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HomeMy WebLinkAboutWPO202100030 Plan - VSMP 2021-06-02MONTICELLO HIGH SCHOOL MODULAR CLASSROOM ADDITION AND RENOVATION SITE DATA: TAX MAP PARCEL: 09100-00-00-00200 LIMITS OF DISTURBANCE: 0.50 AC ZONING: R15 RESIDENTIAL SETBACK: 15' FRONT 5' SIDE 20' REAR MAGISTERIAL DISTRICT: SCOTTESVILLE SOURCE TOPOGRAPHY: TIMMONS GROUP, APRIL 2021 DATUM: HORIZONTAL: NAD83 (NA2011) VIRGINIA STATE GRID SOUTH ZONE VERTICAL: NAVD88 ESTABLISHED THROUGH LEICA SMARTNET BUILDING HEIGHT: 18.33' (ADDITION) BUILDING AREA: 7,750 SF PROPOSED USES: MODULAR CLASSROOM ADDITION AND ASSOCIATED SITE WORK WETLAND IMPACTS: NONE WATER SUPPLY: ACSA SANITARY SEWER: EXISTING SEWER SYSTEM DRAINAGE DISTRICT: MOORES CREEK THERE ARE CRITICAL SLOPES LOCATED WITHIN THE PROJECT LIMITS. THERE ARE NO CONSTRUCTION ACTIVITIES PROPOSED WITHIN THE 100-YR FLOODPLAIN. THE SITE IS NOT LOCATED IN A WATER SUPPLY PROTECTION DISTRICT. VSMP PLAN COUNTY OF ALBEMARLE, VIRGINIA ALBEMARLE COUNTY PUBLIC SCHOOLS DISTRICT 05/10/2021 Virginia C► � Community - O WO C, College 1NOR --_ ___!. 0 3n StT 5` r OAK HILL MILL CREEK !` INDUSTRIAL PARK LAKESIDE 1114 53 „13 Q Charlottesv�IeClosets LY N HILLS" LAKE7REYNOVIA MILL CREEK VILLAGE SITE LOCATION HOMES III AVON PARK VICINITY MAP SCALE 111:20001 OWNER: ALBEMARLE COUNTY SCHOOL BOARD 401 MCINTIRE RD CHARLOTTESVILLE, VA 22902 CONTACT: JOE LETTERI TELEPHONE: (434) 975-9340 FAX: (434) 975-9341 ENGINEER OF RECORD: TIMMONS GROUP 608 PRESTON AVE. SUITE 200, CHARLOTTESVILLE, VA 22903 CONTACT: JONATHAN SHOWALTER, P.E. TELEPHONE: 434-327-1688 EMAIL: JONATHAN.SHOWALTER@TIMMONS.COM Sheet List Table Sheet Number Sheet Title CO.0 COVER C1.0 NOTES AND DETIALS C1.1 NOTES AND DETAILS C2.0 EXISTING CONDITIONS AND DEMO PLAN C3.0 EROSION & SEDIMENT CONTROL NOTES & DETAILS C3.1 EROSION & SEDIMENT CONTROL NOTES & DETAILS C3.2 EROSION & SEDIMENT CONTROL PLAN - PHASE I C3.3 EROSION & SEDIMENT CONTROL PLAN - PHASE II C4.0 LAYOUT AND UTILITY PLAN C5.0 GRADING AND DRAINAGE PLAN C6.0 STORMWATER MANAGEMENT PLAN C6.1 STORMWATER CALCULATIONS C6.2 STORMWATER CALCULATIONS TOTAL NUMBER OF SHEETS = 13 APPROVED by the Albemarle County Communityy Development Department Date 6/2/21 SIGNATURE PANEL APPROVAL DATE DEPARTMENT OF COMMUNITY DEVELOPMENT PLANNING & ZONING ENGINEERING INSPECTIONS ARCHITECTURAL REVIEW BOARD DEPARTMENT OF FIRE AND RESCUE ALBEMARLE COUNTY SERVICE AUTHORITY VIRGINIA DEPARTMENT OF TRANSPORTATION :179G1:i1LTA lqkill L- xi -Ty OF ! ,o ,dam 2' C' ,L!N.1T111\ M.SHOW..4LTL•R y Lic. No. O40_057151 05/10/2021 A t 1�C'N CL O oc H Ii DATE 05/10/2021 DRAWN BY n DESIGNED BY AM CHECKED BY JS SCALE AS SHOWN G 0 �.0 VJ J U oC Q J D 0 0 i 2 0 J J W U HL� 1 z 0 LU 0 U IOB NO. 44694.005 SHEET NO. Co. 0 GENERALNOTES 1. ALL MATERIALS AND CONSTRUCTION METHODS SHALL BE IN ACCORDANCE WITH CURRENT VIRGINIA DEPARTMENT OF TRANSPORTATION'S SPECIFICATIONS AND STANDARDS. 2. PRIOR TO ANY CONSTRUCTION, THE CONTRACTOR SHALL CONSULT THE ENGINEER AND VERIFY THE APPROVAL OF THE PLANS BY ALL FEDERAL, STATE AND LOCAL AGENCIES. 3. LAND USE PERMITS (LUP-A) MUST BE OBTAINED FROM THE VIRGINIA DEPARTMENT OF TRANSPORTATION PRIOR TO BEGINNING ANY CONSTRUCTION WITHIN THE EXISTING STATE MAINTAINED RIGHT OF WAY (INCLUDING ACCESS). 4. THE CONTRACTOR SHALL VERIFY THE ELEVATIONS OF ALL POINTS OF CONNECTION OR PROPOSED WORK TO EXISTING CURBS, SANITARY LINES, WATERLINES, ETC, PRIOR TO CONSTRUCTION. 5. UPON DISCOVERY OF SOILS THAT ARE UNSUITABLE FOR FOUNDATIONS, SUBGRADES, OR OTHER ROADWAY CONSTRUCTION PURPOSES, THE CONTRACTOR SHALL IMMEDIATELY CONTACT THE OWNER. THESE AREAS SHALL BE EXCAVATED BELOW PLAN GRADE AS DIRECTED BY THE OWNER, BACKFILLED WITH SUITABLE MATERIAL AND COMPACTED IN ACCORDANCE WITH THE CURRENT VERSION OF THE VDOT ROAD AND BRIDGE STANDARDS AND SPECIFICATIONS. 6. ALL STORM SEWER DESIGN AND CONSTRUCTION TO BE IN ACCORDANCE WITH VDOT I AND I LD-94 (D) 121.13. 7. ALL STORM SEWER PIPE SHALL BE REINFORCED TONGUE AND GROVE CONCRETE PIPE IN ACCORDANCE WITH ASTM-C-76. PIPE WITHIN THE RIGHT OF WAY SHALL BE MINIMUM CLASS III OR GREATER IN ACCORDANCE WITH CURRENT VDOT STANDARDS AND SPECIFICATIONS. 8. IF PRE -CAST UNITS ARE TO BE USED, VDOT SHALL BE NOTIFIED AND THE MANUFACTURER SHALL SUBMIT DRAWING DETAILS FOR REVIEW. CERTIFICATION AND VDOT STAMP WILL BE REQUIRED ON ALL UNITS. 9. ALL CONCRETE SHALL BE A3-AE (AIR ENTRAINED 3,000 PSI), UNLESS OTHERWISE NOTED. 10. DESIGN CHANGES, SPECIFIED MATERIALS CHANGES AND/OR FIELD CHANGES FROM THE APPROVED PLANS NEED TO BE RESUBMITTED TO THE ENGINEER PRIOR TO PROCEEDING WITH THE WORK. A LETTER OF EXPLANATION SHALL ACCOMPANY THE REVISED PLANS AND/OR THE DRAINAGE CALCULATIONS, WHICH MUST BE SUBMITTED AND APPROVED BY THE ENGINEER. 11. CONTRACTOR SHALL VERIFY LOCATION AND ELEVATION OF ALL UNDERGROUND UTILITIES SHOWN ON PLANS IN AREAS OF CONSTRUCTION PRIOR TO STARTING WORK. CONTACT ENGINEER IMMEDIATELY IF LOCATION OR ELEVATION IS DIFFERENT FROM THAT SHOWN ON PLAN. IF THERE APPEARS TO BE A CONFLICT, AND/OR UPON DISCOVERY OF ANY UTILITY NOT SHOWN ON THIS PLAN, CALL MISS UTILITY OF CENTRAL VIRGINIA AT 1-800-552-7001. THE OWNER SHALL BE RESPONSIBLE FOR THE RELOCATION OF ANY UTILITY WITHIN EXISTING AND/OR PROPOSED RIGHT-OF-WAY REQUIRED BY THE DEVELOPMENT. 12. THE INSTALLATION OF SEWER, WATER, AND GAS MAINS (INCLUDING SERVICE LATERALS AND SLEEVES) SHALL BE COMPLETED PRIOR TO THE PLACEMENT OF AGGREGATE BASE COURSE. 13. ALBEMARLE COUNTY APPROVAL OF CONSTRUCTION PLANS DOES NOT PRECLUDE THE RIGHT TO REQUIRE ADDITIONAL FACILITIES AS DEEMED NECESSARY. 14. A PRIME COAT SEAL BETWEEN THE AGGREGATE BASE AND BITUMINOUS CONCRETE WILL BE REQUIRED AT THE RATE OF 0.30 GALLONS PER SQUARE YARD (REC-250 PRIME COAT) PER VDOT STANDARDS AND SPECIFICATIONS. 15. THE SCHEDULING OF AGGREGATE BASE INSTALLATION AND SUBSEQUENT PAVING ACTIVITIES SHALL ACCOMMODATE FORECAST WEATHER CONDITIONS PER SECTION 315 OF THE ROAD AND BRIDGE SPECIFICATIONS. 16. THE OWNERS REPRESENTATIVE SHALL HAVE APPROVED THE AGGREGATE BASE COURSE(S) FOR DEPTH, TEMPLATE AND PERFORMED THE REQUIRED FIELD INSPECTION (PROOF ROLL) PRIOR TO PLACEMENT OF ANY SURFACE COURSE(S). CONTACT THE OWNER FOR INSPECTION FOR THE AGGREGATE BASE COURSE(S) 48 HOURS PRIOR TO APPLICATION OF THE SURFACE COURSE(S). 17. A GEOTECHNICAL ENGINEER IS TO ASCERTAIN CAUSE AND CERTIFY RECOMMENDED METHOD OF REPAIR FOR ALL PAVEMENT STRUCTURAL FAILURES PRIOR TO STATE ACCEPTANCE. 18. ALL VEGETATION AND ORGANIC MATERIAL MATERIAL IS TO BE REMOVED FROM THE PROPOSED PAVEMENT LIMITS PRIOR TO CONDITIONING OF THE SUBGRADE. 19. CERTIFICATION AND SOURCE OF MATERIALS ARE TO BE SUBMITTED TO THE OWNER FOR ALL MATERIALS AND BE IN ACCORDANCE WITH THE ROAD AND BRIDGE SPECIFICATIONS, AND ROAD AND BRIDGE STANDARDS. 20. ALL APPROACH GUTTERS TO SAG INLETS SHALL MAINTAIN A MINIMUM SLOPE OF 0.004 ft./ft. 21. ALL NEW HANDICAP ACCESSIBLE REQUIREMENTS ON -SITE AND WITHIN ALL NEW STRUCTURES SHALL COMPLY WITH THE 2009 UNIFORM STATEWIDE BUILDING CODE, 2009 VIRGINIA CONSTRUCTION CODE, 2010 ADA STANDARDS FOR ACCESSIBLE DESIGN AND ICC/ANSI A117.1-03. 22. REFER TO SHEET L1.0 FOR ALL LANDSCAPING GENERAL NOTES. 23. VISIBILITY OF ALL MECHANICAL EQUIPMENT FROM THE ENTRANCE CORRIDOR SHALL BE ELIMINATED. 24. ALL WATER LINES, SEWER LINES, AND FIRE LINES FROM THE MAIN TO THE STRUCTURE MUST HAVE A VISUAL INSPECTION PERFORMED BY THE BUILDING DEPARTMENT. 25. ALL ROOFDRAINS SHALL DISCHARGE IN A MANNER NOT TO CAUSE A PUBLIC NUISANCE AND NOT OVER SIDEWALKS. 26. BUILDING OR STRUCTURES BUILT BEFORE JANUARY 1, 1985 MUST HAVE AN ASBESTOS SURVEY PERFORMED IN ORDER TO APPLY FOR A PERMIT. ASBESTOS REMOVAL PERMITS ARE REQUIRED IF POSITIVE FOR SUCH. CONTACT VDOLI FOR ADDITIONAL REQUIREMENTS AND PERMITS FOR DEMOLITION PROJECTS. 27. BUILDING INSPECTIONS MUST VERIFY PROPER ABANDONMENT OF SITE UTILITIES BEFORE CONCEALMENT. GENERAL CONSTRUCTION NOTES FOR EROSION AND SEDIMENT CONTROL 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 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:OOAM TO 9:OOPM. 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 STRUCTURES/IMPROVEMENTS, AND DAMAGE TO ANY PUBLIC STREET BECAUSE OF SLIDES, SINKING, OR COLLAPSE. 16. THE OWNER SHALL RESERVE THE RIGHT TO INSTALL, MAINTAIN, REMOVE OR CONVERT TO PERMANENT STORMWATER MANAGEMENT FACILITIES WHERE APPLICABLE ALL EROSION CONTROL MEASURES REQUIRED BY THIS PLAN REGARDLESS OF THE SALE OF ANY LOT, UNIT, BUILDING OR OTHER PORTION OF THE PROPERTY. 17. TEMPORARY STABILIZATION SHALL BE TEMPORARY SEEDING AND MULCHING. SEEDING IS TO BE AT 75 LBS/ACRE, AND IN THE MONTHS OF SEPTEMBER TO FEBRUARY TO CONSIST A 50/50 MIX OF ANNUAL RYEGRASS AND CEREAL WINTER RYE, OR IN MARCH AND APRIL TO CONSIST OF ANNUAL RYE, OR MAY THROUGH AUGUST TO CONSIST OF GERMAN MILLET. STRAW MULCH IS TO BE APPLIED AT 80LBS/100SF. ALTERNATIVES ARE SUBJECT TO APPROVAL 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 APPROVAL BY THE COUNTY EROSION CONTROL INSPECTOR. 19. MAINTENANCE: ALL MEASURES SHALL BE INSPECTED WEEKLY AND AFTER EACH RAINFALL EVENT. ANY DAMAGE OR CLOGGING TO STRUCTURAL MEASURES SHALL BE REPAIRED IMMEDIATELY. SILT TRAPS SHALL BE CLEANED WHEN 50% OF THE WET STORAGE VOLUME IS FILLED WITH SEDIMENT. ALL SEEDED AREAS SHALL BE RESEEDED WHEN NECESSARY TO ACHIEVE A GOOD STAND OF GRASS. SILT FENCE AND DIVERSION DYKES WHICH COLLECT SEDIMENT TO HALF THEIR HEIGHT MUST BE CLEANED AND REPAIRED IMMEDIATELY. 20. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN 30 DAYS OF FINAL SITE STABILIZATION, WHEN MEASURES ARE NO LONGER NEEDED, SUBJECT TO APPROVAL BY THE COUNTY EROSION CONTROL INSPECTOR. ALBEMARLE COUNTY ENGINEERING 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. 3. EROSION AND SILTATION CONTROL MEASURES SHALL BE PROVIDED IN ACCORDANCE WITH THE APPROVED EROSION CONTROL PLAN AND MUST 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 (HORIZONTALMERTICAL). 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). ALBEMARLE COUNTY STORMWATER MANAGEMENT NOTES 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. BLASTING NOTES 1. BLASTING SHALL NOT BE PERMITTED ON THIS PROJECT. SITE PLAN LEGEND 101- WATER STORM PIPE STORM MANHOLE DROP INLET & STRUCTURE NO CURB CURB & GUTTER LIMITS OF DISTURBANCE X FENCE XXX MAJOR CONTOUR XXX MINOR CONTOUR TC 725.94 PROPOSED SPOT ELEVATION 10 PARKING COUNT GRADING TC = TOP OF CURB TW = TOP OF WALL BW = BOTTOM OF WALL TS = TOP OF STAIRS BS = BOTTOM OF STAIRS FC = FACE OF CURB EP = EDGE OF PAVEMENT EX. = EXISTING PROP.