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HomeMy WebLinkAboutWPO201300002 Plan - Approved Minor Amendment 2013-09-23GENERAL NOTES Sheet Title 04500 -00 -00 -11100 - 5.930 ACRES OWNER. 04500 -00 -00 -11000 ZONING: (HC) HIGHWAY COMMERCIAL, (EC) ENTRANCE CORRIDOR & (AIA) AIRPORT IMPACT AREA PHASING: 04500-00-00-11100 --------- - - - - -- 200--------- - - - - -- PHASE H - PROPOSED COMMERCIAL /RETAIL BUILDING AND FUTURE RETAIL (8.92 ACRES) SETBACKS. • FIRST GOLD LEAF LAND TRUST 240.55 BUILDING: 3D' 6� PO BOX 1333 --- RESIDENTIAL ZONING, 8" CHARLOTTESVILLE, VA 22902 PARKING. 20' 045-- 00- 00 -11OA0 L7 1 RIVER HEIGHTS ASSOCIATES, LTD. PARKING. ZERO BUILDING HEIGHTS. PO BOX 5548 BUILDING PEAK (FRONT FACADE TREATMENT) = 40' -o" FROM GROUND ELEVATION TO THE TOP CHARLOTTESVILLE, VA 22901 NOTE- SINCE THE FRONT FACADE 1S EXEMPT FROM THE SETBACK PROVISION, THE BUILDING APPLICANT UNITED LAND CORPORATION EXISTING /PROPOSED USE: PHASE lI - EXISTING SITE VACANT, PHASE 1 - PARTIALLY DEVELOPED (EXISTING BANK) PROPOSED USE. 45,600 SF COMMERCIAL /RETAIL BUILDING ON PHASE H 2315 SEMINOLE LANE CURB & GUTTER WA TERSHED: THIS St TE IS NO T L OCA TED IN A RESER VOIR WA TERSHED. CHARLOTTESVILLE, VA 22901 TOPOGRAPHY AND BOUNDARY PROVIDED BY LICENSED LAND SURVEYOR ROUDABUSH, GALE & ASSOCIATES, FIELD VERIFIED IN SEPTEMBER 2012. CONTACT MR. WENDELL WOOD BENCHMARKS. 1- BRICKNAIL AT THE SOUTHEAST CORNER OF THE DROP INLET (EL. 457.79) TELEPHONE: (434)975 -3334 2- PAINTED SQUARE LOCATED AT THE NORTHWEST CORNER OF THE DROP INLET (457.44). ENGINEER. COLLINS ENGINEERING 4- SOUTHEAST CORNER OF CONCRETE SLAB AT PROPANE TANK (EL.' 424.27) DA TUM. ELEVATIONS ARE BASED ON NAD 83 DATUM. 200 GARRETT ST. SUITE K, MOSTLY WOODED WITH PREVIOUSLY CLEARED AREAS. CRITICAL SLOPES. CRITICAL SLOPE IMPACTS WERE PREVIOUSLY APPROVED WITH THE PHASE I CHARLOTTESVILLE, VA 22902 DEVELOPMENT PLAN WITH THE APPROVAL OF SDP - 2004 -024 AND SDP - 2004 -045. THIS WAS APPROVED BY THE PLANNING COMMISSION ON OCTOBER 18TH, 2005 AND THE BOARD OF TELEPHONE. (434)293 -3719 SUPERVISORS ON NOVEMBER 9, 2005. SEE THE CONDITONS OF APPROVAL FOR THE CRITICAL FAX. (434)293 -2813 ON THE PLANS ACCESS: CONTACT- MR SCOTT COLLINS, P.E. DEVELOPMENT WHICH INTERSECTS ROUTE 29 AT THE EXISTING STOP LIGHT. EMAIL: scott@collins-engineering.com PROPERTY IN RESIDENTIAL OR RURAL AREAS ZONING DISTRICTS SHALL NOT EXCEED ONE -HALF TAX MAP NO.: 04500 -00 -00 -11000 (D.B. 1894/ PG. 386) NOTE- PARCELS 45 -1118 AND 45 -111A (WHICH ARE WITHIN THE 04500 -00 -00 -11100 (D.B. 1894/ PG. 386) NORTHTOWN DEVELOPMENT) ARE NOT INCLUDED WITH THIS 04500- 00- 00 -11OA0 (D.B. 1894/ PG. 386) SITE PLAN. SEE THE APPROVED EXISTING CONDITIONS SHEET SEE THE LIGHTING PLAN FOR THE FINAL LIGHTING PLAN DESIGN AND LUMINAIRE SCHEDULE. RETAINING WALLS.- FOR THE LOCATION OF THESE PARCELS AREA: 04500 -00 -00 -11000 - 8.187 ACRES Sheet Title 04500 -00 -00 -11100 - 5.930 ACRES COVER 04500- 00- 00 -11OA0 - 0.740 ACRES ZONING: (HC) HIGHWAY COMMERCIAL, (EC) ENTRANCE CORRIDOR & (AIA) AIRPORT IMPACT AREA PHASING: PHASE I - EXISTING BANK AND FUTURE COMMERCIAL /RETAIL & OFFICE USES (6.63 ACRES) --------- - - - - -- 200--------- - - - - -- PHASE H - PROPOSED COMMERCIAL /RETAIL BUILDING AND FUTURE RETAIL (8.92 ACRES) SETBACKS. • PUBLIC ROADS: 240.55 BUILDING: 3D' 6� PARKING. 10' --- RESIDENTIAL ZONING, 8" BUILDING. 50' PARKING. 20' UNDISTURBED BUFFER. 