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Home My WebLink AboutWPO201500055 Plan - VSMP Minor Amendment 2018-01-12lips ;1V4 fff 1 -1 L--- VSMP MINOR AMENDMENT SITE DATA: ENGINEER: TIMMONS GROUP 608 PRESTON AVE, STE 200 CHARLOTTESVILLE, VA 22903 TELEPHONE: 434-327-1688 CONTACT: CRAIG KOTARSKI, P.E. CRAIG.KOTARSKI@TlMMONS.COM TAX MAP PARCEL: 61 Z -3-5A LIMITS OF DISTURBANCE: 1.36 AC* *NOTE PROPOSED AMENDMENTS TAKE PLACE WITHIN ORIGINAL LIMITS OF DISTRUBANCE SOURCE OF BOUNDARY AND TOPOGRAPHY SURVEY CONDUCTED: JANUARY 17, 2014 TIMMONS GROUP 2815 N AUGUSTA ST SUITE C STAUNTON, VA 24401 TELEPHONE: 540-885-0920 CONTACT: PAUL HUBER PAULHUBER@TlMMONS.COM DATUM: HORIZONTAL: NAD83(NA2011) VIRGINIA STATE GRID SOUTH VERTICAL: NAVD88 ESTABLISHED THROUGH LEICA SMARTNET OPEN SPACE PROVIDED: 0.31 ACRES (31.96%) TOTAL IMPERVIOUS AREA (WITHIN PROJECT LIMITS): 0.91 ACRES WETLAND IMPACTS: NONE DRAINAGE DISTRICT: MEADOW CREEK WATERSHED THERE ARE NO CONSTRUCTION ACTIVITIES PROPOSED WITHIN THE 100 -YR FLOODPLAIN. VSMP WPO 201500055 COUNTY OF ALBEMARLE, VIRGINIA 12/12/2017 ��° ;�t�Irlauclt� I �d 18 �°ai Icst li?uiiillFa 1`a-6hiofi Scl afe Nltall 1� I t�: ) 'a`iood t�rt11 Buffet 1; 3,7`lt 1 r d` SITE LOCATION r° VICINITY MAP SCALE: 1" = 1,000' OWNER: WIAL LLC 200 WESTGATE PARKWAY SUITE 203 HENRICO, VA 23233 CONTACT: GRAHAM ADELMAN EMAIL: CAMBRIDGEHEALTH@MSN.COM OWNERS REPRESENTATIVE: MILESTONE PARTNERS CHARLOTTESVILLE, VA 22902 CONTACT: L.J. LOPEZ TELEPHONE: (434) 245-5803 EMAIL: LLOPEZ@MILESTONEPARTNERS.CO ENGINEER OF RECORD: TIMMONS GROUP 608 PRESTON AVE, STE 200 CHARLOTTESVILLE, VA 22903 CONTACT: CRAIG KOTARSKI, P.E. TELEPHONE: (434) 327-1688 Sheet List Table Sheet Number Sheet Title C0.0 COVER C1.0 STORMWATER SUMMARY PLAN C2.0 STORMWATER MANAGEMENT PLAN TOTAL: 3 SHEETS s e !t tri/14, I,yF ilt Da(tt�Y3 SIGNATURE PANEL: APPROVAL DATE ALBEMARLE COUNTY ENGINEERING NO. DATE ISSUE TIMMONS GROUP YOUR VISION ACHIEVED THROUGH OURS. VIRGINIA I NORTH CAROLINA I WEST VIRGINIA THIS DRAWING PREPARED AT THE CHARLOTTESVILLE OFFICE 608 PRESTON AVE, SUITE 200 CHARLOTTESVILLE, VA 22903 TEL 434.295.5624 FAX 434.295.8317 www,timmons.com Site Development lResldentlal lInfrastructurel Technology " CRX(G W. J, KOTARSKI ' Lzc. No. 0402048507 iz SEAL KEY PLAN Perliffis Eastman 520 WEST SIXTH STREET CHARLOTTE, NC 28202 T. 704.940.0501 F. 704.362.4602 Owner: WIAL, LLC 200 WESTGATE PARKWAY, SUITE 203 HENRICO, VA 23233 Owner's Representative: MILESTONE PARTNERS 300 2ND STREET NE CHARLOTTESVILLE, VA 22902 Construction Manager: WM JORDAN 708 BAINBRIDGE STREET, RICHMOND, VA 23224 Civil / Site: TIMMONS GROUP 608 PRESTON AVE, STE 200, CHARLOTTESVILLE, VA 22903 22902 Landscape: ANHOLD ASSOCIATES 8311 ROCKFISH GAP TRNPK GREENWOOD, VA 22943 Structural: LAURENE RICKHER 8e SORRELL 8701 RED OAK BLVD # 520 CHARLOTTE NC 28217 Mechanical & Plumbing: OPTIMA ENGINEERING 1927 S TRYON ST #300 CHARLOTTE NC 28203 Electrical: OPTIMA ENGINEERING 1927 S TRYON ST #300 CHARLOTTE NC 28203 Food Service: CORSI ASSOCIATES 1489 BALTIMORE PIKE, SUITE 109 SPRINGFIELD, PA 19064 PROJECT TITLE: BRANCHLANDS MEMORY CARE & ASSISTED LIVING 1250 BRANCHLANDS DRIVE, CHARLOTTESVILLE, VA 22901 PROJECT No: 55930.00 DRAWING TITLE: COVER SCALE: AS NOTED Como VSMP PLAN AMENDMENT 12/12/2017 ROUTE A9A 0 N d /rP /P V V M M 0 T1- -0 2 O U o - U v C: �-aco 00 Ui ' C - 00 m� N d m� t-� - d 415 T 42.68' OF ._._._ _ �8n HDPE_ __ 415 -,,qz =O ��0 @ 3.00% LOWER END (I 1) x C� 301 O � NQa> > ." <IL OMco�Z Z coo U) 49S 9+50 10+00 11+00 12+00 12+50 STR304-EX STRM PROJECT Branchlands HORIZ SCALE: 1 "=50' VERT SCALE: 1"=5 STORM CALCULATIONS. 0 50 PROFILE SCALE DESIGNER: J. Wilson CHECKED: / %` r ( i `' I Kr )' . r° %f? r ,. - / l ! `O I , , - , ,� �x, / j .1� I + . - " Z� , I I - , 1. . I I -, , " �!, / I � 11� - % � -1 I � I � � , , 1, , � , I . .-,/" �. I - , , ,�� , f \ , I / to (;1 j f , r.. �� ti 4ai� 'I 4 -/ i 1__ / I z - , � 11 ,J� I I r' ', , > _ 106 ,;4 �'`,) r' 1 :, k ,- I „ `Ni,, /. `I I f' „ + ` >^ 107 \ / {s'r f z / \ � /11 I if , tJ, � 1 is l f` S <' '` } 109 I l t l I{ j 1. ._rr�� .. I -},., `-•�\ ;'I r 1 i//I I lii I r V� a -�.1, -I -1 ( 3 l .'�*::, n `..` , /� / \ i r� l l 4 '' ,' , \ I l j �' ,,• / . ` - 105 / w. �� , .,�•n i \ I I\i' ' l ) d"AI I! ,��f I t'�s ,9 - �,. 1 I 4� t "/ �r , a a 11' I I- �. \ r-,? -; t Ir 1 ,,•,F �' ':v"' \, , _�j, I l\'�f � I :j .� I I I.. i'�i:: �'4. .:f i1�1 .t'?` it .l b ,, r I `� i ,. y 1 .s 1 i �' t / J%i .. 1 �I �- _ 10.4 / ; : , , '. _ ,, , �`� � 1 , X10 �' / / _ - 429 �I\\ C 1 ;: ? , ` \ i , I , - �, ': \ �4 '� r 102 r I I / ;' / , I: j r -- ! `,i7` -:' r l , , if", / �..�i _ i,. - _. _.. �' 1 \ ;',%,i ! �� I j �r i r s" 1 j i i " I ) �,11a, ' �'� -f2 x I ! I. I I ,t o 3 ' - ) i jl} },, „` r •, ,, . %� ; :., , i /' r. • e ,_ > I I �s / _ `` X ,-�Y", , , , - I _,, . : .."I ., „ 101) 1:::" .. :.. \ , - , :, 1 �, I IF"a <, \ _�. k. ,, s - ,'' 1 i b , _. ,� '., .; - : \ , �- / / . ; I tr'-� , �, TIE ROOF LEADER c irlf rr ,,`i .. I .1\ - r ,,. �� TO STIR 302. "I ! vy f. r`' 210 i - 41 /; . `, INV= 6.58 =s' ' 0 � \ ,,9; >./:: ,;�'". ! F- { ....j -!�, t`:ldj1 it (. F_�r.i 1 5/r.j. ,r) / �)V. / f 11 \ _11 , TIE TO 6" ,, r'' %' - f / .% , , �IilV11 s! 11 3 \ \ u J y- J. d2. r� � : l ' ,, ; ST -DEVELOPED CONDITION WATER QUALITY CALCULATIONS SUMMARY FROM RUNOFF REDUCTION SPREAD SHEET (SEE CALC. BOOK): TOTAL ON SITE DISTURBED ACREAGE: 1.36 ACRES PRE -DEVELOPMENT LAND COVER: 0.35 AC FOREST 0.73 AC TURF (B SOILS) 0.28 AC IMPERVIOUS POST -DEVELOPMENT LAND COVER: 0.38 AC TURF (B SOILS) 0.98 AC IMPERVIOUS REQUIRED REMOVAL: 1.39 LB/YR RUNOFF REDUCTION PRACTICES APPLIED: BIORETENTION LEVEL 11 REMOVAL ACHIEVED: 0.11 LB/YR CREDITS PURCHASED: 1.27 LB/YR (SEE CREDIT AVAILABILITY LETTER IN CALCULATIONS BOOK.) POST -DEVELOPED AREA ;r { TO WEST,(ROUTED) ' 0.40 AC NAGED TURF = 0.04 AC 1~ 1� t � { ,I ♦ �l ♦ O T- Q EVELOPE'D AREA o s 60, REA ;.