORNERS PERSPECTIVE VIEWS --TAIL A ELEVATION OF STAKE AND FABRIC ORIENTATION SPECIFIC APPLICATION �i �1A. DETAIL A THIS METHOD OF INLET PROTECTION IS APPLICABLE WHERE THE INLET DRAINS A RELATIVELY FLAT AREA (SLOPE NO GREATER THAN 5%) WHERE THE INLET SHEET OR OVERLAND FLOWS (NOT EXCEEDING 1 C.F.S.) ARE TYPICAL. THE METHOD SHALL NOT APPLY TO INLETS RECEIVING CONCENTRATED FLOWS, SUCH AS IN STREET OR HIGHWAY MEDIANS. SILT FENCE DROP INLET PROTECTION DETAIL 3.07 NOT TO SCALE SE NOTE: REFER TO DETAIL BELOW (3.13A) TO 34 CY/AC) FOR ADDITIONAL INFORMATION MINIMUM STORAGE VOLUME AND SEDIMENT STORAGE 3,13.0 NOT TO SCALE G"7 -\/I A n nn\/ r rnn A ni- EX. GRADE SEE CHARTS FOR REQUIRED STORAGE CAPACITIES W ELEV. D �r//` / CD ELEV. A DRY VOLUME 67 CY PER AC. DRY VOLUME (YY C.Y.) N c �t �?- COARSE AGGREGATE** ELEV. B WET VOLUME 67 CY PER AC. ELEV. B ORIGINAL GROUND WET VOLUME ,� (XX C.Y.) CLASS I RIPRAP ELEV. C NOTE: CLEANOUT AT ELEV. E CROSS SECTION OF OUTLET CLASS I RIPRAP FILTER CLOTH COARSE AGGREGATE** W= LENGTH (IN FEET) 6 x DRAINAGE AREA IN ACRES DIVERSION DIKE (BERM) /!//,//, EXCAVATED AREA ** COARSE AGGREGATE SHALL BE VDOT #3, #357 OR #5. SOURCE. VA. DSWC, PLATE 3,1.3-2 OUTLET�PERSPECTIVE VIEW TEMPORARY SEDIMENT TRAP 3.13E NOT TO SCALE Required Size of Sediment Trap 1 Max. Drainage area: 2.54 Acres Wet Vol. Req'd: 170 C.Y. Dry Vol. Req'd: 170 C.Y. Total Vol. Req'd: 340 C.Y. 3632 14526 538 Top Dry EI. 517.0 3188 11116 412 512.0 516.0 2770 8124 301 Top Wet El. 515.0 2377 5551 206 510.0 514.01 2009 3345 124 509.0 513.0 1666 15081 56 508.01 512,0 1349 0 0 Bottom ANNUAL RYE NOVEMBER THROUGH FEBRUARY 15TH WINTER RYE ** SUBSTITUTE SERICEA LESPEDEZA FOR CROWN VETCH EAST OF FARMVILLE, VA. (MAY THROUGH SEPTEMBER USE HULLED SERICEA, ALL OTHER PERIODS USE UNHULLED SERICEA,) IF FLATPEA IS USED IN LIEU OF CROWN L LBS./ACRE. A ALL LEGUME SEED MUST BE PROPERLY INOCULATED. WEEPING LOVEGRASS ` MAY BE ADDED TO ANY SLOPE OR LOW -MAINTENANCE MIX DURING WARMER SEEDING PERIODS; ADD 10-20 LBS./ACRE IN MIXES. 170 CY Min 124 CY Min 143 CY Min 112 CY Min PLAN SECTION A -A _ iiii.[lililuili" atel talk of 1 ulch lildai;t he u1st"lued:# ath a lliulialittla 1 ill. -It €7allc{F+.1-_ >lida€;:9ft alr :=taI 1,I rle rs ,vaAl lio.;- ;vitt ,► {I6nlehel Of 15 fti.il ,dtl�tlti,�{ llv;;-4cl itiu>€ he c aiiit�d mvil1v isout tilt eLatlallce to all elitellli", t{:}illi i€S:tliar, slit+he, +;l 1T:ttCl Ptii', ; PAVED WASH RACK THE CONSTRUCTION ENTRANCE SHALL BE PAVED WITH A WATER SUPPLY AND MEET COUNTY DETAIL. IF PERMANENT WATER SUPPLY IS UNAVAILABLE, THE CONTRACT SHALL USE A SECONDARY SOURCE SUCH A WATER TANK. CONTRACTOR SHALL MAINTAIN ACCESS TO WATER SOURCE THROUGHOUT CONSTRUCTION. CONSTRUCTION ENTRANCE NOT TO SCALE FLOW CULVERT TOE OF FILL * O ic, SILT FENCE DISTANCE IS 6' MINIMUM IF FLOW 1S TOWARD EMBANKMENT FLOW OPTIONAL STONE COMBINATION 1.5:1 FLOW 2.5 VDOT #3, #357, #5, #56 OR #571 COARSE AGGREGATE TO REPLACE CLASS I RIPRAP SILT FENCE IN "HORSESHOE" WHEN HIGH VELOCITY OF FLOW IS EXPECTED CULVERT INLET PROTECTION 3.48 NOT TO SCALE FILTER CLOTH (OPTIONAL) VDOT #1 COARSE AGGREGATE FLOW (DOWNSTREAM VIEW) 3.20 ROCK CHECK DAM DETAIL NOT TO SCALE 6" 3' ILLI 1. SET THE STAKES. 6'MAX. FLOWw � 3. STAPLE FILTER MATERIAL TO STAKES AND EXTEND IT INTO THE TRENCH. 2. EXCAVATE A 4"x4" TRENCH UPSLOPE ALONG THE LINE OF STAKES. �4 4. BACKFILL AND COMPACT THE EXCAVATED SOIL. NOTES, WOODEN STAKES TO BE A MINIMUM OF 5' LONG AND HAVE A MINIMUM DIAMETER OF 2" WHEN OAK AND 4" WHEN PINE. • SILT FENCE FABRIC SHALL MEET ALL REQUIREMENTS OF TABLE 3.05-13 OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. • SILT FENCE SHALL BE A MINIMUM OF 24" ABOVE THE GROUND AND SHALL NOT EXCEED 34" ABOVE GROUND. SILT FENCE SHALL TREAT NO MORE THAN 1/4 ACRE PER 100 LINEAR FEET OF FENCE SILT FENCE INSTALLATION DETAIL NOT TO SCALE 18" MIN. COMPACTED SOIL FLOW --- 4.5' M I N. --� NOTE: IMMEDIATELY APPLY SEEDING ONCE CONSTRUCTED TEMPORARY DIVERSION DIKE NOT TO SCALE a••� r n l i r DROP INLET WITH GRATE c FRAME GATHER EXCESS AT CORNERS PERSPECTIVE VIEWS --TAIL A ELEVATION OF STAKE AND FABRIC ORIENTATION SPECIFIC APPLICATION �i �1A. DETAIL A THIS METHOD OF INLET PROTECTION IS APPLICABLE WHERE THE INLET DRAINS A RELATIVELY FLAT AREA (SLOPE NO GREATER THAN 5%) WHERE THE INLET SHEET OR OVERLAND FLOWS (NOT EXCEEDING 1 C.F.S.) ARE TYPICAL. THE METHOD SHALL NOT APPLY TO INLETS RECEIVING CONCENTRATED FLOWS, SUCH AS IN STREET OR HIGHWAY MEDIANS. SILT FENCE DROP INLET PROTECTION DETAIL 3.07 NOT TO SCALE SE NOTE: REFER TO DETAIL BELOW (3.13A) TO 34 CY/AC) FOR ADDITIONAL INFORMATION MINIMUM STORAGE VOLUME AND SEDIMENT STORAGE 3,13.0 NOT TO SCALE G"7 -\/I A n nn\/ r rnn A ni- EX. GRADE SEE CHARTS FOR REQUIRED STORAGE CAPACITIES W ELEV. D �r//` / CD ELEV. A DRY VOLUME 67 CY PER AC. DRY VOLUME (YY C.Y.) N c �t �?- COARSE AGGREGATE** ELEV. B WET VOLUME 67 CY PER AC. ELEV. B ORIGINAL GROUND WET VOLUME ,� (XX C.Y.) CLASS I RIPRAP ELEV. C NOTE: CLEANOUT AT ELEV. E CROSS SECTION OF OUTLET CLASS I RIPRAP FILTER CLOTH COARSE AGGREGATE** W= LENGTH (IN FEET) 6 x DRAINAGE AREA IN ACRES DIVERSION DIKE (BERM) /!