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HomeMy WebLinkAboutWPO201700020 Plan - VSMP WPO VSMP 2017-06-29GENERAL NOTES Sheet Title OWNER: ROUTE 240 HOLDINGS, LLC MAXIMUM BUILDING HEIGHTS SHALL NOT EXCEED 35 FEET P.O. BOX 1467 FR ON T- 5' CHARLOTTESVILLE, VA 22902 DEVELOPER. RIVERBEND DEVELOPMENT, INC. REAR: 20' 455 SECOND STREET SE, SUITE 400 CURB & GUTTER CHARLOTTESVILLE, VA 22902 LICKINGHOLE CREEK WA TER SUPPL Y WATERSHED ATTN. ALAN TAYLOR ENGINEER.- COLLINS ENGINEERING 200 GARRETT ST, SLI17-E K 9 CHARLOTTESVILLE, VA 22.902 10 (434)293-3719 PRE—APPLICA TION CONFERENCE.• SEPTEMBER 23, 2013 TAX MAP NO.: 05600-00--00-05700 (D.B. 2478, PG. 251) 056A2-01-00-06200 (D. B. 2525, PG. 75) 05600-00--00-057BO (D. B. 2218, PG. 616) PROJECT AREA: 14.61 AC (05600-00-00-05700 R-6 PORTION) 2.13 AC (056A2-07-00-06200) 1.14 AC (05600-00-00-05730) PORTION FROM BOUNDARY LINE ADJUSTMENT 1788 AC. ZONING.• R-6 RESIDENTIAL (56--57) & (056-57B); ENTRANCE CORRIDOR (EC) R-2 RESIDENTIAL (056A.2-01-00-06200) ALLOWABLE DENSITY- R-6 ALLOWABLE DENSITY FOR STANDARD LEVEL CLUSTER DEVELOPMENT 6 D.U./AC. R-2 ALLOWABLE DENSITY FOR BONUS LEVEL CLUSTER DEVELOPMENT,- J D.U./AC. STEEP SL OPES.• NO PRESERVED STEEP SLOPES ARE LOCATED ON THE PROPERTY MANAGED STEEP Sheet Title SLOPES ARE LABELED ON THE EXISTING CONDITIONS SHEET BUILDING HEIGHTS.• MAXIMUM BUILDING HEIGHTS SHALL NOT EXCEED 35 FEET SETBACKS: FR ON T- 5' GRADING & MITIGATION PLAN SIDE: 5' PRE ocVF!!69PPc4F=NT- ST0RPu4WA;4;F=R REAR: 20' SUBDIVISION STREETS. CURB & GUTTER WA TERSHED: LICKINGHOLE CREEK WA TER SUPPL Y WATERSHED AGRICULTURAL/ FORESTAL DISTRICT NONE TOPO ck SURVEY- TOPOGRA PH Y PROVIDED BY A COMBINATION OF R OUDA BUSH, GALE A ND A SSOCIA I L'S" AND LOUISA AERIAL SURVEYS INC., JANUARY 2007 THE BOUNDARY LINE 9 INFORMATION IS PROVIDED BY ROUDABUSH, GALE, AND ASSOCIATES., INFORMATION 10 FIELD VERIFIED BY COLLINS ENGINEERING MAY 2014, DA TUM. NAD 8J EXISTING VEGETATION. PARTIALLY WOODED LIGHTING: NO LIGHTING IS PROPOSED PHASING.- TWO PHASE'S PROFFERS.• NONE BUILDING SITES.• EACH PARCEL CONTAINS A BUILDING SITE THAT COMPLIES WITH THE REQUIREMENTS OF THE ALBEMARLE COUNTY ZONING ORDINANCE. BURIAL. SITES: NO CEMETERIES WERE FOUND DURING FIELD INVESTIGATION OF THE SITE. STREAM BUFFERS.• THE STREAM BUFFERS SHOWN HEREON SHALL BE MANAGED IN ACCORDANCE WITH THE ALBEMARLE COUNTY WATER PROTECTION ORDINANCE RETAINING WALLS. RETAINING WALLS MAY BE REQUIRED WITH THE ASBUIL T FINAL GRADES. A RETAINING WALL IS CONCEPTUALLY SHOWN ADJACENT TO A PORTION OF ALLEY A AT THIS TIME. WHITEHALL DISTRICT ALBEMARLE COUNTY, VIRGINIA ­7� - ---- - ----- ----------- ---------------- . ........ ... .. ... z — - — - - ------ - ----- --- -- - IL 3 ? -4_44; 05&X2 -WA -0-0,6200 RQAJTF-2-40 -HOL61NOS LLC 2.13 XC � TF ,H f ......... ... . F 7' IF . . . .. . . . J. . ....... z 0560�4QU �101(2 '131-0-52 ACRIS,�­, PLANN D UNIT:QEVELOP\11� �AN 02 `D.13 Ot2PG. 352 J, L . . . . . . . . . . . .... -05'600--00 00 OS .. ....... . X6:01 CPO C—PokT N RP TIAN �9= fit, 7 17 00-00' 5700 '2- ------ OUTS 24q_HOIPIW� htc _1_20_A�C PORXIO�� .01 AC:(5 ((0 Ji 056KO-00�04 FOOTflILLS CROSSINGIN6 "-,49.925 A�RFS S 70N1NG: R- I RE ADENTIA1, ')-A 05 00-00-00-057B0 v DAILY, EDMUND J \c \,0t CHRISTOPHER DAILY CYNHIA DAII _000AI 26.875 XCRESK' �Y DICAN�O -0 -60 v 051,1�,O 0 CHRMOPHER�DAILY ZONEIG: R- f/R-6 RESIDEN I 1AL(­ TOOTHILLS'�ROSSING)INC RES '�HADAIL -7 -RESIDEN Y DICAi'Z10 '7 _ONINQ�­ C R)I/R-6 RES�I)E�'/ z Z r < M V c f z SHEET LAYOUT SCALE: 1" = 150' NOTES.• 1) THIS PROPERTY DOES NOT LIE WITHIN AN AGRICULTURAL AND/OR FORESTAL DISTRICT 2) THIS PROJECT IS NOT LOCATED WITHIN FLOODPLAM LIMITS, BASED ON FEMA MAP NUMBER 5100JCO229D ADOPTED FEBRUARY 4, 2005. 3) EACH LOT AS SHOWN HEREON CONTAINS A BUILDhNG SITE WHICH MEETS THE REQUIREMENTS OF SECTION 4.2.2(b)l (18-520) 4) ALL PROPOSED EASEMENTS SHALL BE DEDICATED TO PUBLIC USE. 5) STREET TREES SHALL BE PROVIDED ALONG ALL THE PUBLIC STREETS 50' O.C. IN ACCORDANCE WITH V9OT AND ALBEMARLE COUNTY STANDARDS. WPO PLAN SHEET LIST Sheet Number Sheet Title COVER GRADING & MITIGATION PLAN - PRE ocVF!!69PPc4F=NT- ST0RPu4WA;4;F=R 5 POST -DEVELOPMENT STORM)NATER MANAGEMENT PLAN 6 STORMWATER MANAGEMENT DETAILS & CALCULATIONS -71- 9;T-GRPv%M0A;F!!R MANAGEPP4644 PF!TN!69 & GA -6-1 11 A-r-ff.Nfo rn 4;GR 9PAWi4A;FnR N4ANA,GF!N4F!!!N4-- 9 iT-4469 ERGGIGN G9N4;RG6 NARRA4;I44F! & PF!!�A' 9 EROSION & SEDIMENT CONTROL PLAN PHASE I 10 EROSION & SEDIMENT CONTROL PLAN PHASE 11 10A OVERLOT GRADING PLAN 4-4 6RGSIGN & G69164F!44 GONT-Re GA6GW60t;;FIGPjG 12 EROSION & SEDIMENT CONTROL CALCULATIONS 4& FeRGGIGN & 9F!!!9INIF!!P4T- GGN;�RG6 GA6(;6I6AT-I9P PLAN AMENDNMPqT PROPOSED CHANGES: 1, UPDATED PER ROAD AND LOT LAYOUT CHANGES. 2. ROTATED AND REVISED SWM FACILITY #1A (SEDIMENT BASIN 2) APPROVED by the Albemarle County Community Development Department Date File` -1 'TH 0 S",IT SCOTT R. COLLINS No. 35791 11h, k ,SIOXAL cf) z _j _j 0 TOTAL 10 PAGES PLAN AMENDNMPqT PROPOSED CHANGES: 1, UPDATED PER ROAD AND LOT LAYOUT CHANGES. 2. ROTATED AND REVISED SWM FACILITY #1A (SEDIMENT BASIN 2) APPROVED by the Albemarle County Community Development Department Date File` -1 'TH 0 S",IT SCOTT R. COLLINS No. 35791 11h, k ,SIOXAL Ul z �j LLJ Uj mils U LU �J I-) _ 0 Uj JOB NO. 112066 SCALE N/A SHEET NO. 1 O 0 0 D o O Ci O 0 (1) 0 C 0 0- Q) 0 E Ld Ld z 0 In z _j _j 0 U 0 0 O D C) X E 0 cf) z _j _j 0 U 0 (D cn < Uj z0 _j (D fl F0- U 0 U 57 U ::D LL 0 t Ln 57 :5 Uj (f) z: (D U 0 U) a _j in _j U Z < < 0 F- C) 0 w z !�E 01 2-1 >C,� LU 0 Lij (A� Uj Z) 0- Cie 0 U) c: 0 ceUj 0 0 0 O LU tiE rN -4 r-4 M 0 Ul z �j LLJ Uj mils U LU �J I-) _ 0 Uj JOB NO. 112066 SCALE N/A SHEET NO. 1 O 0 0 D o O Ci O 0 (1) 0 C 0 0- Q) 0 E Ld Ld z 0 In z _j _j 0 U 0 0 O D C) X E 0 ___ 11 - , ." ) � i ., I \ -.--- ., , , - -1 __ - __ -1 i r- "..." -, 1. - - -- I ., - I I ___ - __ . . -, , I - -,- �� - ,7 ____ '� ,� 'I', i 11 i I I _11, -1- : j � I 11 � ,\ - , .. - -- , I I , " 1� ­ - I _,� - --- 7-:_- --7— ----- - _­ -- — — - - - ,-- 77 ! 1 ___� ___ ___ - -----,- _­ \ \ - - -- __-,� ------ -__ - __ �� � � � I �1, i - I __ / \ _ - - - - I'll , , - � ____ __ ___ __ --- - , , � � ! , 4 , , I'll, \ ill - - - � _ I _____ . � " - w ��, " " I � � I - ___ \ I __­_ - - , , '\ , \ : I i ; I i I ..... i , " , I I ) � � , ____ / /_ - - -1 f - _. __ �__ I _____� .,-"- - 1� I--- .--, � �___ '__�', __ "� \, _�':_ ,,,' \\ 1\ 11 1 1 t - "� ..� - H 0 1 � � , � . I __ - - __ �� � /_ -, \ - __ ,_­­ - _� __ --,t-- - � , ""� I ___1 I LEGEND: I j " - " _____ 1, � �, I � - � \� . - ,_ -, "" __ __ 11� ­_ � � I -, - �_ _�_, I 1, , � r : I � --- __ , / ,_ I ____� - I � I . : / - \ - , _,� , � i i �_ _�� � " \� I / � . 11 " . -�, - I _., - I /11", ,-,-- - - ____, - ___­ --' - I ___ __­ , �__ - - '\� -, , \ " , / - - ­ _­­ ___1 /I- - �. - __ - - - t -, , 7 - __ - \ � .- ,_ i � __ _` - , --- � i ", - _.- _-, /' -1 ____ _­­ I � --- __ __ __ ',���t �, �1 � - ------ - �_ \ ,�, �1 * ,� " , , \ _-, � , , �p_ .1 " �/ __ T .1 - " I .,� *1_1 - \ \ \ \ 1 � 1, - .X_1 1__� - - � � - �, \ I - I I --- --- t 1� \ ., AM ,, 11 11 , - I 1--, - -1- -1 � 1_` Z / / - - -`�­77�­­-__ - ____ i I � EXISTING STREAM BUFFER IMPACTED WITH THIS PLAN = o.:i6 ACRES TOTAL __ ­­ __ ­­ - --1- ,� 1, � -,� '7 \ -�, I%-- \ , 'I" 1\ \�, \ EXISTING ST'RE , V 1, � � �� . __ ­_ / ,�, /, �- - _____'� i � ,--- I I \ r*�- , ! � \ BUFFER IMPAC � � \ SCOTT R. COLLINSZ ____ " - , \ I � , I , - I / /1, / � 11, ____ I I � REQ'D MITIGATION = 2X IMPACT l ACRES) _,,, 5 , \ I I �"/;,J� � , j;;\1 \ "I ___1 ----' I I '\\ " 1 1 � 0 �-� I , AREA (o.o5 AC.) - . I ____ � /I , 11 -----,-, ­­ 11-11- --I--- \ I \ � .11 I � z I 1� ____ I I . I � � \ 11 \ No� 35791 1h, "I � I I � -,--4 � u I � � ! ". /"/ \ 1, __ i I I i , . I �, \ --- ------' 1, , k�, ", - � i I I � I ­­' � \ � I ___ / i I \\,,I 1; � � 11 I I � 'I , I \ 11 � -1 I �i i i ; i.. -­_ I � i I I I I ___1 � V7,_' ". � \ i - � � .. I- , � z ___ I 11 /�' I I : I \ I � �6 1 \ ", � , I " I 1� 11 �_ -, / - I I "I I 1� \'. � . I 3 % - � -i��, 0 � \ � I , i r � I - - � i � � �� �'. - �, , � ! / f z-__ I P____ � / r / / \1 11\ \ \ ____ _-, ----I � I I 'it � � - /" � MITIGATION AREA PROPOSED WITH THIS PLAN = 0.32 ACRES , ,�', 1\ , '11� . / -,, - I , � �­ � 1111 I 11 �/y 41 r-1 cl� z ( - .1 __ ____, t � � ! � -, . I \ I 1�10i___-11_ �1�1 __ i � __1 \ I - .11. -:" 11 ,I � [ORAL FK 11 i ,,__]� 1�� i --- __ i � � "" I 1, � i '. ­­_ I \ \ i I / � /11 �. jr ,­.'. - \ I � Lij . , - . � 11 1, I i : I :.,:! � 4_­,�, - -',,.'-' �� . Ld � � __ - � i i / - i � � / / , - __ ­-- , t � --- 1-1 _____ I � _____ .---- �, � - r / I � 1, _- I __ t � PLANTINGS REQUIRED FOR MITIGATION AREAS: \� I ; I / . --, �� � 1 I \ Z� 11 � --I-- ­ � - i - 9 - / � ! I .. - _!,:�,�_, I � / \, - ----. __ I __ I _� I � I 1, I I I ,� , I � - -f. , *"I I "' - __ - ) - � ____� I 1 -16 X 600 = 96 � I � / � ,,,.,:, 1-11' 11 / ­� / I I I-- i � t HARDWOOD AND/OR PINE SEEDLINGS = o� � � I I t / - � � I I I ,. �� - � � __ __ - -A CD k � � - t__ - __ ­ ­ � � I : i I \ I J� ­', . � ; 1. z � I , i . - - - __ I --.-,--, _-11- 11 I j -11 I \11 " bl`_,,-, , - `< . % LLJ I I - I — ____ -1 ____ f _ ---."- -1 ­ __.- I ; I I I I -� 'I ..�.. � ,�-�'-,,. '. .. � I I \ � I .11, ,_ . — ) ; . I / I 11��, �.. , \ I ___ / __1 __ 1_1 I 11 . __ 1-11 NOTES: I f � i . - ,� z , . , I � , . I \ (10 , -I- I - - ----- - ___ 11 i I 1� I . - \1 I I _1 �-,,'zt I i � __ i � I I I ---,L,- - - __ I'll __ I" i , � - , ---- i. SEEDLINGS SHALL BE PLANTED AT 8'x8'ON-CENTER WITH TREE TUBES AND MATS IN I � I 1\ \ I I .� \ � � i � _j - _ .-- -1 �� - I �, I , . _j , .- - ­­_` , - 0 i � �, . I \\ �. � \ 1 I - I I . � - I - I � . �. 1­� () - , / .- - - __ I ___ I -1 ­ -, -_1 �- I ----..-, _ ____ --- I-- . �, ACCORDANCE WITH THE CHESAPEAKE BAY LOCAL ASSISTANCE DEPARTMENT RIPARIAN / t / � � ; __ 11 I , . if--,�-1_111._, `��­,�.-.-­.:�,­ - - I I I . � __ _� ,-,- i - I I-- __� -.--- ___ ---- -- _ I - � / i f I I \ .:, * � : t'.,', i \ � � � \ � / ( L_ ) ___ 675 -- f - _1 f i ,___11, I _ --- I- I_ _­ . ... - I - ___� - __ i I \ � - __ - ---t i I \ \ 'I,- � - ____ __ " - I _-.1 --- - ------- I --1 - - - _ ­_ ­_ - ,_______ ___� i,__ , � ­ 1, I - J \ % \ J -,i ­­­ _ __/ - __ - - __ 1'.� _ �_ ___ I—- i \ \. I '___­ - __ ____ 1, � 1� , i __ - BUFFERS MODIFICATION AND MITIGATION GUIDANCE MANUAL. � 1__� ;'�? �..k i -,'�,'��,,�i, ,!�� � I - , , __ - __ __ - - - -111 � i ; \ :��-,'�,,:­%�'-, I - - � � __ ' ' [ 1 .... I - I,-,--- __ 2. IT IS A GOAL OF ALBEMARLE COUNTY THAT A MINIMUM OF 8S% OF THE TOTAL PLANTINGS � , I �k 0 � -- - , - - - .- ___­ - - ': - -- ­_­ �, 'i_ - - - I----- ­­ � 1i - .1 _1 1, " , I m, "'� \� I 1_�_ __ - - ,--- --- --- - --- ---- ------ L ��]___ __ ______________j [ - ------ I --- i ­ _ . . .; ''. I I ---- L71 - , - I ___ 11 - ______ � I / \ \ 11 - ,�. ,�.�,:, �. 1. � - I i I W\ ; �*�',,, , j , � 11 I I -1- - L_ �,, 11--, /I ­­_ I z I i \ \ ': ­��:.,_"�, .,� -, 11 \ - � . - � _j - - I - 1- - ,­­_ REQUIRED FOR BUFFER MITIGATION BE NATIVE PLANS FROM THE COUNTY PLANT DATABASE. / I \ ; I \ ( - _�s:t�-_ � - �- : ::, I � __ " - 1�� __ __ _____ _­ - - �� _�_ - - ----. - � ,I \ __: � U - ., �.::,._" � I&ILLI , c i -, __ C) ! , , U) \ I __ - - � 1___.1 I : _­ - __ __ ­ 3. MITIGATION AREAS TO BE INCORPORATED INTO EASEMENTS. I \ 1� I -�,�,-!