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HomeMy WebLinkAboutSUB201500097 Plat 2015-09-29VILLAS AT BELVEDERE PRELIMINARY PLAT RIO MAGISTERIAL DISTRICT ALBEMARLE COUNTY, VIRGINIA GENERAL NOTES OWNER: 06100- 00- 00 -154BO WINDMILL VENTURES, LLC 535 FOXDALE LANE CHARLOTTESVILLE, VA 22903 062FO- 00- 00 -000EI ROBERT HAUSER HOMES, INC 2421 IVY ROAD CHARLOTTESVILLE, VA 22903 APPLICANT : WINDMILL VENTURES, LLC 535 FOXDALE LANE CHARLOTTESVILLE, VA 22903 ENGINEER: COLLINS ENGINEERING 200 GARRETT ST, SUITE K CHARLOTTESVILLE, VA 22902 (434)293 -3719 TAX MAP NO.: 06100- 00- 00 -154BO DB 4505 PG 218 1.89 ACRES 062FO- 00- 00 -000EI DB 2051 PG 003 1.460 ACRES TOTAL PROJECT AREA: 3.35 ACRES TOTAL. ZONING: R-4 RESIDENTIAL- CLUSTER DEVELOPMENT WITH BONUS DENSITY- 57- BONUS DENSITY INCREASE - MIN. 109 TREE PRESERVATION PROPOSED USE: 9 SINGLE FAMILY ATTACHED UNITS AND 5 SINGLE FAMILY DETACHED UNITS DENSITY- 4 DWELLING UNITS PER ACRE PROPOSED DENSITY- 14 DU/3.35 AC = 4.17 UNITS /AC DENSITY ALLOWED: 4.2 DUA OPEN SPA CE, REQ. 0.84 AC OF DEVELOPMENT AREA (25%); PRO V- OPEN SPACE A (0.66 AC) + OPEN SPACE B (0.20 AC) = 0.86 AC (259') THE OPEN SPACE WILL BE DEDICATED TO THE HOA. WOODLAND PRESERVATION: REQ. 0.335 AC (10% OF SITE); PROV.• 0.36 AC (10.79') BUILDING HEIGHTS: MAXIMUM BUILDING HEIGHTS SHALL NOT EXCEED 35 FEET SETBACKS. • FRONT 5; SIDE: 5;• REAR: 20' SUBDIVISION STREETS CURB WATERSHED: THIS PARCEL IS NOT IN A WATER SUPPLY PROTECTED AREA AGRICULTURAL/ FORESTAL DISTRICT- NONE TOPO & SURVEY TOPOGRAPHY IS FIELD SURVEYED TOPOGRAPHY PERFORMED BY COMMONWEALTH LAND SURVEYING IN SEPTEMBER, 2014. BOUNDARY INFORMA77ON 1S PROVIDED BY COMMONWEALTH LAND SURVEYING BASED ON FIELD DATA AND BOUNDARY SURVEY. DATUM: NAD 83 BENCHMARK. • THE RESERVE AT BELVEDERE SANITARY EX MANHOLE 1, TOP= 450.2J EXISTING VEGETATION: PAR77ALLY WOODED LIGHTING: NO LIGHTING IS PROPOSED PHASING: SITE TO BE DEVELOPED IN TWO PHASES. RECREA TION: COURTYARD (1,6J4 SF) TO BE PROVIDED PARKING: 2 OFF - STREET PARKING SPACES SHALL BE PROVIDED FOR EACH DWELLING UNIT + 9 GUEST SPACES. BUILDING SITES. PARCELS 1 -14 EACH CONTAIN EACH CONTAIN A BUILDING S17E THAT COMPLIES WITH SEC77ON 4.2.1 OF THE ALBEMARLE COUNTY CODE ZONING ORDINANCE. PARCELS 1 -14 MAY NOT BE FURTHER DlODED. ONLY (1) DWELLING UNIT PER LOT SHALL BE ALLOWED. BURIAL SITES. • 1 CEMETERY IS LOCATED IN THE NORTHEAST CORNER OF THE SITE 1T HAS A OFFSITE PRIVATE ACCESS EASEMENT FROM BELVEDERE BOULEVARD. STREAM BUFFERS / FLOODPLAIN: THERE ARE NO STREAM BUFFERS OR 100 -YEAR FLOODPLAIN LIMITS ON THE SUBJECT LAND AREAS.