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HomeMy WebLinkAboutWPO201800084 Plan - VSMP 2019-05-21V5MF PLAN FOR LEGEND EXIST NEW DESCRIPTION 165TO x 125TC TOP OF CURB ELEVATION 165 x 125 SPOT ELEVATION WTW x 125TW TOP OF WALL ELEVATION 165BW x 125BW BOTTOM OF WALL ELEVATION BENCHMARK STORM SEWER o Ro ROOF DRAIN SEWER LINE -s"w- CW WATER LINE -cvs- cns GAS LINE oue S E OVERHEAD ELECTRIC WIRE -ucc ucE UNDERGROUND ELECTRIC -�*- OFT OVERHEAD TELEPHONE LINE -ucT uGr UNDERGROUND TELEPHONE LINE D - DRAIN INLET (DI) 0 0 STORM/SANITARY MANHOLE C C PLUG 0*v ®" WATER VALVE & BOX ♦ ♦ FIRE HYDRANT ® cK WATER METER ♦� ♦� LIGHT POLE f UTILITY POLE PROPERTY LINE - - - - ADJACENT PROPERTY LINE VACATED PROPERTY LINE BUILDING SETBACK X PARKING SETBACK ROYAL FERN FHA5f 2 WFO 201600084 TAX MAP 76 PARCEL 4GA * 54 5AMUEL MILLER MAGISTERIAL DISTRICT ALBEMARLE COUNTY, VIRGINIA VICINITY MAP SCALE: 19V=1,000' SHEET INDEX IMAGE PROVIDED BY ALBEMARLE COUNTY GIS --"'- SANITARY EASEMENT C I - COVER SHEET GRADING EASEMENT C2 - EXISTING CONDITIONS DRAINAGE EASEMENT UTILITY EASEMENT C3 - SITE LAYOUT WATER EASEMENT C4 - UTILITY PLAN ACCESS EASEMENT C5 - GRADING PLAN STORM DRAINAGE EASEMENT CG - EROSION CONTROL NARRATIVE C7 - WET POND DRAINAGE MAP TREE LINE C8 - ESCP STAGE I - MASS GRADING FENCE C9 - ESCP STAGE I I - GENERAL CONSTRUCTION _ STREAM C 10 - EROSION CONTROL DETAILS 312- -12- INTERVAL CONTOUR CI I - STORM SEWER PROFILES - 300- - DO - INDEX CONTOUR C 12 - E*S AND SWM DETAILS CG-2 Cc-2 STANDARD 6" CURB CG-6 CG-6 COMBINATION 6" CURB & GUTTER CONCRETE PAVEMENT / SIDEWALK RIPRAP ASPHALT GRASS EC-2 MATTING EC-3 MATTING WETLAND to 10 PARKING COUNT APPROVED - CROSSWALK by the Albemarle County Community Department HANDICAP ACCESSIBLE AISLE Date06/11/2019 File WP0201800084 ® /EL CG-12 & HANDICAP PARKING NOTE: 1. THE SIZE OF THE SYMBOLS MAY VARY FROM WHAT IS SHOWN. OWNER / DEVELOPER STEEP SLOPES ALL ONSITE MANAGED SLOPES ARE SHOWN, OWNER: GAMBIT LLC & SNOW PAWS LLC ET ALS PO BOX 6846 CHARLOTTESVILLE, VA 22906 WATERSHED DEVELOPER: LAND STRIKER LLC MOORES CREEK WATERSHED 250 W MAIN ST STE. 201 CHARLOTTESVILLE, VA 22902 NOTE: DEVELOPER IS RESPONSIBLE FOR LAND DISTURBANCE. LAND USE SCHEDULE LEGAL REFERENCE: DB 4573 PG 270 TOTAL PARCEL AREA .............. 8.55 Ac. DB 4431 PG 372 (Deed of Exchange) AREA IN LOTS 5.05 Ac. DB 3038 PG 088 (Deed of Correction) AREA IN ROW ......................... 0.75 Ac. DB 2168 PG 106-122 (Plat & SWM Pond) AREA IN OPEN SPACE ............. 2.75 Ac. ZONING: R-2 RESIDENTIAL TOTAL IMPERVIOUS AREA ........... 3.65 AC (42.7% OF SITE) TOTAL TURF AREA ...................... 4.90 AC (57.3% OF SITE) SOURCE OF BOUNDARY & TOPO TOTAL WOODS AREA ................... 0.00 AC (00.0% OF SITE) SOURCE OF BOUNDARY SURVEY: BOUNDARY INFORMATION COMPILED FROM PLATS OF RECORD. ADJOINING PROPERTY DISTURBED AREA ...................... 8.70 AC LINES FROM ALBEMARLE COUNTY GIS DATA. BMP MAINTENANCE SOURCE OF TOPOGRAPHY: TWO (2) FOOT CONTOUR INTERVAL TOPOGRAPHY FROM LOUISA AERIAL PER DB 2168 PG 106-122, A PERPETUAL NON-EXCULSIVE SURVEYS, INC (08/22/07). FIELD VERIFIED EASEMENT FOR THE USE OF THE POND EXISTS. OWNER IS BY SHIMP ENGINEERING, P.C. (05/15/18). SUBJECT TO THE MAINTENANCE PROVISIONS REFERENCED SUPPLEMENTED WITH ADDITIONAL SURVEY THEREIN. BY ROGER W. RAY & ASSOC. (10/02/18) FLOOD ZONE WET POND AS -BUILT TOPOGRAPHIC INFO PROVIDED BY RK&K, LLP. AS -BUILT TOPO ACCORDING TO THE FEMA FLOOD INSURANCE RATE MAP, EFFECTIVE DATE SHOWN PER FIFTH STREET PLACE STORMWATER FEBRUARY 4, 2005 (COMMUNITY PANEL 51003CO269D), THIS PROPERTY DOES SURVEY CONDUCTED BY ROUDABUSH, GAALE, BUILT AS -BUILT PLAN DATED 1 A NOT LIE WITHIN THE ZONE AE 100-YEAR FLOOD PLAIN. UDA ASSOC. BENCHMARK(S): NAVD88, NAD83 VA STATE PLANE SOUTH 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 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 on 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 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 FOR STORMWATER MANAGEMENT PLANS 1. All dams and constructed fill to be within 95% of maximum dry density and 2% of optimum moisture content. All fill material to be approved by a geotechnical engineer. A geotechnical engineer is to be present during Construction of dams. 2. Pipe and riser joints are to be watertight within stormwater management facilities. 3. For temporary sediment traps or basins which are to be converted to permanent stormwater management facilities; conversion is not to take place until the site is stabilized, and permission has been obtained from the County erosion control inspector. GENERAL CONSTRUCTION NOTES 1. Prior to any construction within any existing public right-of-way, including connection to any existing road, a permit shall be obtained from the Virginia Department of Transportation (VDOT). This plan as drawn may not accurately reflect the requirements of the permit. Where any discrepancies occur the requirements of the permit shall govern. 2. All materials and construction methods shall conform to current specifications and standards of VDOT unless otherwise noted. 3. Erosion and siltation control measures shall be provided in accordance with the approved erosion control plan and shall be installed prior to any clearing, grading or other construction. 