� :_ I . � \ Q) I i I--- - - � --- ­­_ I t � ---- 1� _�, _____ _______ _,, /1, i __ - ­­ ­ ___ _ ...... - �, ) , �� ; \ " " ,�1'1�-:" . I t_ .-� ��111 , , \ \ .. --------- - - - __­�____-, ---- __ - - ---- _ -------- - -----, __ _____________ ------________� ________ -,----------- Lj___ — - - ------ ______ _1=__________ __ __ ­­� I ­--------------- . \1 \ . 11 "I 11 Z)= :)" 1w 1- c � ______ --- -- I . � - __________.____�:: ­=_�_-_::z_---` _�7 ____L____Z______.____i .. _1 - , , \ 0 \ % , � ,� I, - � I - ________._.__._____ ------ ____ --- - -- � ----- ____ ___________________________ ---- � --- �,_ - -------- - - ______�_ ___ / __��­_­­__­__­ --------------------���-,-----.--------�----��-�--'--�-------------," \ � - I � N 1, �� . , -1 � - FOR DESIGN ;,:�, �. ��, , , � , I I Q �_____ __ 7 _� . ,=-----,,-,-,-.-",.-,-..-,----�-,� ------ _._.._________ - - ------ ,_ ------- ____.______ I- I . . - ___ - _­__­_____ ­­_ "--.,-, � - � I �. - ____ - - ON 11 � __ .... . ­_­ I 1, � I I I PLANTING NOTES: -`�`.'�,..\ " \ 1\ . � -TV �. �. .'­ N, �. ___1_.. I ___ I _­__ _�, - ___ - // - �_.___ - .�. / i .� vp� \ I I _ , , �_ .:,.,. " I , ,T:;,��:�i:��`H - �. �-.-,*.-,,-,; 1 \ 1�', -I (D I . � I T � � � . . . " I � I _.. __ 4'.. 71"_ `��' . � 18? __ �1_ . / I . . __ .. , I - I � \ - ­ ­_ - ­ ___ _.___ - ------ __ ___ I ---,--- _,, .,�, I / I ",-- - � — ­­­�_ ___ I � _____ --,---- -i. THE PLANTINGS SHALL FOLLOW THE STREAM BUFFER MITIGATION PLAN. . � . .. .. �, I � \ .. � U o � 1-. �� , .'' . \1 l � .1, , _11", .111, ,__�.__ . ., __ _____ �, I—- -- - _­ - ____ ... � ..... _ ___ _____ __� 2. THE FINAL PLANT LAYOUT SHOULD RESEMBLE A RANDOM AND NATURAL PLACEMENT OF PLANTS ,� / �. I � ,:, , � , , � 1. � -4 � — ,----,--.----.�-�----------------------------------.-- ___ ---------- - ____ =_ _­ ----------- " i ,�, ,-, `- �.-�,P_ 1\ m ,-.----,---�--.------.-------,-----�,---,----�,-.----.,--,-,----.-,-� ------ �-------,-------,�------------------ I ==___-_=-_ ___ RATHER THAN A STANDARD LANDSCAPED APPROACH WITH TREES IN ROWS OR ANY OTHER / \ I.- "t-1-4. 11-11 4 � � 3: -_- 11., ., . - , - i __ ", � ­_­ - ­ --- /I'-- - __ ____ __ - - - - "' -1--_ __.__ ,�_ I/ �, \ I ... I � 1, 11­�� - -� 1� , 111L__1'fl__, I I \ m ___ ___ _ ... . ___ _ � --,--.--- ,> - -1 ::�. i -f ,..-*�­­: :1'." �� �= . U) - ORDERLY FASHION. .....:: .., �-!� �o'.- It: -11 ....'T r, , _ , - -.- ... .----- ______ ___1 \ __­.___ ,­­ / , ­­_ 1--, ..:.; I -\�,# ) \ Ill I :;. -1 - I U) ,\ .. 1. % � � — ___ ___ z 1/1 - -___11 ___ ____ - ---- ---- - ____ _.- - , .,.�� , � �4_11.� I - ­­ 4 t 0 Q) — 7- --:7-,--7:---�� . ...... .. . -"----------�-.��-----�:�-----,------=- --- __-, __ ... - . ..... .. . __ ­_­­ — ___.- .--.- .. / / j i �, I '' , �' 1 ,I , ; ,�,, - i i ), \ W � -, � � _­ ­ - -1-1.1. 1111.11 - ___._,_ ___ ­_ _ - � - - __ , � = __ -------- " ___ ____ 3. THE CONTRACTOR SHALL WARRANTY THAT A MINI MUM OF 85% OF ALL PLANTINGS SHALL SU RVIVE '' .. ��. .11. '\- 'o / I , - . "". �, , .. ! 11 � I 0- - ___ ___ ___ , - _­­­ - ... ­ .1 I ___­ --- ­- - --- ___ . - =_ ___= ___ - ______1 _-_11 -1 ­ ___ __ ­­ ­­ I— ___ .. ....... - ------- . ------ _ - -,--- - . . F. - t � ��. & � I .r __ ,:.��-: � .'�. I � __ � _­­�:­ ---.,-�--'--,��,�-=----____-_�-�� - - __ ___ __=____---_-­-_ -) __ __ FOR A PERIOD OF ONE YEAR FOLLOWING PLANTING COMPLETION. I., t� __ -.-,-, ___I�_, __ Z_:_L,_­ - -'--.-,��:----�---,���-,�,-�,��� ­ ­­ __-_ �_'__­�_ , ­- I . - __ __ - - ___:� �_ __ _p. , __ � �- .:�, - - -1-1 ­ � _ ___ __ _': ___ _____ ___ ___ _,_ - --- - ---- - � ---- --- 7 . . ..... 7__- _ - ­__ - ­____.______,________ __­_�,� __._­'� .- �� ___­ ­,­­ - - - - f x __ _,_ � - - -- __ - _­ - - __= - __ - = _ - . / /I i ­ ­ __ _ �: � ,, ,, _ �__:�'_ ­____,__�____.. � . .. ... - - I < � --- -1- ­­ 1-11 --- - 7-_-___--- - ­­� ,­_--­_-_-_-.,. _­ ----- - 7-- ____-7­� ___ __ ___ ­_____ ___ _.___ , -111- , , . I... .1 "'.1i., , 7,j -i " �� ,--q Q) I _____ - -- ------ � __ _ - ----- .___ , .,--. ______ ------- -- ____ ­­_­_�___ - --- _,___. -I - _­_� - - =__ � ------- - -.---.-- _. ., -�\ - ,,, , � : (A z n _ ,-- ______ ., =- I ------ I ', 11 ­_. _1_7 4� THE CONTRACTOR SHALL FURNISH NURSERY GROWN PLANTS CONFORMING TO ANSI Z6o.1, WITH . � . - / // I 1. i .� � . 11 z - . �'f_._,F / / ; / f a __j �,-_ 15 (n w --- . . . _­ .T1 " 1-1,11.- I I / / __� -­­ I.*---- ­­ _____ ­_ -----I- ----.- _ ___ ­­ HEALTHY ROOT SYSTEMS DEVELOPED BY TRANSPLANTING OR ROOT PRUNING. TREES AND SHRUBS I.- '. / / // I/ // /I , - '!'_J-*� � I-' ­..F.�: 11 11 ,;;� � I.; I z 0 < 0- I.- _,�� . � / - � . -1 11--- __j POSED WALL (MAX. HEIGHT=6') _­­ __­_ ­.- - ­­_ , ,;:,��J,-�','� J,: - - 1� -, - - 11111 -­ ­ ______ / - _'�, �' - SHALL BE WELL SHAPED, FULLY BRANCHED, HEALTHY, VIGOROUS STOCK FREE FROM DISEASE, - - I/ I ., _� I (D Z �,� / ,�,=i I I o E r- - Lu .- %. -1 / " " " / , �_ u D 72 - - � 1. -----// /I / . ....... . ­� - PROPOSED 20' 1 _/ I � ., ­tl� , "I / 0� z I, z 5;_ 0 ( � �4�,�,�_O�­...�­ � / DRAINAGE EASEMENT--- , / ", - :4 "t , / , 11,04 u co -9- - ___ _____ - ,---- ____ ' I ­­­­ ------ ­. ­­­ ­__ if. " - - ______ - _ ____ -----.. ­_ - - ___ --___�: ,,.­��- ,�� ____ - __ / �- - � -_1 INSECTS, LARVAE, AND DEFECTS SUCH AS KNOTS, SUN SCALD, INJURIES, ABRASIONS AND / / :- I , /, 0 z �� ., ,, , , -,- -1 - 11'-1 � ­­­­ .... T .... ­­_ ­,; ,�'* , . . . . . . . --- I . _." I— / Lo =) - I '7��--r­ "1'1.111�?_1_1 '=2 'k� ­­ . _.+_""� ­ -I- u ..6�1111 . __Y___�G;;�_, '. ­__�O�.'�,,,, ." . . . . . . . ­­-, 101��o DISFIGUREMENTS. �1,.h .71,11" 1 �� _MMM- _ ­_Sl��'���444*41 - . - � � . 7$. Ez;_ - g 0 ,� __, , ---------- ---------,- ­­ `­ ... �'­ .. ..... , _ __ _ , � . " i 44, 4 --- ---7-- / , , ­ ' ���_-___0,'.`�, =_ ..., - ­­­ _n - - __ __ - __ __ - / � �� z 3: - �­-1=7�1 �!i-��* -- - ---- M --- �_ -il"0"l ____ __ , , - , __ . _­__ - ,- ­ __ __ __ __ __ __ - � 1.11- =�- -_-,:,:= ---��E__L�� _ ___ __7 � __ - ­ 5. NURSERY GROWN STOCK SHALL COME FROM A LOCAL NURSERY OR BE ADAPTED TO LOCAL � / // I I. , /� / I I ff Am 3: -,= 1-11 � ­_­­ ____.__ - , _1 -­ - _7- _____ ­aj_ -- = -- ------ __ __ __� - -__-___-1__. �11 , .�.. Al- ul . ,= - - - ­- � _�_ �_ __ -7 z �/ , __j __j I 1_��__ __ ­-, - _11-, �­J_,�­ __:::��� - - - - - . : -- 1 ______-684 / ___­ ___ -----, - - --I- /' .111. "I / , ", 116" - �c_ ­ -­­ 11 .. - - 2.- � __�,__�= ­ �__ - ___ GROWING CONDITIONS AND BE GUARANTEED BYTHE NURSERY AS SUCH. -1 . 1.1'.1 N _11� ---I-. ,/ I/ I/// " / � 7' < ul I- < - - I �_ - -1 � I " -5"- , ,� r - ��.._ � - / ` �.�. _1-1� ,; " � - - - - - - � _­­ � - _­­ �, - __ __ +00�­ * .., _,..��ts!P��_ - -_;� � , - � -_ /' ___ 6. THE CONTRACTOR SHALL CLEAN THE TOPSOILOF ROOTS, SODS, STONES, CLAY LUMPS, AND OTHER \ .:-� .. �x ---- //1 // / / 0 �- LU _j . - - --- � � - , , -.,. 7%'.-.-. � .I-.*..- , ,%* , , 15q . - - -- -- ---- -,-- - ­_ �__ . I __ // .", �mq - c1c 7� 2 - _1 .,_�� � :. _.:-�.::.��.. 424'Pf .- . . I "I ­­ _� / I ./ Fn z V. - ,.-. . ._..:..::_j_ \� _­ X / /I I 1/, V) __ __ :-,- I. . .R . _____ - EXTRANEOUS MATERIALS HARMFUL TO PLANT GROWTH. / - !;� . - - . ­­_.r..��:.... - /� / - 'I, ; W - 11 ... lo�4" � 7�� .:,4 ____1 _._ "' ____-1 c 1* PROPOSED VDOTSTD. CL -i . / > C --,--,- ,_... ......., ­ I - ... I ­­ _�� . " - - I- - _-, - ­­ _____-1 7. THE PLANTS SHALL BE SET AT THE SAME DEPTH THAT THEY WERE GROWN IN AND THE TRUNK 1-1 / / . > > 0 ----..- _­­ .. .. . - - �' - ....I.,., "I, ___­ 11-, I . , I 111� . / 0- 0 M __ - - I .. 11 11 .. . .. � _ - . ._.­._­ - � ; i�_ , . . -, --­ ___ I ------- , 1. .- ... - . \N,�. / I ce :D a- __ - , - � / , SHOULD BE SITUATED NEARLY PLUMB. TREES AND SHRUBS SHALL BE STAKED, AS NECESSARY, TO RIPRAP OUTFALL (Wi=g', W2=i5', L=22', D=2-5) � � ui 'ji I - ` � - � - _ - - - - _­ - � 1 1 _,", / -,-.- __ __ _1� / // I T I 0 -1. - I - = ­_ _ = ..... -I'. . �.. .. ­ - %�, " � \ _1\ - ­_ �/ I ­ I i :3 �: , . ...�_ _ 1 -��..7-:-77­_ 1 - U) I , ­­_ - ....­­­ .... ­ � ­ � _. ... .*.,� �,.,� 1. r .. I / PREVENT THEM FROM OVERTURNING. - - /I � ... ­ ­ * '' , . ....- / _, ,// �, - - , -11 - , * , , , " - i_t ­�L� ............ � ­ . � 61 * .4......... � I ........ � . __ - - - , " / I - I", �;, V) � . .. .1 - �_ __ . .- - -1 ..-,.*.*.,.,.-.�,.:�-�,��.'��.��: .-..::..7 - \ ,� I- ___� , , 1, � / I / 0 c 7� 'o . _ _. � .... .. , , * , '� - 1�,�... I � � - - --7--.. �­ I ..,. _.",., � �_ - I - , .,......�-�-,-.-.V...­ �%-.-.., -11 I 1�1 . ..... �. . ..'.. �...%. I ..:�� ly ce - / I .- .. � 1. , --1 ... ; :-71- �1-- .��..'��:* __ : PROPOSED 20'bRAINAGE EASEMEN I l yr. 8. ALL VEGETATION SHALL BE WATERED THE DAY AFTER PLANTING AND THEREAFTER AS NECESSARY - - I cy I - , - ! ... � � _. ­,.� .....�.. :.�...,�: , I I __ ,---/ / 0 , . Ill . 1:':-_­­�L '' -.'-'-.- _'.'�­.'_":.. � I - .... _ _ � .... I . .... - -, - , ­� / " / 11 w � � Lo %� -11 1. ... I ...... .... -,_�'­ . / '. -0 11 �A ,/ 1%1-1 - () ��:_ ­�', 22 1 ­ - � Il ,� - / , �; / , / I— .... I � ..... I .... I .... ­ ­­ ,;! . 0 . _. _ � ..... Z"��:��:-, *-�:�:,�i:,�::-::::,�O�� _ -y6:: -:..J I , _- ­­ "..%-:,�:-�_�.�.:.:: ", :�� - TO ENSURE SURVIVAL UNTIL THE END OF THE GROWING SEASON OF THE FIRST YEAR. - . / - / I I < 0 . - � �:,: L'o I �_, THE GRASS SEED MIX LISTED ABOVE SHALL BE SPREAD THROUG HOUT THE ENTIRE STREAM BUFFER I---- ­_...... _--1 Z ," I / I > � TV: � �:.� �:�v��::W 2 , ���,� 1....:.....,..... I - - - � I ..... I ....­ ..v_ ) _/ rl\/ 9. ___­ Z, 1� \�_, ; / __ - * �, --- Lu 0 ____,­ _ I. 11 I __ TH z' � � 1� al� __1 " - --,---,--- _-:ILp ..� 1". I I � � �: - �' �:'.:�m�m�: t �:-�-:-: I t " -�. ,---- PROPOSED VAR. WID / I - ­ ... ". � ... I ''�-' - ' - - \,,.. __ I 10, "I - - , , � � ­ I - .1.111 ....... A, *IL-41ROPOSED 2o'DRAINAGE EASEMENT (TYP.)',..,.. ­ .:.:-j.-�-:-:-�,:-:-:-�- - .- . 0 MITIGATION AREA. , . 11 -0 _1_. .- � . .1 . .. . - - � ' . - . ''I ...... � . . 1�1 ....... , '. * *1 ... ... . - --- . :I: 11 ­__ : \ PROPOSED io' SWM ACCES - c: -, .. IV..��.... . - .- _-, I., .�-.. -_ .. - - -� -�:'. , .....�..._ �........,. I ... . . ... �.,..! � ......... . .. I , . \11 m � j.o. ALL PLANT MATERIAL QUANTITY COUNTS ON THE PLAN ARE THE RESPONSIBILITY OF TH E , - _­_ I - " ­­ __L __ ::��:��:�:::�:� ��. 1;it..... .... � .... ­­­ .. .8.. � ... � .... , . T .�.:_ ��,� 1�....`. -_ ,", , ��. ��-: � � :�:� �:::,� � - ��v , - ____ � . I., _ '. - - , -� .-- " -�� i i � _ _ � .... _f. ..­__ _ _ . . '---- � ` a / r", �]Z- , �' ... I ..... � ... / �.. � .... ...... 1..-_� -- /�, "� , � . :.*.*.17�77: ( I - CONTRACTOR. PLANT LIST TOTALS ARE FOR CONVENIENCE ONLY AND SHALL BE VERIFIED PRIOR TO ----- - 7x�..�-.. __ . ......... 1-1 ......... I .., , , , ..... - �_ ___ . '. \ MAINTENANCE EASEMENT _ . . . . . I _, ______j ­ .... I ­ , �.�,:..�.:�.��".,?::.::.::�:��".:..., . . I / - 11, __ ... - I I �, q _�_ - . ....... ...... 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I ---------- I - - -1 , I - - - - - \1 ---- -- ­_� _._'__1 � .- --- " I - T —11 _ - - ­­ - __ ___ I - "I __." ,-."- - __­ __ '_._"'� -- ---- __ ­­ - - _'____ � r ............ - - , / / / ,,---- j I — — _--l- - - " - , I __ - - ---I ____ - i �� ---- '___� I - - - " ___ , �r __1 _ 11 I � - - __ _'�_' - i , ....... , ___ " 1 1 - ____ - - - __ ' I, '_� � `% I -- , ___ ---I - -, -, �" i � , "A- __ ."