- PARCEL, PER FEMA MAP 51003CO229D, FEBRUARY 4, 2005. OPEN SPA CE: 0.88 AC. (25%) LOTS 1.97 AC. (60q) ROW DEDICAT70N: 0.50 AC. (157.) EXISTING CEMETERY \ \ \ 33 xs 8, y O :•'::::':' .:;: /g j/ � ii v DB /PG: 2051/003 j \ P 'J_, � SINGLE FAMILY O 20' PUBLIC UTILITY EASEMENT �j L ? \ / EXISTIr�J� PATHWAY \ 9 ': \ LOT .13 TO B EPLACED WITH PROP O D�' \ \ �f 6,362 SF DEVIEOPMENT _. OR DEBORAH TMP 02F0 00 00 27900 \ \ OPOSED AREA OWNER: J _-S UIRES, JAN F WOODLAND Sheet List Table Sheet Number Sheet Title 1 OVERALL LAYOUT PLAN 2 EX. CONDITIONS AND DEMOLITION 3 GRADING, SWM, NOTES & DETAILS PIP- _ iii z LiJ vi ce o ADDRESS: 2038 SHEPHERDS RIDGE ROAD I GENERAL NOTES: \ C NSERVATION ;:•,.:..:.:•.. i ___� ___..... �% 0.36 r' CHARLOTTESVILLE. VA 22901 _ -__- -- \ ACRES ACREAGE: 0.4580 AC i. IMPERVIOUS AREA: ZONING: R-4 O \ \ / LOT 12 ���� , DB /PG: 3856/115 ROADWAY= 13 936 SF (0.32 AC) o r . 6,210 SF - SINGLE FAMILY SIDEWALK/DRIVEWAYS= SF (0.29 ACf .n Ln 4 BUILDINGS= 26,941 SF (o.62 AC) LO 2. ITE TRIP GENERATION: TRAFFIC IMPACT NUMBERS ARE BASED ON THE 0 .M o ITE TRIP GENERATION MANUAL , 8TH EDITION. CODES 2 3o W ERE USED Ln 00 o \ / FOR THE DEVELOPMENT LOT 11 i/ s EXISTING PROPOSED 1 DWELLING UNITS 6,367 SF. iSiDE , ° WATERLINE ADT RATE - 5 86 VPD PER DU = 82 ADT 1 ENTER i EXIT tf SETBACK (4 /4 ) E \ \ PROPOSED P) zo' Pusuc (TIiITV EASEMEriT of f_ AM PEAK RATE - 0.44 VPH PER DU = 6 VPH (1 ENTER /5 EXIT) \ \ io' ASPHALT PATHWAY '''. :.:: ".'•, \ PM PEAK RATE - 0.52 VPH PER DU - 7 VPH (5 ENTER /2 EXIT) I \ \ (P) 5' SIW (TYP)• o 3. THIS SITE CONTAINS NO MANMADE OR PRESERVED SLOPES. 1 \\ + PHASE LINE 4. ALL TRASH SHALL BE COLLETED BY A DRIVING DUMPSTER SERVICE - LOT 10 Qz EACH LOT SHALL HAVE AN INDIVIDUAL TRASH CONTAINER. u 6,466 SF � > I I PHASE •.. NO ON STREET LIGHTING IS PROPOSED WITH THIS PLAN. _. (P).z EMERGENCY a� M AQCESS BOLLARDS w \ 6. THIS PROPERTY IS NOT LOCATED WITHIN A DAM INUNDATION ZONE. \ : 's•'� W NO RETAINING WALLS ARE PROPOSED WITH THIS PLAN. I ,� �' 7 M \ LOT 9 �� 4 ....._ -. 6603 SF m °QFm u5 > ti \ y� Q o EAR_.. � � 63• 0 PORTION OF TMP � a POR } TMP: 06100- 00 -00- 15500`:, ` \ k 62FO- 00- 00 -000E1 M t OWNER: CHURCH OF GOD; HEN'` Y & ` kkk ♦ , HAROLD HAGA TRUSTEES 0 ADDRESS: 1025 E RIO ROAD d CHARLOTTESVILLE, VA 2901 x LOT gg Gf TMP: 082F0 -00 -00 31300 1 ACREAGE: 6.9100 AC , \ >' 6 SF' ;r OWNER: S IfALLINGS, WARREN OR VIRGINIA o. RESS: 033 SHEPHERDS RIDGE ROAD ZONING: COMMERCIAL OFFICE � - 65' DB /PG: 1134/635 ' \ �ti° + HARLOTTESVILLE, VA 22901 N o CHURCH ACREAGE:i9.�890 AC Q ' (P)CG i2 (P) CG z ZONING: R -4 0 lMl� PLY o B /PG: 38731382 LE FAMILY j ii ype W N Z f....