4. All slopes and disturbed areas are to be fertilized, seeded and mulched. 5. The maximum allowable slope is 2:1 (horizontal: vertical). Where reasonably obtainable, lesser slopes of 3:1 or better are to be achieved. 6. Paved, rip -rap or stabilization mat lined ditch may be required when in the opinion of the County Engineer, or designee, it is deemed necessary in order to stabilize a drainage channel. 7. All traffic control signs shall conform with the Virginia Manual for Uniform Traffic Control Devices. 8. Unless otherwise noted all concrete pipe shall be reinforced concrete pipe - Class III. 9. All excavation for underground pipe installation must comply with OSHA Standards for the Construction Industry (29 CFR Part 1926). LINE BEARING DISTANCE L1 S65°30'00"W 89.04 L2 S72°02'03"W 53.34 L3 S57°28'58"W 51.57 L4 S56°46'20"W 110.53 L5 S89°47'34"W 42.66 L6 N56 49 31"E 25.00 L7 N87 55'38"W 91.84 L81 S56°49'31"W 51.00 L9 N33°10'29"W 31.31 L10 S02 12 39"W 17.83 L11 S83 12 36"W 176.56 L12 S06 37'57"E 25.00 L13 S83°22'03"W 47.69 L14 N78'31'14"E 30.72 L15 N53`15'37"E 23.02 L16 N18`25'37"E 137.78 L17 N30`49'58"E 14.20 L1 8T N59`09'56"W 3.82 Lo ° N O I O � n z N w / w _-_ LEGEND �z / za- �� r i�i// r ► ----�v 0 + Q I o /� / ,'��/'/ I '/"•� z 417.13 / / Lj Ito ,' i /' �V / ��� i' / DMA ' /'�'(- �, / • / /// //- // // / /'' ` vvv 4 III �- T.M.7fr-46F (PORTION) w° 7, 37 36�1 REGION TEN CO IIII v / 111 I/ S C. \ / / i , L1 / , \\ I 1 I I j j i i / � , PLAT // 1-1�►�' \ -� i ./ /' �Q\e/ � ,/ ' �!� �� ,// � \ I I \ II D.B.722-/518 PLAT /,. 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SOT --------_.�.-___-- 316 LL Date Scale \ -------- \ -Sheet No. ' — — — — — — — -ate-�� — — — — — — — — — — — 40 0 40 80 120 C5 OF 12 — < ---_ - - - File No. Scale: 1 "=40' 18.004 U C) O O n. p O 'x a U m U M ¢ O J 0 J O n ¢ O W M Y ¢ O J W W J N ¢ J J ¢ Z W 0 2 , A kK tSI IR lip 1 �L Y PROJECT DESCRIPTION, GENERAL NOTES, EROSION & SEDIMENT CONTROL NOTES, AND SEQUENCE OF CONSTRUCTION WET POND ORIGINAL DRAINAGE AREA MAP d`v W VaXV H9VMV aC1 ZNIIMOUAHQ ,LSOd 9NISf10H )U1S 21A1Nn DNIINHIS L F__ u3 ��,1 I LI L rt �' , u'i_ R� � �1 n 1 a c ed I 1 `'ter 1 r �, y - - W N 1 m r nJ LL 1 i - O ti U l O U. !! o PROJECT DESCRIPTION THIS SITE IS 2 WOODED LOTS BORDERED BY 5TH STREET, WAHOO WAY, OLD LYNCHBURG RD, & THE REGION 10 FACILITY IN ALBEMARLE COUNTY BEING DEVELOPED INTO A RESIDENTIAL SUBDIVISION. THE DEVELPOMENT WILL CONTAIN SINGLE-FAMILY LOTS ON PARCEL 46A AND MULTIFAMILY LOTS ON PARCEL 54. THE TOTAL AREA OF DISTURBANCE IS 8.70 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 CONDITIONS THE EXISTING SITE IS VACANT WITH LOTS ZONED R-2 & R-10. ADJACENT PROPERTIES THIS PROPERTY IS BORDERED TO THE NORTH, EAST, AND SOUTH BY EXISTING STREETS. TO THE WEST AND UPSTREAM OF THE PROPERTY LIES THE "REGION 10" DEVELOPMENT. OFFSITE AREAS: SOIL MAY NEED TO BE IMPORTED TO THE SITE FROM SITES WHICH SHALL HAVE EROSION CONTROL PERMITS. SOILS THE SITE CONTAINS THE FOLLOWING SOIL TYPES: 27B - ELIOAK LOAM - 2 TO 7% SLOPES, HSG B, 27C - ELIOAK LOAM - 7 TO 15% SLOPES, HSG B, 27D - ELIOAK LOAM - 15 TO 25% SLOPES HSG B 34C - GLENELG LOAM - 15 TO 25% SLOPES HSG B 39D - HAZEL LOAM - 15 TO 25% SLOPES, HSG B CRITICAL AREAS NO CRITICAL AREAS HAVE BEEN IDENTIFIED WITHIN THE SITE. 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 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. 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. TEMPORARY DIVERSION 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. THE CLEANWATER DIVERSIONS WILL BE MADE STABLE BY THE USE OF VDGT LD-268 DESIGN STANDARDS. 6. TEMPORARY SEEDING: DENUDED AREAS TEMPORARY SEEDING SHALL BE APPLIED TO ALL D WITHIN E E 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 WITH STD. AND SPEC. 3.31. 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 P H I E H 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. 10.INLET PROTECTION: INLET PROTECTION MEASURES AROUND 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 OLD LYNCHBURG ROAD. TRUCKS SHALL BE CLEANED PRIOR TO LEAVING SITE. 2. INSTALL SILT FENCE, DIVERSIONS, SEDIMENT BASIN 1 AND SEDIMENT TRAP 3. 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. PUBLIC ROAD SHOULD BE GRADED FIRST. BRING ROAD TO GRADE AS SHOWN ON SHEET C8. PRIVATE ROAD 8 SHALL ACT AS AN EXTENSION OF THE SEDIMENT BASIN. MAINTAIN SEDIMENT TRAPS AND BASIN UNTIL UPSTREAM GRADING IS COMPLETE. TRAP SHOULD BE REMOVED FIRST AFTER UPSTREAM AREA IS STABILIZED. SEDIMENT BASIN SHOULD REMAIN UNTIL TOWNHOMES ARE BUILT AND DETENTION PIPE IS INSTALLED. 3. INSTALL ADDITIONAL CONTROL MEASURES AS SHOWN ON SHEET C9. 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. REMOVE PERIMETER CONTROLS. CONSTRUCTION MAINTENANCE THE FOLLOWING CONSTRUCTION MAINTENANCE PRACTICES SHALL BE FOLLOWED AT THE SITE. 1. ALL E&S CONTROL MEASURES WILL BE CHECKED DAILY AND AFTER EACH SIGNIFICANT RAIN EVENT. ALL DEFICIENCIES IDENTIFIED DURING THESE INSPECTIONS SHALL BE CORRECTED AS SOON AS PRACTICABLE. 2. THE SILT FENCE BARRIER SHALL BE REGULARLY CHECKED FOR UNDERMINING, DETERIORATION OR SIGNIFICANT EROSION. SEDIMENT SHALL BE REMOVED AFTER EACH STORM EVENT AND WHEN THE LEVEL OF SEDIMENT DEPOSITION REACHES HALF THE HEIGHT OF THE CONTROL. 