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HomeMy WebLinkAboutWPO201800088 Plan - E&S Erosion Control Plan 2019-07-18'V"5MF MAJOR AMENDMENT PLAN ffOR EXIST- NEW 101TC x 125 TC TOP CE CURD ELEVATION i6o x 125 SPOT ELEVATION 1 eTw x 125 TW TOP OF WALL ELEVATION 165BW x 12BW BOTTOM OF WALL ELEVATION BENCHMARK STORM SEWER R6 ROOF DRAIN SEWER LINE WATER LINE - --- GAS OAS LINE s -- GHE OVERHEAD ELECTRIC WIRE a� UGE UNDERGROUND ELECTRIC err OHT OVERHEAD TELEPHONE LINE �- air UGT UNDERGROUND TELEPHONE LINE DRAIN INLET (DI) STORM/SANITARY MANHOLE E E PLUG w 'V WATER VALVE & BOX FIRE HYDRANT WATER METER LIGHT POLE -- UTILITY POLE PROPERTY LINE - - - ® ADJACENT PROPERTY LINE VACATED PROPERTY LINE BUILDING SETBACK PARKING SETBACK -m-� --- SANITARY EASEMENT GRADING EASEMENT DRAINAGE EASEMENT UTILITY EASEMENT .-. WATER EASEMENT ACCESS EASEMENT - STORM DRAINAGE EASEMENT TREE LINE - -- FENCE STREAM °, .. CONCRETE PAVEMENT / SIDEWALK P. o RIPRAP may.. tt ' ASPHALT �yWyyyy GRASS EC-2 MATTING EC-3 MATTING WETLAND 20 is PARKING COUNT CROSSWALK HANDICAP ACCESSIBLE AISLE /F-I\ CG-12 HANDICAP PARKING NOTE: 1. THE SIZE OF THE SYMBOLS MAY VARY FROM WHAT IS SHOWN. a, ANboom"%, Tu VICINITY MAP SCALE: 111119M1,000- C I - COMER SHEET C2 - EXISTING CONDITIONS C - SITE LAYOUT C4 - UTILITY FLAN CS - GOADING PLAN CG - EROSION CONTROL NARRATIVE C`i - ESCP PHASE I -- EX. MASS GRADING C8 - ESCP PRASE 2 - MASS GRADING C - ESCP PHASE 3 -- GENERAL CONSTRUCTION C 10 - EROSION CONTROL DETAILS CI i - STORM SEWf-R FROl~ILES C 12 - S WM D ETA I LS C 13 - DETENTION DETAILS PANTOPS CORNER LC PANTOPS LC 12704 CRIMSON CT STE. 101 12704 CRIMSON CT STE. 101 HENRICO VA, 23233 HENRICO VA, 23233 LEGAL REFERENCE: DB 4358 PG 684 ZONING: TMP 78-5A, 58 HC - HIGHWAY COMMERCIAL, EC - ENTRANCE CORRIDOR TMP 78-58G1 HC - HIGHWAY COMMERCIAL, EC - ENTRANCE CORRIDOR PER APPROVED APPLICATION PLAN. ZMA 2013-00002. SOURCE OF BOUNDARY & TOPO BOUNDARY & TOPOGRAPHIC SURVEY INFORMATION FROM FIELD SURVEY PROVIDED BY ROGER A RAY & ASSOCIATES, INC. ON MARCH 23, 2018, FIELD VERIFIED BY SHIMP ENGINEERING, P.C. (11/21/18). BENCHMARK(S): NAVD88, NAD83 VA STATE PLANE SOUTH EXISTING USE VACANT LOTS PROPOSED USE NEW HOTEL, GAS STATION, RETAIL OUTPARCELS, AND PROFFERED ACCESS ROAD FLOOD ZONE ACCORDING TO THE FEMA FLOOD INSURANCE RATE MAP, EFFECTIVE DATE FEBRUARY 4, 2005 (COMMUNITY PANEL 51003CO287D), PORTIONS OF THIS PROPERTY LIE WITHIN THE ZONE AE '100-YEAR FLOOD PLAIN. CONCURRENT PLANS Plans which require VSMP plan approval: SDP 201900013, SDP 201900008, SDP 201800089, SUB 201900024 APPROVED by tin Ait3em€irle CoLmly CommurAty Dp V_PPI�0a1 Trr ment Date File STEEP SLOPES ALL ONSiTE MANAGED & PRESERVED SLOPES ARE SHOWN. THIS SITE LIES WITHIN THE UPPER RIVANNA RIVER WATERSHED. THIS SITE IS NOT WITHIN A WATERSHED OF A PUBLIC WATER SUPPLY. LAND USE SCHEDULE ONSITE AREA: EXISTING AREA - IMPERVIOUS 11,744 SF 4.0% OPEN SPACE 278.940 SF 96.0% TOTAL= 290,684 SF (6.67 AC.) PROPOSED AREA % NEW IMPERVIOUS 222,792 SF 76.7% OPEN SPACE 67,892 SF 23.3% TOTAL= 290,684 SF (6.67 AC.) OFFSITE AREA (ROW IMPROVEMENTS): EXISTING AREA OPEN SPACE 6,520 SF 100.0% TOTAL-- 6,250 SF (0.15 AC.) PROPOSED AREA % NEW IMPERVIOUS 4,945 SF 79.1% OPEN SPACE 1,305 SF 20.9% TOTAL= 6,250 SF (0.15 AC.) TOTAL AREA OF DEVELOPMENT PROPOSED AREA % NEW IMPERVIOUS 5.23 AC 76.7% OPEN SPACE 1.59 AC 23.3% TOTAL= 6.82 AC (0.15 AC.) AREA OF DEVELOPMENT = 6.82 ACRES LiMITS OF DISTURBANCE = 7.25 ACRES 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 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 supplernentary 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 ai-eds- are to dFairi to approved sediment control measures at all times during land disturbing activities and during site d€Velapment until final stdbil4dition is achieved. 8. During dewatering operations, water will be pumped into an approved filtering device. 9. The contractor shall inspect all erosion control measures periodically and after each runoff producing rainfall event. Any necessary repairs or cleanup to maintain the effectiveness of the erosion control devices shall be made immediately. 10. All fill material to be taken from an approved, designated borrow area. 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 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 mariner that maintains lateral support, or order to minimize any hazard to persons, physical damage to adjacent land and improvements, and damage to any public street because 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 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 Ibs/acre, and in the months of September to February to consist a 60/50 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. Fertilizer shall be applied at 1000lbs/acre and consist of a 10--20-10 nutrient mix. Permanent seeding shall be applied at 180lbs/acre and consist of 95% Kentucky 31 or Tall Fescue and 0-5% 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 the wet storage volume is filled with sediment. All seeded areas are to be reseeded when necessary to achieve a good stand of gross. 