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HomeMy WebLinkAboutWPO201600052 Plan - VSMP WPO VSMP 2017-03-03EXIST NEW DESCRIPTION 3 ;,Irx 125 TC TOP OF CURB ELEVATION X 125- SPOT ELEVATION x 125 TW TOP OF WALL ELEVATION x 125BW BOTTOM OF WALL ELEVATION BENCHMARK :­ cc -2 cc -s STORM SEWER ------ , - RD - ROOF DRAIN i... C SEWER LINE 7,986 � V WATER LINE >, - Gas - GAS LINE ------ OHE - OVERHEAD ELECTRIC WIRE Is, UGE UNDERGROUND ELECTRIC 51,501 oHT - OVERHEAD TELEPHONE LINE ----m UGT - UNDERGROUND TELEPHONE LINE -,..:. TREE LINE FENCE STREAM 12- INTERVAL CONTOUR - _00- INDEX CONTOUR -..;; ✓, cc -2 cc -s DRAIN INLET (DI) r' O STORM/SANITARY MANHOLE i... C PLUG 7,986 � V WATER VALVE & BOX >, # FIRE HYDRANT 1.84% EX] WATER METER Is, �-� LIGHT POLE 51,501 i UTILITY POLE 10 10 PROPERTY LINE ac.) - - ADJACENT PROPERTY LINE % VACATED PROPERTY LINE SF 9.84% BUILDING SETBACK ;4 ,., . 6VHANDICAP PARKING SETBACK Sidewalk 3,252 SANITARY EASEMENT _........... -- - GRADING EASEMENT SF 39.95% DRAINAGE EASEMENT _ . ..__-.._. SF UTILITY EASEMENT __......-...,. ._. WATER EASEMENT _._,........ _.__w.. ACCESS EASEMENT _ STORM DRAINAGE EASEMENT -,..:. TREE LINE FENCE STREAM 12- INTERVAL CONTOUR - _00- INDEX CONTOUR -..;; ✓, cc -2 cc -s STANDARD 6" CURB COMBINATION 6" CURB & GUTTER % °a CONCRETE PAVEMENT j SIDEWALK SF 4.64% RIPRAP 7,986 0 ASPHALT Sidewalk D GRASS 1.84% Impervious area EC -2 MATTING Is, 19.04% EC -3 MATTING 51,501 SF WETLAND 10 10 PARKING COUNT ac.) PROPOSED CROSSWALK % HANDICAP ACCESSIBLE AISLE SF 9.84% Pavement ;4 ,., . 6VHANDICAP PARKING NOTE: 1. THE SIZE OF THE SYMBOLS MAY VARY FROM WHAT IS SHOWN. 1,2300 HUNTER 1 5 WAY TAX MAP 07600-00-00-049A* P PYPI Biel TM11111 Emp_��I§Vqww� MlLlqqw_� �Wflvnl 111 V 1 C I N 1 TY M ©P cr_e, i=. 4 wv_ 4 nnn, IMAGE PROVIDED BY GOOGLE MAPS ��� 4 ► 1 C I - C(OVER 5HEET C2 - EROSION CONTROL NARRATIVE C3 - EXISTING CONDITIONS C4 - EROSION CONTROL PLAN C5 - IFI NAL 5 WIVI LAYOUT CG - ER05ION CONTROL DETAILS C7 - 5WM DETAILS OWNER 1 DEVELOPER Heartrock Farm, LLC. 2521 Summit Riidge Trail Charlottesville, WA 22911 PROPOSED USE New Vehicle Repair Shop: 3,300 S^ with Additional Off S>treet Parking Existing Commercial Buildings To Remain. -Building next ''to Hunters Way will be commercial/office. This building will remain connected to the existing sewer septic system but bei connected to the new well. and -2nd building firom Hunters Way will be vacant. This building wtill be disconnected from existing well and sewer septic system. LAND USE SCHEDULE EXISTING G111i,a % Buildings 2,950 SF 4.64% Lo i 7,986 SF 12.56% Sidewalk 1,175 SF 1.84% Impervious area 12,111 Is, 19.04% Open space 51,501 SF F00 Total= 63,612 SF (1.46 ac.) PROPOSED Area % Buildings 2,950+3,300 SF 9.84% Pavement 15,908 SF 25,0% Sidewalk 3,252 SF .. r 25,410 SF 39.95% Open mace 38,202 SF IiE Total= 63,612 SF (1.46 ac.) 419 1 i-crtaIi0 i C i-�q 3rner l' �� e..1s€ei ..Iter': �4 12 SITE XXXX IMAGE PROVIDED BY GOOGLE MAPS ��� 4 ► 1 C I - C(OVER 5HEET C2 - EROSION CONTROL NARRATIVE C3 - EXISTING CONDITIONS C4 - EROSION CONTROL PLAN C5 - IFI NAL 5 WIVI LAYOUT CG - ER05ION CONTROL DETAILS C7 - 5WM DETAILS OWNER 1 DEVELOPER Heartrock Farm, LLC. 2521 Summit Riidge Trail Charlottesville, WA 22911 PROPOSED USE New Vehicle Repair Shop: 3,300 S^ with Additional Off S>treet Parking Existing Commercial Buildings To Remain. -Building next ''to Hunters Way will be commercial/office. This building will remain connected to the existing sewer septic system but bei connected to the new well. and -2nd building firom Hunters Way will be vacant. This building wtill be disconnected from existing well and sewer septic system. LAND USE SCHEDULE EXISTING Area % Buildings 2,950 SF 4.64% Pavement 7,986 SF 12.56% Sidewalk 1,175 SF 1.84% Impervious area 12,111 SF 19.04% Open space 51,501 SF 80.96% Total= 63,612 SF (1.46 ac.) PROPOSED Area % Buildings 2,950+3,300 SF 9.84% Pavement 15,908 SF 25,0% Sidewalk 3,252 SF 5.11% Impervious area 25,410 SF 39.95% Open mace 38,202 SF 60.05% Total= 63,612 SF (1.46 ac.) APPROVED by the Albemarle County Communk, DAvelopment Department Date rz t ne 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. 8. Unless otherwise noted all concrete pipe shall be reinforced concrete pipe - Class III. 9. All excavation for underground pipe installation must comply with OSHA Standards for the Construction Industry (29 CFR Part 1926). 4:4011 •owed • • 1. The plan approving authority must be inotified one week prior to ':`;e pre -construction conference, one week prior to the commencement of land disturbing activity, and one week prior to the final inspection. 2. All erosion and sediment control measures will be constructed and maintained according to minimum standards and specifications of the Virginia Erosion and Sediment Control Handbook and Virginia Regulations VR 625-02-00 Erosion and Sediment Control Regulations. 3. All erosion and sediment control measures are to be placed prior to or as the first step in clearing. 