=PROPOSED APPROX. = APPROXIMATELY L aLTH 0/ it : U%;.1TIL-xN M. SH0W..kLTER y Lic.No. 04U_057IS] rJ 05/10/2021 rs/0NAl GN am O ce (3 z 0 a v ui w 0 z O V) w i n DATE 0511012021 DRAWN BY YT DESIGNED BY AM CHECKED BY is SCALE AS SHOWN J D Q 0 V / 2 0 J J W U H� z 0 37 JOB NO. WTH a I -I w 0 z Q Lu 0 z SHEET NO. C1.0 CONCRETE BUMPER BLOCK ANCHOR WITH 5/8" REBAR IMBEDDED 24" IN GROUND HANDICAP SIGN HANDICAP SIGN LOCATION (VAN) LOCATION (TYP.) 8' 5' 1 8' 1 8' 1 8' TYPICAL I VAN ACCESSIBLE ACCESSIBLE HANDICAP SPACES TYPICAL PARKING SPACE DETAILS No Scale t" 2" R CONIC CURB AND GUTTER CLASS 3A, Fa ° (fc=3,000 PSI) CONCRETE X4 ° a 13" \ /� ° d ° 7„ COMPACTED ° ° a ° o q SUBGRADE a:a FACE OF \/ 4 CURB r ` o T o CONTINUE 21 B STONE 4" MIN. o o BASE FROM ADJACENT 4, L) PAVEMENT SECTION \ / / /\ / /\ / /� / / / / PAINTED UNDER CURB STRIPE 6" 6" 2'-0" (TYPICAL) 99 II VDOT STANDARD CG-6 CURB & GUTTER No Scale REGULAR SPACE SIGNAGE NOTES 1. ALL SIGNING AND PAVEMENT MARKING SHALL BE IN ACCORDANCE WITH THE MOST CURRENT EDITION OF EACH OF THE FOLLOWING AND ANY REVISION THERETO: A. MANUAL ON UNIFORM TRAFFIC CONTROL DEVICES. B. THE VIRGINIA SUPPLEMENT TO THE MANUAL ON UNIFORM TRAFFIC CONTROL DEVICES. C. THE VIRGINIA DEPARTMENT OF TRANSPORTATION ROAD AND BRIDGE SPECIFICATIONS. D. THE 2000 INTERNATIONAL FIRE CODE. 2. SIGN LOCATIONS ARE APPROXIMATE AND ARE TO BE MODIFIED IN THE FIELD TO AVOID CONFLICT WITH UNDERGROUND UTILITIES OR OTHER CONSTRUCTIONS, AND TO COMPLY WITH STANDARDS REFERENCED IN NOTE 1 ABOVE. 3. ALL SIGNS AND PAVEMENT MARKINGS ARE TO BE FURNISHED AND INSTALLED BY THE CONTRACTOR. ALL SIGNS TO BE FURNISHED AND INSTALLED WITH STANDARD U POST GALVANIZED BY THE CONTRACTOR. SOLID WHITE LINE 24" f (TYP.) F� iim 12 (TYP.) STD. R1-1 NOTE: STOP SIGNS TO BE 30" WITH HIGH INTENSITY SHEETING STOP BAR DETAIL NO SCALE STOP STRIPING & SIGNAGE NOTES & DETAILS No Scale CG-12 GENERAL NOTES: 1. THE DETECTABLE WARNING SHALL BE PROVIDED BY TRUNCATED DOMES. 2. DETECTABLE WARNING SHALL BE FROM THE MATERIALS APPROVED LIST FOR DETECTABLE WARNING 5UFACES, PRODUCTS NOT LISTED SHALL MEET THE REQUIREMENTS OF THE SPECIAL PROVISION FOR CG-12 DETECTABLE WARNING SURFACE AND SHALL BE SUBMITTED TO THE STANDARDS AND SPECIAL DESIGN SECTION FOR APPROVAL. 3, SLOPING SIDES OF CURB RAMP MAY BE POURED MONOLITHICALLY WITH RAMP FLOOR OR BY USING PERMISSIBLE CONSTRUCTION JOINT WITH REQUIRED BARS. 4. IF RAMP FLOOR IS PRECAST. HOLES MUST BE PROVIDED FOR DOWEL BARS SO THAT ADJOINING FLARED SIDES CAN BE CAST IN PLACE AFTER PLACEMENT OF PRECAST RAMP FLOOR. PRECAST CONCRETE SHALL BE CLASS A-4. 5. REQUIRED BARS ARE TO BE NO. 5 X 6" PLACED T CENTER TO CENTER ALONG BOTH SIDES OF THE RAMP FLOOR, MID -DEPTH OF RAMP FLOOR. MINIMUM CONCRETE COVER 1V2'. 6, CURB / CURB AND GUTTER SLOPE TRANSITIONS ADJACENT TO CURB RAMPS ARE INCLUDED IN PAYMENT FOR CURB / CURB AND GUTTER. 7. CURB RAMPS ARE TO BE LOCATED AS SHOWN ON THE PLANS OR AS DIRECTE AS SHOWN ON PLANS OR AS DIRECTED BY THE ENGINEER, AND SHOULD NOT BE LOCATED BEHIND VEHICLE STOP LINES, EXISTING LIGHT POLES, FIRE HYDRANTS, DROP INLETS, ETC, ACCESSIBLE ROUTES PROVIDE A CONTINUOUS UNOBSTRUCTED, STABLE, FIRM AND SLIP RESISTANT PATH CONNECTING ALL ACCESSIBLE ELEMENTS OF A FACILITY THAT CAN BE APPROACHED, ENTERED B. RAMPS MAY BE PLACED ON RADIAL OR TANGENTIAL SECTIONS PROVIDED THAT THE CURB OPENING IS PLACED WITHIN THE LIMITS OF THE CROSSWALK AND THAT THE SLOPE AT THE CONNECTION OF THE CURB OPENING IS PERPENDICULAR TO THE CURB. Y 9. TYPICAL CONCRETE SIDEWALK 15 4" THICK, WHEN THE ENTRANCE RADIICANNOT NOTE�COMPONENTS OF CURB RAMPS CONSIST OF THE FOLLOWING: HYDRAULIC CEMENT SIDEWALK (DEPTH IN INCHES. AREA IN SQUARE YARDS) CURB WHEN REQUIRED (CC-2 OR CG-3 IN LINEAR FEET) DETECTABLE WARNING SURFACE (AREA IN SQUARE YARDS) EACH OF THE ABOVE ITEMS 15 A SEPARATE PAY ITEM AND SHOULD BE SUMMARIZED FOR EACH CURB CUT RAMP. SIDEWALK —I RAMP 12:1 MAX <8' MAx I r 4' e lOn MAX TYPE A PERPENDICULAR tMTYPE 5' WIN12t1 MA)(� B PARALLEL 121 MAX 12, 1 _MAX ten,•-. X 9� ACCOMMODATE THE TURNING REQUIREMENTS OF AN HEAVY TRUCK TRAFFIC, REFER TO STANDARD CC-13. COMMERCIAL ENTRANCE (HEAVY 4, MIN --- AT )K 2" HIGHER THAN TRUCK TRAFFIC)FOR CONCRETE DEPTH, , T EDGE OF PAVEMENT 10, WHEN CURB RAMPS ARE USED IN CONJUNCTION WITH A SHARED USE PATH, \ AT :I:% .SANE AS TOP OF CURB THE MINIMUM WIDTH SHALL BE THE WIDTH OF THE SHARED USE PATH, IL WHEN ONLY ONE CURB RAMP IS PROVIDED FOR TWO CROSSINGS (DIAGONAL), TYPE C A 4': 4'LANDING AREA SHALL BE PROVIDED TO MANEUVER A WHEELCHAIR PARALLEL & PERPENDICULAR INTO THE CROSSWALK WITHOUT GOING INTO THE TRAVELWAY. THIS 4' x 4' LANDING AREA MAY INCLUDE THE GUTTER PAN. t2. ALL CASES WHERE CURB RAMPS INTERSECT A RADIAL SECTION OF TRUNCATED DOME C-C fn n CURB AT ENTRANCES OR STREET CONNECTIONS THE DETECTABLE .8"-2.4" y o WARNING SURFACE SHALL HAVE A FACTORY RADIUS OR BE FIELD O O O O O z -MODIFIED AS RECOMMENDED BY THE MANUFACTURER TO MATCH THE BACK OF CURB. - �( O O 00 00 O O 000 5 - 0 0 0 00 0 0 0 0 0 0 0 LANDING RAMP L 0 0 0 0 0 00 0 0 0 0 0 0 0 0 + v 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 m 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 BASE DIAMETER bO b 000000000000 ETER --DETECTABLE WARNING p =ASoE9&A11ETE AT BACK OF CURB NOTE t2. "VARIABLE FULL WIDTH OF RAMPFLOORFULL WIDTH OF RAMP FLOORSEE R PAY LIMITS DETECTABLE WARNING TRUNCATED DOME INSTALLED ON A RADIUS DETAIL DETECTABLE WARNING DETAIL XVD❑T SPECIFICATION CG-12 DETECTABLE WARNING SURFACE REFERENCE ROAD AND BRIDGE STANDARDS SHEET IOF 5 REVISION DATE (GENERAL NOTES) 105 203.05 07/15 VIRGINIA DEPARTMENT OF TRANSPORTATION 502 No Scale 2.0" BITUMINOUS CONCRETE SURFACE COURSE - SM-9.5A (PLACED IN SINGLE LIFT) 4" TYPE 21B AGGREGATE BASE COURSE COMPACTED SUBGRADE DENOTES LIGHT DUTY ASPHALT PAVEMENT ON PLANS LIGHT DUTY ASPHALT PAVEMENT SECTION No Scale R= %4" a� e CONTROL JOINT SPACED AT WIDTH OF WALK (MAXIMUM) FEXPANSION JOINT AT MAX OF 30', WITH PREMOLDED EXPANSION FILLER CONC. WALK m VDOT A-3 CONCRETE _ 21 B STONE BASE FROM ADJACENT PAVEMENT SECTION UNDER CURB EXISTING PAVEMENTI PROPOSED > D_ SAWCUT THROUGH D- U EX.SURFACE w X COURSE w Lu& REMOVE PAVEMENT \ 2' MIN EXISTING PAVEMENT MILL EX. SURFACE COURSE SAWCUT EX. EDGE OF PAVEMENT MATCH EX. CROSS SLOPE UNLESS OTHERWISE SPECIFIED ON PLANS PROPOSED SURFACE COURSE BASE COURSE AGGR. BASE NOTE: PROPOSED PAVEMENT MUST TIE IN WITH EXISTING PAVEMENT PAVEMENT REPLACEMENT JOINT DETAIL No Scale EXIST GRADE METAL 1NSP£CTION FRAME W/ SOLID LID (NEENAH R-1975 OR EQUIVALENT) 3" CONCRETE COLLAR CRUSHED STONE BEDDING 6" DI CLEANOUT PLUG AT END OF LINE CLEANOUT DETAIL COMPACTED SUBGRADE CONCRETE SIDEWALK JOINT DETAIL No Scale VARIABLE WIDTH' NON -SLIP BROOM FINISH MAX. CROSS SLOPE 2% 4" 21-B STONE 4" 3,000 PSI AIR -ENTRAINED CONCRETE COMPACTED SUBGRADE 4"TYPE 21B STONE NOTE: SIDEWALKS SHALL BE CONSTRUCTED IN ACCORDANCE WITH VDOT STANDARDS. a. CONCRETE SIDEWALK PAVEMENT SECTION No Scale � a I 1 � OR AS SHOWN ON PLAN WHEN NOT ALONG SIDEWALK CURB WIPE DOWN DETAIL No Scale .asphalt Pavement Restoration Detail for Open Cut Utility Installations Mill 6 resurface Mill & resurface x*s Saw -cut existing pavement sws to the full depth of asphalt 7.5"total asphalt 12" min Asphalt Concrete Surface Material 12" min. concrete pavement depth or equal to the depth of existing min- Asphalt Concrete Base, Type BM-25.OA asphalt concrete, whichever is greater 1.5" min. Sub -base course depth 10" min, Aggregate Base Material, Type shall be 10" or equal to Size No. 21A or 2lB depth of existing sub -base. whichever is greater NOTES: IF Asphalt Concrete Surface Material SM-9.5A for ACT < 10,000 SM-9.5D for ACT > 10,000 The district administrator's designee shall determine the restoration requirements for other pavement types. " Trench width and pipe bedding shall be in accordance with VDOT Std. PBA * 12 inches minimum beyond the edge of the trench on longitudinal open cuts, or 25 feet minimum beyond the trench centedine on perpendicular open cuts, or as determined by the district administrator's designee. Date: August 27, 2014 1 Horizontal and vertical surfaces 6" Bench " Bench shall be tacked with RC-260 liquid Min. Min, asphalt at a rate of 0.1 gallon per BY, or as determined by the district administrator's designee Select Material Type I with minimum CBR = 30 0 Class I bacSection 3l 2 ofmaterial he R accordance with Section 302 of the Road and Bridge Specifications No, 26 or 27 aggregate pipe bedding in accordance with Sections 205 & 302 of the Road and Bridge Specifications as NY,:\LTy OF Ir�c 2' U\.1TlL-XN M. SHOWALTER y LIc. No. 04U_057IS] 14 05/10/2021 IA &*SIT)VAl U1 ce 0 0 LH LO 0 x F 0 w x ef 0 U) > 0 r DATE 0511012021 DRAWN BY YT DESIGNED BY AM CHECKED BY IS SCALE AS SHOWN 3OB NO. 694.0 SHEET NO. C1.1 INV. INV. INL APPROXIMATE OF EXISTI SD CURB INLET W/ MHD TOP=517.96' INV. IN=513.53' 15'HDPE SD INLET W/GRATE 710P=513.61' INV. IN=51040' 15"HOPE INV. OUT=510.27' 15" HDPE OUTLET INV (OUT)=492.80' 18"RCP ----------------- 18"RCP 0 TOP=511.29' INV. IN=506.80' 15"HDPE (E) INV IN=503.7715"HDPE(NE) INV IN= 500 14' 18"RCP (SE) INV. OUT=499.91' 18'RCP I I a`\° I IIIII I I I I I 520� I I I I / IIIII I I I I I III I I I I 1 I o I I I I I I I I \ I H I I lol \ 1 I \ I Illbl STEEP SLOPES MANAGED I I 1 I 1 X (TYR..) 1 1 1 1 III I / I I I I I \\I I I IIIIjlitX I I � I IIII I \ I I I \\ (PART OF) IMP 91-2 \ I I I I THE COUNTY SCHOOL BOARD OF \ \ I 1 I 1 \ \ ALBEMARLE COUNTY, VIRGINIA 1 I I DB. 1740, PG. 559 \ I I I I I I I I 1 I I ZONED: R 15 \ GRASS I \FIELD AREA I I I I I I I I I I TION -523- _ � /' I\ WOOD BARRIER 6"x6"POST W/SINGLE RAIL /d /- l a`� \ I I o�� I I 1 1 1 1 I I 11 11 I m CURB �� \ `I \ T EP . ��\ ` `\ REMOVETREE / 11 1 1 1 1 1 1 I \ 12'PINE .0 CURB(DEAD) SOINLETW/GRATE \� \ p ppp I \ I I I I \ TOP=51769' \ INV. IN=515.26' 15" RCP \\ REMOVE SECTION T W/ MHD I I I INV. OUT=514.98' 15" RCIp (12 STANDARD SPACES TOTAL, 9 CAPTURED IN.SURVEY ` 1 N I SAWCUTOF CURB BETWEEN (2 HC SP}I CES) !y` \ \ ` h I .� I \ \ \ 1 \ \ \ \ -1 f�EMOVE \ s., oa \ \ I 1 / 1 \ I \ \ ,n \ \ � SAWCUTS 47'15"HDPE \ GUARDRAIL AS ,-+6+/°6+ 1 \ \ I I I \ \ \ \ \ \ \N \ �\ NECESSARYFOR-�+ I I \ \ \ I 1 \ \ \ \ \ x iD CURB INLET TOP 520.�0' \\ \ / (!� '! \ _ — — — _ �_���� _ �Z-O////1 / ASPHALT CONSTRUCTION / \ 1 ` — 1 \ \ \ OUT=51599'15"HOPE - / l ` \ (7 SPACHk) 15 \ BHT ON 2'0 � \S / 1 \ �\ GP — - UGP �d� �— —UGP— —. ' _ -524- :ONC. BASE ?