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 17-2078) 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 W required when in the opinion of the County Engineer, or designee, it is deemed necessary in order to stabilize a drainage channel. T 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 Ili. 9. All excavation for underground pipe installation must comply with OSHA Standards for the Construction Industry (29 CFR Part 1926). JUST IMF Lic V. o/.4)5183 7211 41;�SSICNAL _� tam cam. CURVE 40 17 14 58 DELTA RADIUS ARC TANGENT CHORD CHORD BEARING C1 57'40'35" 220.00 221.46 121.14 212.23 S43'35'10"E C2 15'05'31 220.00 57.95 29.14 57.78 S07°12'07"E C3 1 '12'01 " 139 29 " LINE BEARING DISTANCE L1 S72'25'28"E 37.99' L2 N89'36'59"W 17.96' L3 N00°01'00"E 3.45' 1 4 S89'2511011W 27 07' Im-,sr, 2. 29.17 N 34 3o 56 r_ TM P 78-6 L5 N54°58'43"E 20.22' MALLOY VII— �, , , P 78-5K , " , ----- L6 N57'0220 E ETTOR, DAMES OR 1.7� RICHMOND RD LLC P 'GY � DB 3713 PG 41 DB 5090 PG 504 APPROX. LOCATION 17' I UTILITY ESMT FOR VEPCO im 15 TEM GRADING ESMT ACSA � WY.P �•XB9 D•B2�1:{RU 19 } t � f. DB 4453 PG 473-486 ! / ! APPROX. LO/QATION 16°5' , MT 'a FOR AMER�AN TELEP E 8c } \ \ s t I + \ \ \ \X �1, % / / ,_;" t 4 \\\ \ Q LIMITS OF DISTURBANCE I TELEGRAPH co.O� , } , I ( P [� !^� yy (per 'R 'T _ `>y.�e =F:a YlY�f"•".: �.. ,�•a-�dt'.{; ��,J.I.�V—°✓ 1 now 1 0 YR OODP , rye :!e :: _ `'' a°t . J / \ \ \ (S- I -sir "ITT\ �+ v,� i i i - ! 'S - / •:f.: j`:'`•°0` i` �' \ /1'� l—T•--i T-i�' -Its H. _lmm-i -._.fit --+ ,..'-r- i 1 _ \ `•''.• ''•.,. _ y� [b ,- P{e, f-s.-Ef 'y� fi✓` ..�.L_ �" Jam fl /l j f — �~ '\ `. 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LuLo� \ � ���� >�Eq CA e CL TOP-993.6 O INV, f PROX :2 389.1 \ 'RP T 1 SOIL TYPE BOUNDARY (NOTE: ALL SOILS HSG B) OVERLAND FLOW DIRECTION t1' o Y� u JUS IMP > 40 0 40 80 120 "aw _W -WN will 221111MVE "."flow - I In N I PROJECT DESCRIPTION THIS SITE IS VACANT LOTS AT THE INTERSECTION OF RTE 250 & RT 20 IN ALBEMARLE COUNTY BEING DEVELOPED INTO COMMERCIAL SERVICE FACILITES. THE DEVELOPMENT AREA (ONSITE AREA + IMPROVEMENTS WITHIN THE ROW) IS 6.82 ACRES. THE LIMITS OF DISTURBANCE IS 7.25 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 PLACEMENT OF FILL SHALL BE IN GENERAL ACCORDANCE WITH THE PLAN. 4. ESTABLISHMENT OF PERMANENT STABILIZATION OF ALL DISTURBED AREAS. EXISTING SITE CC}N_DITIONS THE EXISTING SITE IS CLEARED AND VACANT AND HAS A CURRENT GRADING PERMIT. ADJACENT.PRQPERTIE THIS PROPERTY IS BORDERED TO THE NORTH AND SOUTH BY EXISTING STREETS. TO THE EAST AND WEST ARE AUTO DEALERSHIPS. OFFSITE AREAS: SOIL SHALL NEED TO BE EXPORTED TO THE SITE TO SITES WHICH SHALT_ HAVE EROSION CONTROL PERMITS. SOILS THE SITE CONTAINS THE FOLLOWING SOIL TYPES: 12C - CATOCTIN SILT LOAM - 7 TO 15% SLOPES, HSG B 12D - CATOCTIN SILT LOAM - 15 TO 25% SLOPES, HSG B 23B - DAVIDSON CLAY LOAM - 2 TO 7% SLOPES, HSG B 27C - DAVIDSON CLAY LOAM - 7 TO 15% SLOPES, HSG B 88 - UDORTHENTS, LOAMY - 2 TO 257. SLOPES, HSG B CRITICAL AREAS THE CRITICAL AREAS ON THE SITE ARE THE MANAGED AND PRESERVED SLOPES. CARE SHALL BE TAKEN TO CONTROL EROSION IN THESE AREAS. EROSION & SEDIMENT CONTROLS 1. SAFETY FENCE: A PROTECTIVE BARRIER INSTALLED TO PROHIBIT UNDESIRABLE USE OF AN EROSION CONTROL MEASURE. STD. AND SPEC. 3.01, 2. CONSTRUCTION _ENTRA_NINSTALL 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. 3. 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. 4. TEMPORARY __SEDIMENT TRAP: A SMALL PONDING AREA, FORMED BY CONSTRUCTING AN EARTHEN EMBANKMENT WITH A STONE OUTLET ACROSS A DRAINAGE SWALE, TO DETAIN SEDIMENT -LADEN RUNOFF FROM SMALL DISTURBED AREAS FOR ENOUGH TIME TO ALLOW MOST OF THE SUSPENDED SOLIDS TO SETTLE OUT. MAXIMUM EFFECTIVE LIFE IS 18 MONTHS. STD. AND SPEC. 3.13. TO BE CONVERTED INTO A PERMANENT DETENTION POND AT THE END OF CONSTRUCTION AS DETAILED. 5. T MPORARY DIVERSLON DIKE: A RIDGE OF COMPACTED SOIL CONSTRUCTED AT THE TOP OR BASE OF A SLOPING DISTURBED AREA WHICH DIVERTS SEDIMENT -LADEN RUNOFF TO A SEDIMENT TRAPPING STRUCTURE. MAXIMUM EFFECTIVE LIFE IS 18 MONTHS. STD. AND SPEC, 3.09. 111E CLEANWATER DIVERSIONS WILL BE MADE STABLE BY THE USE OF VDOT LD-268 DESIGN STANDARDS. 6. 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 THAN 14 DAYS. TEMPORARY SEEDING SHALL BE APPLIED IN CONFORMANCE NTH STD. AND SPEC, 131. 7. 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. 8. 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 EFFECTIVE. 