4. A copy of the approved erosion and sediment control plan shall be maintained on the site at all times. 5. Prior to commencing land disturbing activities in areas other than indicated on these plans (including, but not limited to, off-site borrow or waste areas), the contractor shall submit a supplementary erosior 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 meGsures at all times during land disturbing activities and during site development until final stabilization is achieved. 8. During dewatering operations, water will be pumped into an opprored filtering device. 9. The contractor shall inspect all erosion control measures periodicc'ily and after each runoff producing rainfall event. Any necessary repairs or cleanup to maintain the effectiveness of the erosion control devices shall be made immediately. 10. All fill material to be taken from an approved, designated borrow area. 11. All waste materials shall be taken to an approved waste area. Ecrth fill shall be inert materials only, free of roots, stumps, wood, rubbish, and other debris. 12. Borrow or waste areas are to be reclaimed within 7 days of completion per Zoning Ordinance section 5.1.28. 13. All inert materials shall be transported in compliance with section 13-301 of the Code of Albemarle. 14. Borrow, fill or waste activity involving industrial -type power equipment shall be limited to the hours of 7:00am to 9:00pm. 15. Borrow, fill or waste activity shall be conducted in a safe manse that maintains lateral support, or order to minimize any hazard to persons, physical damage to adjacent land and improvements, an{ damage to any public street because o 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 tle 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/100sf. Alternatives are subject to approved by the County erosion control inspector. 18. Permanent stabilization shall be lime and fertilizer, permanent seeding, and mulch. Agricultural grade limestone shall be applied at 90lbs/1000sf, incorporated into the top 4-6 inches of soil. Fertili,er shall be applied at 1000lbs/acre and consist of a 10-20-10 nutrient mix. Permanent seeding shall be applied at 180lbs/acre and consst of 95% Kentucky 31 or Tall Fescue and 0-5% Perennial Ryegrass or Kentucky Bluegrass. Straw mulch is to be applied at 80lbs/100sf, Alternatives are subject to approved by the County erosion control inspector. 19. Maintenance: All measures are to be inspected weekly and after each rainfall. Any damage or clogging to structural measures is to be repaired immediately. Silt traps are to be cleaned when 50% of tle wet storage volume is filled with sediment. All seeded areas are to be reseeded when necessary to achieve a good stand of grass. Silt fence and diversion dykes which are collecting sediment to half their height must be cleaned and repaired immediately. 20. All temporary erosion and sediment control measures are to be removed within 30 days of final site stabilization, when measures are no longer needed, subject to approval by the County erosion control inspector. 21. This plan shall be void if the owner dloes 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 177-207B) PLAN NOTES: Source of Boundary: Plats of Record Compiled by Roger Ray & Associates Source of 2' Field Topography: Field Ruan Topography Survey by Roger W. Ray. Dated June 10, 2015 or G� O .� I-' JUST SHIMP Y C. NJ. 4, 183 91 ss r b 0 L PROJECT DESCRIPTION, GENERAL NOTES, EROSION & SEDIMENT CONTROL NOTES, AND SEQUENCE OF CONSTRUCTION PROJECT DESCRIPTION THIS SITE IS A LOT WITH TWO MODEL HOMES ON HUNTERS WAY IN ALBEMARLE COUNTY BEING REDEVELOPED WITH THE ADDITION OF AN AUTO REPAIR SHOP. THE TOTAL AREA OF DISTURBANCE IS 0.83 ACRES. THE PROJECT INVOLVES THE FOLLOWING WORK ACTIVITIES: 1. THE CONTRACTOR SHALL OBTAIN ALL LOCAL AND STATE EROSION AND SEDIMENT PERMITTING REQUIREMENTS AND MAINTAIN ALL EROSION AND SEDIMENT CONTROLS IN ACCORDANCE WITH THE PERMIT REQUIREMENTS. 2. INSTALLATION OF PERMANENT EROSION AND SEDIMENT CONTROL MEASURES AS SHOWN ON THE PLAN AND DETAILS. 3. GRADING AND AND CONSTRUCTION SHALL BE IN ACCORDANCE WITH THE SITE PLAN. 4. ESTABLISHMENT OF PERMANENT STABILIZATION OF ALL DISTURBED AREAS. EXISTING SITE CONDITIONS THE SITE IS CURRENTLY A DEVELOPED LOT WITH TWO MODEL HOMES AND PARKING. THE LOT DRAINS TO A CONCRETE DITCH ALONG THE EASTERN EDGE OF THE PROPERTY, ALL RUNOFF FROM THE SITE FLOWS TO A CONCRETE CULVERT THAT RUNS UNDER THE HUNTERS WAY ROAD. CONSTRUCTION RUNOFF WILL BE MANAGED USING INLET PROTECTION AND THE EXISTING CURB AND GUTTER THAT WILL TRAP SEDIMENT WITHIN THE LIMITS OF DISTURBANCE. ADJACENT PROPERTIES THIS PROPERTY IS BORDERED TO THE NORTH AND EAST BY THE HUNTER'S WAY RIGHT OF WAY, TO THE SOUTH BY THE RICHMOND ROAD RIGHT OF WAY, AND TO THE WEST BY A PARCEL WITH A DAYCARE FACILITY. OFFSITE AREAS: THERE ARE NO OFFSITE AREAS. SOILS THE SITE CONTAINS THE FOLLOWING SOIL TYPE: 72C3- RABUN CLAY - 7 TO 15% SLOPES, HSG B CRITICAL AREAS THERE ARE 2 AREAS ON THIS SITE WITH CRITICAL EROSION CONCERNS WITHIN THE LIMITS OF