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HomeMy WebLinkAboutWPO201700051 Plan - VSMP 2018-01-09V5MP PLAN FOR MALLOY FORD WFO201 "70005 TMF 045..00- 00- 00-068C RIO DISTRICT, ALE3EMARLE COUNTY, VIRGINIA 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 Transportatio n (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 of s I 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). GENERAL CONSTRUCTION NOTES FOR EROSION AND SEDIMENT COWITROL 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 supplementary erosion control plan to the owner for review and approval by the plan approving authority. 6. The contractor is responsible for installation of any additional erosion control measures necessary to prevent erosion and sedimentation as determined by the plan approving authority. 7. All disturbed areas are to drain to approved sediment control measures at all times during land disturbing activities and during site development until final stabilization is achieved. - 8. During dewatering operations, water will be pumped into an approved filtering device. 9. The contractor shall inspect all erosion control measures periodically and after each runoff producing rainfall event. Any necessary repairs or cleanup to maintain the effectiveness of the erosion control devices shall be made immediately. 10. All fill material to be taken from an approved, designated borrow area. 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 manner that maintains lateral support, or order to minimize any hazard to persons, physical damage to adjacent land and improvements, and damage to any public street because 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 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. 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 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 3i0 days of final site stabilization, when measures are no longer needed, subject to approval by the County erosion control inspector. 21. This plan shall be void if the owner does not obtain a permit within 1 year of the date of approval. (Water Protection Ordinance section 17-204G.) 22. Permanent vegetation shall be installed on all denuded areas within nine (9) months after the date the land disturbing activity commenced. (Water Protection Ordinance section 17-207B) VICINITY MAP SCALE: 121=1,0000 v> &5� J F 01nLL E 'fA f l± ���J/ 4 J:fat' I Ltz U011l�%�(,@ �rliEod7 Sark" Club LAKE h11LL :' . tam . �;, fB �� a.` Q 1.J �� ��t: i�! A 11 SITEI. tti 11 :��!���!i!i!i�iii�����i�.'��..',,�i�,,ii.*,'*��"**,��!i��'*,�.,"""�p �: W : : :: . I�s� . . I �... � �.. .,'...' 11, � � I �� � ­:: : 1' .; :...' ,., 11 11 I 11 ... : :' i� : I � : , _1 � tir f6: r' ta`� 1�' tJ F ;d c��, ire !1 t,0 D. f1'! CJ rr 6to .M! CS 0� ONI@'� }�91T1� �JIj}J�rbViJ1811V �f�_�'�';'''" i4s} Q e' �3• Y �; r_ hi r1 IL6610r Gr�a.� l c'� . .��: ;� SHEETINDEX IMAGE PROVIDED BY GOOGLE MAPS C1 - EROSION & SEDIMENT CONTROL COVER SHEET C2 - EROSION & SEDIMENT CONTROL NARRATIVE C3 - EXISTING CONDITIONS & DEMOLITION C4 - EROSION & SEDIMENT CONTROL PLAN C5 - EROSION CONTROL & SITE DETAILS PROPERTY INFORMATION OWNER/DEVELOPER: MALLOY PROPERTIES III PO BOX 7627 CHARLOTTESVILLE, VA 22:906 LEGAL REFERENCE: TMP 45-68C1 DB 4857 PG 576 PLAT ZONING: HC - HIGHWAY COMMERCIAL EC - ENTRANCE CORRIDOR AIA- AIRPORT IMPACT AREA SP201600011 FOR OUTDOOR STORAGE AND DISPLAY (APPROVED 12/14/16) SP201600018 FOR BODY SHOP (APPROVED 12/14 /16) ACREAGE: 4.97 EXISTING LAND USE: BUILDING MATERIAL SUPPLY STORE PROPOSED LAND USE: CAR DEALERSHIP MAGISTERIAL DISTRICT: RIO BASE INFORMAT.10111 >. SOURCE OF BOUNDAR14 Y/TOPOGRAPHY: BOUNDARY & FIELD TOPOGRAPHY BY ROGER W. RAY & ASSOCIATES. DATED 12/12/2016. BENCHMARK(S): BENCHMARK IS AN EXISTING ONSITE STORM DRAINAGE INLET NEAR THE FAR SOUTHEAST SIDE OF THE SITE. ELEV.