9. DUST CONTROL: CONDUCT DUST CONTROL OPERATIONS NECESSARY TO MET THE REQUIREMENTS OF STD. & SPEC. 3.39 AS REQUIRED TO CONTROL SURFACE AND AIRBORNE MOVEMENT OF DUST. 1O, INLET PROTECTION: INLET PROTECTION MEASURES AROUNF THE NEW INLETS SHALL BE PROVIDED IN ACCORDANCE WITH STD. AND SPEC. 3.07. SILT FENCE, STRAW BALES OR TEMPORARY STONE APPLICATIONS SHALL BE APPLIED AS APPROPRIATE FOR CURRENT GRADE CONDITIONS. 11.OUTLET PROTECTION: RIP -RAP SHALL BE PROVIDED AT THE OUTFALL OF CONVEYANCE CHANNELS, CULVERTS, AND STORM SEWERS IN CONFORMANCE WITH STD. AND SPEC. 3.18. OUTLET PROTECTION SHALL BE INSTALLED WITH ACCOMPANYING STORM SEWERS AND SHALL BE INSPECTED AFTER EACH RAINFALL EVENT AND REPAIRED IF NECESSARY. ANT SEDIMENT BUILD UP SHALL BE REMOVED, PERMANENT STABILIZATION AND SEQUENCE OF CONSTRUCTION THE FOLLOWING ARE THE PROPOSED MANAGEMENT STRATEGIES AND DETAILED SEQUENCE OF CONSTRUCTION. - STAGE 1 1. INSTALL CONSTRUCTION ENTRANCE OFF RTE 20. TRUCKS SHALL BE CLEANED PRIOR TO LEAVING SITE, 2. ADD RIP -RAP TO SITE OUTFALL NEAR STREAM. INSTALL SILT FENCE, DIVERSIONS, AND SEDIMENT TRAPS. STAGE 2 CONTACT THE ENGINEER AND ALBEMARLE COUNTY FOR INSPECTION AND APPROVAL OF ALL E&S CONTROL MEASURES. STAGE 3 1. UPON APPROVAL OF E&S CONTROL MEASURES, BEGIN SITE WORK. 2. INSTALL UTILITIES AND COMPLETE MASS GRADING. MAINTAIN SEDIMENT TRAPS UNTIL GRADING IS COMPLETE. TRAPS SHOULD REMAIN UNTIL DETENTION PIPES ARE INSTALLED. 3. INSTALL ADDITIONAL CONTROL MEASURES AS SHOWN ON SHEET C8. 4. MAINTAIN PERIMETER CONTROLS UNTIL ROAD CONSTRUCTION IS COMPLETED AND SITE HAS ACHIEVED TEMPORARY STABILIZATION. STAGE 4 1. AS AREAS ARE BROUGHT TO GRADE, APPLY MULCHING, TEMPORARY SEEDING AND PERMANENT SEEDING. 2. ESTABLISH AND MAINTAIN PERMANENT STABILIZATION, INCLUDING VEGETATION OF ALL SLOPES AND GRASSED AREAS. 3. WHEN SITE HAS REACHED STABILIZATION, CONTACT ALBEMARLE COUNTY INSPECTOR TO PERFORM FINAL INSPECTION. 4. WHEN INSPECTOR HAS GRANTED APPROVAL, REMOVE PERIMETER CONTROLS. CONSTRUCTION- "AAINTENANCE 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. GENERATES 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. STORMWATER MANAGEMENT NARRATIVE: 1, ALL CONCENTRATED ONSITE RUNOFF SHALL BE ROUTED INTO CHANNELS AT RATES THAT COMPLY WITH VA TYPE 11C SWM REULATIONS AS THE SITE IS GRANDFATHERED INTO A TYPE IIC SWM PERMIT. 2. WATER QUANTITY IS ADDRESSED PER 9VAC25-870-97&98 (TYPE IIC REGS). AT EACH POINT OF ANALYSIS, THE POSTDEVELOPMENT 2-YR AND 10-YR PEAK RUNOFF IS LESS THAN THE PREDEV PEAK RUNOFF. 3. WATER QUALITY WILL BE ADDRESSED PER 9VAC25-870-96 (TYPE IIC REDS) WITH THE PURCHASE OF 8.49 LEIS OF PHOSPHOROUS NUTRIENT CREDITS TO SATISFY THE NUTRIENT LOAD REDUCTION AS SET FORTH BY THE DEQ IN THE VIRGINIA STORMWATER MANAGEMENT PROGRAM. 4. STORM SEWER ON TM 78-5A TO BE DESIGNED UNDER WAWA SITE PLAN. THIS VSMP PLAN COVERS THE CONVEYANCE AND TREATMENT OF RUNOFF FROM PARCEL TM 78-5A BUT NOT THE STORM SEWER DESIGN WITHIN THIS PARCEL. UNDERGROUND DETENTION MAINTENANCE NOTES 1. INSPECT THE 3 TRASH SCREENS AT DETENTION INLET AREAS TWICE PER YEAR, IN THE SUMMER AND IN THE WINTER. CLEAN OUT DEBRIS WITH VAC -TRUCK DURING INSPECTION. REPAIR SCREENS IF NEEDED. 2. INSPECT WEIR PLATE ORIFICES, TRASH RACKS, AND WELDS ANNUALLY. REMEDY ANY CLOGS OR FAILURES, AND REPLACE ORIFICE TRASH RACKS IF NEEDED. 3. INSPECT GENERAL SYSTEM DEBRIS ACCUMULATION ONCE EVERY 2 YEARS. IF DEBRIS OR SEDIMENT IS NOTICED, CLEAN OUT SYSTEM WITH A VAC -TRUCK USING ACCESS RISERS. 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 14 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 RUNOFF DOWN CUT OR FILL SLOPES: Concentrated runoff shall not flow down out 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 protected so that sediment -laden water cannot enter the conveyance system without first being filtered or otherwise treated to remove sediment. 11. STABILIZATION OF OUTLETS: Before 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 backfiiling 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. P`�� JUS I pM. SKIMP ��x�W.IONAL�� \y FfbE[3,�-o CABLE All, k% z 'v //�A�KER gp/ z A 0 N -ul It M P� WIN OOM x 0 MEN= Effm mom, 420 w I �51 P 4� IsiM Jr n /cess y to utf 0 x 44 U ol Ir mm MM mw�\=N L\ FLO 4A 714 251�p -7- 10 EM RC NCY �SPI L Y T/�rnp C'm ID BASE CulverA 'See etall I CD 1 411 ' + 11 , 1 \ \ \\ \ \ \ \ \ �` \ / / i i I J+ I 1\0 P 01t Tr 1 1 I V-L 1 S 1 �LE T6CM u N 400 =11.35 u D k \A 345�O INIV A 40�54 INV ---�5540�40 lie\ CD 00 TS\,, X11, & A/ D C Ilk 4V 390 A� 60 �0, T,% 7M3 urkvg 0 ka Rg gs, -7 1AP — — -- — — — — — - mm AAM 0 ft N PV�-g 3P Signs r I AZARDOUS i% AREA K ®UT shall be-mom. P und the S e Fence -a"= M mom= N N NNW* 0 NOW CMP Te P 0 u rt c n S FIC, N, Omgg Coverw ----------- AV - - - - - - - - - - FOP-350A2 INV IN=347-39 INV V 0UT=-34&53 EM RG N( ISPI L Y f t Li I u I I 117 Al ell 0 4-1 j J E 4-P -X-X- PWOR UA t, 