3. THE CONTRACTOR IS RESPONSIBLE FOR ADHERING TO ALL MAINTENANCE REQUIREMENTS SET FORTH IN THE CURRENT EDITION OF THE VIRGINIA SEDIMENT AND EROSION CONTROL MANUAL, OTHER APPLICABLE COMMONWEALTH OF VIRGINIA REGULATIONS AND THE PROJECT SPECIFICATIONS. 4. ALL SEEDED AREAS WILL BE REGULARLY CHECKED TO ENSURE THAT A GOOD STAND OF GRASS IS MAINTAINED. 5. AREAS WITH RIP -RAP SHOULD BE REGULARLY INSPECTED TO DETERMINE IF HIGH FLOWS HAVE DAMAGED THESE CONTROLS OR CAUSED EXCESSIVE SEDIMENT DEPOSITION. ALL AREAS SHALL BE MAINTAINED IN ACCORDANCE WITH THE REQUIREMENTS OF THIS E&S CONTROL PLAN. ENVIRONMENTAL CONTROLS 1. CONTRACTOR SHALL PROVIDE AND MAINTAIN ALL ENVIRONMENTAL CONTROL MEASURES SO AS TO COMPLY WITH LOCAL ORDINANCES, STATE AND FEDERAL LAWS AND REGULATIONS APPLICABLE TO WATER POLLUTION IN WATERS OF THE STATE AND IN INTERSTATE WATERS. 2. CONTRACTOR SHALL MINIMIZE THE POTENTIAL FOR AIR POLLUTION BY THE USE OF EMISSION CONTROL EQUIPMENT ON CONTRACTOR OPERATED EQUIPMENT, SHUT -DOWN OF MOTORIZED EQUIPMENT WHEN NOT IN USE, AND ACTIVELY CONTROLLING DUST EMISSIONS THROUGHOUT THE PROJECT. EROSION & SEDIMENT CONTROL PERMITTING CONTRACTOR SHALL BE RESPONSIBLE FOR OBTAINING ALL LOCAL AND STATE EROSION AND SEDIMENT CONTROL PERMITS AND MAINTAINING ALL EROSION AND SEDIMENT CONTROLS IN ACCORDANCE WITH THE PERMIT REQUIREMENTS. GENERAL NOTES 1. THE INFORMATION AND DATA SHOWN OR INDICATED WITH RESPECT TO THE EXISTING UNDERGROUND UTILITIES AT OR CONTIGUOUS TO THE SITE ARE BASED ON INFORMATION AND DATA FURNISHED TO THE OWNER AND ENGINEER BY THE OWNERS OF SUCH UNDERGROUND FACILITIES OR OTHERS. THE OWNER OR ENGINEER SHALL NOT BE RESPONSIBLE FOR THE ACCURACY OR COMPLETENESS OF SUCH INFORMATION OR DATA. THE CONTRACTOR SHALL HAVE FULL RESPONSIBILITY FOR CONFIRMING THE ACCURACY OF THE DATA, FOR LOCATING ALL UNDERGROUND UTILITIES, FOR COORDINATION OF THE WORK WITH OWNERS OF SUCH UNDERGROUND UTILITIES DURING CONSTRUCTION, FOR THE SAFETY AND PROTECTION THEREOF AND REPAIRING ANY DAMAGE THERETO RESULTING FROM THE WORK. ALL OF THESE CONDITIONS SHALL BE MET AT NO ADDITIONAL COST TO THE OWNER. THE CONTRACTOR SHALL CONTACT "MISS UTILITIES" OF VIRGINIA AT 1-800-552-7001 PRIOR TO THE START OF WORK. 2. WHEN WORKING ADJACENT TO EXISTING STRUCTURES POLES UTILITIES, ETC., THE CONTRACTOR SHALL USE WHATEVER METHODS THAT ARE NECESSARY TO PROTECT STRUCTURES FROM DAMAGE, ANY DAMAGE CAUSED BY THE CONTRACTOR OR ITS SUBCONTRACTORS SHALL BE THE CONTRACTOR'S SOLE RESPONSIBILITY TO REPAIR OR REPLACE. THIS EXPENSE IS THE CONTRACTOR'S RESPONSIBILITY. 3. REPLACEMENT OR REPAIR OF DAMAGED STRUCTURES SHALL BE AT THE CONTRACTOR'S EXPENSE. 4. THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROTECTING ALL EXISTING SITE STRUCTURES FROM DAMAGE AND COORDINATING WORK SO THAT THE OWNER CAN MAKE NECESSARY ARRANGEMENTS TO MODIFY/PROTECT EXISTING STRUCTURES FROM DAMAGES. 5. THE CONTRACTOR SHALL BE RESPONSIBLE FOR NOTIFYING ALL UTILITY OWNERS, ADJACENT LAND OWNERS WHOSE PROPERTY MAY BE IMPACTED AND THE VIRGINIA DEPARTMENT OF TRANSPORTATION PRIOR TO COMPLETING ANY OFF -SITE WORK. 6. CONTRACTOR SHALL NOTIFY AND COORDINATE ALL WORK INVOLVING EXISTING UTILITIES WITH UTILITY OWNERS, AT LEAST 72 HOURS PRIOR TO THE START OF CONSTRUCTION. 7. ALL EXCAVATION FOR UNDERGROUND PIPE INSTALLATION MUST COMPLY WITH OSHA STANDARDS FOR THE CONSTRUCTION INDUSTRY (29 CFR PART 1926). 8. THE CONTRACTOR SHALL VERIFY THE LOCATIONS OF ALL BOUNDARIES, BUILDINGS, VEGETATION, AND OTHER PERTINENT SITE ELEMENTS. CONTRACTOR SHALL IMMEDIATELY REPORT ANY DISCREPANCIES BETWEEN EXISTING CONDITIONS AND CONTRACT DOCUMENTS TO THE OWNER AND ENGINEER. 9. CONTRACTOR SHALL SUBMIT FOR THE APPROVAL OF THE OWNER SUBMITTALS OF ALL SPECIFIED MATERIALS LISTED IN THE PLANS, TO INCLUDE SHOP DRAWINGS, MANUFACTURER'S SPECIFICATIONS AND LABORATORY REPORTS. THE OWNER'S APPROVAL OF SUBMITTALS WILL BE GENERAL AND WILL NOT RELIEVE THE CONTRACTOR FROM THE RESPONSIBILITY OF ADHERENCE TO THE CONTRACT AND FOR ANY ERROR THAT MAY EXIST. 1O. CONTRACTOR SHALL BE RESPONSIBLE FOR OBTAINING ALL NECESSARY PERMITS, INSPECTIONS, BONDS, AND OTHER RELATED ITEMS IN ACCORDANCE WITH LOCAL AND STATE POLICY. STORMWATER MANAGEMENT: 1. PER DB 2168 PG 106-122, A PERPETUAL NON-EXCULSIVE EASEMENT FOR THE USE OF THE WET POND ON TMP. 76-54A1 EXISTS. ALL CONCENTRATED ONSITE RUNOFF SHALL BE ROUTED INTO MANMADE CHANNELS WHICH OUTLET INTO THIS WET POND WHICH WAS APPROVED WITH SDP 200100129 AND EXPANDED WITH WPO 201500094. 2. THE CHANNELS INTO WHICH RUNOFF FROM THE ROYAL FERN PHASE 2 DEVELOPMENT WILL OUTLET WERE DESIGNED FOR A FULLY BUILT OUT SITE PER PAGES 6 & 14-16 OF THE SWM CALCULATION PACKET FROM SDP 200100129. THE POST-DEV DRAINAGE AREA MAP FROM THIS SITE PLAN IS INCLUDED ON THIS SHEET. 3. THE WET POND IS CURRENTLY DESIGNED TO TREAT A TOTAL DRAINAGE AREA OF 72.72 ACRES WITH 63% IMPERVIOUS LAND COVER. PER SWM CALCULATION PACKET FOR SDP 2001000129, THE ROYAL FERN PHASE 2 DEVELOPMENT (LISTED AS THE HEISCHMAN WESTERN RESIDUE) WAS ASSUMED TO HAVE AN 80% IMPERVIOUS AREA FOR WATER QUANTITY VOLUME. THE ROYAL FERN PHASE 2 DEVELOPMENT HAS 42.7% IMPERVIOUS AREA, SO THE WATER QUANTITY TREATMENT IS FULLY COVERED BY THE WET POND ON TMP 76-54A1. REFER TO PAGES 1-21 OF THE SWM CALCULATION PACKET FROM SDP 200100129 FOR ORIGINAL DESIGN CALCULATIONS FOR THE POND. REFER TO SHEETS SWM-1 FROM WPO 201500094 FOR REVISED POND QUANTITY/QUALITY DESIGN. REFER TO SWM-7 THRU SWM-10 FROM WPO 201500094 FOR REVISED POND DRAINAGE AREAS. 