DISTURBANCE. THESE ARE LOCATED ON CRITICAL SLOPES ALONG THE EXISTING ROADWAY OF HUNTERS WAY. EROSION ON THESE AREAS WILL BE (MANAGED BY THE USE OF SILT FENCING, INLET PROTECTION, AND DIVERSION DIKES. THE CONTRACTOR WILL BE SPECIFICALLY WARNED TO WATCH FOR EROSION IN THESE AREAS. A CRITICAL SLOPES WAIVER HAS BEEN SUBMITTED FOR DISTURBANCE OF THESE AREAS. EROSION & SEDIMENT CONTROLS 1. CONSTRUCTION ENTRANCE: INSTALL AND MAINTAIN A CONSTRUCTION ENTRANCE, AS NECESSARY, THAT MEETS THE REQUIREMENTS OF STD. AND SPEC. 3.02 AND CONFORMS WITH THE REQUIREMENTS OF THE EROSION & SEDIMENT CONTROL PLAN. 2. SILT FENCE: INSTALL AND MAINTAIN SILT FENCE THAT MEETS THE REQUIREMENTS OF STD. AND SPEC. 3.05. THIS SILT FENCE SHALL BE INSTALLED AS SHOWN ON THE EROSION & SEDIMENT CONTROL PLAN AND ACCOMPANYING DETAILS FOR THE PURPOSE OF INTERCEPTING SILT -LADEN RUNOFF BEFORE IT IS DISCHARGED FROM THE SITE. THE SILT FENCE SHALL BE INSPECTED AND MAINTAINED TO ENSURE CONTINUED PERFORMANCE. 3, TEMPORARY CLEANWATER DIVERSION: A RIDGE OF COMPACTED SOIL CONSTRUCTED AT THE TOP OR BASE OF A SLOPING DISTURBED AREA WHICH DIVERTS OFF-SITE RUNOFF AWAY FROM, UNPROTECTED SLOPES AND TO A STABILIZED OUTLET. MAXIMUM EFFECTIVE LIFE IS 18 MONTHS. STD. AND SPEC. 3.09. THE WATER WILL FLOW THROUGH A CWD DESIGNED TO VDOT LD -268 STANDARDS. THIS CULVERT WILL BE LINED WITH EC -2 MATTING. 4. TEMPORARY SEEDING: TEMPORARY SEEDING SHALL BE APPLIED TO ALL DENUDED AREAS WITHIN SEVEN (7) DAYS TO DENUDED AREAS THAT MAY OR MAY NOT BE AT FINAL GRADE BUT WILL REMAIN DORMANT (UNDISTURBED) FOR LONGER TIHAN 30 DAYS, TEMPORARY SEEDING SHALL BE APPLIED IN CONFORMANCE WITH STD. AND SPEC. 3.31. 5. PERMANENT SEEDING: PERMANENT SEEDING SHALL BE APPLIED TO AREAS DELINEATED ON THESE PLANS WITHIN SEVEN (7) DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THE SITE. PERMANENT SEEDING STABILIZES DISTURBED AREAS AND ENHANCES THE BEAUTY OF THE SITE. 6. MULCHING: APPLICATION OF PLANT RESIDUES OR OTHER SUITABLE MATERIALS TO THE SOIL SURFACE TO PREVENT EROSION AND FOSTER THE GROWTH OF VEGETATION. ORGANIC MULCHES (STRAW) HAVE BEEN FOUND TO BE THE MOST EF=FECTIVE. 7. DUST CONTROL: CONDUCT DUST CONTROL OPERATIONS NECESSARY TO MET THE REQUIREMENTS OF STD. & SPEC. 3.39 AS REQUIRED TO CONTRO)L SURFACE AND AIRBORNE MOVEMENT OF DUST. 8. INLET PROTECTION: INLET PROTECTION MEASURES AROUNF THE NEW INLETS SHALL BE PROVIDED IN ACCORDANCE WITH STD. AND SPEC. 3.07. SILTF FENCE, STRAW BALES OR TEMPORARY STONE APPLICATIONS SHALL BE APPLIED AS APPROPRIATE FOR CURRENT GRADE CONDITIONS. PERMANENT STABILIZATION AND SEQUENCE OF CONSTRUCTION THE FOLLOWING ARE THE PROPOSED MANAGEMENT STRATEGIES AND DETAILED SEQUENCE OF CONSTRUCTION: STAGE 1 1. THE EXISTING ENTRANCE SHALL BE USED AS THE: PAVED CONSTRUCTION ENTRANCE. PROVIDE WASHHOSE IF REQUIRED BY INSPECTOR. 2. INSTALL SILT FENCE ALONG THE NORTHERN EDGE: OF THE EXISTING PARKING LOT. THIS MAY BE REMOVED AFTER INITIAL GRADING AND GRUBBING ARE COMPLETE AND CONSTRUCTION ROAD STABILIZATION IS IN PLACE. 3. USE EXISTING PARKING AS STAGING AREA. ASPHALT SHALL REMAIN DURING GRADING AND CONSTRUCTION UNTIL SITE AREA IS STABILIZED. 4. INSTALL DIVERSIONS AND INLET PROTECTION AT ]THE LOCATIONS SHOWN ON THE EROSION & SEDIMENT CONTROL PLAN. STAGE 2 CONTACT THE ENGINEER AND ALBEMARLE COUNTY FOR INSPECTION AND APPROVAL OF ALL E&S CONTROL MEASURES. STAGE 3 1. UPON APPROVAL OF ALL E&S CONTROL MEASURES, GRADE AND DEMO SUFFICIENT AREA TO CONSTRUCT BUILDING. 2. AFTER DISTURBED AREA IS STABILIZED, INSTALL THE THREE -RUN DETENTION PIPES UNDER THE PARKING LOT AND CONNECT TO THE EXISTING DI -3 MANHOLE AS SHOWN IN THE PLANS. 3. MAINTAIN NECESSARY INLET PROTECTION AT THE LOCATIONS SHOWN ON THE PLAN. 4. FINISH SITE GRADING AND INSTALLATION OF ALL OTHER UNDERGROUND UTILITIES. 5. INSPECT DETENTION PIPES AND CLEAN OUT SEDIWENT BUILDUP IF NECESSARY. STAGE 4 ESTABLISH AND MAINTAIN PERMANENT STABILIZATIOK INCLUDING VEGETATION OF ALL SLOPES AND GRASSED AREAS. STORMWATER MANAGEMENT: STORMWATER MANAGEMENT MEASURES MEETING THE REQUIREMENTS OF THE VSMP PERMIT HAVE BEEN INCLUDED. SPECIFICALLY, PURCHASE OF OFFSITE NUTRIENT CREDITS FOR WATER QUALITY AND APPROPRIATE DETENTION OF RUNOFF TO MEET THE VRRM ENERGY BALANCE EQUATION. CONSTRUCTION MAINTENANCE THE FOLLOWING CONSTRUCTION MAINTENANCE PRACTICES SHALL BE FOLLOWED AT THE SITE. 1. ALL E&S CONTROL MEASURES WILL BE CHECKED DAILY AND AFTER EACH SIGNIFICANT RAIN EVENT, ALL DEFICIENCIES IDENTIFIED DURING THESE INSPECTIONS SHALL BE CORRECTED AS SOON AS PRACTICABLE. 2. THE SILT FENCE BARRIER SHALL BE REGULARLY CHECKED FOR UNDERMINING, DETERIORATION OR SIGNIFICANT EROSION. SEDIMENT SHALL BE REMOVED AFTER EACH STORM EVENT AND WHEN THE LEVEL OF SEDIMENT DEPOSITION REACHES HALF THE HEIGHT OF THE CONTROL. 3. THE CONTRACTOR IS RESPONSIBLE FOR ADHERING TO ALL MAINTENANCE REQUIREMENTS SET FORTH IN THE CURRENT EDITION OF THE VIRGINIA SEDIMENT AND EROSION CONTROL MANUAL, OTHER APPLICABLE COMMONWEALTH OF VIRGINIA REGULATIONS AND THE PROJECT SPECIFICATIONS. 