-, _'_k �_ I" .. ­­ �' _1 I __--- � I i Approved Pre -Development 6.86 8.49 25.44 Approved Post -Development Routings 1.48 1.61 2.39 Amended Post -Development Routings 0.95 0.99 6.46 PrIal Buildout Post-Dev. Routings 0.91 0.96 6.96 , - '� I '­ ­ �'� - __. I-- " - .1 ­; y' ,� �` - - _\ � , -� -- -','�U­ __ . I -1 � I . - - _' _:�i_ - ' , , )" I 11 - I I / " ��-. �" I L - �J# - -z '� �- I --- _'��' '/ " :2,�>'__ , - ____' ,-.---I- - "__ - - '�/' i I 11 / __ - SCALE 1 "=200' 'k ." 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COLLIM � - -I__-_ - - I -- I LL�:��'\' , ' I- - . - �- I � � I I I,\ I 11.'�_ ��'��--'____-' '_ - � ; ___ "f. z - - _�;� � , '_ 1 A i - I , ___ - ' - - I .. __ , \I,,' -, 1<g "�_ r- -- � _J_�_ �_ - /_ , � -_ � '; __� �"' _� I I /�' 01_ - j�fupj�W�R' uq �5* 1 � -- ' �_ - , - I L__'_'_�_ __ I'� , � __' �__ - !11�_ , �-- -- ___­_ _____ ------- I 'L��__­'_ '_1 __ -�' "U , :�'___' f U 5w" �' . I -�-___ - __ ___�___ - kl�\ �' .- '�_ -, ,__-�'�� �- , I ��__ /' 5��:�� , t �D �_­l I - i, /! t"" \\ \ --, �i'�-\�-7f_-��q �_ �� �'U_' \1�(""(?!:11, r _NT q r_ r", 0 I �'__ "I , 1� - -, _ - .- 1 �j L "' � , �- (f -1 . � i _'� ­ _.- : ::X; �! :: - ; �"�� .... - " ..... . - � "I I- - 1� -1 ;.�'� \N'�".."".�NII - � -, - ... .. - ---,-, -1 , � \ __ r I , N " �"-.r- I ------ -, - I ­ "" . ! .. .. ... - �' -_ � -___�_' ---- -, "� , , I I -'___y' ;�' � _""ff,q'� , �'� , " I I __'_' �7' __ _11- I- �' / �_ " - - 1-1 ; f ,,, . 'i \ 'I Ai ,, , -6 - - ___ - - i � i _____ - �\�-� , j I k , - \ i ____� le� k $T - f __ F /A� , �� �."('I)f , T.� -I _�'\ I � � I - J - � �� jiw' , ­ �'_ U , - 1.11 _P1 ' - I ­_ "_ / ", -, �____ __f___� i I I - ',� , -I ��"�'--p��z j, 1 "_' - I ". —­� ------- ! � - '�� , ' -1 1�r .��4�_'__-__ zk_ �1�41 6 C _­_­ __ � �'_­'_' i I / /I �_ ­ � � Note: Per the approved 9VAC25-870-66 calculations, this development meets channel protection compliance by - � - - . 'z, - �' I I . - -i- ." "" \ � i _"f�_ " I I �"--' -- - !T�';;�� - X I ,. .� - / _' I � , 0 �' �41� k " � I _ e . ..... - �/ t I - I -) __­ / - -11 " z I i .' _____ / � I - I � " _ I, \ � , ,Nm""I, �"�'.\��" - I R ---­"�� ; C' I '. '�� , --- I having a post -development 1 -year peak SCS design storm outflow less than or equal to 1.48 cfs. ­___ � , _� I- �"' a� " I I �11 � \ _'�� I 11 I, 1 I " I . '�'\ " \ �� '�� .....i� I _. ­ - Ljj / I , " I I ' \ \ / ,_ I i L, ��­ 0� . ­" "'� --- _7:z:�' ----i-- / \ I I-.-- . � I �' Ljj ? 11 ,_ I I ' ., I I � I e� � I "' __'\'�_'�')§ - I , I � I �' 1, t; 11 11 I � 1 1 t I Is I , , 1. - (___'___ ! I I I I � FINAL BUILD OUT NOTES -_ -, -), I I ! ", -i � 1, I, " � �\' I �� '>: �' � ,�_'� '.'� 11 � _'_' _.- I - I I '� W\ I � �' I I - 11 'I z . I I i -, I THE LAYOUT SHOWN ON THE RIGHT IS , -- - - ",i! I "K,11111 " ' �=_� -_ (D I � I ) - _'� I - - --- I -- - ­_ I � 1 . � I - "". - - " ilze-1 - bl��1211711 A- ­:_�:�-j-�_:: z I I I .i , I --_j i - __' �1 \ 1 1 / / __ il I - -,- I / - /�__ ' -- 'I _'__' ,_ -i I \ . I � - i;�y �'i I :-,, 11 '��' I I I //,/ ,r -,'- . q - I / ; ;� 1. - - / ., ­___�� I Li I ' \ '� I / ! ---I_ I . r ; \ .. I -, � '�z 11 I I \ �_ I �­':;��Z \\" " , -- 1 1 �' --- -1-t - - � � T E GLENBROOK AT FC)OTH ILLS 11 ... " 11� ­��­-- , !� , t � ' DA #1A Final Buildout Impervious Area Summary CONCEPTUAL IN NATURE & INCLUDES �__ - , , \ , I ' " - � -�- :` _"-�/�';"Z"�'- '� --- ' - - , '� "t " \_;:�_ (10 : "I ; -, I i - - - - - _____ I � � i � I - I I \\\\ r, ----- - �� R _r�_ pg���5 �" �) i - i �1 (For Water Quantity& Quality Calculations) � \ /11 ffilllrb - , . I � I \ 2 / I I-_ --- _ SUBDIVISION CURRENTLY UNDER I , - I I I I ­­ I., --- 1-1 ' � I 1 Aqv" � " �Izs:s �'_�___ - - Z / ,� - ' �' - � ;�ff"E�-Z�" -, 11" i ' � 675 i 4 . 1� - L- * Roadways 20 1 - '��______�:�:�-'�"" I _j 1, 1.1.111-1 ..... . : I �'. I 1-1 1, '-, "'�4-- - - - - "', . I - -z-- I I I - - , -'� _j , 1 ,,, I ,,, � _ / ;' - -_ � �'f / " .1 I ': "� �-­-� 5- 41�130&" 0 i / I \ 1 \ I ; -- _____ I i __ � --- ------ ��­ j -- --- -, --- - __'__ i 1,934 Sf- � R VIEW. THIS L YOUT HELPS \ \ I I " � I '\ ,,, 16_�' __ , . � / 11 \ _­­ - I i ­-, "I '---,-,, I ____ ---,-----,' -1 I ----F ' I � 4 � 11 � I � � I i i � * Sidewalks 39,941 sf � , t)011111\1\1�_ I I . �/ , I'� t - - - ­ t : --- I—- I _1 - , - - I i I ' � 1 I ,:N .' �:�-_'__m , 1-111, -':q ! , / _'_'_ � � - OUT OF ­ - t ,.--- � /'/�" / " 1.1, C) ., ., Z' � ! I 1 -,. _­.­ /1--_ _­­_ _= -1 , - - -1 -, I '� --- I ­ L---,----='-- � __` ' i � I , '_�'�' , _� I �'�' i I I 41, _­'. I- . F , - . :-- , [SION PLAN - _� - ' , 611C --- '� i "" -.,-,- _____ ___ i - I 1, - / " , '01� �� �'�,,T� k' . 'k I ____ - 1-1 i ,_ \�/ J�"'�ijf I 1, � - t '_ - -- -_ 11 .1i - 'IN, \ \���fll - 11 i J . ,- / I I 1 1 i [ i ___ ... � I - _-, _'_'_ � - ! S Lots where Half is Captured 5,000 sf IS REQUIRED FOR THE __ I � � / ., I U '9 , "��% - I! � � " ; I t , � -1- / -- , , I �­ -,� , � I � - � 0 11 I ! .' - I i ! i I �' 1-11 � ­_ .... I - ­". kl­ i I --- J ___._ __ THESE LOTS- - -_ / /' .' :: � , - ii N10"V ( � � I _ ., I � _11 - - - '�_ �_­ - "' . , - - ** 92 Lots where Most or All is Captured 184,( 1 - ­:::;,*:�X�111 - ( __ - __ - ___ I . -_ � \,- _�54_ / - -_ �__ -­ __� ---- - - 1 -- -, I 1-1 I ' -- I . , � -------- I ___ i )oo sf -- - I � w -,A 41 C I "� , - i 1� ____' -_ ­ .1 -_ �11;1 , 1 � � --- __ 1 2. 1 HE FINAL BUILD OUT MVATERSHED 1. ' --- --- � / rq , - ", " / I _-::I�.�'_ I � i ' I I '..- - � - /I _'__ � � .!,., -- � "I I i f � I,- /1-, _=_'_­� Approved Foothill IV Impervious Area 16,085 sf SHOWN HELPS DEFINE THE DESIGN \ . _/ '� Q) , ____--__-1 ___ _ --- -L-- ,--.---i - -1 � _­ _."__._ __ _._ _ -1 I , /I ' I _':��_ � U) , _____j_ ___ - _______-1 -------- -----.------�----.,---I----.�,-----�--.-..--- __---_1_ _" _____..________________ ___ \ N -_ . - REQUIREM NTS FOR S�WM FACILITY #1A I , C 1, ---------L -- - ------- --------------------- - - ___ �_ 446,960 sf - I � __ ­ - 0 \ ��:::___ ­­ - - ___ _1 I __ I \ �'\\�'-­ - 11;�V'� I __ ----- -------- ---------I---- - __­"______­_ _______ ---- � _'::� - - -------- -----,------------------.--�------�--,---------- _________7:�' __'__ _­ ­ ___ --"---- - ---- ­=� --- __ - T 1- _-7: _'_____' � � , - ____ __ 1-1- � � "!��' I 0 - I\- "\�" ", - --��- �' -.--.- ____ __­___ � -_ �\ ­_­­ I - ­­ - I I 'W I I � - Includes Park Ridge Dr, Fut. Glenbrook Subdvision, Fut. '__.� , � % ­_ - I ��_" __� I, __ , - , " __ ___-...1 � . = __ , I _�' �11. �_ -- ------- _ ________ I SINCE IT IS LARGER AND MORE - - % - '-,,-- "� '� , _i- _ I- __1 r" t__ 1, ­­-, I I ___ ___ I 11 - ____ __ IMPERVIOUS THAN THE APPROVED \ �'_"�� __'� ' - __ - ___ "'.__ _.____� //----- _____ _­_ - INTERIM WATERSHED. 1FHE AMENDED \Mliu -, i � � , 11 " \ I \\I,,- ------ I 1__'. 11'� -- -- - ----------------- -------------,----------�-�-------------�-----�-�--�,�.,-,., ___ , I - - � _ \ -\ I I , " � I . � " ---,- -_ -<-- ---' --- - ­_ __ �-, --i _ -- - ------------- � - ------------ - ___'_'_.__­________1�� ---- -- _____ ­­_­ --- ­_____' _-_.'____1 --- - --- �-----------,-----,�----.----�--,.-�-.---.,-�---��-,-�,--�--,-�--�-.-� _� �'. - _­ 2- � __ --"- � � IN \ , , � - - -­' " - - - _�� - .-....-..- Eastern Connector & Fut Dunnwood Dr. Extension) SWM FACILITY #1 A CAN ACCOMMODATE - , \ �� I \ ! \ I -:z � , _-, I—- ­­­. � __' ­ -1 --- I - ------- ____ __ -11-1 I '________ __,' � I—- ____ ­­ 7--_ '_ ,aIl 11 � 1\ I I I I \ . I 1, i � "" \f I -----." __ �--__�- - -1 j/ i I _'. I-,- 01) ft, I � --- � ___ - �_ --11-1- I - - �z====_ '­­_ ----,-- _____ ___ '__ - - - - -- _ ___ A WATER QUALITY & QUANTITY CREDIT .- 11 ) , \ \� ) I , i " 1 � 1 ; I I '___ \ _'_"' - ----. I ! I f \ '\ " - _:­­ I �' I- --- ­_­_ ­­_ �� ­ ­­ _--'­_� - ----- �;�_ ­__ � � - -------- -- ­ / "�\ - V) � ��_ ­__ � __=_ _ I � -1 - ­ ------- - I— I— --- I ---- I_— _'____ ___­ ___ ' - - - - ­- ­­ ­ ­­­ - =_ - --- �. �_­­­1 ­­­ --- --" " " \ , 0 (n _�� -___­_ _: _ �___ -1, � �_ ___­ 11 I" ___" ** includes Future Glenbrook Subdivision ­ BOTH WATERSHEDS, HEREBY PROVIDING I 'I 1� - , ,) U) , ::_ �: I � -,-------..- -.---- __._7-----! -7 - �__ --'_'_______z --- ::== ------- - - ___= ------ � "I . __ __'. ----- -- � -- - ---- I 1� , - -.-----,..,. � - -- - ­­ ­­=�­__ __ - � I—_ \ F - I _:':�� ­ ­­­�� _ . - _­�:__ ' ___... ­­­ --1-1-1- � �f_�_'_ q - FOR THE FUTURE DEVELOPMENT. - % , I - __ ... i��i � - - - � __ ___. ___ __.- ____ ____ - , ' _­�____ ­_ _-___1__'_. _­___­_ ____ .. .... - __ - - � I �� I 11 ­ �- ­­ . --.1--- ­­­ ... I ­=__ _­­­ - : �-- ­= -, I I I/ �' , , - \ , % , I-- ___­ 11__--_ _11- 'i --- " I " , � -- -\ � ' il --- . (D _­ ! � -_ ' 3. AMENDED SWM FACILITY#IAWAS SIZED - � _: '� "_ __ - � - I - uj I.- � - I ... � /' � I I , I I --'��__- -- ­_-'-'� �_____ � D_ < I' -E z X I_ � � 11 , ___ - - I _�' , � 1� \ � ­­- I I ' V) uj Q) ­_ --- - - ' / I / I R �'�'11E"%' \ -I--- __� -, 'i, ... .­, ; i I, '_'. __'.__1__ = , , VOLUME OF 65,084 cf. THIS VOLUME WAS - I II� \' I � 1 / / __� , _�. _�--, --- - --I z d z --- - ". '_ IS= ", _ - __=___.� -------- - - P*AXIC � 0 1 1L. I/ � \ . I __ - J—----_`�`\ ;-- '_.11_?_111'1g .1 __ 1�1111e _�_' ... ... � , '> _. I".." 11-10W _'1'jjMg.f------ --- _ __ __ ".— - —,-:5 '.0'. � � �: \ �_L_ - M_ -, ', ... �.M � ��' I ,�_ � 'I 1.1­111­1�­'� rl�':'&�:' I- FOR A MINIMUM DESIGN TREATMENT . �.�,'?nlw-_-11-ffi­'�� � 0� 101 . �"' DA #213 Final Buildout Impervious Area Summary / ) 8, "I , , � ­___ -- �"i�'\'k - lgl , � , I I 11 I , I I I __­ - � I / / 4� �� \� , " ­ ------ , '_ , � / - - �`Ql� I— - I " �%_ 'I --- --- - ­ - -, - ­­­­ ' - - _- I --- (For Water Quantity & Quality Calculations) CALCULATED USING THE VRRM AND , I ­­- � � ,_-'\--l*-�� �: '5 U') 2: .1 --- ­­ I -----.-- , � 0 - _-11 --- I- ____" '�__­= __ ;=�8�u�__ / ' � \1 __ ':�_-1-- - --------- ­____________'_____ - - ----- ��________M49!9NN___ _#0WiikM .------ *R�mwm�'§msmwwa�E���"i' 1___ _____ _­___ - -, ---. ' � 0 - ________________'�_ ------ - =_".'_� ------ �__-'_-_'_'__-__�]' - , � _=_ _,='___'_ " �--.=-��,�-1-�-=--=��---i---.-Z=--�-== __ ____=___1__=_ __ 71M � __ �___ � "g��f-'r. - A I - � ........ ___ ----- - ' - �_ � ASSUMES A FULL BUILD OUT SUBAREA I F & - ----,- z < - 0- F 0 � - __ - - ' I __ -'_ - __ ­ -;k' ��'� �___t ­ . '�' Koaaways 107,000 sf - d= 1\ I \ ---<,, /.� ' _j 2� U 1-1, " _'__ __ M __ _____ ---- �__� - - - _:_ -_ ____ - -- (D 11 1- �7__ '__ - - _ - -----_ I CONSISTING OF 10.26 ac. OF IMPERVIOUS �7, __­� --- ----- - - - - __ !" ""K; - ;­ , 0 I P - z .' D _ _'_�:" _�_ ­_­ � .1-1, -_ � - .�* i� - . — ' '___ - 11 ", - \ - __ __ - - - a- U - - - , - - I R, '­ 1. �� � , I / ___ Sidewalks 32,605 sf AREAS & 11.03 ac. OF MANAGED TURF. I \" \ " --- __ - "� I - - ___ -, � ---- �_7- ­ -,'------ - i "', , \�A " re 5- 1 � -.t. �: 0 - - - 11 -�.=_' %% I \ , ' ��o �'��_Z ­___ % '� _�� - - '� - , � _-t � � /I -_ " - , ___-_:��_ -- --, '­ I -1-Wl- ��_ � 7T= - I ��':­ - I '­­ Z' o� �� I 1-1 -1 , -, - '__ -' 1 , 'X �� _:' ; - � 3 Lots where Half is Captured 3,000 sf THE CAPACITY OF THE FACILITY GREATLY I ( :�� -' - - , �!" PM4 (-) 2'- Z I- � I , � " - ji;i**:� ­�� �:� �:' � _. __ - .- _1 � _­ 11, �:� - ­ I 11 � , 1 / - \ \ \ " �� / . - ­-, ' U') �­t�L-.-­ --- ___________ '­ - ,/-- ­'� ": 1, � � / - �_ - '_ _­ - EXCEEDS THIS DESIGN REQUIREMENT. �11 ;�� _1_______ , . , \" . 