__ r� + Rev iewed a ApprOVed by the N -1 community f .1E�VU�IU 1 � 1� t D Department ° Date W Q EXISTING NON- EXCLUSIVE EASEMENT File #�� 2015 �CD�T ( i EXISTING ENTRANCE_ -- OF RIGHT -OF -WAY FOR LOT 323 - ----- z - - - -- - '° DB. 2478, PG6z6 ! , ' ,, W - TO CHURCH TMP: 06100 -00 -00 -16400 �? rn ' �, PROPOSED OWNER: SHEPHERD, VALERIE M () CG -12 (_ �5 RN✓ 1;' : + ADDRESS: 26 CLIFTON TERRACE `Slgttature J W (P) OFFSITE VAR WIDTH WEEHAWKEN, NJ 07086 ° PR I DEDICATION zo * C0" rVrn0 A , ACCESS EASEMENT ACREAGE: 4.2780 AC _ .._• LOT 7 ZONING: R -4 �i p �CU�'Ea 11_ ° FOR EMERGENCY ACCESS I PROF ING �I �,g42SF ° ? SINGLE FAMILY 02 GRAPHIC SCALE + r . �t r ''^^ Q 6' PLA ING { SINGLE FAMILY , U) STRIP I -65'. , x: - �' W r P 40 0 20 40 80 160 O - 122' - c ,,:') ,/'• W 0 l l I w, I 1 �', (o.zoAC) 41.869 SF a O: A 3 q LOT 6. <y ( IN FEET) v W PROPOSED 1 inch = 40 ft. n/ , tit C- 65' _j o ( v 10' ASPHALT PATHWAY t I + PA VED PARKING AND CIRCULA 77ON LANDSCAPING CALC _3 I Q Q o REQ: 57. OF 11,500 SF AREA (575 SF) { CL s. PROPOSED PROV 5 QP ALONG PARKING SPACES (5 *419 =2095 SF) i I Gap (P) SA NITARY SEWER ✓ j ° a �� PERMEABLE PAVERS �, W c� a� I N LOT 5 LEVEL I IN ALLEY AND TREE CANOPY REQUIREMENT z W :: ::•:' _ - ) R Q 20q OF J. 35 AC ( 67 A I z 6,310 SF � PARKING AREAS TYP. SSA 't i W FONT !� .,' I I I 65' ( (3 WATER SEE SHEET 3 NATION 36 A E o 0 C) SETBACK T e + PROW EXISTING TREE PRESER (0. C) + PROPOSED TREES (.32 AC) =0.68 AC \i O a ' ;• ? TMP: 0610- 00- 00- 0154BO v z f i W E -� NOTE., 77-1E LAND W GAPING AND SCREEN i I � (Pj WATER � } ? f� _:.�, � ,< , , ; .• � OWNER: WINDMILL VENTURES, LLC � - - SCREENING REQURIREMENT OF SECTION 327.9 WILL BE SATISFIED ': 1 { s tts LATERAL; { W177 -1 THE LANDSCAPING PLAN OF THE FINAL SI7E PLAN. ADDRESS: 535 FOXDALE LANE at 4Q : 4,t • : 4 SIDE : Y t� :.:•:,.:•.:•. ::•'. :'• +„ CO ECT PROPOSED SANITARY { CHARLOTTESVILLE, VA 2203 I SETBACK y, SE RAT EXISTING MANHO ACREAGE: 1.9260 AC ( 20 I �/� Z •....._ ZONING: R -4 �LL� I REAR '� �' r DB /PG: 4505/218 "I S ABED DRIVEW vJ w f LLJ �. SINGLE FAMILY I (�' 1, FOR LOTS & z I I 3 4 (P) zo' PUBLIC UTILITY EASEMENT play�+ �p� end ,_..�:•':'C: :' :• ?,�•:.. �;ril.. i : I I N: :' Plant V W CD PRELIMINARY PLANT SCHEDULE SYM BOTANICAL COMMON NAME SIZE CANOPY (sf TOTAL SITE QUANTITY COVERAGE (sfl TREES QP QUERCUS PALUSTRIS PIN OAK 2 1/2" cal. 419 33 13,827 TOTAL CANOPY W° 13,827 ' r TO BE REPLACED WITH PROPOSED � lW, DEVELOPMENT��`� _ D� a� 40'40' 40.. ROAD � II (P) SANITARY SEWER I 3s ^& >> r - -- I; I I \ 26, EXISTING CULVERT ...�-.... EAR7H DITCH 38' - - II 0 t _ V !_iO l �% �`�`-- - ---�- ° + b bD. b ° 4s -`� _......__..._... T DRIVEWAY CULVERT :;::•::::::;:, (P) WATER _ _ - -.. _ DROP NLET & S77RUC7URE NO. + M iF_F- - -.. N // - + P BENCH MARK b LATERAL / �n - _ + 7,7 - -- , - -- - CURB � w L : :C5P1 N SPPkCE' - CURB &GUTTER - - - - - CLEARING LIMITS 0 = LU o / Os /w( ) V VDO :•(tr,' AG), :., :,..: '\ / (P) zg OP PROPOSED PA MENT T STANDARD STOP SIGN P ' S TYP . ° N RIO ROAD (STATE ROUTE 631) 70B O. � •. � :� :,:. r "��� !. �� ; , � / _ `. - - - -200- - - - ° VAR WIDTH ROW PUBLIC ROAD PROPOSED PERM PAVERS EXIS77NG CONTOUR 142101 - ° �I 40 MPH SPEED LIMIT 0 `w.. MATC�ILI 5: THIS}:': __.