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HomeMy WebLinkAboutSDP200900036 Plan - Approved 2009-06-02E IC C 1 Drawing Index General T1 COVER SHEET T1A COVER SHEET (REFERENCE ONLY) Civil C1 NOTES AND DETAILS (REFERENCE ONLY) CiA GENERAL NOTES AND E&S NOTES CIO STADIUM LAYOUT AND UTILITY PLAN (REFERENCE ONLY) C11 STADIUM GRADING AND DRAINAGE PLAN (REFERENCE ONLY) CI IA EXISTING CONDITIONS, E&S CONTROL PLAN AND LEGEND C118 SITE PLAN C24 TRACK AND FIELD DETAILS (REFERENCE ONLY) C24A E&S DETAILS ROUTE 53 O /� SITE Ivo CO LOCATION MAP NDT TO WALE Contacts: OWNER: Albemarle County Public Schools A Office of Facilities Development Joe Werres Project Manager/Inspector 401 McIntire Road Room 222 Charlottesville, Virginia 22902 PH. (434) 872-4501 FAX (434) 972-4091 jwemesOalbemarle.org ENGINEER: Dewberry & Davis, Inc. Robert "Skip" Notte, P.E. 4180 Innslake Drive Glen Allen, Virginia 23080 PH. (804) 290-7957 FAX (804) 290-7928 snotteOdewberry.com CONTRACTOR: General Sports Venue Timothy Jordan 7702 Stuart Hall Road Richmond, VA 23229 PH. (804) 928-7444 FAX (804) 282-8075 tjordonOgsvenue oom 2 3 it 5 ALBEMARLE COUNTY PUBLIC SCHOOLS MONTICELLO HIGH SCHOOL STADIUM TURF REPLACEMENT MINOR SITE PLAN AMENDMENT AND EROSION AND SEDIMENT CONTROL PLAN SITE INFORMATION TAX MAP AND PORTIONS OF PARCEL NUMBER: 91-2 & 91-2C ZONING: R15 RESIDENTIAL MAGISTERIAL DISTRICT: SCOTTSVILLE COUNTY/STATE: ALBEMARLE/VA AREA USE: HIGH SCHOOL ATHLETIC FIELD TOTAL DISTURBED AREA: 1.82 ACRES (79,349 SF) TOTAL TURF AREA: 1.74 ACRES (75,697 SF) APPROVALS ALBEMARLE COUNTY DEPARTMENT OF COMMUNITY DEVELOPMENT DEPARTMENT OF ENGINEERING DEPARTMENT OF ZONING DEPARTMENT OF INSPECTIONS— FIRE OFFICIAL ALBEMARLE COUNTY SERVICE AUTHORITY VIRGINIA DEPARTMENT OF HEALTH VIRGINIA DEPARTMENT OF TRANSPORTATION 1NDR AincTAn"L-tom Submittal Type Reviewed and Approved by the Community Development Department Date Oh 10,4) 09 File# SBF AP9 - 5�o Signature CHARLOTTESVILLE, VIRGINIA y'\ /kj � , ✓ r/ �� ` � I I l / �) � l/ // / � I � � / it �%//� l/ // / r'-� r / „ //—7iU//r V, VICINITY i VICINITY MAP SM ?82W REGISTERED LAND DISTURBER: Robert Edward Putze ,Certificate License #29601 SUBMITTAL SET NUMBER is PRELIMINARY ❑ CONSTRUCTION I Description ■ APPROVAL O REVISION Is BIDDING ❑ RECORD SEK .soP- aoo y- e 3l0 Dewberry & Davis, Inc. 4180 Inneleke D" Glen Men, VkUHS 23080 PHONE 90,Ta07957 FAX 80,.290.79M �. .� F -Z J� V�ZO z 0 m � Z � O W LUII; �0�� J ZC/)crw=ow U) 0azoo =�Q CC WOZZ x a -JJ 10 wUwO m ZUw aOgp Cwz cr- Q SEAL JBERT S. Nt71TE YT7�j 5y_n I No. I DATE I BY I Description REVISIONS DRAWN BY SEK RSN APPROVED BY KWW CHECKED BY MAY 2009 DATE COVER SHEET PROJECT NO. 50020623 SHEET NO. T1 1OF10 ( 9WSM COAMWACIM NOTES 1. PRIOR TO ANY CONSTRUCTION WITHIN ANY EXIS77NC PUBLIC RIGHT-OF-WAY, INCLUDING CONNECTION TO ANY EXISTING ROAD, A PERMIT SHALL Be OBTAINED FROM THE VIRGINIA DEPARTMENT OP 7RANSPORTATION (MOT). 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 PAVING AND DRAINAGE RELATED MATERIALS AND CONSTRICTION METHODS SHALL CONFORM TO CURRENT SPECIFICATIONS AND STANDARDS OF MOT UNLESS 07HERWfSE NOTED. 3 EROSION AND SILTATION CONTROL MEASURES SHALL BE PROVIDED IN ACCORDANCE WIN THE APPROVED EROSION CONTROL PLAN AND SHALL BE INSTALLED PRIOR TO ANY CLEARING, GRADING, OR OTHER CONSTRUCTION. 4. ALL SLOPES AND DISTURBED AREAS ARE TO BE FERTILIZED. SEEDED AND MULCHED. THE MAXIMUM ALLOWABLE SLOPE (EXCEPT FOR CRITICAL SLOPES) IS 2.I (HORIZONTAL VERTICAL). WERE REASONABLY OBTAINABLE, LESSER SLOPES OF 4-1 OR BETTER ARE TO BE ACHIEVED. 5. PAVED, RIP -RAP OR STABILIZATION MAT LINED DITCH MAY BE REQUIRED WHEN IN THE OPINION OF THE ALBEMARLE COUNTY DIRECTOR OF ENGINEERING OR 7HE DIRECTOR'S DESIGNEE, IT IS DEEMED NECESSARY IN ORDER TO STABILIZE A DRAINAGE CHANNEL 6. ALL TRAFFIC CONTROL SIGNS SHALL CONFORM WITH THE MANUAL ON UNIFORM TRAFFIC CONTROL DEVICES 7. UNLESS OTHERWISE N070 ALL CONCRETE PIPES SHALL BE REINFORCED CONCRETE' PIPE - CLASS Ill. 8. ALL EXCAVATION FOR UNDERGROUND PIPE INSTALLATION MUST COMPLY WITH OSHA STANDARDS FOR THE CONSTRUCTION INDUS7RY (29 CFR PARG 1926). GENS AL WAZER AAD SEM CA�[XTAOYV3 1. WORK SHALL BE SUB,ECT TO INSPECTION BY ALBEMARLE COUNTY SEANCE AUTHORITY INSPECTORS THE CONTRACTOR WILL BE RESPONSIBLE FOR NOTIFYING THE PROPER SERVICE AUTHORITY OMCIALS AT THE START OF THE WORK. 2. THE LOCATION OF EMS77NG U7IU71ES ACROSS THE UNE OF THE PROPOSED WORK ARE NOT NECESSARILY SHOWN ON THE PLANS AND WHERE SHOWN, ARE ONLY APPROXIMATELY CORRECT. THE CONTRACTOR SHALL ON HIS OWN INITIATIVE, LOCATE ALL UNDERGROUND LINES AND S7RUC7URES AS NECESSARY 3 ALL MATERIALS AND C0NS7RUC7?ON SHALL COMPLY WITH GENERAL WATER AND SEWER CONSTRUCTION SPEaRCARONS AS ADOPTED BY THE ALBEMARLE COUNTY SERVICE AUIHOR/TY ON JAN. 20, 1961, AMENDED JULY 11 1989. 4. DATUM FOR ALL ELEVATIONS SHOWN IS NATIONAL GEODETIC SURVEY, 5. THE CONTRACTOR SHALL BE RESPONSIBLE FOR NOTIFING 'II/SS UTIUTY (1-820-552-7001). 6. ALL WA7ER AND SEWER PIPES SHALL HAW A MINIMUM OF J FT. OF COVER MEASURED FROM TNF TOP OF PIPE, OVER THE CEN71FRUNE OF PIPE THIS INCLUDES ALL FIRE HYDRANT LINES SERVICE LATERALS AND WATERLINES ETC 7 20' WIDE EASEMENTS CENTERED ON THE PIPELINE AND APPURTENANCES SHALL BE DEDICATED TO THE ALBEMARLE COUNTY SEANCE AUTHORITY, EXCEPT WHERE THE UNE IS IN A PUBLIC ROAD RIGHT-OF-WAY OR AN ACCESS EASEMENT, IN WHICH CASE THE ACCESS EASEMENT SHALL ALSO BE DEDICATED AS A URUTY EASEMENT. 8. J' MIN. SEPARATION REQUIRED BETWEEN WATERLINE AND STORM SEWER CUL YEWS OR 6' SEPARATION WHEN WA IERLINE IS INSULATED. USE 1/2' THICK THERMA-CEL PIPE INSULATION IN J'X4' SHEETS AS MANUFACTURED BY NOMACA, INC OR EQUAL APPROVED BY ALBEMARLE COUNTY SERVICE AUTHORITY. INSULATION TO EXTEND 5' BEYOND CENTERUNE OF CULVERT IN B07H DIRECTIONS OR 5' BEYOND ENDS OF CULVERT MIEN PARALLEL 9. TOUCH READ METERS ARE BEING USED BY THE ALBEMARLE COUNTY SERVICE AUTHORITY. TO ACCOMODATE THESE METERS METER UDS WILL REQUIRE A 7-3/4' HOE TAPPED INTO THE CENTER OF ME LID. BUND TAPS OR PLUGS SHALL BE PROVIDED TO PREVENT DEBRIS FROM ENTERING THE BOX PRIOR TO MEIER INSTALLAROY. 10. ALL WA7ER AND SEINER APPURTENANCES ARE 70 BE LOCATED OUIS/0£ OF ROADSIDE DITCHES 11. CERTIFICATION THAT 95l COMPACTION /S OBTAINED SHALL BE PROVIDED FOR ALL FILL AREAS UNDER WATER AND SEWER LINES AND APPURTENANCES THIS CERTIFICATION SHALL BE SIGNED BY A PROFESSIONAL GEOLOGIST. THE CERTIFICATION SHALL STATE THE EXACT AREA TO WHICH THAT CER77F7CA77ON APPLES 12. VALVES ON DEADEND LINES SHALL BE RODDED TO PROVIDE ADEQUATE RESTRAINT FOR THE VALVE DURING A FUTURE EXTENSION OF THE UNE. 1. PM PLASTIC SEWER PIPE SHALL BE ASTM D-JO34 PSM SDR 35 MIN. REFER TO BEDDING DETAIL FOR PM SANITARY SEWER PIPE. 2 DUCTILE IRON SEWER PIPE SHALL BE ANSI/AWWA CI51 CLASS 52. REFER TO BEDDING DETAIL FOR D.I. SANITARY SEWER PIPE. J. DUCTILE IRON WATER UNE SHALL BE ANSI/AWWA C151 CLASS 52 FOR IY AND SMALLER, AND CUSS 51 FOR 16" AND LARGER. 4. COPPER WATER SERWCES SHALL BE TYPE K, DRAWN RISING. 5. PM PLASTIC WATER UNE J' AND SMALLER SHALL BE SCHEDULE 40. 6, CORRUGATED PLASTIC PIPE (SMOOTH -BORED) FOR ROOF DRAINS AND STORM SEWER SHALL BE ASTM F 405 OR AASH70 M 252 FOR f0' AND SMALLER AND ASTM F 667 OR AASHTO M 294 FOR 12' AND LARGER. REFER TO MOT SID. P8 -I FOR BEDDING DETAILS FOR CORRUGA7E0 PLASRC PIPE. 7 ALL CONCRETE PIPE SHALL BE CUSS III EXCEPT AS OTHERWISE INDICATED. REFER TO MOT SPECIFICATIONS. REFER TO MOT SID, PB -1 FOR BEDDING DETAILS 6i10" CO IRM nriiz s I. IT SHALL BE THE CONTRACTOR'S RESPONSYBIUTY TO INSPECT ALL EROSION CONTROL DEVICES PERIODICALLY AND AFTER EVERY ERODIBLE RAINFALL ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL BE MADE IMMEDIATELY, 2 NO DIS7URBED AREA WILL BE DENUDED FOR MORE THAN JO CALENDAR DAYS J ALL EROSION AND SILTATION MEASURES ARE TD BE PLACED PRIOR TO O7 AS THE FIRST STEP IN GRADING 4. ALL STORM AND SANITARY SEWER LINES NOT IN STREETS ARE TO BE MULCHED AND SEEDED IMMEDIATELY AFTER BACKFILLING NO MORE THAN 500 FEET OF TRENCH TO BE OPEN AT ONE TIME. 5. ELECTRIC POWER, TELEPHONE AND GAS SUPPLY 7RENCHES ARE TO BE CCWPACTED, SEEDED, AND MULCHED IMMEDIATELY AFTER BACKFILL. NO MORE THAN 500 FEET OF TRENCH TO BE OPEN AT ONE TIME. 6. ALL TEMPORARY EARTH BERMS; DIVERSIONS AND SILT DAMS ARE 70 BE MULCHED AND SEEDED FOR VEGETATIVE COVER IMMEDIATELY. STRAW OR HAY MULCH IS REWIRED. THE SAME APPLE'S TO ALL SOL STOCKPILES. 