/ \ I \/ rrr-�--'' _--1JCT TOP=522.8' \ C&G —U —UGP — —UGP — - \ \ /` LIGHTON2C0 \ / CURB CONC BASE \ N-W - -I,y ASPHALT -ATERL/NE PER GIS � \ MAPPING FROM ACSA (10 STANDARD SPACES SHOWN + 1'lC AT WEST, NOT SHOWN) ` (REC'D 04-09-21) \ \ \` \ 1 EP -- ---- -- - -GONG STAIR—, 8 TREADS, ---------VRISERSW/RA/C- 1 &CHEEK WALL_ i L'/ G — �- --/ ---------------------------- 18" RCP -1 -FFFE=514.83' SAWCUT SIDEWALK TO NEAREST JOINT (TYP.) - MULTI -LEVEL BRICK SCHOOL FACILITY MONT/CELLO H.S. (1400INDEPENDENCE WAY) I /--7/ \ \ D I\ // / 41 _ \ �/ I -----___--- IN. I 1 - - - - - - - - - - 1 N —515— -514 CONC SWK (RAMP WIRAIL) ��SDLET W/GRATE I I TOP=513.12' \1 INV IN=508.25' 15" RCP (NE) 11 INV. IN=508.15' 15" RCP (SW) {t /NV. OUT=508. P' 18"RCP U 11 tY I Iq N11 11 11 11 1\ 11 11 11 11 11 SD INLET W/GRATE 11 TOP=513.38' \ 1 INV OUT=509.43' 15"RCP 11 11 u u O / / ' EP / // S CURB l LET W/ HD T P=523.2 ' l V. 1N=51 .22' 15" CP I V OUT= 14.0T 1 "RCP / / /A _I,y — 4� / (16 SPACES) �52 SAWCUT CURB ECTRVA REMOVE SECTION / �\ AT NEAREST JOINT (TYP.) OF CURB BETWEEN , SAWCUTS�MARK \� ASPHALT E BBBRIDGE SPIKE SET \ (9 SPACES) C&G ELEV=525.53' \ —CONC STAIR 3 TREADS \ & CHEEK 'WALL RAIL III ELECTI III \ I VAULT \\\ E� �\ I \\ I I I I \ I I I ���\\ / I I I I I 61' DE� I 8" PINE �A 'Iiti 1 I \\ 1 12" PINE \ X REMOVE SECTION OF CURB AND GUTTER WATERLINE PER CIS \ \\ BETWEEN SAWCUTS CONC. STEPS MAPPINGFROMACSA 4 TREADS, (REC'D 04-09-21) I CEDA� SD CURB INLET W/MHO 5 RISERSW/ RAIL CONC. WALL F_ (W-0.67) v - 1 /--- --528-_--� 1 I GLEAN -OUT CANOPY - I I / \ I FFE=529.01' BLDG. LINE i r BLDG. BELOW, AT ENTR. (2) CONC. STAIR(S) EA. STAIR = I TREADS, 12 RISERS W/RAIL & CHEEK WALL \\ TOP=52562' J \ \ 1 INV IN=521.06' 8"PVC (SW) EP II \ 1 INV. OUT=521.02'15"RCP / v CURB , O I �-d "-PV6 - - - - 1 I �)A; 1_VD T=52628' "�27_ I 11���� 1 8"ICEDAJ CONC S;K(RAMP W/RAIL) 1 `�ws D En 11 L I 40 MULTILEVEL BRICK SCHOOL FACILITY MONTICELLO H.S. (1400 INDEPENDENCE WAY) COORDINATE FINAL SEWER AND WATER LINE ROUTING, SIZE, MINIMUM COVER, CONNECTION TO EXISTING FACILITIES WITH MEP ENGINEER AND PLUMBER BEFORE BEGINNING DEMOLITION OR CONSTRUCTION THIS TOPOGRAPHIC SURVEY WAS COMPLETED UNDER THE DIRECT AND RESPONSIBLE CHARGE OF JOSEPH C. MEDLEY FROM AN ACTUAL GROUND SURVEY MADE UNDER MY SUPERVISION; THAT THE ORIGINAL DATA WAS OBTAINED ON THE FOLLOWING DATES: APRIL 9 & 13, 2021. THIS BASE -MAP AND DIGITAL GEOSPATIAL DATA INCLUDING METADATA MEETS MINIMUM ACCURACY STANDARDS UNLESS OTHERWISE NOTED. SURVEY NOTES : 1. HORIZONTAL DATUM IS BASED ON NA083 (NA2011), VIRGINIA STATE GRID, SOUTH ZONE. VERTICAL DATUM IS BASED ON NAVD88. DATUM ESTABLISHED THROUGH NETWORK RTK GPS (LEICA SmartNET) OBSERVATIONS. 2. TOPOGRAPHIC DATA DEPICTED BASED ON A CURRENT FIELD SURVEYBY THIS FIRM, COMPLETED APRIL 13, 2021. 3. THIS IS NOT A BOUNDARY SURVEY; PURPOSE OF SURVEY IS TO DEPICT EXISTING CONDITIONS AND TOPOGRAPHY WITH NO BOUNDARY RESEARCH, RECOVERY, OR ANALYSIS IMPLIED. 4. MISS UTILITY TICKET INITIATED, TICKET NO. B109502483-00B. NO UNDERGROUND UTILITYINVESTIGATION BEYOND INFORMATION PROVIDED VIA MISS UTILITY HAS BEEN CONDUCTED BY THIS FIRM. 5. NO TITLE REPORT FURNISHED; EASEMENTS MAY EXIST WHICH ARE NOT SHOWN HEREON. C:�K�R�iC�II/:an�iraa %' Isi LEGEND ® WATER VALVE FIRE HYDRANT QD STORM DRAINAGE(SD) MANHOLE ® STORM INLET W/GRATE O ROOF DRAIN/DOWN-SPOUT RCP REINFORCED CONCRETE PIPE PVC POLY- VINYL CHLORIDE PIPE HDPE HIGH -DENSITY POL Y-ETHYLENE PIPE © SAN/TARYMANHOLE 04 L/GHTPOLE ® UTILITY VAULT, AS NOTED - SAN - SAN/TARYP/PE - WATER -LINE W - UGP— - UNDERGROUND POWER/ELEC UTILITY —X— FENCE LINE EDGE OF PAVEMENT (EP) CONIFEROUS TREE W DECIDUOUS TREE (DEC) SWK SIDEWALK -r SIGN LEGEND: N, • ��� o MEN SCALE 1"=20' 0 20' 40' SAW CUT CURB SIDEWALK OR ASPHALT (SIDEWALKS AND CURB TO BE CUT AT NEAREST JOINT) 11UF �' ,U\.1TIi1N M. SH0W..kITER y Lic.No. 04U_057IS] 05/10/2021 4�1 rJ �' At G�`G`�� d 0 O 2 C7 d H 0 w Lu a z 0 Ln > 0 O CL O oc z 0 a U Ln z 0 V) w tY DATE 0511012021 DRAWN BY YT DESIGNED BY AM CHECKED BY JS SCALE 1"=20' O LL V / Q U J D Q O VT/ i J J W U z O H JOB NO. 4694.00 SHEET NO. C2.0 EROSION AND SEDIMENT CONTROL NARRATIVE MINIMUM STANDARDS: GENERAL EROSION AND SEDIMENT CONTROL NOTES: PROJECT DESCRIPTION THIS PROJECT INCLUDES THE ADDITION OF A MODULAR CLASSROOM TO MONTICELLO HIGH SCHOOL, SITE IMPROVEMENTS, AND ASSOCIATED UTILITIES & LANDSCAPING. THE LIMITS OF DISTURBANCE IS 0.50 ACRES. ADJACENT PROPERTY THESE IMPROVEMENTS ARE BEING MADE WITHIN THE PROPERTY BOUNDARY. THE PROPERTY IS BOUNDED BY MILL CREEK DRIVE TO THE SOUTH. PIEDMONT VIRGINIA COMMUNITY COLLEGE TO THE NORTH. RESIDENTIAL APARTMENTS TO THE EAST AND COMMERCIAL AND RESIDENTIAL PROPERTIES TO THE WEST. EXISTING SITE CONDITIONS THE SITE IS CURRENTLY A FLAT FIELD AREA. OFF -SITE AREAS NO OFF -SITE AREAS WILL BE DISTURBED AS A PART OF THIS PROJECT. CRITICAL EROSION AREAS NO CRITICAL EROSION AREA EXIST. EROSION AND SEDIMENT CONTROL MEASURES UNLESS OTHERWISE INDICATED, ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE CONSTRUCTED AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE CURRENT ADDITION OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. THE MINIMUM STANDARDS OF THE VESCH SHALL BE ADHERED TO UNLESS OTHERWISE WAIVED OR APPROVED BY A VARIANCE BY LOCAL AUTHORITIES HAVING JURISDICTION. EROSION AND SEDIMENT CONTROL MAINTENANCE ALL EROSION AND SEDIMENT CONTROL MEASURES SHALL BE MAINTAINED IN ACCORDANCE WITH VESCH AND THE CONSTRUCTION SEQUENCE, INCLUDING THE INSPECTION OF ALL MEASURES AFTER ALL RAIN EVENTS. STRUCTURAL PRACTICES: 1. TEMPORARY CONSTRUCTION ENTRANCE - 3.02 A TEMPORARY CONSTRUCTION ENTRANCE SHALL BE PROVIDED AT THE LOCATION INDICATED ON THE PLANS. IT IS IMPERATIVE THAT THIS MEASURE BE MAINTAINED THROUGHOUT CONSTRUCTION. ITS PURPOSE IS TO REDUCE THE AMOUNT OF MUD TRANSPORTED ONTO PAVED PUBLIC ROADS BY MOTOR VEHICLES OR RUNOFF. 2. SILT FENCE BARRIER - 3.05 SILT FENCE SEDIEMENT BARRIERS SHALL BE INSTALLED DOWNSLOPE OF AREAS WITH MINIMAL GRADES TO FILTER SETTLEMENT LADEN RUNOFF FROM SHEET FLOW AS INDICATED. ITS PRPOSE IS TO PREVENT SEDIMENT FROM LEAVING THE SITE. 3. STORM DRAIN INLET PROTECTION - 3.07 STONE FILTERS SHALL BE PLACED AT THE INLET OF ALL DRAINAGE STRUCTURES AS INDICATED ON PLANS. ITS PURPOSE IS TO PREVENT SEDIMENT FROM ENTERING THE STORM DRAINAGE SYSTEM PRIOR TO PERMANENT STABILIZATION. 4. DIVERSION DIKE - 3.09 A TEMPORARY RIDGE OF COMPACTED SOIL TO DIVERT WATER FROM A CERTAIN AREA. 5. TEMPORARY SEDIMENT BASIN - 3.14 A TEMPORARY DAM WITH A CONTROLLED STORMWATER RELEASE STRUCTURE IS TO BE USED TO DETAIN SEDIMENT -LADEN RUNOFF FROM DISTURBED AREAS LONG ENOUGH FOR THE MAJORITY OF THE SEDIMENT TO SETTLE OUT. 6. OUTLET PROTECTION - 3.18 STRUCTURALLY LINED APRONS PLACED AT THE OUTLETS OF PIPES OR CHANNEL SECTION TO PREVENT SCOUR AND PROTECT THE OUTLETS STRUCTURE. 7. DUST CONTROL - 3.39 DUST CONTROL IS TO BE USED THROUGH THE SITE IN AREAS SUBJECT TO SURFACE AND AIR MOVEMENT 8. TREE PROTECTION - 3.38 PROTECTION OF DESIRABLE TRESS FROM MECHANICAL AND OTHER INJUSRY DURING LAND DISTURBING AND CONSTRUCTION ACTIVITY. VEGETATIVE PRACTICES: 9. TEMPORARY SEEDING - 3.31 ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR MORE THAN 30 DAYS SHALL BE SEEDED WITH FAST GERMINATING TEMPORARY VEGETATION IMMEDIATELY FOLLOWING GRADING OF THOSE AREAS. SELECTION OF THE SEED MIXTURE SHALL DEPEND ON THE TIME OF YEAR IT IS APPLIED. 10. PERMANENT SEEDING - 3.32 FOLLOWING GRADING ACTIVITIES, ESTABLISH PERENNIAL VEGETATIVE COVER BY PLANTING SEED TO REDUCE EROSION, STABILIZE DISTURBED AREAS, AND ENHANCE NATURAL BEAUTY. MANAGEMENT STRATEGIES 1. PROVIDE SEDIMENT TRAPPING MEASURES AS A FIRST STEP IN GRADING, SEED AND MULCH IMMEDIATELY FOLLOWING INSTALLATION. 2. PROVIDE TEMPORARY SEEDING OR OTHER STABILIZATION IMMEDIATELY AFTER GRADING. 3. ISOLATE TRENCHING FOR UTILITIES AND DRAINAGE FROM DOWNSTREAM CONVEYANCES IN ORDER TO MINIMIZE PERIMETER CONTROLS. 4. ALL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE MAINTAINED UNTIL THEY ARE NO LONGER REQUIRED TO COMPLY WITH THE CONTRACT DOCUMENTS OR STATE LAW. PERMANENT STABILIZATION ALL NON -PAVED AREAS DISTURBED BY CONSTRUCTION SHALL BE STABILIZED WITH PERMANENT SEEDING IMMEDIATELY FOLLOWING FINISHED GRADING. SEEDING SHALL BE IN ACCORDANCE WITH STD. & SPEC. 3.32, PERMANENT SEEDING. SEED TYPE SHALL BE AS SPECIFIED FOR "MINIMUM CARE LAWNS" AND "GENERAL SLOPES" 1N THE HANDBOOK FOR SLOPES LESS THAN 3:1. FOR SLOPES GREATER THAN 3:1, SEED TYPE SHALL BE AS SPECIFIED FOR "LOW MAINTENANCE SLOPES" IN TABLE 3.32-D OF THE HANDBOOK. FOR MULCH (STRAW OR FIBER) SHALL BE USED ON ALL SEEDED SURFACES. IN ALL SEEDING OPERATIONS SEED, FERTILIZER AND LIME SHALL BE APPLIED PRIOR TO MULCHING. SEQUENCE OF INSTALLATION PHASE I 1. A PRE -CONSTRUCTION MEETING IS REQUIRED WITH ALBEMARLE COUNTY E&S INSPECTOR, CONTRACTOR, OWNER, AND ENGINEER. THIS MEETING SHALL TAKE PLACE AT THE COMMUNITY DEVELOPMENT OFFICE. CLEARING LIMITS MUST BE FLAGGED PRIOR TO THE MEETING WITH ONE (1) WEEK OF NOTICE. 2. INSTALL CONSTRUCTION ENTRANCE, TREE PROTECTION AND SAFETY FENCE. E&S MEASURES FOR MOBILE CLASSROOMS REMOVAL AREAS DENOTED ON PLANS SHALL NOT BE INSTALLED UNTIL SCHOOL IS OUT OF SESSION FOR THE SUMMER OF 2021. NO WORK SHALL BEGIN IN THOSE AREAS UNTIL ALL ESC MEASURES IN THOSE AREAS ARE INSTALLED. 3. AFTER ALL EROSION AND SEDIMENT CONTROL MEASURES ARE IN PLACE, SITE WORK CON BEGIN. 4. ROUGH GRADE PROJECT AREA. S. SEED ALL DENUDED AREAS PER VESCH STANDARDS. PHASE II 1. FINE GRADE PROJECT AREA. APPLY PERMANENT SOIL STABILIZATION TO THESE AREAS WITHIN SEVEN DAYS AFTER FINAL GRADE IS ACHIEVED. 2. APPLY PERMANENT SOIL STABILIZATION TO THESE AREAS WITHIN SEVEN DAYS AFTER FINAL GRADE IS ACHIEVED. SILT FENCE MUST BE MAINTAINED THROUGH GRADING AND CONSTRUCTION. 3. ONCE CONSTRUCTION IS COMPLETE AND ALL CONTRIBUTING AREAS ARE STABILIZED, EROSION CONTROL MEASURES CAN BE REMOVED UPON APPROVAL FROM THE E&S INSPECTOR. AN EROSION AND SEDIMENT CONTROL PROGRAM ADOPTED BY A DISTRICT OR LOCALITY MUST BE CONSISTENT WITH THE FOLLOWING CRITERIA, TECHNIQUES AND METHODS: MS-1. PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO DENUDED AREAS WITHIN SEVEN DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THE SITE. TEMPORARY SOIL STABILIZATION SHALL BE APPLIED WITHIN SEVEN DAYS TO DENUDED AREAS THAT MAY NOT BE AT FINAL GRADE BUT WILL REMAIN DORMANT FOR LONGER THAN 30 DAYS. PERMANENT STABILIZATION SHALL BE APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR MORE THAN ONE YEAR. MS-2. DURING CONSTRUCTION OF THE PROJECT, SOIL STOCKPILES AND BORROW AREAS SHALL BE STABILIZED OR PROTECTED WITH SEDIMENT TRAPPING MEASURES. THE APPLICANT IS RESPONSIBLE FOR THE TEMPORARY PROTECTION AND PERMANENT STABILIZATION OF ALL SOIL STOCKPILES ON SITE AS WELL AS BORROW AREAS AND SOIL INTENTIONALLY TRANSPORTED FROM THE PROJECT SITE. MS-3. A PERMANENT VEGETATIVE COVER SHALL BE ESTABLISHED ON DENUDED AREAS NOT OTHERWISE PERMANENTLY STABILIZED. PERMANENT VEGETATION SHALL NOT BE CONSIDERED ESTABLISHED UNTIL A GROUND COVER IS ACHIEVED THAT IS UNIFORM, MATURE ENOUGH TO SURVIVE AND WILL INHIBIT EROSION. MS-4. SEDIMENT BASINS AND TRAPS, PERIMETER DIKES, SEDIMENT BARRIERS AND OTHER MEASURES INTENDED TO TRAP SEDIMENT SHALL BE CONSTRUCTED AS A FIRST STEP IN ANY LAND -DISTURBING ACTIVITY AND SHALL BE MADE FUNCTIONAL BEFORE UPSLOPE LAND DISTURBANCE TAKES PLACE. MS-5. STABILIZATION MEASURES SHALL BE APPLIED TO EARTHEN STRUCTURES SUCH AS DAMS, DIKES AND DIVERSIONS IMMEDIATELY AFTER INSTALLATION. MS-6. SEDIMENT TRAPS AND SEDIMENT BASINS SHALL BE DESIGNED AND CONSTRUCTED BASED UPON THE TOTAL DRAINAGE AREA TO BE SERVED BY THE TRAP OR BASIN. A. THE MINIMUM STORAGE CAPACITY OF A SEDIMENT TRAP SHALL BE 134 CUBIC YARDS PER ACRE OF DRAINAGE AREA AND THE TRAP SHALL ONLY CONTROL DRAINAGE AREAS LESS THAN THREE ACRES. B. SURFACE RUNOFF FROM DISTURBED AREAS THAT IS COMPRISED OF FLOW FROM DRAINAGE AREAS GREATER THAN OR EQUAL TO THREE ACRES SHALL BE CONTROLLED BY A SEDIMENT BASIN. THE MINIMUM STORAGE CAPACITY OF A SEDIMENT BASIN SHALL BE 134 CUBIC YARDS PER ACRE OF DRAINAGE AREA. THE OUTFALL SYSTEM SHALL, AT A MINIMUM, MAINTAIN THE STRUCTURAL INTEGRITY OF THE BASIN DURING A 25-YEAR STORM OF 24-HOUR DURATION. RUNOFF COEFFICIENTS USED IN RUNOFF CALCULATIONS