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Home My WebLink AboutSDP201900055 Plan - Approved Initial Site Plan 2019-10-24® GRIMM AND PARKER, P.C. 2014 �14 1Z 10 7 C� 5 0 2 M L K J H G F J C SITE DATA: ENGINEER: TIMMONS GROUP 608 PRESTON AVENUE, SUITE 200 CHARLOTTESVILLE, VA 22903 TELEPHONE: 434-327-1681 CONTACT: JONATHAN SHOWALTER, P.E. JONATHAN.SHOWALTER@TIMMONS.COM TAX MAP PARCEL: 13000-00-00-025PO LIMITS OF DISTURBANCE: 2.65 ACRES SETBACK: 75' FRONT 25' SIDE 35' REAR ZONING: RA MAGISTERIAL DISTRICT: SCOTTSVILLE SOURCE OF BOUNDARY AND TOPOGRAPHY: TIMMONS GROUP. 28 IMPERIAL DRIVE STAUNTON, VA 24401 (540)-885-0786 SOURCE TOPOGRAPHY: TIMMONS GROUP, MAY 2, 2019 DATUM: HORIZONTAL: NAD83 VIRGINIA STATE GRID SOUTH ZONE VERTICAL: NAVD88 ESTABLISHED THROUGH LEICA SMARTNET SITE AREA: 14.7 ACRES PROPOSED USES: ELEMENTARY SCHOOL ADDITIONS BUILDING AREA: 16,400 S.F. ADDITIONS BUILDING HEIGHT: 26'-0" PARKING COUNT: PRE -DEVELOPMENT TOTAL: 72 SPACES PARKING SPACES REMOVED: 15 SPACES PARKING SPACES ADDED: 13 SPACES POST -DEVELOPMENT TOTAL: 70 SPACES WETLAND IMPACTS: NONE WATER SUPPLY: EX. ONSITE WELL SANITARY SEWER: EXISTING ONSITE DRAINFIELD DRAINAGE DISTRICT: MIDDLE JAMES-BUFFALO THERE ARE NO 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. SCOTTSVILLE ELEMENTARY SCHOOL ADDITION COUNTY OF ALBEMARLE, VIRGINIA SCOTTSVILLE DISTRICT 9/9/2019 VICINITY MAP SCALE 111 = 2000' 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 AVENUE, SUITE 200 CHARLOTTESVILLE, VA 22903 CONTACT: ]ONATHAN SHOWALTER, P.E. TELEPHONE: 434-327-1681 Sheet List Table Sheet Number Sheet Title C0.0 COVER C1.0 NOTES & DETAILS CIA NOTES & DETAILS C2.0 EXISTING CONDITIONS C2.1 DEMOLITION PLAN C3.0 EROSION & SEDIMENT NOTES & DETAILS C3.1 EROSION & SEDIMENT NOTES & DETAILS C3.2 EROSION & SEDIMENT CONTROL PLAN - PHASE I C3.3 EROSION & SEDIMENT CONTROL PLAN - PHASE II C4.0 LAYOUT PLAN C5.0 GRADING & DRAINAGE PLAN C5.1 GRADING SPOT SHOTS PLAN C5.2 STORMWATER SUMMARY PLAN C6.0 STORMWATER MANAGEMENT PLAN C7.0 STORMWATER PROFILES L1.0 LANDSCAPE PLAN L2.0 LANDSCAPE NOTES AND DETAILS TOTAL SHEETS = 17 Submittal Type Reviewed and Approved by the Community Development Department Date (nl7-4 /�.aa File# S • Zo►q• 0-Po w- i nature 9 4.1'tN �vmbNS 0■ cA 0 � • • ago (A o > IW • Z N • 0 V a • 6 X10 z PC 4e �n K J N o H O U 0 L c/) > M Q- c LO N v,o=4 E W N O ' M M c%4co0I-- L G ; z F C E GP #21850 Z � O t - -� o w c= I J c> cry o F~- D V 0 cz.) U Q to w w w � J W J W � t— a C W �, > cn c--:) UD 0 040c> U � GC> CXD DESCRIPTION DATE C0.0 17 15 iVA 131 121 111 101 9 81 71. 61 51 41 3 9/9119 ® GRIMM AND PARKER, P.C. E14 I A 181 171 161 151 141 131 121 ill 101 91 81 71 61 51 41 31 21 1 ©GRIMM AND PARKER, P.C. 2014 LEGEND GENERAL NOTES ROADS GRADING I'A 1 Al 1 NAATFRIAI5 ANn CONSTRUCTION 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 TRAFFIC STOP BAR TC = TOP OF CURB � EP =EDGE OF PAVEMENT 0 0�__ 2.0" BITUMINOUS CONCRETE SURFACE COURSE - M-9.5A (PLACED IN SINGLE LIFT) 6' APPROVAL OF THE PLANS BY ALL FEDERAL, STATE AND LOCAL AGENCIES. STORM PIPE &STRUCTURE N0. EX. -EXISTING 9--& 3. LAND USE PERMITS (LUP-A) MUST BE OBTAINED FROM THE VIRGINIA DEPARTMENT OF TRANSPORTATION OF WAY 4" DIAMETER STEEL O DROP INLET & STRUCTURE NO. PROP. =PROPOSED 0 0 0 0 0 8" TYPE 21 B AGGREGATE BASE COURSE 4 ;0 1? � PRIOR TO BEGINNING ANY CONSTRUCTION WITHIN THE EXISTING STATE MAINTAINED RIGHT ° PIPE FILLED WITH APPROX. =APPROXIMATELY o 4. THE CONTRACTOR SHALL VERIFY THE ELEVATIONS OF ALL POINTS OF CONNECTION OR PROPOSED WORK CONCRETE. BOLLARD CURB '\//\//\//\//\//\//\//\//�F. COMPACTED SUBGRADE y `}`� TO EXISTING CURBS, SANITARY LINES, WATERLINES, ETC, PRIOR TO CONSTRUCTION. SHALL BE PAINTED M 5. UPON DISCOVERY OF SOILS THAT ARE UNSUITABLE FOR FOUNDATIONS, SUBGRADES, OR OTHER ROADWAY YELLOW CURB & GUTTER M 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 4' - - 200 - -- EXISTING CONTOUR DENOTES LIGHT DUTY ASPHALT PAVEMENT ON PLANS MATERIAL AND COMPACTED IN ACCORDANCE WITH CURRENT. 6. ALL STORM SEWER DESIGN AND CONSTRUCTION TO BE IN ACCORDANCE WITH VDOT I AND I LD-94 (D) °s PAVEMENT 200 PROPOSED CONTOUR ui 121.13. TC 240.5 PROPOSED SPOT ELEVATION 7. ALL STORM SEWER PIPE SHALL BE REINFORCED TONGUE AND GROVE CONCRETE PIPE IN ACCORDANCE 2'-0" DIAMETER PARKING COUNT CONC. FOOTING WITH ASTM-C-76. PIPE WITHIN THE RIGHT OF WAY SHALL BE MINIMUM CLASS Ill OR GREATER IN 0 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 LIGHT DUTY ASPHALT PAVEMENT SECTION DRAWING DETAILS FOR REVIEW. CERTIFICATION AND VDOT STAMP WILL BE REQUIRED ON ALL UNITS. 1.5"DIA GALV. No Scale 9. ALL CONCRETE SHALL BE A3-AE (AIR ENTRAINED 3,000 PSI), UNLESS OTHERWISE NOTED. %/� ��/\\�// a ��// //�//��/\�/j RAIL (TYP.) 12" MIN C � 10. DESIGN CHANGES, SPECIFIED MATERIALS CHANGES AND/OR FIELD CHANGES FROM THE APPROVED PLANS \/ i \ /,\/L/\/ (TYP.) R=Y411 CONTROL JOINT SPACED Le NEED TO BE RESUBMITTED TO THE ENGINEER PRIOR TO PROCEEDING WITH THE WORK. A LETTER OF 3.5' AT WIDTH OF WALK (MAXIMUM) i L EXPLANATION SHALL ACCOMPANY THE REVISED PLANS AND/OR THE DRAINAGE CALCULATIONS, WHICH MUST BE SUBMITTED AND APPROVED BY THE ENGINEER. ° EXPANSION JOINT AT MAX OF 30', WITH uj It CONTRACTOR SHALL VERIFY LOCATION AND ELEVATION OF ALL UNDERGROUND UTILITIES SHOWN ON PLANS ° i PREMOLDED EXPANSION FILLER > IN AREAS OF CONSTRUCTION PRIOR TO STARTING WORK. CONTACT ENGINEER IMMEDIATELY IF LOCATION 31-011 �a W OR ELEVATION IS DIFFERENT FROM THAT SHOWN ON PLAN. IF THERE APPEARS TO BE A CONFLICT, AND/OR UP ON DISCOVERY OF ANY UTILITY NOT SHOWN ON THIS PLAN, CALL MISS UTILITY OF CENTRAL VIRGINIA AT (�'P) EXP. V 1-800-552-7001, THE OWNER SHALL BE RESPONSIBLE FOR THE RELOCATION OF ANY UTILITY WITHIN EXISTING JOINT , AND/OR PROPOSED RIGHT-OF-WAY REQUIRED BY THE DEVELOPMENT. BOLLARD DETAIL 12" MIN GRA EE© , 0 Z 12. THE INSTALLATION OF SEWER, WATER, AND GAS MAINS (INCLUDING SERVICE LATERALS AND SLEEVES) No Scale (TYP.) 12" CONC. WALK • O SHALL BE COMPLETED PRIOR TO THE PLACEMENT OF AGGREGATE BASE COURSE. (TYP.) CONCRETE 13. ALBEMARLE COUNTY APPROVAL OF CONSTRUCTION PLANS DOES NOT PRECLUDE THE RIGHT TO REQUIRE ° ADDITIONAL FACILITIES AS DEEMED NECESSARY. CONCRETE BUMPER BLOCK 3'-0" ° 11 . ; 14. A PRIME COAT SEAL BETWEEN THE AGGREGATE BASE AND BITUMINOUS CONCRETE WILL BE REQUIRED AT ANCHOR WITH 5/8 REBAR .) ° ° IMBEDDED 24 IN GROUND (MAX.)Ma ° ° • �° ° ° � a < ° a ° ° ° • ° � °° , a • aj °°, � � THE RATE OF 0.30 GALLONS PER SQUARE YARD (AEC-250 PRIME COAT) PER VDOT STANDARDS AND HANDICAP SIGN ° ° • ° FINISHED 1/8" a ° ° ° a ° a ° a ° ° = K K SPECIFICATIONS. LOCATION (VAN) ° 15. THE SCHEDULING OF AGGREGATE BASE INSTALLATION AND SUBSEQUENT PAVING ACTIVITIES SHALL HANDICAP SIGN GRADE WASH 1'-4" 0 Q LOCATION (TYP.)g�� o 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ACCOMMODATE FORECAST WEATHER CONDITIONS PER SECTION 315 OF THE ROAD AND BRIDGE JEX SPECIFICATIONS. ° ° ° . ° 5" CORE DRILL CONCRETE FOR\��\/\/\/\/�\/�\/�\/�\/�\/�\/�\/�\ 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 HANDRAIL POST, EMBED HANDRAIL ASURFACE COURSE(S). CONTACT THE OWNER FOR INSPECTION FOR THE AGGREGATE BASE COURSES) 48 EOP FACE OF MINIMUM OF 6" BELOW FINISHEDCOMPACTED SUBGRADE 4" 21-B STONE CURB GRADE AND GROUT TO THE FULL HOURS PRIOR TO APPLICATION OF THE SURFACE COURSE(S). PAINTED17. A GEOTECHNICAL ENGINEER IS TO ASCERTAIN CAUSE AND CERTIFY RECOMMENDED METHOD OF REPAIR PER 2%MAX. 18' 18' 8" 5" # 57 STONE DEPTH OF EMBEDMENT (TYP.) FOR ALL PAVEMENT STRUCTURAL FAILURES PRIOR TO STATE ACCEPTANCE. (N/A) 4„ VDOT I NOTES: 18. ALL VEGETATION AND ORGANIC MATERIAL MATERIAL IS TO BE REMOVED FROM THE PROPOSED PAVEMENT SPEC. PAINTED ° a + #3 REBAR (12" O.C.) LIMITS PRIOR TO CONDITIONING OF THE SUBGRADE. STRIPE 1�_p 9" ' ° ° ' ° (2) #5 REBARS, BOTTOM CONTINUOUS, 1. FINE BROOM FINISH ALL STAIRS. CONCRETE SIDEWALK JOINT DETAIL (TYPICAL) LAP 2'-2" AT SPLICES 2• RAIL ON BOTH SIDES OF STEPS (IF No Scale 19. CERTIFICATION AND SOURCE OF MATERIALS ARE TO BE SUBMITTED TO THE OWNER FOR ALL MATERIALS 81 5' 8' 8' 8' I 9' 1 _ 3 NOTED) AND BE IN ACCORDANCE WITH THE ROAD AND BRIDGE SPECIFICATIONS, AND ROAD AND BRIDGE -'� . STANDARDS. TYPICAL VAN COMPACTED SUBGRADE 3. SEE PLAN FOR RISER HEIGHT VARIABLE WIDTH' 20. ALL APPROACH GUTTERS TO SAG INLETS SHALL MAINTAIN A MINIMUM SLOPE OF 0.004 ft./ft. ACCESSIBLE ACCESSIBLE 4. MAX. CENTER TO CENTER SPACING MAX. CROSS SLOPE 2% J 3" NON -SLIP BROOM FINISH BETWEEN STAIR POST TO BE 6'. ADD 21. ALL NEW HANDICAP ACCESSIBLE REQUIREMENTS ON -SITE AND WITHIN ALL NEW STRUCTURES SHALL HANDICAP SPACES REGULAR SPACE 1'-4" CENTER POST IF NECESSARY TO COMPLY WITH THE 2009 UNIFORM STATEWIDE BUILDING CODE, 2009 VIRGINIA CONSTRUCTION CODE, 2010 MAINTAIN MAX. SPACING jM M/ /\� a a � ADA STANDARDS FOR ACCESSIBLE DESIGN AND ICC/ANSI A117.1-03. 