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HomeMy WebLinkAboutSDP200200109 Plan - Approved Final Site Plan and Comps. 2003-02-13LEGAL REFERENCE: TM 45 PARCEL 91 MAGESTERIAL DISTRICT: RIVANNA SOURCE OF TITLE FOR PARCEL: DB 1680 PAGE 660 OWNER: BERKMAR LAND TRUST P.O. BOX 8147 CHARLOTTESVILLE, VA 22906 DEVELOPER: SOUTHLAND HOMES, INC. 2119 BERKMAR DRIVE CHARLOTTESVILLE, VA 22901 CURRENT ZONING: R-15 SOURCE OF BOUNDARY SURVEY: BOUNDARY SURVEY BY RIVANNA ENGINEERING SOURCE OF TOPOGRAPHY: ALBEMARLE COUNTY SERVICE AUTHORITY TOPOGRAPHIC MAP. USGS DATUM DOI F�_ I up 1 TM 45 PARCEL 91 MO D�SITFR�CT 1. DO NOT SCALE THESE DRAWINGS. USE DIMENSIONS SHOWN ONLY. BRING ANY DISCREPANCIES TO THE ATTENTION OF THE ENGINEER. IT IS THE CONTRACTOR'S RESPONSIBILITY TO FIELD VERIFY ALL DIMENSIONS. 2. IT IS THE CONTRACTOR'S RESPONSIBILITY TO FIELD VERIFY THE EXACT LOCATION OF ALL EXISTING UTILITIES. 3. THERE IS NO 100 YEAR FLOOD PLAIN ON THIS SITE. 4. THIS SITE IS NOT LOCATED IN A RESERVOIR WATERSHED. 5. HE SPILLOVER OF LIGHTING FROM OUTDOOR LUMINAIRES ONTO PUBLIC ROADS AND PROPERTY IN RESIDENTIAL OR RURAL AREAS ZONING DISTRICTS SHALL NOT EXCEED ONE-HALF (1/2) FOOT CANDLE, 6. NO LIGHTING IS PROPOSED FOR THIS PLAN. 7. EXISTING LANDSCAPING CONSISTS PRIMARILY OF DECIDUOUS WOODED AREAS. 8. BUILDINGS NOT TO EXCEED 65' IN HEIGHT. BUILDING SETBACKS FOR R-15 DISTRICTS: S1 of 5 COVER SHEET FRONT: 25' S2 of 5 SITE PLAN SIDE YARD: 15' S3 of 5 LANDSCAPE/UTILITY PLAN REAR YARD: 20' S4 of 5 PROFILES MAXIMUM BUILDING HEIGHT: 65' S5 of 5 DETAILS PARKING SCHEDULE: REQUIRED: 2 SPACES PER UNIT. 40 UNITS x 2 = 80 SPACES PROVIDED: 81 SPACES (INCLUDING 3 HC SPACES) LAND USE SCHEDULE: PRE-DEV BUILDINGS: 0.0 AC 0.0 PARKING: 0.0 AC 0.0 PERVIOUS: 119,442 SF 100 TOTAL: 119,442 SF 100 POST-DEV. 17,900 SF 15% (0.411 ac) 36,632 SF 30.7% (0,841oc) 64,910 SF 54.3% (1.490ac) 119,442 SF 100% (2.742oc) GROSS RESIDENTIAL DENSITY: 15 UNITS PER ACRE �MAXIMUM DWELLING UNITS: 40 APARTMENTS MAXIMUM IMPERVIOUS COVER: 36,632 SF Benchmark -0/E- Exist. Overhead Electric ;d Power Pole •-0 Prop. Light Pole FH Fire Hydrant GV Gate Valve BPD Backflow Prevention Device 500 Existing Elevation/Contour F5_0 -01 Proposed Contour X[500] Proposed Spot Elevation Slopes Greater Than 25% UFE Upper Finished Elevation LFE Lower Finished Elevation SWM Storm Water Management SCC Storm Conveyence Channel N.T.S. Not To Scale �°°a b SITE I �0, O, Y6Agnor-Hurts 'P o °� Elementary School V�0N�TY MAP SCALE: 1" = 2000' [FAIN INC 011 1. PRIOR TO COMMENCEMENT OF ANY CONSTRUCTION WITHIN ANY EXISTING PUBLIC RIGHT-OF-WAY, INCLUDING CONNECTION TO ANY EXISTING ROAD, A PERMIT SHALL BE OBTAINED FROM THE VIRGINIA DEPARTMENT OF TRANSPORTATION (V.D.O.T.). 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, DRAINAGE RELATED MATERIALS AND CONSTRUCTION METHODS SHALL CONFORM TO CURRENT SPECIFICATIONS AND STANDARDS OF V.D.O.T., UNLESS OTHERWISE NOTED. 