SHALL CORRESPOND TO A BARE EARTH CONDITION OR THOSE CONDITIONS EXPECTED TO EXIST WHILE THE SEDIMENT BASIN IS UTILIZED. MS-7. CUT AND FILL SLOPES SHALL BE DESIGNED AND CONSTRUCTED IN A MANNER THAT WILL MINIMIZE EROSION. SLOPES THAT ARE FOUND TO BE ERODING EXCESSIVELY WITHIN ONE YEAR OF PERMANENT STABILIZATION SHALL BE PROVIDED WITH ADDITIONAL SLOPE STABILIZING MEASURES UNTIL THE PROBLEM IS CORRECTED. MS-8. CONCENTRATED RUNOFF SHALL NOT FLOW DOWN CUT OR FILL SLOPES UNLESS CONTAINED WITHIN AN ADEQUATE TEMPORARY OR PERMANENT CHANNEL, FLUME OR SLOPE DRAIN STRUCTURE. MS-9. WHENEVER WATER SEEPS FROM A SLOPE FACE, ADEQUATE DRAINAGE OR OTHER PROTECTION SHALL BE PROVIDED. MS-10. ALL STORM SEWER INLETS THAT ARE MADE OPERABLE DURING CONSTRUCTION SHALL BE PROTECTED SO THAT SEDIMENT -LADEN WATER CANNOT ENTER THE CONVEYANCE SYSTEM WITHOUT FIRST BEING FILTERED OR OTHERWISE TREATED TO REMOVE SEDIMENT. MS-11. BEFORE NEWLY CONSTRUCTED STORMWATER CONVEYANCE CHANNELS OR PIPES ARE MADE OPERATIONAL, ADEQUATE OUTLET PROTECTION AND ANY REQUIRED TEMPORARY OR PERMANENT CHANNEL LINING SHALL BE INSTALLED IN BOTH THE CONVEYANCE CHANNEL AND RECEIVING CHANNEL. MS-12. WHEN WORK IN A LIVE WATERCOURSE IS PERFORMED, PRECAUTIONS SHALL BE TAKEN TO MINIMIZE ENCROACHMENT, CONTROL SEDIMENT TRANSPORT AND STABILIZE THE WORK AREA TO THE GREATEST EXTENT POSSIBLE DURING CONSTRUCTION. NONERODIBLE MATERIAL SHALL BE USED FOR THE CONSTRUCTION OF CAUSEWAYS AND COFFERDAMS. EARTHEN FILL MAY BE USED FOR THESE STRUCTURES IF ARMORED BY NONERODIBLE COVER MATERIALS. MS-13. WHEN A LIVE WATERCOURSE MUST BE CROSSED BY CONSTRUCTION VEHICLES MORE THAN TWICE IN ANY SIX-MONTH PERIOD, A TEMPORARY VEHICULAR STREAM CROSSING CONSTRUCTED OF NONERODIBLE MATERIAL SHALL BE PROVIDED. MS-14. ALL APPLICABLE FEDERAL, STATE AND LOCAL REGULATIONS PERTAINING TO WORKING IN OR CROSSING LIVE WATERCOURSES SHALL BE MET. MS-15. THE BED AND BANKS OF A WATERCOURSE SHALL BE STABILIZED IMMEDIATELY AFTER WORK IN THE WATERCOURSE IS COMPLETED. MS-16. UNDERGROUND UTILITY LINES SHALL BE INSTALLED IN ACCORDANCE WITH THE FOLLOWING STANDARDS IN ADDITION TO OTHER APPLICABLE CRITERIA: A. NO MORE THAN 500 LINEAR FEET OF TRENCH MAY BE OPENED AT ONE TIME. B. EXCAVATED MATERIAL SHALL BE PLACED ON THE UPHILL SIDE OF TRENCHES. C. EFFLUENT FROM DEWATERING OPERATIONS SHALL BE FILTERED OR PASSED THROUGH AN APPROVED SEDIMENT TRAPPING DEVICE, OR BOTH, AND DISCHARGED IN A MANNER THAT DOES NOT ADVERSELY AFFECT FLOWING STREAMS OR OFF -SITE PROPERTY. D. MATERIAL USED FOR BACKFILLING TRENCHES SHALL BE PROPERLY COMPACTED IN ORDER TO MINIMIZE EROSION AND PROMOTE STABILIZATION. E. RESTABILIZATION SHALL BE ACCOMPLISHED IN ACCORDANCE WITH THESE REGULATIONS. F. APPLICABLE SAFETY REGULATIONS SHALL BE COMPLIED WITH. MS-17. WHERE CONSTRUCTION VEHICLE ACCESS ROUTES INTERSECT PAVED OR PUBLIC ROADS, PROVISIONS SHALL BE MADE TO MINIMIZE THE TRANSPORT OF SEDIMENT BY VEHICULAR TRACKING ONTO THE PAVED SURFACE. WHERE SEDIMENT IS TRANSPORTED ONTO A PAVED OR PUBLIC ROAD SURFACE, THE ROAD SURFACE SHALL BE CLEANED THOROUGHLY AT THE END OF EACH DAY. SEDIMENT SHALL BE REMOVED FROM THE ROADS BY SHOVELING OR SWEEPING AND TRANSPORTED TO A SEDIMENT CONTROL DISPOSAL AREA. STREET WASHING SHALL BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED IN THIS MANNER. THIS PROVISION SHALL APPLY TO INDIVIDUAL DEVELOPMENT LOTS AS WELL AS TO LARGER LAND -DISTURBING ACTIVITIES. MS-18. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN 30 DAYS AFTER FINAL SITE STABILIZATION OR AFTER THE 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 SEDIMENTATION. MS-19. PROPERTIES AND WATERWAYS DOWNSTREAM FROM DEVELOPMENT SITES SHALL BE PROTECTED FROM SEDIMENT DEPOSITION, EROSION AND DAMAGE DUE TO INCREASES IN VOLUME, VELOCITY AND PEAK FLOW RATE OF STORMWATER RUNOFF FOR THE STATED FREQUENCY STORM OF 24-HOUR DURATION IN ACCORDANCE WITH THE STANDARDS AND CRITERIA LISTED IN THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK, CHAPTER 8 PAGES 20-24. ES-1: UNLESS OTHERWISE INDICATED, CONSTRUCT AND MAINTAIN ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE LATEST EDITION OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA REGULATIONS VR 625-02-00 EROSION AND SEDIMENT CONTROL REGULATIONS. U%;.1TR-xN M. SH0W..kLTER Lic.No. 040_057IS] o ES-2: THE CONTROLLING EROSION AND SEDIMENT CONTROL AUTHORITY WILL MAKE A CONTINUING REVIEW AND "prJ 05/10/2021 EVALUATION OF THE METHODS AND EFFECTIVENESS OF THE EROSION CONTROL PLAN. US, S?QNAL GN ES-3: PLACE ALL EROSION AND SEDIMENT CONTROL MEASURES PRIOR TO OR AS THE FIRST STEP IN CLEARING, GRADING, OR LAND DISTURBANCE. ES-4: MAINTAIN A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN ON THE SITE AT ALL TIMES. ES-5: PRIOR TO COMMENCING LAND -DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICATED ON THESE PLANS (INCLUDING, BUT NOT LIMITED TO, OFFSITE BORROW OR WASTE AREA), SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN TO THE ARCHITECT/ENGINEER AND THE CONTROLLING EROSION AND SEDIMENT CONTROL AUTHORITY FOR REVIEW AND ACCEPTANCE. ES-6: PROVIDE ADDITIONAL EROSION CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS DETERMINED BY THE RESPONSIBLE LAND DISTURBER. (MODIFIED NOTE) ES-7: ALL DISTURBED AREAS SHALL DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL TIMES DURING LAND -DISTURBING ACTIVITIES AND DURING SITE DEVELOPMENT. ES-8: DURING DEWATERING OPERATIONS, PUMP WATER INTO AN APPROVED FILTERING DEVICE. ES-9: INSPECT ALL EROSION CONTROL MEASURES DAILY AND AFTER EACH RUNOFF- PRODUCING RAINFALL EVENT. MAKE ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES IMMEDIATELY. SOILS INFORMATION: 71B - RABUN CLAY LOAM, 2 TO 7 PERCENT SLOPES, MORE THAN 80 INCHES TO RESTRICTIVE FEATURES, WELL DRAINED, HYDROLOGIC SOIL GROUP: B 71C - RABUN CLAY LOAM, 7 TO 15 PERCENT SLOPES, MORE THAN 80 INCHES TO RESTRICTIVE FEATURES, WELL DRAINED, HYDROLOGIC SOIL GROUP: B 79B - MEADOWVILLE SILT LOAM, 2 TO 7 PERCENT SLOPES, MORE THAN 80 INCHES TO RESTRICTIVE FEATURES, WELL DRAINED, HYDROLOGIC SOIL GROUP: B 72C3 -RABUN CLAY 7 TO 15 PERCENT SLOPES, MORE THAN 80 INCHES TO RESTRICTIVE FEATURES, WELL DRAINED, HYDROLOGIC SOIL GROUP: B CL O ce z O z 0 a v rn w 0 z 0 V) w ■r n DATE 0511012021 DRAWN BY YT DESIGNED BY AM CHECKED BY JS SCALE AS SHOWN J D Q O 37 O J J W U z O 37 w O z OR z O H O w H JOB NO. r{.11. SHEET NO. C3.0 1. SET THE STAKES. FLC 2. EXCAVATE A 4"X 4" TRENCH UPSLOPE ALONG THE LINE OF STAKES. 3. STAPLE FILTER MATERIAL TO STAKES AND 4. BACKFILL AND COMPACT THE EXTEND IT INTO THE TRENCH. EXCAVATED SOIL. SHEET FLOW INSTALLATION (PERSPECTIVE VIEW) « GRAVEL FILTER 12" RUNOFF WATER WIRE MESH FILTERED WATER _� �• II SEDIMENT CONCRETE JJJ •' •' GUTTER JJJCURB INLET 12" ` GRAVEL SHALL BE VDOT #3, #357 OR 5 COARSE AGGREGATE. ���II��®��Il�glllllgllllll��� SPECIFIC APPLICATION: THIS METHOD OF INLET PROTECTION IS APPLICABLE AT CURB INLETS WHERE PONDING IN FRONT OF THE STRUCTURE IS NOT LIKELY TO POINTS A SHOULD BE HIGHER THAN POINT B. CAUSE INCONVENIENCE OR DAMAGE TO ADJACENT STRUCTURES AND SF DRAINAGEWAY INSTALLATION 3.05-2 e UNPROTECTED AREAS. 3.07-6 O (FRONT ELEVATION) O SILT FENCE (W/O WIRE SUPPORT) STORMWATER INLET PROTECTION No Scale �Ncale 2 X 4" WOOD FRAME 1.5' MAX. SILT FENCE DROP INLET PROTECTION 3' MIN. PERSPECTIVE VIEWS DROP INLET WITH GRATE FRAME �^ GATHER EXCESS AT CORNERS DETAIL A ELEVATION OF STAKE AND FABRIC ORIENTATION SPECIFIC APPLICATION THIS METHOD OF INLET PROTECTION IS APPLICABLE WHERE THE INLET DRAINS A RELATIVELY FLAT AREA (SLOPE NO GREATER THAN 5%) WHERE THE INLET SHEET OR OVERLAND FLOWS (NOT EXCEEDING 1 C.F.S.) ARE TYPICAL. THE METHOD SHALL NOT APPLY TO INLETS RECEIVING CONCENTRATED FLOWS, SUCH AS IN STREET OR HIGHWAY MEDIANS. IP 3.07-1 No Scale Ee TYPICAL ORIENTATION OF VESCH TREATMENT 1 SOIL (STABILIZATION BLANKET) SOIL STABILIZATION BLANKET (TREATMENT-1 No Scale 11- 7�I ' •■ �■■ '�•�•�•�•�:yam:�•:•ampwgp�igm:�'=��-�'.•�'tia:�'�'�'�'�•�E�•;'�a:ii;:;: PERSPECTIVE VIEW POLYETHYLENE FABRIC (ATTACH TO POSTS WITH METAL TIE WIRES SAF PERSPECTIVE VIEW PLASTIC FENCE SAFETY FENCE No Scale FABRIC 10 PERSPECTIVE VIEW METAL FENCE PIPE OUTLET CONDITIONS A A IPE OUTLET TO FLAT REA WITH NO EFINED CHANNEL 3do(MIN IPE OUTLET TO JELL DEFINED HANNEL SECTION A -A FILTER CLOTH TABLE 3.31-B ACCEPTABLE TEMPORARY SEEDING PLANT MATERIALS "QUICK REFERENCE FOR ALL REGIONS" PLANTING DATES SPECIES RATE (LBS./ACRE) SEPT. 1 - FEB. 15 50/50 MIX OF ANNUAL RYEGRASS (LOLIUM MULTI-FLORUM) & 50-100 CEREAL (WINTER) RYE (SECALE CEREALE) FEB. 16 - APR. 30 ANNUAL RYEGRASS 60-100 (LOLIUM MULTI-FLORUM) TS MAY 1 - AUG. 31 GERMAN MILLET 50 (SETARIA ITALICA) TEMPORARY SEEDING PLANT MATERIALS No Scale TABLE 3.32-D SITE SPECIFIC SEEDING MIXTURES FOR PIEDMONT AREA 3.1-1 TOTAL LBS. PER ACRE MINIMUM CARE LAWN COMMERCIAL OR RESIDENTIAL 175-200 LBS. KENTUCKY 31 OR TURF -TYPE TALL FESCUE 90-100% IMPROVED PERENNIAL RYEGRASS 0-5% KENTUCKY BLUEGRASS 0-5% 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. OP 3. d = 1.5 TIMES THE MAXIMUM STONE DIAMETER, BUT NOT LESS THAN 6 INCHES. 3.18-1 OUTLET PROTECTION No Scale GENERAL SLOPE (3:1 OR LESS) KENTUCKY 31 FESCUE 128 LBS. RED TOP GRASS 2 LBS. SEASONAL NURSE CROP20 LBS. 150 LBS. LOW -MAINTENANCE SLOPE (STEEPER THAN 3:1) KENTUCKY 31 FESCUE 108 LBS. RED TOP GRASS 2 LBS. SEASONAL NURSE CROP ` 20 LBS. CROWNVETCH '• 20 LBS. 150 LBS. USE SEASONAL NURSE CROP IN ACCORDANCE WITH SEEDING DATES AS STATED BELOW: FEBRUARY 16TH THROUGH APRIL.................................. ANNUAL RYE MAY 1ST THROUGH AUGUST 15TH ............................ FOXTAIL MILLET AUGUST 16TH THROUGH OCTOBER ............................... ANNUAL RYE NOVEMBER THROUGH FEBRUARY 15TH........................ WINTER RYE " SUBSTITUTE SERICEA LESPEDEZA FOR CROWNVETCH EAST OF FARMVILLE, VA (MAY THROUGH SEPTEMBER USE HULLED SERICEA, ALL OTHER PERIODS, USE UNHULLED SERICEA). IF FLATPEA IS USED IN LIEU OF CROWNVETCH, INCREASE RATE TO 30 LBS./ACRE. ALL LEGUME SEED MUST BE PROPERLY INOCULATED. WEEPING LOVEGRASS MAY BE PS ADDED TO ANY SLOPE OR LOW -MAINTENANCE MIX DURING WARMER SEEDING PERIODS; ADD 10-20 LBS./ACRE IN MIXES. PERMANENT SEEDING MIX FOR PIEDMONT AREA No Scale ULJ U U U ❑❑❑ ❑❑❑ STANDARD ORANGE VINYL OR PLASTIC CONSTRUCTION FENCE ATTACHED TO POSTS (PRE -WEATHERED WOOD, GALVANIZED STEEL, IRON OR THICK PVC PLASTIC), AT LEAST 40" ABOVE FINISH GRADE WITH SPAN BETWEEN POSTS NO GREATER THAN 6' ON CENTER. EVERY NINTH POST SHALL CONTAIN A WARNING SIGN THAT CLEARLY IDENTIFIES THE Tp FENCE AS A TREE PROTECTION FENCE. NO SCALE 3.38 TREE PROTECTION No Scale t aLrH off, us.