22. REFER TO SHEET L1.0 FOR ALL LANDSCAPING GENERAL NOTES. TYPICAL PARKING SPACE DETAILS o 0 0 0 0 0 0 0 0 0 23. VISIBILITY OF ALL MECHANICAL EQUIPMENT FROM THE ENTRANCE CORRIDOR SHALL BE ELIMINATED. EXTERIOR STAIRS No Scale No Scale " 4" 3,000 PSI AIR -ENTRAINED GENERAL CONSTRUCTION NOTES FOR EROSION AND CONCRETE SEDIMENT CONTROL SIGNAGE NOTES COMPACTED SUBGRADE 4" TYPE 21B STONE 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 1. ALL SIGNING AND PAVEMENT MARKING SHALL BE IN ACCORDANCE WITH THE MOST CURRENT EDITION OF 7-1/2 NOTE: SIDEWALKS SHALL BE CONSTRUCTED IN 6' LENGTH WEEK PRIOR TO THE FINAL INSPECTION. EACH OF THE FOLLOWING AND ANY REVISION THERETO: 0.5' FROM EP ACCORDANCE WITH VDOT STANDARDS. 2. ALL EROSION AND SEDIMENT CONTROL MEASURES WILL BE CONSTRUCTED AND MAINTAINED ACCORDING A. MANUAL ON UNIFORM TRAFFIC CONTROL DEVICES. H TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA EROSION AND SEDIMENT CONTROL B. THE VIRGINIA SUPPLEMENT TO THE MANUAL ON UNIFORM TRAFFIC CONTROL DEVICES. 5 H HANDBOOK AND VIRGINIA REGULATIONS VR 625-02-00 EROSION AND SEDIMENT CONTROL REGULATIONS. C. THE VIRGINIA DEPARTMENT OF TRANSPORTATION ROAD AND BRIDGE SPECIFICATIONS. d No 0 e n a CD L 3. ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS THE FIRST STEP IN D. THE 2000 INTERNATIONAL FIRE CODE. N N Y CLEARING. CONCRETE SIDEWALK PAVEMENT SECTION a) Q c'7 � CL 4. A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE MAINTAINED ON THE SITE 2. SIGN LOCATIONS ARE APPROXIMATE AND ARE TO BE MODIFIED IN THE FIELD TO AVOID CONFLICT WITH �- 0 AT ALL TIMES. UNDERGROUND UTILITIES OR OTHER CONSTRUCTIONS, AND TO COMPLY WITH STANDARDS REFERENCED IN NOTE 1 m 0 0 0 0 o NO JEa10 � �� C 5. PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICATED ON THESE ABOVE. 2" ASPHALTIC CONCRETE SURFACE N ;= PLANS (INCLUDING, BUT NOT LIMITED TO, OFF -SITE BORROW OR WASTE AREAS), THE CONTRACTOR SHALL COURSE - SM-9.5A � E SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN TO THE OWNER FOR REVIEW AND APPROVAL BY THE 3. ALL SIGNS AND PAVEMENT MARKINGS ARE TO BE FURNISHED AND INSTALLED BY THE CONTRACTOR. ALL SIGNS TO CD o M PLAN APPROVING AUTHORITY. BE FURNISHED AND INSTALLED WITH STANDARD U POST GALVANIZED BY THE CONTRACTOR. 3" INTERMEDIATE BASE COURSE - BM25.0A 6. THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION CONTROL ! ANCHOR WITH 5/" REBAR o 0 0 0 o N MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS DETERMINED BY THE PLAN IMBEDDED 24" IN GROUND; U) U H 2 PER WHEEL STOP o 0 0 0 0 0 0 8" TYPE 21-B AGGREGATE SUBBASE COURSE APPROVING AUTHORITY. 7. ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL TIMES ry G DURING LAND DISTURBING ACTIVITIES AND DURING SITE DEVELOPMENT UNTIL FINAL STABILIZATION ISLuG ACHIEVED. 24„ PRECAST CONCRETE WHEEL STOP ��;��\;��\;��\;!�\\;��\;!�\\;��\;��' 8. DURING DEWATERING OPERATIONS, WATER WILL BE PUMPED INTO AN APPROVED FILTERING DEVICE. SOLID WHITE LINE 9. THE CONTRACTO R R SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY AND AFTER EACH (TYP') No Scale COMPACTED SUBGRADE ry OD RUNOFF -PRODUCING EVENT. ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EFFECTIVENESSB I OF THE EROSION CONTROL DEVICES SHALL E MADE E IMMEDIATELY. ST DENOTES HEAVY DUTY ASPHALT PAVEMENT ON PLANS 10. ALL FILL MATERIAL TO BE TAKEN FROM AN APPROVED, DESIGNATED BORROW AREA. 4" 4 11. ALL WASTE MATERIALS SHALL BE TAKEN TO AN APPROVED WASTE AREA. EARTH FILL SHALL BE INERT �� 12' ti MATERIALS ONLY, FREE OF ROOTS, STUMPS, WOOD, RUBBISH, AND OTHER DEBRIS. (TYP) TOP OF CURB R=2 STD. 12. BORROW OR WASTE AREAS ARE TO BE RECLAIMED WITHIN 7 DAYS OF COMPLETION PER ZONING R1-1 �� u HEAVY DUTY ASPHALT PAVEMENT SECTION ORDINANCE SECTION 5.1.28. STOP BAR DETAIL NOTE: STOP SIGNS TO BE 30" WITH 6 " No Scale 13. ALL INERT MATERIALS SHALL BE TRANSPORTED IN COMPLIANCE WITH SECTION 13-301 OF THE CODE OF HIGH INTENSITY SHEETING \��\��\ ° ALBEMARLE. NO SCALE EXPANSION JOINT WITH 14. BORROW, FILL OR WASTE ACTIVITY INVOLVING INDUSTRIAL -TYPE POWER EQUIPMENT SHALL BE LIMITED �� PREMOLDED EXPANSION 1/4" SEALANT F TO THE HOURS OF 7:OOAM TO 9:OOPM. �\��\ a ° SURFACE 18' � \ \ °a FILLER, 'ZIP STRIP OR NON -SLIP BROOM FINISH � 15. BORROW, FILL OR WASTE ACTIVITY SHALL BE CONDUCTED IN A SAFE MANNER THAT MAINTAINS LATERAL STRIPING & SIGNAGE NOTES & DETAILS ��j��j� EQUIV., SEAL WITH WWF 6x6 W2.9xW2.9 SUPPORT, OR ORDER TO MINIMIZE ANY HAZARD TO PERSONS, PHYSICAL DAMAGE TO ADJACENT LAND AND No Scale j\� j\� j a ° BASE SILICONE SEALANT 2„ STRUCTURES/IMPROVEMENTS, AND DAMAGE TO ANY PUBLIC STREET BECAUSE OF SLIDES, SINKING, OR COLLAPSE. �� ° a ° < d ° 10" 3,000 PSI AIR ENTRAINED PORTLAND 16. THE DEVELOPER SHALL RESERVE THE RIGHT TO INSTALL, MAINTAIN, REMOVE OR CONVERT TO/�\��\� a , ' ° ° CEMENT CONCRETE GP #21850 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 VA. SIGN FOR THE DISABLED ON 0.80 GAUGE ° a VDOT A-3 CONCRETE PORTION OF THE PROPERTY. ALUMINUM. COLORS: GREEN BORDER & a 6„ $6 i ° a e ° SUBBASE o 0 0 0 0 0 0 17. TEMPORARY STABILIZATION SHALL BE TEMPORARY SEEDING AND MULCHING, SEEDING IS TO BE AT 75 LEGEND, BLUE SYMBOL FOR ACCESSIBILITY, ° a 6" TYPE 21A STONE COVER LBS/ACRE, AND IN THE MONTHS OF SEPTEMBER TO FEBRUARY TO CONSIST A 50/50 MIX OF ANNUAL WHITE BACKGROUND. EP/ FC/GUTTER CEREAL WINTER RYE OR IN MARCH AND APRIL TO CONSIST OF ANNUAL RYE, OR MAY COMPACTED SUBGRADE CBR 11.2) RYEGRASS AND CONTINUE 21B STONE BASE THROUGH AUGUST TO CONSIST OF GERMAN MILLET. STRAW MULCH IS TO BE APPLIED AT 80LBS/100SF. LENGTH AS CONT1 U ALTERNATIVES ARE SUBJECT TO APPROVAL BY THE COUNTY EROSION CONTROL INSPECTOR. RESERVED RE 1 SHOWN ON PLAN 1 FROM ADJACENT PAVEMENT 18. PERMANENT STABILIZATION SHALL BE LIME AND FERTILIZER, PERMANENT SEEDING, AND MULCH. PARKING PARKING SECTION UNDER CURB E DENOTES CONCRETE SERVICE AREA PAVEMENT ON PLANS E 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 CURB CUT DETAIL VDOT STANDARD CG-2 CURB HEAVY DUTY CONCRETE SECTION 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 No Scale No Scale No Scale '6> INSPECTOR. MALTY MkTi zEn 19. MAINTENANCE: ALL MEASURES SHALL BE INSPECTED WEEKLY AND AFTER EACH RAINFALL EVENT. ANY $W-+ORE $N- NO RE O C~ DAMAGE OR CLOGGING TO STRUCTURAL MEASURES SHALL BE REPAIRED IMMEDIATELY. SILT TRAPS TOWAWAY ZOIf T4WAWAYZOPE EXISTING PAVEMENT PROPOSED PAVEMENT �_ .�_ SHALL BE CLEANED WHEN 50% OF THE WET STORAGE VOLUME IS FILLED WITH SEDIMENT. ALL SEEDED M _y AREAS SHALL BE RESEEDED WHEN NECESSARY TO ACHIEVE A GOOD STAND OF GRASS. SILT FENCE AND Ci SAWCUT THROUGH o_ W DIVERSION DYKES WHICH COLLECT SEDIMENT TO HALF THEIR HEIGHT MUST BE CLEANED AND REPAIRED VAN EX. SURFACE w MATCH EX. CROSS SLOPE UNLESS OTHERWISE IMMEDIATELY. 6' ABOVE ACE 6' ABOVE 1 x 5 CAP X COURSE x SPECIFIED ON PLANS 20. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN 30 DAYS OF FINISHED FINISHED 22 -0 w & REMOVE 0 ff FINAL SITE STABILIZATION, WHEN MEASURES ARE NO LONGER NEEDED, SUBJECT TO APPROVAL BY THE GRADE GRADE PAVEMENT D COUNTY EROSION CONTROL INSPECTOR. PROPOSED r 21. THIS PLAN SHALL BE VOID IF THE OWNER DOES NOT OBTAIN A PERMIT WTIHIN 1 YEAR OF THE DATE OF 1 2' MIN. SURFACE APPROVAL. (WATER PROTECTION ORDINANCE SECTION 17-204G.) SPACES SHALL BE IDENTIFIED BY ABOVE GRADE 2" ± COURSE C/3 O 22. PERMANENT VEGETATION SHALL BE INSTALLED ON ALL DENUDED AREAS WITHIN NINE (9) MONTHS AFTER SIGNS AS RESERVED FOR PHYSICALLY 5' J' 3.2' 3.2' J. 3.2' 3.2' J' > -� DISABLED PERSONS. PROVIDE ONE (1) R-7-8 BOLLAEXISTING THE DATE THE LAND DISTURBING ACTIVITY COMMENCED. (WATER PROTECTION ORDINANCE SECTION RD (TYP.) � 4 J SIGN AT EACH PARKING SPACE INDICATED ON '�= V 4 x 4 POST UNLESS PAVEMENT _ 17-2078 SITE PLAN. SIGN SHALL BE ALUMINUM (PAINTED OTHERWISE NOTED ALBEMARLE COUNTY ENGINEERING GENERAL CONSTRUCTION NOTES WHITE) WITH GREEN LETTERS AND ON PANcONC. Z O INTERNATIONAL WHEELCHAIR SYMBOL. SIGN 2 x 4 RAIL PAD I x 6 MILL EX. !J1 1. PRIOR TO ANY CONSTRUCTION WITHIN ANY EXISTING PUBLIC RIGHT OF WAY, INCLUDING CONNECTION TO ANY SHALL BE PLACED ON STEEL POST 1-1/2" 0 (TYP.) TRIMMER SURFACE COURSE W 1 L 1 LJLJ EXISTING ROAD, A PERMIT SHALL BE OBTAINED FROM THE VIRGINIA DEPARTMENT OF TRANSPORTATION PAINTED BLACK SET IN MIN. 2' OF CONCRETE. 5 6 x 6 POSTS (TYP.) (VDOT). THIS PLAN AS DRAWN MAY NOT ACCURATELY REFLECT THE REQUIREMENTS OF THE PERMIT. WHERE 1 x 6 TRIMMER 1 x 6 SAWCUT EX. BASE COURSE 0 J _1 SIDING EDGE OF PAVEMENT AGGR. SASE 1 � 1 -� ANY DISCREPANCIES OCCUR THE REQUIREMENTS OF THE PERMIT SHALL GOVERN. J'-0"06 LJLJ 2. ALL MATERIALS AND CONSTRUCTION METHODS SHALL CONFORM TO CURRENT SPECIFICATIONS AND �J Cn 1 x 6 SIDING OPEN ACCESS SOUTH NOTE: PROPOSED PAVEMENT MUST TIE , ��^^ OUTSIDE ELEVA TION J SIDES IN WITH EXISTING PAVEMENT co - STANDARDS OF VDOT. C C 3. EROSION AND SILTATION CONTROL MEASURES SHALL BE PROVIDED IN ACCORDANCE WITH THE APPROVED SIDE NO GATES W EROSION CONTROL PLAN AND MUST BE INSTALLED PRIOR TO ANY CLEARING, GRADING OR OTHER CONSTRUCTION. 