=466.84' FLOOD ZONE: NO PORTION OF THIS PROPERTY LIES WITHIN ZONE A 100-YEAR FLOOD PLAIN, PER FLOODPLAIN MAPS 51003CO278D & 51003CO279D EFFECTIVE 02/04/2005 WATERSHEDS: THIS SITE LIES WITHIN THE SOUTH FORK RIVANNA RIVER WATERSHED, OUTSIDE ANY WATER SUPPLY PROTECTION AREAS. C N E r_ 0 'b o 0 C pU �� wa)a) -- c N 0 r a- � � � , Q ¢ Q �u Q) L 7 �; , C - > -0 � UL7ii N .1 °� A'�_ Q �_A v T 'SrFI M. SFIIMP Lic p!t�. 4 183 t � ��SSIONAL JCS PROJECT DESCRIPTION, GENERAL NOTES, EROSION & SEDIMENT CONTROL NOTES, AND SEQUENCE OF CONSTRUCTION PROJECT DESCRIPTION THIS SITE IS A PROPOSED CAR DEALERSHIP AND SERVICE CENTER. THE TOTAL AREA OF DISTURBANCE IS 0.77 ACRES EXISTING SITE CONDITIONS ALL WORK SHALL BE COMPLETED ON THE SUBJECT PARCEL, ALBEMARLE COUNTY TMP 45-68C1. SUBJECT PARCEL IS OWNED BY MALLOY PROPERTIES III. ON -SITE SLOPES AVERAGE LESS THAN 5%. STORMWATER FLOWS INTO AN EXISTING STORM DRAIN SYSTEM THAT LEAVES THE EAST SIDE OF THE SITE. ADJACENT PROPERTIES THIS PROPERTY IS BORDERED TO THE NORTH BY CHARLOTTESVILLE REALTY CORP; TO THE SOUTHWEST BY B PROPERTIES LC; TO THE SOUTHEAST BY MALLOY PROPERTIES III LLC. ALL ARE ZONED HIGHWAY COMMERCIAL. THE PROPERTY IS BORDERED TO THE EAST AND WEST BY U.S. 29 & BERKMAR DRIVE, RESPECTIVELY. SOILS THIS SITE CONTAINS THE FOLLOWING SOIL TYPES BASED ON NRCS SOIL MAPS FOR ,ALBEMARLE COUNTY VIRGINIA: 27C - ELIQAK LOAM, 7 TO 15% SLOPES, HSG B 39D - HAZEL LOAM, 15 TO 25% SLOPES, HSG B 88 - UDORTHENTS, LOAMY, HSG D 93D - WATT CHANNERY SILT LOAM, 15 TO 25% SLOPES, HSG B CRITICAL AREAS THERE ARE NO CRITICAL EROSION AREAS ON THE SUBJECT PARCEL. EROSIION & 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. PERMANENT SEEDING: ALL DITCHES AND ADJACENT AREAS WITHIN 15 FT OF THE EDGE OF THE DITCHES SHALL BE SEEDED IN CONFORMANCE WITH STD. AND SPEC, 3.32. 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. 3. INLET PROTECTION: A STONE WEIR SHALL BE INSTALLED AS A SEDIMENT FILTER LOCATED AT THE PROPOSED DROP INLET. REFER TO DETAILS ON SHEET C11. MANAGEMENT STRATEGY AND SEQUENCE OF CONSTRUCTION THE FOLLOWING ARE THE PROPOSED MANAGEMENT STRATEGIES AND DETAILED SEQUENCE OF CONSTRUCTION: PHASE 1 1. INSTALL CONSTRUCTION ENTRANCE. 2. INS3TALL INLET PROTECTION AS SPECIFIED ON PLAN. 3. COINTACT THE ENGINEER AND ALBEMARLE COUNTY FOR INSPECTION AND APPROVAL OF ALL E&S CONTROL MEASURES. PHASE 2 1. UPON APPROVAL OF ALL E&S CONTROL MEASURES, BEGIN CLEARING & GRADING. MAINTAIN ALL E&S CONTROL MEASURES. 2. CONSTRUCT SITE IMPROVEMENTS AS SHOWN ON THE PLAN. PHASE 3 1. ESTABLISH AND MAINTAIN PERMANENT STABILIZATION FEATURES, WHICH INCLUDES THE ESTABLISHMENT OF A PERMANENT VEGETATIVE COVER OVER THE AREAS OF PAVEMENT REMOVAL. UPON COMPLETION CALL FOR FINAL INSPECTIONS. STORM] WATER MANAGEMENT: STORM] WATER MANAGEMENT IS ADDRESSED THROUGH THE REDUCTION OF IMPERVIOUS AREA ON SITE. 0.12 ACRES OF ASPHALT ARE TO BE CONVERTED TO MANAGED TURF. THIS SITE IS IN COMPLIANCE WITH BOTH CHANNEL AND FLOOD PROTECTION REQUIREMENTS AS THE ENERGY BALANCE EQUATION IS SATISFIED AND THE 10-YR, 24-HR STORM IS PROJECTED TO PRODUCE A LOWER FLOW RATE FOLLOWING DEVELOPMENT. ACCORDING TO THE VRRM SPREADSHEET, NO FURTHER PHOSPHORUS REDUCTION IS REQUIRED. Malloy Ford Energy Balance Equation 24 Hr 1 year Storm: Qdeveloped!