%TILw H. SHOW..kLTER y LIc.No. 04U_057IS] 05/10/2021 �S 'C> S .r, r,� C. NAl M E O o+ u N N N � > E w °1 E W Q LL o 3 w OLy Q< J U OD J — uj N LL9 O N v z r 7 3x �i 04 = v c a c � N aM v OD J %D oL 0 0 x C7 0 d x H w w_ x a z 0 Ln 0 0 z O a U uj w 0 z O V) W n i n DATE 0511012021 DRAWN BY YT DESIGNED BY AM CHECKED BY is SCALE AS SHOWN J I —I Lu 0 0 Ln O z O H z 0 U z CLLI G H ILu v I 06 z O H U) O Lu c a m JOB NO. 694.0 SHEET NO. C3.1 SOIL TYPE: 71C SO INLET W/ GRATE TOP=51588' INK 1N=513.64' IF HOPE (N) INV. IN=51358' 15" HDPE (E) INV. OUT=513.55' 15" HOPE APPROXIMATE LOCAT/ON OF EXISTING PAVED PATH SO CURB INLET W/MHD TOP=51795' INV. IN=513.53' 15" HDPE SD INLET W/ GRATE TOP=513.61' INV. IN=510.40' 15"HDPE INV. OU77=510.2715"HDPE OUTLET INV. (OUT)=492.80' 18" RCP -- Q --- 18" RCP / MHD TOP=511.29' INV. IN=506.80' 15" HOPE (E) INV. IN=503.77' 15" HOPE (NE) INV. IN= 500.14' 18"RCP (SE) INV OUT=499.91' 18"RCP i EROSION CONTROL LEGEND II I 1 I I LIMITS OF CLEARING AND GRADING II SOIL AREA DIVIDE I SAF —SAF— SAFETY FENCE 3.01 I I l ill I PCE PAVED CONSTRUCTION ENTRANCE 3.02 I I I INLET PROTECTION 3.07 I�I�I \ I I 1 I TS TEMPORARY SEEDING 3.31 SOIL TYPE: l I I PS PERMANENT SEEDING 3.32 �� � � � � � 71 B I i i 1 I i I ` N1U MULCHING 3.35 1 ' STEEP SLOPES MANAGED I I I I x 1 \ (TVP) I 1 1 I TP Tp TREE PROTECTION FENCE 3.38 \ 11 DUST CONTROL 3.39 I 1 I 1 I I\1 ann AREAS STEEPER THAN 3:1 TO BE 3.36 LIMITS OF DISTURBANCE = 0.50 ACRES I 1 \ 1 1 7- STABILIZED WITH STABILIZATION I \ BLANKET 11\ (PART OF) TMP 91-2 ' \ I * "VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK" SPECIFICATION NUMBER I I THE COUNTY SCHOOL BOARD OF I I \ I I ALBEMARLE COUNTY, VIRGIN/A I I \ 1 1 DB. 1740, PG. 559 11 1 1 I I I I ZONED., R15 \ GRASS/ \ FIELD AREA 1 1 1 I I \\ � \ 11111I11111 I I 1 1 1 I I \ I 1 APPROXIMATE LOCATION OF EXISTING PAVED I 1 1 ;ATH--523---��-_-----_,\� � \ WOOD BARRIER \ 6"x 6" POST W/SINGLE RAIL \ CURB \ EP \ \\ \ \ /) 1 I 1 1 \ I 1 I \ 12" PINE ml / (DEAD} �\ 1 l 1 I 1 SO INLET W/GRATE I TOP= 1\ INV. 1N=515.5.26' 15" RCP \\ SD CURB INLET W/MHO \ \ \ �G\• \ \ \ \ \ \ O 1 I I I I INV.OUT�14.98' 15.1? TOP=518.95' (12 STANDARD SPACES TOTAL, 9 CAPTURED INS; RVEY) (2 HC SP}10ES) !y \ \ \ I / IP 1 I 1 I 1 l 1\ \ ` \ \ INV OUT=514.87\HDPE SO CURB INLET TOP 520. 10' � ASPH)OLT \\ \\ \ //� TSL INV OUT=51599' 45' HOPE \ \ \ I - - - _ d; = _ � -� - - -24=PONE- 521 \ \ (7SPACE�)` \ \ DC \ � _ ___- _;� RCp - - - - - - - - -- \ \- - - / / \\ \\ r4=FIN-E 1 L/GHTON2'0 — \ \ i 1 \\ \ GP — - UGP IP 15 _ \ ` I I CONC. BASE \ `rN/ \ / \ / - —UGP — — �Y7G`� - �b\P 11�P` I I TOP=522.8' \ \ I P / 1/ ` / 8•F \ �(11 U I \\ / / :::%•:;:/.;:;.:• 7,,7- EP vt ELECTRIC PCEic?s: Tw/ HD / \ VAULT —UGP— �_\ // :•:7 ••'N=51' '15" CP \\\ I \ \ mLIGHT ON A0 .07'1 'RCP \ �CURB CONC BASH // Ifi" E 1 \ TOP=524. 1' —Vy (16 SPACES) \\\ \ I \ \I - 1 ELECTRIC lj W — — — — W — — —W _\— — \ \1 O VAULT \ ASPHALT ASPHALT WATERLINE PER G/S `9 / - _B V6fiMARK A \\ I I 1 / MAPPING FROM ACSA /(10 STANDARD SPACES SHOWN + 1 �iC AT WEST. NOT SHOWN) \ // / — E BRIDGE SPIKE SET \\\ / 61' DE 1 L l ) (REC'D 04-09-21) \ \ (9 SPACES) 8"P/NE c&G ONTfR CTO ROVID ^\\ m �� AVEAS RA WITH a \\�1 ATESOU CEO O E / \\ 1 �P1NE\\ I I mm / OQ EP 'p /GQ CONC. STAR ONSUCT ONE TRA \ \ oQ' I 3 TREADS,\ \ \ I I - /'>\h 1 4 RISERS W1 RAIL / �I\ - - - - �_—_ _520 \` �/ I 1 I &CHEEK WALL _ — — — — \F\\ \ t IP _----------- - - ---- _ - - - - - --CQN�$SAIR_ _ - - - - - - / ^ \ \ \ 1 WATERLINE PER GIS� h \\ 1 I 8 TREADS, _ - - - \ 1 \ CONC. STEPS MAPPING FROM ACSA 1 \\ \ \ >c - - _ ' - - - - '-§171SERS �� ' _ - - - - - - - - \ I N 2 4 TREADS; (REC'D 04-0921J �W SD CURB INLET W/MHO & CHEEK WALL — — —515 /i\ \ 1 i 5 RISERS W/RAIL CONC WALL CEDAL�\\ \ \ TOP=52562' / \`� '4L 1 \ \I INV IN=521.06'8"PVC (SW) -`` - - -574 - ��'j,`\\ (W=0.67) EP I II \ + INV OUT=521.02' 15"RCP I L=- ---------------------`-o----------`�- -----_-- --- - \\ 1 1 I \� / _ _ - -527 - - - ` / r - i „vvr_ - _ _ -v-- CURB I /� I / 34 18" RCP - - - -- / \ I I / - -528- _ - - - - lA4!�1Lr=526.28' s27- _ Z l tEDAII 1 \\ / 3 q i 8 \ l CLEAN -OUT CANOPY / CONC. SINK (RAMP W/RAIL) CONC. SWK (RAMP W/ RAIL) 11 ) I yI/ m I yry6 11\ \I ( FFE=529. 01' �1 I I \ I I MULTI -LEVEL I ASPHALT i �\ ` I I BRICKSCHOOL FACILITY BLDG. LINE 1 MONT/CELLO H S 8/' CFDAR FFE=514.83 SD INLET W/ GRATE TOP=513.12' I 11 ABOVE W (1400 INDEPENDENCE WAY) I I I I / FFE-514. 83' INV. IN=508.25'15-RCP(NE) II I MULTI -LEVEL INV /N=508. 15' 15" RCP (SW) INV. OUT=508. V±18"RCP U11FBRICK SCH L FACILITY MONTIC LO H.S. 11 w 11 11 BLOG. BELOW, AT ENTR. 3 \ (1400 /NDEPE ENCE WAY) 11 \I (2) CONC STAIR(S) STAIR EA. STAIR= \ II 11 TREADS, 11 12 RISERS W/ RAIL \ 111 & CHEEK WALL \ SDINLETW/GRATE 11 II 11 \ I TOP=5 II INVU OT=509.43' 15" "RCP RCP 11 \ 11 \ I \� I SOIL TYPE: 72C3 I �6. 2 ISCALE 1 "=20' -0 20' 40' I o_, /r tti' C� • : U\.1TIL-xN M. SH0W..kLTER y LIc.No. 04U_057IS] "� 05/10/2021 rJ�� ss,r) N A I G�`C> ME N S N 'A c > E E W Q LL o 3 Ow L 0 m .tea QaJ U0� N L�a7 W O N An H � y , 3x N o Q q � c U v �ON ON M v OD J %D CL O oc Z [1 a v (n w 0 Z O V) w DATE 0511012021 DRAWN BY YT DESIGNED BY AM CHECKED BY is SCALE 1"=20' LU J J )0 LL 'z )0 i I— >z Lu 1--I Q i LU C6 )O J H� J JOB NO. 694.0 SHEET NO. C3.2 0 m 0 a 0 d a g0 rr a0 Lz 20 0 O`6 d � N (L0 Oc � m U) 3 z z„ 0 � n o o o N a 22 .N Y � N X C 0.0 016 mot.+ 0 d N 0 = m8 �g o a 10 a 0 o � m o m m 15 a m m 0 c 0 m s. E �m E SD INLET W/ GRATE TOP=515. 88' INV IN=513.64' 15" HOPE (N) INV. IN=513.58' 15"HDPE(E) INV. OUT=513.55' 15"HOPE APPROXIMATE LOCATION OF EXISTING PAVED PATH SD CURB INLET W/ MHD TOP=51796' INV. IN-513.53' 15" HOPE SD INLET W/GRATE TOP=513.61' INV. IN=510.40' 15" HDPE INV. OUT=510.27' 15" HOPE OUTLET INV. (0UT)=492.80' 18" RCP Q ---- 18"RCP MHD TOP=511.29' INV. IN=506.80' 15" HOPE (E) INV. IN=503.77 15" HOPE (NE) INV. IN= 500.14' 18'RCP (SE) INV. OUT=499.91' 18"RCP I I I I I II I II I \ 7 I III 11 I I � i�l�l I I I I liill III 1 1 I 1 I I I 1 I I I II I I I I I I I ytiry ) I \ III II I 1 1 I 5ZO / � I I X I I I 1 1 1 I l lilll I I I I I I 1 I I I I I I STEEP SLOPES MANAGED I 1 1 (I I I (TYP.) 1 I II II � 11 I PS MU 1 LIMITS OF DISTURBANCE = 0.50 ACRES ' 1 I I II 1 1 \ v 1 \ 1 I DOWNSPOWT (TYP.) 1 I 11 \\ (PART OF) TMP 91-2 - - - - - -� - - - I I I I I I THE COUNTY SCHOOL BOARD OF ' I I \,4 ALBEMARLE COUNTY, VIRGINIA I I 1 1 \ DB. 1740, PG. 559 ZONED: R15 ' 'q MODILAR I I I I I I I I 1/ I \ S CLASOOM I ELo REA FIFE = 52�.40 I I I I 1 1 1 I I 1 u'> I I I I I I I I \ 1 I 1 1 APPROXIMATE LOCATION OF EXISTING PAVED PATH i52 2' _ - ----�\`� _-523------ cam\ x X / 1 \ WOOD BARRIER \ - \ 6"x 6"POST W/SINGLE RAIL'S PS / -/ V. 1 1 1 1 1 1 I \1 I II m / CURB \ \ 11 1 1 I I MU -- -r ---- I 77\ \ I12"PINE��CURB \ ..:? N1 1 1 ((DEAD) \Lp SDINLETW/GRAp I \:� /TOP=51Z69,ti \ / ,;:I::;,: \ I / I I I ( I1/NV. /N=51526'15"RCP\ \ \ �G\, \ \ \ :..yt.,:. o I 1 1 1 1 \ INV. OUT=514.98' 15"RCS SO CURB INLET W/MHD 12 STANDA/7D SPACES TOTAL, 9 CAPTURED IMSURVEY \ 1 \ �\ TOP=518.95' ( \ ) (2 He s�,aces) \ \ :..;�` 519 I P 1 1 1 \ \ \ \ INV OUT=514.87' 15"HOPENwCIA SD CURB INLET W/ MHD - _ TOP=520. 10' ASPHlE1LT \ \ \ 'S22 I PS - - _ y- / / 1 / \ \ \ \ \ \I INV. OUT=515.99' 15" HOPE \ \ \ \ - - c >-� - - - 521 -a - / �) \ \ \ \ \ \ � \ \ (75PACE�)\ ..:: MU,=�` MU - - - - / \ \ r1^eINE LIGHT ON 2'ID \ GP -U IP "' 524 I I CONC. BASE Ln \ .:':.. _ ,;{1r'aP -� .- ..,.�.-73C7.:• w- - - — _UGP�— I I TOP 522 8' %r PI� IIIII �� \ I , U ULTRIC I I F 53� \\\\ I I \ \ UGP — — _UGP — — - \ / :l• •.1 N=b? ' 15„ CP \ 1 \ \ m r��I�F'j/' - — \ \ /' LIGHT ON t"�D ., �<....� U .0T 1 "RCP \�\ 16„\ E I\ I � CURB CONC. BAS4 I-/,� / \\ EP 1 TOP=524.V 1 _ _W i / (16SPACES) \\\\ 1 \ II "'� \ W No —yy 1- ELECTRIC J W _ — — _ —W T-�\ — — — -} — — \\ 1 VAULT ASPHALT ASPHALT \ WATERLINE PER GIS `D _B 1V.EFlMARK \ / I MAPPING FROMACSA (10 STANDARD SPACES SHOWN+ l`hCAT WEST, NOT SHOWN) \ // l _ E BRIDGE SPIKES CONTRACTOR O PRO �/a I� \\\ O DE� 1 (REC'D 04-09-21) LL \\ c&G ELEV=52553' PAVED WASH RACK WI+f'Fi '4CESJ "PINE / \ / /j! \ WAT R SOURCE O SRO E \\\m I I \ I CON RUC ION E TRA \ \ \ EP VQ / CONC. STAIR 12" PINE\\\ X P � \ /1 Q- , 3 TREADS, �\ I 4 RISERS wrRA _ a 25 \ 1 \ ) I - _ - - - - - - - -__ _520 \ v/ I I I &CHEEK WALL - - - - �5 \ \ I t \ L r1I\s I - -- -- - - - -- °\\\ s - -CONK SSA1R- - _ - - - _ - \ / \ \ , h WATERLINE PER GIS H \\ _ _ 8TREADS, _ - - - - \ \ \ CONC. STEPS MAPPINGFROMACS4 \\ \ \ X - - - - -J RISERS w fJllC - ' - - - _ - - - - , 1 N 2 4 TREADS. (REC'D 04-09-21) 176- ��` SD CURB INLET W/MHD - _ _ _ _ &CHEEK WALL - 515 �//\ \ \ 5RlSERS W/RAIL CONC WALL CEDAh\\\ \ C9 \ TOP=52562' io --514 �./\ \ \ I I (W=0.67) I Ii \ \1 INV. 1N=521.08'2'15-RSW) •L INV. OUT=521.02' 15"RCP 15 ffi EP 1 \ 1- - v CURB 527- -� - - - - l� /---------------------- 18"RCP - -- _ - - - \ \ I / - - - - - -528- - - - - NV�/I=526.28' - -52T- - IIT 1 1 \\ l/ CLEAN -OUT CANOPI' 1 i 8"ICED.4I X / I I CONC. SEVK (RAMP W/RAIL) ys I CONC. SWK (RAMP W/RAIL) 11 / 1 C) 1 \ I \ FFE=529.01' 1 / j1 (II III I I \ BRICK SCHOOL FACILITY I ASPHALT i �\ SLOG. LINE FFE=514.83' SDINLETW/GRATE 11 MONTICELLO H.S. I I 81'CELIAR TOP=513.12' 11 ABOVE FFE=514.83, (1400INDEPENDENCE WAY) I / INV 1N=508.25' 15" RCP (NE) INV. IN=508.15' 15" RCP (SW) d I I I I 1 MULTI -LEVEL INV. OUT=508.1't 18"RCP U II A $ BR/ICbiKONTICOE�LO HCSLI TY 11 Il BLDG. BELOW, ATENTR. \ (1400 INDEPENDENCE WAY) \ 1 (2) CONC STA/R(S) 11 EA. STAIR = \ 11 11 TREADS, 1 \ 12 RISERS W/ RAIL \ `II 8 CHEEK WALL \ 11 11 \ SD INLET YV/GRATE 11 � TOP=513.38' 11 INV. OUT=509.43'15"RCP 11 \ 11 \ i EROSION CONTROL LEGEND * LIMITS OF CLEARING AND GRADING SOIL AREA DIVIDE SAF —SAF— SAFETY FENCE 3.01 PCE PAVED CONSTRUCTION ENTRANCE 3.02 IP ® INLET PROTECTION 3.07 TS TEMPORARY SEEDING 3.31 PS PERMANENT SEEDING 3.32 M U MULCHING 3.35 Tp TP TREE PROTECTION FENCE 3.38 DC DUST CONTROL 3.39 BM AREAS STEEPER THAN 3:1 TO BE 3.36 STABILIZED WITH STABILIZATION BLANKET * "VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK" SPECIFICATION NUMBER SCALE 1"=20' 0 20' 40' o_, �r �'' c2 O� : U\.1T1i1N M. SHOW..1LTER y LIc.No. 04U_057IS] "� 05/10/2021 4�1 rJ�� ss�r) N A I G�`C> M E 0 N U N 'A > E w °1 E W Q LL LL 2 3 O�� ¢<J UOS J — uj N LL9 W O N An 3 x Cn < oQ �� c U v a� N dm 7 OD J %D v) 0 0 w Lu a Z 0 0 O CL O oc Z O a v (n w 0 Z O V) w DATE 0511012021 DRAWN BY YT DESIGNED BY AM CHECKED BY is SCALE 1"=20' i J 'o LL ) :z )O �U J )z LU J 0 Lu 'z )0 J H J I w - O J w JOB NO. 694.0 SHEET NO. C3.3 0 m 0 a SD INLET W/GRATE TOP=515 88' INV. IN=513.64' 15" HD-E (N) INV. IN=513.58' 15"HDPE (E) INV. OUT=51355' 15" HDPE APPROXIMATE LOCATION OF EXISTING PAVED PATH SO CURB INLET W/ MHD TOP=51796' INV. IN=513.53' 15"HDPE SD INLET W/GRATE TOP=513.61' INV. IN=510.40' 15' HDPE INV. OUT=510.2715' HDPE OUTLET (OUT)=43280' 18'RCP 18" RCP MHO-1 TOP=51 T 29' INV. IN=506.80' 15" HOPE (E) INV IN=503.77' 15" HDPE (NE) INV IN= 500.14' 18"RCP (SE) INV. 0UT=499.9l' 18"RCP APPROXIMATE LOCAT/ON OF EXISTING PAVED PATH WOOD BARRIER 6"x 6"POST W/ SINGLE RAIL Foal SD CURB INLET W/MHD (12 STANDARD SPACES TOTAL, 9 CAPTURED IN SURVEY) TOP-518.5 INV OUT=514.87' 15"HDPE SD CURB INLET W/MHD ASPHALT TOP=520.10' INV. OUT=515.99' 15" HOPE (7 SPACES) LIGHT ON2'A II CONC. BASE II TOP=5228' —UGP — — —UGP Foal _ — — — W — — — W — — — ASPHALT WATERLINE PER GIs T (PART OF) TMP 91-2 THE COUNTY SCHOOL BOARD OF ALBEMARLE COUNTY, VIRGINIA DB. 1740, PG. 559 ZONED: R15 —w — MAPPING FROM ACSA (10 STANDARD SPACES SHOWN + 1 HCAT WEST NOT SHOWN) (RECD04-09-21) 30' LONG RAMP