5'-0" 5'-0" PLAN VIEW 1 x 6 CAP 1--- �� 4. ALL SLOPES AND DISTURBED AREAS ARE TO BE FERTILIZED, SEEDED AND MULCHED. ADA PARKING SIGNS 5. THE MAXIMUM ALLOWABLE SLOPE 1S 2:1 (HORIZONTAL:VERTICAL). WHERE REASONABLY OBTAINABLE, LESSER J'-0,. NOTE PAVEMENT REPLACEMENT JOINT DETAIL No Scale �� CXD � SLOPES OF 3:1 OR BETTER ARE TO BE ACHIEVED. ADJUST TO HEIGHT L7 6 PAVED RIP -RAP OR STABILIZATION MAT LINED DITCH MAY BE REQUIRED WHEN IN THE OPINION OF THE 10" J OF CASTER WHEELS No Scale Cf.) 1 • � ON GATE COUNTY ENGINEER, OR DESIGNEE, IT IS DEEMED NECESSARY IN ORDER TO STABILIZE A DRAINAGE CHANNEL. F 11 7. ALL TRAFFIC CONTROL SIGNS SHALL CONFORM WITH THE VIRGINIA MANUAL FOR UNIFORM TRAFFIC CONTROL CONC. 1 x 6 TRIMMER DATE DESCRIPTION DEVICES. STONEf 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 EXIST GRADE METAL INSPECTION FRAME W/ SOLID LID 6,� J'-0'1 ° ° CONSTRUCTION INDUSTRY (29 CFR PART 1926). (NEENAx R-1975 OR EQUIVALENT) ° CONC. 2 x 4 RAILS ° a J" CONCRETE COLLAR NOTE.• ALL LUMBER SHALL ° a ° B ALBEMARLE COUNTY STORMWATER MANAGEMENT NOTES -- CRUSHED STONE BEDDING BE PRESSURE TREATED �I EP/ FC B . ° 1. ALL DAMS AND CONSTRUCTED FILL TO BE WITHIN 95% OF MAXIMUM DRY DENSITY AND 2% OF OPTIMUM 6" DI CLEANOUT 12» TOR AS SHOWN IN PLAN. SLOPE NOT TO EXCEED 1.12 MOISTURE CONTENT. ALL FILL MATERIAL TO BE APPROVED BY A GEOTECHNICAL ENGINEER. A WHEN ALONG SIDEWALK GEOTECHNICAL ENGINEER IS TO BE PRESENT DURING CONSTRUCTION OF DAMS. 2. PIPE AND RISER JOINTS ARE TO BE WATERTIGHT WITHIN STORMWATER MANAGEMENT FACILITIES. POST ELEVATION INSIDE ELEVATION TION 3 SIDES 11 3. FOR TEMPORARY SEDIMENT TRAPS OR BASINS WHICH ARE TO BE CONVERTED TO PERMANENT PLUG AT END a ° < 6 STORMWATER MANAGEMENT FACILITIES; CONVERSION IS NOT TO TAKE PLACE UNTIL THE SITE IS OF LINE . ° ° EP/ FC STABILIZED, AND PERMISSION HAS BEEN OBTAINED FROM THE COUNTY EROSION CONTROL INSPECTOR. BLASTING NOTES V OR AS SHOWN ON PLAN ci .0 1. BLASTING SHALL NOT BE PERMITTED ON THIS PROJECT. WHEN NOT ALONG SIDEWALK 9/9119 CLEANOUT DETAIL DUMPSTER PAD & ENCLOSURE DETAIL CURB WIPE DOWN DETAIL ANo Scale No Scale No Scale 9 GRIMM AND PARKER, P C. 2014 A 181 17 16 15 14 131 121 10 9 8 7 6 5 4 3 2 1 M © GRIMM AND PARKER, P.C. 2014 L IVA J H G F E IE C 0 17 16 061 14 131 121 11 Carolina Stalite Company Page 1 of I Compressive Strength of Structural Soil April 10, 2003 RESEARCH REPORT COMPRESSIVE STRENGTH TESTING OF STALITE STRUCTURAL SOIL The purpose of this test is to determine the compressive strength of STALITE Structural Soil for use as it applies to fire lane applications. The test is designed to determine the actual resistance to deformation of the Structural Soil Mixture. The test is not an indication of the allowable bearing pressure that can be achieved using the Structural Soil Mixture, since such a determination has many variables, which cannot be addressed by this test. Testing Apparatus: STALITE'S Quality Control Laboratory constructed a steel box to use for testing the aggregate. The box was constructed of %2 inch steel with welded joints. The inside dimensions of the box were 11 inches wide by 11 inches long by 8 inches tall. The loading plate for the box was constructed of 3/ inch steel and had sufficient clearance on all sides as to prevent binding during loading. Test Method: Compacted Aggregate The STALITE Structural Soil was at 12% total moisture content at the time of testing. The material was placed into the box in 3 layers and compacted using a 5.5 lb proctor hammer having 12 inches of fall. The aggregate was compacted similar to ASTM D-698 having 2 blows per in2 of surface area. The compacted aggregate was then covered with the loading plate and placed in a Forney calibrated load frame. The load frame was used to load the aggregate to the failure criterion of Y2 inch deflection. The 1/2 inch of deflection was used as the failure criterion, giving a safety factor of 2 for general geotechnical applications. Test Material Properties: The STALITE Structural Soil consisted of: 75% Stalite, 3f8" Expanded Slate Lightweight Aggregate 20% Sand 5% Compost Test Results: ! - h 5?,- Structural 1/2 inch Compacted 121 in 40320 lb 1 47,984 333 SOIL Structural 1 inch Compacted 121 in 1453201b 172,942 1201 Soil Gold Hill Quality Control Lab Sand Based Sad STALITE Structural Soil for Turf Optional Geo Grid Drain w/Filter Fabric (washed stone) Compacted subgrad at 95% Standard Proctor Density 101 91 81 71 61 Compact tv passes with vibaratory pla roller DETAIL-STALITE STRUCTURAL SOIL FOR REINFORCED TURF AND FIRELANES CG-12 #5 DOWELS, 8" LONG �� PERMISSIBLE AT 12" C C CONSTRUCTION 5' MIN. JOINT 12:1 MAX Z� z N 12:1 MAX n RAMP (SEE TABLE) J RAMP A (SEE TABLE) TRUNCATED DOMES SEE SHEET 1 OF 5 FOR DETAILS 5'-0" MIN SHAPE TO MATCH FACE OF ROADWAY CURB t BACK OF CURB 48 : 1 MA �91 20:1 48 : 1 MAX 2'MIN. SECTION A -A PERMISSIBLE CONSTRUCTION JOINT SECTION B-B WITH BUFFER STRIP CROSSWALK NOTES: FOR GENERAL NOTES ON THE DETECTABLE WARNING SURFACE, SEE SHEET 1 OF 5. THE REQUIRED LENGTH OF A PARALLEL RAMP TYPICAL PLACEMENT IS LIMITED TO 15 FEET, REGARDLESS OF THE AT INTERSECTION SLOPE. TYPE B PARALLEL APPLICATION ROADWAY GRADE IN PERCENT MINIMUM RAMP LENGTH IN FEET 4" CURB 6" CURB 0 4 6 1 5 7 2 5 8 3 6 9 4 8 12 5 10 15 6 14 15 XVIDOT ROAD AND BRIDGE STANDARDS SHEET 3 OF 5 REVISION DATE 203.07 07/15 LANDING 48:1 MAX. WITHIN CROSSWALK SLOPE IN i�x. 5' MN 4' MIN 5' MIN I WITHOUT BUFFER STRIP { CROSSWALK 1 CROSSWALK A 4' SQUARE LANDINC fE CURB 4' BUFFER STRIP 5' SIDEWALK LANDING 48:1 MAX. SLOPE DIAGONAL PLACEMENT A 5' MIN A )_51A&LK z,.= SHAL 0 A 4'SOUARF.E LANDING AREA N AL SHAL UTSOUTSOBE PROVIDERAVED FOR yr A 4c x CROSSYI PERPENDICULAR CROSSWALK x OUT. SHAL WITHIN THE MARKED PER WITH BUFFER STRIP CROSSWALK AREA. RSSWITH: CROE CG-12 DETECTABLE WARNING SURFACE TYPE B (PARALLEL) APPLICATION VIRGINIA DEPARTMENT OF TRANSPORTATION " DIA. X 6" I.G. ADHESIVE BOLTS W/FLAT WASHERS AND SELF LOCKING NUTS TYPICAL 8 PLACES -EQUALLY SPACED ON AN "E" DIA B.C. LOCKABLE ACCESS DOOR W/HINGE, MIN. 2x 2' CLEAR OPENING SEE NOTE 1 Y' LG. IOLTS kSHERS AND ING NUTS, PLACES -EQUALLY AN "E" DIA B.C. RISER DIMENSION APPROX. WT. (LBS.) I.D. O.D. A B C D E 24 30 31 28% 7 11 27 24 36 44 45 41 a 13 19 40 58 48 58 59 54A 13 21 53 86 60 72 73 67 2 17 28 66 135 72 86 87 80 23 35 79 204 84 1 100 101 1 9311, 25 1 39 1 92 266 96 1 114 115 106%4 22 1 38 1 105 305 '7- K SPECIFICATION REFERENCE 105 502 SWM-DR LOCKABLE ACCESS DOOR W/HINGE, MIN. 2' x 2' CLEAR OPENING SEE NOTE 1 2" WIDE X THICK STEE RING BOLTED TO RISER TYP. AR { b' 5Q, MAX. I STORMWATER .F MANAGEMENT t RISER LD, t ; rrt ST RUCTURE TRUCTU RE I� RISER O.D. I RISER DIMENSION APPROX. WT. (LBS.) I.D. O.D. A B C D E SEGMENT 24 30 30 6 7 10? 27 15 46 36 44 42 6 13 18 40 22 82 48 58 55 9 13 20( 53 29 120 60 72 68 9 17 26 66 36 169 72 88 61 9 23 34 79 42 227 84 100 94 1 12 25 1 37 92 49 290 96 114 107 1 12 22 1 36 1 105 56 341 HIGH DENSITY POLYETHYLENE METAL NOTES: 1. A HINGED, LOCKABLE ACCESS DOOR $HALL BE PROVIDED ON ALL TRASH RACKS 2. ANTI -VORTEX PLATE IS TO BE USED WHEN SPECIFIED ON THE PLANS. IF THE TOTAL WEIGHT OF THE TRASH RACK IS GREATER THAN 75 LBS OR COST OF FURNISHING AND PLACING THE ANTI -VORTEX PLATE IS TO IF THE TRASH RACK IS TO BE PLACED ON A SWM-1 WITH AN "H" DIMENSION BE INCLUDED IN THE BID PRICE FOR THE STRUCTURE. GREATER THAN 7'-21'. SPECIFICATION STORMWATER MANAGEMENT DETAILS TRASH RACK 1VooT REFERENCE FOR SWM DRAINAGE STRUCTURES ROAD AND BRIDGE STANDARDS 302 REVISION DATE SHEET 4 OF 5 VIRGINIA DEPARTMENT OF TRANSPORTATION 114.07 51 41 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 SUFACES. PRODUCTS NOT LISTED SHALL MEET THE REQUIREMENTS OF THE SPECIAL PROVISION FOR CO-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 B" PLACED V CENTER TO CENTER ALONG BOTH SIDES OF THE RAMP FLOOR, MID -DEPTH OF RAMP FLOOR. MINIMUM CONCRETE COVER tyr". S. 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 DIRECTED BY THE ENGINEER. THEY ARE TO BE PROVIDED AT INTERSECTIONS WHEREVER AN ACCESSIBLE ROUTE WITHIN THE RIGHT OF WAY OF A HIGHWAY FACILITY CROSSES A CURB REGARDLESS OF WHETHER SIDEWALK IS EXISTING, PROPOSED, OR NONEXISTENT. THEY MUST BE LOCATED WITHIN PEDESTRIAN CROSSWALKS 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 AND USED BY PEDESTRIANS. 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. 