//,//, EXCAVATED AREA ** COARSE AGGREGATE SHALL BE VDOT #3, #357 OR #5. SOURCE. VA. DSWC, PLATE 3,1.3-2 OUTLET�PERSPECTIVE VIEW TEMPORARY SEDIMENT TRAP 3.13E NOT TO SCALE Required Size of Sediment Trap 1 Max. Drainage area: 2.54 Acres Wet Vol. Req'd: 170 C.Y. Dry Vol. Req'd: 170 C.Y. Total Vol. Req'd: 340 C.Y. Actual Volume of Sediment Trap 1 elevation area (S.F.) Vol. (C.F.) Vol. (C.Y.) Note 519,0 4100 18392 681 Top Berm 518.0 3632 14526 538 Top Dry EI. 517.0 3188 11116 412 512.0 516.0 2770 8124 301 Top Wet El. 515.0 2377 5551 206 510.0 514.01 2009 3345 124 509.0 513.0 1666 15081 56 508.01 512,0 1349 0 0 Bottom Required Size of Sediment Trap 2 Max. Drainage area: 1.85 Acres Wet Vol, Req'd: 124 C.Y. Dry Vol. Req'd: 124 C.Y. Total Vol. Req'd: 248 C,Y. Actual Volume of Sediment Trap 2 elevation area (S.F.) Vol. (C.F.) Vol. (C.Y.) Note 519.0 3503 15192 563 Top Berm 518.0 3074 11903 441 Top Dry El. 517.0 2671 9031 334 512.0 516.0 2293 6536 242 Top Wet El. 515.0 1940 4420 164 510.0 514.0 1612 2631 97 509.0 513.0 1309 1171 43 508.01 512.0 1032 0 0 Bottom Required Size of Sediment Trap 3 Max, Drainage area: 2.14 Acres Wet Vol. Req'd: 143 C.Y. Dry Vol. Req'd: 143 C.Y. Total Vol. Req'd: 287 C,Y. Actual Volume of Sediment Trap 3 elevation area (S.F.) Vol. (C.F.) IVol. (C.Y,) Nate 515.0 3731 16403 608 Top Berm 514.0 3288 12894 478 Top Dry EI. 513,0 2868 9816 364 Top Wet EI. 512.0 2474 7132 264 Top Wet El. 511,0 2105 4843 179 1136 510.0 1761 2897 107 0 0 509.0 1442 1296 48 * USE SEASONAL NURSE CROP IN ACCORDANCE WITH 508.01 11491 0 0 Bottom Required Size of Sediment Trap 4 Max. Drainage area: 1.67 Acres Wet Vol. Req'd: 112 C.Y. Dry Vol. Req'd: 112 C.Y. Total Vol. Req'd: 224 C.Y. Actual Volume of Sediment Trap 4 elevation area (S.F.) Vol, (C.F.) Vol. (C.Y.) Note 527.0 3210 13640 505 Top Berm 526.0 2810 10630 394 Top Dry El. 525.0 2418 8016 297 -KENTUCKY 31 OR TURF -TYPE TALL FESCUE 524.0 2060 5764 213 Top Wet EI. 523.0 1727 3871 143 -SEASONAL NURSE CROP 522.0 1419 2285 85 LOW -MAINTENANCE SLOPE (STEEPER THAN 3:11 521.0 1136 1008 37 -RED TOP GRASS 520,0 8791 0 0 Bottom PERMANENT SEEDING Ps TRAP TABLE 3.32-D SITE SPECIFIC SEEDING MIXTURES FOR PIEDMONT AREA MINIMUM CARE LAWN TOTAL LBS. PER ACRE -COMMERCIAL OR RESIDENTIAL 180 LBS. -KENTUCKY 31 OR TURF -TYPE TALL FESCUE 95-100 LBS. -IMPROVED PERENNIAL RYEGRASS 0-5% -KENTUCKY BLUEGRASS 0-5% HIGH -MAINTENANCE LAWN 200-250 LBS. -KENTUCKY 31 OR TURF -TYPE TALL FESCUE 100% GENERAL SLOPE (3:1 OR LESS) 512.0' -KENTUCKY 31 FESCUE 128 LBS. -RED TOP GRASS 2 LBS. -SEASONAL NURSE CROP *20 LBS. 508.0' 150 LBS. LOW -MAINTENANCE SLOPE (STEEPER THAN 3:11 499.0' -KENTUCKY 31 FESCUE 108 LBS. -RED TOP GRASS 2 LBS. -SEASONAL NURSE CROP *20 LBS. -CROWN VETCH **20 LBS. 514.0' 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 MILLET AUGUST 16TH THROUGH OCTOBER ANNUAL RYE NOVEMBER THROUGH FEBRUARY 15TH WINTER RYE ** SUBSTITUTE SERICEA LESPEDEZA FOR CROWN VETCH EAST OF FARMVILLE, VA. (MAY THROUGH SEPTEMBER USE HULLED SERICEA, ALL OTHER PERIODS USE UNHULLED SERICEA,) IF FLATPEA IS USED IN LIEU OF CROWN VETCH, INCREASE RATE TO 30 LBS./ACRE. A ALL LEGUME SEED MUST BE PROPERLY INOCULATED. WEEPING LOVEGRASS ` MAY BE ADDED TO ANY SLOPE OR LOW -MAINTENANCE MIX DURING WARMER SEEDING PERIODS; ADD 10-20 LBS./ACRE IN MIXES. 170 CY Min PERMANENT SEEDING (PIEDMONT VIRGINIA) 3.32 NOT TO SCALE TE PO"RY SEEDING TS TABLE 3.31--B ACCEPTABLE TEMPORARY SEEDING PLANT MATERIALS "QUICK REFERENCE FOR ALL REGIONS" PLANTING DATES SPECIES RATE (LBS./ACRE) SEPT. 1 -FEB. 28 50/50 MIX OF ANNUAL RYEGRASS 75 (LOLIUM MULTI-FLORUM) & CEREAL (WINTER) RYE (,SECALE CEREALE) MAR. 1 -APR. 30 ANNUAL RYEGRASS (LOLIUM MULTI-FLOR75 MAY 1 -AUG, 31 GERMAN MILLET SETARIA ITALICA 75 TEMPORARY SEEDING NOT TO SCALE SEDIMENT TRAP 1.37 1 2 3 4 5 6 ELEV. A 518.0' 518.0' 514.0' 526.0' 509.0' 505.0' ELEV. B 516.0' 516.0' 512.0' 524.0' 507.5' 503,0' ELEV. C 512.0' 512.0' 508.0' 520.0' 504.5' 499.0' ELEV. D 519.0' 519,0' 515.0' 527.0' 510.0' 506.0' ELEV. E 514.0' 514.0' 510.01 522.0' 506.0' 501.0' (L} 16' 12' 13' 10' 9' 18' W 3' 3' 3' 3' 3' 45 XX 170 CY Min 124 CY Min 143 CY Min 112 CY Min 92 CY Min 195 CY Min YY 170CYMin 124CYMin 143CYMin 112CYMin 92CYMin 195CYMi7n, Required Size of Sediment Trap 5 Max.. Drainage area: 1.37 Acres Wet Vol, Req'd: 92 C.Y. Dry Wol. Req`d: 92 C.Y. Totail Vol. Req'd: 184 C.Y. Actual Volume of Sediment Trap 5 elevation area (S.F.) Vol. (C.F.) Vol, (C.Y.) Note 510.0 2736 9838 364 Top Berm 509.0 2356 7292 270 Top Dry EI. 508.0 2002 5113 189 507,5 1834 4144 153 Top Wet El. 507.0 1673 3276 121 506.0 1369 1742 65 505.0 1090 513 19 504.51 960 0 0 Bottom (Required Size of Sediment Trap 6 Max.. Drainage area: 2.91 Acres Wet'Vol. Req'd: 195 C.Y. Dry Vol. Req'd: 195 C.Y. Totals Vol. Req'd: 390 C.Y. Actual Volume of Sediment Trap 6 elevation area (S.F.) Vol. (C.F.) Vol. (C.Y.) Note 506.0 4484 20491 759 Top Berm 505.0 3991 16253 602 Top Dry El, 504.0 3524 124961 463 503.0 3082 9180 340 Top Wet El. 502.0 2665 6307 234 501.0 2273 3825 142 500.0 1906 1736 64 499.01 15651 01 01 Bottom 04 E. CAM BELL BOLTON Lie, No. 051495 '11 LOIVAZ � Z Z _ 0 UL Z is o E u E sv a MC N� �X ct�< i� iio IT��JI.