5 0 ::) 3: ___ I � - __ ___ ­ I I \. � � I uj - :�: CL r-) 0 1'.._-'-_.1 r� i "__ '.11 ------ - I I __ -_ " \" I 0 - �j �D -1 U 0� ___ -- fT � \ .1 - - �--_ I . ------ ---- - FACILITY #2B, WITHIN THE FOOTHILL ; ... \ I , � W) < 0� 11 �' 111- ­­! i" __� 37 Lots where Most or All is Captured 74,000 sf ­ 4. THE FINAL BUILDOUT WILL UTILIZE SWM - 1 1 I I �i I � N � -_ ." --�- -__ -� __ � I I" / - " � / , 1 �'--- ,-"- ,Approved Foothill IV Impervious Area 49,658 sfj ', I \ / / ­­ --- z _J� r- .S� _­ I I '11 I 1, . - I.. ,- t - �' ,,, - 0 0 - , _______'___' , / - 11--_11 i'l, o : - -1 ­ ­_­ ___ .11'�. ____1 PHASE IV/V PROJECT. THE EXISTING ---- / " , - _':� bN4 0 I.- LLI _Y , � � , / - I , \11�\'_' \\\11 - 0- 0 _�_ /11 .. - 266,263 sf DETENTION BASIN WILL BE UPGRADED 1\ � -- --,, -11 , , \' '�� � "_ � " '\ - - I'\ I . I � I -_ : V�'N\-' 2- (1) I ,::x I i / , '� , rn ��i � LU - a , / / / L -,-. j "g, "_ - _ - - - --- I .. �_ 11 . �� " / I TO A LEVEL I WET POND. I --l' I, ", ('>'P�" �� / '� ,\\ "\ ��_- � __ � - .� � I � I A :" ,&- �/ I ��' - ' � X11" I__ - - - ------ �� � -1--_�__ 8�.i�i�' I�' ) ;�_ r� �_r_ "_ �_� I __�� / ��' , La- - u.j �� . _ - I - -1 " / > > I - , 'Xqw� 5. THE OVERALL PROJECT SITE WATER '� \ � I � - - � � ! I \" I" \� '�' LILJ 'e I I - � / I . � '__� ' U-1 ! i _ - I / / � ) I --), '�� . - f / / . ­ DA #3C & 4C Final Buildout Impervious Area Summary I QUALITY MEASURES WILL REQUIRE AN ; "I I k� I 1/1"', ) I 1, I ' " ' =) LL > 0 1/r - _�' ", - I I / " ­_ / .'...' - �'j '\�� " I -1 - I I I ­­ --\-- _____ I . ,�.: '­ Y, \ \" - , , - , I— \ I ; '�" / __ " % I i ( � (For Glenbrook at Foothills Water Quality Calculations) ADDITIONAL 1.49 LB/YR PHOSPHOROUS ­ I - __ I - ... \ � I, tjr) UJI :3 . \ ---: _.' - �' / � � , I � - - _____­ - f , . 5<1�1" , . �' _"�� - -L __ I - I �L� I I � 1 - 1-7, X\ �11 ­___��' -.1. - , I I , -S REMOVALB :�' ,,, ., '� , �A r"' ­­ . " '-_ :---0_-_-__ \ � / / - __,fI, � � . __ _­ "' -1 :;' ___ �' �� I E MET PER THE VRRIA I HIS 11 - " _-"��!__/� ' _�� - 2� (n _11- ­' - .�_ - I Binion Drive (A portion of) 10,132 sf - - . �/ - , - - , -, = 0 ­­ ­­ - - - I - �" -1 - � , ��'_ C - ri.� .�' � -_ 4. . - / ...' � INTO THE LICKINGHOLE PRO RATA SHARE - " _ , __ - - I—- " - .. �", 'E7 --t . I f/ � .11 .11. 1,586 sf ' LOAD WILL BE TREATED BY PAYMENT � Z.- C / - -rl- �__ \- \4 0 � �� ­ ___ Sidewalks 'A " ` '___�_ �_ , T''s , ur) _��r - - ----- � zl. _'��_:��o�L .. If -6, - ' * '�� '-,,- i �i I . , - , z � , - __ "�'�A'_ - �_ ____ It �..� , > , * I - , � � . - - * � I - " / '/ j ; I � �� 11 � � � �.� 11� I I �'�� ��. . " , 1, _ , % I - 711!� ' / � - - --- , - I � - ._� I LI -I 0 =z�' ..... " 1. _ I . - � ___ . . '� . ." �_ - ''. � / 11- I WHICH WILL REMOVE 30% OF THE 8.50 1 __ '�_ - - _-Z -_i_-_ '_1 4"/1 � I , , , ''�.� �'�'.�_:"_.'.�"'..':.' - _., - 1- - 8 Lots where Most or Allis Captured 16,000 sf LB/YR REMAINING LOAD FROM SWIM , N '?I. \ _'/' --- 1-1 /I �' / 1 - _'; -11 �' -, � �' -, - -_�. �� � 1. ... I � - I . .. .. I 11�.­:"'�'. - I ' �' , . 1. � . : , , � , �.%::­. ��.. � , I . , �' I _ , / � ce ''I . . f ' IT .. I .. . '' -'­­._. �, . - _1I- %" � ��� - "'. , , �:..­,­' � F - j _ I - . I ,". . �..�.'�' - ­ / 27,718 sf FACILITY #2B (2.55 LB/YR), EXCEEDING :.1 .. 1. . ,-Y - " ___� , - _j / - �_'i` / ( 11 . ..� � �� I - .� F � .' �, " , I., �' ' . .'�.. / % - - " � . .:. I I I , ( 1 T I ) - - �� " � J I I _i, -, 7 \ 'I / I . ­ '. 1 --l.... 11 : I � ': , . / I / , I \Z� � _ I / I . I / I ; - if I I i .. � -T�� I -1, :11 ___ ­ - ,..' -�'.-'..:': I— i I I I �'�.':._�.�_'. '�' ' ' L_ --- ----- I---.-,-,-- _"_ '\-1-7 - ___ , __ , "I . � '2�� . : Ii i .1 � I I , �' . ,- 1 / PROPOSED DRAINAGE AREAS #3C AND I '�' - ' I I - \ �_' .' � I GREEK AT THIS SITE IS 134 ACRES- THE �1'1 �� . -'�� - � , � --- - � � \ I- � I � -/ , "\, 11 � ! / i'1/1 ", ____1 . I � I � ,'.� -'� . � / /I--- - ii � i �� /I I. , '_1 � , ... ""'; 1�:: - - // �'_ ,I I_ ____,7__-______r ------ __ � �_.__ I j ) - I z I- 1. - f " #4D ARE 0.64 ACRES AND 1 �08 ACRES, 11\ ' - / "I. �11 \ j - �� . i i "I", , >< ____ , _\ " I / / i "Mm _i I I _:�� '9' 1 \1 \�� / , _,� j I "I - __ ---- /f L i �-- -,,-- _'­"-­�� � '_7 - \�� � �-" ___ -_ �"' " , I �­_ - I -,-' I RESPECTIVELY, WHICH ARE LESS THAN �'\ \ I / � " -, I � ��'_'� � / __­___-_' I -/. OF THE TOTAL CONTRIBUTING \ �___.______`z7\I_' ' / /I 1, _'11 / i k, .[ - ", r ; "', \ I /' � - / I - ___.- // I .- , - / �':'� :' - - ". - 1� DRAINAGE AREA TO THE STREAM AT - � . 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I �_ .6 - 0 Scientific NameCommon Name Size Symbol 10 -YR Total - - -- _ CANOPY: Quanti t Canopy TREES Betula Nigra River Birch `!U-32' lit BN 397 8 3,176 Carya cordinformis Bitternut Hickory 2 1/211 resin. BH 250 6 1,500 ?GRADE j I! 640 632 { 136,568 Cephalanthus occidentalis Buttor:ibush. 200,136 CF 9 33 297 4,973: TOTAL r f TE&ION i PROFILE SCALES: V:1"=5' H:1"=50' [i�i0 645 0+50 1+00 ---PROPOSED 75' WIDE GRASS LINED EMERGENCY SPILLWAY CREST ELEV.=636.33'- SPILLWAY SIDE SLOPES SHALL. BE 4:1 OR FLATTER TO PROVIDE A SMOOTH VEHICULAR TRANSITION ALONG THE ACCESS ROAD & TO PROTECT THE GRASS LINED SPILLWAY. 01 - - -- - --- -------- .....-._..-- 1 PERFORMANCE OF THE POND. DURING THESE INSPECTIONS THE FOLLOWING TASKS SHALL BE PERFORMED BY THE 626 CONTRACTOR IN THE FIRST YEAR FOLLOWING INSTALLATION, AND THE OWNER THEREAFTER: E:XISTIN I. MEASURE SEDIMENT ACCUMULATION LEVELS IN THE FOREBAY. f 2. MONITOR THE GROWTH OF WETLANDS, TREES AND SHRUBS PLANTED. RECORD THE SPECIES AND THEIR APPR03KIMATE 640 COVERAGE, AND NOTE THE PRESENCE OF ANY INVASIVE PLANT SPECIES, AS APPLICABLE. ?GRADE j I! 640 632 { 136,568 5. INSPECT POND OUTFALL CHANNEL FOR EROSION, UNDERCUTTING, RIP -RAP DISPLACEMENT, WOODY GROWTH, IETC. ' �Ir € 200,136 6. INSPECT CONDITION OF PRINCIPAL SPILLWAY AND RISER FOR EVIDENCE OF SPALLING, JOINT FAILURE, LEAKAGE, - - -- -- -- - -- - ---- ----------------- -----------635 645 ! GRADE _ j � ( j F MANHOLES AND LOCKS CAN BE OPENED AND OPERATED. � 9. INSPECT INTERNAL AND EXTERNAL SIDE SLOPES OF THE POND FOR EVIDENCE OF SPARSE VEGETATIVE COVER, EROSION, ! � / / � 645 75' 635 ! j 635 CO TRACT R SHALT_ INSTALL { PROPOSD �J s / Amended Minimum Treatment Volume Required 1.5Tv (VRP 65,084 of Tv Requirerment Met j 1 GRAD 5 � Minimum Percentage of TvAllowed at MWSE 50 630 IN ACCORDANCE:j SHOWN f I Ponding Depth Corresponding to Minimum Tv Required 0.0 ft ! I I 630 co d ©r\ co r. C) q co ca co (0 1co 0 0+50 1+00 ---PROPOSED 75' WIDE GRASS LINED EMERGENCY SPILLWAY CREST ELEV.=636.33'- SPILLWAY SIDE SLOPES SHALL. BE 4:1 OR FLATTER TO PROVIDE A SMOOTH VEHICULAR TRANSITION ALONG THE ACCESS ROAD & TO PROTECT THE GRASS LINED SPILLWAY. 01 0+50 1+00 1+50 2+00 2+50 3+00 3+50 4+00 4+50 AMENDED SWM BASIN i.A LEVEL II WET POND MAINTENANCE: Volume (cf} MAINTENANCE OF THIS WET POND IS DRIVEN BY ANNUAL INSPECTIONS THAT EVALUATE THE CONDITION AND 1 PERFORMANCE OF THE POND. DURING THESE INSPECTIONS THE FOLLOWING TASKS SHALL BE PERFORMED BY THE 626 CONTRACTOR IN THE FIRST YEAR FOLLOWING INSTALLATION, AND THE OWNER THEREAFTER: 9 I. MEASURE SEDIMENT ACCUMULATION LEVELS IN THE FOREBAY. f 2. MONITOR THE GROWTH OF WETLANDS, TREES AND SHRUBS PLANTED. RECORD THE SPECIES AND THEIR APPR03KIMATE ' ;? COVERAGE, AND NOTE THE PRESENCE OF ANY INVASIVE PLANT SPECIES, AS APPLICABLE. ;T. j I! XISTING 632 { 136,568 5. INSPECT POND OUTFALL CHANNEL FOR EROSION, UNDERCUTTING, RIP -RAP DISPLACEMENT, WOODY GROWTH, IETC. ' �Ir € 200,136 6. INSPECT CONDITION OF PRINCIPAL SPILLWAY AND RISER FOR EVIDENCE OF SPALLING, JOINT FAILURE, LEAKAGE, to , 270,416 CORROSION OR OTHER FAILURES. 645 ! GRADE _ j � ( j F MANHOLES AND LOCKS CAN BE OPENED AND OPERATED. � 9. INSPECT INTERNAL AND EXTERNAL SIDE SLOPES OF THE POND FOR EVIDENCE OF SPARSE VEGETATIVE COVER, EROSION, ! � / / � 645 ABOVE. ! j Approved Treatment Volume, Tv (VRRM) 35,249 cf CO TRACT R SHALT_ INSTALL �•. DE SLOPES AT �) ELEV,636.3 j �J s / Amended Minimum Treatment Volume Required 1.5Tv (VRP 65,084 of Tv Requirerment Met j ,4 i l ! Minimum Percentage of TvAllowed at MWSE 50 EMEIANKMENT w/ THE DETAILS � IN ACCORDANCE:j SHOWN ON THE� Ponding Depth Corresponding to Minimum Tv Required 0.0 ft { Ln ------------------ - - - - -- ---------- -- . - --- - _ � -- - -- --- � - -- ------I --- - - -- - -- APPS VEDA - LA�13 ---- - --- --- i- - ----- ----- -- - --- - - 640} ;E1 f oWIDE OP 640 OF DA C7 f PROPOS � D PROPOSE 7S' WID I GRASS LIINED EM RGENCY SPILLW I Y I I ELEV.=6 8' � ! 1 i GRADE _ __ _ ' REST EL_ V =635 -SpiL�WAW SIOE_St VEHICU -PES SHALL BE 4:1- 1- R ---- j -- -_- ---- ---- ----- ----------- o 5 F ITER TO ROVIDE SMOOTH R TRANy ITION AL NG w _j o T E ACCESi ROAD & TO PROTECT THE G 1ASS LINED SPILLW Y. 635 i 2' WIDE qOREBAY FOP OF -'Cs O __j 635 AM ELE . =630'W/ FO so` WIDE EBAY € 2' WIDE ! WETLANDS TOP F >� H n PR POSED DOT ST . EW -1 j RIPRAP FINED PILLWAY CREST E EV.=629' DAME RiPR EV. =6301'W/ 20'WI P LINED 'SPILLWAY DE aa' WIDE, ! 12" DEEP'- �� ry' & VDOT RIPIAP ST OUTL+'ET .. EC -s CL PRC fi SS As CTiON --.___-.- -AN_IO D LCFj CRE T ELEV.762g' INT _-- (ROUATI BENCH { - - -- ----w/ L= EABBIS1UNDEB io' Wa=8" W2=3$' ` YMENT =z.4' I 0 ETENTION CELL I U) 6306 630' 30 63Q LU IWETLAN S CELL I - j L. } a.0 11 RCP B (INV IN=62 RRELAT c'- - �5 I 1 V OUT =6.00')r ---- -- -- M PROPO�ED 6' DE -- P ! fi - -- - cv 625 I FOREB! Y (FLOOR LEV�=62 00') ;." 625 { CELL. I I MAIN CEL! PROPOSE 048" C RISER S RUCT_ UR .111 RCP STANDPIP RISER RIM ELEV. w/TRASH RACK 635.33' V�I'TH ONE HALL SERVE AS T a) S�5" LC�W FLO E I ' HDPE P1RE TO BE NSTALLED TO ASSIST WITH OT�TFIOE i�i J7�R i . AT ELEV: X30. '; FIV - 0-ewTD ELZ75W �J TP10E5 -- -� - --- y D WATER, Fly - TR-ED7N�TFTE FCJT E PIPE -- _RT "' w I �t INVERTS tT ELEV. ELEV, T 34.00 & NE (1) 01. PREVEi T FLOTA MID -FLOW ORIF ION TH� RISER B CE w/ AN!INVERT SE AND BARREL RISER. O HAVE SCR � SCREW W CAP CAP LOCATED REMAIN INS CLOSE DE THE DURING # 62Q , 34.00. i 620 CONCRETE FOUN DATION THAT IS s 'xso', ANDi BURIED BELOW GROUND. CO t O t9 C) CSU « O O 07 CO co to co CA co to co C9 CNO t9 C(9 CO CO Co 0+50 1+00 1+50 2+00 2+50 3+00 3+50 4+00 4+50 AMENDED SWM BASIN i.A Maximum Percentage of Tv Allowed above MWSE / Percentage of TV Provided above MWSE ROPOS�D MIN. 10' WIDE OP OF4DAM ELEV.= 38' Minimum Forebay Volume Required (15% of Tv) Forebay Volume Provided Minimum Upper Wetland Shelf Area (10°lo of Pond Area) jUpper Wetland Shelf Provided STORMWATER MANAGEMENT FACILITY GRADING (AS SHOWN) ;«.:r... Elevatio n LEVEL II WET POND MAINTENANCE: Volume (cf} MAINTENANCE OF THIS WET POND IS DRIVEN BY ANNUAL INSPECTIONS THAT EVALUATE THE CONDITION AND 813 PERFORMANCE OF THE POND. DURING THESE INSPECTIONS THE FOLLOWING TASKS SHALL BE PERFORMED BY THE 626 CONTRACTOR IN THE FIRST YEAR FOLLOWING INSTALLATION, AND THE OWNER THEREAFTER: 9 I. MEASURE SEDIMENT ACCUMULATION LEVELS IN THE FOREBAY. ff 2. MONITOR THE GROWTH OF WETLANDS, TREES AND SHRUBS PLANTED. RECORD THE SPECIES AND THEIR APPR03KIMATE ' ;? COVERAGE, AND NOTE THE PRESENCE OF ANY INVASIVE PLANT SPECIES, AS APPLICABLE. ;T. 3. INSPECT THE CONDITION OF STORMWATER INLETS TO THE POND FOR MATERIAL DAMAGE, EROSION OR UNDERiCUTTING. 4,728 4. INSPECT THE BANKS OF UPSTREAM AND DOWNSTREAM CHANNELS FOR EVIDENCE OF SLOUGHING, ANIMAL BURROWS, 632 BOGGY AREAS, WOODY GROWTH, OR GULLY EROSION THAT MAY UNDERMINE EMBANKMENT INTEGRITY. 