71 0 A 'PS + I ftSB-1: PHASE 1 GRADING liffif f + X A 2 ST-1: PHASE 1 GRADING SOILS LEGEND 12D — Catoctin Silt Loom 15 to 25% Slopes 23B — Davidson Clay Loom 2 to 7% Slopes 23B — Davidson Clay Loom 7 to 15% Slopes 88 — Udorthents, loamy U) W -4- 4- E E E E 0 0 0 0 rh (u M 0 0 ii 0 0 Z ry a) eq A 041 S Ln Cc CD C) OTE: GRADING & E&S CONTROLS SHOWN PER 2014 APPROVED MASS GRADING -AN WPO 201400028 & VAR10E170, WITH CURRENT FIELD REVISIONS. to SOIL EROSION & SEDIMENT CONTROL SYMBOLS SYMBOL N 0. TITLE KEY -D— 3.01 SAFETY FENCE -02 CONSTRUCTION ENTRANCE CE 3.03 CONSTRUCTION ROAD STABILIZATION CR x —x —X —x 3.05 SILT FENCE SF 3.09 TEMPORARY DIVERSION DIKE DD [DRAWN TO SCALE] 3.13 TEMPORARY SEDIMENT TRAP ST [DRAWN TO SCALE] 3.14 TEMPORARY SEDIMENT BASIN SB 3.18 OUTLET PROTECTION OP 3.31 TEMPORARY SEEDING TS 3.32 PERMANENT SEEDING PS 3.35 MULCH MU 3.39 DUST CONTROL DC SOIL DIVIDE DRAINAGE DIVIDE LIMITS OF DISTURBANCE - - - - - - - - - - - - - EXISTING CONTOUR PROPOSED CONTOUR SEQUENCE OF CONSTRUCTION ® PHASE 2 RICHMOND RD LLC :)GY 1. INSTALL CONSTRUCTION ENTRANCE OFF OLD LYNCHBURG RD. TRUCKS SHALL Cq DB 5090 PG 504 BE CLEANED PRIOR TO LEAVING SITE. Cq *-, 2. ADD RIP -RAP TO SITE OUTFALL NEAR STREAM. INSTALL SILT FENCE, DIVERSION, AND SEDIMENT TRAPS AS SHOWN ON THIS SHEET. ,f j Z 3. CONTACT THE ENGINEER AND ALBEMARLE COUNTY FOR INSPECTION AND ' 0 j "R DIN'Gi, EMT APPROVAL OF ALL E&S CONTROL MEASURES, T 5f T r4 OF UA 4. UPON APPROVAL OF E&S CONTROL MEASURES, BEGIN SITE WORK. 2� *. G -� WPROVE EXZ 16.5' EST 13� 4553 F`0­473' 486 14�_RAP _j --- Z A kQ'�. VOCATION LIMITS D 01 DISTURBANCE 5. MAINTAIN PERIMETER CONTROLS DURING CONSTRUCTION. WITH CLASS I RIP -RAP. M klcA�/ TELE*0NE R Al L F� 7mm T Miff I MIN WIDTH=20' dG A H 60. F VA Iwo \�ww mgm I Imm T—mm I? MIN. DEPTH =12" B}986--'t3 , / / / , 420 000 /7 -7, 1470, E G E T/ A T/I 0, N --400 Or /DISTUF AT&f FLAG 90— /6 — — — — — — — — — — — — — < --400— YETECTIOP < 4�CEP PER SONAR/ w A IN?T PROVIpt EC­�2 IJR X MATTING WH E i TRAP D,k DIVERSION ENYERS t 1 \ ` \ ! / i \ \ _ \ i \ t i I I \_ SEDIMENT (`RAP 'RI .47 UT=3, BE MjVED op GNITO ' ' 41 6 F LASS Al 1-100 27.0- 25 "TRAP 2 JUSTIN SHIMP ;;lw Lie. 4-183 351\47 j E 0* DRAINAG Ik TRAP D.A. .3' N \AT&\T F f 9 N p j 11 � ) 'SIO p j 0' ' E\ PR FUTURE I NI, FUTURE CURB AREX�2.90 AG 0 "IN PROVIDE,`EC-2 I(T AP2' MATTING WHERE TRAP 1 Ob, (VERSION ENTERS +Z.0 DRAINAGE SEDIMEN TRAP D1_* AREA® 2.80 AC ' ! I ! i _ Top=s,�.kB.o INV \ \ \ 1 / I I ` t 1 ., 5.4 MV IN-6340T UT=ShO 40 N f\,-14' DI-3B TBR ro IN\/\kPPROX V) WT Fl_�G yj rn co -7'DEE E SOIAR N �3 PIC ION C) E E E FUTURE CURB E E E DD UTURE CURB% 380—'t r5 AT&T FLAG 8' DEEP PER SONAR Rr T E IL I To VED V) rECT1ON U —go— VIDE EC-2 I I - - MA G WHERE c2 c_n �2 "m MEMO ITS �BA �3 9 6� DIVERS ENTERS CS C) c, 3 C14 C14 04 C'I WET om SEDIMENT RAP 0 4,5 J LO co C) (D C -TRAP 1 CUT SLOPE TO 110.0, jyo. _X_,ya (Xx DRAIWTIV_E�WN 2 0 z i� w w z w z I- V) 0 N V) w 0 _j 0 D.A. -37 4 5 5') k 1 u "' TO TRAP -17 r N, 7b 41%, _�_3 a7B TRAM �� - Q�) _,�e \ \ \ \ \ \ \ \ I" " _L AT&T FLAG _�_�378 f��38u X -<y 1AJ_1 8' 'DEEP PER SONAR '50Z , - __. BWE 62.8' DD w 39 ',,L)E I L - - - - - - - - - - - - < DD An \S -370— fall I who 380— \4 T— p (3 z \san Tt 360.4; I'm CLASS 0 -RAP RIP IN-3y.39 INV 1, " - 46,53 \ , - - - 1 0 FT w.� - - __ -FUTURE -,WPTH=9' CURB j\ Lh -370 NNI 6, RIP -RAP kAITS 11C IN, LL0-1 DISTURBAN SWALE TO - a EX. PIPE `his .-\ [3-11 I mw I now I I a—mm" I I I I @"m I I I I WIN 4 SOIL EROSION & SEDIMENT CONTROL SYMBOLS v ', N""A P. CONSTRUCTION ES T MT SYMBOL NO. TITLE KEY DB 5147 PG 228 `° \ fi \ STAGING AND ("A I P` N� STOCKPILE AREA T 7 - 5 C SiABILIZE1. WI�H_ FLy MA CTONI GRAVEL R I ITT L L 3.02 PAVED CONSTRUCTION ENTRANCE PCE 8- PC DB L 3.03 CONSTRUCTION ROAD STABILIZATION CRS VACANT BUILDING —X —X —X —X 3.05 SILT FENCE SF LL _j u�, 3.09 TEMPORARY DIVERSION DIKE It z A4 3 SAFETY FENCE 9 3. 10 �A g -3[DRAWN TO SCALE] @ 60— 3.13 TEMPORARY SEDIMENT TRAP (L w M.H. 3.31 TEMPORARY SEEDING TSLu 3 _j 3.32 PERMANENT SEEDING INDING > ...... RIVER 3.35 MULCH Date WAR, n LANE lk A 11/30/2018 3.39 DUST CONTROL Scale TREE PROTECTION FENCING — 30 0 30 60 90 1 IP T FIBER-OPTIC 1 -3 0) ',IA scale: 1"=30' CABLE V�-W "' I I I I LIMITS OF DISTURBANCE: 4.00 AC Sheet No. MARKER Ev N. C8 OF 13 SEDIMENT TRAP DRAINAGE AREA File No. 12.025 I mam I I MAN I 4 N INDING RIVER LANE TM P, 7 —5c FLOW 12\8 STONY POINT LLC DB 5147\ G 228 LA < A I M,H. I p r-- 'k fpjl IP SOIL EROSION & SEDIMENT CONTROL SYMBOLS SYMBOL N 0. TITLE KEY 3.02 PAVED CONSTRUCTION ENTRANCE PCE 3.03 CONSTRUCTION ROAD STABILIZATION CRS 3.05 SILT FENCE SF 3.09 TEMPORARY DIVERSION DIKE DD P, P, 3.10 SAFETY FENCE SA [DRAWN TO SCALE] 3.13 TEMPORARY SEDIMENT TRAP ST 3.31 TEMPORARY SEEDING TS 3.32 PERMANENT SEEDING PS .35 3.35 MULCH MU 3.39 DUST CONTROL DC TREE PROTECTION FENCING LIMITS OF DISTURBANCE: 4.00 AC rile 1140. 