4. THE AS -BUILT WET POND HAS BEEN CONSTRUCTED PER APPROVED DESIGN FROM WPO 201500094. AS -BUILT WET POND INFO IS SHOWN ON SHEET C7. REFER TO "FIFTH STREET PLACE STORMWATER AS -BUILT" DATED 11/20/2018. 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. 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 p disturbance takes lace. a 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 P 9 will minimize erosion. Slopes that are found to be eroding excessively within one year of permanent stabilization shall be provided with additional slope stabilizing measures until the problem is corrected. & CONCENTRATED RUN-OFF DOWN CUT OR FILL SLOPES: Concentrated runoff shall not flow down cut or fill slopes unless contained within an adequate temporary or permanent channel flume or sloe drain q P Y P ' P structure. 9.WATER SEEPS FROM A SLOPE FACE: Whenever water seeps from a slope face, adequate drainage or other protection shall be provided. IO.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 ' erformed precautions shall be taken P 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: o.No more than 500 linear feet of trench may be opened at one time. b.Excavoted 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 flawing streams or offsite property. d.Materiol 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. TIi - PN M. SHMP D N4183 l.I I I q �Irei 01 4 (]L / --aa� / AlV / / ' I \ / / __ 1 / / / I _ ------ - ------- -- 7.47 40 aee:va______ _r0].6] HP \\ I I •�8.63 -MOZ29 _42.08HP .10 -__ 40].45 -------- 408.04 �amss� 1 ( I I / I / / / \ _ � � _ tee,. •HP �'�zse � \ \ \ \ \ \ � \ \ \ ------------ 40817 4Q7Ti3. 49z0z \ \ \ Q1LT-395.74 �bi� \\ - - v ' I I � I I� II I I I 1 I I v v `vA vvvvvp� �sozb0�A V� � vv ofi.te��i Vp WET POND VVv�, `b-SKTANDPIP408.55 403.83 vvv \ A \ V \ \ V \ A LEG \ 1 ag6.ah• \fir 111,ADBR2168ENCE: DB PC 89,103 1PLAT, DB 1548 PG8124.G I IV OUT-3 6.53 zt2 876. 99. \ I \ \ \ 4g.HP \ 8 21 ,aa6s 408J7. A ` W vvv / 1 / 11 I II I II A I WET POND WATER / 1 I II I I II I I I 4oA.31 8.66. F /.68 /409 ]QUALITY VOLUME HP 6,848 CY 48. 0 3P409.11:71 11.86 a0.6.3 08.4t 4d9.3t(' '41 a.]o \40 Z2 /410.a 412.53 � 405 � . \ 1 \ I 06.16 409.75 \\ I I I -/ - `--- - - i /'� � �• I � 1 �� '� �-�� I 1 A1� \1 \vv 11 1 � l \_// I I / /' \\ 9'BfJ� �' , ,' 1 l i ♦ 1 1 1 1 1 A � � /� I `� \ ; -39 zoo 0 0 SEDIMENTFOREBAY I� --------------------- r � � V v I I I \------------ V I I A A V A V `- A VA\ V I I I \ EX. 48" RCP I \ \ \ \ \ \ \ \ / , < CLUBHOUSE FFE=439.90 i ------c -- --- i/-''------' p 00 \\ \ y/ - -- - --------_-- __ - -- ------44,0-/ - ® - O ' -- --- -- - - - - ----------- \ I WET POND NOTES THE WET POND DESIGN THAT INCLUDES TREATMENT FOR THE 76-46A & 76-54 PROPERTIES WAS APPROVED WITH SDP 200100129 AND EXPANDED WITH WPO 201500094. THE WET POND WAS ORIGINALLY DESIGNED WITH SDP 200100129 TO TREAT 60.26 ACRES ® CN=89 AND ASSUMED THIS AREA HAD A LAND COVER OF 63% IMPERVIOUS. THE ROYAL FERN PHASE 2 SITE WAS INCLUDED IN THIS AREA. WPO 201500094 ADDED.12.46 AC. DRAINAGE AREA FROM THE "FIFTH ST APARTMENTS" PLAN TO BRING THE TOTAL POND DRAINAGE AREA TO 72.72 AC (P CN=88. WPO 201500094 SHOWS THE REVISIONS TO THE POND TO ACCOMMODATE THIS EXTRA AREA. THIS DRAINAGE AREA LISTED IN WPO 201500094 STILL INCLUDES THE ROYAL FERN PHASE 2 SITE AND DID NOT CHANGE THE DESIGN ASSUMPTIONS FOR THE PHASE 2 SITE. THE POND AS -BUILT INFO, AS TAKEN FROM THE SWM AS -BUILT FOR WPO 201500094, IS SHOWN HERE. ACCORDING TO THIS AS -BUILT, THE POND WAS CONSTRUCTED WITHIN THE DESIGN PARAMETERS APPROVED IN THE WHO 201500094. THE POND REMAINS ADEQUATE TO TREAT AND CONTROL THE RUNOFF FOR WHICH IT WAS DESIGNED. WET POND REQUIREMENTS SDP200100129 WP020150094 TOTAL REQUIRED CURRENT POND ITEM DESIGN DESIGN AFTER AS -BUILT REQUIREMENTS REVISION WP0201500094 DRAINAGE 60.26 AC ® ADDED 12.46 MAX 72.72 AC ® 71.83 AC AREA CN=89 AC ® CN=86 CN=88 CN=78 FOREBAY 528 CY 174 CY 702 CY 714 CY ADDITION QUALITY 4220 CY 828 CY 5048 CY 6848 CY VOLUME ADDITION NORMAL WATER 396.50 396.50 395.78 AS -BUILT 395.78 LEVEL PROPOSED AMENDED EMBANKMENT 408.20 408.20 407.83 AS -BUILT 408.03 TOP PROPOSED AMENDED ® LOWEST 100 YR WSE 405.69 407.18 406.83 AS -BUILT 406.83 PROPOSED AMENDED 1 M. P a sP24 10� '10NAL F'�G / IIII il,l / _ I II III _ __--''__-_-'-' NOTE: �/ / //� //-------\�\ - _ TRAP 3 LENGTH: WIDTH RATIO --- 70' L / 27' W = 2.6 L: IN v A v BASIN 1 LENGTH: WIDTH RATIO 1701 52' W = 3.3 L:W it �ll�/ll1 ///I 1 vvv � .��x�* +\.'•i%y.���l I ✓ I / If wi i1�Ii� Sri i i Y.� I+/;;'� • I vV v,I IIIrnII I I I /' � vvv� 8) If .v 1 �I I a� / /' 450- ---00, - --- - / , ------ ✓ j -- -- 45 G i i 00 OP /' ♦� ,'� / / / SEDIMENT BASIN 1 DUTLE7 CUL RT ss' \ I \ j , //- - \ /� \ - _ ^^ 1 - -440- ,' 1 I I PI THE SAME AS PERMNSTA ,�TgRM PIPE SECTION E2 E3. iNSTA C .0/ �a��� f�Tl i l/ l _ i---------- --- - - - - - _ ----- 8 '�' E2 01,PERMANENT SEE FICEPE N / P 0 ------ -- �' �_' i '' ' C11:ESTATIO 0 /11,+'S/'/' I o_ I 407.26 Jim I I I I I I I v I I I I I I / ( / - _ -- 8 - I�� - - - _- -- �' / ;�i // / ,, � i`ti 2Q /RIP -RAPS' 1'3 E _ fTl II I I I l °` / / _ ___\� 1 / Imo\ �` , - - - - / -''30 // j l� ' / ♦ _ E I PIPE v E-wI1 / ✓ I -- / 4�- 3- xl m \ -MI0 /'!