4. ALL SEEDED AREAS WILL BE REGULARLY CHECKED TO ENSURE THAT A GOOD STAND OF GRASS IS MAINTAINED. 5. AREAS WITH RIP -RAP SHOULD BE REGULARLY INSPECTED TO DETERMINE IF HIGH FLOWS HAVE DAMAGED THESE CONTROLS OR CAUSED EXCESSIVE SEDIMENT DEPOSITION. ALL AREAS SHALL BE MAINTAINED IN ACCORDANCE WITH THE REQUIREMENTS OF THIS E&S CONTROL PLAN. ENVIRONMENTAL CONTROLS 1. CONTRACTOR SHALL PROVIDE AND MAINTAIN ALL ENVIRONMENTAL CONTROL MEASURES SO AS TO COMPLY WITH LOCAL ORDINANCES, STATE AND FEDERAL LAWS AND REGULATIONS APPLICABLE TO WATER- POLLUTION IN WATERS OF THE STATE AND IN INTERSTATE WATERS. 2. CONTRACTOR SHALL MINIMIZE THE POTENTIAL FOR AIR POLLUTION BY THE USE OF EMISSION CONTROL EQUIPMENT ON CONTRACTOR OPERATED EQUIPMENT, SHUT -DOWN OF MOTORIZED EQUIPMENT WHEN NOT IN USE, AND ACTIVELY CONTROLLING DUST EMISSIONS THROUGHOUT THE PROJECT. EROSION & SEDIMENT CONTROL PERMITTING CONTRACTOR SHALL BE RESPONSIBLE FOR OBTAINING ALL LOCAL AND STATE EROSION AND SEDIMENT CONTROL PERMITS AND MAINTAINING ALL EROSION AND SEDIMENT CONTROLS IN ACCORDANCE WITH THE PERMIT REQUIREMENTS. GENERAL NOTES 1. THE INFORMATION AND DATA SHOWN OR INDICATED WITH RESPECT TO THE EXISTING UNDERGROUND UTILITIES AT OR CONTIGUOUS TO THE SITE ARE BASED ON INFORMATION AND DATA FURNISHED TO THE OWNER AND ENGINEER BY THE OWNERS OF SUCH UNDERGROUND FACILITIES OR OTHERS. THE OWNER OR ENGINEER SHALL NOT BE RESPONSIBLE FOR THE ACCURACY OR COMPLETENESS OF SUCH INFORMATION OR DATA. THE CONTRACTOR SHALL HAVE FULL RESPONSIBILITY FOR CONFIRMING THE ACCURACY OF THE DATA, FOR LOCATING ALL UNDERGROUND UTILITIES, FOR COORDINATION OF THE WORK WITH OWNERS OF SUCH UNDERGROUND UTILITIES DURING CONSTRUCTION, FOR THE SAFETY AND PROTECTION THEREOF AND REPAIRING ANY DAMAGE THERETO RESULTING FROM THE WORK. ALL OF THESE CONDITIONS SHALL BE MET AT NO ADDITIONAL COST TO THE OWNER. THE CONTRACTOR SHALL CONTACT "MISS UTILITIES" OF VIRGINIA AT 1-800-552-7001 PRIOR TO THE START OF WORK. 2. WHEN WORKING ADJACENT TO EXISTING STRUCTURES, POLES, UTILITIES, ETC., THE CONTRACTOR SHALL USE WHATEVER METHODS THAT ARE NECESSARY TO PROTECT STRUCTURES FROM DAMAGE. ANY DAMAGE CAUSED BY THE CONTRACTOR OR ITS SUBCONTRACTORS SHALL BE THE CONTRACTOR'S SOLE RESPONSIBILITY TO REPAIR OR REPLACE. THIS EXPENSE IS THE CONTRACTOR'S RESPONSIBILITY. 3. REPLACEMENT OR REPAIR OF DAMAGED STRUCTURES SHALL BE AT THE CONTRACTOR'S EXPENSE. 4. THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROTECTING ALL EXISTING SITE STRUCTURES FROM DAMAGE AND COORDINATING WORK SO THAT THE OWNER CAN MAKE NECESSARY ARRANGEMENTS TO MODIFY/PROTECT EXISTING STRUCTURES FROM DAMAGES. 5. THE CONTRACTOR SHALL BE RESPONSIBLE FOR NOTIFYING ALL UTILITY OWNERS, ADJACENT LAND OWNERS WHOSE PROPERTY MAY BE IMPACTED AND THE VIRGINIA DEPARTMENT OF TRANSPORTATION PRIOR TO COMPLETING ANY OFF-SITE WORK. 6. CONTRACTOR SHALL NOTIFY AND COORDINATE ALL WORK INVOLVING EXISTING UTILITIES WITH UTILITY OWNERS, AT LEAST 72 HOURS PRIOR TO THE START OF CONSTRUCTION. 7. ALL EXCAVATION FOR UNDERGROUND PIPE INSTALLATION MUST COMPLY WITH OSHA STANDARDS FOR THE CONSTRUCTION INDUSTRY (29 CFR PART 1926). 8. THE CONTRACTOR SHALL VERIFY THE LOCATIONS OF ALL BOUNDARIES, BUILDINGS„ VEGETATION, AND OTHER PERTINENT SITE ELEMENTS. CONTRACTOR SHALL IMMEDIATELY REPORT ANY DISCREPANCIES BETWEEN EXISTING CONDITIONS AND CONTRACT DOCUMENTS TO THE OWNER AND ENGINEER. 9. CONTRACTOR SHALL SUBMIT FOR THE APPROVAL OF THE OWNER SUBMITTALS OF ALL SPECIFIED MATERIALS LISTED IN THE PLANS, TO INCLUDE SHOP DRAWINGS, MANUFACTURER'S SPECIFICATIONS AND LABORATORY REPORTS. THE OWNER'S APPROVAL OF SUBMITTALS WILL BE GENERAL AND WILL NOT RELIEVE THE CONTRACTOR FROM THE RESPONSIBILITY OF' ADHERENCE TO THE CONTRACT AND FOR ANY ERROR THAT MAY EXIST. 10. CONTRACTOR SHALL BE RESPONSIBLE FOR OBTAINING ALL NECESSARY PERMITS, INSPECTIONS, BONDS, AND OTHER RELATED ITEMS IN ACCORDANCE WITH LOCAL AND STATE POLICY. MINIMUM STANDARDS (MS) All applicable Virginia Erosion and Sediment Control Regulations and Minimum Standards shall be adhered to during all phases of construction. These include, but are not limited to the following: 1. STABLIZATION OF DENUDED AREAS: Permanent or temporary soil stabilization shall be applied to bare 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 or undisturbed for longer than 30 days. Permanent stabilization shall be applied at areas that are to be left dormant for more than 1 year. 2. STABILIZATION OF SOIL STOCKPILES: During construction of the project, soil stockpiles shall be stabilized or protected with sediment trapping measures. The applicant is responsible for temporary protection and permanent stabilization of all soil stockpiles on site as well as soil intentionally transported from the project site. 3. PERMANENT VEGETATIVE COVER A permanent vegetative cover shall be established on denuded areas not otherwise permanently stabilized. Permanent vegetation shall not be considered established until a ground cover is achieve that, in the opinion of the county Inspector, is uniform and mature enough to survive to inhibit erosion. 