31 21 NOTE: COMPONENTS OF CURB RAMPS CONSIST OF THE FOLLOWING: HYDRAULIC CEMENT SIDEWALK (DEPTH IN INCHES, AREA IN SQUARE YARDS) CURB WHEN REQUIRED (CG-2 OR CG-3 IN LINEAR FEET) DETECTABLE WARNING SURFACE (AREA IN SQUARE YARDS) EACH OF THE ABOVE ITEMS IS A SEPARATE PAY ITEM AND SHOULD BE SUMMARIZED FOR EACH CURB CUT RAMP. SIDEWALK 48:1 MAX RAMP 12:1 MAX 3 10;1 MAX TYPE A PERPENDICULAR 5' MIN 9m 12 12:1 MAX g a TYPE B PARALLEL 1 12.1 MAX � _.L ems' N XX 10. WHEN CURB RAMPS ARE USED IN CONJUNCTION WITH A SHARED USE PATH, \ \ A7 X ,SAME AS TOP OF CURB THE MINIMUM WIDTH SHALL BE THE WIDTH OF THE SHARED USE PATH. 11. WHEN ONLY ONE CURB RAMP IS PROVIDED FOR TWO CROSSINGS (DIAGONAL), TYPE C A 4'x 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. TRUNCATED DOME 12. ALL CASES WHERE CURB RAMPS INTERSECT A RADIAL SECTION OF 1.6"-2.4" C-C CURB AT ENTRANCES OR STREET CONNECTIONS THE DETECTABLE WARNING SURFACE SHALL HAVE A FACTORY RADIUS OR BE FIELD J 0 O O O O O z -MODIFIED AS RECOMMENDED BY THE MANUFACTURER TO MATCH L_ [� O O O O O o O O O O O O -� THE BACK OF CURB. 0 0 0 0 0 0 0 0 0 0 0 0 LANDING RAMP Lj 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 o } O o o 0 0 0 0 0 0 0 0 0 0 0 o N 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 0 507. 65/. OF BASE DIAMETER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOP DIAMETER -DETECTABLE WARNING o AT BACK OF CURB I� 0.9" 1.4" , VARIABLE FULL WIDTH OF RAMP FLOOR SEE NOTE 12, F BASET DIAMETER ` PAY LIMITS DETECTABLE WARNING TRUNCATED DOME DETECTABLE WARNING INSTALLED ON A RADIUS DETAIL DETAIL 1VD07 CG-12 DETECTABLE WARNING SURFACE SPECIFICATION ROAD AND BRIDGE STANDARDS REFERENCE SHEET 10F 5 REVISION DATE (GENERAL NOTES) 105 07/15 VIRGINIA DEPARTMENT OF TRANSPORTATION 502 203.05 2616 ROAD & BRIDGE STANDARDS DI-3A, 3B, 3C EXPANSION KEYED FOR DETAILS OF INLET JOINT CONST, BARS p s APPROACH rvor`*Ic1nr,1 Inr*Iz 3'-10" FRAME & COVER Y JOINT -'• BACK OF SIDEWALK GUTTER s STANDARD IC-2. f EE DAR1� BAR G WARPED co GUTTER4„ 2„ w Ln Ln BARS C 6"6"6" o w BAR C 2„ I SUBBASE 2" ��}�- }{-��1� BARS B r _ _ HARDWARE ARS F I I I a 0 ' CLOTH I z z_ N BARS 4 F- WEEP HOLE, �1 lj I a o O W a SEE NOTE E I M In x I w STEPS.'SE II 11 BAR F L BAR A NOTE \ II IIII BARS D GUTTER FACE OF CURB g" 2'-S" CZ RACK CONTROL JOINT CRACK CONTROL JOINT r- 4' - PLAN 3 D SECTION A -A , I A 10 MAX' (- KEYED CONST, JOINT L-VARIABLE - MAX. 20' 12'-10" 2" WARPED 2'-0" 8" 2'-6" 3 r� B g" ' -01, 2„ GUTTER APPROACH BARS A GUTTER N 7 W B S G 1 l BARS F BARS E LT B N Co - 13" DIAMETER BARS B BARS E 1 WEEP HOLE FRONT ELEVATION BARS F 8_ 1-8 8 (GUTTER REMOVED) t'f4" 5XI%4" BENT PLATE - SECTION B-B R „ TYPE A NOSE DETAIL SHALL BE USED WITH CG-3 & CG-7 STANDARDS, I/a l.2V2"X2l "XI%4" GALVANIZED TYPE B NOSE DETAIL SHALL BE USED WITH CG-2 & CG-6 STANDARDS. TYPE A TYPE B I/2" X 4" STUD SHEAR CONNECTOR WELDED GALVANIZED PLATE FOR TYPE A TO BE BENT ON AN ANGLE OF 68130' TO ANGLE IRON AT 2'C-C. CONNECTORS AND IS TO BE ANCHORED WITH I/2" X 4" STUD SHEAR NOSE DETAILS WELDED TO BENT PLATE AT 2'C-C. 2" APPR. PAVEMENT DI-3A �- L E DI-3B L DI-3C L WARPED PAVEMENT - ` - - - - -I - - __._ FLOW FLOW I -FLOW i 1 ) DETAIL WHEN USED FOR USE ON GRADES ADJACENT TO CURB FOR USE IN SAGS WITHOUT GUTTER BOTH SIDES TO BE SYMMETRICAL XVDOT SPECIFICATION ROAD AND BRIDGE STANDARDS STANDARD CURB DROP INLET REFERENCE SHEET 1 OF 2 REVISION DATE 12" - 30" PIPE* MAXIMUM DEPTH (H) - 8' 233 104.09 08/10 VIRGINIA DEPARTMENT OF TRANSPORTATION 302 2016 ROAD & BRIDGE STANDARDS NYLOPLAST DRAIN BASIN WITH STANDARD GRATE (1, 2) INTEGRATED DUCTILE IRON FRAME & GRATE TO MATCH BASIN O.D. MINIMUM PIPE BURIAL DEPTH PER PIPE (3) VARIABLE INVERT HEIGHTS MANUFACTURER AVAILABLE (ACCORDING TO RECOMMENDATION PLANSrFAKE OFF) (MIN. MANUFACTURING (5) ADAPTER 18" MIN WIDTH GUIDELINE 8" MIN THICKNESS GUIDELINE (6, 7) TRAFFIC LOADS: CONCRETE SLAB DIMENSIONS ARE FOR LLII • J, OC �= L ® Q LU W • Z = • OZ 4 . Q 1-4 ce o �- K J H M L Q) N Y � > U Q ch _0 C: (D >rn E �-. C:) a) N M 04LJ (L) C) _O L` (Y) z-COUI- ry w G z 00)ry F tJ E GP #21850 REQ. SAME AS MIN. SUMP) ANGLES GUIDELINE PURPOSES ONLY. ACTUAL CONCRETE SLAB MUST BE G=:) VARIABLE 0"-360° DESIGNED TAKING INTO CONSIDERATION LOCAL SOIL CONDITIONS, � ACCORRDPLANSGTO TRAFFIC LOADING, & OTHER APPLICABLE DESIGN FACTORS, -'" SEE DRAWING NO.7001-110-111 FOR NON TRAFFIC INSTALLATION. �-� r (3) VARIABLE SUMP DEPTH ACCORDING TO PLANS I (6" MIN. ON 8" - 24",10"MIN, ON 30" (4) VARIOUS TYPES OF INLET OUTLET ADAPTERS � 4"MIN ON 8" • 24" BASED ON MANUFACTURING REQ.) -J AVAILABLE: 4"- 30" FOR CORRUGATED HDPE 6" MIN ON 30" (ADS N-12/HANCOR DUAL WALL, ADSIHANCOR SINGLE WALL), N-12 HP, PVC SEWER (EX: SDR 35), r = F- D PVC DWV (EX: SCH 40), PVC C900/C905, CORRUGATED & RIBBED PVC C---.) WATERTIGHT JOINT THE BACKFILL MATERIAL SHALL BE CRUSHED STONE OR OTHER }_ u� (CORRUGATED HDPE SHOWN) GRANULAR MATERIAL MEETING THE REQUIREMENTS OF CLASS I, J I 8" - 30" CLASS II, OR CLASS III MATERIAL AS DEFINED IN ASTM D2321. BEDDING & BACKFILL FOR SURFACE DRAINAGE INLETS SHALL BE PLACED & COMPACTED UNIFORMLY IN ACCORDANCE WITH ASTM D2321. �� G _��a► LJLJ 1- 8'- 30" STANDARD GRATES SHALL BE DUCTILE IRON PER ASTM A536 W U GRADE 7050-05. I 1 I 2- 12" - 30" FRAMES SHALL BE DUCTILE IRON PER ASTM A536 GRADE 70.50-05. Q �1 _, 8" & 10" STANDARD GRATES FIT DIRECTLY ONTO DRAIN BASINS WITH THE U 1 _' USE OF A PVC BODY TOP. SEE DRAWING NO.7001-110.045, 3 - DRAIN BASIN TO BE CUSTOM MANUFACTURED ACCORDING TO PLAN 06 L U DETAILS. RISERS ARE NEEDED FOR BASINS OVER 84" DUE TO SHIPPING +I ��- RESTRICTIONS, SEE DRAWING NO.7001-110.065. 4- DRAINAGE CONNECTION STUB JOINT TIGHTNESS SHALL CONFORM TO THIS PRINT DISCLOSES SUBJECT MATTER IN WHICH DRAWN 8Y NYLOPLAST HAS PROPRIETARY RIGHTS. THE RECEIPT EBC MATERIAL 3130 VERONA AVE BUFORD, GA 30518 f 1J) ASTM 03212 FOR CORRUGATED HDPE (ADS N-12/HANCOR DUAL WALL), OR POSSESSION OF THIS PRINT DOES NOT CONFER, DATE 1.23.06 PHN (770) 932 2443 1 N-12 HP, & PVC SEWER (4"-24"). TRANSFER, OR LICENSE THE USE OF THE DESIGN OR V� �� t' FAX (770) 932.2490 1 J U •�""" �n \... / C 5 - ADAPTERS CAN BE MOUNTED ON ANY ANGLE 0° TO360°. TO DETERMINE MINIMUM ANGLE BETWEEN ADAPTERS SEE DRAWING NO. 7001-11M12, TECHNICAL INFORMATION SHOWN HEREIN REVISED BY OF THIS PRINT OR NMH PROJECT NO,INAME ✓ www.nyloplast-us.com REPRODUCTION ANY INFORMATION TITLE 6- 17- 30" STANDARD GRATES SHALL MEET H-20 LOAD RATING. FOR LIGHT DUTY APPLICATIONS CONTAINED HEREIN, OR MANUFACTURE OF ANY DATE HEREFROM, FOR THE TO 03-11.16 DRAIN BASIN WITH STANDARD GRATE !� 7 - 5" & 10" STANDARD GRATES ARE RATED ARTICLE DISCLOSURE OTHERS QUICK SPEC INSTALLATION DETAIL \ LC> ONLY; NO CONCRETE COLLAR NEEDED FOR LIGHT DUTY RATING. IS FORBIDDEN, EXCEPT BY SPECIFIC WRITTEN I DWG SIZE A I SCALE 1:40 SHEET 1 OF 1 OWG NO. 7001-110-144 REV H Z PERMISSION FROM NYLOPLAST. =11 NYLOPLAST CZ.) DATE IDESCRIPTJON rig IN 17 15 14 13 12 10 �7 7 5 K3 2 C 1 . 1 919119 0 GRIMM AND PARKER, P.C. 2014 17 © GRIh1M AND PARKER, P.C. 2014 16 15 14 13 12 101 91 81 7 0 n 3 1, L K �I H G F E C EROSION AND SEDIMENT CONTROL NARRATIVE PROJECT DESCRIPTION THIS PROJECT INCLUDES AN ADDITION TO SCOTTSVILLE ELEMENTARY AS WELL AS ADDED SITE PARKING, A RELOCATED FIRE LANE, AN ADDED BUS LOOP AND ASSOCIATED SITE WORK. THE LIMITS OF DISTURBANCE IS 2.65 ACRES. ADJACENT PROPERTY THESE IMPROVEMENTS ARE BEING MADE WITHIN THE PROPERTY BOUNDARY. THE PROPERTY IS BOUNDED BY RESIDENTIAL PROPERTIES AND VA-20 SCOTTSVILLE ROAD TO THE NORTH. RESIDENTIAL PROPERTIES BORDER THE SOUTH AND EAST SIDE. THE WEST SIDE IS BORDERED BY A CHURCH. EXISTING SITE CONDITIONS THE SITE IS CURRENTLY THE LOCATION OF SCOTTSVILLE ELEMENTARY SCHOOL. 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 S. TREE PROTECTION - 3.38 PROTECTION OF DESIRABLE TREES 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" IN 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, TEMPORARY SEDIMENT BASIN, DIVERSION DIKES,OUTLET PROITECTION, SILT FENCE, TREE PROTECTION AND DIVERSION DIKES. 3. AFTER ALL EROSION AND SEDIMENT CONTROL MEASURES ARE IN PLACE, SITE WORK CAN BEGIN. 4. ROUGH GRADE PROJECT AREA. 5, 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 ALL CONTRIBUTING DRAINAGE AREAS TO THE SEDIMENT BASIN HAVE BEEN STABILIZED AND APPROVED BY AN ESC INSPECTOR, CONVERT THE SEDIMENT BASIN INTO THE APPROVED SWM FACILITY. SILT FENCE BELOW THE SEDIMENT BASIN MUST REMAIN IN PLACE UNTIL THE ENTIRE SITE IS STABILIZED AND APPROVED BY AN ESC INSPECTOR. 4, UNDERDRAINS AND INFILTRATION TRENCH SHALL BE EXCAVATED TO FINAL DEPTH AND CONSTRUCTED ONLY AFTER ALL AREAS DRAINING TO THEM HAVE BEEN STABILIZED. 5. ONCE CONSTRUCTION IS COMPLETE AND ALL CONTRIBUTING AREAS ARE STABILIZED, EROSION CONTROL MEASURES CAN BE REMOVED UPON APPROVAL FROM THE E&S INSPECTOR, 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. S. 