12.025:1 3. ATTACH THE FILTER FABRIC TO THE WIRE FENCE AND EXTEND IT INTO THE TRENCH. nil FLOW 4. BACKFILL AND COMPACT THE EXCAVATED SOIL. EXTENSION OF FABRIC AND WIRE INTO THE TRENCH. A I H No. A B C (ft.) Z {ft.} Sediment Trap Design Weir DA Wet D1 Length Vol. (Acs (Req.) (ft.) Data Wet Vol, Cy (Prov.) Bottom SA (sq. ft.) Dry Val. (Req.) D2 (ft') Dry Vol. Cy (Prov.) Top SA (sq, ft.) 1 374.5 376.5 378.0 4.0 3.0 16.8 2.80 187.6 2.0 207.7 2530 187.6 1.5 195.5 3960 2 360.5 362.5 364.0 2.5 3.0 17.4 2.90 194.3 2.0 207.7 2530 194.3 1.5 195.5 3960 ORIGINAL GROUND E LIEV - EL=G Top Surface Area 1.0. 1 DRY STORAGE D2 FI 67 CU. YD./ACRE EL=B WET STORAGE 67 CU. YD./ACRE FILTER CLOTH ORIGINAL (EXCAVATED) &Rduwb EL=A Bottom Surface Area ELEV. *SEE PLATE 3.13-1 COARSE AGGREGATE CLASS I RIPPAP CROSS SECTION OF OUTLET CLASS I RIPRAP LENGTH (IN FED) 5 X DRAINAGE AREA (IN AC.) DIVERSION DIKE NFA�=07 GRAVEL CURB INLET SEDIMENT FILTER ------------------------- SPECIFIC APPLICATION 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 VDOT #3, #357 OR 6 COARSE AGGREGATE, RX01112MINUTA AM= PERSPECTIVE VIEW PLASTIC FENCE SOURCE: CONWED PLASTICS VDOT ROAD AND BRIDGE STANDARDS VA. DSWC xg 10 _1141 {ill l ill WIRE FAMIG LINE KY57 tilt r•I Ili 10' MAX till GROUND LINE GONOREYE BRACING FOOTING PERSPECTIVE VIEW METAL FENCE WSAFTLY FEIN t Z-A__ C1 PLATE. 3.1 ­1 1992 1 1.35 TABLE 3-35-A, ORGANIC MFULCH MATERULS AND APPLICATION RATES RAIES.; MULCIMS: NOTES: Per Acre Per 1000 sq. ft. Straw or Hay Ik - 2 tons 70 - 90 lbs. Free ftom-, weeds and coarse (Minimum 2 matter, Must be anchored. tons for spread with mulch blower winter cover) or by haiw& Fiber Mulch MWimum 35 lbs. Do not use as inulch for 1500 tbs, winter cover .ter during hot, d-Ty period&* Apply as slurry. Corn Stalks 4 - 6 tons 185 A 275 lbs. Cut or shredded, in 4-6" le n tbs. Air-dried. Do not .9 use in fine turf areas. Apply with mulch blower or by hand- WoodChips 4 -,6 toms 185 - 275 lbs. Free of coarse. matter. Air- dried. Treat with 12 lbs nitrogen per ton. Do not Ilse in fine turf areas. Apply with mulch blower, chip or by hand-_ Barhandler, Bark Chips rk 50 - 70 cu. 1-2 cu. yds. Free of coarse matter. Air - Chi' or yds. dried. Do not use in fine. Shredded nrcddc�' turf areas. Apply with Bark Bark mulch blower,. chip handler, or by hand. When fiber mulch is the only available, mulch during perio4s when straw should be used, apply at a millurnum rate of 20M lbs./ac. or 45 lbs./WOO sq. ft. Source: Va. D.SWC --- - ------ TABLE 3.39-A ADHESIVES USED FOR DUST CONTROL Water Application Dilution Type of Rate Adhesive (AdlLesive. Water) Nozzle Gallons/Acre Anionic Asphalt Emulsion 7:1 Coarse Spray 1,200 Latex Emulsion 12.5:1 Fine Spray 235 Resin in Water 4:1 Fine Spray 300 Acrylic Emulsion (Non -Traffic) Acrylic Emulsion (Traffic) 7:1 3.5:1 Coarse Spray 450 Coarse Spray 350 [a TABLE 3.31-C TEMpORARy SEEDING pLANT mATERIALS, SEEDING RATES, AND DATES SEEDING RATE Acre 1000 ft2 SPECIES OATS 3 bu, (up to 100 lbs., 2 lbs, (Av--a _-_fi_vaJ not less dim 50 lbs.) RyEd 2 bu. (up to 110 lbs., 2.5 lbs. (§gq& Cereal not less than 510 lbs.) GERMAN MILLET 50 lbs. approx. I lb. italic ANNUAL RYEGRASS' 60 lbs. I lbs. WEEPING 15 lbs. 51h ozs. LOVEGRASS (Era pro ta) stisu _au- KOREAN 25 lbs. approx. I 1h ESPEDEZ lbs. Sti W-Ulacm-) a Northern Piedmont and Mountain region. See PlateS' b Southern Piedmont and Coastal Plain. May be used as a cover crop With spring seeding. Inlay be used as a cover crop with fail seeding- X May be planted between these dates. - May ol be planted between these dates. NORTHa Soulub PLANT CHARACTERISTICS .3/1 511 8/15 2/I5 5/1 9/1 t tQ to to to to to 4130 8115 till 4/30 9/1 115 X X UW spring varieties Noble)- X X X X Use for late fall SeWiDgs, winter cover. Tolerates cold and low ruc.isture. X Warm-sea$On annual. Dies at first frost. May be added to su- raixes. X X X X may be added in mixes. Will mow out of most stands. X Wane season perennial. May bunch. Tolerates hot, dry slopes and acid, infertile soils. MaY be added to mixes. X X Warm season mrawl legume. Toleratesacid soils. May b.e, sued to Inixe& .22-1 and 3.22-2. TEMPORARY DIVERSION DIKE ,-.Compacted Soil min . n. ... -Flo ... If . ................. ........ .... ...... 