4. TIMING & STABILIZATION OF SILT TRAPPING MEASURES: Sediment basins and traps, perimeter dikes, sediment barriers and other measures intended to trap sediment shall be constructed as a first step in any land disturbing activity and shall be made functional before upslope land disturbance takes place. 5. STABILIZATION OF EARTHEN STRUCTURES: Stabilization measures shall be applied to earthen structures such as dams, dikes and diversions immediately after installation. 6. SEDIMENT TRAPS AND BASINS: A sediment basin shall control surface runoff from disturbed areas that is comprised of flow from drainage areas greater than or equal to three acres. The sediment basin shall be designed and constructed to accommodate the anticipated sediment loading for the land disturbing activity. The outfall device or system device shall take into account the total drainage area flowing through the disturbed area to be served by the basin. 7. CUT AND FILL SLOPES: 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. & CONCENTRATED RUN-OFF DOWN CUT OR FILL SLOPES: Concentrated runoff shall not flow down cut or fill slopes unless contained within an adequate temporary or permanent channel, flume, or slope drain structure. 9.WATER SEEPS FROM A SLOPE FACE: Whenever water seeps from a slope face, adequate drainage or other protection shall be provided. 10. STORM SEWER INLET PROTECTION: All storm sewer inlets that are made operable during construction shall be orotected so that sediment -laden water cannot enter the conveyance system without first being filtered or otherwise treated to remove sediment. 11. STABILIZATION OF OUTLETS: Be -fore newly constructed stormwater conveyance channels 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. 12. WORK IN LIVE WATERCOURSES: When work in a live watercourse is performed, precautions shall be taken to minimize encroachment, control sediment transport and stabilize the work area to the greatest extent possible during construction. Nonerodible material shall be used for the construction of causeways and cofferdams. Earthen fill may be used for these structures if armored by nonerodible cover materials. 13. CROSSING A LIVE WATERCOURSE: When a live watercourse must be crossed by construction vehicles more than twice in any six month period, a temporary stream crossing constructed of nonerodible materials shall be provided. 14. APPLICABLE REGULATIONS: All applicable federal, state and local regulations pertaining to working in or crossing live watercourses shall be met. 15. STABILIZATION OF BED AND BANKS The bed and banks of a watercourse shall be stabilized immediately after work in the watercourse is completed. 16. UNDERGROUND UTILITIES: Underground utilities shall be installed in accordance with the following standards in addition to other 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 for dewatering operations shall be filtered or passed through approved sediment trapping device, or both, and discharged in a manner that does not adversely affect flowing streams or offsite 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 these regulations. f. Applicable safety regulations shall be complied with. 17. CONSTRUCTION ACCESS ROUTES: Where construction vehicle access routes intersect paved public roads, provisions shall be made to minimize the transport of sediment by vehicular tracking onto paved surfaces. Where sediment is transported on to a public road surface, the road shall be cleaned thoroughly at the end of each day. Sediment shall be removed by shoveling or sweeping and transported to a sediment control disposal area. Street washing shall be allowed only after sediment is removed in this manner. This provision shall apply to individual lots as well as to larger land disturbing activities. 18. TEMPORARY E&S CONTROL MEASURE REMOVAL: All temporary erosion and sediment control measures shall be removed within 30 days after final site stabilization or after temporary measures are no longer needed, unless otherwise authorized by the local program authority. Trapped sediment and the disturbed soil areas resulting from the disposition of temporary measures shall be permanently stabilized to prevent further erosion and sediment. 19. ADEQUACY OF RECEIVING CHANNELS: Properties and waterways downstream from the development site shall be protected from sediment deposition, erosion and damage, due to increases in volume, velocity and peak flow rates of stormwater runoff for the stated frequency storm of 24-hour duration. L , O 3U M. SHIMP c; A5183 183 �S`S'IOINFAI V' T. M. 78-49B LOT 2B IRISH CAVILIERS PROPERTIES, LLC IUSE—BRIGHT EYES COMMUNITY CHILD CARE CENTER ' CURRENT ZONING—HIGHWAY COMMERCIAL,ENTRANCE CORRIDOR ' D.B. 4462-425 ( D.B. 1235-5 PLAT x Ir \ \ a m 30„MAILBOX \, WALNUT 1 \ I # 2374x q \ \ \ 0 I GRASS 3 70 t GRASS s 'ILS BRICK \ \ ' ( !,{ \ " SIGN \ X BQARD FENCE X R X x ;\ GL \ \ y X `� JC f s 610 1 I i I \ISR0N\ \ \ N� 42 06 401.05 \ / s ET \ e T. M.