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 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 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. 21. THIS PLAN SHALL BE VOID IF THE OWNER DOES NOT OBTAIN A PERMIT WTIHIN 1 YEAR OF THE DATE OF APPROVAL. (WATER PROTECTION ORDINANCE SECTION 17-204G.) 22, PERMANENT VEGETATION SHALL BE INSTALLED ON ALL DENUDED AREAS WITHIN NINE (9) MONTHS AFTER THE DATE THE LAND DISTURBING ACTIVITY COMMENCED. (WATER PROTECTION ORDINANCE SECTION 17-207B) GENERAL EROSION AND SEDIMENT CONTROL NOTES: 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. ES-2: THE CONTROLLING EROSION AND SEDIMENT CONTROL AUTHORITY WILL MAKE A CONTINUING REVIEW AND EVALUATION OF THE METHODS AND EFFECTIVENESS OF THE EROSION CONTROL PLAN. 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: 43C - KLINESVILLE SILT LOAM, 7 TO 15 PERCENT SLOPES, 10 TO 20 INCHES TO RESTRICTIVE FEATURES, HIGH, HYDROLOGIC SOIL GROUP: D 49B - MANASSAS SILT LOAM,2 TO 7 PERCENT SLOPES, MORE THAN 80 INCHES TO RESTRICTIVE FEATURES, LOW, HYDROLOGIC GROUP: B 84B - TOTIER SILT LOAM, 2 TO 7 PERCENT SLOPES, 40 TO 60 INCHES TO RESTRICTIVE FEATURES, WELL DRAINED, HYDROLOGIC GROUP: B MINIMUM STANDARDS: 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. 0 0 ® 0 t� 0 LLI W • Z _ 0Q z H ce m 0 O U m N a) N a >Lo W ce) _0 c a; u? c >m E o �' E m N p co 0) W 2 ::Y c� c U)UI�_ GP #21850 r� I J t� F W E L 0 U) W E-1 0 Z =� w z � z o w UID o o:::::c a w z o 06 ,u w z p „w, _II vJ g� Ot �-� ry O Cf=) Lu U Cf3 � r -- DATE IDESCRIPTIONI 0 C3.0 9/9119 181 171 16 15 14 13 12 101 91 81 7 5 3 9 9GRIMMANDPARKER, P,C.2014 I A 181 171 161 151 141 131 121 ill 101 91 81 71 © GRIMM AND PARKER, P.C. 2D14 :i. Ui oc Table 15: Sediment Basin design (spec 3.14) 0 Sediment Basin■ 0 2' VYrrHOUT D -70' VIN. El MIN. VYW SPILLWAY CRE�T OF EMERGENCY 2 X 4" WOOD SILT FENCE DROP INLET PROTECTIONDROP El dog @ SMLWAY FRAME WITH GRATE 0:102 on drains ge-area ( acres 4.2 *4, �DESIGN A C: UIE S S r-3" SM-2A Aks:1HALT -,op 1111 MEN 0 �5HIGH WATER i - 'contour intervals SrORM ELEV.) bast -I- - , ""' - _ __ __ "" , .. ...... .. - - ,''', -%k%% 1� COURSE EXISTING elevation (it)! contour area (s� volume(cy) t 1.5' FIRAVEMENT 24424 1 1 I'll, M - MAX. 390.9-; -3543 298.3 MSER CREST k U_------------- ----- ---------- DRY STORAGE 0rMNG 392.94490 297.5 iiN. ZIA AGGPEVATEBASE STORAGE 3' ROFILE Z P Uj MIN. SMM C14ANOV7 POtW GATHER WEr STORAGE RMUCEO TO 54 C.Y./ ACRE} ------ EXCESS -70' WN, STO'N'E AT V CNSO' I RUCTION ASPHALT PAVEi) PERSPECTIVE VIEW CORNERS ACCESS AASHRACK Z . ..... ..... .. .. .... .. . .. 0 w storage. ........... ..... .... .. .... .......... . E" i1N0 wet . storage required (cy) (67*DA) 26 . i.40 design high water (25 year storm) 9 PAVEME-V- . .... .... . ... ...... . . ...... .... .......... ....... ........ ......_ ..... .. .. .. ........ ........ to dewaterfng orifice elevation (ft) 390.90 top of dam (ft) .0 27. IIy ...... .. .......... _',___. PERSPECTIVE VIEWS > wet it -provided.--- .---- - ai - f - s-, -elevation--- ----i .-c. , y.- 29....---� s--3---6 - top width--o. f a- ft- j 8.0 -.1.11.1.1. volume ....... . ....before . _ ...___,_. cleanout -------- - ----------- ........... .............. .. .. ..... . .. _ ....... ... ...... ...... .. .. .... .. available volume before cleanout (cy) (33*DA) 141.00 bottom of basin (R) 388.2 STAKE .......... .. .. .. .... .... . . ......... cleanout elevation (ft) 389.90 approx. bottom dimensions- :60'A44' -POSITIVE DRAINAC,E 0 VUS� EXTEND FULL INI POLYETHYLENE distance from cleanout to orifice (ft) (> T) 1,00 upstream face slope: FABRIC 1r, ITM DTH L-0 To siDoAF_NtT OF !NCMESS AND EGRESS TRAPPING, DZVICE FABRIC (ATTACH downstream face slope'. 31 OPERA7iON TO POSTS WITH dry storage- MIN. �WIR dry storage required (cy)(67'*DA) 281.4 baffles: No 711 1 ELMAN METAL TIE WIRES) FABRiC principle spillway crest (ft) 392.9 length of flow, L.(!t) NAne A V F: LINE POST total storage provided at I this elevation (cy) ... 297.5 effective width, We (ft) NA L_ CONVENTIONAL GROUND LINE N b_.j j ------- %11� , POSIrWE DPA�INAOE METAL (T) OR MAX diameter of dewatering orifice (in) 3.0 L I We (baffles required if 2) NA DETAIL A ITO SED),MENT 'MIN. - AX (U) POSTS BRACING ONCRETE FOOTING diameter of flexible tubing (in) (orifice+2") 5.0 27 ITRAPPtNr, DEVICE collars: No . . . . . . . . . . . . PERSPECTIVE VIEW PERSPECTIVE VIEW runoff depthof water at sot tway crest (ft) NA SAF PLASTIC FENCE METAL FENCE CN'(see attached roughing calculations) 84 slope of upstream face (Z 1) NA FILTER CL iH-- tc (min) 19.7 slope of barrel (Sb) NA SECTION___A-A SAFETY FENCE 0 2yr 9.0 length of barrel in saturated zone (Ls) NA ELEVATION OF STAKE AND FABRIC ORIENTATION No Scale Q 25yr 21.4 number collars required NA SPECIFIC APPLICATION A infiinntuu Nviter tap of 1 inch must behistalledxith a mfi-tilmun I hich bAcock dimension of collars NA THIS METHOD OF INLET PROTECTION IS APPLICABLE WHERE THE slmtoff v*�d*g ve suppl�a wash hose Mth a diauieta of 1.� inches for adequate PIPE OUTLET CONDITIONS principle spillway: 392.9 constant pressure, NVash water miwt be cinTied away from the entimice to an INLET DRAINS A RELATIVELY FLAT AREA (SLOPE NO GREATER THAN available head (ft) 1.1 emergency spillway.- Yes approvedszettlinarea ea to temove sedbuent. -Ail- sediment -shall be prevented froth riser (in) 2424 bottom width (ft) 20' 5%) WHERE THE INLET SHEET OR OVERLAND FLOWS (NOT entering stonn d6ms, ditches or watercourses. slope of exist channel (ftift) 2:1 EXCEEDING 1 C.F.S.) ARE TYPICAL. THE METHOD SHALL NOT APPLY A A trash rack (in) Existing Grate minimun length of exit channel (ft) is, TO INLETS RECEIVING CONCENTRATED FLOWS, SUCH AS IN STREET PAVED WASH RACK crest of spillway (ft) 394.0 OR HIGHWAY MEDIANS. NO SC LE barrel length (it) 53 �A adn ba,reIthro ugh embankment (ft) ......... .. . ..... 3,2 SB diameter of barrel (in) 24 3d' do' L TEMPORARY SEDIMENT BASIN STORM DRAIN INLET PROTECTION SPACING BETWEEN CHECK DAMS PIPE OUTLET TO FLAT No Scale No Scale AREA WITH NO GRAVEL CURB INLET SEDIMENT FILTER PLAN VIEW DEFINED CHANNEL F= 0 CD 1. SET POSTS AND EXCAVATE A 4"X4" 2. STAPLE WIRE FENCING B M CN a) TRENCH UPSLOPE ALONG THE LINE OF TO THE POSTS. _L a) N POSTS a) < CY) M 61 La > U-) X. LO M = co M 0%- 0-) L THE DISTANCE SUCH THAT POINTS A N c) a) E _Td U) 5 4 AND B ARE OF EQUAL ELEVATION M N co r W (D FLOW co FEEI I 1E1 I P EIIIE111=1, ] I I =_1 I 'I. SECTION A -A FILTER KEY IN 6"-Y'; RECOMMENDED 4" CLOTH FOR ENTIRE PERIMETER U) 0 F_ 12" RUNOFF WATER GRAVEL FILTER WIRE MESH 3. ATTACH THE FILTER FABRIC TO 4. BACKFILL AND COMPACT THE 2 ACRES OR LESS OF DRAINAGE AREA: 2-10 ACRES OF DRAINAGE AREA: ry THE WIRE FENCE AND EXTEND IT EXCAVATED SOIL. A FILTERED WATER INTO THE TRENCH. W ja 6" A 3do (MIN.) ry :941oil 3` 101 I---- k < FILTER FILTER CL do CLOTH 4�- IT CLOTH F (OPTIONAL) (OPTIONAL) (DOWNSTREAM VIER Q LOW III=, SEDIMENT 1. (DOWNSTREAM VIE" PIPE OUTLET TO L11F_ CONCRETE WELL DEFINED Z GUTTER 12" "'• CURB INLET PLAN VIEW CHANNEL < GRAVEL SHALL BE VDOT #3, #357 OR 5 COARSE AGGREGATE. EXTENSION OF FABRIC AND WIRE INTO THE TRENCH. VDOT #1 COARSE VDOT #1COARSE FILTER FABIR AGGREGATE AGGREGATE SPECIFIC APPLICATION: THIS METHOD OF INLET PROTECTION IS APPLICABLE ATO _T I- FLOW FLOW 31* La r __L - - .7 3 CURB INLETS WHERE PONDING IN FRONT OF THE STRUCTURE IS NOT LIKELY TO _T, M== CAUSE INCONVENIENCE OR DAMAGE TO ADJACENT STRUCTURES AND r=-- 11' 1=1 7= UNPROTECTED AREAS. STORMWATER INLET PROTECTION 0% No Scale IIIIIII CONSTRUCTION OF A SILT FENCE OR 3/4 OF DITCH HEIGHT CLASS I RIPRAP IIII 91 d GP #21850 3.20 SECTION A -A No Scale FILTER KEY IN 5%9"; RECOMMENDED BLOCK AND GRAVEL DROP INLET SEDIMENT FILTER CLOTH FOR ENTIRE PERIMETER ROCK CHECK DAM SrPEEN No Scale - TABLE 3.31-B NOTES: ACCEPTABLE TEMPORARY SEEDING PLANT MATERIALS 1. APRON LINING MAY BE RIPRAP, GROUTED RIPRAP, GABION BASKET, OR < "QUICK REFERENCE FOR ALL REGIONS" SILT FENCE CULVERT INLET PROTECTION CONCRETE. 2. La IS THE LENGTH OF THE RIPRAP APRON AS CALCULATED USING ENDWALL d LIJPLANTING DATES SPECIES RATE (LBS./ACRE) 3. = 1.5 TIMES THE MAXIMUM STONE DIAMETER, BUT NOT LESS THAN 6 INCHES. 