7. DURING CONSTRUCTION, ALL. STORM SEWER INLETS WILL BE PROTECTED BY SILT 7RAP5, MAINTAINED AND MODIFIED AS REQUIRED BY CONSTRUCTION PROGRESS. 8. ANY DISTURBED AREA NOT PAVED, SODDED OR BUILT UPON BY NOVEMBER let IS TO BE SEEDED ON THAT DATE WITH OUTS; ABRUZZI OR EQUIVALENT AND MULCHED WITH HAY OR STRAW MULCH. MODIFY, AS APPLICABLE; DEPENDING ON PROPOSED DME OF CONSMUCRON. 9. CERTAIN EROSION CONTROL METHODS AND/OR PROCEDURES SPECIFIED ON THESE PLANS MAY BE AT VARIANCE TO THE GENERAL CRITERIA PROVISIONS OF THE EROSION CONTROL ORDINANCE BY INCLUSION IN THIS PUN, THE ENGINEER HAS DETERMINED THAT THE METHODS SHOAT ARE MORE EFFFC77W MAN THE GENERAL CRITERIA. 10. IF, DURING CONSTRUCTION, ADDITIONAL EROSION CONTROL DEVICES ARE FOUND NECESSARY, THEY SHALL BE INSTALLED AS DIRECTED BY INF CONSTRUCTION ENGINEER FOR ALBEMARLE COUNTY. cat9 L AIi07E8 1. OWNERIDEVELOPER. THE SCHOOL BOARD OF ALBEMARLE COUNTY, VIRGINIA 401 MCIN77RE ROAD CHARLOTTESVILLE VA 22901-4596 C/O MR. AL REASER ALBEMARLE COUNTY PUBLIC SCHOOLS BUILDING SERVICES DEPARTMENT 2751 HYDRAULIC ROAD CHARLOTTESVILLE, VA 22901 PH. 0 (804) 97J-3677 FAX A (804) 973-9545 2 PROPOSED USE.. HIGH SCHOOL (1500 STUDENTS ULTIMATE CAPACITY) 1000 STUDENTS ARE PLANNED FOR THIS W77AL PHASE, J TAX MAP AND PARCEL NO.: PORTIONS OF PARCELS 91-2 AND 91-2C 4 ZONING R-15 PER ZMA 96-08, AND EC AND AIA 5 MAGISTERIAL DISTRICT- SCOTTSNLLE DISTRICT 6. BOUNDARY INFORMATION TAKEN FROM A PUT TITLED PLAT SHOWING DIWS7CN OF PARCEL 2 AND 2C SHEET 91 COUNTY TAX MAPS ALBE74ARLE COUNTY, VIRGINIA' PREPARED BY B. AUBREY HUFFMAN AND ASSOCIATES LID., DATED .NNE 19, 1995. 7 EVS77NO TOPOGRAPHY SHOWN IS FROM FIELD DATA GATHERED BY TIMMONS. VERTICAL DATUM IS BASED ON NGM29. B SITE AREA 107,026 ACRES (TOTAL) AREA FOR HIGH SCHOOL SITE - 66.7t AG AREA TO BE DEDICATED AS RIGHT-OF-WAY - 6.229 AC 9. THIS 97E IS NOT LOCATED WITHIN A RESERVOIR WATERSHED. 10. MAXIMUM HEIGHT OF STRUCTURES NOT TD EXCEED 58.5- (61' SID£ YARD SETBACK) 11. PARKING CALCULATIONS - REQUIRED FOR ULTIMATE DEVELOPMENT.' I 1x8 ROUGH SA NN TREATED PUNKS (UNPAINTED) �- 4x6 POSTS O 6' D.C. PLAN 2x4 2x6 j L' 'j 4x6 POSTS j • j :"LJJI ID' SQUARE ELEVA 77ON (TYMCAL) WOOD SCREENING FENCf NO SCALE R MOT 057, 06N OR 078 STONE BASE UNDER O/APB & GUTTER MUST BE CHECKED BY MOT PRIOR TO PAMNG AND/OR BACKRLUNG • THE BOTTOM OF THE CURB & GUTTER MIY BE CONSTRUCTED PARALLEL TO THE SLOPE OF SUBSURFACE COURSES PROVIDED A MINIMUM DEPTH OF 7- S MNNTNNED. VOOT STANDARD ROLL -FACE CURB NO SCALE 1500 STUDENTS X 1 SPACE\J STUDENTS - 500 SPACES DUMMY GROOVE REQUIRED FOR INITIAL DEVELOPMENT.- MIN 3000 CLNC 1000 STUDENTS X 1 SPACE\J STUDENTS • X" SPACES PROVIDED FOR ULTIMATE DEVELOPMENT. 654 SPACES (INCLUDING 14 HANDICAP ACCESSIBLE SPACES) PROVIDED FOR INITIAL DEVELOPMENT. 490 SPACES (INCLUDING 14 HANDICAP ACCESSIBLE SPACES) 40 BUS SPACES HAW BEEN PROIDED 12. IMPERVIOUS COVER CALCULATIONS• IMPERVIOUS COVER ADDED.• aI BUILDINGS 134,900 at PARKING AND DRIVES 256,600 aF. SIDEWALKS AND PATHS 64500 aE TRACK 42930 TOTAL IMPERVIOUS COVER: 499,930 13. NO FLOODWAY IS DELINEATED FOR THIS PROPERTY M THE FEMA FLOODWAY MAP FOR ALBEMARLE COUNTY. Aar' FD AN11107L� 1. ALL INDIVIDUAL BUILDING DOWN COlECTOR SYSTEM OR DIRECT 2. THE ROOF DRAIN COLLECTOR S POLYEIHYLEN£ PIPE (RANCOR SLOPE OF L04X J PIPES CONNECTING TO INDIIDU PIPES SHALL BE SIZED AS IND) 4. CLEANOUTS SHALL BE PROVIDE INE LOCAL BUILDING CODE CU CONNECTION. 5. CONNECTIONS INTO CONCRETE CONNECTORS 6. CONTRACTOR SHALL MAKE PRO EXIS77NG ROOF DRAINS DURING INFER AS SHOW NOTE' HOT -DIPPED GAL VAN2W ALL C0NS7RUC7KN TO BE PRESSURE TREATED, BOLTS W7H WASHERS ALL CONNECTIONS 70 BE GALVANIZED. X 10" RAILING 8' X 81 POST DETAIL AT POST r-8'-0' D.C. O.C-1 i i I Li Li 8' X B' POST'y X 70' RAILING PLAN NEW 77MBER GUARDRAIL DETAILS NO SCALE 4- TIPS 184 PAVING 1.5' O.D. GALVANIZED STEEL HANDRAILS AND POSTS O 1:12 4" DIAMETER STEEL PIPE FILLED WIN CONCRETE NO SCALE DIAMETER F007WO GRASS PAVERS (OR GRAVEL PAVERS) SUBGRADE 2- SS40 RPE (T)P.) -1 I--6' TO 1' GAP 1-5/8- SS40 PIPE J6' IN CONK `FINISHED GRADE (SLEEVED) (PROVIDE CHAIN AND PADLOCK) SWINGING GATE DETAIL NO SCALE INIERMEOAM SUPPORT (EQUALLY SPACED AT 5' O.C. MAX.) I. 4' CONCRETE WALK ON POROUS FILL EXTERIOR HANDICAP RAMP DETAIL (WITH RAILS) NO SCALE T-\\ 4'^7 R� 2- UNDLO( EROSION MAT I (OR APPROVED EQUAL) ANCHORED PER MANUFACTURER'S 6' RECOMMENDATIONS t PAVEMENT .I 4T p Qmo, Q SEED WITH A MIXTURE ` L • .. E` OF FESCUE ANDD CROW V£TOi MOT /67, 068 OR 076 STONE BASE UNDER CURB. MONOLITHIC CURB & GUTTER STONE STEEP SLOPE STABILIZATION DETAIL REQUIRED IN ALL AREAS INDICATED ON THE DRAWINGS AND ON ALL SLOPES OF 2: 1 OR GREATER NO SCALE TRENCH -x--x- EXISTING STORM SEWER G-- => = =0 STORM SEWER O---lb-� SANITARY SEWER DROP INLET & STRUCTURE NO. EXISTING WATER LINE CG -2 WATER UNE CG -6 VALVE 0- AUTO PARKING AREA ASPHALT PAVEMENT REDUCER i MEDIUM DUTY ASPHALT PAVEMENT PLUG HEAVY-DUTY ASPHALT PAVEMENT GRAVEL PAVEMENT CROSS GRASS PAVERS AND GRAVEL PAVERS (•a::',::".'•"i:' CONCRETE SEANCE AREA PAVEMENT 1.`'....�.:':'.�..'. CONCRETE SIDEWALK PAVEMENT FIRE HYDRANT (COMPLETE TO EXISTING 7REELNE INCLUDE ALL NECESSARY 0 ® EXISTING TREES - - -Ab- - EXISTING CONTOUR -Q0>- CONTOUR TC SPOT ELEVATION 2- SS40 RPE (T)P.) -1 I--6' TO 1' GAP 1-5/8- SS40 PIPE J6' IN CONK `FINISHED GRADE (SLEEVED) (PROVIDE CHAIN AND PADLOCK) SWINGING GATE DETAIL NO SCALE INIERMEOAM SUPPORT (EQUALLY SPACED AT 5' O.C. MAX.) I. 4' CONCRETE WALK ON POROUS FILL EXTERIOR HANDICAP RAMP DETAIL (WITH RAILS) NO SCALE T-\\ 4'^7 R� 2- UNDLO( EROSION MAT I (OR APPROVED EQUAL) ANCHORED PER MANUFACTURER'S 6' RECOMMENDATIONS t PAVEMENT .I 4T p Qmo, Q SEED WITH A MIXTURE ` L • .. E` OF FESCUE ANDD CROW V£TOi MOT /67, 068 OR 076 STONE BASE UNDER CURB. MONOLITHIC CURB & GUTTER STONE STEEP SLOPE STABILIZATION DETAIL REQUIRED IN ALL AREAS INDICATED ON THE DRAWINGS AND ON ALL SLOPES OF 2: 1 OR GREATER NO SCALE TRENCH -x--x- FENCE G-- => = =0 EXTSRNC SANITARY SEWER O---lb-� SANITARY SEWER - - - W- - EXISTING WATER LINE WATER UNE ------ VALVE 0- REDUCER i PLUG CROSS T II /EL FIRE HYDRANT (COMPLETE TO INCLUDE ALL NECESSARY ✓AL VES, BENDS AND PIPING) �.. • ". ". .% EXISTING WETLANDS LY STOP WON LC HANDICAP PARKING SIGN LV HANDICAP PARKING SON WITH 'VAN ACCESSIBLE' SIGN tt�1:1�11I�F.AE cG• r ASPHALTI: • EAVEMENT SECT70N NO SCALE I � ..•r..• _.•'_.• �.• _.ter. 8' 21 8 AGO?EGA 7E STONE t' r AUTO / NO SCALE 4.5" BM -2 817UMINOUS BASE WISUBGRADE 5' 21 8 AGGREGATE SWNE • : VY DUTY P: lZMEN T SEC //A NO SCALE MOT a. 4X4 6/6 WOVEN WIRE FABRIC SA�uNNMN r • r CONCREM7 SERVICE:i • SECT70N NO SCALE PAVEMENT SECRONS AS SHOWN, ARE AS RECOMMENDED BY EAR774TECH, AND ASSUME THE SUBBASE MATERIAL HAS A MIMMUM CBR VALUE OF 6.5. SECTIONS HAVE NOT BEEN DESIGNED IN CONJJNC71ON WITH ANY SOLS REPORT. FIELD CBR TEST RESULTS MAY REWIRE MODIFICATION OF THESE PAVEMENT SECTIONS. RANCORN NILONAN KRAUSE ONEZINSNI AreNltsatt ILE NIAW No. Rmoc OAIE UTILITY RECOW DR411nG8 DATE: 0-3/-90 ea SAM SCUTS aW 90 TIO IEW176ILK NA Ti061S(9 P71.H/lMON NOTES AND DETAILS S HOSTETLER DESIGNED BY G SHURE DRAIN BY NO SCALE SCALE J O /O U U) Z CD a _ Z I 0 O } J � W O U U _ W F- ry z O LLJm Q STAN #a 2-84A OE7AL NO 9FET QIf BGW/ T � 0 9FET W CC 3OF100 J.N. 16345 U. MINIMUM STANDARDS (CONTINUED, 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. 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. STABILIZATION MEASURES SHALL BE APPLIED TO EARTHEN STRUCTURES SUCH AS DAMS, DIKES AND DIVERSIONS IMMEDIATELY AFTER INSTALLATION. SEDIMENT TRAPS AND SEDIMENT BASINS SHALL BE DESIGNED AND CONSTRUCTED BASED UPON THE TOTAL DRAINAGE AREA TO BE SERVED BY THE TRAP OR BASIN. 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. 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. CUT AND FILL SLOPES SHALL BE DESIGNED AND CONSTRUCTED IN A MANNER THAT WILL MINIMIZE EROSION. SLOPES THAT ARE FOUND TO BE ERODING EXCESSIVELY WITHIN ONE YEAR OF PERMANENT STABILIZATION SHALL BE PROVIDED WITH ADDITIONAL SLOPE STABILIZING MEASURES UNTIL THE PROBLEM IS CORRECTED. CONCENTRATED RUNOFF SHALL NOT FLOW DOWN CUT OR FILL SLOPES UNLESS CONTAINED WITHIN AN ADEQUATE TEMPORARY OR PERMANENT CHANNEL, FLUME OR SLOPE DRAIN STRUCTURE. WHENEVER WATER SEEPS FROM A SLOPE FACE, ADEQUATE DRAINAGE OR OTHER PROTECTION SHALL BE PROVIDED. 