20' COMMERCIAL ZONING: BUILDING: ZERO PARKING. ZERO BUILDING HEIGHTS. BUILDING HEIGHT = 25' -10" FROM GROUND ELEVATION TO TOP OF PARAPET WALL. BUILDING PEAK (FRONT FACADE TREATMENT) = 40' -o" FROM GROUND ELEVATION TO THE TOP OF THE STRUCTURE. NOTE- SINCE THE FRONT FACADE 1S EXEMPT FROM THE SETBACK PROVISION, THE BUILDING HEIGHT IS WITHIN THE ALLOWED 35' HEIGHT REQUIREMENT WITHOUT ADDITIONAL SETBACKS. EXISTING /PROPOSED USE: PHASE lI - EXISTING SITE VACANT, PHASE 1 - PARTIALLY DEVELOPED (EXISTING BANK) PROPOSED USE. 45,600 SF COMMERCIAL /RETAIL BUILDING ON PHASE H SUBDIVISION STREETS: CURB & GUTTER WA TERSHED: THIS St TE IS NO T L OCA TED IN A RESER VOIR WA TERSHED. TOPO & SURVEY TOPOGRAPHY AND BOUNDARY PROVIDED BY LICENSED LAND SURVEYOR ROUDABUSH, GALE & ASSOCIATES, FIELD VERIFIED IN SEPTEMBER 2012. BENCHMARKS. 1- BRICKNAIL AT THE SOUTHEAST CORNER OF THE DROP INLET (EL. 457.79) 2- PAINTED SQUARE LOCATED AT THE NORTHWEST CORNER OF THE DROP INLET (457.44). 3- TOP OF SANITARY SEWER MANHOLE #4 (EL. 429.89) 4- SOUTHEAST CORNER OF CONCRETE SLAB AT PROPANE TANK (EL.' 424.27) DA TUM. ELEVATIONS ARE BASED ON NAD 83 DATUM. EXISTING VEGETA TION. MOSTLY WOODED WITH PREVIOUSLY CLEARED AREAS. CRITICAL SLOPES. CRITICAL SLOPE IMPACTS WERE PREVIOUSLY APPROVED WITH THE PHASE I DEVELOPMENT PLAN WITH THE APPROVAL OF SDP - 2004 -024 AND SDP - 2004 -045. THIS WAS APPROVED BY THE PLANNING COMMISSION ON OCTOBER 18TH, 2005 AND THE BOARD OF SUPERVISORS ON NOVEMBER 9, 2005. SEE THE CONDITONS OF APPROVAL FOR THE CRITICAL SLOPE IMPACTS, LOCATED ON THIS COVER SHEET. FLOODPLA /N /WPO BUFFERS. • THERE IS NO 100-YEAR FLOODPLAIN ON THIS SITE. THE 25' STREAM BUFFER IS SHOWN ON THE PLANS ACCESS: THE SITE ACCESS FOR- PHASE Il IS FROM THE PRIVATE TRA VEL WA Y THROUGH PHASE I OF THE DEVELOPMENT WHICH INTERSECTS ROUTE 29 AT THE EXISTING STOP LIGHT. LIGHTING.• THE SPILL OVER LIGHTING FROM PARKING AREA LUMINARIES ONTO PUBLIC ROADS AND PROPERTY IN RESIDENTIAL OR RURAL AREAS ZONING DISTRICTS SHALL NOT EXCEED ONE -HALF (1 f2) FOOT CANDL €. EACH OUTDOOR LUMINAIRE EQUIPPED WITH A LAMP THAT EMITS 3,000 OR MORE INITIAL LUMENS SHALL BE A FULL CUTOFF LUMINAIRE AND SHALL BE ARRANGED OR SHIELDED TO REFLECT LIGHT AWAY FROM ADJOINING RESIDENTIAL DISTRICTS AND AWAY FROM ADJACENT ROADS. THE SPILLOVER OF LIGHTING FROM LUMINAIRES ONTO PUBLIC ROADS AND PROPERTY IN RESIDENTIAL OR RURAL AREAS ZONING DISTRICTS SHALL NOT EXCEED ONE -HALF FOOTCANDLE. SEE THE LIGHTING PLAN FOR THE FINAL LIGHTING PLAN DESIGN AND LUMINAIRE SCHEDULE. RETAINING WALLS.- REDI -ROCK RETAINING WALL DESIGNS HAVE BEEN INCLUDED WITH THE APPROVED SITE PLAN. THIS WALL SYSTEM IS PROPOSED ALONG THE EXISTING STREAM BUFFER AND ALONG THE PROPERTY BOUNDARY AS SHOWN ON THE CONSTRUCTION PLANS THE RETAINING WALLS CANNOT DISTURB THE UNDISTURBED BUFFER FOR A FOOTING OR REINFORCING GRID. IF REQUESTED, DETAILS WILL BE PROVIDED WITH THE RETAINING WALL BUILDING PERMIT APPLICA TION THAT DOES NOT SHOW DISTURBANCE TO THE BUFFER. , MECHANICAL/ HVAC EQUIPMENT ALL _HVAC UNITS SHALL BE ROOF MOUNTED. MECHANICAL EQUIPMENT SHALL NOT BE VISIBLE FROM THE ENTRANCE CORRIDOR. TRASH COLLECTION: DUMPSTER PROVIDED ON PLAN. ADJACENT PROPERTY OWNERS. • SEE APPROVED EXIS77NG CONDITIONS, SHEET 2. PHASING. PHASE 11A - (THIS PLAN) ONE (1) COMMERCIAL /RETAIL BUILDING & PARKING AREA. PHASE 118 - FUTURE COMMERCIAL /RETAIL BUILDINGS AND PARKING ADDITIONAL UTILITIES. • WATERLINE AND SANITARY SEWER CONNECTIONS SHALL BE EXTENDED INTO THE PHASE Il PORTION OF THE SITE FOR THE PROPOSED DEVELOPMENT. ALL TIE -IN CONNECTIONS TO EXIS77NG UTILITIES ARE LOCATED ON -SITE. STORMWA TER MANAGEMENT FACILITY PROPOSED BIO -FILTER SHALL ACCOMMODATE STORMWA TER MANAGEMENT REQUIREMENTS SEE THIS PLAN FOR THE STORMWA TER MANAGEMENT DESIGN & IMPERVIOUS AREA QUANTITIES BUILDING SUMMARY BY PHASES. PHASE I BUILDING SUMMARY- RE TAIL USE. 10, 250 SF BANK USE: 3, 090 SF FOOD USE. 5, 000 SF OFFICE USE. 65,650 SF PHASE ll BUILDING SUMMARY- RETAIL USE: 45, 800 SF GROSS FLOOR AREA: 129,590 SF GROSS LEASABLE AREA: 103, 672 SF PARKING. • PARKING REQUIREMENT FOR A SHOPPING CENTER = 4.75 SPACES PER 1000 GROSS LEASABLE AREA: PHASE I REQUIREMENTS: 67,192 GLA REQUIRED SPACES • 320 SPACES PROVIDED SPACES 322 SPACES PHASE II REQUIREMENTS. • J6,480 GLA REQUIRED SPACES: 174 SPACES PROVIDED SPACES. 