�' I.F. *tQpre-developed*RUPre-Developed)/Redeveloped Qdeveloped�5 (Qforested*RVforested)/RVdeveloped Drainage Area : .77 ac Qpre-developed = RUPre-Developed = MaXQdeveloped = 3.06 CfS RVDeveloped - Qdeveloped = 2.96 CfS Site Dat'i Summary T9W AgIntaol & ,13 Jn>hEs S110 L Rn,d Cover SWM12ry 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 DERICIENCIES 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 WAINTAIN 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 USING EMISSION -CONTROL EQUIPMENT ON CONTRACTOR OPERATED EQUIPMENT, SHUTTING DOWN MOTORIZED EQUIPMENT WHEN NOT IN USE, AND ACTIVELY CONTROLLING DUST EMISSIONS THROUGHOUT THE PROJECT. EROSION & SEDIMENT CONTROL PERMITTING 1. 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 NO)T BE RESPONSIBLE FOR THE ACCURACY OR COMPLETENESS OF StUCH 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 ALL 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, ETC., THE CONTRACTOR SHALL USE WHATEVER METHODS THAT ARE NECESSARY TO PROTECT STRUCTURES FROM DAMAGE. REPLACEMENT OF DAMAGED STRUCTURES SHALL BE AT THE CONTRACTOR'S EXPENSE. 3. THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROTECTING ALL EXISTING SITE STRUCTURES FROM DAMAGE AN'D COORDINATING WORK SO THAT THE OWNER CAN MAKE NECESSARY ARRANGEMENTS TO MODIFY/PROTECT EXISTING STRUCTURES FROM DAMAGES. 4. 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. 5. CONTRACTOR SHALL NOTIFY AND COORDINATE ALL WORK INVOLVING EXISTING UTILITIES WITH UTILITY OWNERS, AT LEAST 72 HOURS PRIOR TO THE START OF CONSTRUCTION. 6. CONTRACTOR SHALL IMMEDIATELY REPORT ANY DISCREPANCIES BETWEEN EXISTING CONDITIONS AND CONTRACT DOCUMENTS TO THE OWNER AND ENGINEER. 7. 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 THE CONTRACTOR FROM THE RESPONSIBILITY OF ADHERENCE TO THE CONTRACT AND FOR ANY ERROR THAT MAY EXIST. 8. FIELD DENSITY TESTS SHALL BE PERFORMED AT A FREQUENCY OF ONE TEST PER LIFT PER 10,000 SQ FT OF MATERIAL PLACED AND COMPACTED TO WITHIN 95 (%) PERCENT OF STANDARD PROCTOR USING A GRID PATTERN OF 100 FT PER LIFT/OR AS CERTIFIED RY A LICENSED GEOTECHNICAL ENGINEER. 14 W15 B Soil$ C SQ115 0 S.a1Es Total of Total Fvtest (aue--) 0.00 ox 0,aa,, 0.110 tti{]CI Turf (mrQ) '0.00 0102 0-00 049 Impern,iau's (acres) GM .0.16 AGO L7AI 0,157 7403 Site Rw.73 Post b.evefaP nent rr arrnent Volume (W) 2144 f'p5f Gwet Pm nt ik Load (lb yrJ 1.35 post QW?Wnlent ra load (lblyr) 9.63 Total TP Load fteOwtion Required 01yr) Total P�UnQtf Volume lkuu t qn {f#') f9 total TP Load ReduMon Achbgved (lbjyr) U rota[ rfil toad Rec.u€ iev Achieved .tlb/yf) Adju4ed PPst4euelppmegtTP Load (€hfyr) 3_ €±ematniRg Phpsphrargtr Egad ltedtictfpn (I. 1V) Required EROSION & SEDIMENT CONTROL NOTES: 1. ALL VEGETATIVE AND STRUCTURAL EROSION & SEDIMENT CONTROIL (E&S) PRACTICES WILL BE CONSTRUCTED AND MAINTAINED IN ACCORDANCE WITH THE MINIMUM SPECIFICATIONS OF THE VIRGINIA EROSION AND SEDIIMENT CONTROL HANDBOOK AND VIRGINIA REGULATION 4VAC50-30. 2. THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO THE PRE -CONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO COMMENCEMENT OF LAND DISTURBING ACTIVITY AND ONE WEEK PRIOR TO FINAL INSPECTION. THIS REQUIREMENT CAN BE WAIVED AT THE DISCRETION OF THE PLAN APPROVING AUTHORITY. 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. STABILIZATION 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. 3. ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR 2. STABILIZATION OF SOIL STOCKPILES: TO OR AS THE FIRST STEP IN CLEARING. During construction of the project, soil stockpiles shall be stabilized or protected with sediment trapping measures. The applicant is responsible for 4. A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL temporary protection and permanent stabilization of all soil stockpiles on BE MAINTAINED ONSITE AT ALL TIMES. site as well as soil intentionally transported from the project site. 5. PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN 3. PERMANENT VEGETATIVE COVER INDICATED ON THESE PLANS (INCLUDING BUT NOT LIMITED TO, OF -SITE A permanent vegetative cover shall be established on denuded areas not otherwise permanently stabilized. Permanent vegetation shall not be BORROW OR WASTE AREAS), THE CONTRACTOR SHALL SUBMIT A considered established until a ground cover is achieve that, in the opinion SUPPLEMENTARY EROSION AND SEDIMENT CONTROL PLAN TO THE OWNER FOR of the county Inspector, is uniform and mature enough to survive to inhibit REVIEW AND APPROVAL BY THE PLAN REVIEWING AUTHORITY. erosion. 6. THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL 4. TIMING & STABILIZATION OF SILT TRAPPING MEASURES: EROSION AND SEDIMENT CONTROL MEASURES NECESSARY TO PREVENT Sediment basins and traps, perimeter dikes, sediment barriers and other EROSION AND SEDIMENTATION AS DETERMINED BY THE PLAN REVIEWING measures intended to trap sediment shall be constructed as a first step in AUTHORITY. any land disturbing activity and shall be made functional before upslope . land disturbance takes place. A` ��' 7. ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL TIMES DURING LAND DISTURBING ACTIVITIES AND DURING 5. STABILIZATION OF EARTHEN STRUCTURES: SITE DEVELOPMENT UNTIL FINAL STABILIZATION IS ACHIEVED. Stabilization measures shall be applied to earthen structures such as dams, dikes and diversions immediately after installation. 8. DURING DEWATERING OPERATIONS, WATER WILL BE PUMPED INTO AN U JuS- SHllVW APPROVED FILTERING DEVICE. 6. SEDIMENT TRAPS AND BASINS: /ic o. �5183 9. THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES A sediment basin shall control surface runoff from disturbed areas that is PERIODICALLY AND AFTER EACH RUN-OFF PRODUCING STORM EVENT. ANYw comprised of flow from drainage areas greater than or equal to three acres. �O NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE The sediment basin shall be designed and constructed to accommodate the EROSION CONTROL DEVICES SHALL BE MADE IMMEDIATELY. anticipated sediment loading for the land disturbing activity. The outfoll �sSIONAL device or system device shall take into account the total drainage area 10. INSTALL AND MAINTAIN CONSTRUCTION ENTRANCES FOR ENTIRE PROJECT flowing through the disturbed area to be served by the basin. AT ALL LOCATIONS WHERE VEHICLES ENTER/LEAVE THE WORK AREA AND WHERE SOIL IS STOCKPILED. 7. CUT AND FILL SLOPES: Cut and fill slopes shall be designed and constructed in a manner that 11. MAINTAIN ALL EROSION AND SEDIMENT CONTROL UNTIL THE COMPLETION OF will minimize erosion. Slopes that are found to be eroding excessively FINAL STABILIZATION. UNLESS OTHERWISE NOTED ON THE PLANS (REMOVE within one year of permanent stabilization shall be provided with additional ALL EROSION & SEDIMENT CONTROLS FOLLOWING THE ESTABLISHMENT OF A slope stabilizing measures until the problem is corrected. PERMANENT VEGETATIVE COVER AND COMPLETION OF FINAL STABILIZATION. & 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 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. 11CROSSING 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. DELTA = 0'56'36" ! / R=5705.50' PAVED T =46.96' GUARD-R l / C=93.92' CB=N40°12'05"E 33 1>/ IF IF S38'01'34"E 28.30' N 38°43' 45"E 25.00' DRAINAGE / EASEMENT (D.B. 1448-276) z! 1; MH / 1 1 //. _' 1 / Il ",,:,rn ..x I , J r `'7 r'<'.•"':� c`x�y � j f PAVED w O;I 1 HEAD 1 I � / r WALL .,i �. F co sY __ PAVED �W 6/ MANAGED SLOPE t` / N 13? 10 ' 27 „ .s �� P�� ^�� ` -. ` t't .�; 1 w; MH `x`�•�cz, , MANAGED SLOPE S67'09'15"E 383.97' T.M. 45-68C CHARLOTTESVILLE REALTY CORPORATION D.B. 1439-196, 198 PLAT D.B. 815-77, 79 PLAT CONC D.B. 478-523, 525 PLAT 4- GUTTER CURRENT USE:H VACANT —'�- MANAGED SLOPE CONIC Bfl�}'gEGUTTER r 1 "'.