10. CONTRACTOR SHALL VERIFY DEPTHS OF ALL UTILITY CROSSINGS PRIOR TO CONSTRUCTION. 10. ALL STORM SEWER INLETS THAT ARE MADE OPERABLE DURING CONSTRUCTION SHALL BE PROTECTED SO THAT 11. THE CONTRACTOR SHALL VERIFY ELEVATIONS OF ALL POINTS OF CONNECTION OR PROPOSED WORK TO SEDIMENT -LADEN WATER CANNOT ENTER THE CONVEYANCE SYSTEM WITHOUT FIRST BEING FILTERED OR OTHERWISE EXISTING CURBS, STORM SEWER, WATERLINES, SANITARY LINES, ETC. PRIOR TO CONSTRUCTION. TREATED TO REMOVE SEDIMENT. 12. LIMITS OF DISTURBANCE SHALL BE COORDINATED WITH ALBEMARLE COUNTY PUBLIC SCHOOLS PRIOR TO CONSTRUCTION. 11. 13. CONTRACTOR IS RESPONSIBLE FOR COMPLYING WITH ALL REQUIREMENTS OF THE FAIRFAX COUNTY PUBLIC SCHOOLS CONTRACT ENTITLED 'SYNTHETIC TURF, ATHLETIC SURFACES AND OTHER RELATED PRODUCTS AND SERVICES", DATED JANUARY 2008, AND AMENDMENTS TO THE CONTRACT AS INCLUDED BY ALBEMARLE COUNTY PUBLIC SCHOOLS. 12. 14. PRIOR TO ANY CONSTRUCTION WITHIN AN 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. BEFORE NEWLY CONSTRUCTED STORMWATER CONVEYANCE CHANNELS OR PIPES ARE MADE OPERATIONAL, ADEQUATE OUTLET PROTECTION AND ANY REQUIRED TEMPORARY OR PERMANENT CHANNEL LINING SMALL BE INSTALLED IN BOTH THE CONVEYANCE CHANNEL AND RECEIVING CHANNEL 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. NON -ERODIBLE MATERIAL SHALL BE USED FOR THE CONSTRUCTION OF (CAUSEWAYS AND COFFERDAMS. EARTHEN FILL MAY BE USED FOR THESE STRUCTURES IF ARMORED BY NON -ERODIBLE COVER MATERIALS. 15. ALL MATERIALS AND CONSTRUCTION METHODS SHALL CONFORM TO CURRENT SPECIFICATIONS AND STANDARDS 13. WHEN A LIVE WATERCOURSE MUST BE CROSSED BY CONSTRUCTION VEHICLES MORE THAIN TWICE IN ANY SIX-MONTH GENERAL NOTES CONTROL PRACTICES 3.05): 1. THE INFORMATION AND DATA SHOWN OR INDICATED WITH RESPECT TO EXISTING UNDERGROUND FACILITIES AT 3, CONSISTING OF A OR CONTIGUOUS TO THE SITE IS BASED ON DEWBERRY SURVEY DATA (APRIL 2009) AND INFORMATION AND SILT FENCE IS INSTALLED EROSION CONTROL PLAN AND SHALL BE INSTALLED PRIOR TO ANY CLEARING, GRADING OR OTHER DATA FURNISHED TO THE ENGINEER BY ALBEMARLE COUNTY PUBLIC SCHOOLS (OCTOBER 1996). THE ALL APPLICABLE FEDERAL, STATE AND LOCAL REGULATIONS PERTAINING TO WORKING IN (OR CROSSING LIVE LEAVING OWNER AND ENGINEER SHALL NOT BE RESPONSIBLE FOR THE ACCURACY OR COMPLETENESS OF ANY SUCH DECREASE THE VELOCITY OF SHEET FLOWS AND LOW -TO -MODERATE CHANNEL FLOWS. WATERCOURSES SHALL BE MET. INFORMATION OR DATA. THE CONTRACTOR SHALL HAVE FULL RESPONSIBILITY FOR REVIEWING AND CHECKING 4• ALL SUCH INFORMATION AND DATA, FOR LOCATING ALL UNDERGROUND FACILITIES SHOWN OR INDICATED 18. THE MAXIMUM ALLOWABLE SLOPE IS 2:1 (HORIZONTAL:VERTICAL). WHERE REASONABLY OBTAINABLE. LESSER PRIOR TO CONSTRUCTION, FOR COORDINATION OF THE WORK WITH THE OWNERS OF SUCH UNDERGROUND THE BED AND BANKS OF A WATERCOURSE SHALL BE STABILIZED IMMEDIATELY AFTER WOIRK IN THE WATERCOURSE IS FACILITIES DURING CONSTRUCTION, FOR THE SAFETY AND PROTECTION THEREOF RESULTING FROM THE WORK, COMPLETED. ALL OF WHICH WILL BE AT NO ADDITIONAL COST TO THE OWNER. CONTRACTOR SHALL CONTACT 'MISS 5. UTILITY" OF VIRGINIA AT 1-800-552-7001 72 HOURS PRIOR TO THE START OF CONSTRUCTION. WORK COUNTY ENGINEER, OR DESIGNEE, IT IS DEEMED NECESSARY IN ORDER TO STABILIZE A DRAINAGE CHANNEL SHALL BE SUBJECT TO INSPECTION BY ALBEMARLE COUNTY PUBLIC SCHOOLS. UNDERGROUND UTILITY LINES SHALL BE INSTALLED IN ACCORDANCE WITH THE FOLLOWING; STANDARDS IN ADDITION TO 2. WHEN WORKING ADJACENT TO EXISTING STRUCTURES, POLES, FENCES, ETC., CONTRACTOR SHALL USE 6• OTHER APPLICABLE CRITERIA: WHATEVER METHODS THAT ARE NECESSARY TO PROTECT STRUCTURES FROM DAMAGE. CONTRACTOR SHALL DEVICES A HAND EXCAVATE WITHIN 5' OF ALL STRUCTURES. REPLACEMENT OF DAMAGED STRUCTURES SHALL BE AT A UNLESS OTHERWISE NOTED ALL CONCRETE PIPE SHALL BE REINFORCED CONCRETE PIPE -CLASS III. THE CONTRACTOR'S EXPENSE. B 3. CONTRACTOR SHALL IMMEDIATELY REPORT ANY DISCREPANCIES BETWEEN EXISTING CONDITIONS AND C. EFFLUENT FROM DEWATERING OPERATIONS SHALL BE FILTERED OR PASSED THROUGIH AN APPROVED SEDIMENT CONTRACT DOCUMENTS TO THE ENGINEER. CONSTRUCTION INDUSTRY (29 CFR PART 1926). 4. THE LOCATION OF ALL EXISTING UTILITIES ACROSS THE LINES OF THE PROPOSED WORK ARE NOT 23. OWNER TO PROVIDE WATER QUALITY TESTING AT THE EXISTING STORMWATER MANAGEMENT FACILITY FOREBAY. NECESSARILY SHOWN ON THE PLANS, AND WHERE SHOWN ARE ONLY APPROXIMATE. THE CONTRACTOR STREAMS OR OFF-SITE PROPERTY. SHALL LOCATE ALL UNDERGROUND LINES AND STRUCTURES AS NECESSARY PRIOR TO CONSTRUCTION. 5. ALL MATERIALS AND CONSTRUCTION SHALL COMPLY WITH THE CONSTRUCTION DOCUMENTS. 6. DATUM FOR ALL ELEVATIONS IS BASED ON NAD 83. 7' 7. ANY ALTERATIONS AND CONNECTIONS TO ANY UTILITY MUST BE COORDINATED THROUGH ALBEMARLE COUNTY PUBLIC SCHOOLS. 8. CONTRACTOR WORK DAYS AND HOURS SHALL BE MONDAY THROUGH FRIDAY 8 AM TO 5 PM. ANY DEVIATION FROM THIS SCHEDULE SHALL BE APPROVED BY ALBEMARLE COUNTY PUBLIC SCHOOLS. ANY SERVICE SUPPLY 8 SHUTDOWNS WILL BE PERFORMED AT NIGHT AND WEEKENDS WITH 10 DAYS WRITTEN NOTICE AND WRITTEN APPROVAL OF ALBEMARLE COUNTY PUBLIC SCHOOLS. 9. SITE FEATURES, COORDINATES, AND ELEVATIONS ARE PROVIDED FROM ALBEMARLE COUNTY PUBLIC SCHOOLS g (OCTOBER 1996) AND DEWBERRY FIELD SURVEY (APRIL 2009). MINIMUM STANDARDS (CONTINUED, 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. 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. STABILIZATION MEASURES SHALL BE APPLIED TO EARTHEN STRUCTURES SUCH AS DAMS, DIKES AND DIVERSIONS IMMEDIATELY AFTER INSTALLATION. SEDIMENT TRAPS AND SEDIMENT BASINS SHALL BE DESIGNED AND CONSTRUCTED BASED UPON THE TOTAL DRAINAGE AREA TO BE SERVED BY THE TRAP OR BASIN. 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. 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. CUT AND FILL SLOPES SHALL BE DESIGNED AND CONSTRUCTED IN A MANNER THAT WILL MINIMIZE EROSION. SLOPES THAT ARE FOUND TO BE ERODING EXCESSIVELY WITHIN ONE YEAR OF PERMANENT STABILIZATION SHALL BE PROVIDED WITH ADDITIONAL SLOPE STABILIZING MEASURES UNTIL THE PROBLEM IS CORRECTED. CONCENTRATED RUNOFF SHALL NOT FLOW DOWN CUT OR FILL SLOPES UNLESS CONTAINED WITHIN AN ADEQUATE TEMPORARY OR PERMANENT CHANNEL, FLUME OR SLOPE DRAIN STRUCTURE. WHENEVER WATER SEEPS FROM A SLOPE FACE, ADEQUATE DRAINAGE OR OTHER PROTECTION SHALL BE PROVIDED. 10. CONTRACTOR SHALL VERIFY DEPTHS OF ALL UTILITY CROSSINGS PRIOR TO CONSTRUCTION. 10. ALL STORM SEWER INLETS THAT ARE MADE OPERABLE DURING CONSTRUCTION SHALL BE PROTECTED SO THAT 11. THE CONTRACTOR SHALL VERIFY ELEVATIONS OF ALL POINTS OF CONNECTION OR PROPOSED WORK TO SEDIMENT -LADEN WATER CANNOT ENTER THE CONVEYANCE SYSTEM WITHOUT FIRST BEING FILTERED OR OTHERWISE EXISTING CURBS, STORM SEWER, WATERLINES, SANITARY LINES, ETC. PRIOR TO CONSTRUCTION. TREATED TO REMOVE SEDIMENT. 12. LIMITS OF DISTURBANCE SHALL BE COORDINATED WITH ALBEMARLE COUNTY PUBLIC SCHOOLS PRIOR TO CONSTRUCTION. 11. 13. CONTRACTOR IS RESPONSIBLE FOR COMPLYING WITH ALL REQUIREMENTS OF THE FAIRFAX COUNTY PUBLIC SCHOOLS CONTRACT ENTITLED 'SYNTHETIC TURF, ATHLETIC SURFACES AND OTHER RELATED PRODUCTS AND SERVICES", DATED JANUARY 2008, AND AMENDMENTS TO THE CONTRACT AS INCLUDED BY ALBEMARLE COUNTY PUBLIC SCHOOLS. 12. 14. PRIOR TO ANY CONSTRUCTION WITHIN AN 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. BEFORE NEWLY CONSTRUCTED STORMWATER CONVEYANCE CHANNELS OR PIPES ARE MADE OPERATIONAL, ADEQUATE OUTLET PROTECTION AND ANY REQUIRED TEMPORARY OR PERMANENT CHANNEL LINING SMALL BE INSTALLED IN BOTH THE CONVEYANCE CHANNEL AND RECEIVING CHANNEL 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. NON -ERODIBLE MATERIAL SHALL BE USED FOR THE CONSTRUCTION OF (CAUSEWAYS AND COFFERDAMS. EARTHEN FILL MAY BE USED FOR THESE STRUCTURES IF ARMORED BY NON -ERODIBLE COVER MATERIALS. 