3.181 SEPT. 1 - FEB. 15 50/50 MIX OF TOE OF CULVERT 8 ... (Ei 8-D 06 ANNUAL RYEGRASS FILL ' ET PROTECTION (LOLIUM MULTI-FLORUM) Lr:> E 3: t OUTLET il U) & 50-100 0 C_zt- I%4 CEREAL (WINTER) RYE u- LIJ REEL, F! L ": (SECALE CEREALE) v'�A rFP FEB. 16 - APR. 30 ANNUAL RYEGRASS 60-100 VvATFP IL (LOLIUM MULTI-FLORUM) TOE OF V�il I H 5:1 EXISTING S E _-1 I ��l E I I FILL MAY 1 -AUG. 31 GERMAN MILLET 50 SILT r Al PAVEMENT (SETARIA ITALICA) FENCE j DISTANCE IS (Z> C/-> D 111LE' L FLOW 6'MINIMUM IF **OPTIONAL STONE COMBINATION FILTER / 6"Af MOUNTABLE C _ED1VE1JT T" TEMPORARY SEEDING PLANT MATERIALS FLOW IS L T MIN. LIJ _5 1.01 1 5' BERM C/:�j III:-> 4 r TF No Scale TOWARD (OPTIONAL) 2 >_ C__3 SPECIFIC APPLI��ATION: THI' \,,IETHC�D ofINLET PR�)TLII'Tjr)14 �c EMBANKMENT EXISTING GROUND SIDE ELEVATION cz:) 4\12HUCABLE VVHEI�E ARE EXPE,-TE[� -N" WHERE 4N TABLE 3.32-D 1*1 [=� SITE SPECIFIC SEEDING MIXTURES FOR PIEDMONT AREA cl� ::3c ('vLIRFLOW CAPACITY I--, T(� PR VENT EYCEEI�IE P(-1NDi11L, 70'MIN. W IP AROUND THE STRUCPJPE_ 74c-> ��EZAVEIL SHALL BE VX)T #-71, # C R -5 '� C, A R SE A-,,�PE,'_-ITE. TOTAL LBS. PER ACRE FLOW- 2.5' BI WASHRACK� Li 01 MIN. U) W ry- MINIMUM CARE LAWN 75-- COMMERCIAL OR RESIDENTIAL 175-200 LBS. LjL1 10 -EXISTING 06 a STORM DRAIN INLET PROTECTION KENTUCKY 31 OR TURF -TYPE TALL FESCUE 90-100% --VDOT #3, #357, #5, #56 OR #57 COARSE CLASSI 12'MIN* I PAVEMENT I No Scale IMPROVED PERENNIAL RYEGRASS 0-5% AGGREGATE TO REPLACE SILT FENCE IN RIPRAP Z LjLj KENTUCKY BLUEGRASS 0-5% HORSESHOE " WHEN HIGH VELOCITY OF FLOW VDOT #1 COARSE--\ B 101 MIN LL�CZ.-) IS EXPECTED AGGREGATE 0 GENERAL SLOPE (3:1 OR LESS) LU tj tj tj I - I I KENTUCKY 31 FESCUE 128 LBS. MUST EXTEND FULL WIDTH U) cf:> El 0 1:1 El RED TOP GRASS 2 LBS. OF INGRESS AND EGRESS CVOPERATION. 0 C/:> SEASONAL NURSE CROP 20 LBS. STANDARD ORANGE VINYL OR PLASTIC CONSTRUCTION FENCE ATTACHED TO POSTS (PRE -WEATHERED WOOD, 150 LBS. C-C> LOW -MAINTENANCE SLOPE (STEEPER THAN 3:1) CULVERT INLET PROTECTION U cx::> GALVANIZED STEEL, IRON OR THICK PVC PLASTIC), AT LEAST KENTUCKY 31 FESCUE 108 LBS. No Scale W cf:> 40" ABOVE FINISH GRADE WITH SPAN BETWEEN POSTS NO RED TOP GRASS 2 LBS. GREATER THAN 6' ON CENTER. EVERY NINTH POST SHALL SEASONAL NURSE CROP 20 LBS. PLAN VIEW DATE DESCRIPTION CONTAIN A WARNING SIGN THAT CLEARLY IDENTIFIES THE CROWNVETCH 20 LBS. Tp FENCE AS A TREE PROTECTION FENCE. 150 LBS. TEMPORARY RIGHT-OF-WAY DIVERSIONS 12'MIN. NO SCALE (ED USE SEASONAL NURSE CROP IN ACCORDANCE WITH SEEDING DATES COMPACTED SOIL 3" MIN. LMEE PROTECTION AS STATED BELOW: I - _3' MIN. ale FEBRUARY 16TH THROUGH APRIL .................................. ANNUAL RYE 18" MIN. FILTER CLOTH SECTION A -A MAY 1ST THROUGH AUGUST 15TH ............................ FOXTAIL MILLET FLOW AUGUST 16TH THROUGH OCTOBER ............................... ANNUAL RYE 6-7 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 4.5'MIN. REINFORCED CONCRETE OF CROWNVETCH, INCREASE RATE TO 30 LBS./ACRE. ALL LEGUME SEED SECTION R-R DRAIN SPACE MUST BE PROPERLY INOCULATED. WEEPING LOVEGRASS MAY BE PS ADDED TO ANY SLOPE OR LOW -MAINTENANCE MIX DURING WARMER C3. 1 SEEDING PERIODS; ADD 10-20 LBS./ACRE IN MIXES. Ci�E) S (:�E) 9/9/19 0 0 E PERMANENT SEEDING MIX FOR PIEDMONT AREA TEMPORARY DIVERSION DIKE STONE CONSTRUCTION ENTRANCE No Scale [ No Scale No Scale 0 GRIMM AND PARKER, P,C. 2014 A. 181 171 161 151 141 131 121 11l 101 91 81 71 6 51 41 31 21 181 171 161 151 141 131 121 ill 101 91 81 7 61 51 41 31 21 1 ®GRIMMANDPARKER,P.C.2014 \ , ,'S�-'l ��S P 1 4 . a \ �t_ _ —a< \ r r k EROSION CONTROL LEGEND \ - = / ,r ., �� LIMITS OF CLEARING AND GRADING ,L:I')f' .»r` i o",.' 1 \ 1 �'�';rtl•t' '� .` ' fnJL. ?,' , i' s r r a . .M .,... _.... ...... _... _.__ ___ _'e .__ _.. .__ -,,`"t^'c .__ ._. __ _ ..... \.w.�r"' _y . \t t � � .; � � DRAINAGE DIVIDE �� `4e ' v - 11 _ f SOIL AREA DIVIDE } i \ ` 1 w INLET !.fit 11 � yy^ .. ,i, / / Y _ ! �. (? (.. ' l ��- r CE PAVED CONSTRUCTION ENTRANCE 3.02 t t 3 ,' \ VDOT STD \ i3 t " , 0=392,90' r ' - - ` , =� �. CLASS 1 RIPRAP \ \ �- e , ??i1�`_' ; r�` / _ - � '��e�rc�{ �� \ \ -j ;, ,ate 'WIDTH 1 = 6' \ t t� ; _ rAal� �!' = `24 PCP / , � ' / 11 \ - SF '' f7rN'At ' f g W17.TH 2 = 11' t °� t �'" - -- -- __ __ �__ _. %_ r �1 / �,� , r , ` '`' � SILT FENCE 3.05 "- ) 1 LENGTH =4rt \ i \ SF t/ ` \ - - _ 3 / _"" C7 ". __ -- �- � a INLET PROTECTION 3.07 m M l DEPTH 2 0\ r � (a \ z Iwo e _ S 00 00 N fI 1-1 , • t I ;� \ 11 "" .�,__ \ _ _,,/. - _ MO-DIFY-EXIST4NG TORM STPkJOTtJ E PER I ,,° ,�- / 1-1 ,q\ ,, 1". DIVERSION DIVERSION DIKE 3.09 s i i`i T i ;/ cc `' ' SEDIMENT;BASIN D\E`SI�N DE`T�EXISTING "` �° _ - - ``o \ �� _ Z t 24 l\ p r %-I ' r RIM AND INVERT OdT''TO REM,A6N� HE SAME. •- -°'"' "°�'°" "_ � /' � f f -` � � fi L »� �` Sg SEDIMENT BASIN 3.14 vi ---` \ _' '= r-" \� I N /REMOVE 15" PIPE1AND E`MD SECTION,;-- -� � � 0 � \ � a 3 O \ \ ,-- TS DC PATCHING ONCRE�E:AN PIST�`LLING / / r \ \ p \` \ ` \ \ \ r / / � /11 - \. '"® \ OP OUTLET" PROTECTION 3.18 t \ ,,N` D WPrT1=RCNG DEVLCE. _ _ \ _ ° W \ !'_'� SF ` \ MU ,'` 3 i "� r — _ °, C7 �t f / , \ \ 0 \ \ y ! 1 \ \ s / %\� _ - ,1 as / - - - \ ' , \ TS TEMPORARY SEEDING 3.31 M wm 0 r 1 � 1A .\ tF ` } \' \ � 4t�,�\ N -r i � / i 3 r � r, .* �p ! , r ` � ° \ � ' ,� � w _ T>°'' _2� ` _ _ _ I � « � ,5 � �} � \ PERMANENT SEEDING 3.32 CALir°.�s,}° �s%i; ;�1��a �# J.'�a � t?,~ ��Q� ��dr 1 r- � \�_ � ` �` �4� n,grr f'� �� j � 3 F�� C°r7: 6P Grr � y ��' r f ✓ - ", PS `0 ` n _ �, \ gf �.{SRf�IA� AREA TO _ _rb /'Lr' ; r — f \ \ �.If 11'- L La��. %t� r a. 3 ��` '��}"�jT� FAST N/ f •, r / p� f _ _r - -- \ \ o� ri ''� i :+`z&i„ Z 1 � � S f £ /..- �IIV'6_i`�' I ',.i'_T• 3 ..- \ \, `p DB. 00 G. 2 ; A. t\�_ � L f i • i' r r � � MU MULCHING 3.35 � � W r a Ff a,..... 1 r" r g '°'" v ' .L t, s ,>* ti`", / DECP"i/ Y.. 1 '1 F - f s s 11-1 r \ D D (j P �+ ,'r'•> (F f' ' ° r' ,\ lu;pO s i /.;r. .�+�e,e� y :v'" r ,.rai' { 13�t .y 1 �'YS� �I°>_�%' ' f \� .As.f1'I � /' �'^r �Y� /'�,�" f' y/'® .Y"� A.' 11 '°�\ 11 ' �,,.. �' !f \\ / �' "�- :�t: `' �� ' i, ,° /- '' 11 / 11.1 -` ` -' ' + °`gyp \ "` `` a TREE PROTECTION FENCE 3.38 ~ i 1, i •\ { . �...,,n r` ,. nj � Vb -- 't \ \ i t $` 1 /, r f ti �, .... r o r f / f r ,s' f a• '\. 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Gs � DATE DESCRIPTION SF '� ~`�,..TOP=408, 0 " p , - 41 A1� ,� Its(t ; SF 3 i / t l� r�gf f !q a�0 9T �1 is }:YV h1V=4`.�03.a�'3', " �3}�f^r (AYE) w3 r r SF p •r � M CO i i• 4 r'rOL T Q 8" ��ssj�� C3.3 ✓ate.0 r^'0 s"iT z SCALE 1"=20' 919119 ♦ r _ 1�`' 0 A 20' 40' n ♦ r � GRIMM AND PARKER, P.C. 2014 !-1 X 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 181 171 1 161 15L © GRIMM AND PARKER, P.0 2014 1 1 It tf / f 14 131 12 l 10� 91 81 71 61 51 41 4Z?t 31 21 1 I 11 IN `\ `— "NO PARKING" WIPE DOWN CURB SIGN R30' TIE PROPOSED ASIP'KAJ WITH PAVEMENT,JKACC�DANCE REPLACEMENT-bETAIL (TYP.) SDOUTLET WI,IFS 24 " RCP 389, STOP SIGN STOP BAR 4'CURB CUT R30' CG-2 TA4P '130-25R '"3HRUBS 6" CELMR C/11L VARY BAPTIST OF SCOTTSVILLE 4' DR, 768 PG335 D6, 1007, PG, 122 (PLA T) 2` D EC iroo HS-MRS- I 2 5' BUILDING. X 10'X22' SETBACK wkum DUMPSTER AREA W/ENCLOSURE RST EXPANDEDWIEDOWN 24)EC CURB, (TYP.) SWM FACILITY R5' R63" DRY POND 9'(TYP.) BOLLARD (TYP.) i A /4" UNDERDRAIN WITH CLEANOUT (TYP- R75' It c �51 im 26" DEC 24 DEC R5' 000 00, �'000 �, to R20' 5CONCRETE X SD CUR5;1NL 1=7 W`VH po SIDEWALK TOP=404� 70' 20' 0,0,74' INV /N 398�36' 1-515" RCP 3-6" RISERS WITH !NV ObQ 398_i22'18"RCP 5CONCRETE HANDRAILS R25' ---------- SIDEWALK -------- Z:(_:I, - --------- CG-2 It 1 24' BUS LOOP RIO' R5' CG 4'CURB CUT R51 R44' sk it 8'CONCRETE It 24' SIDEWALK ti 2 fYPII I9(.)" R — ------ �779 /< . �; " . . I %-k WIPE DOWN s0 % CG-6 CURB, (TYP.) H SD -y-P) -------------- v 10, A' (HOP Ir"HT 0 T za, CL':q 03 1,NL E T IVY/ fv1HD L SA I— Etl FLAGPOLE ASPH.AL.TPARKj?1v1G LOT PARR"'ING SPACES 6" DEC k1l � r ,oaf'.,. 4-1 SD G1,'.!',7LE7 `?11/;'r-ES 24 R ,-'P - 4C17. 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INS 400.75'4"PVC M NTH 'wV OUT=400,65' 15" RCP CN 8 6" RISERS i, N_ c/) 0 E-tIL•(FROM BLD) OWNPRA WITH HANDRAILS 5'CONCRETE Z-gUIEFER, TRIP, SIDEWALK 2" 00 77.1 !c DOR 100, olf G f... a Lu — - - -- - - - ------------------------------ ...... .. .. . ... 3'O ff-E=405�17' 4' 9.25' 42" DEC BRICK SCREEN WALL TO (2) 3'DBL, DOORS 8 k 101- LL y HIDE CUT BELOW EXISTING FFE=410,03' 8! I'BRICK 3 GRADE WALL 6'X6'LANDING :A _J V 3-6" RISERS WITH V HANDRAILS z 8 t j,3,, - i ES PROPOSED BUILDING j Q�j ADDITION 9'X 9'NYOPLAST 3' Loc)OH7 Av �s GRATE, BOL TED SHUT >�_ .xln, 40R TOP=409,01' f-,fL- A P 'U�107P� TOP DOCK 130-2�5P 5'CONCRE4 METAL CANOPY COUNTY OF* A8L EDAWIIARLE SCHOOL BOARD Ef-EV=409,97' COLUMN (TYP.) - SIDEWALK D8, 52,3, PG, 620 R24' Zcagy F 8' A �2) 3DBL, 00ORS (is 2) 3'DBL. DOORS I - > (D FROPER, TY 1110DRES,13; 7868 SCO-r rSVILL 1�� ROAD FFE-410,05' FFE=405,97' H,13- IIRS- 1 (2) 3'DBL DOORS 121 GP #21850 (2,)3'D8L, 17E=4 10, 01i i 4 L)OORS I LEVEL BRICK --.I A SCHOOL. FACILITY R2' 6fHALT ,'uA R55' G 3' DO OR 55 BIO RETENTION 1 r-FE=410,05' T . ...... 3' DOO/;? 