\,, 8 - 4 9 A ~ - SILT FENCE AND DI -7 I \ L 0 T 1 INLET PROTECTION TO BE \ MAINTAINEE DURING INITIXL 14 I l / A HEAP TROCK FA M LLC i ; v_:1 I, \ RUBBING AND GRADING. twoos `,1RASS� � � D B 4611 4 � `�� RE�10VE FENCE UPON / \ \ D. B .j 6 8 6- 6 8 6 LA P T \ IMPLEMENTATION OF CRS. l ( I , EXIST. LANDSCAPE AND SHRUBS oo / GL H101 LY / } f l f d LS+B i W F 4 i ( EXISTING PARKING j A=1 BW ,,� J, I / AREA AND � j � ,- � z a j �c m- � Ff` — 6" CONC PAD TO ( / � � cn 0 386.7 \ ' Q) Dw Ls / j BE REIv1�OVED RELOCIATE Cr2'�- X, EXISTING WELL EXISTINGf ti j PILE r, rn .. k �, ,, ., a INV 11c ...i�:j 37550 y 1 j 355.86 ' CONC DITCH .,.: > ' f C =�U 17 ' f _._.., v5 1 W CB=S 47' E f PAVED , g 41 CL " ,......._�.... ........... fj r 3 s � , q i ^ : ro 1` DI -3B ` o .wn. (( P , •' � �;�. �. _..:- fps.._ ...�.. E�X. 15 CONC PIPE1 .... D SIGN NVERT OP371.07 p�G; / D s I - I 41 359.91 370.36 EX. ENTRANCE 370.96 INV OUT= 366.17 UTILITY /r " UITILITY /BOX /� BOX INV OUT= 355.06 • • 20 40 •• ■ ■ ■ ■ ■ Scale:• -_ ----- OVERLAND FLOW DIRECTION P 0� JUs m.SHImp c. .4 183 sS Ion aL -37 I C H I' C-) Cf) Z' C �J Z C C C a:) CD- 3--. IU 00 XX 00 loo 10, OD -�-, EXIRT CENTER LINE OF THE UTILITY / UTILITY /� BOX SOIL EROSION & SEDIMENT CONTROL SYMBOLS SYMBOL N0. TITLE KEY 3.02 CONSTRUCTION ENTRANCE CE 3.03 CONSTRUCTION ROAD STABILIZATION CR CR x x x x 3.05 SILT FENCE SF 3.07 INLET PROTECTION IP 3.09 TEMPORARY DIVERSION DIKE DD [DRAWN TO SCALE] 3.13 TEMPORARY SEDIMENT TRAP ST 3.18 OUTLET PROTECTION OP TS 3.31 TEMPORARY SEEDING TS PS 3.32 PERMANENT SEEDING PS M 3.35 MULCH MU pC 3.39 DUST CONTROL DC - SOIL DIVIDE — — LIMITS OF DISTURBANCE DRAINAGE AREA OVERLAND FLOW DIRECTION o v JU M. SHIMP 9 �0 5fl $3 �' w o S81ONAL li�G � / Description Length Invert In -----T--- � ` / \ \ \ ` \ ` � Z] [ \ |+/ � 383.2 OCf) Connect to Detention S2 IDI -313 81 Top- 386.3 [] - Connect to Detention ' \ CD i(= � / ' \ Z3 ;M / \ --[� Build Next to Ex. DI -3C S4 Ex. DI -3C []LTI\ 377.6 374.54 - Will Function As Manhole ` � | | ' | `~ | .~^. . INV I CD UT— MH NV UT X 385. 59 000- / 371.07 31 359.91___- // (\ 370. 96", OUT= 366.17 , zwv our -355.06 20 0 20 40 60 Structure Number Description Length Invert In Invert Out Slope Remarks S1 IDI -3B 81 Top- 388.0 383.2 - Connect to Detention S2 IDI -313 81 Top- 386.3 383.2 - Connect to Detention S3 IDI -3C 10' Top: 383.6 382 - Build Next to Ex. DI -3C S4 Ex. DI -3C 81 377.6 374.54 - Will Function As Manhole Pi 60" HDPE Detention Pipe 3 x 93' 378.2 378.2 0% Joined at Ends P2 15" HDPE Culvert 60' 380.0 379.0 1.7% Culvert TO Detention P3 15" HDPE Culvert 63' 378.2 377.6 1 1.0% Culvert FROM Detention STORM YA|[D STRUCTURE TABLE Not ToScale GRAVEL CLDJ INLET JlllHlvq FIL TER GRAVEL ROER*---� | 1 RUNOFF WATER CONCRETE GUTTER SPECIFIC APPLICATION WIRE MESH FILTERED WATER CURB INLET THIS METHOD OF INLET PROTECTION IS APPLICABLE AT CURB INLETS WHERE PONDING IN FRONT OF THE STRUCTURE IS NOT LIKELY TO CAUSE INCONVENIENCE OR DAMAGE TO ADJACENT STRUCTURES AND UNPROTECTED AREAS. * GRAVEL SHALL BE VD[T #3 #357 DR 5 COARSE AGGREGATE. DRIP UNE SNOW FENCE BOARD FENCE _ = [F CORD FENCE /~(�[}���/=T ���T��/��l�� /�� T[J[[ ��KJ/`|W/� ����/�/��-�^/ /v/�-///����.� �// /|\�_�_ FENCING TRIANGULAR BOARD [[N/`[ K'__2�Tree Protection Fence (TP) C6 Not To Scale PERMANENT SEEDING SPECIFICATIONS February 16 through April 30: Kentucky 31 Fescue — 128 lbs/acre; Red Top Grass — 2 |bu/oore; Annual Rye — 20 lbs/acre. Add 20 lbs/acre Indian gross when slopes are greater than 3:1. Acrylic Pmutsion May 1 through August 15: (N0D-|r8OlC) 7:7 (.0OISe Spray Kentucky 31 Fescue — 128 |bo/ocre; Rod Top Grass — 2 lbs/acre; Fnxtoi| Millet — 20 |bs/ocre. Add 20 lbs/acre Indian gross when slopes ore greater than 3:1. PROFILE to to � August 16 through October 31: to Kentucky 31 Fescue — 128 lbs/acre; Red Top Groes — 2 lbs/acre; Annual Rye — 20 lbs/acre. Add 20 lbs/acre Indian gross on o|npen greater than 3:1. OATS November 1 through February 15: - Kentucky 31 Fescue — 128 lbs/acre; Red Top Grass — 2 |bu/oore; Winter Rye — 20 |bs/ocre. Add 20 |bs/ocre Indian gross on slopes greater 1500 lbs. MULCHING SPECIFICATIONS: Straw or hay at o note of 2 tons/acre. Must be anchored. Spread with nnu|oh blower or by hand. LIME AND FERTILIZER SPECIFICATIONS: Unnn and fertilizer needs should be determined by soil tests. Soil touts may be preformed by the Cooperative Extension Service Soil Testing Laboratory at VP|&SU' or by o reputable connrneroio| laboratory. Information concerning the State Soil Testing Laboratory is ovui|ob|c from CITY Extension Agents. Under unusual conditions whore it is not possible to obtain o soil tont, the following oni| amendments will be applied: For Permanent Seeding: Seeded areas ohoU be limed at o rote of 2 tons per ocre, and fertilized at o rot* of 1.000 |bs. per acre of 10-20-10 (10 lbs. per 1.000 square foot) or equivalent. For Temporary Seeding: 3oadod areas ohoU be limed at o rote of 2 tons per acre, and fertilized at o rote of OOO lbs. per acre of 10-20-10 (10 lbs. per 1.000 square feet) or equivalent, 3 VERMANENT SEEDING (PS. TY�|[`�| ����`T|(lN TYPICAL /`�r`�- ./�-`�//��/v FOR��l� �`VV�' � �� '« �� ' PROVIDE EC -2 MATTING BLANKET owOUTSIDE orDIVERSION 4�CLEAN WATER DIVERSION (CWD To Scale CONSTRUCTION OF A q" /�/7 07TH WIRE SUPPORT) 1. SET POSTS AND cxcmonc A 4"x4^ z. sn^pLE w|ns FENCING no THE posTs. Tnswo* upsu)Ps xuzwo THE uws 12.5:1 OF posTs. 