-: -t-... :''J� �a.,.`:_'•_:: �.:..r•, +,~' _ 1-•::..:; :�:.,�---�_' - -_ - - - ` - - -- - G M H P C 0 N C GUTTER CONVERT DI P TO MH-1 I 1161116 Nil VJ �cI / SIDE L i B TBR A r I • <. clwf B OVERHANG ' w t '� ion ocat q' CURB � pp CU ::� EX. 'em";.wnan tik' 1 Q 1 r 1 «� � ...� Late . sewer s cs� it �::� C y :>. �� �.�'TBR : �.,� .�:. � FA � -� � 2 STORY g BR ;< `1ilA Yam. t ,: w ROW OF 1 BRICK C PARKING r H �6 ' BOLLARDS _ ,D5'O �'W ; METAL BLDG f „ !y LIMNS OF ,,,r/ SHALL OE 1 �..`" -------_ate .".' '._.-.. ` - -- - FINISHED DISTUR ANCE 4 i METAIL 1 - _ _ _ _ g f FLOOR RESTRI�PED r 473.92 SHE6 , - air- - _. - _ �' — _ l p /elf Ao 'rem olln f �24' Drainage Esmt. i ---_- 5 /FD I! �, ! '! THIS AREA N/� 1 °::� I „OT ! —A X--- — --- X--" --R -_ \� `� �. >Zit l }�'LH(V I Ct1 —�-� — -a _a—a—r i"�' �! 1\\ / < . X (' •\ `',```,`'. TBR___ '°--r _aIpjr'e�..tolYJ'—,,��I , a Qit� \ wig ! - `�: '� REMOVE Ct7R$_ ----- FROM RADIUS DI �4Ex Private rs PAVED �\ `PTO -DJ a T M Q 5-1128 �F, \` S�fJ y <: ' ! F i r e l i n e ---� B PRDPERTIES LC �'u�`'' \ D B 1723-690 r Q91 PLAT D.B. 1380-490 C IS /----� � D.B.874-743 PLAT \ PLAT \ w 5 813-370 p, f2 7 LP F / I / I / 1 / I S24'19'11"W 166.79' 1 12" GATE VALVE NRWO097 1 s VIRGINIA ELECTRIC AND POWER COMPANY EASEMENT 0 (D.S. 307-409) / to be replaced r manhole Y• RWSA DIP ]I TOP-•466.46 :onvert to DI-3 -Hydrant to be relocated ACSA 6" DIP Abandon ex. top L`6.�'-D' IEPL 0 I PAVED D43.3' I i NS I 1 i I 7`:r--iSS D . B . 265-406 PLAT / \ CONIC- a .� _ . 3.13 ACRES.., -- -o-� ZONED: HC CURRENT USE: VACANT ' I IDU II I STORY CO BLDG I (D s ya I i G } 1 BRICK, BLOt✓§K 8 N 1 , X I i i I BRICK li I I ' I T. M 45-68A CON li 1 I' P , 11 B PROPERTIES LC \� `V- / � � I D . B . 172 4-690 I li '� AT 1 D . B . 532-519 PLAT I NS ; o i I I D.B. 334-108 PLAT 1 a / :CONC i ZONED: HC BUILDING #2060 �; , , ii GUTTER I CURRENT USE: COMMERCIAL I PAVED i . �, .. / / i 1 I I • I 1 s PF / I S31 `09' 45" W 74.44' 0 rm Ic w w�- _J � C4 ?? N w > O V1 J Q N Q J �l-zo 0J0a� �0mw �N z=m Z , V W D _Q AO (n 0 m D (A Q Co v> oA z CONC 0 oZ-0 0 +> / WALK m C: Z O00 -10Mw 'o Z0--1 D ;J $�Z C) 0rD Wo � F- (A DI boo A UIZM --10) 0) Om 0 C&G PAVED 24' JOINT ACCESS EASEMEN (D.B. 874-738, 40 0 40 80 120 Scale: 1 "=40' SOILS LEGEND 27C — Elioak loam, 7 to 15 percent slopes 39D — Hazel loam) 15 to 25 percent slopes 88 — Udorthents, loamy 93D — Watt channery silt loam, 15 to 25 percent slopes Soil Type Boundary r �• r� Oof v Jus—, - M. SHIMP ie. o. j45183 "y _ IONAL Vl� Ex. San'tary E So n DB 49 0 P -at ---�/ �,�_ -__ �—s Sq IN EX. 22,550 �q I Note: Contractor shall remove full pavement section (including base layers) and replace with suitable soils in areas where pavement is to be removed. 12" GATE VALVE NRWO097 WI-N-W —W —W —W - I I I le le 70 M -Ivew MH-1 0o 7/ To G1 12" RWSA DIP + LLJ �'4 Ld . . .. . .. ..... LLJ t PPPr71 tH % R I i..M. LO WV N 0 Cf: LLJ ACSA 6" DIP C od Q cr� FIRELI N VANE{ < REL 7',ATION ri NEW 1 TPgj 1 L Z 0 SAN—_SA - I CO EAR 68 D LLJ WM 0 __j 0 P Rt,V-ATF i R V) � 0 M LLJ z M < NS Ur I LLJ En Ss C SOIL EROSION & SEDIMENT CONTROL SYMBOLS SYMBOL N 0. TITLE KEY 3.02 CONSTRUCTION ENTRANCE CE 3.05 SILT FENCE SF 3.07 STORM DRAIN INLET PROTECTION IP 3,32 PERMANENT SEEDING PS LIMITS OF DISTURBANCE EXISTING CONTOUR PROPOSED CONTOUR 20 0 20 40 60 Scale: 1 "=20' U J sit - M. SHIMP ic. 45183 CONSTRUCT10 ACCESS) 'T" ` M-!fa ASPI-I-ALI 10 L..OVRSI -Exl ,rIPlU 2% 2X. I r 1� H PA 1- E t PROFILE 7W MIN. - r t`il Gol'I3rRU11-'flUf'd ACCESS . A� {•r. n rr / ASPHALT IALT PPr ED � ��� � WA1SHRACK \ f ,r ro 2% 21: PAVEMENT-' {l�Ytn tir ni r \r. 1 -■ IP1�SIHV( CIFAil, I�r F, *llvI ST EXTEND FULL. tl'1IDTH � 1t fr, SEDI;YtE�!I' OF €N� ICE` ,Pd€? OFrESS TRAPPING DEVICE OPERATION P LAN - 12' N4IN. PO' ITIVE DRAINAGE TO SFDIlMFdJT _ 2% TRAPPING DF-VICE -"�,S'`r���."