4.5' min. 8 � DIVERSION DIKE (DID) PAVED CONSTRUCTION ENTRANUA SIELLBON ­ &t-A Ablininn W: M`;tap of ems a et W n IJ h b64, A hich"111tv-1 6 t 4 - ii, i a 45 7, hl �,.ah di Rt I � AQ [Itoitstorm7:t Of 'w" PAVI. SR MkPAVED CONSTRUCTION ENTRAN at To i 0 PERMANENT SEEDING SPECIFICATIONS. February 16 through April 30: Kentucky 31 Fescue - 128 lbs/acre; Red Top Grass - 2 lbs/acre; Annual Rye - 20 lbs/acre. May 1 through August 15: Kentucky 31 Fescue - 128 lbs/acre; Red Top Gross - 2 lbs/acre; Foxtail Millet - 20 Ibs/acre. August 16 through October 31: Kentucky 31 Fescue - 128 lbs/acre; Red Top Gross - 2 lbs/acre; Annual Rye - 20 lbs/acre. November 1 through February 15: Kentucky 31 Fescue - 128 lbs/acre; Red Top Gross - 2 lbs/acre; Winter Rye - 20 lbs/acre. MULCHING SPECIFICATIONS: Straw or hay at a rate of 2 tons/acre. Must be anchored. Spread with mulch blower or by hand. LIME AND FERTILIZER SPECIFICATIONS: Lime and fertilizer needs should be determined by soil tests. Soil tests may be preformed by the Cooperative Extension Service Soil Testing Laboratory at VPI&SU, or by a reputable commercial laboratory. Information concerning the State Soil Testing Laboratory is available from CITY Extension Agents. Under unusual conditions where it is not possible to obtain a soil test, the following soil amendments will be applied: For Permanent Seeding: Seeded areas shall be limed at a rate of 2 tons per acre, and fertilized at a rate of 1,000 lbs. per acre of 10-20-10 (10 lbs. per 1,000 square feet) or equivalent. For Temporary Seeding: Seeded areas shall be limed at a rate of 2 tons per acre, and fertilized at a rate of 600 lbs. per acre of 10-20-10 (10 lbs. per 1,000 square feet) or equivalent. LOW MAINTENANCE GROUND COVER: SOUTHEAST NATIVE GRASS SEED MIX (AMERICAN MEADOWS INC.) For slopes steeper than 3:1 grade, Mix the following seeds at 30 lbs/acre each: Virginia Wildrye (Elymus virginicus), Little Bluestem Grass (Schizachyrium scoparium), Purpletop (Tridens flavus), Broornsedge (Andropogon virginicus), and Indian Grass (Sorghastrum nutans). I 1 JUS N M. SHIMP c. No. 4f 183 4 380 i 375 370 365 400 395 390 385 380 375 3 360 70 355 365 33 0 360 10+00 1 G+sty 355 STORM SEWER PROFILE: A9-A. Z 350 C11 % HORIZ: 1"=30' VERT: 1'=10' 385 ° 380 375 370 365 360 355 350 aoo 380 375 370 365 360 355 35D 390 385 380 375 370 365 36D 355 350 L 1w+--,, ..� lal I�� �I �♦ _ :♦ 1 I = III 1�11 I . III II� - _ NUNN— III AIRY"} ; Q _ Il�.11 I UN. I I 10+00 10+50 I-IORIZ: 1"=30' VERT: 1'=10' �j s - (II . AI 385 370 380 365 375 .360 370 355 365 r 3a0 360 345 355 340 390 385 380 375 370 365 360 355 MEYROA 405 400 395 390 385 380 375 370 365 360 355 350 345 A6aty u --�,.,nx:.,.n..,:wa..--„,u..w..u�- ..a.„,.,..w.�..-.�.,,.vn-,.:.,,w:wa„� �,u,....,u,.....v.>.w--�.,,....,..,,..,:....:..,.,.+,m,....F..,,vnw,.z.._��...,..,-,.u.,.•,:ar..s+u:,.:xi,.,m.,�.,.::...,,x,:.,...,. ,:,a,., >v: ...,..,��.,..v,•,,,,.n:�,.-.,,:r,,..,.,..u�.,.-.n.:,,.,wr �cu..,,v,.n='w.��c..u.,,-.,.,.,.�,w.u, ... �n zz u, » 00tvi1 7fi` fi�i7" m Y .arm � M, �w ,, ..,,:.. y _<� EII.JL1l13lal a;,. ;, .,�.., - �,..• f u ., v u.. F.,>:�.. ,,,,a,.,,,,,.,.,.,,..:.:.:...,,�.H.,.,,,,.,..,.�,,, -..;,,,.•..�,..,,..,x, �.,�-,w=�„ �,> u...,.. :nw-m�.,. .,<... r - u a , __ .,.�...<, � a C!7 4L w #w »...,,«.«... kw4�-._.•. .,..C., ds`„ ..., .,ft .,.,...,.. 3--5......:. ._�/- .fi",,m....-...__M ,� �-w..w,�w ..... .....y,P .. ..s..-,.,...e... •«,-..•.,...e..,...+�TSL m.—.--o _ � ,_m� �.w,. � i3& �--�4�-�iD{�-E- -�•' � 1i3:>�.. T 2;%C1? liPT�}R 7:05 14iR� !!% caLn 10+00 10+50 11+00 11+50 12+00 12+50 13+00 PROFILE: .STORM SEWER Y `iiJ ■ i :. .♦ ll�l ll. I Il ll _ ,. 1 • IAI — II f _ I AI l IIII A)� I _..,_ II AI ! Il A II . Ir" 1 _I I III AI I I I I - I pl ll — — -- _ 4 ._ _ 1 r -y• -.. } r — l- e I • - I I • I . I �'"' : * 4• :..-,, - � • - - - - - _ . fill,. _ : - _ _ _ �Il�lll LI A 11 l IIII Illl - �� I I lii l�ll it L: I � I II III i 1 I i I III r^r10 .: � c<s Lo + w. ��,.<.�v,• ovvu,.,.::.�au,:..,xi,am,.:.. v. >,..:.svw.w,., < -mrmwn - - .,. xn�:.v �.:�.�. .-:.w:u,.a. ,..:u,. ,..,,,<w...«:�a, � ..�u.,:r w.,.u, .yy«r..+., ,,.,,,,wn,..,,. Y.,,muyn a.»,s,,,,,..n . �,..u�. -__.,�,.b:�..,�,.A.,.,,.,a�a,�u.,a..>�„a.,,,,n.�..e,,, �„ - ,...r.,-.,<,-�. .on_<•w,,.,,�.._.... -.�..,�.,,�„y,,. .ca�s.�v+<,.ra r=T9�i-. roa�:.a.,.. - ,���,,.z�- I�l.�t _. n ah o-wwN.aw�,.a..,+. .. ..,>-„_.�,»�,.•awm:.,,,.,�r ,.a,�,..x .,,,.w. .•..,,w,,,,, - .,,,,�-�..:.,.w:� 43f 1a 2- �13R TEE;„ !L � to 1 _ !�e 10+50 STORM SEWER PROFILE: BI -RI G11 HORIZ: 1"=36' VERT: xr i I I I - - 1 1. II e- - h- - . I _ 11+00 11+50 12+00 'IZ+UU r_T_ STORM SEWER PROFILE: C1-C4 G11 HORIZ: 1 "=30' VERT: 13+UU -ORM SEWER Al B1-137 1` i 370 365 360 405 355 400 350 395 345 390 340 385 +.rUV r 1 -- .g I I Il II II I ♦ ♦ i a s R I i M I 405 400 395 390 385 1 zan 400 395 390 385 380 375 370 365 360 355 go 385 1 380 375 370 365 360 355 350 345 340 335 330 .♦ f.� - II I. AAA 1III M 00 K 4. x - r . AEI! -I AAIA .' ►' - . - .1 � .. „iil _ I l ■ , A I 1A / • 1 t �..- �_ � a -..._- �.-_ '. I■ r1� II�<... ,- '! 9 �..__ — _ '_ _ :�� .. _... - _- _ .� .:�. wr _ - :._ 3 y } f hyl, r 5 Nt _ I .a , I �, I . . �♦ r r I ,r} a n. y * 1 — 1, +I� .w 10+00 .. At-AATORM SEWER PROFILE- 385 313D 375 370 yE 365 360 & SIDES IN FILTER R DETAIL 35� 350 345 340 335 33D e _ , I — _ I� III .IIII II A A a i • I, III IA .. I IA I I I I Ill A I I � 1 �I I i I I I A II - . 