__ _____ .__ EC -3A DITCH PROPOSED CONTOUR SCALE 200 m LE DEPTH OF EC -3A DITCH 240.15 PROPOSED SPOT ELEVA77ON .:•':• :° P� f EC -2 DITCH m LOT g8 z SF 14 � 11s� (P) SANITARY SEWER - %r SHEET N0. n_ 4, � , a; g° DEP7H OF EC -2 DITCH a, WW Z J U) 0 o T W° ' r TO BE REPLACED WITH PROPOSED � lW, DEVELOPMENT��`� _ D� a� 40'40' 40.. ROAD � II (P) SANITARY SEWER I 3s ^& >> r - -- I; I I \ 26, EXISTING CULVERT ...�-.... EAR7H DITCH 38' - - II 0 t _ V !_iO l �% �`�`-- - ---�- ° + b bD. b ° 4s -`� _......__..._... T DRIVEWAY CULVERT :;::•::::::;:, (P) WATER _ _ - -.. _ DROP NLET & S77RUC7URE NO. + M iF_F- - -.. N // - + P BENCH MARK b LATERAL / �n - _ + 7,7 - -- , - -- - CURB � w L : :C5P1 N SPPkCE' - CURB &GUTTER - - - - - CLEARING LIMITS 0 = LU o / Os /w( ) V VDO :•(tr,' AG), :., :,..: '\ / (P) zg OP PROPOSED PA MENT T STANDARD STOP SIGN P ' S TYP . ° N RIO ROAD (STATE ROUTE 631) 70B O. � •. � :� :,:. r "��� !. �� ; , � / _ `. - - - -200- - - - ° VAR WIDTH ROW PUBLIC ROAD PROPOSED PERM PAVERS EXIS77NG CONTOUR 142101 - ° �I 40 MPH SPEED LIMIT 0 `w.. MATC�ILI 5: THIS}:': __.__ _____ .__ EC -3A DITCH PROPOSED CONTOUR SCALE 200 m LE DEPTH OF EC -3A DITCH 240.15 PROPOSED SPOT ELEVA77ON .:•':• :° P� f EC -2 DITCH m LOT g8 z SF 14 � 11s� (P) SANITARY SEWER - %r SHEET N0. n_ 4, � , a; g° DEP7H OF EC -2 DITCH a, V) Q) L Q x s 0 .3 c 6 C O U 7 L C O U i O C 6 C N N O O 3 O O O Q L Q T c O L Q) U) O C 6 O C- C) Q C L O N O / / __(� / / I'll � * I � . � i , <1.1 I,- � I , / ,� "��, �_ � I , I \ " ------- ,I , , i I/ , I - ---- - - - , (LEVEL 2) DRY SWALEW DESIGN & REQUIREMENTS: ,,,,j/, I �,_ , , �\-_ i , � %z" e I i � I / I "I 1, 'IN \ \ ( / _ , , \ � 3,293 cf 11 i I ". ,111/ / __ __ I "..., I I , \ \ � �, / / � 1� // Treatment Volume (Per VRRIVI Calculations) , i , � "I , , , ., I 1, I \1 �, \ / / \ / *Minimum Surface Area Required (Tv* 1. 1/Storage Depth 2,064 sf ...... I ........ / " " � I _ , I I \ \ I 11 11 I - i 1, � ( / � 11 - 11 i F � I Surface Area Provided 2,918 sf : .:,".,. 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I 1. , _1 " � PAVEMENT AND DRY SWALE, AND ADDITIONAL STORMWATER DETENTION FOR THE PROPOSED DEVELOPMENT WILL BE PROVIDED \ ,�,�, \11 ,.. ", ,_1 � L . I I.I.LL-1.11 �, _Vf � L i � - / , , � I I . , , � � L . ­ . , _ I ­_ , I­", t __? I , � . I � I , 1 "' � � � I I � , , -, � I � � L r / , I " '_ .., - I ; _ � \\ � \ \ \ I L 1 '­' L r . I * . L: . . Z� BY THE EXISTING DUNLORA POND (WET POND). ", �/ � , � I ­ - \ ,_� � - L . \ 1� . I / j -,-,-, 'LL L ::,: . .1 -_ \ I I : I . . . _­�Ir 08.,,, i­ I , \ i I I I I , _4_1 - I � , .tjl�f . � I I , - I 9� ' 7 ,,__ - . ,%,O>, I �t\� ­1 FINAL DRY SWALE LANDSCAPING TO