51 ELEC. R12' J 3' DOjOR 4- 4 3, Qj 1 3' DOOR 3' DOOR 55 FFE=40999� EAT ti NC 11.17' 4_ L-C 7 J R5' 5CV "lip P 7-()P=40P,, SEW_.ER 'Pupw1pi -,4--- LANDSCA[� INV. 1N=403.78'8 P VC ,FROhl Z, RIZ 5' ON PER COUNTY Is 51 L TI&IBER FRAME IN V IN=4 04,44'4 " P VC (TRA/L `�E f 5_6 6. ------- �7p (o 5' W) V OU_7�=_4&11 62' H, TIE PROPOSED ASPHALT - ------ EXT CONC. z It WITH PAVEMENT IN ACCORDANCE BEAM A I 15" DEC /REPLACEMENT DETAIL EXT -FF�409_03' 12.82' BEAM BEA, F (TYP.) R18' + 14"CNF4` EXT CONC. 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SHEETFLOW71 I F 14`.� if f3 1 li i r f FB It Ik if 0. 1 dt t / 4Tp.rY �•a,,,,�a.... � a-.. ._.. � .e..,. ---., ..,.. � r4,• '^;.;"' wx9`...^ '�„ 4,�',�ffi' F � ..... a 1 { .ram � t `�r'��e �,-t' "`�.. ^�. -. t(',�ia'^"`-._-, .._._. _ 41tp 54�1- •� co PRE -DEVELOPED ROUTED AREA TO , SWM FACILITY �'�' AREA = 4.20 ACRES t ✓ �~' SCALE 1"=40' 1 �;CN = 83 y TIME OF CONCENTRAI 1�7 MIN. `NOR E PRE -DEVELOPED PRE -DEVELOPED CONDITION o 40' 80, I UNROUTED AREA TO SHEETFLOW E- -- --- -- - 1x POST-DEVELcD UNR UTARE�A ` AREA 0.10A r(2E5�, 39 �,_ ,� 4 ,f - POST-DEVELOP�D RQGTED AREA CN = 91 i - '- TO B_ICAETEN'fION �2 TIME OF CO ENTRA ON ?7.� MI�I. 39S ay -4REA = 0.$S�ACFjE'S CN=92 e TIME ONCENT N MIN. 1' POST -DEVELOPED ROUTED AREA' ' r %''' TO 51NM FACJIL+T�' -" = �'�p� l • t ,AREA 1.498 ACRES Qp C�F"CC1�ITRATION = 17.6 MIN. % 390.05 - p I I 395 M o 03 E400 I P y � N w i C y. S yy Y•w, � � '"' ";,° .� - - -- - .,- �.F,..°'"" - -=`.-"�' .; ,� 'off ;, � O ^, s r I I � � �� ,, ~ �,. ,. � q, �'�» �l t } :• . :: f 4040 { ff i;} 02 AVV ., .s.' 160 t 7 -. D dog 4 --n' -° 1I ♦ `•„ .,- j '•�..,.„„„ jI _f �� _.. � a.. .� � ...,E � -' �� `' t� � j _•,. i �� .�� t � I I it , , � 77 r \\�` w. 4,. wW ✓ V •� , t` p L,.i� Q a- ! i �� t k POS-f-DEVEI=OP F ;� 02 f UNR6UTEDAR 4 TQ /! SHE�TFLOW w1. ✓ F , 3 3 { L f . t a - � _ , -�--mom-~♦ - ..�,,� � � �-� .. ' l 07 4 18 409 410 r pr cr) 00 d 13. , , z � I POST -DEVELOPED ROUTE AREA% > TO BIORETENTION 1 AREA = 1.34 ACRES , . SCALE 1"=40' p CN = 77 TIME OF CONCENT N �-- 5.0 MIN. POST -DEVELOPED POST -DEVELOPED CONDITION p 40' 80, I UNROUTED AREA TO SHEETFLOW 18 171 161 14 131 121 10 91 81 71 61 51 41 31 21 1 TF•9 A [V I M A /•.1/ DI-1 TOP ELEV. 393.35 ELEV. 392.35 RECTANGULAR NOTCH WITH ORIFICE TRASH RACK ON TWO SIDES OF RISER STRUCTURE ELEV. 389.05 DRY POND DI-1 RISER STRUCTURE 500 DETAIL NO SCALE 24" BASKET EDGE 24 LONG EPDXY COATED #4 REBAR GABION BASKET FOREBAY WALL (BIORETENTION FACILITY 2) NO SCALE 0 100 Y_R _WS E 394.40 Q `10 YR WSE 393.43 NYLOPLAST 24" BASIN WITH DOME GRATE TOP: 400.67' CLEANOUT 3" HARDWOOD -- BARK MULCH 24" BIOFILTER MIX - 3" NO. 8 STONE 21" OF NO. 57 STONE -- 4"PERFORATED SCHEDULE 40 PVC UNDERDRAIN BOTTOM OF BIORETENTION BASIN 400.17 FABRIC OR EQUIVALENT. TO BE 2' WIDE CENTERED ON UNDERDRAIN 1 Y_R _WS E 392.07 WATER QUANTITY CALCULATIONS FOR NEW MANUFACTURING BUILDING: CHANNEL PROTECTION (ENERGY BALANCE): QPOST-DEV TOTAL < 0.8 * (QPRE-DEV ON -SITE * RVPRE-DEV) / RVPOST-DEV 2.72 CFS s 0.8 * (4.23 CFS * 0,435 AC/FT) / 0.540 AC/FT OK 2.72 CFS s 2.73 CFS FLOOD PROTECTION: POST -DEVELOPED Q10 < PRE -DEVELOPED Q10 OK 14.95 CFS (POST -DEVELOPED Q10) 5 14.98 CFS (PRE -DEVELOPED Q10) WATER QUALITY CALCULATIONS: SUMMARY FROM RUNOFF REDUCTION SPREAD SHEET FOR REDEVELOPMENT (SEE CALC. BOOK): DISTURBED AREA: 2.65 ACRES PRE -DEVELOPMENT LAND COVER: B SOILS. 0.00 AC UNDISTURBED FOREST AND OPEN SPACE 1.92 AC TURF 0.73 AC IMPERVIOUS POST -DEVELOPMENT LAND COVER: B SOILS: 0.09 AC UNDISTURBED FOREST AND OPEN SPACE 1.23 AC TURF 1.33 AC IMPERVIOUS REQUIRED REMOVAL: 1.47 LBS/YR ONSITE TREATMENT IS PROPOSED BY TWO BIORETENTION FACILITIES, AS CALCULATED IN THE VIRGINIA RUNOFF REDUCTION METHOD SPREADSHEET, TABS A (LEVEL 1) AND B (LEVEL 2). LEVEL 1 BIORETENTION FACILITY. 0.53 LB/YR LEVEL 2 BIORETENTION FACILITY. 1.38 LB/YR TOTAL LOAD REDUCTION PROPOSED: 1.91 LB/YR SURPLUS REDUCTION OF 0.44 LB/YEAR AVAILABLE TO BE USED ON FUTURE PROJECTS OWNED BY THE ALBEMARLE COUNTY SCHOOL BOARD, PER 9VAC25-870-69 SECTION A PART 5. DIRECTION OF FLOW PIPE OR CURB CUT DIRECTION OF FLOW A FROM PIPE i�� , '•�=�, try' - • � � - � �•� 1� ' �� ti '�` VDOT STD. CLASS Al MARAFI 140N - 3.75' RIPRAP, FILTER FABRIC WIDTH 1=1.5' OR EQUIVALENT WIDTH 2= 12' SECTION A -A GRAVEL FLOW SPREADER PRE-TREATMENT DEVICE No Scale 1-YR ELEV = 400.89 2-YR ELEV = 400.96 10-YR ELEV = 401.14 100-YR ELEV = 401.45 15" RCP NOTES 1. 24" BIOFILTER MEDIA DEPTH SHALL BE THE MINIMUM DEPTH AFTER A SETTLING PERIOD OF THREE DAYS. QUALITY SIZING CALCULATION: DRAINAGE AREA = 0.84 ACRES IMPERVIOUS: 0.18 ACRES T(v)= 1,531 CF X 1.00 = 1,531 CF PERVIOUS: 1.12 ACRES DESIGN STORAGE DEPTH: (2' X 0.25) + (2' X 0.4) + 0.5' PONDING = 1.8' SURFACE AREA REQUIRED: T(v) ! DESIGN STORAGE DEPTH -> 1,515 / 1.8' = 850.56 SF SURFACE AREA PROVIDED: 879 SF BIORETENTION FACILITY 1 DETAIL (LEVEL 1) NO SCALE NYLOPLAST 18" BASIN WITH DOME GRATE TOP: 399.50' CLEANOUT BOTTOM OF BIORETENTION BASIN 399.00 3" HARDWOOD BARK MULCH 36" BIOFILTER MIX 3" NO. 8 STONE 21" OF NO. 57 STONE 4" PERFORATED SCHEDULE40 PVC UNDERDRAIN NO. 57 STONE WIDTH= 1' SURROUNDING PONDING AREA 1-YR ELEV = 399.75 2-YR ELEV = 399.83 10-YR ELEV = 400.00 100-YR ELEV = 400.41 15" RCP FABRIC OR EQUIVALENT. TO BE 2' WIDE CENTERED ON UNDERDRAIN NOTES 1. 36" BIOFILTER MEDIA DEPTH SHALL BE THE MINIMUM DEPTH AFTER A SETTLING PERIOD OF THREE DAYS. QUALITY SIZING CALCULATION: DRAINAGE AREA = 0.84 ACRES IMPERVIOUS: 0.16 ACRES T(V)= 2,473 CF X 1.25 = 3,091.25 CF PERVIOUS: 0.68 ACRES DESIGN STORAGE DEPTH: (3' X 0.25) + (2' X 0.4) + 0.5' PONDING = 2.05' SURFACE AREA REQUIRED: T(v) / DESIGN STORAGE DEPTH -> 3,09115 / 2.05' = 1,507.93 SF SURFACE AREA PROVIDED: 2,130 SF BIORETENTION FACILITY 2 DETAIL (LEVEL 2) NO SCALE BOTTOM OF CHANNEL 0.5' GRADE OF DEEP. SURROUNDING SLOPE 4' i 2110411H aim .... CURB LINE RIPRAP NOT TO IMPEDE STORM FLOW TO OPENING BOTTOM OF ;HANNEL 0.5' DEEP. CHANNEL SECTION 91 81 71 61 51 41 31 2 %Z110 `AL1. t M • • • Vi O Cd r Lu > W • Z= • oZ Q . 0 H o K J H CID N N (D L a V/ M L > � E �o NC E 0C) ' C f6 cV p M W N = cT M Co �U)0 3 Lu G Cie F V Z E J Z � LV G J aC Q � ♦ 3 Z cJ CZ.) u � ZO LlJ LLJ DC W J W W � _J Cn C C/ O r C--ono ao t/3 rw-- DATE DESCRIPTION C6.0 9/9119 C GRIMM AND PARKER, P.C. 2014 A © GRIMM AND PARKER, P.C. 2014 its i 15 14 13 12 10 0 • •, 7 0 5 0 3 2 L J H G F E C C L� GENERAL NOTES PRE -CONSTRUCTION • CONTRACTOR IS RESPONSIBLE FOR CONTACTING "MISS UTILITY" AT 1.800.552.7001 FOR LOCATION OF ALL UTILITY LINES.TREES SHALL BE LOCATED A MINIMUM OF 5 FEET FROM SEWERIWATER CONNECTIONS. NOTIFY LANDSCAPE ARCHITECT OF CONFLICTS. • VERIFY ALL PLANT MATERIAL QUANTITIES ON THE PLAN PRIOR TO BIDDING, PLANT LIST TOTALS ARE FOR CONVENIENCE ONLY AND SHALL BE VERIFIED PRIOR TO BIDDING. • PROVIDE PLANT MATERIALS OF QUANTITY, SIZE, GENUS, SPECIES, AND VARIETY INDICATED ON PLANS. ALL PLANT MATERIALS AND INSTALLATION SHALL COMPLY WITH RECOMMENDATIONS AND REQUIREMENTS OF ANSI Z60.1 "AMERICAN STANDARD FOR NURSERY STOCK". IF SPECIFIED PLANT MATERIAL IS NOT OBTAINABLE, SUBMIT PROOF OF NON AVAILABILITY TO THE ARCHITECTS, TOGETHER WITH PROPOSAL FOR USE OF EQUIVALENT MATERIAL. • PROVIDE AND INSTALL ALL PLANTS AS IN ACCORDANCE WITH DETAILS AND CONTRACT SPECIFICATIONS CONSTRUCTIONIINSTALLATION • LANDSCAPE ARCHITECT RESERVES THE RIGHT TO REJECT ANY PLANTS AND MATERIALS THAT ARE IN AN UNHEALTHY OR UNSIGHTLY CONDITION, AS WELL AS PLANTS AND MATERIALS THAT DO NOT CONFORM TO ANSI Z60.1 "AMERICAN STANDARD FOR NURSERY STOCK" • LABEL AT LEAST ONE TREE AND ONE SHRUB OF EACH VARIETY AND CALIPER WITH A SECURELY ATTACHED, WATERPROOF TAG BEARING THE DESIGNATION OF BOTANICAL AND COMMON NAME. • INSTALL LANDSCAPE PLANTINGS AT ENTRANCES/EXITS AND PARKING AREAS ACCORDING TO PLANS SO THAT MATERIALS WILL NOT INTERFERE WITH SIGHT DISTANCES. • CONTRACTOR IS RESPONSIBLE FOR WATERING ALL PLANT MATERIAL DURING INSTALLATION AND UNTIL FINAL INSPECTION AND ACCEPTANCE BY OWNER. CONTRACTOR SHALL NOTIFY OWNER OF CONDITIONS WHICH AFFECTS THE GUARANTEE. INSPECTIONS/GUARANTEE • UPON COMPLETION OF LANDSCAPE INSTALLATION, THE LANDSCAPE CONTRACTOR SHALL NOTIFY THE GENERAL CONTRACTOR WHO WILL VERIFY COMPLETENESS, INCLUDING THE REPLACEMENT OF ALL DEAD PLANT MATERIAL. CONTRACTOR IS RESPONSIBLE FOR SCHEDULING A FINAL INSPECTION BY THE LANDSCAPE ARCHITECT. • ALL EXTERIOR PLANT MATERIALS SHALL BE GUARANTEED FOR ONE FULL YEAR AFTER DATE OF FINAL INSPECTION AGAINST DEFECTS INCLUDING DEATH AND UNSATISFACTORY GROWTH. DEFECTS RESULTING FROM NEGLECT BY THE OWNER, ABUSE OR DAMAGE BY OTHERS, OR UNUSUAL PHENOMENA OR INCIDENTS WHICH ARE BEYOND THE CONTRACTORS CONTROL ARE NOT THE RESPONSIBILITY OF THE CONTRACTOR • PLANT MATERIAL QUANTITIES AND SIZES WILL BE INSPECTED FOR COMPLIANCE WITH APPROVED PLANS BY A SITE PLAN REVIEW AGENT OF THE PLANNING DEPARTMENT PRIOR TO THE RELEASE OF THE CERTIFICATE OF OCCUPANCY. • REMOVE ALL GUY WIRES AND STAKES 12 MONTHS AFTER