WITH HANDRAILS (DESIGN BY OTHERS) 7.83' X 6' LEVEL LANDING COORDINATE FINAL SEWER AND WATER LINE ROUTING, SIZE, MINIMUM COVER, AND CONNECTION LOCATION TO EXISTING FACILITIES WITH MEP ENGINEER AND PLUMBER BEFORE BEGINNING CONSTRUCTION CURB RAMP (2 HC SPACES) TIE PROPOSED CG 2 TO XIS_ G ATXIS_NkiWik{iT JOINT - -LIGHTON2'0 CONC. BASE TOP=524. V ---W— I I I I TIE PROPOSED CG-6 / TO EXISTING AT NEAREST JOINT C&G /� h CONC. STAIR 8 TREADS, 9 RISERS W/ RAIL & CHEEK WALL /r -- --------------------------- --- -------- -- 18"RCP lI CONC. SWK(RAMP W/RAIL) 3 FFE-514.83 SD INLET W/GRATE FFE=514.83' MULTI -LEVEL BRICK SCHOOL FACILITY MONTICELLO H.S. (1400 INDEPENDENCE WAY) TOP=513.12' INV. 1N=50825' 15"RCP(NE) INV IN=508.15' 15" RCP (SW) INV. OUT-508 V18'RCP SD INLET W/ GRATE TOP=513 38, INV OUT=509.43' 15" RCP a T 9 Tx 8" ELECTRICAL TRANSFORMER PAD (DESIGNED BY OTHERS) STEEP SLOPF ANAGED— �, vP) T MODULAR CLASSROOM FFE = 523.40 VAI RAISED AND SL ,WALKWAY WIT HANDRAILS 15' RC BY OTHERS j� EP s cuRBl LETW1 WHO TIE P TOP ' INV IN=51 .22' 15" CP T V OUT= 14.071 'RCP NEARE ROPOSED CG-6 O EXISTING AT ST JOINT (TYP.) I (16 SPACES) RESTORE PER j uauLr ASPHALT PAVEMENT rl RESTORATION ` DETAIL ASPHALT /11 BENCHM,t,,, E BRIDGE SPIKE SET ELEV=52553' (9 SPACES) C&G \ CONC /R 3 TREAC" \ 4 RISLKS & CHEEK ✓I/A:_.. - SAWCUT, REMOVE AND REPLACE ASPHALT AS REQUIRED FOR WATERL/NE PERGIS WATER CONNECTION PER MAPPINGFROMACSA \� PAVEMENT TRENCHING DETAIL (RECD04-09-21) IvC. WALL W=0.67) EP CURB 4"PVC INV. OUT=526 28' CANOPY —� CONC SWK(RAMP W/RAIL) FFE=529.0f MULTI -LEVEL BLDG LINE SCHOOL FACILITY ABOVE MONTICELLO H. S. (1400 INDEPENDENCE WAY) BLDG. BELOW, AT ENTR. (2) CONC STAIR(S) EA. STAIR = 11 TREADS, 12 RISERS W/RAIL & CHEEK WALL i I I I I I I 1 \ 1 r \ z C T m n m\ 12" P/NE -j (DEAD) \ SDINLETW/GRATE TOP=51769' INV, IN=5152615"RCP INV OUT=514.98' 15" RCP \ \x 1 24"PINE -----UGP—_� �I CGI12 I I VAULT `FLUSH CURB O TIE PROPOSED I 6"DEC SIDEWALK T lvv� 1 EXISTING ASPHAL a I -O \ \�\ 6"DEC I PINE \\ I\\ 12" PINE X F WIDE \ 4Fr CROSSWALKTO CURB INLET W/MHD TOP=525.62'INV. IN=521.06'8'PVC (SW) I"I INV. OUT=521.02' 15'RCP N l']) rr n 8 CEDAR a T I m 1 =� r IASPHALT �e I8-CEDAR I \ LEGEND: HEAVY DUTY ASPHALT CONCRETE SIDEWALK LIGHT DUTY ASPHALT SCALE 1 "=20' 0 20' 40' 2' US.%TIL-xN M. SH0W..kLTER y LIc.No. 040_057IS] 05/10/2021 as sITINAI DATE 0511012021 DRAWN BY YT DESIGNED BY AM CHECKED BY is SCALE 1"=20' ]OB NO. 694.0 SHEET NO. C4.0 A SD INLET W/GRATE TOP 51588' INV IN 5I3 64' 15" HDPE (N) INV. 1N=513.58' 15" HOPE (E) INV. OUT=513.55' 15" HDPE APPROXIMATE LOCATION OF EXISTING PAVED PATH i I I I i I I I \ lid I I I I I I 1 I I I IIII I 1 I 1 III I I I II I I I I I I I 1 I I I I I II I I �ryti 1 I IIII 1 I I I / IIIIIX I 1 I I y20/ I I I I I I I I I 1 � IIIII I I I I I III I I I I I I of II IIII I 520.94' STEEP SLOPES MANAGED I I I I 1 X 520.82' S20.39' �9.35(TYP.) I 1 II i III i I \ \ 1' I I I 1 \ \ "� I I I I I I I II \\ I 520.78' S20.55' 1 ECK 520.35' I I 111 523.40' I I I I I 520.70" 1 \ I DOWNSPOWT (TYP.) I I 11 I I h 1 \ 1 I\\ (PART OF) TMP 91-2 --------- - - - - - - - 1 I THE COUNTY SCHOOL BOARD OF \ I I \ \ I ALBEMARLE COUNTY, VIRG/NIA \ I I I \ III 1 1 DB. 1740, PG. 559 \\ MOD LAR I I I I I I ( ZONED: R15 \ A CLASSROOM I I I I I I I I I \ / CONSTRUCT RAMP AT GRADE / EL \ / \ o REA FFE = 5�q40 . I I I I I I -T I I I I 1 I WITH A 1.5% CROSS SLOPE TO \ I I I I I I I I 1 I ENSURE POSITIVE DRAINAGE I I I I I 2'X1' CONCRETE SPLASH BLOCK �522 ACROSS IT AND OFF THE \ I I 1 1 \ (TYP. SOUTHEAST SIDE INTO THE DITCH I L0 I I I APPROXIMATELOCATION OF EXISTING PAVED / - ' \ 520.92' PATH _523- / \ WOOD BARRIER \- - _\6'x6"POSTW/SINGLE RAIL / -I `'; \ ';a?:� I ,� 1 I 1 1 1 1 I II 11 I, 1 m CURB \ \ _ _ _ _ _ _ _ _ _ _ _ 1 1 1 1 I , , 1 i1 CONSTRUCT WEIR TxY SQUARE WALL AROUND TOP OF \ EP tN \ \ \ "'19 1I 1 11 1I, I , \ 12"FINE I EXISTING DROP INLET STRUCTURE. PROVIDE A3"TALL BY \ 521.64' 1 1 1 DEAD 4.5" WIDE ORIFICE OPENING AT ELEVATION OF TOP INLET CURB N \ -- \ 1 1 1 1 1 I ( ) \ \ . N I STRUCTURE 517.70. CONSTRUCT TOP WEIR WALL ELEVATION \ R?4MP \ "'.,:: 'O >NV \ XTO 518.50. PROVIDE MORTARED 80TTOM OR MASTIC SEAL \,SDIW/GRATE.P=51769AROUND BASE TO ENSURE LOW FLOW PASSES ONLY 520.00' r519.50' 1 I 1 I I 1 IN=51526' 15"RCP 1\ THROUGH ORIFICE OPENING. LOCATE ORIFICE OPENING AT \ \ \ \ 521A' S19.12' Z. I I , 1 INV. OUT=514.98' 15"RCIP CONFLUENCE WITH SWALE DRAINAGE TO THE NORTH OF SDCVRBINLETW/MHD \ \ \ A I \ rn (12 STANDARD SPACES TOTAL 9CAPTURED IA;SURVEYJ 1 N\ THE INLET. TOP=516.95' \ ' (2 HC SPACES) ! \ \ -:: \: I \ \ INV. OUT=514.87' 15" HOPE S�'i 520� f 519 SD CURB INLET W/MHD \ \. \ \ [ \ r:?.; y _ - ASPH,QLT \ \ \ �S? 52P.77' ` - i �� �-� �. 20 / \ \ N \ \ TOP=520. 10' / ? - - a - / / \ INV. OUT=51599'15"HOPE�23. _ 23:97� - - --521-\L - ) \ \ \ (7 SPACE-4)\ \ ^_ - T!C j54'4.7, \ \ RC ------ -24.09'-\L - i 24-4- L/GHT ON 2' UGP - -52 - - \ > � U \ I I CONC BASE `rc'y \ / \ �- I I TOP-522.8' EP EX/f 524.61 III I ELECTRIC I I \ l S CURB I LET / HD EX C 523.8 VAULT T P�23.2 ' \\ I \ \ \ \ Til -UGP - -\ -`UGP / \ � � � / / I V. 1N=51 .22' 15' TC 3.69' / � 524.21' \\\ I � 1 LIGHT ON AO l V. OUT= 14.0T1 "RCP \ I \ CURB CONC. BASG �� // i \\ 8" E� 1 \ I \ TOP=524. 1' EX. 524.30' \\ I \ II // \ it EP I 1 / - - - -W - (16 SPACES) \\ \ �y24� EX. 524.38 \\ I I _ _ W 1- \ ELECTRIC \\ I I I I IN \--- \\ , 02 VAULT lv ASPHALT ASPHALT WATERLINE PER -S `� y\ \ / _ _BENE%IMARK 6 \\ I / MAPPING FROM ACSA (10 STANDARD SPACES SHOWN + l\C AT WEST, NOT SHOWN) BRIDGE SPIKE SET \ // I _ \\ I I I / l (RECD 04-09-21) \ \ \ - E \ 09 SPACES) "FINE // \ ELEV=52553' C&G \ \\ m 1 \ 17 SD CURB INLET W/MHD / 12"PINE\ I X TOP=51796' / OQ \ EP \ rt'/�/GQ / CONC. STAIR � \ \ \ \ I I INV 1N=513-53'15"HOPE -----_ 520 \\ _--r - SO INLET W/GRATE �n - _ - - - -- _ _ - _ TOP=513.61' // �/ �5 - - _ - - - - - -CQN� SSA/R- _ - _ - INV. IN=510.40' 15" HOPE / 1 8 TREADS. - - _ _ - - - - INV. OUT=510.27'15'HOPE // / �/j ---- - - - -ZJ RISERS wMAC -' _ -- - - -- - -- - OUTLET l �i - - - �, - &CHEEK WALL- - - -515- n \ INV. (OUT)=492.80' 18" RCP / / /5 /- -514- - - _ H 18 RCP MHO TOP=511.29' CONC SWK (RAMP W/ RAIL) 11 INV. IN=506.80' 15" HDPE (E) 11 INV. 1N=503.7715"HOPE(NE) / 1 INV. IN= 500.14' 18"RCP (SE) / 1 INV. OUT=499.91' 18"RCP 3 11 FFE=514.83' SO INLET W/GRATE 11 FFE=514.83' TOP=513.12' 11 INV.. 1N=508.25'15"RCP(NE) 11 INV. /N=508.15' 15" RCP (SVV) (L 11 MULTI -LEVEL INV. OUT=508.1'+ 18"RCP U 11 BRICK SCHOOL FACILITY r 11 MONT/CELLO H.S. 11 �11 (1400INDEPENDENCE WAY) 11 11 1\ 11 \1 3 11 11 1\ SD INLET W/GRATE 11 TOP=513.38' \ 1 INV. OUT=509.43' 15" RCP 11 11 E 3 TREADS, 1pC� 4RISERS IN/RAIL / I I & CHEEK WALL\k\ \ t A \ \ \ ( co CONC. PER G/S H \\ \ \ \ 1 CONC STEPS MAPPING FROM ACSA 1 N 2 4 TREADS, (REC'D 04-09-21) 176- SD CURB INLET W/MHO \ i 5RISERS W/RAIL CONC. WALL CEDAfh\\ \ a\ \ I TOP=52562' I Zi \ \ INV IN=52L06'8"PVC(SW) \ I / (I41=0.67) EP I )I \ /NV. OUT=521.02'15"RCP -o - _ -a- -527------CURB "PVG _ _ ` l / - - - - -528- - - - - INV-OlLL=526.28' -527-. _ / :z 1 8"I CEDAIRI 1 1 CLEAN -OUT CANOPY CONC S K(RAMP W/RAIL) 1 S (4 1 1 �/ I \ FFE=529.01' y I 0 I \ 1 MULTI -LEVEL I ASPHALT [ BRICK SCHOOL FACILITY 1 \ BLDG. LINE MONTICELLO H.S. I 8L CEgAR \ T ABOVE (1400INDEPENDENCE WAY) BLDG. BELOW, AT ENTR. (2)CONC STAIR(S) EA. STAIR= 11 TREADS, 12 RISERS W/ RAIL & CHEEK WALL SCALE 1 "=20' 0 20' 40' : U\.1TIL-xN 11. SH0W..kLTER y LIc.No. 04U_057IS] 05/10/2021 rJ1�zs�r) N A I G�`C> M E O N U N 'A c > E w °1 E W ¢ w 3 O LL 2 x � cl O L a Q<J U05 J - ui N 0W O N v H � B 3 x U) < c U v c ui N M v OD J CL O oc Z O a U In w 0 Z O V) w DATE 0511012021 DRAWN BY YT DESIGNED BY AM CHECKEis D BY SCALE 1"=20' O O < e t Q F J C UQ L C Q L J `- Q c OF L C L C U 2 c O` J F J WL L U` L L C z` O In TWA LJ JOB NO. 694.0 SHEET NO. C5.0 0 m a g0 00 IRZ 20 o2 02 E 0 �d � N a� Oc � m (9 3 Z C) m O 2� F L m o 8. o .§ m 22 y N y � N X m 0.0 mot.+ d N m 0 m c `o �g 0 10 a 0 o � m o m m 15 a m m 0 c 0 m s. E � E \ \ \ I. \ \ \ \ \ \ , \ \\ I \ , \ \ I' I 1 i IJ I I 1 \ \ . �y win1 // mass 1>� \ 1 1 \ I I I, 1 \. �� �� ��J•RL�QV� �, ilk, I / / I l 1 \ 1 \ \ , I _ I l'.. _ ws• �'T,Y' •�, . ;:•4:\LTH U t I APPROXIMATE DRAINAGE \ I \ \ I 1 t ^ I f I * ,) \: _ ?UQj S.'v 1'� �N F 1 141 \ ', • :\ . `•\ `�•�� _`,,, �8._ ,.`s•• `\ •` ., \,• C\ !I ,f" �� ' \ -1♦ fi AREA OUTFALLING TO < I ,�. \ - • •�'- C,•. O .t,,•. '©1!cMi i`'�.E:•.Zi=,•l:Z��\�. 0 r / \\ \ - EXISTING POND I I \ \ �- _ \ I I f r I I \ }t \ �' l - �1 ,'`.:'\ \ \\ `` \.. ``���• ____: ,'•a., �`•_ i•,'' ��,•• �' Ci II , // ^ ♦ \\ _ _ 1 I I _ - + I I ` I I I' 'I'P- ` ��, "_'_- ;a�� `__"- -`��� ,Eit:':3'•iC,�`���.. r p� .!�-�..p•+iG... ? �I /I \ \ \ \� _ _-APPROX. 177 ACRES 1 l III I l I / 1 1 I \ \ y��.� Y r I / / 1 I I I l I I f f 1 I j1 , l J v, •' _ -- -_,1' \1•.. _ -• _:; _ i_�. ¢�S �•:,' =`•= �.. � _ �'' :• . 1 , , �t. ' _ :U\.1TH�XILSHON'.\q•ER ! \ I 1 (I - _ 101 1 1 I I ' 1 �` < -� �� _ i4't:�._ - 1 3 11+ 1 1 + I�f111 II+-/ �_ _�__ _- / ,\ \ { ! 11111 I I I 1 olfr < Illp 1 1\I,1 ��\.. �\ \`���`- -_- '1\• a `. _ �` 1�� �I _ � ` �_ .. ° ,•'�• _' �•, - `. ` '• • \ LIc. No. U4U_057151 1 1 I 1 1 ' I II I l ll 1 II �1- - - - - \ I , t I + I I I I I I I I I + 1{� 1 I \ t ,%.�� _) �``- ���•,:___-'- M�Dr �`,,• •i., \ •,'`,•\••,111 , I I 1 it \, t 1 `\ I\ 1 I f 1 1 1 1 1 11 I,, I I t _`_ \ , / I i I I I I I I 111 lio I l pl I, 1 W,, EVERT I N ER \` �\ ♦ \ :j���-��++�� ` •,� \,'� • G�V�' t I its 1 + Zr < ` °.� I- I ; I ' 05/10/2021 f 1 1_ + I, 11 I \ 1 ! 11 I I\ 1 I I 1 f I 1 1 �t U �,\ I , 1 {{ \ r 1 \\ - - - - \ `\ \ \ \ +1 ll +` l I III, '1 \ _/ \ , I 1 1 , / I l 1 i ll l i l'\\ 14l , I I I \ \ �• PATH TO POND ` l �; % 11 �``•. , /!_.-, �,, �,; i -_�,' f 1- .SslONNA l !G \ I �l \1 ;\`\ \ \ 1 00 II II II1,f I _ 1 it \ \\l \\ I+I1 I IIi 1_ II III 1 \1 11 I `,1 "% I \ % \ I 1 1 1 1 1 1 I I I _/ I 4 1 I y, 1 I I \ \ 1 1 m 1 1 ( 1 l 4 I . 1 1 1 1 l I I l 1 , 11 I 1 \ '(iSE`•:$E 04,Crt ; \� 1 1 1 r \ l \ \ \ \ \y , \ . I \ \ \ 1 f8" PhOUR-, E bpiQO / —�' • ` \ . �? I ; � l f / I I l \ 1 1\ / / + \ '\ \ -- = ", • •_ 1; 1 IS \ 1 / I I + �. `•', • \ � / / I / \ 1 \ f 1 \ 1 .,` PA •VER_ W \ 111\ \ \ \` 1 \ 1 , 1 \ I \ \ / I I - - - ' \ \ �� / ! I I 1 + •,'`-- i.•.�'• - .�/ 1 `J •cay 'b �`,,•',•' /, Li.: ,'\\1\ ` \ \ ♦\ \ 1 1 1 I l 1 \ \ I'< 11 \ 1 1 1 I POND... �::,'�3sss,s' `=y li _ i 1 - -I z�\ • _-1p:R�"P'!a//�i:;:�,; 0 0 \\ \\ _, ; �:. '�%i%alisEi ''.�i:�. _ _ • .: 4/ / f ' N u 1\\ N. N. \ \\A�p / I I \ \ ( _ -\\ll\+ \ ' 11 /, 1 \ \ , l 1 •.y:. .` „" Y /l" --i fi':YO / '- r� TOTAL SUIRFa CE DRAINAGE I ( + 1 \ \ \' W �/ % TDE flR / / 1 \ \ \\ ,\ t;'1:11 \ �` / 1 / ' V 1 1 f I t \ \ \ + bD , ''• Q::.'/�•': /!/'� i� ��� - - - ------g ''- a E 1 4' HIGH i� / ©-'--•-�i-- I,Af/L" > E IV' N _ \ \ \ \ , TO EX YARD INLET 1.57 AC + 1 \ DIVERSION ;.�.%: i.•�/,, r� _ -1:1, ?' 1 Cf�.3%twL '.:r-/.- / 6p,\` \ \ 1 l ' \ I 0/KE-�i :ice v nb-C - i ,' �1:1 !/• ":.'.Y 11 r w 3 �,,. .•� :r`— _ �.y.r-c-/i71,,F(°E.•- f, \ \ I PROPOSED MODULAR SITE { I / = ..