BE DETERMINED WITH THE FINAL SITE PLAN. \ ,�"__ \ _* \ ­1 I" i I � / F ce ,11 I'll, \ '1\ 11 \ ,(,J I I . I � I L - .,/ j , _ L � I / . . , _, I , - � � . I I rk)A! I ,­f / \ "I, 'LQW,�PAT '11q� I V I . , Z' �&7(tk­'/ I 0 ­1 DA #A F I 1� I . -1 \ '�, - : " �_ �v . I . L . . /. ��"*, 7-," I I _`( - 0� (D - . L I 6' if / _,� - , �i \1 , ­­_ SHEET FLOW T 0 1j I I/ I LL 1. I . I I . . I L , 1i - _­­­­ -I-- " "I VirginiaRunoff Pteductlion Method New Devotopmont Worlimtwot - vU - June 20114 _-L--_L ...... " V -�- . I . I . � - -, *� I­ ; , _j LU I-,-,-. CONC. FLO) 0. � : . . I � I­ i ; � -_ \ � ,I � . . L L .1. ... � . , ,�/ , I I 1, I" % - " 0� � I , , I I - � �t$. I I " , L '�'� I-i - ­ ,.--- ,- , " �, f,� . " I ­ I ;1 i ­�e ", ­ _­ 1 \ CHANNEL FLU -11-:.= .0 r , 1. . f' L - .. � / I , I _�' 1 / ­­- FINAL " I .. . _j \ �� . I 'I-, . � 1 -L / J` ,�, ­1 ... ­ . ,�� I L::, " , . I �N� � / -/ '' '' , _1� z < Tc=0.26 hr's_ � :L,:,, . . \: . -, " -_ X_ . '' I I �' -, ` � " I , , �� \ , N, . / , I I L i--,, I.- 1--i 4"", ,,,-I "y 11 11 �j 'i I­ , ill " :7 1 / L L � "", ,� �, _� "i 11 �� : , Site Data Summary \ \ �, ::,: . . I I ' /- ,\ j ... Q­J_;�-�, �1­jp­, / . .. , I/ . I , � .; -- - . . , L � I I . I , �� 'r I U= * I 11 I \ , � . 1. I.:, . . I I � I . . b DA iM ­_...'' —, L I 1'j � r _­ , , V1,44; .. ..... , , , . -41-1 D . All � 11 \ \ \ \/ , �� 0 " 11� => Ske, Land Cover Summary M"Mm _j < V) I­- Post Development TP Load (lb/yr) 11 1111111111111111111111111111rn� I.- F_ Z Uj E, 11 2' C) 2 M 2 2 U LU � �_ a_ n Ln 0 U ZV) L, < z 0 0 z 0 z 5� --) 0 U M Ef) - LL] W LLJ U) > LLJ of W CL a- M _j < 0 LLj > F- V, > LU Z LU w ce L'I L'I rl ri - �, kD H N (y) Ln 00 _­1 11 L - ­ - - ­ - L . , . - , , � _ - - L - . ' L I � ­� � . : . I . :..::::,: .. � . . " . . �, .._ .__. :: - . .. 11 LL 11 .. 11 .. .. _ I I V :: .. - ­­­ ­ , ��. 1-1 I . _­ - __ __ ­ - ­_ ,,/ - :: ::::.:.-'..:..'.-'....-.:. - -,i",.:..,-. : _.. � . - ­__­� � . I . . . I I . M ' ­' - ­` — _:n_ I ­ ­ ____� , �,) _`1 , - - , - : - ..,-.-:­-:.­, , , * . I . I . . . . . .. �- :' ,7 : — . . I—- \ '''' - / NN --7-- __ - - _,_ ___ 77 1- - - -.- L (PRESERVATION "I V `__ 1� ­__ ....�.-�..",...,,�.:.::.:: '' . , : �,:.-., . ., , . . . , . , . � : .''..,--,..*..,.-.,-,:.,..,.*....;,-'-,",,.,:: ` � - .7 .. , : 1, �. .. ­ / I- ­ . ___ :_ , , . , . �:I.i:.., :.': : . ., . ..,.. . .1 11 . :.: I Ir- - - - ----- ­ .;: _ . . �..::.�,:..'.'.'.....'L:'.':..'�...�...�.... :.. : � "*'*"'*'*. I I . ­ . L . -- " ­­ __­ --I,- I --I _-��. � ------ i l-, , *` :1 . 1.* - - I . , � ._-11 , .­. .: - I ­ 1-1.1 X / [*-- - � I I i '11�_ _ . . _ . - -, -, - - , - , ,I ,� Y-11 __ - .- - AREA (0.36 AC) 1� �,,­,­, ' '_-L , ­_­ 11 - I—- _ . . - - �_ IZZ _ �.. . �... .. - - �. _-, 1- - -,--, \,. � - I '' '' �-___ ,L _1 -,--' __ ; I �11 " 1-1 L .