208 SPACES PROPOSED w/ AMENDMENT NOTE- ADD177ONAL PARKING SPACES PROVIDED FOR FUTURE COMMERCIAL /RETAIL BUILDING. A TOTAL OF 209' ADDITIONAL PARKING SPACES CAN BE PROVIDED, THEREFORE THE 208 SPACES MEET THIS REQUIREMENT. MAXIMUM EMPLOYEES• 30 EMPLOYEES ATONE TIME (PHASE Il RETAIL BUILDING) BUILDING SEPARATON: BUILDING SEPARATION SHALL BE A MINIMUM OF 10: WPO PLAN AMENDMENT RIO MAGISTERIAL DISTRICT ALBEMARLE COUNTY, VIRGINIA SHEET LAYOUT SCALE: 1" = 100' CURRENT OWNER /DEVELOPER FIRST GOLD LEAF LAND'TRUST P.O. BOX 1333 CHARLOTTESVILLE, VA 22902 p ilOJECT ElqGiNEEn N COLLINS ENGINEERING 200 GARRETT STREET, SUITE K. CHARLOTTESVILLE, VIRGINIA, 22902 PHONE: (434) 293 -3719 FIRE DEPARTMENT NOTES 1. CONSTRUCTION TYPE IS MASONRY NON- COMBUSTIBLE (ISO CLASS 4, IBC TYPE IIA). 2. KEY BOX IS REQUIRED BY THE FIRE DEPARTMENT. THE FIRE DEPARTMENT SHALL BE CONTACTED DURING CONSTRUC7ON TO DETERMINE LOCATION. ' \N RoghTS FR v OIL X00 N 4- �o 0 o�oe� SITE 4 i VICINITY MAP SCALE: 1" = 2,000' Sheet List Table - SITE PLAN Sheet' Number Sheet Title I COVER 9 STORMWATER MANAGEMENT PLAN 2 TOTAL NUMBER OF SHEETS WPO AMENDMENT PROPOSED CHANGES REDUCED THE FUTURE IMPERVIOUS AREA CREDIT FOR AWATER QUALITY TREATMENT & DETENTION TO OFFSET THE ADDITIONAL IMPERVIOUS AREA PROPOSED WITH THE AMENDMENT OF a.6 PARKING SPACES (SDP203300036). LEGEND ROADS C s DEPARTMENT OF COMMUNITY DEVELOPMENT EXISTING CULVERT + CUL VERT 0 DROP INLET & STRUCTURE NO. E0 CURB --------- - - - - -- 200--------- - - - - -- CURB & GUTTER 200 PROPOSED PAVEMENT 240.55 EC -3A DI TCH 6� DEPTH OF EC -3A DITCH --- EC -2 DITCH 8" DEPTH OF EC -2 DITCH APPROVED by the Albemarle CQL.mijF Connimunifty Deve opment Depa Date File 1 APPROVALS C s DEPARTMENT OF COMMUNITY DEVELOPMENT PLANNER/ZONING + iD l .� INSPECTIONS E0 m --------- - - - - -- 200--------- - - - - -- DEPARTMENT OF FIRE RESCUE 200 ALBEMARLE COUNTY SERVICE AUTHORITY 240.55 VIRGINIA DEPARMENT OF TRANSPORTATION ./'-- HEALTH DEPARTMENT T/B DENOTES TOP OF BOX APPROVED by the Albemarle CQL.mijF Connimunifty Deve opment Depa Date File 1 APPROVALS NkTE DEPARTMENT OF COMMUNITY DEVELOPMENT PLANNER/ZONING + ENGINEER INSPECTIONS T ARB --------- - - - - -- 200--------- - - - - -- DEPARTMENT OF FIRE RESCUE 200 ALBEMARLE COUNTY SERVICE AUTHORITY 240.55 VIRGINIA DEPARMENT OF TRANSPORTATION ./'-- HEALTH DEPARTMENT ... ... EARTH DITCH DRI VEWA Y CUL VERT + BENCH MARK CLEARING LIMITS T VDOT STANDARD STOP SIGN --------- - - - - -- 200--------- - - - - -- EXIS77NG CONTOUR 200 PROPOSED CONTOUR 240.55 PROPOSED SPOT ELEVATION ./'-- TBC DENOTES TOP /BACK OF CURB T/B DENOTES TOP OF BOX Aggg�i s�;requesf for modifjaation of Sxtion d 2�o ylicw nccrvn. gncritiel slopes: degree; amo�erzs.aap; j. :In adaitiori to xJi ottier•ezcssion anii sedtttietiticcntroi measures that t»ay: Ira raganed by the 1Valar Fmteeti©n:Oednanca; #te.apPlieant shad providev,rasroti'nncl sediatetit rAnuai.measutes w acsiixe, io the sazisfaetion ofthe Progcatii Airtlmrity tiiatrtts pmvidinghigh Lwslsofaiiectiueae9s fn cctiifUiag :sedimsntduringeonsa{t�op. �heserneasuoesshutliixlude ,butpotb_13mitedtn: a A toast efon schedulethat,: minimizest6 -duration.ofdisturbance {eg, phasitlg; -ofthe etvipn and�sedttttent cantroi plan:. tt. Usingheghaf% tx�ency: 5diptetli: sin5desigtetj# aitzoiudeifickse:o an�: c: °11Aaitingxposed aWpes:as' determined appropriate try thcPsograin Autlrority; d '?hecozatactoc'shal3hav a;i3rspo ilsictand3alst)ubetl` ;iZL27kon # ttesitetiwugbputthe periodtlluingwhiohtnesitpisunderconstnt tionlire." Itti? "dtz3tmaintainadsilyemsion :andsedim tifcontrokinspecdoniogdemanstrotingxhattroaienands edtuiontcantroi;Seasurea nt arabem$ closelymonitoirtienddefteienctesari 'beingiluiritiyrepaund The "I2LI) "shah +untro ihat ati controi measrans ere ixiitg ntauttairied iaoptimal condition. he 3og1ha11 be mails avatiat:leifar tnspreCton by the Prssg:artt Authority at any flnic duti ig ragu16 k uinrss tors. — e., Tfdetetmitoedso be:necessary fiY t!!a`Piagrstn AtEfsont};,thesuret�yequited by�AttiemartE CauntyCadeSesttan7In20 7sitatlinciudeanwwuntdO mtinedbythoPjo lulttgrityto Ise "reasoaab}v necessary io'take corrective aciian:id repair ar.- tora:downstm= pMpett es. =j ably eonsSmpt art by ranrifP ar sedhncnt 2 .'Itt addstton_ta alt �tdisr:stttrm Prater managemeitt.it ggtHnaments tl a *y- be required by die, Water. Erptgchon Kkdsnanee a. The stutttnvatumaitagptxeptplaa shad itictude additioaal;messu'res deieruipe� by thc;f!r4gram; rj,athttrt} m be:necevsary in orderto cgpfure, xp the:ttiaitirnura exteru :praetica2.ahe:ntnoff:fiwu, dies site; hothrduring aadiafter >ratsuuction. b thcstoatv�stermatiagemetttparsghat} Yttciudotncasuxsto�revett ,tothrfiu le! aexieat9assihie damagli�g coud-fi as downstt�atn pmpertros ci.receiyieg watervtags iivm occarring as s. resttit ofthe d'evetapmeni.o€ the site „is uth:dut3ngandafter coastructicsn. C.inardeto- aitosvflteProgrem. Authtytu' devaiopapTOpriatetdcasurestzr :aatisfvpaleglap7ts;(a }: and{t?).aft3�tscooiition, theappiirmtisttait�dbgiii.il arse? arnonatrat 'sngthepealcficvrofrutlaiz fixes the site and the:peak flew ai rwrEff owning onto the situ jAtbemarle Fouritva;Codcs 8.: Jnthcpian: ilurittgeotumaWbnhe: scqu�tccvftheatttimawatermauagetnetitaddressestnesw2cFiip6 over Af rite sa+eazn 31ow, if any,•; .: Irseon }'uizctien:withs(<e fiitai sitepten, sat3SeichtJandscapiztgandscnieciingeutieyrewtdc tp:scse ssfjapankies',aen[ial pipsnres Ymm _airaaafd;sturbed �'ticaa 51q?ac; and o SCOT COLLINSZ Lic. No. 035791 ss,_OXAL z 0 a U to w 0 z 0 T U) Z 0 ~ ui v H M W W z -' 0 a � m Ln cn W z 0 -% z a z M W +� o rn Short Version BMP Computations For Worksheets 2 - 6 Albemarle County Water Protection Ordinance: Modified Simple Method Plan: Northtown Water Resources Area: _ D evebpmentArea Preparer: FGM, PE Date: 13- Sep-13 Project Drainage Area Designation Post Developrtrent DA# 1 dg!!nJrQA Biofilter _ L storm Mutant export in pounds, L = P Fj Rv/12 C(A)2.721 po xpo po [ (t) ] I RV mean runoff coefficient, FN = 0.05 + 0.009(1) PI small storm correction factor, 0.9 I percent imperviousness P annual precipitation, 43" in Albemarle A project area in acres in subject drainage area, 1___A_!!___. _ _. `., `10,95: C pollutant concentration, mg/t or ppm target phosphorus f factor applied to RR V required treatment volume In cy, 0.5" over imperv. area = A(i)43560(0.5/12)/27 RR required removal, L(post) - f x L(pre) %RR removal efficiency , RR100/L(post) tmpervious Cover Corutatton Ivaktes in feet & square feet) kem____ _.__..---- .__.---- .- ._- - - - -.. -_ -_ ___.- __._ -.