136,568 5. INSPECT POND OUTFALL CHANNEL FOR EROSION, UNDERCUTTING, RIP -RAP DISPLACEMENT, WOODY GROWTH, IETC. ' �Ir € 200,136 6. INSPECT CONDITION OF PRINCIPAL SPILLWAY AND RISER FOR EVIDENCE OF SPALLING, JOINT FAILURE, LEAKAGE, to , 270,416 CORROSION OR OTHER FAILURES. !;r 7. INSPECT CONDITION OF ALL TRASH RACKS OR FLASH BOARD RISERS FOR EVIDENCE OF CLOGGING, LEAKAGE, DEBRIS ACCUMULATION OR OTHER FAILURES. ,-i 8. INSPECT MAINTENANCE ACCESS TO ENSURE IT IS FREE OF WOODY VEGETATION, AND CHECK TO SEE WHETHER VALVES, 1 MANHOLES AND LOCKS CAN BE OPENED AND OPERATED. b 9. INSPECT INTERNAL AND EXTERNAL SIDE SLOPES OF THE POND FOR EVIDENCE OF SPARSE VEGETATIVE COVER, EROSION, ] y7 OR SLUMPING, AND MAKE NEEDED REPAIRS IMMEDIATELY. / / 10.PLEASE SEE THE TABLE TO THE RIGHT FOR ADDITIONAL MAINTENANCE MEASURES ABOVE AND BEYOND THOSE OUTLINED ABOVE. WET POND LEVEL II '1A' DESIGN & REQUIREMENTS: A. 75EARTHEN Approved Treatment Volume, Tv (VRRM) 35,249 cf , s Eta RGENCY a SPILLWAY WITH 4 Approved Treatment Volume Required 1.5Tv (VRRM) 52,874 cf �•. DE SLOPES AT �) ELEV,636.3 Amended Treatment Volume, Tv (VRRM) 43,389 cf �J s / Amended Minimum Treatment Volume Required 1.5Tv (VRP 65,084 of Tv Requirerment Met Treatment Volume Provided at MWSE 81 517 cf , ,4 Treatment Volume Required above MWSE 0 cf zs f Minimum Percentage of TvAllowed at MWSE 50 Percentage of Tv Provided at MWSE 100% Ponding Depth Corresponding to Minimum Tv Required 0.0 ft Maximum Ponding Depth allowed for Minimum Tv 4 ft Maximum Percentage of Tv Allowed above MWSE / Percentage of TV Provided above MWSE ROPOS�D MIN. 10' WIDE OP OF4DAM ELEV.= 38' Minimum Forebay Volume Required (15% of Tv) Forebay Volume Provided Minimum Upper Wetland Shelf Area (10°lo of Pond Area) jUpper Wetland Shelf Provided STORMWATER MANAGEMENT FACILITY GRADING (AS SHOWN) ;«.:r... Elevatio n Area of Forebay Cell Contours Volume (cf} 624 813 0 626 1,779 2,530 628 3,088 7,337 629 3,869 10,808 630 4,728 15,099 632 29,873 136,568 634 33,734 200,136 636 36,565 270,416 638 1 39,355 1 346,319 qeG Oiierty 0r ar m stcrrrst R�iitrnEe �bt3s �n�TL�Ja�es {�.� ctt.oTrairElj * Repair Lint, etet,, ara%J:tre s Irlrea • MaWrg Twice,a, year * 8i►crreiiru� ciea�ratp ts� fed: �, di=m a * A au ece Irtstic firiral% o rt 4ptholi& 3 �3. G d8rttast-be ilalvas * .fair broken rnechanicai componwtk 4 needi d Or36 tin -6 - tking the * �! d �1atic ch. r0of", meat powngs seccirEt f1 i 6'rAtig r rsircicitt ti * F4eba . timent:Renici,4 Every 5.6 7 ybars, • air tl�e r rand spiiiwau,;as, rzed EfonY 5 to 25 y s ✓ 50 % Notes: 0% 1 A min. fore bay volume depth of 4' with an aquatic bench 4' wide, 2' deep provided. 2 A minimum fore bay volume of 15% of the total Tv has been provided. 9,763 cf Wet ED andl Multi Cell Design ✓ 3 A 10' wide aquatic bench at 12" in depth has been provided. 15,099 cf 4 Interior grades of 3:1 above and below the MWSE have been provided. 2,524 sf 5 The minimum treatment volume required has been provided. 3,341 sf Wetlands >, 10% of Pond Area ✓ Elevation (ft) Area of Wetland Cell Contours (sf) Volume (cf) 624 6,090 0 626 8,675 14,689 628 11,534 34,830 629 2,583 0 630 3,341 2,954 632 29,873 136,568 634 33,734 200,136 636 36,565 270,416 638 1 39,355 1 346,319 Elevatio n Area of Main Cell Contours (sf) Volume (cf) 624 6,090 0 626 8,675 14,689 628 11,534 34,830 629 13,058 47,118 630 17,174 62,187 632 29,873 136,568 634 33,734 200,136 636 36,565 270,416 638 1 39,355 1 346,319 Elevation (ft) Total Basin Contours (sf) Volume (Cf) 624 6,903 0 626 10,454 17,235 628 14,622 42,194 629 19,510 59,202 630 25,243 81,517 632 29,873 136,568 634 33,734 200,136 636 36,565 270,416 638 1 39,355 1 346,319 T 0 SCOTT R. CO],LINS�Z U No. 35791 "Ll sxoNjav E�`��� WT --; w 0 a_ t�i1 JOB NO. 112066 SCALE AS SHOWN SHEET NO, 6 h �-r ,-i M M Ln d ;E1 �r Z C7 Z U U © 2 o 5 Uj Ln 0 _j o c� -'Cs O __j 0 H n ® LU UjCLL Uj LU CL 0 U) LU d d` M o :4:� cv WT --; w 0 a_ t�i1 JOB NO. 112066 SCALE AS SHOWN SHEET NO, 6 LEGEND LEGEND LIMITS OF LAND DISTURBA NICE SILT FENCE PER VESCH 3.05 4 DIVERSION DIKE SUPER SILT FENCE PER VESCH 3. 05 BOUND ARY LINE j/ `` ! t 1 \ '�/ , .. :.-. - SILT FENCEDD TREE PROTECTION SEDIMENT TRAP PER VESCH 3.16 SF DIRECTION OF FLOW I 011Ix, DIVERSION DIKE PER VESCH 3.09 F1 —653,75— PROPOSED CONTOUR CE CONSTRUCTION ENTRANCE PER VESCH 3.02 DRAINAGE DIVIDE TREE PROTECTION & PRESERVATION PER -4- 675VESCH 3.38 INLET PROTECTION OP OUTLET PROTECTION PER VESCH 3.18 CULVERT INLET PROTECTION PER VESCH - --- --- - --- --- SOILS LINE 3.08 ROCK CHECK DAMS PER VESCH 3.20 - - ---- - --- .... . . ..... . .. . .. . ........ . MATTING VESCH 3.36 - -------------- ------ ------ - SOIL STABILIZATION 7 ------------ - ------ ------- (DS�Okb POSE D SILT FENCE (TYP.) ----- - - ------- -- ------------- Tc-16.5I ----- - ------------ 7 ---------- min. Tc=1 3.2 min. (100 OI OVERLAND FLOW AT 2%N F Tc=3.3 min. (7560F CHANNEL FLOW AT 6% /T p OF M 1 0 M P RA # E -T LJ ' f � --\ 1 \ � _ y,. - \ -- _ _ --., 1, 6.28ac. _YP.)-, mn'. PO BUFFER (T 0.45: t, �," [�� 1 Cwt 1 C6 F OVERLAND FLOW AT 2% c=13.2 min. (100' (755 ' Tc= 1 6.5'-;m, in. (755OF HANNEL FLOW AT 6%) CD --Tc=3 min. '_ T --- ------- E3 i,,B "I 8 E HILLTOP S�R _7 CQNSTRUCT[ON TRAFFI r NOT TO BE USED FO 7B N�E Xls�lNbTREELI' PROPOSED BERM - - RA R k0POSb DIVERSION CONT T 0 ENSURE -CONTRACTOR SHALL ENSURr PROPOSED E _�EE ZE TP� -POSITIVE SLOPE MAINTAINED PROTECTIOI/ d OSITIVE DRAINAGE ALONG--, SE SAFETY FENCE PROPOSED 18" BERM PROVIDED, BER SHALL BE STABILIZED AS A FENCE (TYP. IVERSION BERM (TYP.) NSTALL SIGNS "WARNING PROPO PROPOSED SILT(1D",;1 QUICKSAND, KEEP OUT" V'DIVER81ON BERM FIRST STEP IN DISTURBANCE 4 StD Dq -FENCE (TYP.) PR j6�tD D _-PROPOSED IVERsibN BERM R ERCONTRACTOR SHALL ENSURE PROPOSED 24" RCp 5§3-37`00T 2 2,43- RIM=656.00 -POSITIVE SLOPE MAINTAINED, CEI 18" BERM PROVIDED, BERM INSTALL SIGNS "WAR, _1 J - , __ - 'i k0p DSLD VDOT STD. EW -1 PROPOSED SAFETY FEN SHALL BE STABILIZED AS A 'PH) VDOT STD, EC -1 CLASS Al QUICK SAND, KEEP OUT" PROPOSED 18" RCP B IPRAP OUTLET PROTECTION S=0.50% WIGEOFABRIC UNDERLAYMENTX L=10';W1=8';W2=18';D= 4 I SEDIMENT BASIN 1 P 0- FIRST STEP IN DISTURBANCE -SEa E[P(W 'VI -AFTER THE INSTALLATION OF NV IN= 653.60 .-1-3.1-6 ad'.� min. T6=24`2�� Tc- min. (100'OF OVERLAND FLOWAT 1%) 1.4 INV OUT=- 653.33 DUD -94 cw,=. -5 OP Tc -6.8 min. 838 OF CHANNEL FLOW AT 3%) STONE OUT FALL I Tc EXISTING TREELINE" ----- -- - '-1BASIN 6'Wx5'Lx2'D (TYP. PROPOSED, --(TYP.) 7B SB,3 DC ST NE OUTFALL RO BARREL C3 FjOSEDN' RCP111 B�SIN 6'Wx5'Lx2'D (TYP =144'; S=1.00% r. SURROUNDED BY, NV IN 625.44 STOCKPILt: -67 TS $IL FENCE T op ♦ INV OUT=624.OQ 41 r. �7c_3, SB2 5G BAN__dE X INC MANAGED LIMITS OF DISTUR E I =30.05 Ap 6C L STEEP SLOPE 8 EARTHEN EMERGENCY CP III RIbER1 SPILLWAY AT ELEV. 657.0o PROPOSED 48 R STOO RIM- 635.31 ASIN 6'Wx5'Lx2'D (T` 'TFALL it U _(6 (91PRO/POSED BLANKET A I-MATTIN( > E PROPOSED SAFETY FENCE' INSTALL SIGNE WARNRTHEN EM 'RGENCY PROPOSED SPILLWAY AT ELEV. 1336.�33 OUT > QUICK SAND, KEEP STAGING AREA LOCATION 6F TY i`ME GENCY FUELI A.p .35tARHEN SPILLWA AT ELEV. 65Q.2,5 TAPS -ATfON&� FENCE (TYP UM OP .)PROPOSED SILT SF OSE7 qNCRET 50 J�K ROP/ OUTFA N 0 WASHbu*i PROPOSED 30" RdP'BA"R'REL TO4 EXISTING TREELIN "PR I OPbsED DIVERSION RASE 1 BASIN 6'Wx5' 'D (TYP.K.-- r 1 ---76' S=O 75%,\INV IN=643.07, INV OUT=642_5 N BERM ISfING SO EX E ILS IROPOSED VDOT STIP, 1 CIL DD LINE (TYP.) CONTRACTOR SHALL ENSURE 0 EC- -tN 2 S INSTAI-CP46150 18" RIPRAP OUTLET PROT TI POSITIVE SLOPE MAINTAINED,,;� RSION BERM / \ /(DD)ALONG,EXISTING DAM W/GEOFABRIC UNDERL ENI 18" BERM PROVIDED, BERM IVE (L=40'; W=6'; D=2',S=1.25% 'SHALL BE STABILIZED AS A ac. 'FIRST STEP IN DISTURBANCE yl - I) 45 OP O"r-FT 11 FOR Cw=O(. FOOTHILL CROSSING I\ =�4.2`,mi c. QUTFALL,DES!GN FOOTHILL CROSSING I Tc n . PROPOSED SILT OMPLETE1- BOUNDARY LINENI�SHALL BE PROPOSED 6 STANDIP 4'FUE`6t,�G TA IPE -FENCE (TYP.) RIM=649.00 9F i, tSURROUNDED BY A 2'DtEP,,2'WIb`E,,EARTHEN\� BERM WITHAHEAW MIL POLY&HYLENt LINING. "THE PROP -EXISTING-DEPRESSION- OSEQBERM SHALL CONfAIN FUELIN -ASPILL. T EVENT OF F' -IS -ER 7r �NSUR8,,BEk4V0LUME , 10% LARGER --HAN FIE_ CONTRACTdR-SHALL • 7B \ - THE TO BE FILLED AFTER MAXWUM-Vay��? /PROPOSED SILT F STOREbTuEL. FENCE (TYP.) THE INSTALLATION OF. SEDIMENT BASIN 2__ &50 SF rF TRAP #2 66- 4r- 2.94 GRAPHIC K A IZ, so 160 320, L 1z 0 F-] F MITS OF DISTURBANCE illch- __4 PROPOSED PAVED CONS CTI N,� d. =4009 ac. -:-,,ENTRANCE (12'x70'MIN.) PROPOSED SILT I(SF ;FENCE (TYP.) l' , \ ,' !' /! _\�._ __ ,/ / J/ r /f /, \\ f -3-7 3 o SCOTT R. COLLINSZ 0 u No. 35791 1b L, C) d. Ln JOB NO. 112066 SCALE 1"=80' SHEET NO 9 C) Lu < F_ < U) z < CL (D Lu z' U (A rn :D 0 U-1 V) U << O F- 0 w 0 -, v) E� LLJ > > >UJ U01 UJI CL 0 UJ a - V) ce z 0 ui ty L, C) d. Ln JOB NO. 112066 SCALE 1"=80' SHEET NO 9 LEGEND ILEGEND Ir ��,T H n LIMITS OF LAND DISTURBANCE SILT FENCE PER VESCH 3.05 4 4-- DIVERSION DIKE SUPER SILT FENCE PER VESCH 3.05 IBOUNDARYLINE S TREE PROTECTION SILT FENCE DIVERSION DIKE PER VESCH 3.09 SEDIMENT TRAP PER VESCH 3.16 No. 35791 SCOTT COLLIN DIRECTION OF FLOW 653.75— PROPOSED CONTOUR CONSTRUMON ENTRANCE PER VESCH 3.02 IDRAINAGE DIVIDE IONAL TREE PROTEMON & PRESERVATION PER - -----------_---------- VESCH 3,38 675 INLET PROTECTION OUTLET PROTEC77ON PER VESCH 3,18 CULVERT INLET PROTEMON PER VESCH SOILS LINE 3,08 ROCK CHECK DAMS PER VESCH 3.20 CD ---- ------ ---------- - - ......... ............. . ------- SOIL STABILIZA77ON MAMNG VESCH 3.36 ------ --- - --- ---- - --- -- --- ------------- - --- - ---- ------- ----- --- ---- '_E)_PROPO8ED SILT�-_- - ------- SF _FENCE (TY - ------- -------- - --------- _-_ -- - - - -- - ------- - ----- --- f- ---- - ----- Tc=13.8 min. T c=1 3.2 min. (1 00'OF OVERLAND FLOW AT 2%) Ity) --------- -- --- --- - -4c=0.6 min. (1 1TOF CHANNEL FLOW AT 2.6%) Ip s ?W47W 72 - -------------------- F- < < Lu ----------- 0 Ps IF U IElf u U) 0 5 uj _j U V) �F/ I z, I I W DC T P 0 F— < I0 Lu I_—z c� Lu I> LL TOP uj w Z:) IrL k ui > LU 0 f I I/ -EXISTING IDRIVEWAY > -i SE I L L_ 01 STREET I INOT TO BE USED FORH FXI8TI'NG'1 0 IM BUFFER,' STREA L___J CONSTRUCTION TRA�Flq -EXISTING STRUCTURE Ll i 947 ab,. I T r.) - -------- - - --------- Ips IPROPOSED TREE I Ulf PROTI OP FETY FENCE R FENCE (TYP,)) -------------- -- IIINSTALL SIGNS "WARNING QUICK SAND, KEEP OUT" PROP6S` C --f CN -FFN E(TYP 1p I Ps Ln I0 _Ip_ I.... l A BUFFER PROPOS�D VDO I S I D� STING NVDOT STD. EC -1 CLASS Al STREAM IPRAP OUTLET PROTECTION W/GEOFABRIC UNDERLAYMEN T\� L=1 P OPOSE0 DIVER�I I ERM- W�!=8'�;,W2=18'; D=1A' DC CONTRACTOR SHALL E 3URE t -POSITIVE SLOPE MAIN INED cy) 77 0� cy) 18" BERM PROVIDED BERM 99MOM STONE OUT'FALL INTO ,SHALL BE STABILIZ AS A -- - M BASIN 6'Wx5'Lx2'D (TYP. FIRST STEP IN DIS, U NCE c1q PROPOSED 24"'RCPAII BARREL S L=144'; S=1.00% cy) Lij BY, U INV IN= 625.44 -$iLT,FENCE T 'U OCKPILE INV OUT=624.00 u) c:) Ix CN B2 ui /LIMITS OF DISTURBANCE' (N II=30.05 Aq.� 2,_4 _1'E' 4 4, S89`511 I> 04'� 2.1- E 4 R C' III RISER-, PROp6s "D �8 - ----- STON OUTFALL It IRIM=635.3� Lj ASIN 6'Wx5'Lx2'D (TP.)