­..:: 'L ... ­_, , _ . .1 :_ * ­ I ? ", I 1-1 " ---- ,----, -----" - . � � ,_f_,y_) -, ; / 1� :.: __ ­­ ­­j­ -LL - —­ i �­ j",_1 1. I -'I- ­ � I ­_ i- � / . " ,,,,,� �_ . ­11 _____ I 0"-),/, � " 11�, . . 1_ tj -1, - , '- I - L, �-_j - __ _ , " - Z 1!) - ­_ .�� .:: � 1, j", " �s _, X,�./­4'7 __ . ..... . _­ _, , " 11.11 - �__ " co 11 1_1��:, : �,: / - / �_, 1.­_­ - ­­ ­­ 9 Z . :. _�.*: - .1 ­q j , " �. � ��. .�� L ,.� L . . I , , `� ----__ ­' 1, ­___ -,-- I 1,� �":-, I f" '­,� � LL' I'll., I I/ cle) _j I" - I I __ " . I , , � .. ...... ( " �', ,,, ",�:V­ __ 41- - " -_ � \ \ - ;_/ `­j /' .: 11 - � �\ I" , ,_ 11, � " i �, "�11 I . . I A . L, I Ili -, L 4 P-4 " - _,�_ "I "I : i Niz " ,,,,- -� , .: - I "I ,�"11 \ ,� ­-, ,1 . , � I - � I I __ --- I 1. , . . I : I , I L: I . ,; �'�q' ,�" L ' . . - . 'K` � I \ \ / X" ) - - _' ._ _: - 11 / ".-I, . L . �3 . \ , - . I : I - _j , . . - � / / \ I '\, � � ­�_� ­ .... - . . I . , ��',, L:� - Bonn= ,f;� �, I'll L I L 14 � L� �­ / ! , . 1­ I I _x , L ­ PERMEABLE PAVERS I Uj \ 1; � " -� -1 ,x ', r 11 / M , - 11�'11 i �, , If "" - / �SD � I �",� � '1111111 ___ /� �,­ , I 11_1� - - I \,� . L 4 1 . .1. L I �:L .1. . I _1 LEVEL I IN ALLEY AND - \ � 11 �� _j__. - , "' I I \ " " � ... ... I ; ,� I N4 " D / / "I-, � �, , ,,, - I 11 1�� "I � I -, " I I I I . I . � I ... .., . 1.1, -i, �`,,�,` .­115V / 0 / � 11 I :-, ' PARKING AREAS (TYP.) / " L . I I � : L ... I - , I ... .. -1 I" ,�- , 1�.. / 1 " - I I .. ...:. _ L I " \ I 1, I L�, " 7�', L "I-, �,_ , � (_ 11: . "I . I ....... \ , / _ :� I \ , � I I . I / . / , �, ___, "L 1-1-- � Oc �. � " . �'� - . I . '1� �, _1 . ::- I • / � � I ___ _ "'. i �) / � I I I . "� -, _ .11 / N < V) \ I I ", __ , I/ 1-1 �' . 1_� L . �, , --- .. ­ . � � - ', I , - n - � 4 .. . I il 1_j 1 \ C) . . I 11 ` __ , I '�', , . I I I I '-' I I , jll , I I ... ,�, / W O-) Uj , \ " , " /01 . 91 1�, I //. I/ " \, _,__ _,� f ,,,,, �11_,_ - / 4 �, _`\ y - ­z- . , . " __, .- I . I , 0 , \ L I _ , . L , V I , , " _ I \ I 11: I . / 7 " ! " r­,, J, i , , ,f � I -, I \ _ / N Z �-- \ / -"- "I �� 6 . \ , L I I . . . I I I " ,� I ­�, , - _ ,. " ��,_;_ / I � \ I 11. 'I �'), ,,-!--' / CN P..q , --L------,- ­__ \1 - 1i 0 � . . . . .__1 I � . I I _ � , ', ./ 0 � ____,, - I / N t� I I _­ , � DRY SWALE I , , " ­ � 1, I , \ ' L . I .. , , I ­ "" - I -- -- � '' , ,( " _­L/ I , / \ I \ 1� ... . I . .. I _, � / --/, -_\1 I -, I ,,,,, "­, ;­,y !"-i ,,' � I , I 1 \ ,___1' ,\ I 111 1,�� I ' __ __ . I I I . 11 �,;__;�� " , (LEVEL 11) I /' 7- 1 \ � / -_ . . I !­' J , �_, I , I . . . -, , " 1'1 \ , ", 11 L . . � L ... . I , ` "' �, i , ( � ' \ " . ` I � ` " � ` 7 ;­' - '' , ) 4 !-"!/ ,L,,�­-" - S.A.