3. EROSION AND SILTATION CONTROL MEASURES SHALL BE PROVIDED IN ACCORDANCE WITH THE APPROVED EROSION CONTROL PLAN AND SHALL BE INSTALLED PRIOR TO ANY CLEARING, GRADING OR OTHER CONSTRUCTION. 4. ALL SLOPES AND DISTURBED AREAS ARE TO BE FERTILIZED, SEEDED AND MULCHED. THE MAXIMUM ALLOWABLE SLOPE IS 2:1 (HORIZONTAL: VERTICAL). WHERE 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 THE DIRECTOR'S DESIGNEE, IT IS DEEMED NECESSARY IN ORDER TO STABILIZE A DRAINAGE CHANNEL, 6. ALL TRAFFIC CONTROL SIGNS SHALL CONFORM WITH THE VIRGINIA MANUAL FOR UNIFORM TRAFFIC CONTROL DEVICES. 7. UNLESS OTHERWISE NOTED ALL CONCRETE PIPE SHALL BE REINFORCED CONCRETE PIPE - CLASS III. 8. ALL EXCAVATION FOR UNDERGROUND PIPE INSTALLATION MUST COMPLY WITH OSHA STANDARDS FOR THE CONSTRUCTION INDUSTRY (29 CFR PART 1926). i : ise nxi � inT , i ismAzil � 1. Work shall be subject to inspection by the Albemarle County Service Authority inspectors. The contractor will be responsible for notifying the proper service authority officials at the start of the work. 2. The location of all existing utilities 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 structures as necessary. 3. All materials and construction shall comply with General Water and Sewer Construction Specifications as adopted by the Albemarle County Service Authority on January 15, 1998. 4. Datum for all elevations shown in National Geodetic Survey. 5. The contractor shall be responsible for notifying "Miss Utility" (1-800-552-7001). I6. All water and sewer pipes shall have a minimum of 3 feet of cover measured from the top of pipe, over the centerline of the pipe. This includes all fire hydrant lines, service laterals and water lines, etc. 7. All water and sewer appurtenances are to be located outside of roadside ditches. 8. Valves on dead-end line shall be rodded to provide adequate restraint for the valve during a future extension of the line. IM t'E SPE0RC NOTES ZMA-2001-021 WAS APPROVED ON 7/10/2002. ALL CONDITIONS AND PROFFERS ASSOCIATED WITH THAT ZONING MAP AMENDMENT WILL APPLY TO THIS SITE PLAN; PROFFERS: 1. DEVELOPMENT OF THE PROPERTY SHALL BE IN GENERAL ACCORD WITH THE APPLICATION PLAN ENTITLED, "REZONINU" APPLICATION PLANS FOR CARRIAGE GATE APARTMENTS" (HEREIN REFERRED TO AS THE "APPLICATION PLAN"), DATED DECEMBER 17, 2001 AND LAST REVISED, JUNE 3, 2002. RESIDENTAIL BUILDINGS, PARKING AREAS, AND RECREATIONAL AREA ARE IDENTIFIED AS ESSENTAIL FEATURES FOR THE PURPOSE OF BEING !1 GENERAL ACCORD. 2. ARCHITECTURAL FEATURES OF THE BUILDING SHALL BE CONSISTENT WITH THE ELEVATIONS ENTITLED, "CARRIAGE GATE APARTMENTS ELEVATIONS", "RIGHT ELEVATION (LEFT ELEVATION MIRROR IMAGE)", FRONT ELEVATION", AND "REAR ELEVATION", PREPARED BY KEENEY & CO. ARCHITECTS, DATED MAY 28, 2002. "ARCHITECTURAL FEATURES" MEANS BUILDING FORMS AND ELEMENTS, INCLUDING ROOFS, WINDOWS, DOORS, MATERIALS, COLORS, TEXTURES AND SCALE. 