15. ALL MATERIALS AND CONSTRUCTION METHODS SHALL CONFORM TO CURRENT SPECIFICATIONS AND STANDARDS 13. WHEN A LIVE WATERCOURSE MUST BE CROSSED BY CONSTRUCTION VEHICLES MORE THAIN TWICE IN ANY SIX-MONTH PLANT PROTECTION THE PARKING OF VEHICLES AND STORAGE OF ANY CONSTRUCTION EQUIPMENT OR MATERIALS SHALL NOT OCCUR UNDER THE DRIP LINE OF TREES TO BE PROTECTED. GENERAL DEMOLITION NOTES 1. REMOVE VEGETATION, GRASS, & RGOTMAT IN AREAS TO RECEIVE NEW TURF. 2. ALL PRIMARY UTILITIES DISCOVERED DURING DEMOLITION OPERATIONS THAT SERVE ACTIVITIES OTHER THAN THE SITE SHALL BE PROPERLY PRESERVED AND PROTECTED. 3. THE CONTRACTOR SHALL IMMEDIATELY REPORT TO THE OWNER ANY UNFORESEEN OR ADVERSE CONDITIONS DISCOVERED DURING DEMOLITION OPERATIONS. 4. CONTRACTOR SHALL PROTECT EXISTING PLANT MATERIAL NOT DESIGNATED FOR REMOVAL OR RELOCATION FROM DAMAGE DURING CONSTRUCTION. 5. CONTRACTOR SHALL KEEP ALL SURROUNDING PUBLIC ROADWAYS AND DRAINAGE SYSTEMS FREE FROM DIRT, MUD, AND CONSTRUCTION DEBRIS AT ALL TIMES. 6. CONTRACTOR SHALL BE RESPONSIBLE FOR THE REPAIR OF ANY ITEMS DAMAGED DURING THE CONSTRUCTION. 7. DISPOSAL OF DEMOLISHED DEBRIS OFF OF ALBEMARLE COUNTY PUBLIC SCHOOLS' PROPERTY MUST BE COMPLETED LEGALLY. 8. CONTRACTOR RESPONSIBLE FOR DISPOSAL OF ALL EXCAVATED SOIL AT AN APPROVED OFF-SITE LOCATION. IT IS THE CONTRACTOR'S RESPONSIBILITY TO OBTAIN AND PRESENT ALL NECESSARY DOCUMENTATION FOR THIS LOCATION TO LOCAL AND STATE AGENCIES PRIOR TO CONSTRUCTION. THESE PLANS DO NOT IDENTIFY THIS LOCATION. EROSION AND SEDIMENT CONTROL NOTES 1. NO MORE THAN 500 LINEAR FEET OF TRENCH MAY BE OPENED AT ONE TIME. AT THE END OF EACH WORK DAY, ALL EXCAVATION SHALL BE FILLED OR PLATED. 2. EXCAVATED MATERIAL SHALL BE PLACED ON THE UPHILL SIDE OF TRENCHES. CONTRACTOR SHALL PROVIDE APPROPRIATE PROTECTION TO CONTROL SEDIMENT WASHING INTO THE TRENCH. 3. ALL EROSION CONTROL DEVICES SHALL BE IN PLACE AND FUNCTIONAL AT ALL TIMES AND IF REMOVED FOR CONSTRUCTION PROGRESS, SHALL BE REPLACED BY THE CLOSE OF EACH WORKDAY. 4. FINAL REMOVAL OF EROSION CONTROL DEVICES SHALL NOT OCCUR UNTIL THE OWNER OR HIS DESIGNATED AGENT DEEMS THE SITE STABILIZED AND REMOVAL IS AUTHORIZED BY THE REGULATORY AUTHORITY. 5. THE CONTRACTOR SHALL BE RESPONSIBLE FOR SATISFYING ANY AND ALL EROSION CONTROL (EC) AND STORM WATER MANAGEMENT (SWM) REQUIREMENTS FOR ANY LAND DISTURBING ACTIVITIES, INCLUDING BUT NOT LIMITED TO ON-SITE OR OFF-SITE BORROW, ON-SITE OR OFF-SITE STOCKPILING OR DISPOSAL OF WASTE MATERIALS. BEFORE UNDERTAKING ANY LAND EROSION CONTROL AND STORM WATER MANAGEMENT, THE CONTRACTOR SHALL CONTACT ALBEMARLE COUNTY AND/OR THE REGIONAL OFFICE OF THE DIVISION OF SOIL AND WATER CONSERVATION TO DETERMINE WHAT EC AND SWM MEASURES ARE NECESSARY. ALL EC AND SWM MEASURES MUST BE APPROVED BY ALBEMARLE COUNTY AND THE VIRGINIA DEPARTMENT OF CONSERVATION AND RECREATION (DCR) BEFORE IMPLEMENTATION. THE CONTRACTOR SHALL COMPLETELY SATISFY ALL REQUIREMENTS OF ALBEMARLE COUNTY AND DCR BEFORE CONTINUING WITH THE CONCERNED ACTIVITY. THE TEMPORARY EROSION AND SEDIMENT CONTROL ITEMS SHOWN ON THE E&S CONTROL PLANS ARE INTENDED TO PROVIDE A GENERAL PLAN FOR CONTROLLING EROSION AND SILTATION BETWEEN THE PROJECT LIMITS. MINIMUM STANDARDS 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. SPECIFIC FERTILIZER, NUTRIENT, AND SEED APPLICATION MUST MEET E.S.C. TECHNICAL BULLETIN NO. 4. NUTRIENT MANAGEMENT FOR DEVELOPMENT PROJECTS. DOWNLOAD AT http://www.dcr.virginia.gov/soil-&-water/documents/ esnuton.pdf . MULCHING REQUIREMENTS MUST MEET VESC HANDBOOK MULCHING TABLE 3.35A 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. ANY BORROW, FILL OR WASTE, SUCH AS DEMOLITION MATERIAL MUST BE PROVIDED FROM OR HAULED TO A PERMFTTED/APPROVED SUPPLY OR WASTE AREA ALL OFFSITE ACTIVITY IS NOT PART OF THIS PERMIT/PLAN SET AND IS ADDRESSED UNDER SEPARATE COVER. E&S NARRATIVE (CONTINUED) 1. CONSTRUCTION WILL BE SEQUENCED SO THAT TRENCHING, FINE GRADING, AND TURF INSTALLATION OPERATIONS CAN BEGIN AND END AS QUICKLY AS POSSIBLE. 2. TURF INSTALLATION WILL BEGIN IMMEDIATELY FOLLOWING RETURN TO PROPOSED GRADE. 3. THE CONTRACTOR SHALL BE RESPONSIBLE FOR THE INSTALLATION AND MAINTENANCE OF ALL EROSION AND SEDIMENT CONTROL PRACTICES. 4. AFTER ACHIEVING ADEQUATE STABILIZATION, THE TEMPORARY E&S CONTROLS WILL BE CLEANED UP AND REMOVED IMMEDIATELY. EROSION ANDSEDIMENT ONTRO MEASURES THE INTENT OF THIS EROSION AND SEDIMENT CONTROL PLAN IS TO GUIDE THE CONTRACTOR IN IMPLEMENTING ACCEPTABLE MEASURES, INFRASTRUCTURE, AND MAINTENANCE PROGRAMS THAT WILL MINIMIZE THE AMOUNT OF EROSION AND RESULTING SEDIMENT THAT WILL TAKE PLACE DURING THE CONSTRUCTION OF THIS PROJECT. ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES WILL BE CONSTRUCTED AND MAINTAINED ACCORDING TO THE MINIMUM STANDARDS AND SPECIFICATIONS OF THE VA EROSION & SEDIMENT CONTROL BOOK- STRUCTURAL OOK. STR T l AI EROSION AND SILT FENCE (VESCH STD. OF VDOT UNLESS OTHERWISE NOTED. CONTROL PRACTICES 3.05): PERIOD, A TEMPORARY VEHICULAR STREAM CROSSING CONSTRUCTED OF NON -ERODIBLE (MATERIAL SHALL BE PROVIDED. 16. EROSION AND SILTATION CONTROL MEASURES SHALL BE PROVIDED IN ACCORDANCE WITH THE APPROVED CONSISTING OF A FILTER FABRIC STRETCHED ACROSS AND ATTACHED TO SUPPORTING POSTS AND ENTRENCHED. SILT FENCE IS INSTALLED EROSION CONTROL PLAN AND SHALL BE INSTALLED PRIOR TO ANY CLEARING, GRADING OR OTHER 14. ALL APPLICABLE FEDERAL, STATE AND LOCAL REGULATIONS PERTAINING TO WORKING IN (OR CROSSING LIVE LEAVING CONSTRUCTION. DECREASE THE VELOCITY OF SHEET FLOWS AND LOW -TO -MODERATE CHANNEL FLOWS. WATERCOURSES SHALL BE MET. 17. ALL SLOPES AND DISTURBED AREAS ARE TO BE FERTILIZED, SEEDED AND MULCHED. 18. THE MAXIMUM ALLOWABLE SLOPE IS 2:1 (HORIZONTAL:VERTICAL). WHERE REASONABLY OBTAINABLE. LESSER 15. THE BED AND BANKS OF A WATERCOURSE SHALL BE STABILIZED IMMEDIATELY AFTER WOIRK IN THE WATERCOURSE IS SLOPES OF 3:1 OR BETTER ARE TO BE ACHIEVED. COMPLETED. 19. 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 16. UNDERGROUND UTILITY LINES SHALL BE INSTALLED IN ACCORDANCE WITH THE FOLLOWING; STANDARDS IN ADDITION TO 20. ALL TRAFFIC CONTROL SIGNS SHALL CONFORM WITH THE VIRGINIA MANUAL FOR UNIFORM TRAFFIC CONTROL OTHER APPLICABLE CRITERIA: DEVICES A NO MORE THAN 500 LINEAR FEET OF TRENCH MAY BE OPENED AT ONE TIME. 21. UNLESS OTHERWISE NOTED ALL CONCRETE PIPE SHALL BE REINFORCED CONCRETE PIPE -CLASS III. B. EXCAVATED MATERIAL SHALL BE PLACED ON THE UPHILL SIDE OF TRENCHES. 22. ALL EXCAVATION FOR UNDERGROUND PIPE INSTALLATION MUST COMPLY WITH OSHA STANDARDS FOR THE C. EFFLUENT FROM DEWATERING OPERATIONS SHALL BE FILTERED OR PASSED THROUGIH AN APPROVED SEDIMENT CONSTRUCTION INDUSTRY (29 CFR PART 1926). TRAPPING DEVICE, OR BOTH, AND DISCHARGED IN A MANNER THAT DOES NOT ADVERSELY AFFECT FLOWING 23. OWNER TO PROVIDE WATER QUALITY TESTING AT THE EXISTING STORMWATER MANAGEMENT FACILITY FOREBAY. STREAMS OR OFF-SITE PROPERTY. PLANT PROTECTION THE PARKING OF VEHICLES AND STORAGE OF ANY CONSTRUCTION EQUIPMENT OR MATERIALS SHALL NOT OCCUR UNDER THE DRIP LINE OF TREES TO BE PROTECTED. GENERAL DEMOLITION NOTES 1. REMOVE VEGETATION, GRASS, & RGOTMAT IN AREAS TO RECEIVE NEW TURF. 2. ALL PRIMARY UTILITIES DISCOVERED DURING DEMOLITION OPERATIONS THAT SERVE ACTIVITIES OTHER THAN THE SITE SHALL BE PROPERLY PRESERVED AND PROTECTED. 3. THE CONTRACTOR SHALL IMMEDIATELY REPORT TO THE OWNER ANY UNFORESEEN OR ADVERSE CONDITIONS DISCOVERED DURING DEMOLITION OPERATIONS. 4. CONTRACTOR SHALL PROTECT EXISTING PLANT MATERIAL NOT DESIGNATED FOR REMOVAL OR RELOCATION FROM DAMAGE DURING CONSTRUCTION. 5. CONTRACTOR SHALL KEEP ALL SURROUNDING PUBLIC ROADWAYS AND DRAINAGE SYSTEMS FREE FROM DIRT, MUD, AND CONSTRUCTION DEBRIS AT ALL TIMES. 6. CONTRACTOR SHALL BE RESPONSIBLE FOR THE REPAIR OF ANY ITEMS DAMAGED DURING THE CONSTRUCTION. 7. DISPOSAL OF DEMOLISHED DEBRIS OFF OF ALBEMARLE COUNTY PUBLIC SCHOOLS' PROPERTY MUST BE COMPLETED LEGALLY. 8. CONTRACTOR RESPONSIBLE FOR DISPOSAL OF ALL EXCAVATED SOIL AT AN APPROVED OFF-SITE LOCATION. IT IS THE CONTRACTOR'S RESPONSIBILITY TO OBTAIN AND PRESENT ALL NECESSARY DOCUMENTATION FOR THIS LOCATION TO LOCAL AND STATE AGENCIES PRIOR TO CONSTRUCTION. THESE PLANS DO NOT IDENTIFY THIS LOCATION. EROSION AND SEDIMENT CONTROL NOTES 1. NO MORE THAN 500 LINEAR FEET OF TRENCH MAY BE OPENED AT ONE TIME. AT THE END OF EACH WORK DAY, ALL EXCAVATION SHALL BE FILLED OR PLATED. 