__ -_ -_ --- _-- -__ - -. ________-- __.... -___ _ . - -- e•deveto meet Area t-deve k rant {Total Areas) - - --- , -p Impervious Areas sublotai _ _ _ Impervious Areas subtotal 1 79 Existing Residential Subdivision within watershed 9,100 158 Existing Residential Subdivision I 9,100 -. -_ . EVERGREEN TREES Existing Rte. 29 within watershed __ 65,550 NELLIE R STEVENS HOLLY I 33135 1 44 1 15 s §1UX 6 ru 1 I MAGNOLIA GRANDIFLORA LITTLE GEM' I LITTLE GEM MAGNOLIA oposed evoplment- arlang Lo 1 82 1 i ^� SHRUBS includes amendment -16 spaces) i 13 RED TWIG DOGWOOD I_ -_ ! I roposed evo merit- idewa k 2,448 I FOTHERGILLA MAJOR FOTHERGILLA 18" ht. min 20 42 i IC uGUe Develo n ad . to Biofilter 7 81 24" ht. min __ - __ ___ ...-..- _ ... -.._ _ 9 100 _ 293 466 o a __ . __.- ... Activety- grazed pasture & Area ( _ -- Area 64 ards and cultivated turf 467 88 x 0 08 - Y 2 - 7431 31_� _- 183 5 6 x 0.0 - I �?y 8 - L 681 _ Active crop land Area x0.25= !� I� j Area I -u ix 0.25= - -do Other Impervious Areas h 'wVV_ Forebay CN 0! Contours ! 01 Impervious Cover - _ "' . 10 %1 - 7.65% epee) I(post) ' 1post0 Y_1 _R 0 63 I `;475.5 New r- Develo A"t For Deveb rrt Areas existi bua cover 20°!0 _ p , C I f I e! Rv re 1 MP_T i L(post) 1 RR_ I % RR i Area Tpr e 0.231 14.781 40.581 25.80 "54°!0, DevebpmentArea General BioNter Construction Notes: 1. Biofilters shall not be installed until the site is determined to be adequately stabilized by the erosion control and water resources inspectors. BIOFILTER PLANT SCHEDULE SYM BOTANICAL COMMON NAME SIZE CANOPY (sf) TOTAL SITE QUANTITY COVERAGE (sf) TREES BN 1BETULANIGRA 2. A MINIMUM OF 3 TREE SPECIES AND 3 \ RIVER BIRCH 10' -12' ht. 1 397 1 7 1 2,779 TO 1TAXODIUM DISTICHUM I BALD CYPRESS I 10' -12' ht. 1 79 1 2 1 158 UNDERSTORY TREES AG AMALANC IER RANDIFL RA H xG O SERVICEBERRY 6 -7 ht. 2 130 260 EVERGREEN TREES IN ILEX x'NELLIE R STEVENS' NELLIE R STEVENS HOLLY 5' -T ht. 1 44 1 15 1 660 MG I MAGNOLIA GRANDIFLORA LITTLE GEM' I LITTLE GEM MAGNOLIA 6' -8' ht. 1 82 1 6 1 492 SHRUBS CS CORNUS SERICEA RED TWIG DOGWOOD 18" ht. min 72 34 2,448 FG FOTHERGILLA MAJOR FOTHERGILLA 18" ht. min 20 42 840 IC ILEX CORNUTA CHINESE HOLLY 24" ht. min 14 30 420 iV ITEA VIRGINICA'HENRY'S GARNET' HENRY'S GARNET SWEETSPIRE 18" ht. min 64 44 2,816 TOTAL CANOPY I I I I 1 113,873 /,� j / / l/ . / / / v/ / / / / / / I I qo / i / / �/ % , \ \ '/ . / �/ / Z11 ,- / / /' / "� I'' ]�/. I / / , // I I // / / / / ,- / // / / oa I, I \ \ \� i � 09 I 1 � e n II ' it \ \ 'i a i o � \ TOTAL Tc =O. hi i + - , � 100 OF OL wrrsl)) I I \\ I 1 + I i I I \ 4' OF CF w/ LE __ \ i + ( \\ �� (Tc= . 3 hrs.) i a \\ ')� i 1 \ `-- --, . I ti ), " " � 1 I / o 1 J ,% / ---- -_ EXI.. ... ) I /1 I- ( I / � `� AREA ill / / � -� . • I /, -� o I / � / EVAL ' �� D A # m 11 \ /. l j �/ / N =� ,/ I �� / / /' /� / , I �� \ 0.2 firs / /1 /� � / i I / /I JJI 7 r n I r � / i 1 , \ / / I , I � \ / �/ \ l l I � � / , " �/ ( , \ I I I BIORETENTION BASIN DETAIL TH SCALE: 1"=20' Z= ......... �. . . / . / .. SCOT`, R. COLLINS'Z C) +~ . . . /. . ' . I . ./. U Lic. No. 035'791,'3. ..'� :. /... / �� '7115115 �� .1... . / o . - - .. � . APP OJT. __ Z , - VARIABLE'-.WIDTH' /. / s . e••,ua•I ' r e e'rt It r-n1r ' ' . ,. . . . r. IQNAL T'� �' \ PROPOSED ACCESS ROAD (35 / i x .. I' _ . z SDWK -SDWK) SHALL SERVE AS .>, - `k ... _ k /. p I .1 ' L�vINKMENT &SWM ACCESS. I + + . I. � / . I °- PAVEiGiENT - -- ELEV.= 455 -4591 i :.. :\ ':' '''.. - ;.\ ' ... v 4" SOLID PVC CLEAN -OUT STAND PIPE w/ WATERTIGHT, ;S .: k i 2 N I w . 14 . . THREADED PVC CAP. CLEAN -OUTS TO BE PROVIDED AT Z oN AND :..x H N ER RAIN PIPING AT JUNCTI S � IMP RVIOUS THE END OFT E UNDERDRAIN D I , w o MIN. V) ALONG THE UNDERDRAIN SYSTEM EVERY 50 O•C 6 iN ;� : -. LOPME E L (TYP.) MG i 1. . x. , .. LU f . W Exl TING Y k _D AS TRACTOR � %. � � '' APPROVED RISER. CON .. UTILIZE EXISTING/ I 1 . - VM I N SHALL PLUGAPPROVED06 "ORIFICEPRIORTO I /' t .}1 j ® I : i Ik . CONVERSION TO SWM FACILITY& INSTALL FOUR , x. .. . . 