., I'p I7 PROPOSED SAFETY F�NdE I> ISIGNS "WAF INSTALL 7 EARTHEN EMERGENCY IPROPOSED _1,,1LLWAYATELEV.!336.33 _�AND, KEEP OUT" kGIN(?.AREA IQUICK I -LOCATION OF E,, I'l kS PROPOSED SILT FHA 0 AREA �35' EARI HEN GENCY SF FUEL ILOCATION& TYP.) D BASIN ---2-- L9 0 '�SPII LWAY AT ELEV. 650.2'5 FENCE DU PSY-ER c� -ac. SIL��,` 16.5 1 �Sp, FENCE (TYPJ�' ...... .. QNCRE­Tt fO_UT, P NAS/ 'STONE OUTFA 0 Iw=0.70 AREA/' S=0.75%, INV (N=643.07, INV OUT= PROPOSEb-30" RdP'B/A 1 3.8 m ill. BAI IN 6-'-WX5' PROPOSED DIVERSION BERM UJ ---'UCONTRACTOR SHALL ENSURE 15RbPOSED VDOT STD. ECA CLASS Al RIPRAP OUTLET PROTECTION POSITIVE SLOPE MAINTAINED, Iui 8 W/GEOFABRIC UNDERLAYMENT BERM PROVIDED, BERM R D t StD� E -I'CLASS I SHALL BE STABILIZED AS A 7 (L=40'; W=6'; D=2', Sz:1.25% % IPRAP OUTLET PROTECTION 2! FIRST STEP IN DISTURBANCE i I / .1 I , / / I uJ SEE W/GEOFABRIC UNDERLAYMENT r4 U) ISHEET I I FOR_, ff Aft OUTFALL, DESIGN L=22'; WI=9; W2=15'; D=2.5' 7\114,�F 30,77'j 0��00-0�-00-05700 Ip ps DAILY/, EDMUND J uj U) 06 PROPOSED S D �6' 9 ILT \THEIFUEbN\G TANk\SHALL BECMPLETEL uj I & CF#USTOPHR DAILY 20.4 IWIDtEARTHEN", 7 D BY A 2'DEEP, 2 -FENCE (TYP.) 0 z & CYNTHIA DAILY DICANIO 'BERM W\JTH'A,.HEAV-� M,I'L POLYETHYLENE` LININ.G. THE PROPOSED BERM SHALL CONTAIN FUEL IN-- 26.875 ACRE$,, D.B. 22! 8, PG. 616 EXISTING 100' T I I THE EVENT OF'A SPILL. CONTRACTOI��SHALL 7STREAM BUFFER -6 RESIDENTIAW U) ZON ING: R74IR E I IRMNOLUM�E S 1 0% LAR6ER JHAN THI� IMAKIMUM VdLUME-9F STOREb FUEL-. POSED SILT U) EX IIS�INb SAM /�_'FENCE (TYP.) SEWER & EASEMENT� f0 ry Iry us Ip EXISTING LL] _y ISTREAM I"a G A��, FOOTHILL CROSSIN /I (D ISEDIM�:N C:> "��VELOPMENT TRA15 #2 kr-"ASES 11 & III SHOWN)' CD IDA=2.94jae. GRAPHIC S C AtE" N 13�0 60 IU. 0 40 80 I I1 inch ft. IIIU-1 ICD Lu IL r II30B NO. SCOTT - CO -C-) No 357� L N U SCALE PROPOSED PAVED C STR kr'ION 112066 1_11 �ITS 0 DISTURZBANC E =4�0.39 �c. z I SF PROPOSED 8ILT (I 2'x7O' M I N.) 1 80' 'FENCE (TYP.) SHEET NO. II1 0 I __ - __ - - __ - \ _­ - __ --- - II . I I I I t . � I ; � ; - I . � � - - _ __ ____ __ I_�, I i � : � � � � � __________ I � __ - __ .11 / ! � . -- t - _ - " - I I- � - i i � r ; � � � : �, - __ __ i ­__ � ; Sediment Trap 2 design � I I � t ! i - - - I_ -, _,_ ---�, ­ - _ - __ �, ­ `�� __ __ 'I-- - -, ------ . / Sediment Trap I design i I i � � � I � : � � �: I- - - � - -11 ­­­­ ....... 111.1 --1-_----- ... ­ --- ­­ _­_ ___ - I.. -1- I- � I - -1111-1 ­­ ..... .. 1.1- j ... � ----- _. I -1_11.1. I ­ . -1 ­ I � ­­ 111­1­�­... 11 I I �. _­ ­­ I 11.1. ­. LEGEND LEGEND ,- -1 , - - _ ,- � , - I- - i � . ! — - - ` __ -, - - - -,-,-,, - , ��� , , � : � � ___ - _- _- _, ,-- .- _­ __ _1 � � � � I TH __ - -- \ I -1 _ K t I I - _ __ - - - - � - -- - � � i � � __ .1', _ - - �, , I - \ _ __ i - — � 11 I—- ­­ - I_—, ' ­­ _­ - __ ___ - - ­ " -, _­ , - -,- * ­-, ­­ -, ­ , . ­­­. - � I t 11-1 I � 1 04 , " -, ; i _yAAWaLe I - — - _� ,_ I_ __ - � � ; i I ".1 Y-ADL47 I drainage area (acres) (<3) , 2.94 - - � 1, - - - 3 ' SILT FENCE PER VESCH 3.05 ,� -1 _. i I � I I --[_-1-1 1- -I ­ � / I - 11- - ­ � ­ � -11.1"......-I -­ � 1-.1__.-_- ... __ _ ......... I -1 11 "I'll, "I'll I "I 1111- 1- I . . ...... -11111-1 11­11� , , , _.__,___....____ __. """ 1111-1111111- I __ -1 - __ - - ___ - _ _, - ,_ -, / , I - � I_------ i drainage...,a-rea,(.a,c,.r,o,s-)".(,<,3,),,,,,.-. , r__1___ I -_-_11- I . I LIMITS OF LAND DISTURBANCE .1 ._ __ � __ .... 1- ... ­ ... ___ - -1 ­ � 11 ­ � 1, _ � __ I I f i I I & � . t F STONE WEIR "I � - - -1 - trap volumes:� ­­­. I trap.y9!urrie-s,J � oR4#VtL ­ 11-1 __._ 14 DIVERSION DIKE - __ ­ -, - / / I - - �, I'- � 1 1 . t STONE WEIR � CREST 0 - , L . I � -,-,-, , (,'REST Or I t I - - _111-_1 ...... __ ___ ...... �i --- - ... -1. _1ii__­­.M ,� ... ­­ . ­ I --- -.11 --- ..... ....... ­­ ---.1-1- 0100L .,-.-- ___._ ___ ___ I ----- - --- ____ - - - ___, ____ - - - __ __ ____ - - - __ 4 4 1 ___ - ,.- ______ - - _ I ,­ I "I. -- I ___ - I I : I area � volume(cy), GROUND . Mz ; � Gnus�p - , SUPER SILT FENCE PER VESCH 3.05 �_P_ � I , : t ; e / , ��--_ -- _ ..... I ... ­ I I - I � _­ .... ­­­ . --11111111,- - 11.1 -1._1%-1-..- I I t CUM - .1 ---.1-1-1. _-z . � ­­­ ­­­ ­� ­ -11" , , -_ 1- 1. EUEV. -1. � � -1 levation (ffij area C� : I IAr I � ­­ ­.. - T� -1. I I Lly I �- 4 � " I., � � I � i t � I ; t I ­� - - - Z ��_ _­----� i I I P _66� - ' 2514�W � 649�OO� ... _ .,(sf)j ,,.,yqlur*qy), . � , - _j , �� --_­� __ / � - I I- I ; eleva ton t ",_� � _ ",� ----- ­___ N:MI A � 5" X N T�'1.110e,� T, A M � ________, __ __ ! �� i _� , F_ " I ,- __ " Z / / \ .- __ - _ � ,-- I � 66 _, BOUNDARYLINE _� - i - ­ -_ - I / / \ z , i I � i i 1. 11 � 11 - 11- 11 ___; 648, 0.0: - I 1- - __ � - � 2410.0� 0.0 @ V --A I - , i ,I - - - -, d- -, - I " � I ­ ­ -1- 1-1-111_11 �­_;_ ... _ " . -.1-11-I.-I.-I ... ____ ­__ I-- . 11 ­ 1-1 I � .11.11. 1- - ... ­­­ !_ - - ____ - 7 - - - - _____ - - ___� ...... __ I ___ - -, - - __ -1 - 1-1 I I SILT FENCE ,`­` , I L� __j I, _ , 't, ,� � � ; I . DIVERSION DIKE PER VESCH 3.09 SCOTT R. COTUNS'7 I �' - __ , ,_ � , ---It i i � f (9 -I - , " I t 1 660. 00 � 3313ff� 215.1�� : i I - - I I I DRY STORAGE Y-AMAPLE CD �� � ,-, I - - , , /�1�1, \ I _� I ; � � DAY $TORAGE t V'WiAbLE ! 650.00� 2922.0� 98.6 i�,> ____ - I � / - " ; i I � � I I'll : 1. 1. �'. ­ � I � I I � � � � I I I t� _­ -1-1 I ... ­­ --- ­_.­­____­_­­_­ I I - - - � � � I TREE PROTECTION / � I - � � /� V\ \ 1-1 I I � ; � i � ! -, - ---�--- --­-----­_­_t� - --- ----- - ­- - - -------------- � _­­­­ I.& & �.,A 6,w ------ SEDIMENT TRAP PER VESCH 3.16 U No. 35791 ,ILI i ; � I � T i -_ : 1 652.00; 421 1.0� 493. 1'! � I : 4021�01 354.7 , I I t � 652. 00 � i ! i � / , / , k I ,\ - - t � I ! ­ o -_ q I j �. - --- , , 0 , �i, i ,", i - , � -1 - ! - t ­ 1.11, . I—- i 11 ­­ I I I I � - I I— ­ .1 I I 1�­ -_ � � I ! I I � I DIRECTION OF FLOW \ , � � - " / � ,\ 1'\ - _ �� _­ i � ! I I ; ; 654.001 5221.01. 1*0 i ___ ,_ ! I j � � : 16 i ; � : � : -It - . It \ i i I- i - -1-11- I - ­­_ ... - -1-1-1- 696.0 k '� � t / / __ - : t I __ � __ ... _ � . . ....... _�________.__'__ , , , - � ___, ... __ ____ _ �_ , - \ \ \ ... .... _ - � --- ­­ . ........ ....... t, --- � ... -11-11 ------ _ ---- I ---- ,.-: .... I --- ­­­ ........... ­ ­­­ 111. 1-11 - I.., _11-1, —653.75— PROPOSED CONTOUR CONSTRUCTION ENTRANCE PER VESCH 3.02 6' 1 i 11 ; I, \, i -, -_ - _1 I -- - i i ; j 4v W� � i WETSTORNGE V W \ @ � I i . -, ! � I ( ; I -_ 1� ; � � ; I t � 1 f . \ � � � I - � 1.11-11-11 I'll, --.-I..", I I I I I I I I � ­ (MAWITI) �, !. � :7 :. - / 1 � ,- � 1 ,/ '___-, -11-1.11-1-- _­­ � -I I 1-1- t .11,11, I I 11 �, : � - i -, . :: i � �� i " -,_ � i I _­ I I . I 1. I / � � I- I -_ --- - -------- I-, ­ 1 - I ­­ 1. fm MOIN ORC-11M - - -_ : F&TrR c.t.oIrR ORWINAL ­ M��J� 111:1111��§ �M DRAINAGE DIVIDE I I I � I 11 i �. t -1___ __ ___ ­ -1 � � GROUND ; i t GF0M a I I , ,� - - 1� -- t � � � � 'to _',��" I - j I / / [71 � I I ,-- - - __ I - _ I I - � i � -.1-1-1.- ...... I .... ­;, ....... I.I.-I ............... I .... ­.! ­ I ­­­ � I I ELM I 1_ TREE PROTECTION & PRESERVATION PER XAL L, \ I , � I i - I - ! ELEV. ­­­ 1. - ­­ ... I ... I ... � ... � .......... � .... ; ... � ..... ! / I " \ i I E �� - __ "I ­ - _-T I � � ! i & I- _-1--l- 11-1-11 ­­ ---.1.1 ........ � - Z-_---- I ...... �1.11-11 ... ...... ..... .. 1. __ 675 � — � - I _� _�- -- ;��6� � -11- ­! -- - - � ; I - ; , - , � / . '� , t, - j - - I _., - � 1-1 , storac t � � Wet storage, ; ; I VESCH 3.38 L, � / �,, �'�,,�� '�'�, I " - , - 1� , / / � I . " � i - , 1- - _- ,, - ge: � � � \ r ___-_-1-1--- ­­­­_ --1-1-1_1 1-11 -_1-11.- ___­ ­ ............ � _ ----- _-_ ______________ � _\ \ � ____ - , I --.I---.--- - ---1---- ----- ­_­­ .... ­­­­­ 1.1.1--l- ..... . . " � ---- __.____,_111-_- .-1___1---_-. I., - I.EE P,ATE I, I 3 - t "ARSE A00ACOATt C;L1,5s I R4PRAP .­ ... I.. - I -SM PLATE ,3.13-1, cOAA*E N��IQAM" QLASSIRFRAP - , ,,�,,,K64>! OUTLET PROTECTION PER VESCH 3.18 - � � ­ j ; I I . C tF- I j . - � I -1 - I - ­­ I I ­ , I I I _1_11 ­­­­ ­ ­__ ............ ­ --- ----- ­­ ....... . � ...... � .. ...... ­­ _ ­ - I I—- ­ -.1--l-.. ­_­­­ -------- - 111-1-11-1 -.1- 11-1- I - - - I , - __ __­ I_ _. _ - ­ // __.. ­ __ __ ___ _ - - ,__­ __ F__1__ �,., � __ .-,-, t I- - -1-11 � -- wet storage required (cy) (67*DA) � 201,0� met storage requ red (cyy (67*PA)_ _ _ i 197.0 ; I 61 ,I j T�___ '_ �_ I �, -,- r-_--,] I A __ 11 - / // ___ \ � \ k \ , � - ­� " I - [_ bottom of stone weir (ft) � 650�O;� 1 bottom of stone weir (ft) 651.0 ffl,� INLET PROTECTION 0 CULVERT INLET PROTEC77ON PER VESCH \ \ \ - -_ , ___j � � � I I I - I t I _-, j ; e � I . j � ! � � � / \ \ E ____ � __ I", I , ,� i � 1. I- -1 11 _. ­ -.1 --- .1�1_1­1_1_1­ .... I ..... I—, .... ---'I" - -- -1-1_11 t 1, � I ; � : � L k _. , I -_-_1 ­­ ­ ­.; ..... ­.­ - - 1.11---- .......... ­_­�­­ ... _____ ­'­ ..... ­­_­ _­­­­. - , ­ , � i i � I : I I t ? 11 - -1 - __ _ __ - --.,- . � -.- - I ided at this elevation (cy)l 215. 1; � : �­ I � I � � �, " rage provi . ; I t � � � \Afet storage provided atthis elevation (cy) 2263 � � � � i � : / I - __ .,______._______,_ - __ k.- " - - __ ­ __ w4-st6 .... . . .. ... __ ­_ , "' , " _­ ­ - � � i I SOILS LINE 3.08 0 � \ [ A-- - -] -, -_ - 1_ _ , i - - __­___ i , I i � : ; @ I __ - _ / I _F �,� I—. __ ----.--1___-_-__ � _ __� --- � ..... __ . ..... __ � ____ ... ... ___ .... ______.._ � __ ...... _ -,J_ ...... _ - ..... ... ___ ..... _ ...... � ... ... 1_�- -1 I _ I_ _ - __ � I - I_- - I - � _ ­____ --- ­ , , , ,--,- ­ , __ , - __ - -, : I / _�___�,T__ , - ------ ---- --- - - -- - ­, , , ­ " � � - -11- I ­- I ­ ­ - - - _­ - ­ I I - - � __ ­ __ - - 11 _1 I � ­­­­ �- _11,11 ­ I'll ­ - - I � - 111-- :� I e I i . i � ; � ; i \ -1, �', - -11 ---- orage sides ; I ; I � � I : I ROCK CHECK DAMS PER VESCH 3.20 -_ � I , � --- / , - - - . - 2:1 � , I slope of vvet stor�aqe� sides 2:1 : : : / i - -1 � __ U_ - slope of wet st � � � 3 ; � ; - - - I - _ --,-- __._ __ ........... � - " ____ ... ____ ___,_____­­ � I -1.1-11 --'.11- 1-11-111-11 I -1 ­-, _11-1-1--11:1-1 -'111 .. ..... .. .. ........ ­­­­_­­, 11 ­­­­­ 11-_- _­_­­­.­­­_­ 1--,_----1 .1 I ....... I .... ­­­ ...... -1 ......... ­­ I ..... -1111--.1-1 ............. _-11.111.1 ....... I ... !­., ... 1I.- ­­ ... � ... ... . I- 11, � .......... 1..--1.-: ...... ___ ---.1-I.- ... 11-11-­.111.1.1.­�11 " ' ' ._ .... ; ... __ ............... � ...... � .............. _ ............ I ............ --_____...1.-1..- / \ � I I , I . S ---------! - ­­_­ ��__L__ ---- � _ - ---- ____±_�,_ I I I i 5 ; i - --------------- 4- __ � � � 4 c �- -------.-..----,-----�--��---:-��l�-:?�7--:�=�-.-.--.---� --*,-,--,-.--.-----�"��------,--,^,- ,�,_L - ------ - ____ ___��__ � I � weir length (ft) (6x DA) 1 18-0� �v�eir length _�_ --I----- - ___ , . ,I '_1 - - � " __ , - - , ; i � DA � I 17.6 SOIL STABILIZATION MATTING VESCH 3.36 ( -,----- ��z�=_�­__� - - .......... I __= ..... � .. ........... - - .. ..... .. � ... ___-1. - .1 _ I ___ ..... _ .... ____:%� ----- _______ ._'...1..1 ... ­­_ � .... _ � - ­ -11 � - ­­ -, -11 1. I I ­ ...... .. � � ­ ...... ­ - I 11 � I I ­­ ,--,-,- ­ __ � - --- ­­ ----- -- - ­ ___ "I'll- - -1 - ___ _ - 11 _________ ---------- ------------- ----.----------- - - - - --- ----- - ---------------------------- - _­­_ __-z � 1-111-11 _4____ , ____­_­­­­_ -11-1 ---- .­,_'... 1-11 11111_1-1 --- 1­1�__ --­­.­. _­­ _________ __`N� 7� I �ll.�.11�..."�.11�,�'��.�'''�,�- ­­ - _______ -_ ­­ - -_ -_ - - - ­ - -_ � _._ fftj,_(6x I I � I -- ----- ­ I i I I : I : � \ - __ - __ __ . - ­ ,, 1, -- - dry storage: ; i t bottom of trap elevation (ft) � � dry storage: t 1 bottom of trap elevation ; ; 649. 1 1-1 ­ ­ - - __ � 648� f � � I i , I � - , ./ _­­ I 1_----._-_-- 1,_-----. ���..--,,���-�1-1.11,�,�,��-,��,�.,� --- --1 ...- 11--11- I—- --11 .... -1-1.1 .... 