-- ---- --- �I /TO/ l TRAP �3 ALONGF v�\ . zz FrT GRADE I 34 � - �-' /� `. 36 ' I v v _-,.'. /'DRA A/� E%J \ __ _ �A .III _ / .Z7 A `v+ V v II \--V`�� �� A A- 90 A /\\\i I 'I 48" RISER W. 36" TOP. ��QSI - - 38 R E F 7 -_ z IL \\ \ a \ \ \ I COARSE REDUCER RISER' @ \26 \ \\ r IN \ ��\\ -\\ _ \�� �_-. \\\\ \ � \`-'\ /0II/ ISO �c 17 -430' O\ BA \ ti� Alv7E O �, ,, / � AREAS 5.24 l I ---- ---------- / I E I n ,-I I \ \ ` \ ' - STA�t1SG, STOCKPILE, I F' � �--- AND PARaKING AREA 0- i 1 D AINAGE PIPE TR �% �%/1/ l L--q-x -_ _ x -x- - -x -x -x -x -x -_ x -x -x..-x x x� f I INSTALL BYPASS _ _-i MA HOLES OEFORE 0Vl_ACING F L IN THIS AREA. USE ---- y i9MP YNIS A S LT SACK TO '-- \ -- AC - - o _-- -- �� / _ _ _ ■ �( ` --- % -_ __ \_-= = QURiNG F`hLb4CE�AEA� " / L `\` \ „_ ` 5T -fit �- --- '� C % Lx- - I p �� -. - RUE` ET- C1 4 115 ■ ■ I �' -SAFETY FENCE,i>ND SILT 1- � �X_ __x- x x - _ ■ 00000 I- - - - -� - - FENCE ALONG' EDGE OF EX. PAVEMENT; - - -� -- - -/f . �o _ ` -_._-� STR;. Td4 \ _ -420 - _ "ter -- - `\ --�\- - - - - - - - - - - - - ------------�- - - - - -/- - - - - f' - - _ a - MG ORTid -OF P P� _ / I / - ---- / - -- - STg/TE ROUTE 6 15TH - \ F \ I � \ I+ F \ %+ F / I ' , SEQUENCE OF CONSTRUCTION - STAGE 1 1. INSTALL CONSTRUCTION ENTRANCE OFF OLD LYNCHBURG RD. TRUCKS SHALL BE CLEANED PRIOR TO LEAVING SITE. 2. INSTALL SILT FENCE, DIVERSION, AND SEDIMENT TRAPS AS SHOWN ON THIS SHEET. 3. CONTACT THE ENGINEER AND ALBEMARLE COUNTY FOR INSPECTION AND APPROVAL OF ALL E&S CONTROL MEASURES. 4. UPON APPROVAL OF E&S CONTROL MEASURES, BEGIN SITE WORK. 5. MAINTAIN PERIMETER CONTROLS DURING CONSTRUCTION. STR. E3. ADD REDUCER _ T Top OF STAND IPF TQ 16' EMBANKMENT ACHIFVE3BI I TOP=426.0 ANTI-VORTER / - �- 6" PERE PVC- DEWATERING TOP=422.0 _ INV=419.5 Concrete' 18%60%60" .\ 16+00 10+50 \ � 81.69 LF 24" HDPE I !^ INV IN=410.80 INV OUT=408.20 (TO STR. E2) Y- E 1 I I I ' II /I / E / I / E / E / E` ,- I, I w w ; I/ E / / ' E E , i SA E ' 1 E , 1 I E ' i I / i E i I i 1 I I I I l / I 11 +00 11 +50 12+00 SEDIMENT BASIN PROFILE HOR: 1"=40, VERT: 1"=10' DESIGN HIGH WATER (25-YR. STORM ELEV.) 67 C.Y./ AC. "DRY' STORAGE C: WET TOP 67 C.Y./ AC. "WET" STORAGE TOP: 426.0 MIN. f 2.0 I 1 MIN. 3.0' 12+50 13i MIN 0 5 MIN. 1 .0 36" RISER CREST= 423.0 6" DEWATERING DEVICE B: SEDIMENT' �.� " CLEANOUT POINT A: BOTTOM DESIGN ELEVATIONS WITHOUT EMERGENCY SPILLWAY (RISER PASSES 25-YR. EVENT) DA Wet Wet Dry Dry Vol. A 8 C Riser Vol. Vol. Cy Vol. Cy 25 yr Elev. (Acs.) (Req.) (Prov.) (Req.) (Prov.) WSE 418.0 419.5 421.0 423.00 5.24 351.1 645.0 351.1 611.0 424.00 2 SEDIMENT G$ NOT TO SCALE DESIGN TABL] 40 0 40 80 120 Scale: 1"=40' SOIL EROSION & SEDIMENT CONTROL SYMBOLS SYMBOL N0. TITLE \' [DRAWN TO SCALE] VARIALE WIDTH R/W /i�Z•,;��,` 'D / ,.B.1205-314' ♦ ` PS f Hly�''P.B.XI-257 34RU 26 a v, C)D J __❑ \ I I I I II I KEY 3.02 PAVED CONSTRUCTION ENTRANCE PCE 3.03 CONSTRUCTION ROAD STABILIZATION CRS 3.05 SILT FENCE SF 3.09 TEMPORARY DIVERSION DIKE DD 3.10 SAFETY FENCE SA 3.13 TEMPORARY SEDIMENT TRAP ST 3.31 TEMPORARY SEEDING TS 3.32 PERMANENT SEEDING PS 3.35 MULCH MU 3.39 DUST CONTROL DC TREE PROTECTION FENCING 435 430 425 420 415 TF14 Date 11 Z01 2018 Scale 1 "=40' 1 Sheet No. C8 OF 12 File No. LIMITS OF DISTURBANCE: 8.70 AC SEDIMENT TRAP DRAINAGE AREA \ / SEQUENCE OF CONSTRUCTION - STAGE 2 I1111 \ --'% ---- 1. MAINTAIN PERIMETER CONTROLS. INSTALL NEW CONTROL MEASURES AS ------_-' ---_-- - I\ � \ / SHOWN. �_I--�� III / - \ \ / / /__ __ i I + , / /� + z \\ �,% `, - � ' �' _ ;; ;--,,-1,',' �----- _ ----_ _% ,�/ / I -----,\ 2. AS STORM STRUCTURES ARE CONSTRUCTED, INSTALL INLET PROTECTION. 3. ALL DITCHES SHOWN ON THIS SHEET ARE PERMANENT AND SHALL BE I /// _ \ \\ \_ _____,� /I , _ + > STABILIZED WITH MATTING AS LISTED ON SHEET C12. i,,�+/ v I / / ' , / / / /,' / — v _ + �' �/ - + \ + 4. SITE MUST BE FULLY STABILIZED BEFORE REMOVAL OF SILT FENCING. I' ✓✓; , '�' \ + ;' +/ , , r;� + I I 5. AS AREAS ARE BROUGHT TO GRADE, APPLY MULCHING, TEMPORARY SEEDING AND PERMANENT SEEDING. I// / \vv `V / j / // I \\\ vv \\ I vvvv I /�/'�/ III + +' v\V I ____ l ` �alllj ll� �I AI V vvvv : ��/x maxV :. Y // + I+ it II v Oi'v' + +I e F SAF V I III ' I I I / • A A r , A/ r„ / , , / A 1 \ G i -�, Cl • `\\ \\\ Q I / 1 v \ v ,/`v �r // / /♦ I 1 I�V A v _ \ � i I I ' I' ' III I l ' / /' r' / I \\ � I � � I ' y ,� / r,' /' •, � / ' / \ ``. S DIM PRINT TRAP POR, ( Z REFERENCE) i - , l s \V I // / / '' f '\�,'/ ,// / �/•/ / � - -- - - IIECUL-DE-SAC I 1 -CONSTRUCT CiAW L-DwE S�AI C�AFTER - � -------- ,SEDIMENTRAP 3 S DEWATERE D ------ - - - - - - \\ \ \\ \\ `p i 4 � 5 , \� /-- --- -- ----'- -----' v�40'�• ' `- salvo / / -- -- - EXTEND'BASIN CULVERT J IIII I I ' I�--/ INTO MANHOLE El. SEE I f llr C IIII Av III I I I / / ,'�-� _ -\VA �.L•• - - ' / / , �� ',% A� �� DETAIL 1: SHEET G11 I I I J O / 3 • \�.. --.. _. /_-' I � / � / 28 / s � a-U >wv --'IP XI CO - I I ` I I I l 1 T _ —'- 34 ,' 0/ --- ,v ,. , / r - ��, �CO vV I I I III II_ -I �� /' I 1 IvF A I I ` ( I I 1 li 40 _ _ J' I Ilw�-il CONSTRUCT TOWNHOMES ' ENTRANCE AFTER BASIN L IS DEWATERED i I � z II \-II D \ �`__ I I -_ -- _ __• �� ` -_\ _ �j8 � \ � C' � \ 1 1 � �W 1 1/ I /' // '/ � /' i' a I ,�/ E1 __ I i ' ____ ____ _L_ _ Cj �`_______ \ -- \C - \ I �\\ /. + U \I I \-48 � \�\ \\ \ �\�\ \•. '\.: \\ \' \\\_\ \ \ Sl�\ _ _- \\ w�, I I / _-- \l // i' , ,' 1 I 1 i � - -_- � �1 E 4 1 I/ /J \ .