06" LOW -FLOW ORiFICESATELEV. 447-o'. ALSO, k /..*.:.' :.:. , v I k �I '11 FG ' .... . . , CONTRACTOR SHALL RAISE R/SER s TO ELEV. 450' I k..• i I . ' . . ,Y, •.. . P / - MANHOLE w DI 7 TO R1M 7RUCTURE 34. OC TER .FLOOR S k '� i Fri E L00 (DESIGN . 0 L ELEV = 449.00 w/ STRUCTURAL HOPE TRASH RACK - . `- .: k.. i EL V: =• 446.0'. . . 8 FG I.:. .. . . . .. .k _ .. ..:�1' . I a k I I - .... I 1'' i I . I. 2. The water resources inspector th under-drain installation a d a r ve 1 M � (9 �' �' I . . must inspect a n pp o � o , I . 1 . , the soil mix prior to backfiliing the biof/iter, and approve the completed installation. �% a f o : v 4 I 1 TD - . GRASS GROUND COVER FOR SLOPES �•.� -P I �. �' Contractor shall contact the water resources inspector 24 hours prior to // ' - / \ 11111111 i� \ T c =0 24hrs GREATER THAN 3:1 !N SWM FAC1L)TY. (IGRAS - (,"..jpE"'j�j+'D .4TL'D SL'. �'i U.LE ' ' back611ing the biohiterand request an inspection and approval of the � / 1 I "" GROUND COVER LIMITED TO CUT SLOPPES & ± - t3� �. Z under -drain Installation and the soil mix. i `/, / II 1 I I j I �- 1 \�\ 0 ' O OLF w/ 0 ELEV= 6'r {l�,/ •. x. o (2) BN: ( 40 . PVC .PIPE 0. �/ � - Tc =0.21 hrs.} SHALL NOT EXTEND INTO THE SWM F CfLITY p General Construction notes for Stormwater Management Plans / /� /- M _� � � ` , 1 � � ITITl.4.LE'.1V?' A14A2 . : D% O as a o I \ r = , 1. All dams and constructed fill to be within 95% of maximum dry density and 2 /o - - -4- - - � 475 OF CF w/ ,L ELEV 34 R ALL BE MADE OF CL. / +' \ WPE'. '(MIN% ACRO .S H / \ of optimum moisture content. All fill material to be approved b a eotechnical / , �,,,,, , � � {3) FOREBAY iNE/ S SH 3 t i p ppro Y 9 /� 1j -I T�-I I - • RIRLAP w GEOTEXT5' WIDE FABRIC ' x E IRE WIDTH PCB. 20' C. [/� engineer. A geotechnical engineer is to be present during construction of dams. / .1 i ! I 7 � � �\ \ / -� / k : l OQ x k V riser joints are to w - UNDERLAYMENT AT {3) 5 WIDE WEIR CRESTS . 1 ' '. .. 4UT�'ALL. PIPE /7`1�-1 . 2. Pipe and 1 be watertight within stormwater management / / I 111111111111111111111111111111111111111 ./ \ l - , AT t facilities. II I ! �1 . • ___ ___ (3) FOREBAY TOP OF DAM WIDTHS 2 k; :- 9 IV I : 5 . 1 I( I I i 1 ELEVATIONS OF 450. CS .. 3. For temporary sediment traps or basins which are to be converted to /. // _ - i \ �� , , i . . \ I ermanent stormwater management facilities conversion is not to take Ice - i \\ BOTTOM DiM: 4 x12 7 IV . . � p g place _ -�' \ APPROX. BANK FOREBAY B 0 w� until the site is stabilized, and permission has been obtained from the County /� :' , i \ \ '� w/ A WEiR CREST ELEV - 448.8). k: 4 ARIABLE. WIDTH erosion control inspector. // / I ) \ \ \ (APPROX. RTE 29 FOREBAY BOTTOM DIM: 1 TD k k \'' , WM . EAS.EM.EN ' \ _ EXi TI RIOUS -AREA / 1 D.A. #1A _ ':: ': iii ' F O TfR5- BA{�1K & - ' ��=64.� 78ac I \ \ 6 x14 w/ A WEIR CREST ELEV = 449.68) k Q . . . . . . / I � t \ \ \ (APPROX. PROPOSED DEV FOREBAY BOTTOM k5} IN �k 1 � - (TY..)I . I.' I ;' S/ i I -- _ 1 \ \ \_ �� DIM: 8 x27 w/ A WEiR CREST ELEV. 449.16) � 7 'FG : :: A ] \ rfl n 1. PR POSED IN WM DES N - Tod 0.24hrs. \ I ... . OV ( ; - %. & - Al I �� 7� I, :.' . ♦ �' :, \ _­ 411111111, _111/ /�- _.___ -__ __ - 1. ..... ... o .. M - . . .11 :.... ® \ .. VARIABLE WIDTH SWM - _ _ EXISTtN6 tMPEf�VtOd5 AREA __ __ - _ - - _ _ _.-.- EASEMENT COINCIDES h k k \ k / - - - - .. v 1. _. _ - - -- - "- FROM -R 9 EVACI�ATED7•��.- - _-- -- - - - -� I\ - - - � - - - - - - - -- -� _ _� - - -- - - -- - w EXISTING UTILITY n k ' - . . LU BIOFILTER LANDSCAPING NOTES: 1. 