3. THE OWNER SHALL INSTALL SCREENING MATERIALS SATISFACTORY TO THE DIRECTOR OF PLANNING AND COMMUNITY DEVELOPMENT FOR THE ENTIRE LENGTH OF THE SOUTHERN PROPERTY LINE THAT ADJOINS SCHOOL PROPERTY AND FENCING MATERAILS SATISFACTORY TO THE DIRECTOR OF PLANNING AND THE COMMUNITY DEVELOPMENT AROUND THE STORMWATER FACILITY. INSTALLATION OF THE SCREENING SHALL OCCUR PRIOR TO THE ISSUE OF A CERTIFICATE OF OCCUPANCY FOR ANY OF THE BUILDINGS OR SHALL BE BONDED. 4. THE PEDESTRIAN PATH SHOWN ON THE APPLICATION PLAN ON THE SOUTHERN BOUNDARY OF THE PROPERTY CREATING ACCESS TO THE SCHOOL GROUNDS SHALL HAVE A 5-FOOT WIDE MULCHED SURFACE AND A 10-FOOT WIDE CLEAR ZONE ON EITHER SIDE OF THE MULCH PATH FOR SAFETY AND VISIBILITY. THE INSTALLATION OF THE PATH'NAY SHALL BE COMPLETED PRIOR TO THE ISSUANCE OF A CERTIFICATE OF OCCUPANCY FOR ANY OF THE BUILDINGS. 5. THE OWNER SHALL RESERVE FOR DEDICATION UPON DEMAND OF THE COUNTY OF ALBEMARLE, A 20-FOOT WIDE RIGHT-OF-WAY, AS SHOWN ON THE APPLICATION PLAN, FOR THE FUTURE EXTENTION OF WOODBROOK DRIVE TO TAX MAP 45, PARCEL 90, OTHER CONDITIONS: 1. THERE ARE NO EXISTING SLOPES THAT ARE 25% OR GREATER. 2.THE TOT LOT FACILITY SHALL BE EQUIPPED WITH THE FOLLOWING EQUIPMENT: 1-SWING WITH FOUR (4) SEATS 1-SLIDE 2-CLIMBERS 1-BUCKABOUT OR WHIRL 2-BENCHES 3. THE APARTMENT BUILDINGS MUST INCLUDE SPRINKLER SYSTEMS. D APP 0 L PLANNING DEPARTMENT ZONING DEPARTI ENT IN PE TONS DEPARTMENT/FIRE 'OFFICIAL - / 4-C SERVICE AUTHORITY (/ r ,s ENG NEER N DEPARTMENT' VIRGINIA DEPARTMENT OF TRANSPORTATION VIRGINIA HEALTH DEPARTMENT Gv BOARD OF ARCHITECTURAL REVIEW `� 3 FI 16'4E OFFICIAL rn a' Ln co coz 00 W co o co 0-) CC) C/) V t� O `co W Q-9) P-q W (� CD � W W o co o m o � P, V ��_PLTH OF � c TIMOTHY R. MILLER CERTIFICATE No. 30542 �FSSlONAL E�G Revisions: NO. DESCRIPTION DATE 1 ENG Comments 11.18.02 2 ACSA Comments 11.18.02 3 ENG Comments 12.09.02 4 ACSA Comments 12.09.02 5 ACSA Comments 1.21.03 O t+-+ co N � w 4-1 R' O E-, Q N � Q W C r Sheet No: co bb.0 Cb TM,,-45 Par 91 D .Robert or Gladis S c hmunk DB 2097-285 Zoned: R - 6 Use: Residential y �l Existing Dwelling ,r I ,j I ! E isting Trailer I I E croaches / Existing Gravel TM 45 Par 91 C Driveway I �\ �� � �l Encroaches erkmaT Land TTUS \ \ ... Exlstytlq Dwelling \ V r ..., r/ n 20' x 15' CONCRETE / DUMPSTER PAD WITH 6 WOOD FENCE ENCLOSURE TM 45 Par 90'. Charlie & Geneve Anderson ' \D_B 368 5\48 \ \ Z pne d R - 6 Use: Wesidential nrelnfo � U rced V getation ELEV 557.5 12 ` f TM 45 Par5'A School Board of A-tbema/le Count , D'1128-650 f k f / {; t Zoned R TT , f'r -,STRUCTUR lJ��: SchOl �� f! �% 1REFER TO`'DETAIL� 2/S5). i / j �• 1 f • i r`r f � t t i � NOTE: 1. The embankment material and compaction requirements must be in accordance with Virginia Stormwater Management Handbook. 2. Geotechnical study of the soils to be used in the embankment must be completed before construction of the embankment begins. J. A Geotechnical inspector must be present to monitor the construction of the embankment and test compaction. 