^�� ; A' V A\ ��� A - / _ •GW i VT'C A /A ` I l I i i _ / /' - A V A \V 4 E �� �i\\ L IP F `w w— w w w—w \w—w w—w4 —w \ \ wl LLv w w� wiw —v\r Jw w. _w �w �\ �\ \\ \\ , ,r / , _ •/• / /',' ,' 1 III �-- � � (� 77 (� f 3 v V `v v v� I A v ,' v S r PC , --I - \ \1z i r \ 5 CP _ \ F \ -- II IT I\ \ \ \ I IE � I / �\ \ -aI .` \ \� \ \\� I / ,% � ,/ � H5 ., / � \ •'� / `\ I`\\ II � 30 0 30 60 90 'B - - - - -- PS ' ' f ___ I A I I 1 , ) Scale: 1"=40' uf _ T SOIL EROSION &SEDIMENT CONTROL SYMBOLS t I PS/ to s I _ - _ _ • � •• _ _ — - SYMBOL NC. TITLE KEY : -\ _® 54 j 1 � / / � / // � I /I/ I N. Iy I. H w/ w w ...r.. ..��.. s _ �£-5-, i i II • .. I h (• W w - - W I - \ % --- --- 5 — _ 3.02 PAVED CONSTRUCTION ENTRANCE _ 5s \'\ PCE I — — — — I w w w I / i � w. \ — , _ �_ � _ - _ \ I I I •' N __f � � R ;� '�-- 3.03 CONSTRUCTION ROAD STABILIZATION CRS n I vv x —x —x —X 3.05 SILT FENCE SF \\\ i o� — �— — — — — ;'— — — �," � -, DIVERSION BIKE — — / i ---- - 3.09 TEMPORARY DD `\ ---------------------------- — — — — �_ I 310 SAFETY FENCE 30— -� � •� ITT I / - — — - - 3.13 TEMPORARY SEDIMENT TRAP ST � � v�_ __ [DRAWN TO SCALE] STg/ E ROUTE 1 5TH C, / TS 3.31 TEMPORARY SEEDING VARIALE WIDTH R�W TS ' M5 _-�i \ �— ' , D.B.1205-314' " III I\ H r 3.32 PERMANENT SEEDINGy..TRU 262 PS v v v 3.35 MULCHAlft MU 3.39 DUST CONTROL DC / TREE PROTECTION FENCING LIMITS OF DISTURBANCE: 8.70 AC ` 0 v r_ N 0 0 � n z V N Lj N W Q W Z �z v W w a ��Ll o w� a® w� Z rr� N \`1/ c� 0 ~ N w nW J J 7 > I N w W <U (n� w 0 CU Q w Ot U TII N Z Z O � U p W LL M g�Q a � Ca O W L Q Date 11 01 2018 Scale 1 "=40' Sheet No. C9 OF 12 File No. 18.004 CONSTRUCTION OF A SILT FENCE (WITH WIRE SUPPORT 1. SET POSTS AND EXCAVATE A 4"X4" 2. STAPLE WIRE FENCING TO THE POSTS. TRENCH UPSLOPE ALONG THE LINE OF POSTS. FLOW 3. ATTACH THE FILTER FABRIC TO THE WIRE FENCE AND EXTEND IT INTO THE TRENCH. 4. BACKFILL AND COMPACT THE EXCAVATED SOIL. EXTENSION OF FABRIC AND WIRE INTO THE TRENCH. FILTER FABRIC \I 11 WIRE H SILT FENCE C 10 Not To Scale W. WIRE SUPPORT GRAVEL CURB INLET SEDIMENT FIL TER GRAVEL FILTER RUNOFF WATER SEDIMENT CONCRETE 12' WIRE MESH FILTERED WATER razi�11 l boon, mi IIIII�I - - lou Iglu IIII 7 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 3 INLET PROCTION IP) 2Q Not To Scale 1992 3.35 TABLE 3.35-A ORGANIC MULCH MATERIALS AND APPLICATION RATES RATES: MULCHES: NOTES: Per Acre Per 1000 sq. ft. Straw or Hay IN - 2 tons 70 - 90 lbs. Free from weeds and coarse (Minimum 2 matter. Must be anchored. tons for Spread with mulch blower winter cover) or by hand. Fiber ?Mulch Minimum 35 lbs. Do not use as mulch for 1500 lbs. winter cover or during hot, dry periods.* Apply as slurry. Corn Stalks 4 - 6 tons 185 - 275 lbs. Cut or shredded in 4-6" lengths. Air-dried. Do not use in fine turf areas. Apply with mulch blower or by hand. Wood Chips 4 - 6 tons 185 - 275 lbs. Free of coarse matter. Air- dried. Treat with 12 ibs nitrogen per ton. Do not use in fine turf areas. Apply with mulch blower, chip handler, or by hand. Bark Chips 50 - 70 cu. 1-2 cu. yds. Free of coarse matter. Air - or yds. dried. Do not use in fine Shredded turf areas. Apply with Bark mulch blower, chip handler, or by hand. " When fiber mulch is the only available mulch during periods when straw should be used, apply at a minimum rate of 2000 lbs./ac. or 45 lbs./1000 sq. ft. Source: Va. DSWC 5 MULCHING MU C Q Not To Scale TABLE 3.39-A ADHESIVES USED FOR DUST CONTROL Water Application SAFETYFE 1 �/ TUP� Adhesive Dilution (Adhesive: Water) TypeRate Nozzle Gallons/Acre Anionic Asphalt Emulsion 7:1 Coarse Spray 1,200 Latex Emulsion 235 O 12.5:1 Fine Spray in man ONE Now o Resin in Water 4:1 Fine Spray 300 Sediment Trap Design Data H Z Weir Length DA Wet Vol. D1 Wet Vol.r Bottom Dry Vol. D2 Dry Vol. To SA Acrylic Emulsion No. A 3 C ft () (k) (ft.) . (Acs) (Req.) (ft) (PrOv.) .) SA (sq. ft.) (Req.) (ft) ' ro (PrOv.) (sq. ft.) ;::■••� (Non -Traffic) Acrylic Emulsion 7:1 Coarse Spray 450 3 409.5 412.0 414.0 3.0 4.0 17.4 2.90 194.3 2.5 198.6 1890 194.3 2.0 211.9 3320 0 (Tralhc) 3.5 1 Coarse Spray 350 ORIGINAL / GROUND // RGI EL=C Top Surface Area 1 Z 1.0' DRY STORAGE p2 H 67 CU. YD./ACRE EL=B WET STORAGE 67 CU. YD./ACRE , (EXCAVATED) FILTER CLOTH ORIGINAL GROUND EL=A Bottom Surface Area ELEV. *SEE PLATE 3.13-1 COARSE AGGREGATE CLASS I RIPRAP CROSS SECTION OF OUTLET CLASS I RIPRAP LENGTH (IN FEET) _ 6 X DRAINAGE AREA (IN AC.) _ DIVERSION DIKE SSA COARSE AGGREGATE EXCAVATED l/FILTER CLOTH AREA COARSE AGGREGATE AGGREGATE SHALL BE VDOT #3, #357 OR #5 OUTLET (PERSPECTIVE VIEW) TEMPORARY SEDIMENT TRAP (ST) Plot To scale IaaGZ.`1,to] I0A10 UT ILy 9 PERSPECTIVE VIEW PLASTIC FENCE SOURCE: CONWED PLASTICS VDOT ROAD AND BRIDGE STANDARDS VA. DSWC PERSPECTIVE VIEW METAL FENCE 4 SAFTY FENCE SAF C1 Q Not To Scale PLATE. 3.1-1 6 )DUST CONTROL (DC C1 Q J Not To Scale TABLE 3.31-C TEMPORARY SEEDING PLANT MATERIALS, SEEDING RATES, AND DATES SEEDING RATE NORTH w a SOUTHb PLANT art 5/i 8/15 2/15 5/1 9/1 SPECIES CHARACTERISTICS Acre 1000 ft, to to to to to to 4/30 B/IS II/1 4/30 9/I II/15 OATS 3 bu. (up to IW lbs., 2 lbs. X - - X - - Use spring varieties (e.g., Noble). Avena saliva not less than 50 lbs.) RYEd 2 bu. (up to 110 lbs., 2.5 lbs. X - X X - X Use for late fail seedings, winter (Swale cereals not less than 50 lbs.) covet Tolerates old and low moielure. GERMAN MILLET' 50 lbs. approx. t lb. - X - - X - Wvm-season annual. Dies at firer (Setaria ilal'ce frost. May be added to summer ms. ixe ANNUAL RYEGRASS` 60 lbs. 1'h IIIIX - X X - X May be added in mixes. Will Lolium multiru -Flom) mow out of most elands. WEEPING IS lbs. 5'h oon.