INSTALLATION. NOTE: ONLY STAKE TREES WITH LARGE CROWNS, 2" CALIPER OR GREATER, IF LOCATED ON WINDY SITES, OR WHERE TAMPERING MAY OCCUR. PRUNE CODOMINATE LEADERS REMOVE BROKEN, BADLY DEFORMED, RUBBING, NARROW CROTCH ANGLES, WATER SPROUTS, OR CROSS -BRANCHES. REMOVE TAGS, LABELS, AND PLASTIC SLEEVING. DO NOT STAKE UNLESS SPECIFIED (SEE NOTE) DO NOT WRAP TRUNK PRUNE SUCKERS IF FIELD GROWN, CUT AWAY ALL BALLING ROPES. REMOVE BURLAP OR WIRE BASKET FROM TOP 3 OF BALL. IF CONTAINER GROWN, REMOVE CONTAINER AND CUT CIRCLING ROOTS 1:1 SLOPE OF SIDES OF PLANTING HOLE SCARIFY SIDES BEFORE PLANTING TAMP SOIL AROUND ROOTBALL BASE FIRMLY WITH FOOT PRESSURE SO THAT ROOTBALL DOES NOT SHIFT DECIDUOUS TREE - STAKING SPECIFIED NOT TO SCALE 3- 2" x 2" HARDWOOD STAKES ROOT BALL 12 GAUGE GALVANIZED WIRE NEW 1/2" RUB 12 GAUGE GALVAN ALLOW FOR SLIGHT N 3 2x2 HARDWOO 2'-6" MIN BELOW STAKE SHALL BE MIN. 18" OUT FRl AND OUTSIDE OF 1 SET ROOTBALL FLUSH TO 1-2" HIGHER IN SLOWLY SOILS. DO NOT COVER TI THE ROOTBALL ROOTFLARE SHALL I ABOVE FINISH PRUNE 1:1 SLOPE ON PLAN' SCARIFY SIDES BEFORE PLACE ROC UNEXCAVATED OR TAP MULTI -STEM TREE - STAKING SPECIFIED NOT TO SCALE NOTE: STAKE EVERGREENS 6' OR TALLER, ON SLOPES, WITH LARGE CROWNS, OR IF LOCATED ON WINDY SITES. REMOVE TAGS, LABELS, AND PLASTIC SLEEVING. DO NOT STAKE UNLESS NECESSARY (SEE NOTE). DO NOT WRAP TRUNK SET ROOTBALL FLUSH TO GRADE OR 1-2" HIGHER IN SLOWLY DRAINING SOILS. DO NOT COVER THE TOP OF THE ROOTBALL WITH SOIL. ROOTFLARE SHALL BE VISIBLE ABOVE FINISHED GRADE. PRUNE SUCKERS 1:1 SLOPE ON SIDES OF PLANTING HOLE SCARIFY SIDES BEFORE PLANTING PLACE ROOTBALL ON UNEXCAVATED OR TAMPED SOIL _ _I 3 X ROOTBALL �I DIAMETER EVERGREEN TREE PLANTING :W ��- ROOT BALL 12 GAUGE GALVANIZED WIRE �— 3-2"x2" HARDWOOD STAKES GALVANIZED WIRE GUY 12 GAUGE. ALLOW FOR A SLIGHT AMOUNT OF MOVEMENT 8' 2"x2" HARDWOOD STAKE, 2'-6" MIN BELOW SURFACE. STAKE SHALL BE DRIVEN A MIN 18" OUT FROM TRUNK AND OUTSIDE OF ROOTBALL 2-3" MULCH LAYER TO EDGE OF DRIPLINE. KEEP 4-6" AWAY FROM TRUNKFLARE SET ROOTBALL FLUSH TO GRADE OR 1-2" HIGHER IN SLOWLY DRAINING SOILS. DO NOT COVER THE TOP OF THE ROOTBALL WITH SOIL. ROOTFLARE SHALL BE VISIBLE ABOVE FINISHED GRADE 6" SAUCER BACKFILL PLANTING PIT WITH NATIVE SOIL. INCORPORATE SLOW -RELEASE GRANULAR FERTILIZER 1" COMPOST LAYER PLACE ROOTBALL ON UNEXCAVATED OR TAMPED SOIL DO NOT PRUNE TERMINAL LEADER OR BRANCH TIPS REMOVE TAGS, LABELS AND PLASTIC SLEEVING DO NOT WRAP TRUNK PRUNE BROKEN BRANCHES 2-3" MULCH LAYER TO EDGE OF DRIPLINE. KEEP 4-6" AWAY FROM TRUNK FLARE BACKFILL PLANTING PIT WITH NATIVE SOIL. INCORPORATE SLOW -RELEASE GRANULAR FERTILIZER 6" SAUCER 1" COMPOST LAYER IF FIELD GROWN CUT AWAY ALL BALLING ROPES. REMOVE BURLAP OR WIRE BASKET FROM TOP 3 OF BALL. IF CONTAINER GROWN, REMOVE CONTAINER AND CUT CIRCLING ROOTS TAMP SOIL AROUND ROOTBALL BASE FIRMLY WITH FOOT PRESSURE SO THAT ROOTBALL DOES NOT SHIFT PRUNE CODOMINATE LEADERS RUBBER HOSE GALVANIZED WIRE GUY 12 GAUGE. ALLOW FOR A SLIGHT AMOUNT OF MOVEMENT 2"X2" HARDWOOD STAKE 2'-6" MIN BELOW SURFACE. STAKE SHALL BE DRIVEN A MIN 18" OUT FROM TRUNK AND OUTSIDE OF ROOTBALL IF FIELD GROWN CUTAWAY ALL BALLING ROPES. REMOVE BURLAP OR WIRE BASKET FROM TOP 3 OF BALL. IF CONTAINER GROWN, REMOVE CONTAINER AND CUT CIRCLING ROOTS 1" COMPOST LAYER BACKFILL PLANTING PIT WITH NATIVE SOIL. INCORPORATE SLOW -RELEASE GRANULAR FERTILIZER 2-3" MULCH LAYER, MULCH TO EDGE OF DRIPLINE. KEEP 4-6" AWAY FROM TRUNK FLARE 6" SAUCER TAMP SOIL AROUND ROOTBALL BASE FIRMLY WITH FOOT PRESSURE SO THAT ROOTBALL DOES NOT SHIFT PLANT SCHEDULE TREES QTY BOTANICAL NAME COMMON NAME MIN. INSTALLED SIZE ROOT ACE GLO 4 ACER RUBRUM 'OCTOBER GLORY' TM OCTOBER GLORY MAPLE 3.5" CAL. B&B BET NIG 5 BETULA NIGRA RIVER BIRCH MULTI -TRUNK 7'-8' HT. B&B QUE PHE 8 QUERCUS PHELLOS WILLOW OAK 2.5" CAL, B&B EVERGREEN TREES QTY BOTANICAL NAME COMMON NAME MIN. INSTALLED SIZE ROOT JUN EAS 6 JUN{PERUS VIRGINIANA EASTERN RED CEDAR 7'-8' HT. B&B LANDSCAPING ALONG THE FRONTAGE OF EC ROADS * per the Entrance Corridor requirements of the Albemarle ARB Design Guidelines STREET LENGTH REQUIREMENTS CALCULATIONS REQUIRED PROVIDED SCOTTSVILLE RD. 200 LF 1 LG TREE PER 35 LF 200/35 = 5.7 6 LG TREES 1 PROPOSED LG TREE 6 EXISTING LG TREES LANDSCAPING ALONG INTERIOR ROADS * per the Entrance Corridor requirements of the Albemarle ARB Design Guidelines STREET LENGTH REQUIREMENTS CALCULATIONS REQUIRED PROVIDED INTERIOR RD. 120 LF 1 LG TREE PER 40 LF (120.2)/40 = 6 6 LG TREES 8 LG TREES INTERIOR PARKING LOT LANDSCAPE AREA REQUIREMENTS * per Sec. 32.7.9.6 of the Albemarle County Code REQUIREMENT PARKING LOT AREA CALCULATIONS REQUIRED PROVIDED 5% GROSS PARKING AREA 2,305 SF 2,305 x .05 = 115.25 SF 115.25 SF 476 SF INTERIOR PARKING LOT LANDSCAPING REQUIREMENTS * per Sec. 32.7.9.6 of the Albemarle County Code REQUIREMENT PARKING LOT SPACES CALCULATIONS REQUIRED PROVIDED 1 LG. OR 1 MED, SHADE TREE PER 10 PARKING 13 PARKING SPACES 13/10 = 1.3 1 LG. OR MED. SHADE TREES 3 LARGE SHADE TREES SPACES TREE COVER CALCULATIONS * per Sec. 32.7.9.8 of the Albemarle County Code SITE AREA REQUIREMENT CALCULATION REQUIRED QUANTITY PROVIDED QUANTITY 14.7 AC (GROSS SITE AREA) 10% COVER 14.7 AC x .1 = 1.47 AC = 64,033 SF 130,156.4 SF (EXISTING) 64,033.22 SF NOTE: -WHERE A PARKING AREA IS LOCATED SO THAT PARKED CARS ARE VISIBLE FROM AN OFF -SITE STREET, SHRUBS ARE TO BE INSTALLED AT A MINIMUM HEIGHT OF 12". -ALL SITE PLANTINGS OF TREES AND SHRUBS SHALL BE ALLOWED TO REACH, AND BE MAINTAINED AT, MATURE HEIGHT; THE TOPPING OF TREES IS PROHIBITED. SHRUBS AND TREES SHALL BE PRUNED MINIMALLY AND ONLY TO SUPPORT THE OVERALL HEALTH OF THE PLANT. County of Albemarle Conservation Plan Checklist - To be placed on Landscape Plans (Handbook, pp III-284-111-297 for complete specifications) 1. The following items shall be shown on the plan: ❑ Trees to be saved; ❑ Limits of clearing (outside dripline of trees to be saved); ❑ Location and type of protective fencing; ❑ Grade changes requiring tree wells or walls; ❑ Proposed trenching or tunneling beyond the limits of clearing. 2. Markings: ❑ All trees to be saved shall be marked with print or ribbon at a height clearly visible to equipment operators. ❑ No grading shall begin until the tree marking has been inspected and approved by a County Inspector. 3. Pre -Construction Conference: ❑ Tree preservation and protection measures shall be reviewed with the contractor on site. 4. Equipment Operation and Storage: ❑ Reavy equipment, vehicular traffic and storage of construction materials including soil shall not be permitted within the driplines of trees to be saved. 5. Soil Erosion and Stormwater Detention Devices: ❑ Such devices shall not adversely affect trees to be saved. 6. Fires: ❑ Fires are not permitted within 100 feet of the dripline of trees to be saved. 7. Toxic Materials: ❑ Toxic materials shall not be stored within 100 feet of the dripline of trees to be saved. 8. Protective Fencing: ❑ Trees to be retained within 40 feet of a proposed building or grading activity shall be protected by fencing. ❑ Fencing shall be in place and shall be inspected and approved by a County Inspector prior to grading or construction. 9. Tree Wells: ❑ When the ground level must be raised within the dripline of a tree to be saved, a tree well shall be provided and a construction detail submitted for approval. 10. Tree Walls: ❑ When the ground level must be lowered within the dripline a tree to be saved, a tree wall shall be provided; and a construction detail submitted for approval. 11. Trenching and Tunneling: ❑ When trenching is required within the limits of clearing, it shall be done as far away from the trunks of trees as possible. Tunneling under a large tree shall be considered as an alternative when it is anticipated that necessary trenching will destroy feeder roots. 12. Cleanup: ❑ Protective fencing shall be the last items removed during the final cleanup. 13. Damaged Trees: ❑ Damaged trees shall be treated immediately by pruning, fertilization or other methods recommended by a tree specialist. NOTE: IT IS THE DEVELOPER'S RESPONSIBILITY TO CONFER WITH THE CONTRACTOR ON TREE CONSERVATION REQUIREMENTS. OWNER SIGNATURE (DATE) CONTRACT PURCHASER SIGNATURE (DATE) 5/1/06 Page 1 of 1 �PLTH OF Lj INK W. III W. 14 1� 09/09/19 w� tiPE ARCS` M • W 0= ce In > W L • Z _ • 0Z Q • � 0 ce © K J H rn N N Y Q� Q U > co -a LO C >rn E C) N E (n O +- i CUCV pM W _ L d �U)0 w G n ry ttce F GP #21850 E U) J <=> d7 O N W o 6� J Z <C o D VJ C> W C/3 >- C �C 0 O ~ Z C W �! LLJ L.J n ___j —J _J LU r�Q L. U Cn O Q C/3 F--- Z !— _U Q O CXD c' Q DATE IDESCRIPTION u L2.0 919/19 in 15 141 131 12 NOT TO SCALE r� 0 5 n 2 9 GRIMM AND PARKER, P.C. 2014 A