4, The embankment must be constructed in a manner to meet all the requirements and specifications of Minimum Standard 3.01 of the VSMH, I J r/ ri r r 45 ar / 91 A,- e apt�i/st ChwrVh 3 1721 52 7 oned' C-1 e: -0ay Ca f`e; ,- r i 1 J i ! r r r r r i i f c) � CC) w z � I C. r� o 00 CO Cn U d o �coP4 ^ @j CD �I w co -17,� CQ CQ; 0 cccn cn � o0 o P., U ��PLTH OF c� P TIMOTHY R. MILLER CERTIFICATE No. 30542 SS/ONAL Revisions: N0. DESCRIPTION DATE 1 ENG Comments 11.18.02 2 ACSA Comments 11.18.02 3 ENG Comments 12.09.02 4 ACSA Comments »-nq-ng CIO O W O Q) N Q w � � 4--) U w O 0 a_ Sheet No: S2 of 5 LANDSCAPE REQUIREMENTS INTERIOR LANDSCAPING: CANOPY REQUIRED: 0.05*119,432 SF = 5,972 SF QUANTITY REQUIRED: 1 TREE PER 10 PARKING SPACES 81/10 = 8.1 TREES CANOPY PROVIDED: 6,288 SF QUANTITY PROVIDED: 18 TREES TOTAL CANOPY REQUIRED: 0.15* 119,432 SF = 17,915 SF CANOPY PROVIDED: 12,934 SF EXISTING CANOPY TO REMAIN: 5,500 S TOTAL CANOPY: 18,434 SF C, -k- M 03 Lr) co cc E- 1:4 cc 0. 00 cf) C-) ----------------------------- - --------------------------------------------------------------------------- -------------- - -- ------------------------ ------ - -------------------------------- co P4 ---------------- .................. TREE ................................................... -------------------- BOTANICAL -------------------------------- MINIMUM .......................... , I ----------------- ------ - ----------------------- HEIGHT @ I �QUANTITY, - ------ - ----- CANOPY TOTAL F4 CD �]" -e' KEY I COMMON NAME CALIPER I PLANTED PLANTING: I 10 YEARS, CANOP Y AREA ......................... ........................................................................................ Acer Rubrum ............................ ................................ ............................. -- ------------------------------- ........................ T-1 2 1/2" 4 1 286 sf 1,144 sf 1 Red Maple ro CD Zelcova Serrato T-2 2 1/2" 11 490 sf 5,390 sf 1 ........................ ..................................................................................... Village Green Zelcova .... ................................ ................................ ........................ .............................. ............................. T-3 1 Alnus Cordoto 1 1/2" i 16 360 sf 1 51760 sf co cl� -71 Italian Alder .5: rn . ............... .......................................................................................... Juniperus Virginiona ................................ .. ... ................. ................................ ... ................................. .... ........................ 30 0 30 60 90 CD Q) T-4 6'- 7' 38 16 sf I 608 sf Eastern Red Cedar SCALE:1 = 30 ' LIZ$ - ---------- - ---------------------- ----- - --------- . ...... ... . ......... . ............. Total ----------------- Canopy 112,902 sf Q) TM 45 Par 91D T-) 7 1 /-,1 1 1 I -/I \ II IL V V IVI L- -) IIV I L- L- Lj 'j I "i I \ II IL -r J I VI\ I APARTMENTS. 