�II►]��, DESIGNED BY: ECB DRAWN BY: AJH CHECKED BY: CES SCALE: NO SCALE rATE: AUGUST 14, 2017 PROJECT NUMBER: C10101 C-01 1� • t a t IT��JI.�II►]��, DESIGNED BY: ECB DRAWN BY: AJH CHECKED BY: CES SCALE: NO SCALE rATE: AUGUST 14, 2017 PROJECT NUMBER: C10101 C-01 8 POSTS (TYPICAL) PLASTIC TIES (BLACK, 6" LONG") ` /\ FIBERGLASS "T" \! POST 0R STEEL \� \ POST / 1 1/4" �/ 12"-0" �12 -0 00000030000000-1 00000OU000000 0000000000000 0000000000000 OOOOOO0000000 4'-0" PLASTIC 00000m0000000 Oo000CD000000 PROTECTIVE FENCE FIBERGLASS 00000CD000 00 "T" POST 6'-6" 0000000000 00 000000U0000 O 00000000000 O PROTECTIVE PLASTIC FENCING COLOR: INTERNATIONAL ORANGE ROLL SIZE: 4' X 164' MESH OPENING: 1 3/4" x 2 3/4" WEIGHT: 32 LBS./ROLL 3.33 TREE PROTECTION DETAIL -PLASTIC FENCING NOT TO SCALE GRADED VDOT CLASS Al RIP RAP; d50 STONE SIZE:0.9'; MAX STONE SIZE:14" MIN THICKNESS:2x MAX STONE DIAMETER 10.0' MIN. - 1 1.0, IN.1-1.0' ��... �+'- . •--tom ,- � ti�;�� _ �_ ^ Irl �'♦� . ! . .. L s ♦lam ��,..�rt�1�!<I/J��it! YID r ,. CHANNEL SPECIFICATIONS MATERIAL CHANNEL LINING: SHALL BE VDOT CLASS Al RIPRAP AS SPECIFIED IN SECTION 414 OF THE VDOT ROAD AND BRIDGE SPECIFICATIONS. MAXIMUM STONE SIZE OF 14". FILTER FABRIC: GEOTEXTILE SHALL COMPLY WITH THE REQUIREMENTS OF AASHTO M288 FOR SEPARATION GEOTEXTILE PROPERTIES, TABLE 3, FOR APPARENT OPENING SIZE AND ULTRAVIOLET STABILITY AND GEOTEXTILE STRENGTH PROPERTY REQUIREMENTS, TABLE 1, CLASS 2, FOR GRAB STRENGTH AND PUNCTURE STRENGTH. SHALL CONFORM TO THE REQUIREMENTS OF SECTION 245 OF THE VDOT ROAD AND BRIDGE SPECIFICATIONS. GROUT: SHALL CONSIST OF 1 PART HYDRAULIC CEMENT AND 3 PARTS SAND, THOROUGHLY' MIXED WITH WATER TO PRODUCE GROUT HAVING A THICK, CREAMY CONSISTENCY. SHALL CONFORM TO THE REQUIREMENTS OF SECTION 218 OF THE VDOT ROAD AND BRIDGE SPECIFICATIONS. PROCEDURE EXCAVATION FOR THE DITCH SHALL BE SUFFICIENT TO PLACE THE RIPRAP LINING TO THE LINE, GRADE AND THICKNESS SHOWN. THE CONTRACTOR SHALL OVER -EXCAVATE THE DITCH TO ENSURE THAT THE FINISHED DITCH DIMENSIONS CONFORM TO THE REQUIRED CHANNEL CROSS SECTION, THE FOUNDATION SURFACE SHALL BE SMOOTH AND FREE OF DEPRESSIONS, DEBRIS AND SOFT (OR LOW DENSITY POCKETS OF MATERIAL. THE FILTER FABRIC LINING SHALL NOT BE PLACED UNTIL FOUNDATION PREPARATION IS COMPLETED. FILTER FABRIC SHALL BE PLACED WITH THE LONG DIMENSION PARALLEL TO THE CHANNEL. IT SHALL BE LAID SMOOTH AND FREE OF TENSION, STRESS, FOLDS, WRINKLES OR CREASES. WHERE LAPS OCCUR, THE UP-SLOPE PIECE SHALL LAY OVERTOP THE DOWN-SLOPE PIECE. MINIMUM OVERLAP SHALL BE 18 INCHES. RIPRAP SHALL BE PLACED ON THE SURFACES AND TO THE DEPTHS SPECIFIED. THE LINING SHALL BE CONSTRUCTED TO THE FULL COURSE THICKNESS IN ONE OPERATION AND IN SUCH A MANNER AS TO AVOID DISPLACEMENT OR DAMAGE TO THE UNDERLYING FILTER FABRIC. THE ROCK SHALL BE DELIVERED AND PLACED IN A MANNER THAT WILL INSURE THE LINING SHALL BE HOMOGENEOUS, WITH THE LARGER ROCKS UNIFORMLY DISTRIBUTED AND FIRMLY IIN CONTACT WITH EACH OTHER, WITH THE SMALLER ROCKS AND SPALLS FILLING THE VOIDS BETWEEN THE LARGER ROCKS, CARE SHALL BE TAKEN DURING PLACING TO KEEP EARTH OR SAND FROM FILLING SPACES BETWEEN STONES. AFTER STONES ARE IN PLACE, SPACES BETWEEN THEM SHALL BE FILLED WITH GROUT FROM BOTTOM TO TOP. ALL ROCK VOIDS MUST BE FILLED UP TO SIX -INCHES BELOW THE SURFACE. GROUT SHALL BE PLACED USING A PUMP AND HOSE, WITH A NOZZLE THAT CAN BE FORCED DOWN INTO THE ROCK VOIDS. THE GROUT SURFACE SHALL BE SWEPT WITH A STIFF BROOM. RIPRAP SHALL NOT BE GROUTED IN FREEZING WEATHER. IN HOT, DRY WEATHER, THE WORK SHALL BE PROTECTED FROM SUNLIGHT AND KEPT MOIST FOR AT LEAST 3 DAYS AFTER GROUTING BY THE USE OF SATURATED BURLAP. NOTES: 1. RIPRAP STORMWATER CONVEYANCE CHANNEL DETAIL TO BE USED WITH RIRAP CHANNEL NEAR THE SITE ENTRANCE. 2. FLEXAMAT EROSION CONTROL MAT OR APPROVED EQUAL INSTALLED PER MANUFACTURER SPECIFICATIONS MAY BE USED IN LIEU OF GROUTED RIPRAP. RIPRAP STORMWATER CONVEYANCE CHANNEL 3.17A NOT TO SCALE #57 STONE. A B C MULCHES: TABLE 3.35-A Per .Acre Per 1000 sq. ft. ORGANIC MULCH MATERIALS AND APPLICATION RATES 1 x - 2 tans 70 - 90 lbs. Free from weeds and coarse 3:1 (Minimum 2 2 matter, Must be anchored. 12 RATES: EC -2 Matti ngwTail Fescue Spread with mulch blower 1.0 winter saver) 4:1 or by hand. Fiber Mulch Minimum 35 lbs. Do not use as mulch far EC -2 Matti ngwTail Fescue 1500 lbs. 0.5 winter saver or during hat, 4:1 EC -2 Matting wTall Fescue 6 dry periods.* Apply as 4 4:1 EC -2 Matting wTall Fescue slurry. Corn Stalks 4 - 6 tans 185 - 275 lbs. Cut or shredded in 4-b" S 1.0 8 lengths. Air-dried. Do not EC -2 Matti ng w Ta I I Fescue 9 1.0 use In fine turf areas. Apply 4:1 EC -2 Matti ngwTail Fescue 10 with mulch blower or by 4 4:1 EC -2 Matti ngwTail Fescue band. Woad Chips � _ � tons ? 