2. EXCAVATED MATERIAL SHALL BE PLACED ON THE UPHILL SIDE OF TRENCHES. CONTRACTOR SHALL PROVIDE APPROPRIATE PROTECTION TO CONTROL SEDIMENT WASHING INTO THE TRENCH. 3. ALL EROSION CONTROL DEVICES SHALL BE IN PLACE AND FUNCTIONAL AT ALL TIMES AND IF REMOVED FOR CONSTRUCTION PROGRESS, SHALL BE REPLACED BY THE CLOSE OF EACH WORKDAY. 4. FINAL REMOVAL OF EROSION CONTROL DEVICES SHALL NOT OCCUR UNTIL THE OWNER OR HIS DESIGNATED AGENT DEEMS THE SITE STABILIZED AND REMOVAL IS AUTHORIZED BY THE REGULATORY AUTHORITY. 5. THE CONTRACTOR SHALL BE RESPONSIBLE FOR SATISFYING ANY AND ALL EROSION CONTROL (EC) AND STORM WATER MANAGEMENT (SWM) REQUIREMENTS FOR ANY LAND DISTURBING ACTIVITIES, INCLUDING BUT NOT LIMITED TO ON-SITE OR OFF-SITE BORROW, ON-SITE OR OFF-SITE STOCKPILING OR DISPOSAL OF WASTE MATERIALS. BEFORE UNDERTAKING ANY LAND EROSION CONTROL AND STORM WATER MANAGEMENT, THE CONTRACTOR SHALL CONTACT ALBEMARLE COUNTY AND/OR THE REGIONAL OFFICE OF THE DIVISION OF SOIL AND WATER CONSERVATION TO DETERMINE WHAT EC AND SWM MEASURES ARE NECESSARY. ALL EC AND SWM MEASURES MUST BE APPROVED BY ALBEMARLE COUNTY AND THE VIRGINIA DEPARTMENT OF CONSERVATION AND RECREATION (DCR) BEFORE IMPLEMENTATION. THE CONTRACTOR SHALL COMPLETELY SATISFY ALL REQUIREMENTS OF ALBEMARLE COUNTY AND DCR BEFORE CONTINUING WITH THE CONCERNED ACTIVITY. THE TEMPORARY EROSION AND SEDIMENT CONTROL ITEMS SHOWN ON THE E&S CONTROL PLANS ARE INTENDED TO PROVIDE A GENERAL PLAN FOR CONTROLLING EROSION AND SILTATION BETWEEN THE PROJECT LIMITS. MINIMUM STANDARDS 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. SPECIFIC FERTILIZER, NUTRIENT, AND SEED APPLICATION MUST MEET E.S.C. TECHNICAL BULLETIN NO. 4. NUTRIENT MANAGEMENT FOR DEVELOPMENT PROJECTS. DOWNLOAD AT http://www.dcr.virginia.gov/soil-&-water/documents/ esnuton.pdf . MULCHING REQUIREMENTS MUST MEET VESC HANDBOOK MULCHING TABLE 3.35A 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. ANY BORROW, FILL OR WASTE, SUCH AS DEMOLITION MATERIAL MUST BE PROVIDED FROM OR HAULED TO A PERMFTTED/APPROVED SUPPLY OR WASTE AREA ALL OFFSITE ACTIVITY IS NOT PART OF THIS PERMIT/PLAN SET AND IS ADDRESSED UNDER SEPARATE COVER. E&S NARRATIVE (CONTINUED) 1. CONSTRUCTION WILL BE SEQUENCED SO THAT TRENCHING, FINE GRADING, AND TURF INSTALLATION OPERATIONS CAN BEGIN AND END AS QUICKLY AS POSSIBLE. 2. TURF INSTALLATION WILL BEGIN IMMEDIATELY FOLLOWING RETURN TO PROPOSED GRADE. 3. THE CONTRACTOR SHALL BE RESPONSIBLE FOR THE INSTALLATION AND MAINTENANCE OF ALL EROSION AND SEDIMENT CONTROL PRACTICES. 4. AFTER ACHIEVING ADEQUATE STABILIZATION, THE TEMPORARY E&S CONTROLS WILL BE CLEANED UP AND REMOVED IMMEDIATELY. EROSION ANDSEDIMENT ONTRO MEASURES THE INTENT OF THIS EROSION AND SEDIMENT CONTROL PLAN IS TO GUIDE THE CONTRACTOR IN IMPLEMENTING ACCEPTABLE MEASURES, INFRASTRUCTURE, AND MAINTENANCE PROGRAMS THAT WILL MINIMIZE THE AMOUNT OF EROSION AND RESULTING SEDIMENT THAT WILL TAKE PLACE DURING THE CONSTRUCTION OF THIS PROJECT. ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES WILL BE CONSTRUCTED AND MAINTAINED ACCORDING TO THE MINIMUM STANDARDS AND SPECIFICATIONS OF THE VA EROSION & SEDIMENT CONTROL BOOK- STRUCTURAL OOK. STR T l AI EROSION AND SILT FENCE (VESCH STD. SEDIMENT & SPEC. CONTROL PRACTICES 3.05): MEASURES A TEMPORARY SEDIMENT BARRIER CONSISTING OF A FILTER FABRIC STRETCHED ACROSS AND ATTACHED TO SUPPORTING POSTS AND ENTRENCHED. SILT FENCE IS INSTALLED TO INTERCEPT AND DETAIN SMALL AMOUNTS OF SEDIMENT FROM DISTURBED AREAS DURING CONSTRUCTION IN ORDER TO PREVENT SEDIMENT FROM LEAVING THE SITE AND TO DECREASE THE VELOCITY OF SHEET FLOWS AND LOW -TO -MODERATE CHANNEL FLOWS. STORM DRAIN INLET PROTECTION (VESCH STD. & SPEC. 3.07): A SEDIMENT FILTER OR AN EXCAVATED IMPOUNDING AREA AROUND A STORM DRAIN DROP INLET OR CURB INLET TO PREVENT SEDIMENT FROM ENTERING STORM DRAINAGE SYSTEMS PRIOR TO PERMANENT STABILIZATION OF THE DISTURBED AREA. STONE CONSTRUCTION ENTRANCE: THE SITE IMPROVEMENTS WILL BE COMPLETED WITH SMALL EXCAVATION EQUIPMENT OVER A SHORT CONSTRUCTION PERIOD. ACCESS TO THE SITE WILL BE FROM THE EXISTING ASPHALT PATH TO THE TRACK LOCATED ADJACENT TO THE SOUTH EAST CORNER OF THE FIELD. A CONSTRUCTION ENTRANCE IS PROPOSED ON THE EXISTING FIELD AT THIS LOCATION AS SHOWN ON SHEET C2 AND DETAILED ON SHEET C4. TEMPORARY AND PERMANENT ST RI I ATION TEMPORARY SEEDING 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 AND LESS THAN ONE YEAR. THIS INCLUDES, BUT IS NOT LIMITED TO, STOCKPILES. PERMANENT TURF SHALL BE INSTALLED ON DISTURBED AREAS WITHIN SEVEN DAYS OF BEING BROUGHT TO FINAL GRADE ON AREAS NOT OTHERWISE PROTECTED. SEE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK STD. & SPEC. 3.31 AND 3.33 FOR ACCEPTABLE SOD TYPE AND SCHEDULES AS WELL AS LIMING, MULCHING, AND FERTILIZING REQUIREMENTS. ALL STOCKPILES OF EXCESS MATERIAL SHALL BE PLACED WITHIN THE EROSION CONTROL PERIMETER. IF STOCKPILES AND/OR BORROW AREAS ARE REQUIRED OUTSIDE THE LIMITS OF CONSTRUCTION, THE CONTRACTOR SHALL IMPLEMENT EROSION CONTROL DEVICES PER THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK AND OBTAIN REQUIRED PERMITS. EROSION AND SEDIMENT IN GENERAL, ALL THE CONTROL EROSION MAINTENANCE AND SEDIMENT CONTROL MEASURES SHALL BE CHECKED WEEKLY AND AFTER EACH SIGNIFICANT RAINFALL TO ENSURE THEY ARE IN WORKING ORDER. THE FOLLOWING ITEMS WILL BE CHECKED IN PARTICULAR: 1 2. 3. D. MATERIAL USED FOR BACKFILLING TRENCHES SHALL BE PROPERLY COMPACTED IN ORDER TO MINIMIZE EROSION AND PROMOTE STABILIZATION. E. RE -STABILIZATION SHALL BE ACCOMPLISHED IN ACCORDANCE WITH THESE REGULATIONS. F. APPLICABLE SAFETY REGULATIONS SHALL BE COMPLIED WITH. 4 17. WHERE CONSTRUCTION VEHICLE ACCESS ROUTES INTERSECT PAVED OR PUBLIC ROADS, PROVISIONS SHALL BE MADE TO 5, 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 ALLLOWED ONLY AFTER SEDIMENT IS REMOVED IN THIS MANNER. THIS PROVISION SHALL APPLY TO INDIVIDUAL DEVELOPMENIT LOTS AS WELL AS TO LARGER LAND -DISTURBING ACTIVITIES. 18. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIIN 30 DAYS AFTER FINAL SITE STABILIZATION OR AFTER THE TEMPORARY MEASURES ARE NO LONGER NEEDED, UNLESS OTHERWISE AUTHORIZED BY THE REGULATORY AUTHORITY. TRAPPED SEDIMENT AND THE DISTURBED SOIL AREAS RESUILTING FROM THE DISPOSITION OF TEMPORARY MEASURES SHALL BE PERMANENTLY STABILIZED TO PREVENT FURTHER EFROSION AND SEDIMENTATION. 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 WA1H THE STANDARDS AND CRITERIA FOUND IN VESC REGULATION 4VAC50-30-40 MS -19 PARTS A -K. 20. THE POST DEVELOPMENT 10 YR STORM PEAK RUNOFF IS LESS THAN THE PRE -DEVELOPMENT 10 YR STORM PEAK RUNOFF. THESE CALCULATIONS ALONG WITH SITE DRAINAGE COMPUTATIONS ARE ADDRESS6ED WITHIN THE ALBEMARLE COUNTY ATHLETIC FIELDS MONTICELLO HIGH SCHOOL TURF REPLACEMENT STORMWATER MANAGEMENT ANALYSIS' BOOKLET. THE PROJECT IS A FIELD RENOVATION WHICH INCLUDES INSTALLATION OF AN ARTIFICIAL TURF SYSTEM, WHICH INCLUDES A STORMWATER UNDER -DRAIN SYSTEM, FOR THE STADIUM AT MONTICELLO HIGH SCHOOL APPROXIMATELY 1.82 ACRES (79,349 SF) WILL BE DISTURBED TO RENOVATE THIS ATHLETIC FIELD. NO ADDITIONAL IMPERVROUS AREA WILL BE ADDED. THIS PROJECT CONSISTS OF REPLACING THE EXISTING GRASS SURFACE WITH AN ARTIFICIAL TUJRF SURFACE, WHICH INCLUDES AN UNDER -DRAIN SYSTEM. THE LIMITS OF THE PROPOSED ARTIFICIAL TURF SYSTEMA ARE BOUND BY THE TWO EXISTING FOOTBALL FIELD GOAL POSTS TO THE NORTH AND SOUTH AND THE EXISTING EDGE OF TRACK TO THE EAST AND WEST. THE 'D' ZONES LOCATED BEYOND THE GOAL POSTS WITHIN THE TRACK WILL REMAIN (GRASS. EXISTING SITE CONDITIONS THE SITE IS AN EXISTING VEGETATED GRASS SPORTS PLAYING FIELD USED AT THE HIGH SCHOOL EXISTING STORM RUNOFF DRAINS FROM SOUTH TO NORTH WITH A STORM COLLECTOR SYSTEM THAT RUNS ADJACENT TO THE SIDELINES OF THE FIELD. THE STORM DRAINAGE OUTFALLS TO AN EXISTING STORMWATER MANAGEMENT POND LOCATED NORTH OF THE STADIUM. PTINM ACCORDING TO LOCAL SOIL MAPPING INFORMATION (USDA SOIL CONSERVATION SERVICE, "SOIL SURVEY OF ALBEMARLE COUNTY, VIRGINIA" DATED AUGUST 1985) THE EXISTING SOILS WITHIN THE PROJECT AREA ARE CATOCTIN (13C), MANTEO (51C), RABUN (72C3), AND RIVERVIEW (77). THESE SOILS HAVE A PERMEABILITY RATE OF 2..0-6.0 IN/HR. A SOIL BOUNDARY