=2,065 z�f req'd Z > � ,,, 1\ '\ -_ � . I I I I I L � � j j � �j 43 � �'! -1, 7___1 , I / I � - � �, _, � �­� I � , _/­ N �,::t::: 11, � 11�\ '� L . , ' L ill � " , , ; "; i I F—i z , � \ .... 1-1 , I, N, I //_" ,� 1� I .. . / "� "I I I 'I,' � I \ - L _ �1- L L - . 11 - DA �6`-'F�LOW4,kA, I .. ­ I ; " - * -1 I I I I . I " , S ORMWATER NARRATIVE SHEET FLOW Tb- 0. 2 � � � ,�, " , j ,­, _ :� I �__11' -_ LU ..J < I , �-f V �­ L � f, I I—- , I \ � ' \ 4/ ___ . . 11 - /__ ... 11 _; 11 ;­ :1. '1� �_" _j Uj \ CON C. FLO�Tc=0',Q . . , - --' X t � I . ''Ill � '' �, - ., \ CHANNLL FL�OW T,p= . � I . .. If , I I ,_,� �, - e . ___ z I HE USE OF PERMEABLE PAVERS, A LEVEL H DRY SWALE, AND L .... \ — " "y � , _� /,-, _j STORMWATER RUNOFF SHALL BE TREATED ON-SITE THROUGH T \ I �, �­�� "__, � 11 I 11 .1 0,71 �_[111�1 I I- -, j, , , FINAL Tc=0.131 hrs., - , � I -_ 1 . — (D \ 17, 1 1 . I I 1­', I F- ,,�/ , .. . I I � I I A� THE DRY SWALE IS DESIGNED TO TREAT RUNOFF FROM THE PROPOSED DEVELOPMENT AND I I , I .1 ,_ AN EXISTING LEVEL I WET POND. "' �. 4, I 1� , , I I L ,_ , SEEN= ce I ", ,Z) ... \� I , ,/ . I , 7 )", 11 ;�4 , > I I N OVERLAND DRAINAGE IMMEDIA TEL Y UPLAND OF THE PROJECT RUNOFF REDUCTION WILL BE PROVIDED BY THE PERMEABLE \ , I L . F k Z ,:. . I 1>,', ,-/-I' � .... ... - " I *L11. I 1. , _1 " � PAVEMENT AND DRY SWALE, AND ADDITIONAL STORMWATER DETENTION FOR THE PROPOSED DEVELOPMENT WILL BE PROVIDED \ ,�,�, \11 ,.. ", ,_1 � L . I I.I.LL-1.11 �, _Vf � L i � - / , , � I I . , , � � L . ­ . , _ I ­_ , I­", t __? I , � . I � I , 1 "' � � � I I � , , -, � I � � L r / , I " '_ .., - I ; _ � \\ � \ \ \ I L 1 '­' L r . I * . L: . . Z� BY THE EXISTING DUNLORA POND (WET POND). ", �/ � , � I ­ - \ ,_� � - L . \ 1� . I / j -,-,-, 'LL L ::,: . .1 -_ \ I I : I . . . _­�Ir 08.,,, i­ I , \ i I I I I , _4_1 - I � , .tjl�f . � I I , - I 9� ' 7 ,,__ - . ,%,O>, I �t\� ­1 FINAL DRY SWALE LANDSCAPING TO BE DETERMINED WITH THE FINAL SITE PLAN. \ ,�"__ \ _* \ ­1 I" i I � / F ce ,11 I'll, \ '1\ 11 \ ,(,J I I . I � I L - .,/ j , _ L � I / . . , _, I , - � � . I I rk)A! I ,­f / \ "I, 'LQW,�PAT '11q� I V I . , Z' �&7(tk­'/ I 0 ­1 DA #A F I 1� I . -1 \ '�, - : " �_ �v . I . L . . /. ��"*, 7-," I I _`( - 0� (D - . L I 6' if / _,� - , �i \1 , ­­_ SHEET FLOW T 0 1j I I/ I LL 1. I . I I . . I L , 1i - _­­­­ -I-- " "I VirginiaRunoff Pteductlion Method New Devotopmont Worlimtwot - vU - June 20114 _-L--_L ...... " V -�- . I . I . � - -, *� I­ ; , _j LU I-,-,-. CONC. FLO) 0. � : . . I � I­ i ; � -_ \ � ,I � . . L L .1. ... � . , ,�/ , I I 1, I" % - " 0� � I , , I I - � �t$. I I " , L '�'� I-i - ­ ,.--- ,- , " �, f,� . " I ­ I ;1 i ­�e ", ­ _­ 1 \ CHANNEL FLU -11-:.= .0 r , 1. . f' L - .. � / I , I _�' 1 / ­­- FINAL " I .. . _j \ �� . I 'I-, . � 1 -L / J` ,�, ­1 ... ­ . ,�� I L::, " , . I �N� � / -/ '' '' , _1� z < Tc=0.26 hr's_ � :L,:,, . . \: . -, " -_ X_ . '' I I �' -, ` � " I , , �� \ , N, . / , I I L i--,, I.