85 - 275 lbs. Free of coarse matter. Air- � a dried, Treat with 12 lbs nitrogen per tan. Da not use in fine turf areas. Apply with mulch blower, chip handler, or by hand. Earle Chips 0 - 70 cu. 1-2 cu. yds. Free of coarse matter. Air - Air - or yds. dried. Do not use in fine turf areas. Apply with Earle �t mulch blower, chip handler, or by hand. * When fiber mulch is the only available mulch during periods when straw should be used, apply at a minimum rate of 2000 lbs. Jac. or 45 lbs. J1000 sq. ft.VDIOT Source: Va. DSWC MULCHING 35 NOT TO SCALE #57 STONE. A B C MULCHES: NOTES: Per .Acre Per 1000 sq. ft. Straw or Hay 1 x - 2 tans 70 - 90 lbs. Free from weeds and coarse 3:1 (Minimum 2 2 matter, Must be anchored. 12 tans far EC -2 Matti ngwTail Fescue Spread with mulch blower 1.0 winter saver) 4:1 or by hand. Fiber Mulch Minimum 35 lbs. Do not use as mulch far EC -2 Matti ngwTail Fescue 1500 lbs. 0.5 winter saver or during hat, 4:1 EC -2 Matting wTall Fescue 6 dry periods.* Apply as 4 4:1 EC -2 Matting wTall Fescue slurry. Corn Stalks 4 - 6 tans 185 - 275 lbs. Cut or shredded in 4-b" S 1.0 8 lengths. Air-dried. Do not EC -2 Matti ng w Ta I I Fescue 9 1.0 use In fine turf areas. Apply 4:1 EC -2 Matti ngwTail Fescue 10 with mulch blower or by 4 4:1 EC -2 Matti ngwTail Fescue band. Woad Chips � _ � tons ? 85 - 275 lbs. Free of coarse matter. Air- � a dried, Treat with 12 lbs nitrogen per tan. Da not use in fine turf areas. Apply with mulch blower, chip handler, or by hand. Earle Chips 0 - 70 cu. 1-2 cu. yds. Free of coarse matter. Air - Air - or yds. dried. Do not use in fine turf areas. Apply with Earle �t mulch blower, chip handler, or by hand. * When fiber mulch is the only available mulch during periods when straw should be used, apply at a minimum rate of 2000 lbs. Jac. or 45 lbs. J1000 sq. ft.VDIOT KEY IN MATITING TO TOPSOILING FIELD EXPLORATION OF THE SITE SHALL BE MADE TO DETERMINE IF THERE IS SUFFICIENT SURFACE SOIL OF GOOD QUALITY TO JUSTIFY STRIPPING. TOPSOIL SHALL BE FRIABLE AND LOAMY (LOAM, SANDY LOAM, SILT LOAM, SANDY CLAY LOAM, CLAY LOAM). IT SHALL BE FREE OF DEBRIS, TRASH, STUMPS, ROCKS, ROOTS, AND NOXIOUS WEEDS, AND SHALL GIVE EVIDENCE OF BEING ABLE TO SUPPORT HEALTHY VEGETATION. IT SHALL CONTAIN NO SUBSTANCE THAT IS POTENTIALLY TOXIC TO PLANT GROWTH, ALL TOPSOIL SHALL BE TESTED BY A RECOGNIZED LABORATORY FOR THE FOLLOWING CRITERIA: • ORGANIC MATTER CONTENT SHALL BE NOT LESS THAN 1.5% BY WEIGHT. • PH RANGE SHALL BE FROM 6.0-7.5. IF PH IS LESS THAN 6.0, LIME SHALL BE ADDED IN ACCORDANCE WITH SOIL TEST RESULTS OR IN ACCORDANCE WITH THE RECOMMENDATIONS OF THE VEGETATIVE ESTABLISHMENT PRACTICE BEING USED. • SOLUBLE SALTS SHALL NOT EXCEED 500 PPM. IF ADDITIONAL OFF-SITE TOPSOIL IS NEEDED, IT MUST MEET THE STANDARDS STATED ABOVE. STRIPPING: TOPSOIL OPERATIONS SHOULD NOT BE PERFORMED WHEN THE SOIL IS WET OR FROZEN. STRIPPING SHALL BE CONFINED TO THE IMMEDIATE CONSTRUCTION AREA. A 4 -TO 6 -INCH STRIPPING DEPTH IS COMMON, BUT DEPTH MAY VARY DEPENDING ON THE PARTICULAR SOIL. ALL PERIMETER DIKES, BASINS, AND OTHER SEDIMENT CONTROLS SHALL BE IN PLACE PRIOR TO STRIPPING. STOCKPILING: TOPSOIL SHALL BE STOCKPILED IN SUCH A MANNER THAT NATURAL DRAINAGE IS NOT OBSTRUCTED AND NO OFF-SITE SEDIMENT DAMAGE SHALL RESULT. STABILIZE OR PROTECT STOCKPILES IN ACCORDANCE WITH MS #2. SIDE SLOPES OF THE STOCKPILE SHALL NOT EXCEED 2:1. PERIMETER CONTROLS MUST BE PLACED AROUND THE STOCKPILE IMMEDIATELY; SEEDING OF STOCKPILES SHALL BE COMPLETED WITHIN 7 DAYS OF THE FORMATION OF THE STOCKPILE, IN ACCORDANCE WITH STD. & SPEC. 3.31, TEMPORARY SEEDING IF IT IS TO REMAIN DORMANT FOR LONGER THAN 30 DAYS (REFER TO MS #1 AND MS #2). LIMING: WHERE THE PH OF THE SUBSOIL IS 6.0 OR LESS, OR THE SOIL IS COMPOSED OF HEAVY CLAYS, AGRICULTURAL LIMESTONE SHALL BE SPREAD IN ACCORDANCE WITH THE SOIL TEST OR THE VEGETATIVE ESTABLISHMENT PRACTICE BEING USED. BONDING: AFTER THE AREAS TO BE TOPSOILED HAVE BEEN BROUGHT TO GRADE, AND IMMEDIATELY PRIOR TO DUMPING AND SPREADING THE TOPSOIL, THE SUBGRADE SHALL BE LOOSENED BY DISCING OR SCARIFYING TO A DEPTH OF AT LEAST 2 INCHES TO ENSURE BONDING OF THE TOPSOIL AND SUBSOIL. APPLYING TOPSOIL: TOPSOIL SHALL NOT BE PLACED WHILE IN A FROZEN OR MUDDY CONDITION, WHEN TOPSOIL OR SUBGRADE IS EXCESSIVELY WET, OR IN A CONDITION THAT MAY OTHERWISE BE DETRIMENTAL TO PROPER GRADING OR PROPOSED SODDING OR SEEDING. THE TOPSOIL SHALL BE UNIFORMLY DISTRIBUTED TO A MINIMUM COMPACTED DEPTH OF 2 INCHES ON 3:1 OR STEEPER SLOPES AND 4 INCHES ON FLATTER SLOPES. ANY IRREGULARITIES IN THE SURFACE, RESULTING FROM TOPSOILING OR OTHER OPERATIONS, SHALL BE CORRECTED IN ORDER TO PREVENT THE FORMATION OF DEPRESSIONS OR WATER POCKETS. IT IS NECESSARY TO COMPACT THE TOPSOIL ENOUGH TO ENSURE GOOD CONTACT WITH THE UNDERLYING SOIL AND TO OBTAIN A LEVEL SEEDBED FOR THE ESTABLISHMENT OF HIGH MAINTENANCE TURF. HOWEVER, UNDUE COMPACTION IS TO BE AVOIDED AS IT INCREASES RUNOFF VELOCITY AND VOLUME, AND DETERS SEED GERMINATION. SPECIAL CONSIDERATION SHOULD BE GIVEN TO THE TYPES OF EQUIPMENT USED TO PLACE TOPSOIL IN AREAS TO RECEIVE FINE TURF. AVOID UNNECESSARY COMPACTION BY HEAVY MACHINERY WHENEVER POSSIBLE. TOPSOILING 3.30 NOT TO SCALE 11 SEE CHART FOR SIDE SLOPES & DEPTHS SOIL STABILIZATION MATTING ALONG CHANNEL SIDES (PERMANENT CHANNELS ONLY) MAINTENANCE NOTES: 1. ADD REINFORCEMENT PLANTING TO MAINTAIN 90% TURF COVER. RESEED ANY KILLED VEGETATION, 2. EXAMINE CHANNEL BOTTOM FOR EVIDENCE OF EROSION, BRAIDING, EXCESSIIVE PONDING, OR DEAD GRASS. 