3e a I " I ► _ � I II � �i l 1� I I� IN . I r � - - IIII 1 . I ■ I IIIAAII I AA _ 10+00 ' 10+50 11+00 11+5'T 10+00 K_�8STORM SEWER PROFILE: D1-D G11 NORIZ: 1"=30' VERT: 1'=10' 9 STORM SEWER PROFILE: A_1 I -A11 C C1I, HORIZ: 1"=30' VERT: 1'=10' 405 400 395 390 385 380 375 JU 0 Li . l IJ5183 DRIP LINE 'X BOARD FENCE �:SHAM ELIEVA11014 'PO'Nf UP WWI? fill OF PIPE VTT%fAnn III - 2'RIGHT OF WAY DIVERSION Cl 2,/�NotTo �Scallo������ 65 BARS a &'C-C TYP. #5 BARS a a, C-C TYPI OWN A J TT "ll I SUMTURE SIZE AND PLM WALL THICKNESS VARIES PLAN &S DMN TO INVERT WET PPE SECTION A7A TRANSITION BETWEEN METHOD OF TREATMENT IN DROP INLETS - — --------- 7 PIPE 11 p1puff '--CLASN J. A3 CONCRETE CLASS A3 CONCRETE SECTION A -A SECTION B-8 NOTES 1 SHAPING OF MANHOLE AND INLEFT�6VEfT6111.ATCZDAINCE WITH THIS DRAWING IS TO APPLY T6 SPECIFIED SLOPE TO DRAIN 1. TW STANDARD SAFETY SLN (SL-1) IS TO BE USED ONLY WHEN SPECIFIED IN THE PLAINS 'O."TTV %ZTjoIIfIW. 2?A'Wl'GHTSXA%T'W' 27F "CALOG OF ON S ?R WK INVERT OF PIPE IS ADOVE AVERT OF TO &VIER APRF ADJACENT SAFETY SLA139 SHALL BE a, To 12, WITH NO SAFETY SLA13 LOCATED WITHIN o FEET STRUCTUREOUT OF THE TOP OR BOTTOM OF THE STRUCTURE. SAMY SLAHS SHALL NOT BE LOCATED EV-10W MY 14ZT PIPE or W DIAMETER OR OWATER, SEE CAST IN PLACE DRAWINGS THIE, 2 THE COST OF THE $L-I 13 INCLUDED IN THE COST OF THE STRUCTURE, FOR FURTHER DETAILS p .CL U 31 AO= OPEMM ARE: TO BE STAGGERED FROM 0% SIDE OF STRUCTURE TO THE OTHER WHERE APPLICABLE. STEPS ARE TO BE STAGGERED ACCORDINGLY- 5 BARS 0 3" C C TYP, 0 AST. CAST 4. SAFETY SLAB MAY BE -PL -IN-PLACE CONCRETE TO BE CrW g BE A4 (4000 PSI). REINFIDIRCING " '11* " OF 4 TjffC T CLASS A3 (3000 PSI). CAD POKIIMT STEEL TO BE IN AC=M4M WITH AASHTO M31. DETAiLS OF INVERT SHAPING AS SHOWN. HEREON ME FOR EXN4PLE PURPOSES ONLY. EACH MANHOLE OR DROP INLET IS TO BE SHAPED r 5. AC�Ess OPENINGS MAY BE 301, W*z—TM OR 301, SQUARE. WHEN STRUCTURE WWH ISS LESS THAN Wl THE ACCESS OPENING SHALL BE RECTANGULAR ISTRUCTURE VWTH By M 0 BEST FIT THE PARTKA" IT AND OUTLET .04MALLY INLET MURAT1.11 $M FLOW LINES. SECTION B-B 40" LONG). PLAN, TYPICAL PRECAST UNIT METHOD OF TREATMENT IN MANHOLE$ I XVmT STANDARD METHOD OF SHAPINO SMAT VEX3T TYPICAL CONCRETE SAFETY SLAB FOR DROP INLETS, SPECIFICATION —REFERENCE ROAD AND. MY= ST"ARDS MANHOLE IINLET INVERTS ROAD AM BRIDGE STANDARDS MANHOLES AND JUNCTION BOXES SHEET SHEET I OF I I REVISION GATE VIRGINIA oEIARTmEmr W TRANSPORTATION .302. VIRGINIA DEPARTMENT Or TRANSPORTATION 1=4 f PROP, GRADE ELF-V=374.5 ACCESS RISER / W.LADDER COMPACTEDS0LJ BACKFILL CBR=100 EX. GRADE US 160 NW FILTER FABRIC O | (TOP) D( GRADETOP STONE--M.00 #57 STONE 10 1 i, _A OVERLAP v PER PLAN PER PLAN LADDER WELDED IC USLADDER WELDED FILTER FABRIC 0CMP EL STO ff5 NE 2' MIN. OVERLAP oil f1rn 18 GAGE ALUMINIZED STE WIRE TRASH SCREEN. WEI. TO INSIDE OF CNP PIPE -ACCESS RISER W. LADDER COMPACTED SOIL BACKFILLtBR=10.O NOTE: DETENTION PIPES SHALL HE MIN, 16 GAGE ALUMINIZED CORRUGATED PERFORATED STEEL. JOINTS AND RISERS U5 160 NW SHALL BE WATERTIGHT, FILTER FABRIC @ _CMP TEE PER PLAN ''~ 96"PERFORATED CWP \ SPACING � � `�'` vm .^"°^" ov//mw S0ILSU8QRADE PER-� UNDERGROUND DETENTION SECTION S(IQ]Q 1"=5` WELD LADDER ONTO BOTH SIDES _ __________ _ 3"x8' ORIFICE 4. TRASH RACK �R4.0' 7 4' 0 ORIFICE WEIR PLATE SHALL BE 14 GAGE PREMANUFACTURED ALUMINIZED STEEL REINFORCED WELDED TO CMP DETENTION PIPE 3 TRASH SCREEN DE -TAIL __4 WEIR PLATE DETAIL CAP am ELEY=377.5(HIGH END PER P%L SPACING \ LADDER &ELDED-\ PLACED ON TRENCH BOTTOM ]0"OMP ACCESS RISER UPTURNED 8' CMP W. CAP TOP ELE=362.00 ELBOW JOINT ADS HP -STORM TENTION BARREL I DETAIL UNDERGROUND DETENTION CONSTRUCTION NOTES: IMPORTANT. THESE NOTES ARE GENERAL INSTRUCTIONS FOR DESIGN AND CONSTRUCTION OF THIS DETENTION SYSTEM. MANUFACTURER'S GUIDELINES SHALL SUPERCEDE THESE NOTES. IF DISCREPANCIES OCCUR BETWEEN THESE NOTES AND MANUFACTURER'S GUIDELINES, CONTACT DESIGN ENGINEER IMMEDIATELY. CONTRACTOR IS RESPONSIBLE FOR FOLLOWING ALL MANUFACTURERS GUIDELINES. CMP-RETENTION NOTES: 1. MINIMUM TRENCH WIDTH MUST ALLOW ROOM FOR PROPER COMPACTION OF HAUNCH MATERIALS UNDER THE PIPE. THE TRENCH WIDTH IS THE MINIMUM AMOUNT REQUIRED FOR PROPER INSTALLATION AND TO SUPPORT HORIZONTAL PRESSURE FROM THE PIPE. THE MANUFACTURER'S SUGGESTED W|N|WUW VALUE IS: 1.5D f 12". 2. MINIMUM EMBANKMENT WIDTH (|N FEET) FOR INITIAL FILL ENVELOPE- 3.01) BUT NO LESS THAN D f 4'0^. 3. FOUNDATION SHALL BE WELL CONSOLIDATED & STABLE, CAPABLE 0FSUPPORTING FILL MATERIAL LOAD. 4. OPEN -GRADED GRANULAR BEDDING MATERIAL SHALL BE A RELATIVELY LOOSE MATERIAL THAT IS ROUGHLY SHAPED TO FIT THE BOTTOM OF THE PIPE, 4" TO 8" IN DEPTH. SUGGESTED PARTICLE SIZE OF 1/2 CORRUGATION DEPTH' 5. PIPE MATERIAL: 14GAGE ALUMINIZED PERFORATED CORRUGATED STEEL PIPE, 3''x1~ cORRUGAllDN8 OR EO|X S. HAUNCH ZONE MATERIAL SHALL BE HAND SHOVELED OR SHOVEL SLICED INTO PLACE TO ALLOW FOR PROPER COMPACTION. 