�{:, r-:;.,.r..T..-.-�..�,°m...�. �_.:.�:__ .:� . .. ,- . .: � -.- • .:Fri: � tA'" .,, a . -,.• - .-,, ,a... FF10ER CLOTH—/ _. SECTION A -A A iyv wi num %�!ater tali (if 1 lii+ li must be itistalled with a ild itmun 1 filch ballc:ock liutclff ral�7e tit�l l ruz� a a I1 li4lsvitli a. diameter o L 5 i ie ies-: fl_lr adequlalte constant pmsstwe, Wash eater 111(ist be carried away b 0111 [lie eiitratice to all aiapi'ove'r_l se.t0kg area 1.0 remove Setli;tlient. _An se(inteiit sliall be prevet ted fic)Iii enteriik-'r- S11:01111 drai.ti�_,, ditches or wateico. I RAVED WASH RACK tor) SCALE PAVED CONSTRUCTION ENTRANCE WITH WASH RACK (CE) Not to Scale GRAVEL CURB INLET SEDIMENT FTIL TER GRAVEL FILTER RUNOFF WATER WIRE MESH FILTERED WATER FF SEDIMENT CONCRETE GUTTER CURB INLET 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 5 COARSE AGGREGATE. 2 INLET PROTECTION (IP � Not to Scale 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. Add 20 lbs/acre Indian grass when slopes are greater than 3:1. May 1 through August 15: Kentucky 31 Fescue - 128 Ibs/acre; Red Top Grass - 2 lbs/acre; Foxtail Millet - 20 lbs/acre. Add 20 lbs/acre Indian grass when slopes are greater than 3:1. August 16 through October 31: Kentucky 31 Fescue - 128 lbs/acre; Red Top Grass - 2 Ibs/acre; Annual Rye - 20 lbs/acre. Add 20 lbs/acre Indian grass on slopes greater than 3:1. November 1 through February 15: Kentucky 31 Fescue - 128 lbs/acre; Red Top Grass - 2 lbs/acre; Winter Rye - 20 lbs/acre. Add 20 lbs/acre Indian grass on slopes greater than 3:1. 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 County 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 (23 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. PERMANENT SEEDING (PS) Not to Scale 1. SET THE STAKES. 6'MAX. FLOW 3. STAPLE FILTER MATERIAL TO STAKES AND EXTEND IT INTO THE TRENCH. ,�IIIIII 2. EXCAVATE A 4"X 4" TRENCH UPSLOPE ALONG THE LINE OF STAKES. 4. BACKFILL AND COMPACT THE EXCAVATED SOIL. FLOW SHEET FLOW INSTALLATION (PERSPECTIVE VIEW) POINTS A SHOULD BE HIGHER THAN POINT B. DRAINAGEWAY INSTALLATION (FRONT ELEVATION) ( ` SILT FENCE (SF) C� Not to Scale NOTE1: MAINTAIN DRAINAGE THROUGH 30" RCP DURING INSTALLATION OF NEW PIPE. NOTE2: CONCRETE INLET SHAPING REQUIRED FOR ALL STORM STRUCTURES (SEE IS-1 DETAIL) 490 ST1 ST2 ST3 490 ST4 485 0 o N 485 Co 00 : �? rU -0 CD Co Or- r U 00 Ln 480 0-0`Docfl oo �� +ooEn� � I m o d N �o��N 480 II l- N + coI o'd`n II rn o Ln =z F o !z- II'�F, O = z �OZ04 475 I- :5i0, ° o ozo� �QzQ� LdQ»� - F11 w¢zz 475 zcn II Q,>>� Ld�» - zI zZZ- zcnZZ - - � , z z - 470 z Cn - _ - _- - 470 0.53 L 465 30" >, 465 Ex. 30 Ex. 30" HDPE t 1,65� t 2.53% 460 at 1.90% - 460 -� 30" 21.62 LF - 455 30 LF 36. 30" HDPE at HDPE 455 at 1.30% 1.24% 45&+50 10+00 10+50 11+00 WEIR WALL SEE DETAIL 6/C5 (�5�STORM SEWER PROFILE ST1-ST4 C5 SCALE: HORIZ: 1"=30' VERT: 1"=10' New Structure ST-1 Existing Structure A-4 Pre -cast 6" - 4.00' DI top 466.94' thick weir wall MH top 469.28' Construct wall w/ W/ minimum 4,00' CMU blocks. Dowel reinforcing #4 top of wall 466.38' #4 rebar into ex. Steel at 12" .' manhole to tie blocks to side of spacing. ex. structure. top of wall 457.3� Pre -castor 9,72 Provide #4 rebar vertically in wall &. 4.26' shall provide grout wall w/ concrete. , Inv. 453.09 certified drawings to Inv. 456.66' 17" Orifice engineer for 9" Orifice approval prior to construction. A: e STORM STRUCTURE WEIR WALLS CJ SCALE: 1 "=10' (EyjST)1G OR PROPOSED SIDEA(jALx. .SEE t4OTE 15 CONTROL �» R A 4 VIEW GALY,L2"1A"X2%2"'X`/4" 8,.8" r.