3. INSPECIT SIDE SLOPES FOR EVIDENCE OF ANY RILL OR GULLY EROSION AND REPAIR. 4. LOOK FOR ANY BARE SOIL OR SEDIMENT SOURCES IN THE CONTRIBUTING DRAINAGE AREA AND STABILIZE IMMEDIATELY. 3178 STORMWATER CONVEYANCE CHANNEL (1GRASS) NO SCALE PIPE OUTLET CONDITIOINS SECTION A -A IN 0% SLOPE *REFER TO PLANS FOR REQUIRED DIMENSIONS A 10' I OUTLET TO FLAT AREA I NO DEFINED CHANNEL GEOTEXTILE. SEPARATION FABRIC d50 STONE SIZE = 6" DEPTH= 18" MIN. KEY IN 6"-9"; FOR ENTIRE PERIMETER *NOTE: MINIMUM DIMENSIONS AS OUTLINED HN E&SC SPEC 3.18 WERE USED FOR ALL 15 INCH CULVERTS SINCE ALL FLOWS WERE BELOW THE MINIMUM FLOW REQUIRED FOR OUTLET PROTECTION. TYPICAL OUTLET PROTECTION DETAIL NOT TO SCALE FLOW 2:1 12:1 � 12:1 � 2:1 6 6 3:1 � 3:1 (MAX.) (MAX.) MATCH EXIST_ BRING MATERIAL DOWN TO A LEVEL AREA BEFORE TERMINATING THE INSTALLATION. TURN THE END UNDER 4" AND STAPLE AT 12" INTERVALS. ON SHALLOW SLOPES, STRIPS OF NETTING PROTECTIVE COVERINGS MAY BE APPLIED ACROSS THE SLOPE. BERM I ON STEEP SLOPES, APPLY PROTECTIVE COVERING PARALLEL TO THE DIRECTION OF FLOW AND ANCHOR SECURELY. L-1 4" � 12„ IN DITCHES, APPLY PROTECTIVE COVERING PARALLEL TO THE DIRECTION OF FLOW. USE CHECK SLOTS AS REQUIRED. AVOID JOINING MATERIAL IN THE CENTER OF THE DITCH IF AT ALL POSSIBLE. ** TYPICAL INSTALLATION PROCEDURES SHOWN. INSTALL MATTING IN ACCORDANCE WITH MANUFACTURER'S GUIDELINES AND SPECIFICATIONS. SOIL STABILIZATION BLANKET NOT TO SCALE MAINTAIN CONSTANT ELEVATION ACROSS TOP OF TIMBER (2) 6"X6" SALT TREATE TIMBERS STACKED VERTICALLY; SEE PLAN FOR LENGTH 1 12:1 6" SECTION C -C (N.T.S.) C 3 #5 REBAR 24" O.C. THROUGH CENTER OF TIMBERS; EMBED BELOW BOTTOM OF TIMBERS. IC -VARIES SEE PLAN FOR LENGTH f CLEAN, WASHED N.T,S.) 7', ENIOINEERED LEVEL SPREADER (VA DEQ `STORMW ATER DESIGN SPEC. N0. 2) 4E. MATCH EXIST,_ - GEOTEXTILE FABRIC LEVEL SPREADER SIZING NUMBER *FLOW (CFS) LENGTH (FT) 1 1.26 17 2 1.29 17 *LEVEL SPREADERS ARE ANALYZED USING THE 2 -YEAR STORM PLAN ( A B C SCC # DEPTH (FT) TOP WIDTH (FT) SIDE SLOPE (H:V) LINING 1 2A 12 3:1 EC -3 Matti ngwTaII Fescue 2 1.0 12 6:1 EC -2 Matti ngwTail Fescue 3 1.0 8 4:1 EC -2 Matti ngwTail Fescue 4 1.0 8 4:1 EC -2 Matti ngwTail Fescue 5 0.5 4 4:1 EC -2 Matting wTall Fescue 6 0.5 4 4:1 EC -2 Matting wTall Fescue 7 0.5 4 4:1 EC -2 Matting wTall Fescue S 1.0 8 4:1 EC -2 Matti ng w Ta I I Fescue 9 1.0 8 4:1 EC -2 Matti ngwTail Fescue 10 0.5 4 4:1 EC -2 Matti ngwTail Fescue KEY IN MATITING TO TOPSOILING FIELD EXPLORATION OF THE SITE SHALL BE MADE TO DETERMINE IF THERE IS SUFFICIENT SURFACE SOIL OF GOOD QUALITY TO JUSTIFY STRIPPING. TOPSOIL SHALL BE FRIABLE AND LOAMY (LOAM, SANDY LOAM, SILT LOAM, SANDY CLAY LOAM, CLAY LOAM). IT SHALL BE FREE OF DEBRIS, TRASH, STUMPS, ROCKS, ROOTS, AND NOXIOUS WEEDS, AND SHALL GIVE EVIDENCE OF BEING ABLE TO SUPPORT HEALTHY VEGETATION. IT SHALL CONTAIN NO SUBSTANCE THAT IS POTENTIALLY TOXIC TO PLANT GROWTH, ALL TOPSOIL SHALL BE TESTED BY A RECOGNIZED LABORATORY FOR THE FOLLOWING CRITERIA: • ORGANIC MATTER CONTENT SHALL BE NOT LESS THAN 1.5% BY WEIGHT. • PH RANGE SHALL BE FROM 6.0-7.5. IF PH IS LESS THAN 6.0, LIME SHALL BE ADDED IN ACCORDANCE WITH SOIL TEST RESULTS OR IN ACCORDANCE WITH THE RECOMMENDATIONS OF THE VEGETATIVE ESTABLISHMENT PRACTICE BEING USED. • SOLUBLE SALTS SHALL NOT EXCEED 500 PPM. IF ADDITIONAL OFF-SITE TOPSOIL IS NEEDED, IT MUST MEET THE STANDARDS STATED ABOVE. STRIPPING: TOPSOIL OPERATIONS SHOULD NOT BE PERFORMED WHEN THE SOIL IS WET OR FROZEN. STRIPPING SHALL BE CONFINED TO THE IMMEDIATE CONSTRUCTION AREA. A 4 -TO 6 -INCH STRIPPING DEPTH IS COMMON, BUT DEPTH MAY VARY DEPENDING ON THE PARTICULAR SOIL. ALL PERIMETER DIKES, BASINS, AND OTHER SEDIMENT CONTROLS SHALL BE IN PLACE PRIOR TO STRIPPING. STOCKPILING: TOPSOIL SHALL BE STOCKPILED IN SUCH A MANNER THAT NATURAL DRAINAGE IS NOT OBSTRUCTED AND NO OFF-SITE SEDIMENT DAMAGE SHALL RESULT. STABILIZE OR PROTECT STOCKPILES IN ACCORDANCE WITH MS #2. SIDE SLOPES OF THE STOCKPILE SHALL NOT EXCEED 2:1. PERIMETER CONTROLS MUST BE PLACED AROUND THE STOCKPILE IMMEDIATELY; SEEDING OF STOCKPILES SHALL BE COMPLETED WITHIN 7 DAYS OF THE FORMATION OF THE STOCKPILE, IN ACCORDANCE WITH STD. & SPEC. 3.31, TEMPORARY SEEDING IF IT IS TO REMAIN DORMANT FOR LONGER THAN 30 DAYS (REFER TO MS #1 AND MS #2). LIMING: WHERE THE PH OF THE SUBSOIL IS 6.0 OR LESS, OR THE SOIL IS COMPOSED OF HEAVY CLAYS, AGRICULTURAL LIMESTONE SHALL BE SPREAD IN ACCORDANCE WITH THE SOIL TEST OR THE VEGETATIVE ESTABLISHMENT PRACTICE BEING USED. BONDING: AFTER THE AREAS TO BE TOPSOILED HAVE BEEN BROUGHT TO GRADE, AND IMMEDIATELY PRIOR TO DUMPING AND SPREADING THE TOPSOIL, THE SUBGRADE SHALL BE LOOSENED BY DISCING OR SCARIFYING TO A DEPTH OF AT LEAST 2 INCHES TO ENSURE BONDING OF THE TOPSOIL AND SUBSOIL. APPLYING TOPSOIL: TOPSOIL SHALL NOT BE PLACED WHILE IN A FROZEN OR MUDDY