MAP WITH LABELS IS PROVIDED ON SHEET C24A OF THIS PLAN SET. THIS SOIL INFORMATION WAS PREPARED PRIOR TO THE CONSTRUCTION OF THE HIGH SCHOOL AND STADIUM. A SOIL PERCOLATION TEST WAS CONDUCTED ON SITE AT VARYING LOCATIONS AND DEPTHS. THESE RESULTS CAN BE FOUND UNDER TAB 6 OF THE "ALBEMARLE PUBLIC SCHOOLS MONTICELLO HIGH SCHOOL STADIUM TURF REPLACEMENT MINOR SITE PLAN AMENDMENT AND SEDIMENT AND EROSION CONTROL PLAN STORMWATER MANAGEMENT ANALYSIS' BOOKLET, DATED MAY 2009, AND PREPARED BY DEWBERRY AND DAVIS INC. THE RESULTS FROM THESE PERCOLATION TESTS SHOWED THAT THE FIELD IS NOW COMPOSED OF A RED -BROWN CLAYEY SILT FILL MATERIAL WITH AN AVERAGE PERCOLATION RATE AROUND 0.1 INCHES/HOUR. ADJACENT PROPERtt THERE ARE NO ADJACENT PROPERTIES THAT WILL BE AFFECTED BY THIS DEVELOPMENT. CRITICAL AREAS THERE ARE NO CRITICAL AREAS ONSITE. THE PLAN HAS BEEN DEVELOPED TO MINIMIZE LAND iDISTURBANCE. WHERE GRADING IS NECESSARY. ADEQUATE PRECAUTIONS SHALL BE TAKEN TO MINIMIZE EROSION AND TO CONTAIN SILT THROUGH PROPER EROSION AND SEDIMENT CONTROL PRACTICES. CHECKED BY SILT FENCE, SUPER SILT FENCE & DIVERSION DIKES: SEDIMENT DEPOSITS SHALL BE REMOVED WHEN DEPOSITS REACH APPROXIMATELY ONE-HALF THE HEIGHT OF THE BARRIER. FABRIC SHALL BE REPLACED IF IT HAS DECOMPOSED OR BECOME INEFFECTIVE. INLET PROTECTION: SEDIMENT DEPOSITS SHALL BE REMOVED WHEN DEPOSITS REACH APPROXIMATELY ONE-HALF THE DESIGN DEPTH OF THE TRAP. CONSTRUCTION ENTRANCE: THE ENTRANCE SHALL BE MAINTAINED IN A CONDITION WHICH WILL PREVENT TRACKING OR FLOW OF MUD ONTO PUBLIC RIGHT-OF-WAY. THIS MAY REQUIRE PERIODIC TOP DRESSING WITH ADDITIONAL STONE OR THE WASHING AND REWORKING OF EXISTING STONE AS CONDITIONS DEMAND AND REPAIR AND/OR CLEANOUT OF ANY STRUCTURES USED TO TRAP SEDIMENT. ALL MATERIALS SPILLED, DROPPED, WASHED, OR TRACKED FROM VEHICLES ONTO ROADWAYS OR INTO STORM DRAINS MUST BE REMOVED IMMEDIATELY. THE USE OF WATER TRUCKS TO REMOVE MATERIALS DROPPED, WASHED, OR TRACKED ONTO ROADWAYS WILL NOT BE PERMITTED UNDER ANY CIRCUMSTANCES. TEMPORARY SEEDING & SODDING: ANY PERIMETER SEEDED & SODDED AREAS SHALL BE CHECKED REGULARLY TO ENSURE THAT A GOOD STAND OF GRASS IS MAINTAINED. AREAS SHOULD BE FERTILIZED AND RESEEDED AS NEEDED. THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROVIDING AN EMPLOYEE WHO WILL BE IN RESPONSIBLE CHARGE FOR THE EROSION AND SEDIMENT CONTROL PLAN AND REQUIREMENTS FOR THE PROJECT THAT IS CERTIFIED BY THE VIRGINIA DEPARTMENT OF CONSERVATION AND RECREATION AS A RESPONSIBLE LAND DISTURBER (RLD). THE NAME OF THE CONTRACTOR'S RLD AND COPY OF HIS CURRENT CERTIFICATION SHALL BE PROVIDED TO THE OWNER, ENGINEER AND EROSION & SEDIMENT CONTROL PLAN APPROVING AUTHORITY PRIOR TO ISSUANCE TO THE NOTICE TO PROCEED FOR THE PROJECT. RESPONSIBLE LAND DISTURBER ROBERT EDWARD PUTZE (CERTIFICATE LICENSE #29601). GENERAL EROSION AND SEDIMENT CONTROL NOTES 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 -DO 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 SITE AT ALL TIMES. 5. PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICATED ON THESE PLANS (INCLUDING, BUT NOT LIMITED TO, OFF-SITE BORROW OR WASTE AREAS), THE CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN TO THE OWNER FOR REVIEW AND APPROVAL BY THE PLAN APPROVING AUTHORITY. 6. THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS DETERMINED BY THE PLAN APPROVING AUTHORITY. 7. ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL TIMES DURING LAND DISTURBING ACTIVITIES AND DURING SITE DEVELOPMENT UNTIL FINAL STABILIZATION IS ACHIEVED. 8. DURING DEWATERING OPERATIONS, WATER WILL BE PUMPED INTO AN APPROVED FILTERING DEVICE. 9. THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY AND AFTER EACH RUNOFF -PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL BE MADE IMMEDIATELY. 10. ALL FILL MATERIAL TO BE TAKEN FROM AN APPROVED, DESIGNATED BORROW AREA 11. ALL WASTE MATERIALS SHALL BE TAKEN TO AN APPROVED WASTE AREA EARTH FILL SHALL BE INERT MATERIALS ONLY, FREE OF ROOTS, STUMPS, WOOD, RUBBISH, AND OTHER DEBRIS. 12. BORROW OR WASTE AREAS ARE TO BE RECLAIMED WITHIN 7 DAYS OF COMPLETION PER ZONING ORDINANCE SECTION 5.1.28. 13. ALL INERT MATERIALS SHALL BE TRANSPORTED IN COMPLIANCE WITH SECTION 13-301 OF THE CODE OF ALBEMARLE. 14. BORROW, FILL OR WASTE ACTIVITY INVOLVING INDUSTRIAL -TYPE POWER EQUIPMENT SHALL BE LIMITED TO THE HOURS OF 7: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 IMPROVEMENTS, AND DAMAGE TO ANY PUBLIC STREET BECAUSE OF SLIDES, SINKING, OR COLLAPSE. 16. THE DEVELOPER SHALL RESERVE THE RIGHT TO INSTALL, MAINTAIN, REMOVE OR CONVERT TO PERMANENT STORMWATER MANAGEMENT FACILITIES WHERE APPLICABLE ALL EROSION CONTROL MEASURES REQUIRED BY THIS PLAN REGARDLESS OF THE SALE OF ANY LOT, UNIT, BUILDING OR OTHER PORTION OF THE PROPERTY. 17. TEMPORARY STABILIZATION SHALL BE TEMPORARY SEEDING AND MULCHING. SEEDING IS TO BE AT 75 LBS/ACRE, AND IN THE MONTHS OF SEPTEMBER TO FEBRUARY TO CONSIST A 5%o 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 90 LBS/IOOSF, INCORPORATED INTO THE TOP 4-6 INCHES OF SOIL FERTILIZER SHALL BE APPLIED AT 1000 LBS/ACRE AND CONSIST OF A 10-20-10 NUTRIENT MIX. PERMANENT SEEDING SHALL BE APPLIED AT 180 LBS/ACRE AND CONSIST OF 95% KENTUCKY 31 OR TALL FESCUE AND 0-5X PERENNIAL RYEGRASS OR KENTUCKY BLUEGRASS. STRAW MULCH IS TO BE APPLIED AT 80 LBS/100SF. ALTERNATIVES ARE SUBJECT TO APPROVAL BY THE COUNTY EROSION CONTROL INSPECTOR. 19. MAINTENANCE: ALL MEASURES ARE TO BE INSPECTED WEEKLY AND AFTER EACH RAINFALL ANY DAMAGE OR CLOGGING TO STRUCTURAL MEASURES IS TO BE REPAIRED IMMEDIATELY. SILT TRAPS ARE TO BE CLEANED WHEN 50X OF THE WET STORAGE VOLUME IS FILLED WITH SEDIMENT. ALL SEEDED AREAS ARE TO BE RESEEDED WHEN NECESSARY TO ACHIEVE A GOOD STAND OF GRASS. SILT FENCE AND DIVERSION DYKES WHICH ARE COLLECTING SEDIMENT TO HALF THEIR HEIGHT MUST BE CLEANED AND REPAIRED IMMEDIATELY. 20. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE REMOVED WITHIN 30 DAYS OF FINAL SITE STABILIZATION, WHEN MEASURES ARE NO LONGER NEEDED, SUBJECT TO APPROVAL BY THE COUNTY EROSION CONTROL INSPECTOR. Dewberry & Davis, Inc. 4180 hrd*e Orta Glen Allen, Vaywa 23080 PHONE 804290.785/ FAX 804290.]828 www.d w0eny.m H Z WCrWg J O2Zo O�WCC UpQZ g ZO z W:5%_J0 mJ Z > (L0wwL Zu) iY W in _ W O Zo 0 U=mZ Er W HaQ �OZZ = Q� LU U WUWD Cr mZUQW <O a. L W Z ac Q SEAL 3RT S. NOUS _P7,A `11y 07 J SEAL No. DATE BY Description REVISIONS SEK DRAWN BY RSN APPROVED BY CHECKED BY KWW MAY 2009 DATE TITLE GENERAL NOTES AND E&S NOTES PROJECT No. 50020623 CIA SHEET NO. 4 OF 10 I 1 / It I I I 262.24 ' _ DUGOUx / Y� 6' WIDE MULCHED 8'APT RANCOR N PA�fi WALK _- AQJ COORDINATE NAL LOCAN 20ACSA WILDNAK DISCS CIRCLE CAGE 70 DEAIL NRH oxx/ARcTEcn SEN EASEMENT ON DRIN (RDI NG023) 270' 21 x_x�x I f__- KRAUSE 0E IREZINSKI 16'A— 7 S70W X_x rx GATES 10' --- ; i SETBACK COMCRETE PAD�DUGOUT FOR BEEACNERSO I 1 i II Are Lltettr \.._.. FRENCH DRAIN SEC 7)ON MATCHLINE DRAWING C-9 1 f -__— _ EA/M 7 WDS • /AO SCME / ; ;i ___ FIE rFUTURE SCQREBOARD d N ' I I I ♦ / ♦ ( 6• WIDE i t r I BMP2- CUM 0. 95" OF CHANGE GA MS10' HIGH 1ARNNG TRACK AREA �i++ CAREAREA II 4' OF STONE DI 10' CHAIN I x I;I (i%l /rr ♦ LAW FENCE NECM DRA~ S 8' ASPHALT I �Ir-- DATE. 8-3/-99 I . WALK i I 'Ij --- � I i ali ___ 101 189E 9NYLS aMl Ii j % x_x 8' CHAIN LINK FENCE - - I I IF___ 1Y--- SAN 2N } x x X 6• FENCER? 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GAME CLOQC S �1 _Sl%y T PUTAREA SF I // I IIxI 41V\I II l/ IIID I I \ I I I I / 11 j / ! /! / LIMITS OF PROPOSED \ / IP fill l II1 / V 11�/IIIIIIII� 1 /I l l�l/I/ � � � It TURF SYSTEM � l/I� 111LIM F RBANCE SI ENCE ! a / IP EXE / It /fi/,/// ,� / CONSTRUCTION PHASE I /,//%// // / l �� / It /It It It t -' / (EX.)/It It tP /�, / !� ;It / //° / It �/ /// % �IIIItp �f \ J / / 1 / / STORM DRAIN TABLE EX. 1 EX. 6A 42" RCP YARD INLET INV.