4. THE EXISTING SEWER SERVICE SHALL BE MAINTAINED THROUGHOUT CONTRUCTION, AND SHALL ONLY BE DISABLED AFTER PROPOSED SERVICE IS CONNECTED AND WORKING. CONNECT PROPOSED SANITARY SEWER SERVICE TO EXISTING. LATERAL, AND REPLACE 190' OF EXISTING, AS SHOWN ON PLAN. L T H T H 7 Q), TM 45 Par 90\, ..... . ....... . .. . ...... . . ..... 0 E R TIMOTHY R. MILLER R. L (-) T IMC H Y - MILLER Charlie & G-en'\e\ve Anderson - - ----- --- CET E o. RRTIFICATE CERTIFICATE No. I A N F C 0 T 2 30542 5 4 -p Z" . ....... . 0 01, 368 df 8 548 e, S10 LNG "'/ONAL TDB L Z, p1ned R — *6,\ ---- --- 550 CONNECT PROPOSED SANITAR SEWER �ERVICE TO EXISTING Use: E t 20 P Wesidentl\ a I �'v te Utility Eoserne6t""' viSj nS Revisions: NO. DESCRIPTION D I DATE LATERAL" AND REPLACE 190' PROPOSED 35' COMBINED DxB'SiO97-28r X. (Portion to be\V oted) 1 G c t 1 ENG Comments m en s EN Comments 1 118 . C I 11.18.0 i PROPbS€D 20' ACCESS EASEMENT - TO BE S6DEDICATED FOR PUBLIC 60 USE UPON DE�k\ND BY --- - -- ------ COUNTY SS6 TM 45 Par 91B thUT M. Valente DB 1894 2268 Zoned L e.*" Commemal ()o 4 45 ar 19 1A 5 �e ap t1s t C h wr q "h 3 1721,,/ 527 o 0 ct� ne(t C-1 e: Day Car/e/ 1 5 1 ACSA Commentsl 1.21.03 1 c:n cn E Q) M 0 a- M 7:) 0 CN cn V) < CN CN C) ci b3 CD CD co 0 co 1 4-) E O N � � Q) o ct Q) 4-) 43 CO 0 r—j 12:4 �ISheet No: 0 .CONSERVATION PLAN CHECKLIST ❑ 1. The followint! items shall be shown on the plan: Trees to be saved, NSA Limits of Clearing (outside drip line 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. X ❑ 2. Ylarki its: All trees to be saved shalt be marked with print or ribbon at it lieiglit clearly visible to equipment operators. XNo grading shall begin until the tree niarl(ing has been inspcetcd and approved by a County Inspector. ❑ 3. 1)]'e-Construction Conference: 'free presentation and protection measures shall be reviewed with the contractor on site. X ❑ 4. Equipment Operation & Storage: Heavy equipment, vehicular traffic and storage of construction materials including soil shall not be XPermitted within the driptines of trees to be saved. ❑ 5. Soil Erosion & Storinivater Detention Devices: XSuch devices shall not adversely affect trees to be saved. ❑ 6. Fires: XFires are not permitted within 100 feet of the dripline of trees to be saved. ❑ 7. Toxic Nfaterials: Toxic Nfatertals shall not be stored within 100 feet of the dripline of trees to be saved. ❑ S. Protective Fencing: N/A 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. N/A❑ I. Tree 11'ells: N��hen the ground level trust be raised within the driptitie of a tree to be saved, a tree wall shall be provide([ and it construction detail submitted for approval. N/A❑ 10. Tree walls: NN'hen the ground level must be lowered within the dripline of a tree to be saved, a tree well shall be provided and a construction detail provided. ❑ XM111en 11. Trenching & 'funnelinu.: tI'enChing 1S re(ILnred within the limits of Cleating, It Shall be done as fat' away froin the trunks Of trees as