CONDITION, WHEN TOPSOIL OR SUBGRADE IS EXCESSIVELY WET, OR IN A CONDITION THAT MAY OTHERWISE BE DETRIMENTAL TO PROPER GRADING OR PROPOSED SODDING OR SEEDING. THE TOPSOIL SHALL BE UNIFORMLY DISTRIBUTED TO A MINIMUM COMPACTED DEPTH OF 2 INCHES ON 3:1 OR STEEPER SLOPES AND 4 INCHES ON FLATTER SLOPES. ANY IRREGULARITIES IN THE SURFACE, RESULTING FROM TOPSOILING OR OTHER OPERATIONS, SHALL BE CORRECTED IN ORDER TO PREVENT THE FORMATION OF DEPRESSIONS OR WATER POCKETS. IT IS NECESSARY TO COMPACT THE TOPSOIL ENOUGH TO ENSURE GOOD CONTACT WITH THE UNDERLYING SOIL AND TO OBTAIN A LEVEL SEEDBED FOR THE ESTABLISHMENT OF HIGH MAINTENANCE TURF. HOWEVER, UNDUE COMPACTION IS TO BE AVOIDED AS IT INCREASES RUNOFF VELOCITY AND VOLUME, AND DETERS SEED GERMINATION. SPECIAL CONSIDERATION SHOULD BE GIVEN TO THE TYPES OF EQUIPMENT USED TO PLACE TOPSOIL IN AREAS TO RECEIVE FINE TURF. AVOID UNNECESSARY COMPACTION BY HEAVY MACHINERY WHENEVER POSSIBLE. TOPSOILING 3.30 NOT TO SCALE 11 SEE CHART FOR SIDE SLOPES & DEPTHS SOIL STABILIZATION MATTING ALONG CHANNEL SIDES (PERMANENT CHANNELS ONLY) MAINTENANCE NOTES: 1. ADD REINFORCEMENT PLANTING TO MAINTAIN 90% TURF COVER. RESEED ANY KILLED VEGETATION, 2. EXAMINE CHANNEL BOTTOM FOR EVIDENCE OF EROSION, BRAIDING, EXCESSIIVE PONDING, OR DEAD GRASS. 3. INSPECIT SIDE SLOPES FOR EVIDENCE OF ANY RILL OR GULLY EROSION AND REPAIR. 4. LOOK FOR ANY BARE SOIL OR SEDIMENT SOURCES IN THE CONTRIBUTING DRAINAGE AREA AND STABILIZE IMMEDIATELY. 3178 STORMWATER CONVEYANCE CHANNEL (1GRASS) NO SCALE PIPE OUTLET CONDITIOINS SECTION A -A IN 0% SLOPE *REFER TO PLANS FOR REQUIRED DIMENSIONS A 10' I OUTLET TO FLAT AREA I NO DEFINED CHANNEL GEOTEXTILE. SEPARATION FABRIC d50 STONE SIZE = 6" DEPTH= 18" MIN. KEY IN 6"-9"; FOR ENTIRE PERIMETER *NOTE: MINIMUM DIMENSIONS AS OUTLINED HN E&SC SPEC 3.18 WERE USED FOR ALL 15 INCH CULVERTS SINCE ALL FLOWS WERE BELOW THE MINIMUM FLOW REQUIRED FOR OUTLET PROTECTION. TYPICAL OUTLET PROTECTION DETAIL NOT TO SCALE FLOW 2:1 12:1 � 12:1 � 2:1 6 6 3:1 � 3:1 (MAX.) (MAX.) MATCH EXIST_ BRING MATERIAL DOWN TO A LEVEL AREA BEFORE TERMINATING THE INSTALLATION. TURN THE END UNDER 4" AND STAPLE AT 12" INTERVALS. ON SHALLOW SLOPES, STRIPS OF NETTING PROTECTIVE COVERINGS MAY BE APPLIED ACROSS THE SLOPE. BERM I ON STEEP SLOPES, APPLY PROTECTIVE COVERING PARALLEL TO THE DIRECTION OF FLOW AND ANCHOR SECURELY. L-1 4" � 12„ IN DITCHES, APPLY PROTECTIVE COVERING PARALLEL TO THE DIRECTION OF FLOW. USE CHECK SLOTS AS REQUIRED. AVOID JOINING MATERIAL IN THE CENTER OF THE DITCH IF AT ALL POSSIBLE. ** TYPICAL INSTALLATION PROCEDURES SHOWN. INSTALL MATTING IN ACCORDANCE WITH MANUFACTURER'S GUIDELINES AND SPECIFICATIONS. SOIL STABILIZATION BLANKET NOT TO SCALE MAINTAIN CONSTANT ELEVATION ACROSS TOP OF TIMBER (2) 6"X6" SALT TREATE TIMBERS STACKED VERTICALLY; SEE PLAN FOR LENGTH 1 12:1 6" SECTION C -C (N.T.S.) C 3 #5 REBAR 24" O.C. THROUGH CENTER OF TIMBERS; EMBED BELOW BOTTOM OF TIMBERS. IC -VARIES SEE PLAN FOR LENGTH f CLEAN, WASHED N.T,S.) 7', ENIOINEERED LEVEL SPREADER (VA DEQ `STORMW ATER DESIGN SPEC. N0. 2) 4E. MATCH EXIST,_ - GEOTEXTILE FABRIC LEVEL SPREADER SIZING NUMBER *FLOW (CFS) LENGTH (FT) 1 1.26 17 2 1.29 17 *LEVEL SPREADERS ARE ANALYZED USING THE 2 -YEAR STORM PLAN ( a� CAM BELL BOLTON � Lie. No. 051495 .. .NAS ct Mam ! � a i a �t DESIGNED BY: ECB DRAWN BY: AJH CHECKED BY: CES SCALE: NO SCALE DATE: AUGUST 14, 2017 PROJECT NUMBER: /� C161O1 C-01 EXISTING GRADE SEE PLAN EXISTING GRADE SEE PLAN 0 0 2" SM -9.5A ASPHALT VDOT 21—B STONE COMPACTED SUBGRADE VDOT 21—A STONE GEOTEXTILE COMPACTED TO FILTER FABRIC 95% STANDARD PROCTOR DENSITY PER ASTM D-698 UNDISTURBED NATURAL SOILS OR COMPACTED FILL COMPACTED TO 95% STANDARD PROCTOR DENSITY PER ASTM D-698 TYPICAL GRAVEL DRIVE & PARKING DETAIL NOT TO SCALE 5' �--- 5 NOTE: PAVEMENT SECTIONS SHOULD BE CONFIRMED BY GEOTECHNICAL ENGINEER BASED ON SITE CONDITIONS AT THE TIME OF CONSTRUCTION. 12' ----- 2% SLOPE ASPHALT DRIVEWAY CROSS—SECTION NOT TO SCALE 3' F,_57. 10' 2% SLOPE GRAVEL DRIVEWAY CROSS—SECTION NOT TO SCALE 97' 2PE —� 3' )PE EXISTING GRADE SEE PLAN EXISTING GRADE 0 X '' X j CONCRETE TO BE 4000 PSI MINIMUM PLAN �1`1Xl� MEli E:Q:� f �iI�3Tlli�'l ALTERNATE END -SECTION 12" _ Opt PIPE -1 HUB END ON OUTLET END -SECTIONS SPIGOT END ON INLET END -SECTION rCONCRETE TO BE � — — - - _ — - . _ _ 4000 PSI MINIMUM PLAN SECTION X -X END VIEW END SECTION DIMENSIONS t i PSE DIAMETER A B C D E 1211 411 'hr,,,d,/ f + KI 1511 611 2'-310 31-1091 6,-111 2--611 1$" Ott V-3" 31-10" Bt -I" 31-0t. 21' 9" 21-11" 31-2" of -1" 3'_61, +2411 10" 31-79 21-$11 61-31. 41-011 2712 T�01' 2t_11N D- N 4v6 3011 1r-Qnll, ONE WELDED f- -f'- 5I_01.4_4 33" 11. 4'- 3'- B- 5'-61,36tl1 I 1'-3'i 51. B, 6.-V!1 420 11-A11 551-311 21-1110 81.