122 PLANTINGS REQUIRED, 182 PROVIDED. \ . II r -., . I C3 2. A MINIMUM OF 3 TREE SPECIES AND 3 \ materioi SHRUB SPECIES MUST BE USED. 3. ALL PLANTINGS SHALL BE IN ACCORDANCE I \\� 1�2_ 7 WITH VSMH 3.11 -20. I Q I- SEE THIS SHEETJFOR LANDSCAPING TABLE 1 Z . - -- . . . ........ . _ . . . . . ... . .. - -- . o � -- . - a. �- a - a $. n. . . BIORETENTION BASIN FLOOR REQUIREMENTS: - . . . . . ..... aaaa� . M ... .. M . M _ .. .. .. All . Volume . . . . . . 1 . � M.. . - ... . UTILIZE EXISTING) PROVED QJS� "'STORM' Volume __ _ Elevation Area of Volume l.. SEWER.AS.BARREL OR.SWMFACILITY... � .... � . (1)TD . ' . . .. - . CCNTRACTCYST'S Alt R�STEEt- PLATE..... S . . . * ' ' .. . .. . . ... .. 'COLLARS ARE INSTALL3N THE STOR YE . . . .... ...... . . . I . :-- SE�{VER: C -0NT#ACC SE LADE . R . (cfl (ft) • . . "...... " &-BARRELSTRUCTURES] N.THE-EVENT.T , E_ .. . .. a . , . .. .. I'a d : a ' <. . PROPOSED LAYOUT CANNOT B PROPER Y .. ' - . a_ __:� ' - o--o -c ...... .. .. ..CONSTRUCTED•. .. .... .. ' Facility Volume (cf) APPROXIMATE PLACEMENT OF UNDERDRAINS ; _ , . . ..... .. . . . . . ( APPROVED. 054 • CL:. /V. RCP SLOP 0. 0%• ' ' . . . OUT= 430.48 4" SOLID PVC CLEAN -OUT PIPE. Proposed Impervious Area to SWM Facility= 270,611 sf i �� k . IN IN= & .INV . 4,5 ..Ott'. Contours (sf) W. S. E. = 452. 0) Contours (s:# h 'wVV_ Forebay CN Contours u,, k \ I I I BIORETENTION BASIN DETAIL TH SCALE: 1"=20' Z= ......... �. . . / . / .. SCOT`, R. COLLINS'Z C) +~ . . . /. . ' . I . ./. U Lic. No. 035'791,'3. ..'� :. /... / �� '7115115 �� .1... . / o . - - .. � . APP OJT. __ Z , - VARIABLE'-.WIDTH' /. / s . e••,ua•I ' r e e'rt It r-n1r ' ' . ,. . . . r. IQNAL T'� �' \ PROPOSED ACCESS ROAD (35 / i x .. I' _ . z SDWK -SDWK) SHALL SERVE AS .>, - `k ... _ k /. p I .1 ' L�vINKMENT &SWM ACCESS. I + + . I. � / . I °- PAVEiGiENT - -- ELEV.= 455 -4591 i :.. :\ ':' '''.. - ;.\ ' ... v 4" SOLID PVC CLEAN -OUT STAND PIPE w/ WATERTIGHT, ;S .: k i 2 N I w . 14 . . THREADED PVC CAP. CLEAN -OUTS TO BE PROVIDED AT Z oN AND :..x H N ER RAIN PIPING AT JUNCTI S � IMP RVIOUS THE END OFT E UNDERDRAIN D I , w o MIN. V) ALONG THE UNDERDRAIN SYSTEM EVERY 50 O•C 6 iN ;� : -. LOPME E L (TYP.) MG i 1. . x. , .. LU f . W Exl TING Y k _D AS TRACTOR � %. � � '' APPROVED RISER. CON .. UTILIZE EXISTING/ I 1 . - VM I N SHALL PLUGAPPROVED06 "ORIFICEPRIORTO I /' t .}1 j ® I : i Ik . CONVERSION TO SWM FACILITY& INSTALL FOUR , x. .. . . 06" LOW -FLOW ORiFICESATELEV. 447-o'. ALSO, k /..*.:.' :.:. , v I k �I '11 FG ' .... . . , CONTRACTOR SHALL RAISE R/SER s TO ELEV. 450' I k..• i I . ' . . ,Y, •.. . P / - MANHOLE w DI 7 TO R1M 7RUCTURE 34. OC TER .FLOOR S k '� i Fri E L00 (DESIGN . 0 L ELEV = 449.00 w/ STRUCTURAL HOPE TRASH RACK - . `- .: k.. i EL V: =• 446.0'. . . 8 FG I.:. .. . . . .. .k _ .. ..:�1' . I a k I I - .... I 1'' i I . I. 2. The water resources inspector th under-drain installation a d a r ve 1 M � (9 �' �' I . . must inspect a n pp o � o , I . 1 . , the soil mix prior to backfiliing the biof/iter, and approve the completed installation. �% a f o : v 4 I 1 TD - . GRASS GROUND COVER FOR SLOPES �•.� -P I �. �' Contractor shall contact the water resources inspector 24 hours prior to // ' - / \ 11111111 i� \ T c =0 24hrs GREATER THAN 3:1 !N SWM FAC1L)TY. (IGRAS - (,"..jpE"'j�j+'D .4TL'D SL'. �'i U.LE ' ' back611ing the biohiterand request an inspection and approval of the � / 1 I "" GROUND COVER LIMITED TO CUT SLOPPES & ± - t3� �. Z under -drain Installation and the soil mix. i `/, / II 1 I I j I �- 1 \�\ 0 ' O OLF w/ 0 ELEV= 6'r {l�,/ •. x. o (2) BN: ( 40 . PVC .PIPE 0. �/ � - Tc =0.21 hrs.