possible. Tunneling under it large tree shall be considered as at1 alternative when it Is anticipated Xthat necessary trenching will destroy feeder roots. ❑ 12. Cleanup: . -. Protective fencing shad be the last items removed during final cleanup. ❑ 1B. Dammed Trees: Damaged trees shall be treated immediately by pruning, fertilization or other methods recommended by a tree spectalisl. NOTE: IT IS THE DEVELOPER'S RESPONSIBILITY TO CONFER NVITII TIIL CONTRACTOR ON TREE C'ONSERN�ATION REQUIRL�NIlt;NTS. OWNER SIGNATURE (DATE) CONTRACT PURCHASER SIGNATURE (DATE) KENNEDY GUARDIAN (K-81A) MUELLER CENTURION (A-423) Length of Branch Varies OR APPROVED EQUAL. NOTE: HYDRANT MUST BE 6 MIN EQUIPPED WITH CHARLOTTESVILLE /KK (270') 2' TO 10' THREADS WHICH IS THE LOCAL STANDARD. 4 5 _ r 6 2 NOTES: 1. 7 CU FT GRAVEL. 7. WHEN THE SOIL IS DISTURBED OR WHEN A HYDRANT IS LOCATED IN A FILL, 2, 2500 PSI CONCRETE BASE AND THRUST ANCHOR THE VALVE TO THE HYDRANT BLOCK AGAINST UNDISTURBED STABLE SOIL. WITH 2-3/4" THREADED RODS IN ADDITION TO POURING CONCRETE. 3. STEEL PILE IF NECESSARY A STEEL PILE SHALL BE USED AS ADDITIONAL 4. VALVE BOX SUPPORT. 5. GATE VALVE 8. 3/4" THREADED RODS TO MAIN IN ALL INSTALLATIONS. RODS SHALL 6. TEE BE GALVANIZED OR ASPHALT COATED. NOTE: 1. SURROUND WEEP HOLES WITH GRAVEL AND KEEP FREE OF CONCRETE. 2. MAINTAIN A 3' MIN. COVER FROM THE MAIN TO THE FIRE HYDRAN l (INCLUDING DITCHES). 3. FINISHED GRADE SHALL SLOPE AWAY FROM THE FIRE HYDRANT AND VALVE BOX. 4. THE GATE VALVE IS ALLOWED IN SHOULDER OR BEHIND THE DITCH. IT IS NOT ALLOWED IN THE DITCH. TYPICAL FIRE HYDRANT ASSEMBLY DETAIL NOT TO SCALE 7 TREE PROTECTION DETAIL ........................ -------- - - --- - - S5 NOT TO SCALE Bio-Filter Notes: 1. Prior to converting the sediment trap into a bio-filter, the Contractor must schedule on -site meeting with County Water Resources personnel. 2. Remove silt and sediment below underdrain layer prior to installation of bio-filter material. Bio-filter must be stabilized with sod upon completion of the structure. 3. Anti -Seep Collar will be 2.5' X 2.5'. 111, vv,wiii vi Uli ­1111,11L 11UF oiiuii 4' Wide at base be at elevation 551.0. Refer to Detail on Sheet El. 6 SWM FACILITY PROFILE ................. ...................... S5 Scale: I'=I U' Vert. N.T.S. Horz. WIDTH VARIES CG-2 1.5" SM-9.5 CO-2 Provide Metal Screen s , Cover, Attached to MH W/Concrete Nails Where .. ...z..,. Needed, or equivalent 6"- 21A BASE MATERIAL Anti -Clogging Measure (As Required by Typical Pavement Section - Parkin Area Albemarle County) _....__.___.._......_._...