1- ... ­­­­ � ., _ - - - _ ;­ 1. I 1-11 � ___ , , ­­ ___ � 11 \ -,-.--- - 7:7- - - I I I �_ 11 I_, � - (9 I ( ___.- - .... 1-1-11- 'I��-111,111-111-�-1.�.11-���,�I -1----11-. 1- -11.1-1 111-.11- :...- ... �bfl � -1111, .111-1 ­ I I'll, ­ ,(ft), __ � , � ... _ ­ I, 1-111-1 I ­ ­­ __ __ ___ _ - / - - - __ - . V-- I ­­ I 1. it ___ __ \ ___ , � � t ! ; I'-- '� � . I I � , . I � dry storage required (cy) (67"DA) � _0�; � bottom trap dimensions: 2 1 49'X52'� dry storage required (cy) (67*DA) 197.0� � bottom trap dimensions: � 25'xi IT � \ - I-- - - � I 1 5 i � : \ =- _�!_-��_Lz_____ ---1__-1__ -------- - --- ------ �,­_­ --- -­­ ­_­ .... ...... 1- _---1 ... _____ ...... . ­­ - __1 .... _�­­­­1­1­1 � � I _ __ __ � . _ ___,__..________ - - - ---- ------------------------_--- - ___,_________ 1___--__.___- ------- ______ ------ - -- - ­,____-____ _______________��________ --- ----- - ------ --------------- ----------I--- � 1. ... 111-.1-1. ­ --- �._­_­___ ­­­ ........ - 11.1-1 1. ­: -1-11 ..... 1__--1_-_-11-- ............. ... _ ........... � - - --11-1.. _1­1_66�5 1 i � : I � / _­.__­___ - ____________ �____ � � � � i � : \ 11 I ­ __ __ - __ - , \� - 1. __ -11 1- ­ - __ __ _­ crest of stone weir ; 651�0� top of dam elevation (ft) j � ; ; : : 11 i I � 7 __ _ _ _ ___ / I-,- - I.., 11"..".- I I.I�I.I..".",-..,.,.,'"'.'''I -11- 11, 1. .11111­11.111111�1­1­11 1-1.1--.11 - ­­­ 11 I 1.1.11�ll.��.I..�111.11�'...",,.,.,.''.,..,.."�..'I -111 �, crest of stone weir 653.0 i topof dam elevation (ft Z 654 /_1 \ \ � -, _ ____ - __ - __ __ I i . ( ___ __ -, - __.. ­ ­­ __ 1\ . __ - __ ; � ; ' ' I ' " ­ -- - - -- - - - - I - I __ I .111 I � I 11 _; __ - I - -1 ­­­­ -1 - ­­ 11 )_ , __ - A I �- - I I - __ - 1-11- -1 - 11 11, __ __ I - ­ � \ I ( t ; t � I : : ; -- __� I � _L____ \_ _._:�_ -Z_:--:-___- --- dry storage provided at this elevation (cy)3 246.6� � top width of dam (ft) o' � 1 16 ! dry storage provided at this elevation (cy) 1 298.7 � top width of dam (ft) � ; I 6i I -------------, �_ ­­___ _ t - �- I/ i ; � I - ��, ��_��,__ __ - - ­_ -= -= -= -- -- -- -- -- -- - - -- -- --- - -- --- --- -- --- --- - -- - : - - 11- I - -_ . .... . �. 1. - 1. ___1 1- __11.1. _ � . ... . ..... ; ... .. -1 ­­­ I I ­­ -1 I—- , , �. . _ � � ( -i-_ - _�� , = -Z _ --=-, _�__ _', _=-= =­_ ­_ __ " 1. � 1111-11.11 1-11.1-1 ....... . 1-111.111 111. - ....-.1.1.1- I I � 11111111-11-1-1 1111.1. I-- . ..... �_ I . 1:_ .... .. _ ...... ... ... . * '' I . � I � � q t . I I . � ,----�-------.-----------------� = __ - - - - __ _ - __� _______:=_:_Z_ ! 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E- - - 1� \ \ ­k,�_q \ \ ------ ­ - . -, I _­ -, - I I ,,,,, � , !�,)� -\ \\ � � \ , \ I ' V I \ ,-� - ,\1 I " \11 , - ., / - - ISIN 6Wx5'Lx2'D (TYP. - _ -_ I 1�-� �_ ___ I� ,_ _�' ,I, ,\ \ , " 1." \ � \ \ \ -\, \1. \ \1 , \ \� 1\1 , f 1\ TH FUELING TAN' /PL F__T_E I - 11 1� - —_ --- ___4,�,_ ___� "I \_ W P" /1-N - ' ' - \ -_ , . I / X __ --- - __ __ __ -, - - 11 �� %_j - , --------,k I I " I I 1, EC -1 CLASS At- \ - - I . \ \ 11 \ SURROUNDED BY A 2'DEEP, 2' WIDE EARTHEW - - -ATION OF __k_1 - � --- - - �, . \ - , " \ RIPRAP OUTLET PROTECTION`)\ A", �_ -, __ __ I I 11 . Is \\ \ � \ BERM WITH A HEAVY MIL POLYETHYLENE LINING. I` 1� M a, Pu% _j I - 1�i��_______ �, - - � - __ I I \ "" 1-111A j ,\ I , _ , Q) a- ' . I I - , ____ / ( , J ,,, �� ______ FENCE (TYP.) I �%1'1._-__--% I I \k - - � �_ , ­� - �11 , \ THE PROPOSED BERM SHALL CONTAIN FUEL IN_ - -- - IRTA+10T 11�, ­ I '1� M- L , � \ - ___ - 1,` / --' -, / __ - qDERLAYMENT 611: � - . �, THE EVENT OF A SPILL. CONTRACTO k SHALL � 1�_ I - I Z - , I I` , 11,�3 I f , 11��,`,;. I \ __ - I � I/ IVERSION BERM _.- � - 4- - -5 --. -, I - I " ,� % I % , ,,,� ,>2-,�I', . .\ \ 11. � __ " I I / I ENSURE BERM VOLUME IS 10% LARGER THAN THE --- ", I 1, , 2: __ _ __ I - I __ ,-." -, Z\ - , , ., (L=4U'; W=6'; D=2% S=1.�25% - -..-- �� � �" / I D Uj 4 - - , ,.-- - - - ­ , , - \ I \ ,,� � I �- \ -,--- - - I / I ) ii - - - -- �� 11 \ --- I - � , , , \ \ \ I I I �A � - I \ " ----,"/ \\ I \ \ , � DA - I __ I . � \ �\ \ \ `1 ­ \ , I I -LONG EXISTI " I , I , \ ,�I,,��I�,�, IMUM VOLUME OF STORED FUEL. N_� , !�� - - - - I, - ,�, - "I , - \ , � � , � \\ I \\% , , . t, , , \ � � - X t, i i � / / \ , �� \ \ '\ ,�\ \ I \ \ \ ( 11 I , �N'Q ­ - ­�,,-, \ U) P-4 > , F_ �_ ' \ \'N SEE SHEET I -I FOR \ \" \\ > 1, , " i i - . \ / I , \,, I 11 OPOSEb Vo LAS \ \ r P% I- \ "-' '\ " " \ '� 1\ "" �\�, _,)�- --,\,\ � \ \ , -1 I 'Z___ ­ �\ i� -.1) �11 \ ,\ , " - - \ I.,, , - \\ 1 i .. '\ i f \ :j�� 1� \ \ \ , ­ . / 'T ;,--"- I -L- j \ I J� I q / \ " \ \ ,\, \ f [PRAP OUTLET PROTEC \ ON I , �,\_ %j j 0 , . Sediment Basin #11 Desion � \ \ 'N \ \\" \� " I- __ I I \ \ \ \ *\ ; �..�. " -\ ��'\ . __1 �_ r 0% I MIN. I'M UILUVAY \\ � \ \ - - - I -, / \ \ \ "I %.., I JGEOFABRIC UNDERLAYM T , � I __ - F -Ir % \ \ q .. , " _-`�---::.�.,� , . I � "RES or My \ \ - � 14V \ W . VIMMUT 521. \ PRoPbSED 60"�TANDPI \ -PRdP f , , \�\ \* L -, \1 � -\ 1, ,\ V i AID RR ) (0-at�dhDfl ft-1,S,,P18\n,'j,.\ , \ \' � , QUTFALL DES\IGN \ \ I. , , \ � ' ' �\ ", . \ , ... 1) / _­ \ �\\ \\ , , 11 Ul ��, ( � � ��E\ '\ \ L OSED SIL ( / / / / "",� \ - - \ � I � \ \ \ \ \ \ � ,;� *, L-22'- W1=91% W2=15'; D=25 , ,_ \ LIJ 1 49,47-- � \ \ I . / I ,-�t�.-,,.i��-,- I ` " - drainage area (acre 22.52 DE31" HIGH WAIER 11 RIMI=649 �%� FENCE (TYP.) -- ­_ �7 /: � t �\ I +1+ I / -,\-- . -,4) -1 . I � j N i \ \ I F , .V1 - i - I \ \ \ \\ \ \_ � ,., ..-�j7�'�_,._ � '01, "/ ./ / // / , � " , �� " I 0 ; __L I \ � I - -\ \ \ .00j\ , _� . / I - _1� \ \ , , I / / / / �� OL basin volumes: (using 2'contour intervals) I \ I I ", � / / 11 f Z . . \\ " \ 11,\ I I .1 i � ! . `0 - \ \ , � 1/1 / / / �, �, ��, 1�e , _11't I elevatio (t) contour area (so volu me (Cy) --------F � 1 7\- Y\ \ "I 1�, ��, , 11 ; 10'�,�/ ff ,,, I I / :�� " I,, 1'/1 V \ \\\ \\ 1-1 � . �, 'I, ,it I ,-,----I / / /-I / / , \ lx� � I �__ �­_+-I,_ 75-1 I I '�) \ \ \ � ,\ \ � ' " Z - i I I -----,- � ( - \ � � , Q� (344-40 17589 0 � , __ ;ER CRESr 1, I \, ,� " \ \ \\ " \ " , ,-, \ , OD � / i _1" , "_ - , ,_ - %_ �__ - _Qgjt�� /'W "I - �.,.­ I,.,"..". " , I 11 \ , .--- , - - _1S I / 64$,00 21297 1150 , D" STO _ - \ I \ \ I �, \ \ \ � / 11 � / I / I 1Z � I \ 1� - ( / // IIIIIIIIIIIIIIIIIIIIIIIIIIIII I . 'kt, \ \ \ \ ) / I, '\ , __ r" /" ; / ,�\ \ -\ * VJ .­_ , Ae I I t I :,O�, / MGE ......... ­ 0 Na \ \ \ ' \�. \� I/ 1,\ \ I \ /e X/ - / / � I L � V � \ V �, - -,-- ttj F /I N / , ` 1 6,48,00 23687 \ .� 1, I L \ \ " POSED DIVERSION BERIVI I / I i - i Q. \ " -,,-��\\ '227 � wET - sroR,,zt I � I - � ) I' PRO A // / 0 ji ; N I : 11M 1 � 1mv � js I ! 1� I ��,�, \ �_,___ -, ..%-�. " " I / / / U 165 00 26 4664 \ 1� - . 10' It / �� -1 V­,� 71 I t�POSED SILT "" ' ' / 0 , �_ 28857 6703 ." \ \ ,\ " " \, 1� � "t, \ \ \ I/ / CONTRACTOR SHALL ENSURE � / i I I - � --_ - � , - 01- , / 652,00 , /� i I I )), . \ \ ( C( / / I .W / . i 'I, � � I I - - - �. __ ­_ FENCE (TYP.) / * / \ � I T / . I� I - ", 1`9 / � --- It \ \ �. �� +,, I \ ,�_ - / . �__ � -,--- / I Is, sEt),.� C �. I V " \ , " i , \t ' � 'POSITIVE SLOPE MAINTAINED, / � , t� � I \ \, It / � �,�__ .-­ I.--- .. I �_______ -_________ - - __ __ _ ­ -, _�, I , 4P Ir / / mi �_ .j 'L � _� t / 11 � - I �� I / // N LIJ rM I ., \ I \ " t, t / \ 1-1. I / . " - *� . ­ \1 , " / I / M 34 CY./ �.C) I I'\ " , I SF 'i \ � ' 18" BERM PROVIDED, BER '/ 1� 'I* I , I ) -,- I . - " / / % \ , � / t, 1�,�­ _(1 / / At, � \� __ I/ ,� / / / 12� .j \ ,� k � I I � A � � , \� �, .1, / ,/' �,, . ,Is,; / ), I I ______ �, 1�, " V / / / � / � � \ � � �\ � ,\ � � \ " I / I I t *, \ ,,/ 1�_,_ __ ­ I I - - ____ — — ... .1 , , / / , I ,�. -), � I \ \ ' SHALL BE STABILIZED AS A/ ,� �� ,,,,,,- � \ " I / I, , ... . \ � I - 11 I - � --,---- 11 , / I I `�,>o `7 // / � � I / '�\ \ \ � �_ , O'. ,,, � ,_�' " // � , *1/ \�\�� --,L,* 1, - - - _-__ . I I / / / - rr F-11 91 t � \� 1, \ I i I I " \ \ FIRST STEP IN, D \ I ". \ "I - - I, 1, / I/ I/ - � , , , _­ � --- - V/-- - � , / .,�,_ , < = we"bo�ra �\ I '!� \ ,V ,, I � \ \ \ \ \1 1, ,, I , 1. I � . - - - / / , // mi wet storage required (cy) (67*0A) 1509 _t5ft_ design high water (ft) 68.1.0 'I I / 1� �1- I , I " "��,�A '. - , a I / " / I " I � � � . � / \ \ ,q \ � ) "I \\ � I W, \"- \ \ \ ��_ 1), h / " , I * I 1. # - __ _1+_1 P -----. \ ,� / / / , dewatering orifice elevation (t) 646.5 top of dam (ft) 662-1) � C� � � j\ I � , � ­ \ \ 1, j \ 11 [ � 1\ ­__ \ \ - - 4 ,� ...... �_ r� �1' " � �� ,,�, _' _- .- --- _.. , __ _/ ___� __ � / I tj 1 V, \ \ 1, - __ -�-�,�' " I - \ 1- , / / " / , - wet storage provided at this elevation (cy) 1567 top width of dam (ft) 10.0 i I t I 1, , t f 1\ 1\ \ i \ k � \ C,� \,., - , I \ - - . - , / / /11 "I ___ � � )_)� V \,_t_ SED�MENT I , ____ ____ - -t � ,( ,� ?,� 'I / / / / 0 �. � � � I , , I / I , / I 1_( - \ 1-1 � -�-�, - I RAP #1 _- � X, .. " I I i t t \ , I t t N, \ \ \ , 1\ � \ \ ', i I t, � _______" 7_ -_ / I , , , - _,_�, - _­_ -1, ) -, � I r.�'. / / I / / C) available volume befor cleanout (cy) (34*DA) 662 bottom of basin (ft) 644.4 � � I �k � �A \ I \ \ \ \ \ - I \ 1� - I I _-1_______ / / IMF , , I_), D".71 --ac-- - ____ ____ ____ � � 1 ... � " . / I , -1?6 cfeanout elevation (ft) 645�3 approx. bottom dimensions: 16SX199 ! t � ", ,,, \ � I t, 1 � , , \ \1 � I � � I I \1 \ 1( " � \ t / ,/ - * I ?1* � - __ -_ � � " -., I / / , / / I distance from cleanout to orifice (ft) (�, I') 1.2 upstream face slopw, 2,1 , I . I i I I i � \1 � \\ , \ , \ " I I I TRAP #2 _____ I .� `1--`,_1 - - - � -_ - C) - It 1, I � I I ; I I � ) \ \�) \ V-,- � �. \� \ "I - , "I ./ - -- -,-.-. __ - I - � ,� " :��-, i I � �\ " , \ \ t \ � '\1 1( � � '� , / I-, / / / 0 � I - --t, - I q i </��, , t \ � ( - - --- -.- I I 1% __ , ���_ - — - _/ t,_ 666- �.. " I, - / // / 0 C\j I I j I i , I I , I , \ " � I \\ N\ \, '(I , f t ly, / -, `1 , .....�:;z r I : \ // __# * `­�`­� ___ " � � , W� , _� � _ , , ,/...'. / , downstream face slope�. 3:1 1 f � \ � \ \ , , \ \ I -� -(,�, \ I �_,-_-- ­_ - - ,­­­_ �� ,�_ 1, �. - k I - . ��-,­ � , ,. " "', // / / - dry �tora e , � \\1 \ I \ . I , - �� — 11 \\ - I -1 f . � r ." __ - __ , I , _ �, 11 / / I I I � I ! I 1 1 ,- \, A \ \' , � \ \ \, , \ \ - _ __ � � . __ I 1� I / I I __ __ I __ - I � - , \ � � __ 1� I I,- � " I / / 0 = 0 1 . dry stora required (cy) (671DA) baffles: YES I 1 I t I I � I , \ \ , , " \ , I \ '\ ___ ­ I i __ I , I ) I --�. ,L__-���/' ____1 -D, 11� I I -- S' .11 \1 I I -, � , 11 I ge - N 11 � - , ,�, _� I I / I 1 1 1 1 1 1 . '\ \ '� \ -.-- - __ __ _� - \ --� , , / - I ,c __ I 11\ _1_1�� �\__ — 1\ 1,ix. .., - " - - -.,',,,,-, -,.,,�:,�­ / � . t I \ I " 1k \ I \ I X \ \ - , \ "( I . � , � \ , ��_�, - lz� -, - -I;-- I '. , - �_, I � I I ,' . -, / I / i [ I Ill \_ , - '�_ — — f- ------- I *�_ ­-, - _ __ ,� 'I � principle spillwa 6419.0 length of low, L (ft) 170 " I � � � \.I- \ , - U_ .y crest (ft) I , t i � , - " � " -7:y I., ` 1� , � � , � , I dry storage prWded at this,eleve ion (cy) 2173 eftctive Width, We ift) 153 ; 1, ,\ " \� \ , , \ ,-, , - — , - I _____ � '_1 i 1, I � i I \ , 1, � � \ \ ,-, ", - _. \ \ \ 11 ) �, \ �, , � 10 \ , \ �.. / I I � diameter of dewateKng orifice (in) 11�0 L. I We (baffles not required if., 2) 11 I I I I � I I I � \\ I \ \ \ x N \ -� `, \ \ -- ­-- -1. -111r \ \ ) , \ I 1, :__� � 4 ,I �_ I � I ) __ % ,, 1 % __ I Z " " I / / U � - __ ( - - I i I I , ubing (in) (onfice.