-211 W -.RN V7' 48'12y'-0" i 6t -On 21-2011 (SEE NOTE 2)d -D" 54" 21-3" 51-514 2'-1& 111 8901..211 -411 V 71-611 6011 2'-6" 1 51-011 3'-3/1 1 81-3311 81-011 �I ALTERNATE END -SECTION 12" _ Opt PIPE -1 HUB END ON OUTLET END -SECTIONS SPIGOT END ON INLET END -SECTION rCONCRETE TO BE � — — - - _ — - . _ _ 4000 PSI MINIMUM PLAN SECTION X -X END VIEW PAY LINE B NOTES; PPE LENGTHS SHOWN ON PLANS ARE BASED ON END -SECTION DESIGN SHOWN ON THE LEFT, IF THE CONTRACTOR ELECTS TO USE THE ALTERNATE DESIGN SHOWN ON THE RIGHT. LENGTHS WILL BE REDUCED BY THE DIFFERENCE IN DIMENSION "D". SLOPE DETAIL SPECIFICATION ^► '\VDOT REFERENCE FLARED END SECTION ROAD AND BRIDGE STANDARDS 302 12" - 60" CONCRETE PIPE CULVERTS REVISION DATE MEET 1 OF 1 VIRGINIA DIEPARTMENT OF TRANSPORTATION 102.101 END SECTION DIMENSIONS — PSE DIAMETER A B C D E 1211 411 'hr,,,d,/ 41-111 C.r,-11, 2t -O" 1511 611 2'-310 31-1091 6,-111 2--611 1$" Ott V-3" 31-10" Bt -I" 31-0t. 21' 9" 21-11" 31-2" of -1" 3'_61, +2411 10" 31-79 21-$11 61-31. 41-011 2712 T�01' 2t_11N D- N 4v6 3011 1r-Qnll, ONE WELDED f- -f'- 5I_01.4_4 33" 11. 4'- 3'- B- 5'-61,36tl1 I 1'-3'i 51. B, 6.-V!1 420 11-A11 551-311 21-1110 81.-211 W -.RN V7' 48'12y'-0" i 6t -On 21-2011 (SEE NOTE 2)d -D" 54" 21-3" 51-514 2'-1& 111 8901..211 -411 V 71-611 6011 2'-6" 1 51-011 3'-3/1 1 81-3311 81-011 PAY LINE B NOTES; PPE LENGTHS SHOWN ON PLANS ARE BASED ON END -SECTION DESIGN SHOWN ON THE LEFT, IF THE CONTRACTOR ELECTS TO USE THE ALTERNATE DESIGN SHOWN ON THE RIGHT. LENGTHS WILL BE REDUCED BY THE DIFFERENCE IN DIMENSION "D". SLOPE DETAIL SPECIFICATION ^► '\VDOT REFERENCE FLARED END SECTION ROAD AND BRIDGE STANDARDS 302 12" - 60" CONCRETE PIPE CULVERTS REVISION DATE MEET 1 OF 1 VIRGINIA DIEPARTMENT OF TRANSPORTATION 102.101 COMPACTED REGULAR BACKFILL FOR DEEP EXCAVATIONS, -- El — Sdl,-sa" 2'-7 "" tf(aT f9 dT� TRENCH MAY BE WIDENED � fl ° e EXTEND STONE o � o ° - ° n UP TO THIS POINT. OSHA STANDARDS DEPTH OF INLET (H) TO BE SHOWN ON d o INITIAL COMPACTED REGULAR BACKFILL FOR DEEP EXCAVATIONS, -- El — Sdl,-sa" 2'-7 "" tf(aT f9 dT� TRENCH MAY BE WIDENED NOTES d ° e EXTEND STONE ABOVE THIS POINT. PER �!` �v ° - ° n UP TO THIS POINT. OSHA STANDARDS DEPTH OF INLET (H) TO BE SHOWN ON d HARDWARWIRE E CLOTHOANCHOREDRF FIRMLY INITIAL PLANS. RDOIATH GREATER THAN 10'USE COLLAR oy �' m REPPEEP BACKFILL NOT LESS THAN 12" NOR .6, A CLASS A3 C3000 PSp. PRECAST (SEE NOTE 3) MORE THAN 24" (TYP.) I 10. ANY ALTERNATE METHODS OF ANCHORAGE MEETING THE APPROVAL OF THE ENGINEER WILL BE MEASURED FROM THE INVERT OF CAST + GALV. ONE WELDED THE OUTFALL PIPE TO THE TOP OF THE OD IRON STEEL 11. JOINT 18" CONCRETE PIPE - 1.620 CU. YD. CONCRETE 24" CONCRETE PIPE - 1.517 CU, YD, CONCRETE STRUCTURE. PLAN "H" DIMENSIONS ARE .III'..... I 4 CRATE DETAIL APPROXIMATE ONLY FOR ESTIMATING '+ OPTIONAL 66 ± + STANDARD DROP INLET 4 SPECIFICATION REFERENCE HAUNCH ZONE BRACE 8185 43.6 LBS I i CONNECTORS SHEET 1 OF 1 (SEE NOTE 2)d 1D4,01 3 L13S TO COLLAR CONTRACTOR FROM FIELD CONDITIONS. INCLUDING 1INCLUDING I ° ° / BEDDINGd ANY OVER EXCAVATION SHIALL._ ' T t BE REPLACED WITH BEDDINIGOD 4" MIN. MATERIAL & COMPACTED TO SEE NOTE 1 95% STANDARD PROCTOR NOTES: 1. TRENCH BEDDING PER DETAIL 107.00 & 107.01 OF THE VDOT ROAD AND BRIDGE STANDARDS. 2. MATERIAL IN HAUNCIH ZONE SHALL BE VDOT BEDDING MATERIAL. 3. INITIAL BACKFILL SHALL BE VDOT CLASS 1 BACKFILL MATERIAL. 4. ALL BACKFILL AND BEDDING MATERIALS AND INSTALLATION SHALL BE IN ACCORDANCE WITH SECTION 302 OF THE ROAD AND BRIDGE SPECIFICATIONS. 5. ALL MATERIAL SHALL BE PLACED IN 6" LOOSE LAYERS AND COMPACTED TO AT LEAST 95% STANDARD PROCTOR, UNLESS OTHERWISE NOTED. WORK IN AND TAMP THE HAUINCHING MATERIAL IN THE AREA BETWEEN THE BEDDING AND UNDERSIDE OF PIPE. 6. DO NOT PERMIT COWPACTION EQUIPMENT TO CONTACT PIPE. REMOVE ANY DAMAGED PIPE SECTIONS BEFORE PROCEEDING. w A N J+ rt N -- El Sdl,-sa" 2'-7 "" tf(aT f9 dT� 8. NOTES LUGS TO BE no AM {GRATE REMOVED? 2 211 DIMENSIONS FOR s CAST IRON ONLY DETAIL A 4'-21' V-711 1 1/2 SECTION CAST IRON —1-1-0 SECTION STEEL #8 N O}}ItiTHRUPEE A 2"X4" NOTCH MAY 134 PROVIDED. SEE STANDARD T -Di -3, 4 FOR �'a a Odin aoN COLLAR 3" DIAMETER WEEP HALE 8. NOTES LUGS TO BE 1'-31 L 2Y2" x 2I2" x /4' g= = - 12" �!` �v CAST WITH OR GALVANIZED STEEL WIRE.UNIMUM 12"-,15,-18" OR 24" : 4 1. DEPTH OF INLET (H) TO BE SHOWN ON T-- + HARDWARWIRE E CLOTHOANCHOREDRF FIRMLY 10'-4" LONG PLANS. RDOIATH GREATER THAN 10'USE COLLAR oy �' m REPPEEP 9. CAST IN PLACE CONCRETE 15 TO BE .6, A CLASS A3 C3000 PSp. PRECAST 2. THE "Hit DIMENSION SHOWN ON THE STANDARDS AND SPECIFIED ON THE PLANS CONCRETE IS TO BE 4000 PSI. I 10. ANY ALTERNATE METHODS OF ANCHORAGE MEETING THE APPROVAL OF THE ENGINEER WILL BE MEASURED FROM THE INVERT OF CAST + GALV. ONE WELDED THE OUTFALL PIPE TO THE TOP OF THE - F. IRON STEEL 11. JOINT 18" CONCRETE PIPE - 1.620 CU. YD. CONCRETE 24" CONCRETE PIPE - 1.517 CU, YD, CONCRETE STRUCTURE. PLAN "H" DIMENSIONS ARE .III'..... I ADDITIONAL FOOTDOF DEPTH. CRATE DETAIL APPROXIMATE ONLY FOR ESTIMATING '+ OPTIONAL 66 ± + STANDARD DROP INLET WELD ALL SPECIFICATION REFERENCE PURPOSES AND THE ACTUAL DIMENSIONS BRACE 8185 43.6 LBS I i CONNECTORS SHEET 1 OF 1 SHALL BE DETERMINED BY THE 1D4,01 3 L13S TO COLLAR CONTRACTOR FROM FIELD CONDITIONS. INCLUDING 1INCLUDING 3. WHEN SPECIFIED ON THE PLANS THE LUGS (CONNECTOR INVERT IS TO BE SHAPED IN ACCORDANCE + WITH STANDARD IS -1. THE COST OF