-_- /" a 3 /f! / ` ` ` 1 ' '" -"' :.i / •''/^ /% / . / ice- . ��1!�lirQ �%.,�;!� . �, ¢ 0 3 / / 1 •• 1 � � 1 I 1 / / ' ! / // f 1 � \ I \ \ \ � \ 1 I I I I I ! I \ 1 I 1 i f ' 1 I I � . -'o i ".!'.:' % ' i /�� �,'�,/ � ___ --- � t o G ro ti III ! \ l� ,/ / ( ,,III,.(, l r _ \\\ \ \ \ \ I r ••� �wsm ylNo \ \ \ l /!!( 1] 1 ��.' `\` \\ y I I I I I I { I 1 I lj1l �°" :'' ;"'', /,:'%;.I:;,,•;� / ,. // �.��� -•- - // < Um Z 1 I 1 I DRAINAj Or AREAS TO ■ 1 1 , I / / / » o EXISTING STORM OUTFACE 1 1 I 1 1 \ W ;�• _ /.'. .r / /�' '/ -- i, /.j;/' ' 7. a > x. $ - - < \ \ \ ` 1 ` o!\ I �' + f 1 1 I(c;ELLO/HIGH SCHOOL SITE PLAN. DATED:°- -- : 4 0': r �, W v F/� \ I 1,11 /, , of /1 / lAIIII-[II d /// 3ON x u 1 1 \ \ I l \ / I I I I Illlll / \1 I, ! / /ol����I \;\1\I\ \\ `\ \ \\\\1 I 11 '/ ` 1 1 I r,ll1, �w �� w0 III ll 1 , 11\ r/ I I, / / / 1fIIlG' _ w , , / /, r II I ; EXISTING OUTFACE CHANNEL INSET EXISTING 18" Q I I } 1 r (SCALE = 1"=40')ui RCP QUTFALL . > III ¢ APPROXIMATE 1 1 ' 1 \ \ I - I ,. I / / \ LOCATION OF I Ir I \ l I rY Ilir + \\,t `/ ' r IIt111 1 1 \. \\\\ �\ �\\ '-�� L J__ �__-.� \ 1 1.`.. \ o b ow EXISTING 18" RCP � � � � \l I( I el c'- -' �� \ 1 I\ \\ 1 m w OUT -FALL TO POND \<` I t / I 1 l\ \ ` . \ I {I r 11,11, - /, /' / > , I ! 1 1 ` \ / :: \ \\\ �� -. �\ \ 1 I IIIji[ 1 I 1 I , , 11 . , , \ \\ I l it if IN 4 \'� I II1 I \ j111\\ `/ //� �\_\ _ ! ( I \Y `\\� _-- I `--> I11'III I+ ,I I Ji I11,1 IN + 1 1111 \\N�� �- �: \\\\ \ J !r I 1 \ \ \ \ 1 , ( \ ,\ \�/ ', ! , 1 1 I I I \\ \ _ _ _ __ \ ' \\ \\ \ \ 1 ! / I S IS/T Cv ALL CHANNEL,I I ` 1 ` \ /! / ' I Il,r I \\ t I + I1+1 I \ \ \ ``------`.\\<\` \\" '/ / r` I 1 / '� -� �'/ \ _-'�/J .,,'/ \ \ If(� CONCRETE LINED O II, 1 \ 1 I I \ ll I f ` \ \ \ `� `-----,\\\\\\\\\\\ 1, '/'ice //' , l/- I 1,\ CHANNEL / , I \ _ _ _ _ ♦ \ , 1 , 1 1 I / I I / / // / - _ u \ /, I \ \ \ EXISTING CHANNEL SLOPE = 5.90 /o O / / `11 \ \ � \ \ , 1 I I I 1 I 11 !! I 1/// \ ` \ \ / / / l / j/ •__.- /' // \ \ , � �� ` ` SLOPE = 7.8% ° w 1 1 1 \ I + ( 1 f I I l' ! II ! < \ \ / / / / / / ! , / / ♦ 1 /,,_�� r / w Tc = 5 min. Tc = 5 min. > 1 \ \ \ y I 1 1 1 r / / I I r r I ! I \ \ 1 I , / I , , // 1 ( / I II I 1 / Q2 = 6.06 cfs Q2 = 6.06 cfs = ~¢ Ill+l 1, \\ 11111 11 \, I�,�, Ur �1 1 Ill <`\ ` \\+ 1 I 1////'7i1 / // / 1 II ' I/ III / / Q10=8.00 cfs Q10=8.00 cfs Q O 1 I / 4 !11 1 /' 1 ♦ \ ` \ ` I ' // / '/ 1 / / / I / / l / I 2-YR VELOCITY = 3.87 FPS 2-YR VELOCITY = 15.18 FPS z <r 1 \ \ 1 \ \ 1 II 1 II II /I or !rl \ �_1 / // / 1 ! / �,l ' I / f ! I / / I i , 11 10-YR DEPTH = 0.53' 10-YR DEPTH = 0.41' O (it 1 I / / / -� \\\ J) DATE \\11,1\ ` I1llll l' '/J/l/JI` ==-- �l 1 / !+ \I ��`'JIIII 1111+ (l / /I /l / l // \\\I\\\ f °C _ , _ - _ , ( ,Ill ' , - - - - - - - , , I \\ DITCH SECTION A -A DITCH SECTION B-B 0511012021 �,1,1\ .' O - -• - - '- - '111' ' I ` ` /' / i ,\` 11 }I I ` 1 \I . ' (No Scale) (No Scale) > / 1 DRAWN BY 41 \ \Illlll I t 11/'/! \ �\ \ \\ ! / I 1 , I \ , + 11 1 41 I / \ �/� 1\ 11+1 , I \\`\\\ \\ �� \` \� \� / / / 1 /48Q\ !I ' __I I1I 1 1} ! 1It11IIII f \\ \\ \ , ��1 \ 1\\\ \, YT Illlll 1 { 1 l 1 \\\ \p�0 �\ �� \ ` /// / ' J / __-//I, 1 114 111,111 ..\ \\ S� `\ 1 1j1\\1 \ \ I I / / / I / / / / - - - - - - — - ' I 1 1 V i 1 1' \ \ Q \ ! / 1 \ • DESIGNED BY II -� , / = 1 \\\ EXISTING UTFALL CHANNEL ANALYSIS /- �i-\\ \\ Illlll \\ \1 1111 ,4{\�\`�`\�\ \ \\ \ �`_�_ ��/ / / / / ' ,1-♦\\\\\I\ �I,i llltl1l\\ \\ \ \ `\, \ \\\ • AM \ \ IIII ! 1 1 \ \ 1 1 %--- `----/ r Il I / I I I \ \ \ \ / • CHECKED BY it lI \ N. 11 1 1\ \ \\l1t I +III lilt \ \ \ N. \ \ \ � / 1 \ 10I \ \ 1 1 \ I I I r I ' \ \` -� / \1111 I 1+\\ I I \ \ \ \`, �J l • JS I\ I \ \ \ Ilk, { fl \ \\\\ +I ` \\ N�, I WATER QUALITY CALCULATION (PHOSPHORUS REDUCTION REQUIRED) SCALE I/ i 1; �'` Shp 'ili;l I Ill I i / '� //';� i ' `l ` - - - - - - - - -' SUMMARY FROM RUNOFF REDUCTION SPREAD SHEET (SEE C6.1 AS SHOWN I' ♦ \ y� i 11 \\ \\ 1 ', \ \\ \I 11 f f/` ( - 1 1 1 11 1/ /'.� \ \ MILL CREEK DRIVE , STORMWATER CALCULATIONS): - \ I y 11 1 / \ /III `. <\~ I1111 \ \ \' \ \ \ 111\\\\ / 1 lyl/;/./,/ `� I \ / ! • / / V I \ \ \ ♦ / / / / - \ / - _ / / TOTAL ON SITE DISTURBED ACREAGE: 0.50 ACRES \ I \ \ / ' PRE -DEVELOPMENT LAND COVER: 1 , l- \ \ 1 , ( / / / 0.00 AC FORESTED/OPEN SPACE � -- - ----------- \ // �-/ I 7\ � ,/ /,/ , s It \ 1 1 1 ///,` ' \ 1 1 0.49 AC TURF O 1 / j \\ 1111Ikli 1 \ \ ` \ ' ' /' \ 11 1` - J / /'�` \ 1 / I I 0.01 AC IMPERVIOUS / ■ ' ( \ \ 1 \ < ` ' \ ` \ Illlll\\ 1 // I �� / ll+/ / Il I I �J \ \ / l ' ' I + I / / ! \ \ \ t / I I , < \ , I 1 1 \ I I l ,\ \ \ � / • � I I \ f f / / ) / I , f POST -DEVELOPMENT LAND COVER: � Z_ `\ \ , I I I 1 1 I I I I l\� \\ , \ 1 / _ _ , - ' 1\ , ►/, �• I III \ I V II I 1 / / \I \ \ , / , 11 ' (Y 1 t I \ t ! - \ I 0.00 AC FORESTED/OPEN SPACE ' ^ C7 I , / V , _ 1 0.27 AC TURF 0.23 AC IMPERVIOUS c11/11 I \ \ \ ! ,' _ \<<\\♦\;,, -- I \\ // y \\- \ , I , I I I 1, I I I I I I ,' 1 , ' , / \ 1 I � � Z 1 II \ \ \ , �y1 ! , Il I ` \\ \ 1 \ '1� <\ \\\ `\ \ //s / \ / , l / I r I 1 I ,' \I \\ I I REQUIRED REMOVAL: THE 0.40 LBS/YR REQUIRED REMOVAL WILL BE SATISFIED BY PURCHASING NUTRIENT Z 1 I J I / f I is I 1 �' I I I � J I CREDITS. TO BE PURCHASED FROM A DEQ APPROVED CREDIT BANK IN ACCORDANCE WITH LIS CODE OF F / \,// _` \ . 1 \ -\ 1 I0 U U a \� ' `� II \ ! ll I1 / \ \� I U 0 \ \ , _ / , VIRGINIA 62.1-44.15:35. 1 I %, 1+\ ,11tI W �l \ I I\ \ \ %111f I I-___= \\�1\ \ ! /I �pNl� 1 I,r \\ \\\ I I ` <� �/i i'--� N. f f /(II / I l /1\, / I J/ / �I� W w __� __ ; = r , !II WATER QUANTITY CALCULATIONS: Q m Iltf, -_-- _ \ \ Q w f I I I ll 1 1 1 1 `\\\ "`< \\ - i / /�_ - I ~- \ ` < I 1 I I + / , / , \ I // / /, I CHANNEL PROTECTION (ENERGY BALANCE): /� / / rr / / F- V 1 _ I I I l l I / / l \ 1 l l ! l l (� Q U Q /J, (3 QDEVELOPED �( O'90*(QPRE-DEVELOPED�RVPRE-DEVELOPED)/RVDEVELOPED)+ON SITE OUTSIDE LOD - UNDETAINED LOD 7 I / f o I l \ 1 L / I 1 1 f /' / /\ \ 1 \\♦\\`\ I 111 I 1 \ 11__ ,',/ \ \ I / I1 I I I / I / ,1 / l \ / f I 1 / 1I O U) Q 1 \ _ _ _ _ - / / \ / ' I I / / ' l c OK 0.37 CFS <_ 0.90`(0.32 CFS`0.018 AC-FT)/(0.045 AC -FT) + 0.40 -0.12 = 0.40 CFS I 1 ! / <\ 1 1 1 \♦\\`\ I\ I I \, 11 l `�---__`\\ -�/'// / 1� I`\ , / / +< \ \ \ 11 \r\ (dl I 11r1r I / I if 11 / I I o LL II'1 1 / / /_'1\\\\\\ \\\\\\\1\ \\\b\\\\�\ ,, \\\ 1 \ 1 I I / !l!!/I 1 If/ \ I /1 U IIIr FLOOD PROTECTION: Lw 1 I♦\ U f ♦ \ \ \ FOR THIS PROJECT, THERE IS CURRENTLY AN EXISTING STORM SYSTEM AT MONTICELLO HIGH U Q I, I I I / / / \ \ \ \\ \ \ \ \ \ \ \ \ \ \ \ \`�/, \< / I I I 1 I / / / I I 1 / Ill I I l l I , 1♦ \ \ \ - \ b� \ 1 1 \I \ \I 1 `\ \\ \ \\ ' / \\ \ `, t I t + I '// It ! I + I , I SCHOOL THAT CAPTURES THE EXISTING FLOW FROM THE PROJECT AREA. THIS SYSTEM WILL BE l j // / , / ,' 8 t111 \\ tAst \ \ - ` \ \ \ 1 \\ 1 , 1 t 1 \ ` / - , ' ` \ \ _ _ - / //I I, l 1 l \ /' / 1 (/ / ' 1 I r , , 11 I / ! / I I , II I I ADEQUATE FOR THE FLOW FROM THE PROPOSED CONDITION. THE EXISTING STORM SYSTEM OUTLETS = m / / / o I I I I INTO A CONCRETE CHANNEL WHICH LEADS TO A PLUNGE POOL. THE PLUNGE POOL OUTFALLS TO A !1I I I / / / ! I I f1 I I I DITCH WHICH RUNS DOWN TO AN EXISTING POND. THE TOTAL DRAINAGE AREA TO THE POND IS O / 1 , \ 1 I _ / / I r f I , , AROUND 177 ACRES. THE PROJECTS LIMITS OF DISTURBANCE IS ESTIMATED TO BE 0.85 ACRES. it, I 11\ `\ \ \ \ \\ \\ \ 1111 1 \ 1 111 {i , ,�III, \ \ \ \ \ < , / / I I I / I + I o z r I \ \ I - � - THEREFORE, THE SITE'S CONTRIBUTING DRAINAGE AREA IS EQUAL TO LESS THAN 1 /o OF THE TOTAL \ \ I 1 1 I I 1 { _ _ _ , , I \ \ , / / , I 1 \ / I ' l I I I I ' 1 DRAINAGE AREA. THIS SATISFIES THE LIMITS OF ANALYSIS REQUIREMENT FOR FLOOD PROTECTION. I ( t \ I \ \ ` \ \ < \ \ 1 I l I t ' ' _ ` /' 1 \ 1 \ \ \ \ / /\ < l I ` ` ` \ I \ 1 I 1 ` ` I I + I 1 I r CHANNEL PROTECTION REQUIREMENTS ARE SATISFIED PER 9VAC25-870-66. FLOOD PROTECTION IS U \ \ l { \ I / I , \ \ \ \ \ I, 1 t, I I ` \, _ - _ 4 \ l l _ \ III, , I 1 ` 1 \ \ \ I _ _" ! I I l I \ \ - _ _ , _ SATISFIES PER 9VAC25-870-66 SECTION C PART 3.0 w J , \ 1 / , N \ _ _ _ \ / I f \ \ \ f \ \ \ / 1 I 1 / / / 1 fY IlrN� ♦ f I \ ♦ Q�, �1111 \'// ,////!I!I ~�W 11\t f ` \ I/\ ` \ \ II \ �_/!I < I 1 r 1 1 \ / 1 1 \ / // //, II fb N. / / I ` \ \ I I \ 1 l I \ 00 1 r' / I \ r / / / l,l/ // \� �` , \ 'v \ `\` \ I I I ` � ' I / I 1 1 I r \ \ \ \ \ \ _ / J / , p \ // I ' , , , , / / / I \f(Ir /I♦ I♦ \I I I I ='\\ if f , , [Illlll \ I , if I 1 IOB NO. it tv /' / ,' 44694.005 # \ - - - - - 1 \` / /i 1 , I 1/ ,' / \ \ ` \ \ \ ,. / / 1 1 /SCALE, f f/50i / / , / / SHEET NO. ••.> .r I \ ♦ ll // / / /� '- r � r, I � /, r, I, / / / \ \ \ \ \ \ , � \ \ / / / , 0 // fl �1501 II 11 f 30Q' / C6. 0 / ! I D£Q Virginia RunoffReduction Method Re -Development Compliance Spreadsheet -Version 3.0 2o11 aMP Standards and specifications @ 2033 Draft amp standards and specifitafiow Project Name: Monticello HS Modular r« Date: 5/10/2021 ` Linear Development Project? No Site Information Post -Development Project (Treatment Volume and Loads) Enter Total Disturbed Area (acres) 0.50 Pre-ReDevelODMent Land Cover facresl A Soils B Su ih C Soils D Soils Totals Forest/OpenSpaae Iaresl- undisturbed Q.(q IYesnjopen so" hbreed Turf 1a 1-disturbed graded 1s yard3ar dhes Lid lobe 0.49 0-49 Impervias Cover iaae$ 001 0.01 0.50 Post-Develooment Land Cover Iacresi A Seib B sDb C sas D Soijs Totab Fprmt/Open Spaue tat esl- undisturbed, [_•fled f arc's4 me n spew or reforested Q.OD f b [o®ed Turf jaa f disturbed, graded 1 x lads a• ache: Lu rf Labe 027 427 hnpeaviaa Cover taxes) 0.23 OL23 Area Clledt OiL I OK. OK.DK Q90 Constants An;r�:r. 0.ai dal l (indues) 43 iTarget"rdal I Evert I inchc 31 1DO Total Phosphors{TPI EMCIrrC-,nl 026 Told NliuogeniTNICMCin'silu Im TaTetTFL-d itb/acre/ rl OAl g {minas curreGian fanurl 090 Runoff Coefficients IR0 data inp ut ce Its co nsta nl values cak oration sells Ch eck: SMPDesign Specifications List: 2013 Draft Stds & Specs Linear project? Flo Land cover areas entered correctly? r/ Tatd disturbed area entered? &sob Csoib 0soas Fores4''DPen 51•xe .:: Q03 Q04 0.05 Managed Turf.li Q20 Q22 Q25 Imperviouscwff GAS 1 Q95 Q95 Q95 Lard cover Srremary-Pre Pre-Ik Develnprry t Listed Adjusted' kaesp'ow-M sun biller iacrell QDQ GAG Vkighted Rviforestl 0110 0.00 %Forest u^'S 0% Managed Turf Caver{aoesl OA9 Q.27 Weighted Mtuail 1320 0.20 %Managed Turf 99% 9G% brpervio s C0ler{a0 !31 0D1 ".(A Idiinperviausl 0.95 '3.95 %Impervious 24 _.. Total Site Area iaaesl OSO 0.28 Site Rv 012 OL23 TreatnTentVolume and Nutrient Load R re- Re Oe ve bprtre n ti T e atnx ra t Y' d urx 1aae ftl 0.0090 CAC53 Prr Re Deve loww nt T watme nt Vd orate larbicfeetl 390 231 Pre Re Dmvloprrwnt TP Load Ilb/vr1 0.25 0.14 rc R:.rr:•.cbp w rn TP n:.d p= :,- .. jn k7zcrc I•rl OIa 052 Baselirie TP Load Ilb,j'rl !DAl UaRcMr a Dhat V pre red3•aapnlSlt arm, acmdrng pal'a5.0 Ian] prapl;af tar now.mPena..... carer) 'Adjusted Lund Craver &unvrwy: Pre ReDeveloprr. Jondcavrrn,inu%Ferviwsfiord rover ()roes t/opensprretr rrrproged tLJ/j oCrerLJe proposed far new.vrrpervialus cover. Adjusted [odd areu¢ is eerrpi tent with Post-ReDtvebpm. errt aaeege (rmhus areope of re wimnvvipus mlrrf. .:.'