=453.0± GRATE=483.98 0 WATERS EDGE 15" RCP OUT=481.7 EX. 2 EX. 7 YARD INLET STORM MANHOLE GRATE=488.42 TOP=491.42 42" RCP IN=455.6 36" RCP IN=482.4 15" RCP IN= RCP IN=482.4 42" RCP OUT=455.6 42" RCP OUT=482.4 EX, 3 EX. 8 YARD INLET YARD INLET GRATE=488.57 GRATE=488.50 42" RCP IN=463.7 15" RCP IN=476.9 42" RCP OUT=463.7 15" RCP IN=478.6 EX. 4 185"") RCP OUT=476.9 YARD INLET GRATE=488.30 EX. 8A 42" RCP IN=471.1 YARD INLET 10" PVC IN=484.5 GRATE=482.44 42" RCP OUT=471.1 15" RCP OUT=480.2 EX. 5 EX. 9 YARD INLET YARD INLET GRATE=488.42 GRATE=488.51 42" RCP IN=475.6 15" RCP IN=482.8 15" RCP IN=484.8 15" RCP OUT=482.7 42" RCP OUT=475.6 EX. 10 EX. 5A YARD INLET YARD INLET GRATE=487.09 GRATE=489.51 15" RCP IN=484.3 15" RCP IN=486.4 15" RCP OUT=484.1 15" RCP OUT=486.5 (HOLDS WATER) EX. 11 YARD INLET EX. 5B GRATE=488.71 DROP INLET 15" RCP OUT=486.0 TOP=492.21 15" RCP OUT =488.3 EX. 6 YARD INLET GRATE=488.38 42" RCP IN=478.5 15" RCP IN=478.5 42" RCP OUT=478.5 Dewberry S FTBALL Dewberry & Davis, Inc. IELD 416017 "orae GW Allen, VkgWa 23060 \ PHONE 60/.290.7957 1 FAX 609.290.7926 www.dewbMry.Com 1 LEGEND EXISTING ATHLETIC AREA LL Z -4Z - x . - x - EXISTING CHAIN LINK FENCE J p L - - - W - - - W - EXISTING WATER O J - - - ss - - - ss - EXISTING SANITARY SEWER O Z O O- ® EEXXIISTITING STORM STRUCTURES U Q NG STORM SEWER W F- ®® EXISTING WATER STRUCTURE V) 4Q Q Z Q Oz ® EXISTING ELECTRIC BOX U Z CD EXISTING STADIUM LIGHT ? O g Z cr - EXISTING BUILDING EXISTING PAVEMENT (- O W EXISTING TREE / TREELINE J 490 EXISTING MAJOR CONTOUR Z V) Cr w W 489 EXISTING MINOR CONTOUR 5 �=R O EXISTING GUARDRAIL O C3 Q - - EXISTING UNDERDRAIN V = C Q Lu EXISTING DRAINAGE STRUCTURE NO. cr O Z Z U Q J W - PROPOSED STORM SEWER C W 2 V) IP PROPOSED E&S CALLOUT W U `Lu O ----------- PROPOSED LIMITS OF DISTURBANCE m Z U W -K M II PROPOSED SILT FENCE Q CCZ Q - - - ® - - - PROPOSED TURF LIMITS L w Z PROPOSED INLET PROTECTION Q 490 PROPOSED MAJOR CONTOUR 489 PROPOSED MINOR CONTOUR SEAL SP 488.90 FINISHED TURF PROPOSE SPOT SHOT CALLOUT PROPOSED CONSTRUCTION ENTRANCE 8 SRT S.NCITTS c. PROPOSED CONTRACTORLAYDN . 7 I ! ( (� >• / / Y1LL_L_L_L_L_d PARKING/MESSNACON 0 DATION AREAGE AREA AND ��y Q I 1111 1(VJ / � / / � / / ! o !! / /� I' ll�ll�l/� A, SF / / / P ! / a / UNIFORM CODING SYSTEM FOR EROSION AND SEDIMENT CONTROL PRACTICES �. j illi /'ll ��ll /i� �� so / i / It / a �l I I IlI l l�� / t / CONSTRUCTION PHASE II-/ It 3.02 CONSTRUCTION® ENTRANCE 3.32 PERMANENT SEEDING ®$ 3.05 SILT FENCE $0 X - -3E- 3.35 MULCHING 3.07 INLET PROTECTION IP ® 3.39 DUST CONTROL 3.31 TEMPORARY SEEDING O$ PHASED LIMITS OF CONSTRUCTION I l � - l • J / !l / /��`'� \ SEQUENCE OF CONSTRUCTION 13�� I 1. ALBEMARLE COUNTY PUBLIC SCHOOLS HAS OBTAINED THE PERMIT FOR THE LAND DISTURBANCE SHOWN. i �CO COR/TO ROVIDE �j 2. THE CONTRACTOR IS TO OBTAIN ALL NECESSARY PERMITS FOR MODIFICATIONS TO LAND DISTURBANCE ACTIVITIES, IF NECESSARY. I I I I LIMITS OF PROPOSED / / ferry I E 0 ERISTING RACK,* a ! ! Jill TURF SYSTEM f m RI C NST CTION jp 3. THE CONTRACTOR IS TO INSTALL THE PHASE I&II E&S CONiOL MEASURES INCLUDING: SILT FENCE, INLET PROTECTION, GATE AND CONSTRUCTION �tiiAAA IR AMP/ E TO T CK. /y V /� ENTRANCE. V 4. THE CONTRACTOR IS TO ESTABLISH THE LAYDOWN/STORAGE AREA (PER STOCKPILE E&S REGULATIONS) AND THE PARKING AND MESS \ \\\\ \ \ C NMCTOR/TO // / ! CONSOLIDATION AREA ALONG WITH THE PERIMETER E&S PROTECTION MEASURES. 'II111'111' \ I \\ \`���NG ✓ / LI AN AIN f J� j \ `` 5 PHASEDNCONSTRUCTION OFOR IS TO THIS CT THE PROJECT IS ANTICI ANTICIPATED. NO MORTO TURF FIELD E THAN 1 VERSION FOR OF THE PROJECT AREAILL BE DENUDED OF '11,1111 ` \�\ �'\,A/Mp �"' PROVIDE ACC \ ss; _ _ _ - - - _ VEGETATION AT ANY GIVEN TIME. THE FIRST CONSTRUCTION PHASE NEEDS TO HAVE THE POROUS GEOTEXTiLE LINER INSTALLED, THE 4" {�57 CLOCK \ (Ex.) TO (PROJECT I / / ti STONE IN PLACE, AND THE UNDERDRAIN SYSTEM TIED IN PRIOR TO MOVING TO THE SECOND CONSTRUCTION PHASE. THIS LIMITS THE g 1 �5J DURING -�'_� ��� - _ _ DENUDED AREA EXPOSURE (THAT PRODUCES SEDIMENT RUNOFF) TO LES THAN ONE ACRE AT A TIME AT THE END OF EACH DAY THE \\II\\ \ \ P COPSTRUCTI0I(1 UNDERLAYMENT (GEOTIXTILE FABRIC) NEEDS TO BE ROLLED UP OVER THE EDGES TO ACT AS A PROTECTION FROM SEDIMENT WASHING INTO ` l \\\\� \\ \ \\ `\\\� \� 5 /S•• BENCHMARK, Pt. / CONTRACTOR'T0 P 'S'L\�� �\ \ THE STONE BED. THIS WILL ACT AS A SEDIMENT CONTROL MEASURE. THE TRENCH AND UNDERDRAIN AT THE PERIMETER OF THE FIELD "D' ZONE \� n a �I SID \ SHOULD ONLY BE INSTALLED AFTER THE MAJORITY OF THE FIELD IS GRADED AND GRAVELED. IF THE TRENCH AND UNDERDRAIN ARE INSTALLED / �� \Cq j REBAR AND CAP I CU B, AND ASPH - \ IN THE FIRST STAGES OF CONSTRUCTION PRIOR TO THE MAJORITY OF EARTHWORK, A SIGNIFICANT AMOUNT OF SEDIMENT WILL LIKELY CHOKE OF \ \ \\ \\\\ \ \ SCORE BOARD 5 j ELEV.=410.08 I �5y �� IF \ y WAL _ G'� CO R \ �\ THE SOIL (LIMITING INFILTRATION) AND BE LOST THROUGH THE PIPE SYSTEM. / \ \ \ \\\\\\ \ \\ FLAG PER PHASE: g /gC / (IXV \ \ \ POLE / �N�'y� - 5>✓ -493- \ \\ "VIC\\ \ -REMOVE THE EXISTING IRRIGATION SYSTEM FROM BENEATH THE FIELD CONVERSION AREA \\ \\ \ \ \ \\\ \ \ It PER / -CLEAR AND GRUB FIELD AREA, REMOVE EXCESS SOIL MATERIAL, FINISH GRADE SUBGRADE -INSTALL POROUS LINER AND 4" OF X57 STONE FOR FIELD AREA -EXCAVATE UNDERDRAIN TRENCHES AROUND PERIMETER OF FIELD AND INSTALL POROUS LINER -INSTALL 10" PERFORATED COLLECTOR PIPE AND CONNECT TO THE EXISTING INLETS AS SHOWN ON THE PLANS h�2 �/ -INSTALL (157 STONE WITHIN THE UNDERDRAIN TRENCHES \\\ N CONTRACTOR LA OWN/��GE AREA \ / / / ALL PHASES: \\\ \ \ \ \\ \\\ n (CONTR4CTOR I RESPON�SIBLE FOR I -DO ALL ABOVE STEPS TO EACH CONSTRUCTION PHASE \\\\\xSECURING ALL MATERI� AND ®� / r�T / �L _ // / -ADD 2" /8 STONE CAP AND INSTALL TURF SYSTEM (WITH INFILL) FOR ENTIRE PROJECT AREA \ \ \ \ \ \ \\\ \ m x,---_.EQUIPMENT)I I �/ I / HIGH JUMP �` - 6. THE CONTRACTOR IS TO REMOVE ALL TEMPORARY EROSION AND SEDIMENT CONTROL DEVICES ONCE ALL AREAS ARE STABILIZE. AREA CE CTO�1i /+ / _ � / DRAINAGE/STORMWATER MANAGEMENT CALCULATION VERIFICATION J PAR A�1O NES I// �` --� THE EXISTING AND PROPOSED SURFACES WITHIN THE PROJECT AREA WILL BE UNCHANGED WITH THE RENOVATION OF THIS SPORTS PLAYING FIELD. CON OUbX / I9 R T - /�_ NO NEW IMPERVIOUS AREA WILL BE ADDED BY THIS PROJECT THUS THE PROPOSED AND EXISTING RUNOFF VOLUMES AND TIME OF CONCENTRATION \ \ \( - \\ Q�l�/ WILL BE SIMILAR AND ARE DOCUMENTED IN THE PROJECT ASSOCIATED STORMWATER MANAGEMENT BOOKLET ENTITLED *ALBEMARLE COUNTY PUBLIC -Z-7- �\ _ / SCHOOLS MONTICELLO HIGH SCHOOL STADIUM TURF REPLACEMENT MINOR SITE PLAN AMENDMENT AND EROSION AND SEDIMENT CONTROL PLAN _ _ _ _ _ - - `\ / / / / / -� STORMWATER MANAGEMENT ANALYSIS", DATED MAY 2009. THE PEAK DISCHARGE TO THE EXISTING SYSTEM FOR THE 2 AND 10 YEAR STORMS WILL / / f / / BE REDUCED BY THIS PROJECT. AN OPPORTUNITY FOR GROUNDWATER RECHARGE IS AVAILABLE WITH THIS PROJECT DUE TO THE DESIGN UTILIZING / i / i / i / � I A POROUS LINER. SCALE 0' 30' 60' HORIZONTAL oq No. I DATE I BY I Description REVISIONS SEK DRAWN BY RSN APPROVED BY KWW CHECKED BY MAY 2009 DATE 1114= EXISTING CONDITIONS, E&S CONTROL PLAN AND LEGEND PROJECT NO. 50020623 C1 1A SHEET NO. 7 OF 10 12C 63B 56C 77 12D 32C 13C 72C3 51C 71B PROJECT AREA 56C �ry 638 �0 SOIL BOUNDARY MAP SCALE 1"=300' SOIL LABEL SOIL NAME HYDROLOGIC SOIL GROUP 13C CATOCTIN C 51C MANTEO C/D 72C3 RABUN B 77 RIVERVIEW-CHEWACLA B/C NOTE: PROJECT AREA CURRENTLY IN FILL SOILS PER 1996 CONSTRUCTION PLANS OUTFALL INTO TRENCH ONLY (DO NOT TIE IN TO COLLECTOR EXISTING PERFORATED UNDERDRAIN PIPE HJT ���e�t f'�i���1\� -a.✓� . �l��1p: �� •tel • i \��'\ GRAVEL FILT RUNOFF WATER '-moi.:: CONCRETE GUTTER WIRE MESH FILTERED WATER SPECIFIC APPLICATION THIS METHOD OF INLET PROTECTION IS APPLICABLE AT CURB INLETS WHERE PONDING IN FRONT OF THE STRUCTURE IS NOT LIKELY TO CAUSE INCONVENIENCE OR DAMAGE TO ADJACENT STRUCTURES AND UNPROTECTED ZGRAVEL SHALL BE VDOT 13, /357 OR 5 COARSE AGGREGATE GRAVEL CURB INLET © PROTECTION N.T.S. Slope to Drain CONSTRUCTION OF A SILT FENCE (WITHOUT WIRE SUPPORT) 1. SET THE STAKES. 