235 Resin in Water 4:1 4;� A- 3. ATTACH THE noEx FABRIC ToTHE wxxE FENCE AND EXTEND IT INTO THE TRENCH. � «. BAcxru' AND COMPACT THE EXCAVATED SOIL. _ FLeW'��_ �UU|/ � EXTENSION OF FABRIC AND WIRE INTO THE TRENCH. SILT [[Wy[ (SF) U. U|O[ SUPPORT Not To Scale Paved construction entrance for erosion control plans 7:1 Coarse Spray t,200 [atCxEDlulsiVn 12.5:1 Fine Spray 235 Resin in Water 4:1 Fine Nn[8y 300 Acrylic Pmutsion (N0D-|r8OlC) 7:7 (.0OISe Spray 450 U M7 NOTES: SPECIES CHARACTERISTICS (Traffic) .3.5:1 Coarse Spray 350 1000 f2 1 PROFILE to to � to to to (Minimum 2 matter. Must be anchored. 4130 8/15 11/1 4/30 1 1115 Spread with mulch blower OATS 3 bm. (up to LOO lbs_ 2 tbs. 17 M - X Use spring varieties (e.g, Noble). Fiber Mulch Minimum (A)Lena sativa not less than 50 tbs.) 1500 lbs. winter cover or during hot, PLAN 2 bu(up to 110 tbs., 2.5 tbs, 12 X x X Use for late fall seedings, winter (Suale cer�l not less than 50 tbs.) Corn Stalks 4 - 6 tons 185 - 275 lbs. cover. Tolerates cold and low SECTION A -A lengths. Air-dried. Do not approved setthiqg- area ft) lealo-ve sediment, Z'U 'sediillellt's4lafi be prevented fix-Hil 50 tbs. approx. I lb. X PA"V"ED 'TAY'ASH RACK X SCALE 6�PAVED CONSTRUCTION ENTRANCE (CE — Scale To -------- TABLE 3.39-A ADHESIVES USED FK0R'DUST CONTROL Water Application [)ilui0K Type of RULC Adhesive (Adhesive: Water) Nozzle Gallons/Acre /\oionic Asphalt Emulsion 7:1 Coarse Spray t,200 [atCxEDlulsiVn 12.5:1 Fine Spray 235 Resin in Water 4:1 Fine Nn[8y 300 Acrylic Pmutsion (N0D-|r8OlC) 7:7 (.0OISe Spray 450 Acrylic Emulsion NOTES: SPECIES CHARACTERISTICS (Traffic) .3.5:1 Coarse Spray 350 '�DIJIST CONTROL (DC C6 JNOt To—scale TABLE 3.31-C TEMPORARY SEEDING PLANT MATERIALS, SEEDING RATES, AND DATES TABLE 3.35-A SEEDIN ATE NORTH' SOUTHb 10 MULCHES- NOTES: SPECIES CHARACTERISTICS Per Acre Per 1000 sq. ft. Acre 1000 f2 1 to to to � to to to (Minimum 2 matter. Must be anchored. 4130 8/15 11/1 4/30 1 1115 Spread with mulch blower OATS 3 bm. (up to LOO lbs_ 2 tbs. X - X Use spring varieties (e.g, Noble). Fiber Mulch Minimum (A)Lena sativa not less than 50 tbs.) 1500 lbs. winter cover or during hot, RYF� 2 bu(up to 110 tbs., 2.5 tbs, X X x X Use for late fall seedings, winter (Suale cer�l not less than 50 tbs.) Corn Stalks 4 - 6 tons 185 - 275 lbs. cover. Tolerates cold and low lengths. Air-dried. Do not GERMAN MILLET 50 tbs. approx. I lb. X X Warm -season annual. Dies at first (Setari it#lica frost. May be added to sunarrer Wood Chips 4 - 6 tons ANNUAL RYEGRASS' 60 tbs. 11/2 tbs. X X X X May be added in nnxe& Will cc (L21—lum M441i2amp nitrogen per ton. Do not MW out of most staruis, WEEPING 15 tbs. 51h om X X - Warm -season, perennial. May LOVEGRASS handler, or by hand. buinc.b. Tolerates hot, dry slopes Bark Chips 50 - 70 cu. (Eragrostis curvula Free of coarse matter. Air - or yds. and acid, infertile soil%. May be Shredded turf ZITCaS. Apply with added to naixes;. Bark KOREAN Z5 tbs. approx. I 1h X X X x warna season Mutual legume. LESPEDEZA' When fiber mulch is the only available mutch during periods when straw should be used, apply at a minimum rate of 11000 lbs./ac. or 45 lbs./1000 sq. ft, Tolerates acid soils. May be I Source: Va. DSWC added to inixes. Northern Piedmont and Mountain region. See Plates 3.22-1 and 3.22-2. b Southern Piedmont and coastal Plain. I May be used as a cover crop with spring seeding. d May be used as a cover crop with fall seeding. X May be planted between these dates. May not be planted between these dates, 8),TEMPORARY SEED_ING (TS. C6,/Not To Scale 1992 3.35 TABLE 3.35-A ORGANIC MULCH MATERLALS AND APPLICATION RATES MULCHES- NOTES: Per Acre Per 1000 sq. ft. Straw of Hay jl� - 2 tons 70 - 90 tbs. Free from weeds and coarse (Minimum 2 matter. Must be anchored. tons for Spread with mulch blower wint er cover) or by band. Fiber Mulch Minimum 35 tbs. Do not use as mulch for 1500 lbs. winter cover or during hot, dry periods.* Apply as Corn Stalks 4 - 6 tons 185 - 275 lbs. Cut or Shredded in 4-6" lengths. Air-dried. Do not use in fine turf areas. Apply with mulch blower or by Wood Chips 4 - 6 tons 185 - 275 tbs. Free of coarse matter. Air- dried. Treat with 12 lbs nitrogen per ton. Do not use in fine turf areas. Apply with mulch blower, chip handler, or by hand. Bark Chips 50 - 70 cu. 1-2 cu. yds. Free of coarse matter. Air - or yds. dried, Do not use in fine Shredded turf ZITCaS. Apply with Bark mulch blower, chip handler, or by hand When fiber mulch is the only available mutch during periods when straw should be used, apply at a minimum rate of 11000 lbs./ac. or 45 lbs./1000 sq. ft, I Source: Va. DSWC (�_9�MILILCHING NU� ale 83 \- 60" HDPE Tee With Access Manhole 57 ,GRAVEL BEDDING 375 .....