__-_-- - . S5 NOT TO SCALE _ Crest Elev = 556.9 Wair FIPv = .59Fi F WIDTH VARIES /--CLASS A-3 CONC. \-COMPACTED SUBGRADE 95% COMPACTED `h 1 Tvnical Pavement Section - Sidewalk S5 / NOT TO SCALE WIDTH VARIES QD l- - �_ T \,--COMPACTED SUBGRADE #4 @ 12" 95% COMPACTED EACH WAY J 1 Tvpical Pavement Section - Dumpster Pad S5 / NOT TO SCALE 15" RCP OUTLET i� 2:1 SIDE SLOPES (MAX) INLET PROTECTION/ ENERGY DISSIPATER 1 BERM EMERGENCY SPILLWAY OUTLET STRUCTURE 8" Orifice Inv = 555.2 Elev = 554.0 Bio-Filter Refer To Detail 3 Elev = 552.0 Elev == 55 4" Perforated PVC Pipe Slope = 1 /4":1' 4"-6" PERFORATED PVC PIPE / CLEAN -OUT \ NOTES: (TYP) 1. THE BIO-RETENTION BASIN IS NOT TO BE CONSTRUCTED UNTIL THE SITE IS ADEQUATELY STABILIZED, ACCORDING TO THE WATER RESOUIRECES PERSONNEL. 2. THE SAND/SOIL/LEAF MULCH MATERIAL MUST BE INSPECTED BY WATER RESOURCES PERSONNEL BEFORE INSTALLATION OF THE BIO-RETENTION BASIN. 3. THE BIO-FILTER SOIL MIX MUST BE LUCK BIO-FILTER MIX OR TESTED AND APPROVED EQUAL. 4. THE BIO-FILTER SOIL MIX MUST BE STABILIZED WITH EC-2 BLANKETS AND NATIVE WILDFLOWER MIX ALONG WITH TREES AND/OR SHRUBS LISTED ON THE PLAN. 5. THE BIO-FILTER MIX MUST BE LUCK BIO-FILTER MIX OR TESTED AND APPROVED EQUAL. FOR MORE INFORMATION PLEASE CALL WATER RESOURCES PERSONNEL AT (434) 296-5861. BIO-FILTER FOR SWM FACILITY DETAIL ------------------------------------------------------------------------------------------------ ------------------------------------------------------------- S5 NOT TO SCALE STORM WATER CHANNEL 3 1 EMERGENCY SPILLWAY 5' Diu Concrete Anti -Vortex Device 2' Weir W/DI-7 Opening Grate Inlet 3' Diameter Concrete Manhole Pond /Embankment Finished Concrete Bottom (3' Min.) 4" Orifice 15" RCP Outlet Inv=551.3 Inv = 551.0 Elev = 551.0 2 Outlet Structure Detail S5 NOT TO SCALE 12" Depth of VDOT 68 NOTES: 1. 8" & 4" orifice shall be capped when Sediment Trap is in operation. 2. 8" & 4" orifice shall remain open when Stormwater Detention Basin is in operation. 3, Concrete Anti -Vortex Device must be installed at the time of installation of the 3' Diameter Concrete manhole. C), L0 co QCO w z co M U o w n� w O 6 W x �+ cc W W o CQ CD CD_ CT CD o o � P-, U ��PLTH OF o� -P TIMOTHY R. MILLER CERTIFICATE No. 30542 SS/ONAL Revisions: NO. DESCRIPTION DATE 1 1 ENO Comments 11.18.02 2 IACSA Comments 11.18.02 V 1 W T W IL T m _ EMERGENCY SPILLWAY W/Unreinforced Vegetation Elev = 557.5 TOP OF BERM SIDE SLOPE REGRADED Elev = 558.5 TO 2:1 (MAX) C 0 0 Elev _ _ = 554.0 - - s r" `1' _ SAND/30% TOPSOIL/ ¢ CD 20% LEAF MULCH Elev - - - SAND: 0.02" 0.04" U 552.0 ASTM C33 FINE) a Q Elev = 551.0 0 0 0 ORIGINAL SILT / TRAP SIDESLOPE -/ PROVIDE PIPES ACROSS ENTIRE WIDTH AT 20 FT O.C. - 4"-6" NON -PERFORATED PVC PIPE @ 1% MIN, SLOPE OUTLET STRUCTURE TOP OF BERM l� 2 UNDERDRAIN GRAVEL (AASHTO M43, 1/2"-1") WRAPPED IN FILTER FABRIC REMOVE SILT AND Co SEDIMENT AFTER FINAL STABILIZATION. REPLACE .� WITH LOAM OR GRANULAR O b0 EARTH FILL. CLEAN -OUT C'd w W/WATERTIGHT CAP � --i � � 4--) �__i -J I Q) Q) EARTHFILL O W � LOAM OR GRANULAR �> QD 4"-6" PERFORATED PVC Q) PIPE @ 1% MIN, SLOPE Q Q) 4_' -�-� 2-Red Maple (2" Caliper) C C� C� 0 2-River Birch (1.5" Caliper) Q 2-White Ash (1.5" Caliper) °' 0 5-Juniper o 0- Herbaceous Cover Shall be Bluejoint Sheet No: Bio-filter shall be stabilized with sod.S5 Vf 5