�.mn 1 shows Jmd reductan requricment for new irpervious mve� 1lrascd on arrrlrprrsenl trod limit, a4l Jbslocm1yea'l. LD-229 STORM SEWER DESIGN COMPUTATIONS STORM FREQUENCY 10 Land Craver 5 um mm y Past lFwiIJ) tsar Corer Sulmlary-Awl Lard Cover Surnwnwy4w t Past fk Dev. & New Impewims Ntrsl A101velePneM Post-Dewlopment New Irtgrerldaus Fu:34"Jue•n Saa__ Forest/�n� r].Q0 QOD Corer acres) Corer ayes Vkighted Av{iosestl 0.00 Weii0ted Arlflresit O.F16 %Forest 0°: %Forest 0% Managed Tlaf Ca ,e, Managed Turf Cover {acres[ ].27 {acrcsl Q27 NewI mpcsl•: xr: C _-:". Weighted Flu {turd 0.20 Weighted &Iturfl Q20 %Mmraged Turd 541)1 %Manned Turf %% impervious Cove ReDev. l rperviom iaaesl 0.23 Craer iaaesl QOS t•ural C21 2.95 Rllimpewimal Q.% Rviin'4aviaas4 OL95 %Impervious 4G% %kpenipos 4% TOW ReDev. Ste Area Final Ste Anoaiacreel 0.50 Q28 t arse Fn! Post Dev Ste Fb 0.55 Renew Ste Rv O•n Treatment Volume and Nutrient Load Rnal Post- Partite Ueve bpment IEst-0evdtpmera Developmmt OD227 Treatmew urge ODO53 TreatnmtVotume Q0174 Treatme ntYdurrte lane ftl lacmftl laoe ftl Final Past- Postite Delilopment Rost-0D velopnrert Developmmt 919 Trcatnx ntVd one 231 Tree event Valunx 759 Treatment 4'd ume imbicfeetl Icubk feet[ l orbit keti Final Pcri Post-te Oewle)Mw t Dmebprrtent TP 0.52 load {TPl 014 Pot -Development TP amLoad 1by' Load I Ib/yri I l b/v rl Pil;t IV`Uprdopmar:'' -.+n: I.xa Yazd m w re am bar' acrcl rrl �lweMrl I ache' Prc 10% lief3e.ebpment Laxll TP Load Reduction TP Lord Reduction Requ fired for Required for New Redeveloped Arca 0.01 Impervious Area 0 b/v ri Ib/vrl TP Load Reduction Required i Ibfyrl I (140 PROJECT: Monticello ModulerAddition LOCATK)N: Charlottesville COUNTY: Charlottesville NOAA STATION: a •o r t l r 1 1 . 1 . ®IIIIIIIIIIIII�®II���®■� �■ 1 III•��®IIIIIIIIIIIII�IIIIIIIIIIIII� IIIIIIIIIIIII,� , , ---■■■�MENOMINEE 1 1 1 1 M = ire IIIIIIIIIIIC�r_-� --�C 1 1 1 1 ----- ----- -i-- -ate- -rrrrrrrr'--�� A•r��� -IIIIIIIIIIIIIIII•a�--- -i -----rrrrrrr�I I IX 111 1 1 1 a a • • • • o •e 1. r r• - • • 1 1 11 1 1 ---------- - ���----��- rrrrrrr� ' rrrrrrrr�rrrrrrrr�rrrrrrrr�-rrrrrrr�rrrrrrr� rrrrrrr�rrrrrrr�rrrrrrrrurrrrrrrrr�rrrrrrr��rrrrrrr� a�aaaaaa�aaaaaa�aaaaaa�aaaaaaw al_ aaaaa�aaaaaaw aaaaaa�aaaaaa�•_ rrrrrrr� --- ---- aaaaaa��- aaaaaa�aaaaaaw-� rrrrrrr� aaaaaaaalaaaaaaaalaaaaaaaal aaaaaaaal aaaaaaaalaaaaaaaali_ aaaaaaaal aaaaaaaalaaaaaaaalaaaaaaaal�■�������� Elm 1 • t Designed by: A. kisbee Checked by: J. Slrcwalter UNITS ENGLI5H PIPE NO FROM POIN TOPOIN7 DRe1IN. ?RE -A. 4' .acre -3 RUNOFF COEFF. .'CM CA TOTAL INLII TIME Minutes R_4JN F_41I, InHr .8 RUNOFF INL'ERT EIEtATION IENGT ofpip -3 FL ll SLOPE FL:Ft. (13) SIZE MLOr SpanRrej IrL (14 SHIM NtJ� -SI2ipe Cwacih. CFS 15 Friction Slope Ft:Ft NORMAL FLOW, FLOU TIME Sec 1+ REMARKS 1 INCRErACC'"UhM 5 UL4TED lateral CFS TotalQ CFS r9 UPPER END (14) LOAEI? END (11 I?Pnef Fktc•dr FL Am of F10tc•Alt wt Hm Ft Vn FLSQC `1 Ent Ft REFERENCE, STA REFEPX-NCE a STA 1 Existire19'ODtfall Ex. 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PLAN VIEW WATER OUANTITY CALCULATIONS DRAINAGE AREA ANALYSIS (PRE -DEVELOPMENT) EX LIMITS OF DISTURBANCE AREA = 0.50 ACRES 0.03 ACRES (IMPERVIOUS) 0.47 ACRES (MANAGED TURF) 0.00 ACRES (WOODS) Tc = 5 MIN CN=63 Q (CFS) V (AC -FT) 1 YEAR 0.32 0.018 2 YEAR 0.60 10 YEAR 1.60 EX DRAINAGE AREA ON PROPERTY OUTSIDE LOD ADDL ONSITE AREA TO YARD INLET AREA = 1.07 ACRES 0.00 ACRES (IMPERVIOUS) 1.07 ACRES (MANAGED TURF) 0.00 ACRES (WOODS) Tc = 10 MIN CN=61 Q (CFS) 1 YEAR 0.38 2 YEAR 0.83 10 YEAR 2.57 DRAINAGE AREA ANALYSIS (POST -DEVELOPMENT) PROPOSED LIMITS OF DISTURBANCE AREA = 0.50 ACRES 0.23 ACRES (IMPERVIOUS) 0.27 ACRES (MANAGED TURF) 0.00 ACRES (WOODS) Tc= 5 MIN CN=78 Q (CFS) V (AC -FT) 1 YEAR 0.99 0.045 2 YEAR 1.38 10 YEAR 2.68 PROPOSED LIMITS CAPTURED IN SWALE AREA = 0.45 ACRES 0.20 ACRES (IMPERVIOUS) 0.25 ACRES (MANAGED TURF) 0.00 ACRES (WOODS) Tc = 5 MIN CN=77 EXISTING INLET TOP Q (CFS) NEIR WALL SURROUNDING 1 YEAR 0.84 XISTING INLET 2 YEAR 1.20 10 YEAR 2.35 PROPOSED UNDETAINED LIMITS OF DISTURBANCE AREA = 0.05 ACRES 0.03 ACRES (IMPERVIOUS) 0.02 ACRES (MANAGED TURF) 0.00 ACRES (WOODS) Tc= 5 MIN CN=83 Q (CFS) 1 YEAR 0.12 2 YEAR 0.16 10 YEAR 0.30 ....\LTH OR it U\.%TIL-N M. SHOW..kLTER y I.Ic. No. 04U_057IS] 05/10/2021 �ozz 0NA1 Gt`G` Ln rr Z) O L9 L9 F W U Q ef O U) > O Y Z O CL U U ui W Z O > W INI DATE 0511012021 DRAWN BY YT DESIGNED BY AM CHECKED BY IS SCALE 1"=20' 0 �.0 LL VJ U 0 2 0 J J W U z 0 5M 3OB NO. 694.0 SHEET NO. C6.1 LOD AREA CONTRIBUTING TO SWALE INFLOW HYDROGRAPHS OF SWALE TOTAL DRAINAGE AREA rl S {1� M. SHOW:�LTLR v I.r:. No.0402057151 '�+� 05/10/2021 2 ssl�/ V A I @-�`G� M E O p N lJ N C >E W N E a o 3 0 LL - w O io Q j U m Z m O z H a U 30�Q to LL W � = U O c ^ Ln 0 N i Lu M Lu d � W J VJ vi 0 O x (7 0 O K 2 0 w w w F_ U 1111 Q Z O U) DATE 0511012021 Pond No. 1 -Swale .Stdsege 143 a µyd"m,,MEAe�ulonWAWpCmk®Cml 3e®20190y Aula .Inc. vM20 O } DRAWN BY YT • DESIGNED BY • AM • CHECKED BY JS • • SCALE 1"=20' • • • Slope I%) 0_0D 0.00 0.00 tire Q. O OQ cl�z I--1 OUTFLOW HYDROGRAPHS OF SWALE ROUTINGS U o z U w O G/' � II 2 w J m J Q u U D�a ip . U 0 O ' O (%� U `' • U % 2moc 0 O a J U) J 0 U 0 Ww J UOf Q �� w m J za O JOB NO. 4694.005 SHEET NO. C6.2 Hydrograph Report .• r • 11 • A 1 1 1 J raPmPmw Erv. sls90 Front View NITS -Looking Downstream ofl on tcwao:asm oo9w Cn1YA-9w.. S1zi0 12.00 ft Bmntl uestea weir WeirA-Ekv. sta50 Sao singe lttl � anmm ucena Exv. �fow - z-y. -1-rr InMx hyEm3rppfl = 5. CwnNne-ComOlnep PrapoaeO FloWfo YeN Inlet Project: Swale Storage Routings.gpw Monday, 0511012021 Hydraflow, Hydrographs Extension for Aulodesk®Civil 3D® 2019 by Autodesk. Inc. v2020 Hyd. No. 7 Swale Storage Routing Hydrograph type =Reservoir Peak discharge Storm frequency = 1 yrs Time to peak Time interval = 2 min Hyd. volume Inflow hyd. No. = 5 -Combined Proposed Flow ttottGerfflalc#ion Reservoir name =Swale Storage Max. Storage Storage Indication method used. Swale Storage Routing 0 (cfs) Hyd. No. 7 -- 1 Year Monday, 05 / 1012021 = 0.367 cfs = 12.20 hrs = 0.074 acft = 518.49 ft = 0.013 acft 0 (cfs) 2.00 2.00 1.00- 1.00 0.00 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 - Hyd No. 7 -Hyd No. 5 ®Total storage used = 0.013 acft Time (hrs) Hydrograph Report Hydratlow, Hydrographs Extension for Autodesk®Civil 3D®2019 by Autodesk, Inc. v2020 Monday, 05 / 10 / 2021 Hyd. No. 5 Combined Proposed Flow to Yard Inlet Hydrograph type =Combine Peak discharge = 1.080 cfs Storm frequency = 1 yrs Time to peak = 11.97 hrs Time interval = 2 min Hyd. volume = 0.074 acft Inflow hyds. = 3, 4 Contrib. drain. area = 1.520 ac Combined Proposed Flow to Yard Inlet � (�) Hyd. No. 5 - 1 Year � (�) 2.00 2.00 1.00 1.00 0.00 0.00 0 2 4 6 8 10 ,2 14 16 18 20 22 24 26 - Hyd No. 5 - Hyd No. 3 - Hyd No. 4 Time (hrs) Pond Report Hydraflow Hydrographs Extension for Autodesk®Civil 3D®2019 by Autodesk, Inc. v2020 Monday, 05 / 10 / 2021 Pond No. 1 -Swale Storage Pond Data Pond storage is based on user -defined values. Stage I Storage Table Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (acft) Total storage (acft) 0.00 517.70 n/a 0.000 0.000 0.30 518.00 Na O.00t 0.001 1.30 519.OD Na 0.024 0.025 Culvert /Orifice Structures Weir Structures IAl Iel [G1 lP�r1 tAl [al [C1 IDl Rise (in) = 3.00 0.00 0.00 DDO Crest Len (tf) = 12.00 Inactive 0.00 OAO Span (in) =4.50 O.OD O.W O.OD Crest El. (it) =518.50 0.00 0.00 0.00 No. Barrels = 1 0 0 0 WeirGcetr. = 9.33 ?.60 3.33 3.33 Invert El. (ft) = 517.70 0.00 0.00 0.00 Weir Type =Broad Broad - - Length (ft) = O.OD 0.00 0.00 0.00 Multi -Stage = Itlio No No No N-Value = .013 .013 .013 Na Orifice Coeff. = 0.80 0.80 D.80 OBO ExfiL(iNhr) = 0.000 (by Wet area) Multi -Stage = Na No No No TW Elev. (ty = 0.00 ao� WvwtlOrlTixoYb®meaegaduMer imerfGwlaui0(rG®� Wali�stlstlmtl krarifce wnaiVonelblantleuMreryence Isl. Hydrograph Report Hydraflow Hydrographs Extension far Autodesk®Civil 3D®20t9 by Autodesk, Inc. v2020 Monday, OS / 10 / 2021 Hyd. No. 7 Swale Storage Routing Hydrograph type = Reservoir Peak discharge = 1.592 cfs Storm frequency = 2 yrs Time to peak = 12.03 hrs Time interval = 2 min Hyd. volume = 0.115 acft Inflow hyd. No. = 5 -Combined Proposed Flow ttsld.rffllettetion = 518.60 ft Reservoir name =Swale Storage Max. Storage = 0.015 acft Storage Indication method used. Swale Storage Routing Q (cfs) Hyd. No. 7 - 2 Year 4 (cfs) 2.00 2.00 1.00 1.00 o.00 o.00 0 2 4 6 8 10 12 ,4 16 18 20 22 24 26 - Hyd No. 7 -Hyd No. 5 � Total storage used Time (hrs) = 0.015 acft Hydrograph Report Hydraflow Hydrographs Extension for Autodesk®Civil 3D®2019 by Autodesk, Inc. v2020 Hyd. No. 5 Combined Proposed Flow to Yard Inlet Hydrograph type =Combine Peak discharge Storm frequency = 2 yrs Time to peak Time interval = 2 min Hyd. volume Inflow hyds. = 3, 4 Contdb. drain. area Monday, 05 / 10 / 2021 = 1.820 cfs = 11.97 hrs = 0.115 acft = 1.520 ac Combined Proposed Flow to Yard Inlet � (�) Hyd. No. 5 - 2 Year � (�) 2.00 2.00 1.00 1.00 0.00 0.00 0 2 4 6 8 10 ,2 14 16 18 20 22 24 26 Time (hrs) - Hyd No. 5 -Hyd No. 3 -Hyd No. 4 Stage (ft) Stage /Discharge Elev (ft) z.00 s1s.7o 1.80 sls.so 1.60 519.30 1.40 519.10 1.20 518.90 1.00 516.70 0.80 518.50 0.80 518.30 0.40 518.10 0.20 517.90 0.00 517.70 0.00 2.00 4.Iq 6.0o a.0o 10.00 12.00 14.00 16.00 Total4 Discharge (cis) Hydrograph Report Hydraflow Hydrographs Extension for Autodesk®Civil 3D®2019 by Autodesk, Irrc. v2020 Hyd. No. 7 Swale Storage Routing Hydrograph type = Reservoir Peak discharge Storm frequency = 10 yrs Time to peak Time interval = 2 min Hyd. volume Inflow hyd. No. = 5 -Combined Proposed Flow tblef.rffl�ion Reservoir name =Swale Storage Max. Storage Monday, 05 / = 4.470 cfs = 11.97 hrs = 0.268 acft = 518.72 ft = 0.018 acft 10 / 2021 Storage Indication method used. Q (cfs) 5.00 Swale Storage Routing Hyd. No. 7 -- 10 Year Q (cfs) 5.00 4.00 4.00 3.00 3.00 2.00 2.00 1.OD 1.00 o.00 o.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 - Hyd No. 7 -Hyd NO.5 � Total storage used = 0.018 acft Time (hrs) 1 - 1 1 / Stage (ft) Stage /Storage Elev (ft) z.ao s1s.7o 1.ao sls.so 1.60 519.30 1.40 519.10 1.20 1.00 516.90 518.70 0.80 0.80 51 B.50 518.30 0.40 518.10 0.20 517.90 D.00 517.70 0.000 0.003 0.005 0.006 0.010 0.013 0.015 0.018 0.020 0.023 0.025 Storage Storage (acft) Hydrograph Report Hydraflow Hydrographs Extension for Autodesk®Civi13D®2019 by Autodesk, Ix. v2020 Hyd. No. 7 Swale Storage Routing Hydrograph type = Reservoir Peak discharge Storm frequency = 100 yrs Time to peak Time interval = 2 min Hyd. volume Inflow hyd. No. = 5 -Combined Proposed Flow ttal�rfflaaletion Reservoir name =Swale Storage Max. Storage Monday, 05 / 10 / 2021 = 10.52 cfs = 11.97 hrs = 0.621 acft = 518.91 ft = 0.023 acft Storage Indication method used. 0 (cfs) 12.00 Swale Storage Routing Hyd. No. 7 -100 Year 4 (cfs) 12.00 10.00 10.00 8.00 8.00 6.00 6.00 4.00 4.00 2.00 2.00 o.00 o.00 0 2 4 6 B 10 12 ,4 16 18 20 22 24 26 - Hyd No. 7 -Hyd No. 5 ®Total storage used = 0.023 acft Time (hrs)