2. EXCAVATE A 4X 4" TRENCH UPSLOPE ALONG THE LINE OF w T FLOWW� J. STAPLE FILTER MATERIAL 4, BACKFILL AND COMPACT TO STAKES AND EXTEND THE EXCAVATED SOIL. IT INTO THE TRENCH. SNE£T PLOW IN57ALLANON (PERSPECTIVE NEW) SOURCE: VA. DSWC 07-61 O PLATE 3.07-0 WVaries APPLICATION DATES TrOP 1. CONTRACTOR TO VERIFY EXISTING UNDERDRAIN CONNECTIONS PRIOR TO L� W Feb. 16 -AW. 30 2. DISCONNECT UNDERDRAINS FLOWING IN FROM THE NORTH AND SOUTH ON STRUCTURES EX 4 AND ro 3. DISCONNECT Y FLOWING IN FROM THE NORTH ON STRUCTURES EX 5 AND EX 11 (IF CONNECTION EXISTS). PROPOSED UNDERORAINS FLOWING IN FROM THE SOUTH ON STRUCTURES EX 3 AND EX x UNDERDRAIN UNDERDRAIN DISCONNECT DETAIL Do OUT use as mulch for MACHINED N.T.S. PIPE Z SECTION A -A it 3 EXTEN SHEET 4 OF SPXFCATRN Com Stalks 4 - 6 tom CL Cut Or shredded in 4-6" MFUEI STANDARD MANHOLE FRAME AND COVER 224 use in fine turf areas- Apply PLAN VIEW " UNDERDRAIN HOLE ON INLET NOTE: APPLICATION DATES TrOP 1. CONTRACTOR TO VERIFY EXISTING UNDERDRAIN CONNECTIONS PRIOR TO CONSTRUCTION. Feb. 16 -AW. 30 2. DISCONNECT UNDERDRAINS FLOWING IN FROM THE NORTH AND SOUTH ON STRUCTURES EX 4 AND EX 9 (IF CONNECTION EXISTS). 3. DISCONNECT UNDERDRAINS FLOWING IN FROM THE NORTH ON STRUCTURES EX 5 AND EX 11 (IF CONNECTION EXISTS). 4. DISCONNECT UNDERORAINS FLOWING IN FROM THE SOUTH ON STRUCTURES EX 3 AND EX 8 (IF CONNECTION EXISTS). EXISTING UNDERDRAIN DISCONNECT DETAIL Do OUT use as mulch for MACHINED N.T.S. POINTS A SHOULD BE HIGHER THAN POINT B. DRAINAG£WAY INSTALLATION (FRONT ELEVATION) SILT FENCE NDS Rotund Polyolefin Grate with U.V. Inhibitors or approved equal SIODS to Drain Compacted Soil NDS /66-12" Sewer and Drain Riser P!pe (Length as Required) or Approwed Equal NDS )/4 Bend Sewer and Drain Elbow or Approwed Equal 12" Seweer and Drain Pipe Compacted and Crushed Stone NDS ROUND GRATE WITH SEWER & DRAIN ELBOW NOT TO SCALE I%- IMH-1 " COVER A Q I❑ O NON -TRAFFIC CONDITIONS }A1 ;O 11 El [❑ ❑❑❑p �, 1}A 1..� ❑ ❑ ❑ ❑ 1 J IN. a. o. IT. l LETTERING CID OPTIONAL , O❑❑10 ❑❑❑❑/ 5. ❑ID❑❑❑," B tl1 ❑ ❑ D �' AFPROX. WEIGHT COVER 80 LBS. ± TOP u" dA SEC -TION A -A �T „ MACHINED " COVER B TRAFFIC 01i ��]❑13 1-�-(, - CONDITIONS i A O❑1�E�QESOi) , A N. A L foo-�rsa.1 -°EJ; LETTERING't ❑I--�/ ry on, OPTIONAL- ATJ L -r ❑ LL -J t s E� l. -I .l ❑ / / MPROXWEIGHT tit C� tj C7 COVER 1D5 LBS. 4 FRAME APPLICATION DATES TrOP AI'PLICATLON RATES EITHER COVER A OR 8 MAY BE USED WITH FRAME. 50/50 MIx Q FvnuelR "I,,, (JOINT, mht? flprun)a CerOM(Wkbv) Rye(Secak owe") 604W(Ibe/ave) Feb. 16 -AW. 30 IPPROX. WEIGHT COVER OD LBS. 60-100 (6ulaoe) :22" DIA Gwmen MAIN so fnw Pre) MAY 2009 (Minimum 2 1i�TJi- matter. Must be anchored- nchoredtom � tonsfor } Spread with mukh blower winter cover) Or by hand Fber Mulch Ys"� � ItYi' 35 lbs. Do OUT use as mulch for MACHINED 150D lbs. winter cover or during hot, SECTION A -A dy periods.' Apply as SHEET 4 OF SPXFCATRN Com Stalks 4 - 6 tom 195 - 275 tbs. Cut Or shredded in 4-6" MFUEI STANDARD MANHOLE FRAME AND COVER 224 use in fine turf areas- Apply 302 VIRGINIA DECARtMENT OF TRANSPORTATION REV. 7/0: ® TABLE 3.01-8 (Y SEEC June 2003) TEMPORARY 9ENCE F R ALL REGIONS S QUICK REFERENCE FOR ALL REGIONS e AgM1610-1anrelo-wNanba4solb../aaat«4oms./1.o9D n) • Appy un Pulvw'"d AsFteuNl UMQIM m e[ a rete Q2 M .I.. (w 9po lbs. 11.000 NOTE: aa. rt.) 1 - A sal lest is narosaery b dabrmine,e equal a,w, Of WM rearved b a*W fts,R PH of sue. 2-Mmryaab fire lirrro ery IeNllxw i,p,eNOP<-8 irldros Of ft ad BY dM6j119 Or by Other sane. 3 -_ WAen epplyNq SbMy Available Nlbtpen, use rebs eveNlMa In Fmnn a e.aA"-.. n-.-. �_ _._ I O 3 TABLE .32-0 (Ra ABLE 3.3 2009) PERMANENT SEEDING SPECIFICAM" FOR PIEDMONT AREA • Appy PtTVO OfiralneralafLITW ,Onn /awe fOf l2 pls.l 1,000 a 4. R) • GPM' Pulvertrad apdwllurM LMWe4pro Q a Cote Q z loneyave NOTE: -A sin NAI k neoevay b debrmine the 1CIIIBI NnPu, Qllme reWlmd b eQlpt me sail PN OI GIM. -IM.o - WPIpine AryferlAaer Mo nro IOP 4-8 hvJles Qthe yell by daM1g atry Omerrtroarle. Vrhen awNhTlre SfoWlq Available TABLE 335-A APPLICATION DATES SPECIES AI'PLICATLON RATES Sept t - Feb. 15 50/50 MIx Q FvnuelR "I,,, (JOINT, mht? flprun)a CerOM(Wkbv) Rye(Secak owe") 604W(Ibe/ave) Feb. 16 -AW. 30 Mrwal RyNyr pOW,. mW&varum) 60-100 (6ulaoe) May 1 -Aug. 31 Gwmen MAIN so fnw Pre) e AgM1610-1anrelo-wNanba4solb../aaat«4oms./1.o9D n) • Appy un Pulvw'"d AsFteuNl UMQIM m e[ a rete Q2 M .I.. (w 9po lbs. 11.000 NOTE: aa. rt.) 1 - A sal lest is narosaery b dabrmine,e equal a,w, Of WM rearved b a*W fts,R PH of sue. 2-Mmryaab fire lirrro ery IeNllxw i,p,eNOP<-8 irldros Of ft ad BY dM6j119 Or by Other sane. 3 -_ WAen epplyNq SbMy Available Nlbtpen, use rebs eveNlMa In Fmnn a e.aA"-.. n-.-. �_ _._ I O 3 TABLE .32-0 (Ra ABLE 3.3 2009) PERMANENT SEEDING SPECIFICAM" FOR PIEDMONT AREA • Appy PtTVO OfiralneralafLITW ,Onn /awe fOf l2 pls.l 1,000 a 4. R) • GPM' Pulvertrad apdwllurM LMWe4pro Q a Cote Q z loneyave NOTE: -A sin NAI k neoevay b debrmine the 1CIIIBI NnPu, Qllme reWlmd b eQlpt me sail PN OI GIM. -IM.o - WPIpine AryferlAaer Mo nro IOP 4-8 hvJles Qthe yell by daM1g atry Omerrtroarle. Vrhen awNhTlre SfoWlq Available TABLE 335-A ORGANIC MULCH MATERIALS AND APPLICATION RATES RATES: DRAWN BY MULCHES—Per NOTES: Acre Per 1000 sq. ft. Straw or Hay 1N - 2 mm 70 - 90 lbs, Fra from weeds and coarse MAY 2009 (Minimum 2 matter. Must be anchored- nchoredtom DETAILS tonsfor 50020623 Spread with mukh blower winter cover) Or by hand Fber Mulch Minimum 35 lbs. Do OUT use as mulch for 150D lbs. winter cover or during hot, dy periods.' Apply as Slurry. Com Stalks 4 - 6 tom 195 - 275 tbs. Cut Or shredded in 4-6" lengths. Air-dried. Do not use in fine turf areas- Apply with mulch blower or by hand - Wood Chips 4 - 6 tom 185 - 275 lbs. Free of Coarse matter. Air- dried- Treat with 12 lbs nitrogen per ton. Do not use in fine turf areas. Apply with mulch blower, chip hancff r, or by hand. Bark Chips 50 - 70 on. 1-2 a, yds. Fra of coarse matter. Air - or yds. dried. Do not use in fine Shredded turf areas. Apply with Bark mulcb blower, chip handler, or by hand. e When fiber mulch Is the only available mulch during periods when straw Should be used, apply at a minimum rate of 2000 lbs./ac. or 45 lbs./1000 sq, fL Source: Va. DSWC 2 X 4' NOW FWME ELEVATION OF STAKE AND DETAIL A FABRIC ORIENTATION SPECIFIC APPIMATION THIS METHOD OF INLET PROTECTION IS APPUC49LE WHERE THE INLET DRAINS A RELATIVELY FLAT AREA (SLOPE NO GREATER THAN SX) WHERE THE INLET SHEET OR OVERLAND FLOWS (NOT EXCEEDING 1 C.F.S.) ARE TYPICAL. THE METHOD SHALL NOT APPLY TD INLETS RECEIVING CONCENWTED FLOWS SUCH AS IN STREET OR HIGHWAY MEDIANS. SILT FENCE DROP INLET It PROTECTION SOURCE: N.C. 6rei0n jgd s. i, nt Control El gd �M,^� Yee,el 1988 PLATE 3.07-1 STONE CONSTRUCTION ENTRANCE ® )d Nr` rm7w AI h1FMIF�r am CWTH I eARa I A I -(MOUNIVISUE aaw / SIDE ELEVATION alpxvc 1 1a' Nw �:iIIIIIIIIII �f�F�l.�' SECTION B -B Dewberry Dewberry & Davis, Inc. 4160 bneNa, Dd1 Glen ARM. V0961e 23080 PHONE: 664290.]95] FAX 606.290.1828 www.dOWbeny.to, F- Z �cc W g 0 _j zo r W CC <ZO z JgF. cc ca CLZ > a0WW LL 2 1- ZC/) cr:W w O0z10 0 U=�Z W Q i JOZZ = a J W O U wUW0 QOZ�w 2W/T�Z Im Q SEAL 3RTS. NCTTE IN 2 0� v SEAL REVISIONS SEK DRAWN BY RSN APPROVED BY CHECKED BY KWW DATE MAY 2009 TITLE E&S DETAILS PROJECT NO. 50020623 SECTION SECTION B -B Dewberry Dewberry & Davis, Inc. 4160 bneNa, Dd1 Glen ARM. V0961e 23080 PHONE: 664290.]95] FAX 606.290.1828 www.dOWbeny.to, F- Z �cc W g 0 _j zo r W CC <ZO z JgF. cc ca CLZ > a0WW LL 2 1- ZC/) cr:W w O0z10 0 U=�Z W Q i JOZZ = a J W O U wUW0 QOZ�w 2W/T�Z Im Q SEAL 3RTS. NCTTE IN 2 0� v SEAL REVISIONS SEK DRAWN BY RSN APPROVED BY CHECKED BY KWW DATE MAY 2009 TITLE E&S DETAILS PROJECT NO. 50020623 C24A SHEET NO. 10 OF 10 GLUE CARPET OF GLUE CARPET OF SYNTHETIC TURF ANT CARPET SYNTHETIC TURF TO CLOSED CELL FOAM PAD D COVER TO CLOSED CELL 1" CLOSED CELL FOAM 1" CLOSED CELL FOAM FOAM PAD PAD (GLUE FOAM PAD PAD (GLUE FOAM PAD TO MANHOLE COVER) TO MANHOLE FRAME AND CONCRETE RING) . . . � . . . . � � -� � � � � � � � � � -� � � . . . . w w w • . W v v . w v v .W ♦ ♦ W _,W W W ♦ W ♦ W W W ♦ W 'W W -♦ •W •W w ♦ W ♦ ♦ W •W ♦ - W 'W 4 ♦ ♦ W ♦ ♦ ♦ ♦ ♦ W ♦ ♦ W ♦ A -W ♦ W -W w W •W ♦ ♦ W ♦ ♦ .� V w w W ♦ •W REPLACE GRATE WITH MANHOLE FRAME AND COVER REMOVE EXISTING GRATE AND ADJUST TOP AS REQUIRED EXISTING STRUCTURE NOTES 1. APPLIES TO STRUCTURES EX 3, EX 4, EX 5, AND EX 9. THE TURF IS TO BE PRECUT AT STRUCTURES EX 3 AND EX 5. THE TURF IS TO BE LEFT UNCUT AT STRUCTURES EX 4 AND EX 9. 2. ALL SIX EXISTING STRUCTURES AROUND FIELD SHALL BE MARKED WITH A 4" YELLOW DOT. GSV/SPORTS CONSTRUCTION MANAGEMENT STORM STRUCTURE ACCESS DETAIL N.T.S.