+2") � i �t � t � -,-- -,-. \ I-_ ,_j)_1 \ � I ! I I I \ I - - " . � �, \\\ -_ j '�;��_ �"" -, '_1 / diameter of flexible t i 13.0 - , I \ , � I \ 11 - 11 !:,; \\ %W 11 I '\, `% � � i ) � I � I �1, -, \ __ __ I _____�_. \ ;1 - _�,,� \ " \ 1W t � i �, ��/ - "_ -1 ­ I , I I 0:� \ (-) I I Sollars t � � � , t \ \ \ X \ \ X\ -- , ,- \, �, ,- --. ., ' , , 1. , %� ­'��, " , 1 " , � + , .1 . — , ,-�,� � \, I . / - � �, �, k k \. I �� . 1\ I\ \\ � '� ---, GR-APHI\C 'KALE" " II I . 1, \ ,-- // 1 - YES * , - I - I - - -7 \ I � ! � , I I I � I A % � � � \, � \ I ,. -, , -, _� I � - -, - I ------- 1, I \ , I \ 1\ , � \ \ '4 ' I �, -_ �� � , _ - 11�_ �1_1_ - / , � �_ runoff I I 1� - Z / - I I i � � � -1 LU - , depth of water at spillway crest (ft) 4�6 : ,I ,� jt,�\, \ \ ��', I -� , ,\ , \ \ 1, , I k t -(- __ , � /,W I I I / \ , � % " , I f . , �,�, ,4 , - � , , � - __ 11 \ N __ I I I \ ­� " I I V - I \ � � \ \ j ­ ­ ­_ - I - 5� �____ � / -I,' . I _ / 0,59 slope of upstream face (Z 1) 2:1 , " , , \ �, 0 , --, )80 \ � � I "I -1 0 , \ ,_ I/ / \ \ / I . 'I./ `11 - : " / I 0 LU C (use 0.45 for bare earth) I \ I , \ � � \ % I " I I , i � I ;� \ \ ... � I \ - d \\ _� _� I I \ ­_ - __ I . / ., " / . r/ I - , tc (min) 10.8 slop 'b) 0�6 \ \ � \\ . I \ \ \ � \11 IT,\ � �, , 'i - _,`�'. - \ I- __ .- - � - � - .", ''I sj� \ \ � I I / , X a. M I � 1\ t \ " \ \ " +\ I'll \ \ \ �)"11 - _­ , I �� \ \ I 1, / ) ; fl. - L0 I 2yr 0 2yr S � , ', � i \ � \\ I, / Z , + ', ,__� / / ! X ,eofbarrel(� . I \ I , % � � 11 I ,------ __ , 4p// — \ \ \ / I" I (I'', �� � , _ / 1\ �, ., - * ��. / � � \ � -'-/,/-, JOB NO. I I � I . �, Z � / I, _,�_, I I / � . \ �\ \ 4 � \ \ '� -,---- ­ - __ __ I ( , I ,-,\ III , mber collars required 2 , \ M - __� � - " - 1 4.0 4E9 length of barrel insatureted zone. (Lr) 28-63 \ \ � � \ \ � / � , I 25yr 5,8 Q 25yr 73.3 \ \\ \ I \ V � t .. \ \, \ 1, � -1 \ �.: \ �', ,- // I - _1W / / � , nu I— I / _�4 1 t " / I 1, � � \�- , I , , Zo / - /, + �� - I � I * 1- � I I I , — y , -,�, -,,,t�,., " __-F I- , I ; �. / ,1� I'l 1- - Z. / � / f Y/ \,, �O .,65�, 1 - i , I � 1\ I i It , 1��_ 112066 dimension of collars 4A!x4_W I , � \, , i " � - -\ -` *�, \ \ \ � \ \ I __ - T -S OF DISTURBANCE " 1\ I , ,� ,�, / , ,:..� . - '. / \ \ __\ \�. ��: � ,�' �, - - - __ _ I-,-- �IMI I iprinciote, spillway: � " " ,,, V" i � � � I �-:-:,�, ", \ \ , \ IN ,EeT-,)- --,-- I \ vl�, I ./ � � I I I , I/ - ) III` ,,, /"' -,-, I � \ , Z�, -, \ - ___ . \ / I .1 1, I �,��;� - X - -�-,:�-, , It - _,W ...... ------J - Sj9Ekt_4YS1 '111L "I - - I& -_ -_ - -ME, WET STORAGE \\ ft`r`�TORA, I (EXCAVATIED5 t__ V __ _ 4 , J� L ZI F_�';_' � ,-V I I I , ! \ \t;::��:::-:*�:-:.:-�-, /' \ , � , \ - ­ - � � I 1<� . ,` -� / ,.",r __ _ 111+1 � 1 \ I\ \ � / � ____ -_ \ \1 =40.3�,AC. ., ,,` \ , t f .1 I I " - OA- 11� / 4- �- awilabtebead (ft) 1.0 YES \ \ � � \ " I \ t, I � � I I X � \ I \ - - __ _ I I \_ — � ­ -11 __ I - - , \ �� , , � � ". - i , _�1411_1 — I/ ", 1, /� __ � . ... - , , SCALE diameter riser (in) a , I � , V , . �, I � - -, ,­_ / , -­ I" I .11 �, I ICE1 / / �, required capacitf (P25-Qp) (cfs) 33.3 1 �� � - - qmffn_-�cu�Llmw I \ / \ I I \,.%, \ \ \ 1\ Inck = '80 f t � , \ \ t�,E X ,.:. ___ -.--- - I - I / I r _ I I V � :� 48 � , � I , /I .�:V,, A , . \ \ \, 1, ___ - - ­ �- _ " � \ / / \ \ t 1 - �0�! ! !!!!! , - I - ____ --- ___ ___ , k:�� PROPOSED PAVEbCONS RUCTI 1,�� ,`1 ,/ __ , / i � ! ; ; I -, - ­�� � ; I \1 .... %� , --L --- -,- \, ,�, - - / / \ , ; _1/ / .- , , 1-111 I 11 \ \� .1. � I � :V\ `1_11 , __ ,` ,` -11 \ . __ I I I ENTRANCE (12'x7O' MIN.) 11' = 80' spillway.capacity, Qp (cis) � I � \ , � \ ; - , � �%�� � . � '�' , '. - __ __1 - _ " 40 bottom width (it) i i I \ I I I I I I ,,\ \ \�,, \,\ __ I \ I 18 I � i 1 , \ 1 i I / \ . . . � - , , � . . . ... . . *"\ �,_.. � 1� / 11 \_�+ - . 1�� � - � ". - I . z , � .� . � .1�-,,��-. .. �+-�_,., � ., - - \ , � Z - / / \ - __/ - - _�. �, .1, I I I I . i /<`� 1 s7l� � . � . '-�' , _-�-:-,��:-:-�-. . . - � - I � ,,.1 ­_ ,___ I- --- ) 11 --- 1- -1 1� / / /I // ) 'Ir ��, , � � barrel length (ft) 100 I ".� " , - , - -_ I Z�� - / , / 1�� SHEET NO. diameter trash rack (in) 72 slope of exist aianne4 (ft/ft) 0-03 ) I 1 " I � I \� I � \ \ 1 1 �t_ � 1�1'� "� , , , - * \ , \ _____ _�_ -11 '�, � � \ - �� �, - ,/ PROPOSED 8 LT / � 1 \ - 11 / I' > , minimunlem of exit channel (it) I , I I � , jl� � � I -, -: -:. �': - I \ , I , I'-- - __ " \ '. �_ - - - - 11 / \ SF , __1 - / / , - -�, I � . __ ,` - -.- \ I // �,, - �, -,---- __Z-----,,, I / / . � I I It. . , _� . � _,\:� '�*1111* _,� " , � \ I - - __ ---If, -- - , - I \ / / I I/ / � / I I head on barrel through embankment (ft) 8.55 crest of spillway (ft) 660. 00 _� j / I \ X� �L�- . %� ..... � ",-::", , , , , I , I I - ----,, I I I , , � , ­ \ — I � 1/1, � � / , 10A ___,�� I _. � I ­ ) , � _\ � 11 " - I --,--- /�, / ___ �1. I _�,%­�,'.'.% 1, — --- � ,_--�,->/ ,�, ., , , / - i 11 .,�I,%%.".%. � * , i�. -:' �' X* -, - , " �� 11, I_ -11 I" I � , � � , � I (in) 30 1, . � , � , : * , * , * 1 -, -\ ,-, --,., -- - � /I i I / / __ a , Ldq!a� of be rr e ) , , - . : �� - / ! I : I 1. , . - -1 I \ - I , , / / -11 _�, / I ---- - __ -, ��,_ t I � � - � , . -t%,.%-.-- . . � , � , 4, , � -, �, __ - N __ __ i / / / - � I 'a - 1. __ \ i � - , . I � . � :� � . \ \ t \ _ __ Z ! ? . I - I - - � "� I - - � - --- Gth 36 ,/ ) , , 'i ! \ �� \ � \ \� Z , �, \ , - - i \ --- - I,, - - I ! f I \ Z / I - __1 �1� I 11 � � i�--- 4, � -1 �_, ­_ 0 ENCE �TYP) j / /" � \ / � � I �1_1 I + , , 1., .). ., � : \ - __�4, 1 1 � \, ___ / I - " / / / SEDIMENT BASIN SB -2 SCALE: 1 "=20' X 2971' 4 I CD X, 128" X� > MY, X > Tt SEDIMENT BASIN SB -2 6" TOPSOIL EXISTING GROUND NTS 48- DIA. RCP RISER W1 10, 72" DIA. 21" HIGH TOP OF DAM ELEV. =638.00' 17 GA. GALV STEEL ANTI- VORTEX DEVICE ) - -----s Ji is 25 YR. STORM 1.0, MIN. S. 75 EARTHEN EMERGENCY SPILLWAY ELEV.6J6.33 ELEV = U 6JZ -- 00' ------------------------------------ 1.0' MINA RISER TOP ELEV.=6J5.,3J' En I' SCARIFIED KEY FOR IT, SOIL COHESION 10" DIA. DEKA TERING ORIFICE= 634.0 ui' I ---EXISTING GROUND BOTTOM OF BASIN RISER FOOTING CORED DAM ELEV. = 632.00 G (MIN. 18- CLAY DEEP). SEE SWM DETAILS FOR KEYED INTO THE 77ON DESIGN. EXISTING GROUND FOUDA 1244" RCP (2) 3.0' X 3.0' GAL STEEL LENGTH=144' ANTI -SEEP COLLARS SL OPE= 1 � 009 INV IN=625.44 INV OUT=624.00 Sediment Basin #2 Design X X, CREST OF EMERGENCY I �PJLLWAY drainage area (acres) 17-41 DESIGN HIGH WATER basin volumes: (using 2` contour intervals,) (ate YK STORM ELEV.) elevation (ft) contour area (sf) volume (cy) X 632.00 30158,0 0 MIN, 1.01 634.00 33123.0 2342,9 DRY STORAGE RISER CREST DEWATCEMNO 636M 36189.0 4909.2 X 638-00 39355.0 7706.3 • WET STORAGE K SEDIMENT CLEANOUT POINT STORAGE REDUCED TO 34 C -Y./ ACRE) wet storage: C wet storage required (Gy) (67*DA) 1166,5 design high water (ft) 63700 dewatering orifice elevation (ft) 634.00 top of dam (ft) 638,00 wet storage provided at this elevation. (cy) < 2342-9 top width of dam (ft) 10.0 available volume before cleanout (cy) (min- 34*DA) 591.9 bottom of baisin (ft) 632.00 cleanout elevation (ft) 632.47 approx- bottom dimensions-, 128'x297' distance from cleanout to orifice (ft) (> T) 1.53 upstream face slope- 2A V 13:1 dry storage: dry storage required (Gy) (67*DA) 1166-5 baffles: S YES principle spillway crest (ft) 635-00 length of flow, L (it) 77 dry storage. provided at this elevation (cy) 1283.1 effbGtive width, We (ft) 430.17 diameter of dewatering orifice (in) x" L / We (baffles not required if > 2) 0A8 diameter of flexible tubing (in) (orifiGe+2") 12.0 collars-, YES runoff depth of water at spiffway crest (ft) 4.00 C (use 0.45 for bare earth) OJ slope of upstream face (7,1) 3:1 tc (min) 13-8 slope of barrel (Sb) 1,20% 1 2y 3-6 Q 2yr 43.9 length of barrel in saturated zone (Ls) 25.22 1 25yr 5.3 Q 25yr 71.1 number collars required 2 dimension, of collars 4_3x4_,3' principle spillway: available head (ft) ZO emergency spillway: Y E: S, diameter riser (in) 36 required capacity (Q25-Qp) (ofs) 23.1 A 48 bottom width, (ft) 50 diameter trash rack (in) 54 slope of exist channel (ft/ft) 14% barrel length (ft). 166 minimum length of exit channel (ft) 13 head on barrel through embankment (ft) 13.00 crest of spillway (ft) 637.00 diameter of barrel (in) 30 Z 0 rL 0 V _j L) Uj U 0 < C U U') 00 LL_ 0 0 Z 5 ILIJ i Z U SEDIMENT BASIN SB -2 6" TOPSOIL EXISTING GROUND NTS 48- DIA. RCP RISER W1 10, 72" DIA. 21" HIGH TOP OF DAM ELEV. =638.00' 17 GA. GALV STEEL ANTI- VORTEX DEVICE ) - -----s Ji is 25 YR. STORM 1.0, MIN. S. 75 EARTHEN EMERGENCY SPILLWAY ELEV.6J6.33 ELEV = U 6JZ -- 00' ------------------------------------ 1.0' MINA RISER TOP ELEV.=6J5.,3J' En I' SCARIFIED KEY FOR IT, SOIL COHESION 10" DIA. DEKA TERING ORIFICE= 634.0 ui' I ---EXISTING GROUND BOTTOM OF BASIN RISER FOOTING CORED DAM ELEV. = 632.00 G (MIN. 18- CLAY DEEP). SEE SWM DETAILS FOR KEYED INTO THE 77ON DESIGN. EXISTING GROUND FOUDA 1244" RCP (2) 3.0' X 3.0' GAL STEEL LENGTH=144' ANTI -SEEP COLLARS SL OPE= 1 � 009 INV IN=625.44 INV OUT=624.00 Sediment Basin #2 Design MIN. 1'W1 SPILLwAY 2' SVFTHQUT CREST OF EMERGENCY I �PJLLWAY drainage area (acres) 17-41 DESIGN HIGH WATER basin volumes: (using 2` contour intervals,) (ate YK STORM ELEV.) elevation (ft) contour area (sf) volume (cy) 632.00 30158,0 0 MIN, 1.01 634.00 33123.0 2342,9 DRY STORAGE RISER CREST DEWATCEMNO 636M 36189.0 4909.2 D" 638-00 39355.0 7706.3 • WET STORAGE SEDIMENT CLEANOUT POINT STORAGE REDUCED TO 34 C -Y./ ACRE) wet storage: C wet storage required (Gy) (67*DA) 1166,5 design high water (ft) 63700 dewatering orifice elevation (ft) 634.00 top of dam (ft) 638,00 wet storage provided at this elevation. (cy) 2342-9 top width of dam (ft) 10.0 available volume before cleanout (cy) (min- 34*DA) 591.9 bottom of baisin (ft) 632.00 cleanout elevation (ft) 632.47 approx- bottom dimensions-, 128'x297' distance from cleanout to orifice (ft) (> T) 1.53 upstream face slope- 2A downstream face slope: 13:1 dry storage: dry storage required (Gy) (67*DA) 1166-5 baffles: S YES principle spillway crest (ft) 635-00 length of flow, L (it) 77 dry storage. provided at this elevation (cy) 1283.1 effbGtive width, We (ft) 430.17 diameter of dewatering orifice (in) 10:0 L / We (baffles not required if > 2) 0A8 diameter of flexible tubing (in) (orifiGe+2") 12.0 collars-, YES runoff depth of water at spiffway crest (ft) 4.00 C (use 0.45 for bare earth) OJ slope of upstream face (7,1) 3:1 tc (min) 13-8 slope of barrel (Sb) 1,20% 1 2y 3-6 Q 2yr 43.9 length of barrel in saturated zone (Ls) 25.22 1 25yr 5.3 Q 25yr 71.1 number collars required 2 dimension, of collars 4_3x4_,3' principle spillway: available head (ft) ZO emergency spillway: Y E: S, diameter riser (in) 36 required capacity (Q25-Qp) (ofs) 23.1 spillway capacity, Qp (cfs) 48 bottom width, (ft) 50 diameter trash rack (in) 54 slope of exist channel (ft/ft) 14% barrel length (ft). 166 minimum length of exit channel (ft) 13 head on barrel through embankment (ft) 13.00 crest of spillway (ft) 637.00 diameter of barrel (in) 30 TSI Op, 14 SCOTT R. COLLINS'� U No. 35791 C C C IN U) 'LLJ C U-1 Z 0 rL 0 _j L) Uj U 0 < C U U') 00 LL_ 0 0 Z 5 ILIJ i U0 U -1 < Ce LL, 0 LU > U) I­iCr> Cr > LU C ujU-1 0 LU LQ > C LAr) LU cew 0 U C C C >S U-1 C -C f: C -C C -C C C FIN T® r� r� r_1 Lij < M CD -'T 0 C'4