FURNISHING AND PLACING ALL MATERIALS INCIDENTAL TO THE SHAPING IS TO BE INCLUDED IN THE BID PRICE FOR THE Y2" x M° x 4"1 I Viz" x 4" STRUCTURE, LUGS STUD SHEAR CONNECTORS 4. IN THE EVENT THE INVERT OF THE SEE DETAIL A • OUTFALL PIPE IS HIGHER THAN THE BOTTOM OF THE STRUCTURE, THE INVERT OF THE STRUCTURE SHALL BE SHAPED WITH CEMENT MORTAR TO PREVENT SECTION ��B STANDING OR PONDING OF WATER IN THE STRUCTURE. THE COST OF FURNISHING COLLAR DETAIL f2" MIN RAISED AND PLACING ALL MATERIALS INCIDENTAL LETTERING TO INLET SHAPING IS TO BE INCLUDED IN THE BID PRICE FOR THE STRUCTURE. DUMP NO WASTE DRAINS TO WATERWAYS 9• STEPS ARE TO 8E PROVIDED WHEN H i5 4'-0" OR GREATER. FOR DETAILS SEE ST -1. DETAILSTANDARD t5. THIS ITEM MAY BE PRECAST OR CAST - � D ( ti IN-PLACE. HARDWARE CLOTH 2f-8" 1'_3" SEE DETAIL 8 T. 1t# X S" SMOOTH DOWELS AT APPROXIMATELY 12" C -C TO BE Z: 4" DEPTH AGGR, 4,"I#78 I PLACED IN ALL AREAS ADJACENT TO ABUTTING CONCRETE TO PREVENT ,�M1�,,,'•'„� OR et _ —a SETTLEMENT. N LIEU OF DOWELS CL 0-a a "m _ x cv #8 N O}}ItiTHRUPEE A 2"X4" NOTCH MAY 134 PROVIDED. SEE STANDARD T -Di -3, 4 FOR �'a a Odin aoN COLLAR 3" DIAMETER WEEP HALE 8. ALTERNATE DESIGN. 3" DIAMETER WEEP HOLE W T 12'X12" z z z SEE NOTE 8 m tU' '`+j k }i PLASTIC HARDWARE CLOTH " MESH g= = - 12" �!` �v OR GALVANIZED STEEL WIRE.UNIMUM 12"-,15,-18" OR 24" : 4 N aI m R, _ EIMER HARDWARWIRE E CLOTHOANCHOREDRF FIRMLY 4V N N i TO THE OUTSIDE OF THE STRUCTURE, oy �' m REPPEEP 9. CAST IN PLACE CONCRETE 15 TO BE .6, CLASS A3 C3000 PSp. PRECAST CONCRETE IS TO BE 4000 PSI. SECTIOhI� 10. ANY ALTERNATE METHODS OF ANCHORAGE MEETING THE APPROVAL OF THE ENGINEER SEE DETAIL B 1 ! ! ! CONCRETE QUANTITIES FOR MIN. DEPTH� MAY BE SUBSTITUTED FOR THE CAST IRON LUGS AS SHOWN HEREON. >?" CONCRETE PIPE - 1.440 CU, YE). CONCRETE 15" CONCRETE PIPE - 1.628 CU, YD. CONCRETE APPROXIMATE WEIGHT 1 r �� = CAST IRON GRATE 353 ± 16 LBS 11. DUMP NO WASTE DRAINS TO WATERWAY LETTERING IS REQUIRED ON ALL DI -1 18" CONCRETE PIPE - 1.620 CU. YD. CONCRETE 24" CONCRETE PIPE - 1.517 CU, YD, CONCRETE SECTION C -C SECTION D -D .III'..... VARY BYLOCATMANUFACTURER.TTERING MAY ADDITIONAL FOOTDOF DEPTH. CRATE DETAIL XVDOT STANDARD DROP INLET SPECIFICATION REFERENCE ROAD AND BRIDGE STANDARDS 12" - 2411 PIPE, MAXIMUM DEPTH (H) 10' VIRGINIA DEPARTMENT OF TRANSPORTATION i 233 302 SHEET 1 OF 1 REVISION DATE 1D4,01 NOT LESS THAN 12" NOR MORE THAN 24" (TYP.) PAVEMENT GRADE EXTEND INITIAL BACKFILL TO /-BOTTOM OF PAVEMENT SECTION ANY OVER EXCAVATION SHALL', BE REPLACED WITH BEDDING OD MATERIAL & COMPACTED TO SEE NOTE 1 95% STANDARD PROCTOR INITIAL BACKFILL (SEE NOTE 3) HAUNCH ZONE � (SEE NOTE 2) BEDDING 4" MIN. NOTE: VERIFY MINIMUM COVER REQUIREMENTS WITH PIPE MANUFACTURER AND ADJUST AS REQUIRED TO MEET THEIR SPECIFICATIONS. STORM SEWER TRENCH BEDDING DETAIL 5 NOT TO SCALE E. CAl�BELLBOLTON Lie. No. 051495 o SSI01VAL z �lwrri _ > Z > ct a- In Ln 0 > 0 O U LL Z ~"� s s • a > O 0 m O E C2. _ 2 7 in con s � N Q N� by Q N ^� ci w> 0 !U)r_>X� ° 1D LL 2 0 4 a lti 0 w tai 6 AV p DESIGNE©BY: DRAWN BY: AJH GHECKE® BY: SCALE: NQ SCALE UATE; AUGUST 14, 2017 PROJECT NUMBER: i : 4 i' .III'..... � i DESIGNE©BY: DRAWN BY: AJH GHECKE® BY: SCALE: NQ SCALE UATE; AUGUST 14, 2017 PROJECT NUMBER: LEGEND: M11milmilmDRAINAGE AREA DELINEATION > TIME OF CONCENTRATION PATH LIMITS OF DISTURBANCE --SOIL TYPE BOUNDARY (SEE SOIL REPORT FOR DESCRIPTIONS) E. CALM BELL 'BOLTON Lie. No. 051495 "per x A I I 1000 0000 '000 00 00() 0()o 000 0() 0 0000 00()0 0 0 1 00 0000 0 0 0! 0 00 $M� 00 �'N Q N 00 _0 0 r `P\ 0 -00()O 00()C) 0000b\ J�O -, 0 0 C) 0 0()o C o'l 00,0 rj 0 OI,) C) 0 0,--- 0, 00000 0 SCIC-1 & 2 0 0 0 C),/ 0 0 00000 0 u.0 0 ;,, _;, 1 j` :., 000 0 C 1.17 AC. C (--, - - - 000 00,0 3_ 0 C; 0 CN=65.9 9.1 ACRES TO BE PLACES IN 00 0 000 -0,11 0001 -0\ 0 0 C', CONSERVATION EASEMENT. 000c) 000 C= 1-60 n (D 0 0.42 SCC -3 r �j C) SIEE SHEET C2.0 FOR DETAILS 0 TC=1 9 MINS. �1� 1. 57 AC. 0 000 \1, 0 0 C, 00 jr 0 Q2= I. U:D CFS /411 CN -62.3 'Q10=2,75 CFS C=0.37 TC=18 MINS. ll CFS 4%�- Q2=1 -03 Q10=111 CFS -4 X, -="S D ✓ QZ' CIO 0 0 or O 0 r ()0 SCC -10 r --,o 0 0 0.52 AC. U 00.43 CN=66.2 000 0() C= T(-=l 0 NAINIQ m I m Ij '(V U" N7 i6 lk\4 Q2=0.62 CFS SCC -5 0 -1*60 CFS 10 0.74 AC. X oe 'A 3, CN=64.2 C= 0.40 TC=16 MINS. L VO Q2=0.65 CFS 3 �. ` ! ` ;t �i ( ' l,,f I` �'; ,i Q10=1.76 CFS SCC -7 ItHill f f ii 1 0.63 AC. w CN=65.8 iv e/ C=0.42 NN n TC=1 3 MINS. -7 7 (-% C' C -A&' LIS 0 a z Q z 3 4) ? 0 Z 0 0 E 0 0 a E W CO 3: Cm N C4 LO > N 0 E 0 > u- zs 's Z M 1� Nt > uj > 00 < z s- 2 W LjL > 86 CFS Q10=1 - 0�b X, cc N rr z SCC -8 C-6 7_ ui WISHE CIEL 79 AC. 0.73 AC. ui ui 0 CN=69.0 > 0- 6 5.5 w C=0.47 0.42 -0 CC TC=6 MINS. CC < -16 MINS. W a. 0.76 CFS Q2=1.29 CFS Q,0=2.90 CFS T_ co )=1.99 CFS 06 _j < REVISIONS LIMITS OF DISTURBANCE AREA = 26.47 AC IMP (PRE)- 2.68 AC IMP (POST)-= 2.49 AC TURF PRE = 20.33 AC TURF (POST) = 20.52 AC DESIGNED BY: ECB DRAWN BY: AJH CHECKED BY: CES SCALE: 1" = 150' DATE: AUGUST 14, 2017 GRAPHIC SCALE PROJECT NUMBER: 150 0 150 300 600 C1 6101 C-01 (IN FEET) G6.0 1 inch= 150 ft.