`0.78 AC ♦♦ - o.4 AG, r Z D,TURF,,""='0.33 AC M1 I �• r' i cs� r' WATER QUANTITY CALCULATIONS: AREA TO THE SOUTH PRE DEVELOPMENT POST DEVELOPMENT Q2 1.74 CFS 1.45CFS Q10 3.22 CFS 3.01 CFS Q100 6.08 CFS 8.97 CFS AREA TO THE WEST PRE DEVELOPMENT POST DEVELOPMENT Q2 1.86 CFS 1.81 CFS Q10 4.33 CFS 3.85 CFS Q100 9.67 CFS 8.91 CFS CHANNEL PROTECTION: POST -DEVELOPED Q2:5 PRE -DEVELOPED Q2 SOUTH OK 1.45 CFS (POST -DEVELOPED Q2):5 1.74 CFS (PRE -DEVELOPED Q2) WEST OK 1.81 CFS (POST -DEVELOPED Q2):5 1.86 CFS (PRE -DEVELOPED Q2) FLOOD PROTECTION: POST -DEVELOPED Q10:5 PRE -DEVELOPED Q10 SOUTH OK 3.01 CFS (POST -DEVELOPED Q10) 5 3.22 CFS (PRE -DEVELOPED Q10) WEST OK 3.85 CFS (POST -DEVELOPED Q10) 5 4.33 CFS (PRE -DEVELOPED Q10) M 00 Q Z SCALE 1 "=30' 0 30' 60' THE SITE CONSISTS OF TWO DRAINAGE AREAS, ONE TO THE SOUTH AND ONE TO THE WEST. CURRENTLY BOTH AREAS ENTER A MANMADE STORMSYSTEM THAT DISCHARGES INTO AN EXISTING CREEK NORTHWEST OF THE SITE, THIS WILL BE MAINTAINED IN THE POST CONDITION. HOWEVER, TWO UNDERGROUND STORAGE SYSTEMS ARE BEING INSTALLED TO CONTROL THE ADDITIONAL FLOW DUE TO THE INCREASE IN IMPERVIOUS AREA IN THE PROPOSED CONDITION. THE POST DEVELOPED 2 YEAR AND 10 YEAR FLOWS ARE BEING REDUCED TO BE EQUAL OR LESS THAN THE CURRENT 2 YEAR AND 10 YEAR FLOWS. THE DRAINAGE AREA OF THE EXISTING CREEK UPSTREAM OF THIS PROJECT IS 768 ACRES, THEREFORE THE PROJECT AREA IS LESS THAN 1% OF THE CONTRIBUTING DRAINAGE AREA. THEREFORE CHANNEL AND FLOOD PROTECTION ARE ADEQUATE NO. DATE ISSUE TIMMONS GROUP YOUR VISION ACHIEVED THROUGH OURS. VIRGINIA I NORTH CAROLINA I WEST VIRGINIA THIS DRAWING PREPARED AT THE CHARLOTTESVILLE OFFICE 608 PRESTON AVE, SUITE 200 CHARLOTTESVILLE, VA 22903 TEL 434.295, 5624 FAX 434.295.8317 www,timmons,com Site Development lResidential l Infrastructure l Technology Q C..RA.TGW J. K?:1TARSKI Lic.I` o. 0402048507 17 SEAL KEY PLAN Perliffis Eastman 520 WEST SIXTH STREET CHARLOTTE, NC 28202 T. 704.940.0501 F. 704.362.4602 Owner: WIAL, LLC 200 WESTGATE PARKWAY, SUITE 203 HENRICO, VA 23233 Owner's Representative: MILESTONE PARTNERS 300 2ND STREET NE CHARLOTTESVILLE, VA 22902 Construction Manager: WM JORDAN 708 BAINBRIDGE STREET, RICHMOND, VA 23224 Civil / Site: TIMMONS GROUP 608 PRESTON AVE, STE 200, CHARLOTTESVILLE, VA 22903 22902 Landscape: ANHOLD ASSOCIATES 8311 ROCKFISH GAP TRNPK GREENWOOD, VA 22943 Structural: LAURENE RICKHER & SORRELL 8701 RED OAK BLVD # 520 CHARLOTTE NC 28217 Mechanical & Plumbing: OPTIMA ENGINEERING 1927 S TRYON ST #300 CHARLOTTE NC 28203 Electrical: OPTIMA ENGINEERING 1927 S TRYON ST #300 CHARLOTTE NC 28203 Food Service: CORSI ASSOCIATES 1489 BALTIMORE PIKE, SUITE 109 SPRINGFIELD, PA 19064 PROJECT TITLE: BRANCHLANDS MEMORY CARE & ASSISTED LIVING 1250 BRANCHLANDS DRIVE, CHARLOTTESVILLE, VA 22901 PROJECT No: 55930.00 DRAWING TITLE: STORMWATER MANAGEMENT PLAN SCALE: C2mO VSMP PLAN AMENDMENT 12/12/2017