-E GALY. MCOX12 LONG Brvis A -I 4 10" C C D D BARS B WE�➢ED JOi ITS TYPICAL BARS A a to" C-C E SECTION B-B COLLAR 2,_7„ BARS a 1 L 2/ z'X%4' I GAL t i GnLYArutED ntC u x >x . r_ 1 Q SECTION D-Q ......., .a 06" C+C WELD L 9 t 2,. (BEFORE 3" 01Pa4ETF�Z $ a BARS ➢.-I GALY, 14EE? HOLE. BARS E a 6" G B,. GALY. (tEL0 ALL SEE NOTE S. MGbXt2-r �z X 4" srDD SHEAR SECTION O`(.' CONNECTOR TO COLLAR, FRQNT ELEVATION 41DECREA,E TO V WHEN INLET IS USED SECTION E-'E DE WITH MEOIANS. 01-2AWARPED GUTTER BARS A- APPROACH GUTTER a 6.1 C- 7" T' I r m WEEPHOLE. 5"XI/4" ' /�" L 2"fj"X2� XI/4" b BARS A I , SEE 1407E B. , rX ANIZ 6 I � Li BENT PATES FOR USE Off GiZ.ARE:;i W BARS a a I PARS C d 4�itEAf{' CUNN.. t 3" C-p Ta ,r WErLUED TO NIGi t ➢I'2. "I � .' ���t"`""""*"""' ;ROB o 21c-G_ I TYPE A TYPE B �I Flow i ; Fes,'STEPF.SEE NOTE 5 NOSE DETAILS 8' 1+-3" 8 TYPE A NOSE DETNL SHALL BE USED WITH CG-7 STANDARD, TYPE R NO5E OErAL SHALL PE USED WITH CG-0 SIMQAtD. FOR OSE t4 SAGS GALVANIZED PLATE FOR TYPE A TH.SE B TON AN ANGLE r OF -4" AND IS TO RE ONCHOR D WITH "leX4" STUD 9UTN SIDES TO BE SY•MIETR+CAL SECTION A -A SHEAR CONNECTORS WELOEO T� BENT PLATE AT 25C-0. FOR STEP DETALS SEE 570-ST-1, SKEET 1 OF 2 SPECIFICATION STANDARD CURB DROP INLET REFERENCE 12"' 2411 PIPE. MAXIMUM DEPTH (H) = 9' 25.5 1 g 0J VIRGINIA UEPARTMENt OF TRANSPORT,AIION 302 SEE STANDARALI SL-IFCR MPLICA%LTTY OF SAFETY SLABS. STAt:DMD mk-.l NOTE' FRAME h COVER THE TOP OF M6 DNRY SIIFTICIL' K USE r0 ADJUSTMENT OF COVER _ OR G A E BY- THE USE OF ° BRIAS DIRECTED BY i' SitEE l I OF 5 HALF PLAN VIEW �i jf-�BE`?EL 45' `i f/� ,. ' 0 DEPTH .: FEEL ((((('''-CONCRETE - 4 t..-. FOOTING. 5 -__ x - e - :• '• ,: 7 B t 'tt 9 NAMET`-,R- 4 -$". (2 A WALL THCKNESS) {Y i tQ c t2 SECTION B-B 13 Erb BRICK CONCRETE t5• OR ;15 CONCRETE BLOCK t7 IlJCREtJENT tW1TH FRAMEAhrJ BRICK COVER Tic1dOVE6) CONCRETE WIEaP L QUA.NTIHES SHOWN ARE FOR MAr4HOLE 't(tTiOUt PIPES. TIE .WOUNtOISPLACED BY PIPES MUST BE DEDUCTED TO QTITPJtY'TRUE OL1PtlTlTlEa; 2. A BASE THOMESS OF 9" WAS USED IN COWUTiNG CONCRETE OUATTtTIES. 3•IN�REMLNIS t0 BE A➢ULD FOR EAUI AO✓IRONAL FOOT OF DEPTH. _ A TE Oil 4.M PicR1Y 6 COt RET'A540LEGBL K AfP ,RO _O t`C h( t BLOCK. 5 IF BLOCKS ARE VSEO THE 6/INIh4UM TiIIC NESS QF s f- IS T9 W5", OTHER THMESSES ARE TD CONFORM TO 'BALL Tiq,KN SS SHOWN FGai CONCRETE. 6. &L GOAICRETETO BE CLASS A3: 7•WflUt 5PECIFIEO ON PLANS rHE' 94VERT 6 TD'6E SHAPED t4 AGCORDANGE W17H STAIAR6 15•1. TATTLE CF WANTIT•ES i 3RtCK MTV 11 E CONCREE BRICK cauCRE7E CONCRETE IkOUSANDS CU. YA•tDS CU YARDS 0.5 0365 1.437 0.7 0.'765 1.69'J. n.9 D,"!B5 I.96t 1.0. 0785 2.223 L2 0.789 2.485 - 1.4 0.785 E747 f.6 0.785 3.009 0.474 3.455 2.2 0.970 3.$i7 2.5 0.970 4.179 2.8. 0:1170 4.541 3.1 0.€7D 4'IDS S_4 d.S70 5.2G5 4.0 L173 6.0'S2 0.45 0.582 MANHOLE FOR 12" - 48" PIPE CULVERTS VrR(U41A OEEPA21,4ENC OF TRANSPORTATION S�:Cf*AT(A Ix :SQ2 OST6 e 0 O N n 0 O rrj m o d 00 0 CD 00 � 0 Ln d l + II - II LO C� OBI-- o+�� 470 II o�od- LL-I > 7 I I zcn z z wQ > �_ - - -- ---z cI) . z 465 _ 15>> E 15 15 13% RCP HOPE @ 3•. 460 10+ 00 / 0+ 15 STORM SEWER PROFILE ST6-ST7 SCALE: HORIZ: 1 "=10' VERT: 1 "=5' 470 465 460 10+,30 SLOPE DRAINN PTO NYERI e OF OUTLET PIPE T SECTION A -A �: 4 METHOD OF TREATMENT IN DROP INLETS ....... PIPE UTAAIETERS WHEN DIFFERENT"5IZES OF PIPES ARE ENCQUNTER- 51 UK TO URA94 TO INVERT OF OUTLET P31E SHAPING OF MANHOLE AND INLET INVERTS W ACCORUMCE WITH THIS DRA''AING IS TO APPLY TO THOSE STRUCTURES SPECIFIED ON PLANS OR WHERE INVERT OF PIPE it; ABOVE INVERT OF $ TRUC TLIVE. � 4 IS TO BE FORMED rWD CONSTRUCTED = PLICABLE' STANDARD OR SPECIAL DRdA'NIN G. -" a OETAILEO HEREON IS to Co"SkST OF A � f R"crE MIX CONFORMING