- X - - X - Warm -season perennial. May LOVEGRASS bunch. Tolerates hot, dry slopes Ere rostra cam] and mid, infertile soils. May he added to mixes. KOREAN 7S lbs. approx. t'h X X - Warm season annual legume. LESPEDEZA` lbs. Tolerates acid wits. May be ra eti ulacea added to mixes. a Northam Piedmont and Mountain region. See Plates 3.22-1 and 3.22-2. b Southern Piedmont and Coastal Plain. ` May be used as a cover crop with spring seeding. d May be used as a cover crop with fall seeding. 7 )TEMPORARY SEEDING (TS 10 J Not To Scale TYPICAL VEE-,SHAPED DIVERSION Source: Va. DSWC A CLEAN W. Q Not To Scale Plate 3.12-1 �rl� I �� �� y li � ✓�il � .�� � ��� � 1 �, d1/ I I � � IIy SIC\L CONSTRUCTION ACCESS STONE CONSTRUCTION ACCESS -� 70' MIN. 3" SM-2A ASPHALT TOP COURSE 2.% 27 V N. 2'A AGGREGATE BASE PROFILE 70' MIN. ASPHALT PAVED �O �WASHRACK EXISTING PAVEMENT EXISTING f 2% FPAVEMENT-J z% t *MUST EXTEND FULL WIDTH L-A. POSITIVE DRAINAGE OF INGRESS AND EGRESS O TO SEDIMENT OPERATION 111 TRAPPING DEVICE PLAN 12' MIN. POSITIVE DRAINAGE 2% TO SEDIMENT TRAPPING DEVICE FILTER CLOTH) _-- SECTION A -A A Iuulumuu water tap of 1 inch must be installed with a uvuinumi 1 inch ballcock shutoff valve supphriug a wash hose with a cliameter of 1.5 inches for adequate constant pressure. Wash water must be carried away from the entrance to an approved settffi g area to remove Sediment. All seduuent shall be prevented from entering sto in drams, ditches or watercourses. PAVED WASH RACK NO SCALE �9:) PAVED CONSTRUCTION ENTRANCE (PCE) C1 Q j Not To Scale PERMANENT SEEDING SPECIFICATIONS February 16 through April 30: Kentucky 31 Fescue - 128 Ilbs/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 lbs/acre; Red Top Grass - 2 Ibs/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 Ibs/acre. Add 20 Ibs/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 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 IDS. per acre of 10-20-10 (10 lbs. per 1,000 square feet) or equivalent. 1 o PEE C1 Q Not To SEE N O m N N > H (n w J I J 0 > I N w ___ I - In H Qo W N Q i 0) O 1 M. SI1tMP a1 '10NAL F'�G N . Q _Z aa� `> 144 Z 0 liio � U 0 W LL J Z g�Q a � a O W Date 11 01 Z2018 Scale Sheet No. C10 OF 12 File No. 18.004 430 7 425 420 t 415 410 405 0 480 475 470 465 460 455 450 445 440 435 5$30 c11 oT�ORM SEWER PROFILE: DI -D2 z EIA •r111���!! •ei� • �:GRADE�oil ■■_�_II II 40 z zz 10+00 445 440 435 430 425 420 415 4 10+50 430 425 420 415 410 g405 11+0000. STORM SEWER PROFILE: El-EIA HORIZ: 1"=30' VERT: 1'=10 440 435 430 425 420 415 410 405 YW 460 455 450 445 440 435 430 425 420 415 410 405 400 1_ r_ Nim ME !NEW MEN • e �JIr�.�— �11� —r1r_�— � 'Phil• Irrrrr� � 11�1I— �� _! �f-s!r �� �r1— �■mr_r� �nw�■� Phi �■■R� �■� ffiW111 MINE �r1i .. - —rrlJC� �11��1. a Lam• i_—_ rrF.i Sol —Irrirl �rrrrts���r,l,—_ff�f. ����n .e �rlr�tl�� � • ' 1 U �— I I ■ _II �11�ii1i11� lip 11�� f•�t°i�� ��y �'YN{R'P'—� �— _r1 rrrrrl■Irrr■� _rr ,• a = _rr� I rrrrrlri— G— —� �— rr■rr�— on c1■:P _■! �ra� �� �_ �_�_ �_�_ z 10+00 10+50 - 11+00 r_ rrrl°d G �Edfl�-.� rrrE3- -•NMR 7 • ..��[� --F7��i71r1 —rr� - ri► �-aF_i'��Irl —Irk _1lrrrrrrrr■r�`I11�111I —11� _11—w191(IlIGIi�IC#�171 111� _r1 F3l�is,�■I � rr� �ll loll �17 - -1 E 1rrCf ■ -- IVA 41 STORM SEWER PROFILE: E2-F4 C11 HORIZ: 1"=30' VERT: 1'=10' 440 435 430 425 420 415 410 405 00 11+50 12+00 12+50 13+( 2 STORM SEWER PROFILE: EI -E9 C11 HORIZ: 1"=30' VERT: 1'=10' 450 445 440 435 - 430 425 420 415 410 405 • CCQ�--°-r�I— �al IN CCs _ C Irrr_ E\�1T III Irrr_ Nli - F7l�Irrr_ 435 435 430 430 425 425 420 420 415 415 410 410 405 405 10+00 10+50 11+00 STORM SEWER PROFILE: E2-G4 C11 HORIZ: 1"=30' VERT: 1'=10' ��—fie =�1� �1�1■ ���Ir'■ —11� 11■ r � �111�•. IPA n - if•Tl�fllil•�in!�im �� oOW _ACTEDONE •� �� COMPACTEL— —�OM m m mm ■ —�III 10 10+00 10+50 11+00 11+50 12+00 1 STORM SEWER PROFILE: E6-I9 C11 , HORIZ: V=30' VERT: 1'=10' 12+50 13+00 13+50 445 440 V y435 Y 430 425 420 44415 14+0010 450 445 440 435 430 425 420 10+00 1 450 445 440 435 430 425 10+5Y0 13+50 14+00 14+50 15+00 15+50 16+00 16+50 465 460 455 a450 f Y445 440 435 430 425 420 415 410 405 17+0$00 Sol MIS lrrrrrr_ ��i•—Irrr119Gi _ .• _ �-11_�_—. �� �■fug 11 �11�i.�glr�aa� 14 ■71S -- -- 1 1 00 1 00 1 11 / 144 1 00 8 ) STORM SEWER PROFILE: E7-E7A C11 HORIZ: 1"=30' VERT: 1'=10' 6 ) STORM SEWER PROFILE: E4-H6 C11 HORIZ: 1"=30' VERT: 1'=10' 445 440 435 430 425 420 415 410 _405 455 450 445 440 435 430 425 5 420 2 STORM ��SEWER PROFILE: M1-M5 C12 HORIZ: 1"=30' VERT: 1'=10' M2 0 440 ""' � 2 435 430 425 420 415 µjj 450 445 440 435 430 425 420 415 410 405 400 10+00 10+50 11+00 11+50 12+00 12+50 STORM SEWER PROFILE: M1-M5 C12 % HORIZ: 1M=30' VERT: 1'=10' 455 450 445 440 435 430 425 420 NO I=, .