___._Culv_ert. Out .. . _ .. ___._..._..._ _. a _....... _ . See Profile Below Via 8 B' _T Top - - - -HDPE Cap 60 HQPE Tee 375 With Access Manhole ; Via 8-Dl--3B--Top _._. 00 I. - - CO.- _ �9_.... ... ... ......................_ 370 10+75 11+00 400 } ...... _. _... CULVERT P2 --. m(oa� S2 (Si) Ex. Grade 390. _.. �-- _..._. ... ._......__,�..... _„ 90 P1: DETENTION PIPE I. MCD; JO -::DETENTION of d ... ...: (D 8', D1-313, With ---'-I�,.--- .... �I V Access Manhole of T ._..._ ._. --- 395 .. .,.. ._ ---: i . _ -111 1--____-- . ... ------------ Q _....... - 8' DI 3B With ' _... ... .... ... .o .----. -- 390 z . _. �... ..._ _.__ _r -_ .l 390 Access Manhole 385385 EX..:Gra.:.._` z .f ,r r 390 ...... : _..._ _ ....... 7 7 93 0 _LF 7-....607. HDPE t a-i� g ::............. d Weir Plate ; •: i i X " See Detail - _ _ _.. 380 _ I LF 60HDPE IAcc93 ess Stair (typ.)this A` page _ I Detention Pipe SEE DETAIL __._.. { 375 __, 0 __.__.._.._..___._........... ..... . ,. _..._ ...__.._...__.__ _.. _...__ Sta..10+00 _. 38038 :. I_. __: - - - __ , y .s x z \- 60" HDPE Tee With Access Manhole 57 ,GRAVEL BEDDING 375 .....___._Culv_ert. Out .. . _ .. ___._..._..._ _. a _....... _ . See Profile Below Via 8 B' _T Top - - - -HDPE Cap 60 HQPE Tee 375 With Access Manhole ; Via 8-Dl--3B--Top _._. 00 I. - - CO.- _ �9_.... ... ... ......................_ 370 10+75 11+00 400 } ...... _. _... CULVERT P2 --. m(oa� - o .__ .. _........ .. Ter -- - - 400 - 1400 ;CULVERT �»� ir, I. MCD; JO -::DETENTION of d ... ...: (D .. .....! ... .... �I V 395 of T ._..._ ._. --- 395 .. .,.. ._ ---: i . _ -111 1--____-- . ... ------------ Q _....... ... .._ t _... ... .... ... .o .----. -- 390 z . _. �... ..._ . z m..,_ _._ _r -_ .l 390 _............ __. ...... .__-_.... 385 .......... .. .... _ EX..:Gra.:.._` z 385 390 ...... : _..._ _ ....... 7 7 93 0 _LF 7-....607. HDPE 385 s - ::............. o i SEE DETAIL 380 X _ - _ _ _.. 380 93.0 LF. 60_. HDPE 380 6b.015.--- - _ _ OO :HDPE @1-:-70% SEE DETAIL __._.. { 375 __, __. ,. _..._ ...__.._...__.__ _.. _...__ _...i375 X O I_. __: - - - __ _ = 370 U ...... .u. _., - � _m 370 - - - F z iO f m I Z - z , N C m O o 2 SWM CULVERT P2 PROFILE C7 VERTICAL: 1 "=10' HORIZONTAL: 1 "=20' 400 --- --------------------- -,... -- P3. ----- _....,_. _v _ o .__ .. _........ .. ------ m _ ----------------- N-) _, .. - - 1400 ;CULVERT �»� ir, : MCD; i� FROM DETEN:TION ... ...: (D .. .....! fi �I V i of _ W 395 {...._ .. _ o -4- ---: _ .00 -.¢ - - ----- -- --------395 l - _ �CD _. d.. z CnLIJ_ 390 ...... : _..._ _ ....... 7 7 ; 390 385 s - ::............. o 385 X a� v 93.0 LF. 60_. HDPE 380 _ OO SEE DETAIL __._.. 3 380 U) .� X O 9- = U 375', _.: ...... .u. _., - � HDPE __... . m o Q L N C m O o ..... O o_ 370 -- cn I i _� _ ). :3370 Q U z\ _�77 Ci CJ Cl Sc � CD d C7 to amiLU o C1 z i. z � 9+5"0 _ -. .........._ __._. _... 10+00 _ .... _...�., _. ......_ ...., .,.. _ 10+50._.....� -. .�.___.... _.. . 11+00 SWM CULVERT P3 PROFILE ._... .._ ........ VERTICAL: 1"=10' HORIZONTAL 1 "=20' LD -204 Stormwater Inlet Computations - 2300 Hunter's Way Inlets on Grade Only Sag Inlets Only L v (D _ Z Q(DU o (n X a� v OO U) .� X O 9- = U (D U m o Q L N C m O o __ O o_ cn U U 01 Q U Ci CJ Cl Sc � CD d C7 to amiLU o C1 CJ U J 1 2 3 4 5 6 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 (ft) (ac) (in/hr) (cfs) (cfs) (cfs) ('1') ('!') ('!') (ft) (ft) (cfs) (cfs) (ft) (ft) (ft) (ft) S1 DI -3B 8 0.16 0.84 0.13 7.5 1.008 - 1.008 0.016 0.03 0.030 - 4.57 0.137 88.0% 0.887 0.121 8 0.16 0.84 0.13 4.0 0.538 - 0.538 0.016 0.03 0.030 - 3.61 0.108 100.0% 0.538 0.000 S2 DI -3B 8 0.13 0.90 0.12 7.5 0.878 - 0.878 0.016 0.03 0.030 - 4.34 0.130 91.7% 0.805 0.073 8 0.13 0.90 0.12 4.0 0.468 - 0.468 0.016 0.03 0.030 3.42 0.103 100.0% 0.468 0.000 S3 SB DI -3C 10 0.36 0.87 0.31 7.5 2.349 1 - 2.543 0.016 0.03 0.030 1 1 0.23 0.5 0.46 7.69 18 10 0.36 0.87 0.31 4.0 1.253 - 1.253 0.016 0.03 1 0.030 1 - 0.143 1 0.5 0.29 4.78 1 18 *Culvert Out from S3 is 15" CMP with Capacity= 8.43 cfs *S1 And S2 Bypass Flows included in Inlet Calculation 4 VDOT INLET CALCULATION SPREADSHEET C7 NOT TO SCALE \ CP _ 60" HDPE TEE B/W RUNS 1 & 2 1` 15" CULVER� IN 25.0' G A IDTH RU Y1 RUNS RUN 2 x �60" HDPr TEE 98.2' GRAVEL LENGTH ^� ACCESS i L ► STAIR sNO TEE B/W -RUNS 2 & 3 RUM 2 INTO DI -3B \, STRUCTURE _ WEIR PLATE LOCATION CULVERT OUT iDET_ENTION PIPE PLAN DETAIL C Scale: Pre -Cast 8' DI -3B Top W. MH -1 over Prop Grade x . 386.80rri�r�i_' Ex. Grade I 5" Orifice w. Plate Top Trash Rack _ 382.00 Inv. 380.40 A�Vr Z50 -YR WSE 383.11 - - - - - - 0 10 -YR WSE 381.96 2.5' ' ' r '• 2.5' 5.0' 2.5' - 1 -YR WSE 380.23 RUN 3 _Invert 378.20 -------- I 3" Orifice w. Trash Rack Inv. 378.2 Solid Weir Plate 6 DETENTION PIPE CROSS-SECTION C7 Scale: 1 =5 i o 0 0 W LO 0 I 0 N Z N W W Z_ � 0 z W W d Z � 0 V) 1 I 7t�q� N W j W . _j V)J V) > z In CT, W :20 W _j� W NN 0 O S JU ' M. SHIMP Ile. 4� 1.83 �ISSIOlNAL Date 08/18/2016 Scale N / A Sheet No. C7 OF 7 File No. 16.003