TO CLASS A3 OR 25'/. OF COARSE AGGREGATE _ MAY BE / 1 / r 4YD CONSIST OF STONE BRTEN BRICK o I 4 ROkEN CONCRETE BLOCK THE SURF -ACE BY MEANS OF,FIAN4 TROWFU_-NG,. NONE OF THE GOAR5E AGGREGATE WALL RE -MAIN EXPOSED.. a DEALS OF INVERT .SHAPNG AS SHOWN HEREON PRE FOR EXMILE - � ° •� PURPOSFS ONLY, EACH MAra4GLE OR DROP INLET I5 TO OE SHAPED tNOfYlr)'J'& 10 BEST FIT THE PARTiWLAR INLET MD OUTLET COWIC14RATION AND FLOW LINES. SECTION B-B PLAN METHOD OF TREATMENT IN MANHOLES nf �EiYICAIIGT4 STANDARD METHOD OF SHAPING MANHOLE & INLET INVERTS 392 VIRGINIA DEPARTMENT OF TRANSPORTATION 70ff.0$ 0I-7, 7A 70 USDETAILS OF GUTTER AND 5'-4„_� 2" DIAMETER BAR 10.68 LBS./FT. OR NO.14 BLLET .STEEL: BAR a 7.65 METHOD OF PLACEMENT Y• ., LEIS./FT., RASTM A615, GRADE 60, 1. CRATE A IS TO BE UTILIZED W RAIE A LOCATIONS NOT NORMALLY NOTES r SUBJECT TO TI4AFFlC ELD 1. 01-7 NO GUTTERS, 2. GRATE B IS TO BE UTILIZED N DI-7A NO GLITTER IN ONE DIRECTION. LOCATIONS NORMALLY 1X-7B GUTTER IN BOTH DIRECTIONS. o SUBJECT TO TRAFFIC, A= ', : A Z. JOINTS BETWEEN GUTTERS AND CONCRETE COVER 3. FOR DETALS OF LOAD CARRYING ARE TO BE DOWELED WITH 04 X a' SMOOTH /x X 4" L2"XY,`X SHEET (GRATE B), SEE i DI-7, pENL N LIEU OF DOWELS A 2" X 4" NOTCH MAY t „ ' RODS a APPROX. 1211 C-C TO PR ENT.SETTLE- S7�L�p L2/i=X2%z X/4" BE. PROVIDED, ' CONNEGG DETAJL A 4, CONCRETE COVER AMD GRATE SEE STANDARD T-DI-3, 4 ALTERNATE DESIGN. ARE TO BE FURNISHED AS A SINGLE UNIT. CUTSUE CRATE TYPE 0" BNRS DIMENSIONS OF RATE TO 3. VARIABLE 21 OR FLATTER. B I OR it 0X51- PLAN VIEW tFtmM PLANS) (12 REOv,) " OR 3 4' X 2 itp (GRATE 8), 4. DITCH GRADE MUST IE ADJUSTED TO MEET - DIFFERENCE N ELEVATION. SEE LONGITUDINAL SEE DETPIL SECTION. 5. ALTERNATE METHODS OF cN - ANCt-KNtMG ANGLE IRON WILL BE ACCEPTABLE IF APPROVED BY THE 5• IF DEPTH (D) BECOMES LESS TEEN 4" LENGTH ENGINEER. OF WINGS ARE TO BE EXTENDED AS IiTRECTED BY THE ENGINEER. SECTION A -A SECTION Q- 6. CRATE AND COLLAR ARE TO BE GALVAMEO 8. CURTAN 'D DI TO SE LOCATIONS O T THE FND OF GRATE AM THE PAYED DITCH SECTIONS OF THE DI-7A 7, CONCRETE COVER MAY HE DI-78 THAT ARE NOT ABUTTED BY OTHER APPROXIMATE gUANTtTES PRECAST OR CAST IT4 PLACE, DRAINAGE. CONCRETE REiNFORCNG 6. CONCRETE TO BE CLASS A3 F CAST 7. F NORMAL DITCH GRADE IS TOO FLAT TO ALLOW CLASS A3 STEEL IN PLACE, 4000 PSI IF PRECAST. FOR ADJUSTED GRACE TO INLET A SPECIAL GUTTER DETAIL. WILL BE f4EgUFR�0 ON PLANS. 0,423 C. Y. 63 L85. 9, GRATE BARS TO BE PAYRA I H TO DITCH FLOW. �2 5' 4- I W'6 Jp"1""-'LET � 1 - �iJlr;-- ~ ___1? RdFE D SECTION A -A SEE NOTE " a SEE NOTE SEE NOTE 3 SEE NOTE BOTH SLOPES FLAT ONE STEEP SLOPE fo-A ONE INTERMEDIATE SLOPE l = J % INLET ?a k INLET 8 K UP HFAM �EDITCH 2A 0' DIT H GUTTER GRADE TO BE PROVIDED EE NOTE 6 ! I `gip 1 s ADJUSTED TO MEET AS DFECTED BY THE n _ MET ELEVATION ENGINEER (Di-7A ONLY). NORMAL MEDIA TYPICAL ELEVATION SEE NOTE - NOTE �� CH GRADE SEE NOTE 4 SEE NOTE 3 It OR FLATTER ONE STEEP SLOPE -ONE FLAT SLOPE BOTH SLOPES STEEP APPROXIMATE QUANTITY FOR ONE CURTAIN WALL, LONGITUDINAL SECTION MEASURED FROM BOTTOM OF GUTTER ABOVE INLET 15 LOCATED ABOVE NORMAL DITCH GRACE) CONCRETE CLASS A3 0.241CU.YDS SEE NOTE 8. �� STANDARD MEDIAN DROP INLET SPECIFICATION ROAD AND BRIDGE STANDARDS REFERENCE SHEET 2 OF 3 REVISION DATE 12" TO 421' PIPE 241 ,,,E - VIRGINIA DEPARTMENT OF TRANSPORTATION 503 BAR (C SEE YDS.) SPP.CJNG' CFIPRT GRATE TYPE AXII�0.tM DIMENSION A _. B I 4 3" APPROXIMATE QUANTITIES CONCRETE DI-7 DI-7A DI-7B CLASS A3 T1 0 (.9 Z N W Z 0 Z W W 0 Z 2 a z z 1 F N 0 � N N W F Q >> N w � J U) J z (n o W ff Q � U A OP �r v JCS= M. SHIMP L c. -N. o 15183 �o �w IONAL Q LL a, o E E 7--EE moo v U U __j o c OU U LY_. z O O + LC) � N � 0 CD O LU N