�C �II � NEENNEENNE 440 435 430 425 420 415 410 10+00 10+4 C'IMnTl1Rd C'IT_.1TATT_.1TI T_)T_)n1PTT T_,1. I fn -kfn A W. 501 III 64 e�l� 1,i'IgHW� HORIZ: 1"=30' VERT: 1'=10' 450 445 440 435 430 425 420 M4 C W- - C�MISSION! C ��J� l9Cis leBAl[� �►� ®II _ �7: 1lTi� �7G �I•- MINOR IN , INNER I mil=s INNER All nm -� -11_ IaIII ���II_ III �IIC '::� A B nm ENEMIES . .._ II! �.._ _I._ .. II. II -_III II_--m II �Ifi� II_ loom IN -kg6I II_e-AIM- II -III �► 9_ II �Er .11L .HINNER ICbl� loom .i?I�i1�-�J� _II -116--�WIYii�-IC�� III-ifl.S\���J� IN _II -II -11 _ ai �-A 11 _II �ff� --iCJLiEifaL•1"L{9L"�GG1K]] E1 -� �alarrws. - �iiltil� �� t-3-q -� liffa ■�� �� _ �� �MONSOON! MISSIONINNER -� l� _ l_ -� _ -� 13+00 13+50 M3 L5 445 440 435 430 425 420 415 4 445 4-40 435 430 425 420 4-15 10 > zz 10+50 11+00 11+510 10+00 STORM SEWER PROFILE: M3-L5 C12 ) HORIZ: 1"=30' VERT: 1'=10' 111P�SilF� l 11511 _I MINI �11�>•L�IL2711- _II SEEN is me �� �1l-- II- C " C I II on -•- e _ '. _ill SENSE� _II 1=� _ER I MINIMUM -�- MINIMUM iAl► VV -_ �!= SEEM IMENOMINEE _ 111 B �= MISSIONox 450 445 440 435 430 4225 �_-- 10+50 11+00 a 11+5(J40 10+00 5 STORM SEWER PROFILE: L4-L4A C12 HORIZ: 1"=30' VERT: 1'=10' .` SLOPE OUTLET PIRWPE TO INVERT SECTION A -A METHOD OF TREATMENT IN DROP INLETS SLOPE TO DRAIN I - OYTLEf RK DETAILS OF^NVERT SHMNG AS SM D HEREON ME FOR E>SHAPE - A JNDIRDSES ONLY. EACH uMBIU.E GR DROP HET IS TO U SHAPED WSVDUMIY TO BEST FIT THE PIRTX%AM INLET MID OUTLET CONF,GIMATIW ANO FLOW LINES. SECTION B-8 PLAN METHOD OF TREATMENT IN MANHOLES ICATI ROM AND BRIvDGE S STANDARDS STANDARD METHOD OF SHAPING SPEp 51EET 1 DF , REVISION RATE MANHOLE & INLET INVERTS J02 100.0B VIIOINA 0DPM1N[XT OF TRNAPpITMXN A L WI TMICKM= VMES P. 455 450 445 440 435 430 425 420 415 410 4 405 14+0000 END -SECTION 12" - 60" PIPE EQ WWRPSE TOABEBJ OvkMETElt C a AE 9TF -IL PIPE �roL� SECTION X-X END VIEW SECTION A -A SECTION B-B NOTES, 1. TIE STMDMD SAFETY SLAB ISL-D 15 TO W USED ONLY WHEN SPECIFIED N THE PLM S W THE DRAIHADE SLMMMY SHEET MO/GR TXE pRNNIBE OESCRIPNON. FOR MMXOLEi JUNCTION BDlIES, MD DROP ItIET$ WRX HELLCATS GREATER TWN 12 FEET, TIE SPICING OF /DJ/CENT SAFETY SUBS SNAUL BE 8•TO 12'W1T11 NO SAFETY AAB LOCATED WITWN 8 FEET OF TIE TOP OR BOTTOM OF THE STRUCTURE. SAFETY SUMS SHILL NOT BE LOCATED BELOW MY INLET WE OF 30" DIMETflt OR GREATER. 2. TW LOST OF THE SL-i 6 NCUMED IN TIE COST OF THE STRUCTURE. SEE CAST N RACE DRAWINGS FOR FURTHER DETAILS J. ACO155 ME TO BE STIC FROM ONE SIDE Of STRUCTURE TO THE ERENGS OTHER WHERE MRICIBLE. STEPS ARE E TO BE STAGGERED NCCORMNGLY. 6 S BARS R 8" C-C TYP. 4. SMETY SUB MAY BE CASTHMPLACE AIR PRECAST. CMT-IN-PUCE CONCRETE TO BE CLASS AT (3D00 P50. PRECAST CONCRETE IS TO BE M (4000 M). RENFGRCNG '. . STEEL TO BE N ACOGROMTE WITH AASHTO M31. 5. ADCESS OPENINGS NAY BE SO' DIAMETER OR M' SOMME, WHEN STRUCTURE WDTH IS LESS THM JO•' TIE ACCESS OPENING SHML BE RECTMGULM (STRUCTURE WIDTH BY Jo^ LOW).TYPICAL PRECAST UNIT � s TYPICAL CONCRETE SAFETY SLAB FOR DROP INLETS, sP REM RGM MDMDS MANHOLES AND JUNCTION BOXES SHEET , GF i REVI90N DATE J02 M.,NUMBI t DEPMTLENT OF TRMSPdtTATIW ENO SECTION DIMENSIONS A B C D E 4" 2. 0.. 2.0" 4'-0.. T-D" 9 2 T 1. 9. 4-0. ]' 0" 9 2 11" 2'-T.5 O• J 6 ] T' 2 6 8 1' 4+0' j48" W 4 0" Y I' fi t 4.6- 1-Y 4 -W� - 1'-3" 5-3" 1'-9" 5'-S' 2--M' 2-0- 6'-0" 2'-2" 0'-2" T'-0" 2--]" 5'-5" 2'-9 " W-2 " 7'-6" n PIPE OUTLET CONDITIONS A 3do (MIN.) )IPE OUTLET TO WELL )EFINED CHANNEL ANEA VF1'1'ri NU LIL''C'1NEV CHANNEL ` L $ d SECTION A -A FILTER CLOTH KEY IN 6"-9•; RECOMMENDED FOR ENTIRE PERIMETER NOTES: 1. APRON LINING MAY BE RIPRAP, GROUTED RIPRAP, GABION BASKET, OR CONCRETE. 2. La IS THE LENGTH OF THE RIPRAP APRON AS CALCULATED USING PLATES 3.18-3 AND 3.18-4. 3. d = 1.5 TIMES THE MAXIMUM STONE DIAMETER, BUT NOT LESS THAN 6 INCHES. Pipe Outfall Q10 (cfs) La (ft) Do (ft) 3Do (ft) d50 (in) depth (in) Outlet Condition D1 0.50 6.0 1.25 3.75 6.0 9.0 Channel 5 OUTLET PROTECTION TABLE OP C12 Not To Scale Ditch Sections Channel 10-Yr Flow Channel Channel Ditch Lining Depth Depth Width Side (Ft) Slope 9 EC-2 Matting 11-0" 0.81 6'-0" 3:1 10 EC-2 Matting 11-011 0.87 8'-0" 4:1 11 EC-3 Matting 1'-0" 0.39 6'-0" 3:1 Width Entrench Lining 6" Depth TYPICAL DITCH SECTION DETAIL Not To Scale HHDUBB ALTERNATE END -SECTION 12" - 60" PIPE SPIDOTTIDEHm ONmYMET EREMMO-�SECTIDRIONS I 1% � pE J MITI TT E PLAN 11 EI CSLG iI$tIC REINFCRCELENT J_ 4 I A O E PAY LINE END VIEW SECTION X-X END SECTION DIMENSIONS PIPF O,AMETER A 8 C 0 E IT 4.. X 0- 4._,.. 5.. p. 2..01. 15.. 5.. ..J.. -q 37" V 2' 6" 10' 9 2' ] 3' W" 8 Y 0 0" 2T 9' 211 3 2" 5 1 3'-0" 24 1- 3' T 2 6" b J -0" -5' 35.. I. 5._3,. .-p .. B.q b..p, 42'• -5.. 5._3., 2.1p. W".. 5.-p.. 40" 2. p.. 5,_0.. 2..2.. G._2.. 2._p.. 54' 2'-3.. 5'-5' 'i1` 1'-4" T'-G" 1. W -PAY NE c e NOTES PPE LENGTNS "M W PLANS MEBASED ON END SECTION DESIGN SHDWN ON TIE E CONTRACTOR ELECTS \\�� TO VA TW F TK MTEBNATE DESIGNSIbWN W TIE RBPIT. LENGTHS WILL BE REDUCED BY 7 TIE DEFERENCE N OMENSION FLARED END -SECTION FOR 12"-60" CONCRETE PIPE CULVERTS ']02 VIR::INIq DEPMIMENI OI IRMISPpRATION DRIP LINE -\ SNOW FENCE CORD FENCE BOARD FENCE CORRECT METHODS OF TREE FENCING N'mm CORRECT TRUNK ARMORING 00 TRIANGULAR BOARD FENCE (8�TREE PROTECTION FENCING Not To Jcale TYPICAL GRAVEL STRUCTURE 9 � RIGHT OF WAY DIVERSION (RWD C 1 2 Not To Scale N 0 N N N N W J _ _J 0 j I N W H I - In F Q 0 w rc N Q z m O TIJ 4� 1 M. SI ttMP DI sP2i n �4 '10NAL F'�G N _Z Z 0 � U 0 W LL Z g�Q a a O W Date 1 1 01 2018 Scale 1 "=20' Sheet No. C12 OF 12 File No. 18.004