- 1--i 4"", ,,,-I "y 11 11 �j 'i I­ , ill " :7 1 / L L � "", ,� �, _� "i 11 �� : , Site Data Summary \ \ �, ::,: . . I I ' /- ,\ j ... Q­J_;�-�, �1­jp­, / . .. , I/ . I , � .; -- - . . , L � I I . I , �� 'r I U= * I 11 I \ , � . 1. I.:, . . I I � I . . b DA iM ­_...'' —, L I 1'j � r _­ , , V1,44; .. ..... , , , . -41-1 D . All � 11 \ \ \ \/ , �� 0 " 11� => Ske, Land Cover Summary Site Rv M"Mm Post Development Treatment Volume (ft3) Mww= Post Development TP Load (lb/yr) 11 1111111111111111111111111111rn� Own nnrmll Liaiu E, 11 �� ��� � U LU I - ��� �� _: _,-- _ _ __ __ # . m � Im, - _ I E � #= i Site Rv 0,45 Post Development Treatment Volume (ft3) 6268 Post Development TP Load (lb/yr) 3.94 Post Deve!2 meat TN Load (;b/yrl 28.17 Total TP Load Reduction Required (lb/yr) r 235 Total Runoff Volume Reduction (ft l " 2395 Total TF Load Reduction Achieved jlb/yr) � 3 Total TN Load Reduction Achieved (177M) l' ' Adjusted Post Deve o P7,77 TF =1 (IM 19.72' 1.371 � lRemaining Phosphorous Lead Reduction (Lb/yr) Required ::::::::::::::::::::::::: :,::,:�::::::�:::,::::::�:,:,::::��������������!��������!������0401 i� Dralftagg Ai*a Summa - = - y., W. iiiiiiiiiiiiiiiiiiIi E rI NEUM i - i � ��� �� 'Lim MINM D � = � � � �� ��� �� _: _,-- . � - _ I II Drainage Area Compliance SummarV - M�f E333��Mzz � ��� �� 'Lim MINM D # - � I . ... : . . : I � : I 1� - - I ­� - ? � " 'I .. . ... � f_', , �, ,i--� i�_ - ; " I . 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I , 11, X/ �:: I � I I r , .. 1. . _: I � i I . . �,__� , �,,,_) . _11­ - -­ ­ � � ­ � I I I z _ :, � . . , '' .1 L. I �... 1. I I . / . I I . . I . � �, � . .1 : I .� 1z, , _� I 1� . 11 - � ..­. I ��. � , .. . , . I . I . . . , I . I 11 �� � " ''� -; s -;\ /I , I . . . I .� � .� . .. . I I . � I � 0. . - I 1 I . � . . I I ._0 1 � ­ \ b �\ X \ ". , . ' � . I , \,\",� \ \ \• \\ I \ / . , � 11 I � I , - . , ", I . I � . I . I I 1-1 I , . . - N . I I I I I . I I I . I I . � . I I I . I . . I � , , `1 I � . . I I I � . . I , I I I I I . v6 ,� � � I I I . � . _ I �111'1 I ('I -v /\\\ : I . � \ I 1- - - 0 -L \ � , � I I I I , . \ 11 I I r . I , I , _ . . .. � � . . � � i \ \ . � � , \ � I . \ . I I \ - \ \ N, i \ � I . I � I I I I I .1 . I . . . -1 1_� I TI _V 41_� ,_ �� � L__ " I � . I I I . I ­.- . ­ I I \ ` , , , �jl_ / I I r � -Iff, , 13�) � \1 ,- � \ , 1- : � � r ,. ­­ _- \, \ . I I- I I � " � , ""I \ � \ � I � � I :. I I . 1�( 1 (��So I-0, I \ I - I �. I .. : . , I . : . I . I . , (5� - , a I / 1k . �� . 11 . __ ___� � 11 � - i 1"...." \. z �'Ilj _1'1_�_, �, 1\ .. � 17 \ Z 1\ � - I 0 \ \/1 \ C " _', \ \ ('� , ,_� \ _1_1 --- \ _ �� I - \ � 1. \ - \11 ", �\ \ 1 \ — - I V � ,Xk16 z _1\ I \ i I ,�o