7. THE BACKF|LL MATERIAL SHALL WE A FREE-DRA|N|NG, ANCULAR, WASHED -STONE PER AASHTO M 43' USE #57 STONE FOR 8ACNF|LL' MATERIAL SHALL BE PLACED IN 12" WA%|WUW LIFTS AND SHALL BE WORKED INTO THE PIPE HAUNCHES BY MEANS OF SHOVEL -SLICING, R0DD|NG, AIR -TAMPER, VIBRATORY PLATE OR OTHER EFFECTIVE METHODS. COMPACTION IS CONSIDERED ADEQUATE WHEN A DENSITY EQUIVALENT TO 00% STANDARD PROCTOR IS ACHIEVED OR WHEN NO FURTHER YIELDING OF THE MATERIAL IS OBSERVED UNDER THE COMPACTOR OR UNDER FOOT THE PROJECT ENGINEER OR HIS REPRESENTATIVE MUST BE SATISFIED WITH THE LEVEL OF COMPACTION. INADEQUATE COMPACTION CAN LEAD TO EXCESSIVE PIPE DEFLECTIONS AND SETTLEMENT OF THE SOILS OVER THE SYSTEM. 8ACMF|LL SHALL BE PLACED SUCH THAT THERE IS NO MORE THAN A TWO -LIFT DIFFERENTIAL BETWEEN THE SIDES OF ANY PIPE IN THE ISY5TEM AT ALL TIMES DURING THE BACKF|LL PROCESS. 8ACKF|LL SHALL BE ADVANCED ALONG THE LENGTH OF THE SYSTEM AT THE SAME RATE TO AVOID DIFFERENTIAL LOADING ON ANY PIPES IN THE SYSTEM. O. INITIAL OPEN GRADED GRANULAR BACKF|LLABOVE PIPE MAY INCLUDE ROAD BASE MATER|AL(AND RIGID PAVEMENT IF APPL|CABLE), 9. TOTAL HEIGHT OF COMPACTED COVER FOR CONVENTIONAL HIGHWAY LOADS IS MEASURED FROM TOP OF PIPE TO BOTTOM OF FLEXIBLE PAVEMENT \ OR TOP OF RIGID PAVEMENT. 1O.F|NAL BACNF|LL MATERIAL SELECTION ABOVE THE SPECIFIED STONE LAYER IS COMPACTED SOIL BACKRLL, MIN CBR=10, PER PARKING LOT ` PAVEMENT DESIGN SECTION IN THE PANTOP3 CORNER SITE PLAN. - 11.GE0TEXllLE SHALL BE USED AROUND TOP AND SIDES OF STONE BEDDING TO PREVENT SOIL MIGRATION. \ 12'FOR MULTIPLE BARREL INSTALLATIONS THE RECOMMENDED STANDARD SPACING BETWEEN PARALLEL PIPE RUNS SHALL BE PIPE D|A./2. FOR PIPE DIAMETERS 72" AND LARGER, NO LESS THAN 36^ SPACING. PROJECT SPECIFIC SPACING IS D|A/2 = 48^. 13.O0NTRACTUR SHALL ENSURE DETENTION PIPES ARE SO|LTIQHT AT JOINTS BY UTILIZING GASKET AND HUGGER BANDS. (SEE CMP BAND NOTES) 1. DEUVER[D BAND STYLE AND FASTENER TYPE MAY VARY BY FABRICATION PLANT. 2. JOINT IS TO BE ASSEMBLED PER AA5HTO BRIDGE CONSTRUCTION SPECIFICATION 3E0 26.4.2'4. J. BAND MATERIAL AND GAGE TO BE SAME AS RISER MATERIAL, �s �� \ 4. IF RISER HAS A HEIGHT OF COVER OF 10' OR MORE, USE A SLIP JOINT.�b, ` 5. BANDS ARE NORMALLY FURNISHED AS FOLLOWS: o.12" THRU 48'': 1-PIECE b. 54`f: 2-PIECES 0. ALL RISER JOINT COMPONENTS WILL BE FIELD ASSEMBLED. 7. MANHOLE RISERS IN APPLICATIONS WHERE TRAFFIC LOADS ARE IMPOSED REQUIRE SPECIAL DESIGN CONSIDERATIONS. REFER TO RISER DETAIL. D. DIMENSIONS SUBJECT TO MANUFACTURING TOLERANCES. ~` Q. PREWANUFACTURED STUD -OUTS FROM THE DETENTION PIPES SHALL BE PROVIDED FOR RISER CONNECTIONS. ALL OTHER RISER JOINTS SHALL BE -` 8Oi[RGHT. CMP HUGGER BAND &. SLIP JOINT NOTES HUGGER BANDS OR EQUIVALENT SHALL BE USED TO ATTACH SECTIONS OF CWP PIPE. SLIP JOINTS SHALL BE USED TO ATTACH RISER SECTIONS N WITH A TOTAL HEIGHT �! 10'. BAND MATERIALS SHALL BE 14 GAGE ALUMINIZED STEEL OR EQUIVALENT PER MANUFACTURERS RECOMMENDATION. 1. BANDS SHALL BE SHAPED TO MATCH THE PIPE. 2. BANDS ARE NORMALLY FURNISHED AS FOLLOWS: o.12^ THRU 40~: 1-PIECE b.54''f: 2-PIECES | `� 3. BAND FASTENERS SHALL BE ATTACHED WITH SPOT WELDS, RIVETS OR HAND WELDS' 4. ALL CMP IS REROLLEQ TO HAVE ANNULAR END CORRUGATIONS OF2-2/3"x1/2" PER MANUFACTURE RECOMMENDATION. 5. DIMENSIONS ARE SUBJECT TO MANUFACTURING TOLERANCES. G. 0-RING GASKETS SHALL BE USED FOR RISER CONNECTlONS. FLAT CASKETS SHALL BE USED FOR CMP DETENTION PIPE CONNECTIONS. � #57 STONE MH-1 FRAME & COVER ACCESS RISER W. LADDER 37 370 365 355 350 10fU0 F�7-. . . . . . . . . . . . . . . . . . . . . . . . . . SEE DETAIL) LA P STONE P PIPE FILTER FABRI.0 ZP PIPE STOR�PV ki;k"' C00 Tx; =sm: r, TA im Asfflpl �_�n �VIM 1COMM TON rFUR THE 5 RISERS IN ASPHALT PARKING LOT, PROVIDE 5' DIAMETER CONCRETE SUPPORT SLAB 4' THICK, 3000PSI. PROVIDE MIN 4^ GAP FROM TOP OFCONG. TO RISER RIM ELEV. TO ALLOW ASPHALT PAVEMENT COVER. PR0NDE 8" VDOT#21A GRAVEL BASE UNDERC0NC. RING, WELD LADDER TO ACCESS Q|58<. CONTINUE LADDER DOM TO 8' CMP DETENTION INVERT 3O"CWPRISER /-8' CMP DETENTION r6_"�ACCESS RISER DETAIL 10+50 2�UNDERGROUND DETENTION TYP. PROFILE (BARREL 4 SHOnj NO. 6 GALV*qED STEEL STEP _� 350 11+00 41 New Trash Rack Ol 1" Holes TYPICAL SECT(ON p~ �� 30% Opening Area | 3w D 0 0 0 9� Wa� At ACM At YW lam .101 gq |' '2' � n~~~�°�~ n~ ' TVD. Front Section AST L ^°~°w n � - | | . 5TANDARP STEP ME DS 0 0 0 8 �)MIN. LADDER STEP DIMENSION 1� "---�! ux� . . . � . | A (A) Bottom Rook (B) Top Rook | 9 )UNDERGROUND DETENTION PLAN ` \ K ` -o0, ` \ \ \\ \ \ \ TRASH" =~==='` \ \ \ \ \ \\ . \ ` \ ` \ \ ~~ '^'~^~~ RISER \ � \\ � ^14 \ ` \ � . \ � / ` \ / \ / CMP SLIP JOINT DETAIL