} SHALL NOT EXTEND INTO THE SWM F CfLITY p General Construction notes for Stormwater Management Plans / /� /- M _� � � ` , 1 � � ITITl.4.LE'.1V?' A14A2 . : D% O as a o I \ r = , 1. All dams and constructed fill to be within 95% of maximum dry density and 2 /o - - -4- - - � 475 OF CF w/ ,L ELEV 34 R ALL BE MADE OF CL. / +' \ WPE'. '(MIN% ACRO .S H / \ of optimum moisture content. All fill material to be approved b a eotechnical / , �,,,,, , � � {3) FOREBAY iNE/ S SH 3 t i p ppro Y 9 /� 1j -I T�-I I - • RIRLAP w GEOTEXT5' WIDE FABRIC ' x E IRE WIDTH PCB. 20' C. [/� engineer. A geotechnical engineer is to be present during construction of dams. / .1 i ! I 7 � � �\ \ / -� / k : l OQ x k V riser joints are to w - UNDERLAYMENT AT {3) 5 WIDE WEIR CRESTS . 1 ' '. .. 4UT�'ALL. PIPE /7`1�-1 . 2. Pipe and 1 be watertight within stormwater management / / I 111111111111111111111111111111111111111 ./ \ l - , AT t facilities. II I ! �1 . • ___ ___ (3) FOREBAY TOP OF DAM WIDTHS 2 k; :- 9 IV I : 5 . 1 I( I I i 1 ELEVATIONS OF 450. CS .. 3. For temporary sediment traps or basins which are to be converted to /. // _ - i \ �� , , i . . \ I ermanent stormwater management facilities conversion is not to take Ice - i \\ BOTTOM DiM: 4 x12 7 IV . . � p g place _ -�' \ APPROX. BANK FOREBAY B 0 w� until the site is stabilized, and permission has been obtained from the County /� :' , i \ \ '� w/ A WEiR CREST ELEV - 448.8). k: 4 ARIABLE. WIDTH erosion control inspector. // / I ) \ \ \ (APPROX. RTE 29 FOREBAY BOTTOM DIM: 1 TD k k \'' , WM . EAS.EM.EN ' \ _ EXi TI RIOUS -AREA / 1 D.A. #1A _ ':: ': iii ' F O TfR5- BA{�1K & - ' ��=64.� 78ac I \ \ 6 x14 w/ A WEIR CREST ELEV = 449.68) k Q . . . . . . / I � t \ \ \ (APPROX. PROPOSED DEV FOREBAY BOTTOM k5} IN �k 1 � - (TY..)I . I.' I ;' S/ i I -- _ 1 \ \ \_ �� DIM: 8 x27 w/ A WEiR CREST ELEV. 449.16) � 7 'FG : :: A ] \ rfl n 1. PR POSED IN WM DES N - Tod 0.24hrs. \ I ... . OV ( ; - %. & - Al I �� 7� I, :.' . ♦ �' :, \ _­ 411111111, _111/ /�- _.___ -__ __ - 1. ..... ... o .. M - . . .11 :.... ® \ .. VARIABLE WIDTH SWM - _ _ EXISTtN6 tMPEf�VtOd5 AREA __ __ - _ - - _ _ _.-.- EASEMENT COINCIDES h k k \ k / - - - - .. v 1. _. _ - - -- - "- FROM -R 9 EVACI�ATED7•��.- - _-- -- - - - -� I\ - - - � - - - - - - - -- -� _ _� - - -- - - -- - w EXISTING UTILITY n k ' - . . LU PPect Watershed Summa (Area)______ I Pre- Dmelopnient PostDowlOpment D.A. #1A I 3.17 _ ac. 10.95 ac. / %�-!- D.A. #1B -I 7.78 ac. " Total= 10.95 ac. 10.95 ac. ` �, // ; I- / i / , Pro' ct Watershed Summa 2 -Year Flow \1\ \ i ti , )\ / , / / / j Pre-Development Post Develo ment \\ \ '' / / / Z / /� D.A. #1A 6.45 - ' cfs 5.04 cfs 1 l / / / / / /_j rD.A. #1 B j 1.47 cfs I 1 i / / ! / / / / Total= 7.92 cfs 5.04 cfs 1 + , I--* ( 11 I / / u TC1RE ©t_t�PM�NT NO / ,-/ / ./ X, Project Watershed Summary 10 -Year Flow �\ ', ' , . , . i ,� //'' f CPO N ED FOR IN Fi f P S Z "- Pre - Development P - Development I l { � \ / � - I (S �M SON. SWM O LA CE" 1/// / ' / ii D.A. #1A 16.99 cfs j 1 ' I I F Rfi i FUTURE DEV LOPI1�i ENT/ / / cfs 20.27 cfs ( Rte: '� S LL OCCUR S,EPA I FROM j / / ri / D.A. #1B 5.32 __ _; � `,_ I ` \ 1 I ! I T IS, /SET OF PLANS. �' a�a Total= 22.31 cfs 10.27 cfs } '•••••. I , / � ° a vv III I The applicants shall restore the channel from the property line of TMP 45 -110 to the permanent °'9Ji / � ` I I � � I I l o � \ pool of the first Carrisbrook Pond on TMP 45B1- 01 -OA -3 as a compromise solution for meeting \ " I \ \ I , I o I ; \, � M 1 agreement between the applicant and S 9 Adequate Channels" as per the agreeme reached betty the County on May 29, 2008. The applicant will excavate the channel to the cross- section designed \ I I i I \ by Albemarle County Engineering and provided to the applicant on January 4th, 2008. A copy of I \ \ \ � ` ` I I i