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Home My WebLink AboutWPO201500028 Plan - E&S 2015-05-13,Millais mlii'g CONTACT INFORMATION REFERENCES * BOUNDARY & TOPOGRAPHIC /ALTA SURVEY: "ALTA/ACSM LAND TITLE SURVEY OF THE PROPERTY OF BRASS, INC." PREPARED BY: KIRK HUGHES AND ASSOCIATES PROJECT NUMBER: 97 -159 DATED: MARCH 3, 1998 (REVISED JULY 8, 2003) • GEOTECHNICAL REPORT: "REPORT OF SUBSURFACE EXPLORATION AND GEOTECHNICAL ANALYSIS." PREPARED BY: ECS MID - ATLANTIC, LLC PROJECT NUMBER: 28:1552 DATED: MARCH 29, 2013 ♦ ZONING APPLICATION PLAN AMENDMENT: "ZMA #2009 -001 ZONING APPLICATION PLAN AMENDMENT FOR 5TH STREET - AV'ON CENTER" PREPARED BY: BOHLER ENGINEERING PROJECT NUMBER: V122001 DATED: MARCH 5, 2012 (REVISED AUGUST 31, 2012) • FLOODPLAIN SPECIAL USE PERMIT: "SPECIAL USE PERMIT - FLOODPLAIN FILL EXHIBIT" PREPARED BY: BOHLER ENGINEERING PROJECT NUMBER: V122001 DATED: SEPTEMBER 21, 2012 (REVISED DECEMBER 14, 2012) ♦ CRITICAL SLOPES SPECIAL EXCEPTION: "CRITICAL SLOPES EXHIBIT" PREPARED BY: BOHLER ENGINEERING PROJECT NUMBER: V122001 DATED: MARCH 5, 2012 ♦ WATER PROTECTION ORDINANCE: "MINOR GRADING PLAN FOR STREAM ACCESS AT AVON LANDFILL" PREPARED BY: BOHLER ENGINEERING PROJECT NUMBER: V122001 DATED: DECEMBER 19, 2013 (REVISED APRIL 10, 2013) ♦ WATER PROTECTION ORDINANCE: "WATER PROTECTION ORDINANCE - PHASE I FOR 5TH STREET STATION" PREPARED BY: BOHLER ENGINEERING PROJECT NUMBER: V122001 DATED: NOVEMBER 26, 2013 ♦ ROAD IMPROVEMENT PLAN: "ROAD IMPROVEMENT PLAN FOR BENT CREEK PARKWAY" PREPARED BY: BOHLER ENGINEERING PROJECT NUMBER: V122001 DATED: NOVEMBER 26, 2013 (REVISED 10/01/14) ♦ FINAL SITE PLAN: "FINAL SITE PLAN FOR 5TH STREET STATION - WEGMANS" PREPARED BY: BOHLER ENGINEERING PROJECT NUMBER: V122001 DATED: DECEMBER 13, 2013 (REVISED 10/01114) GOVERNING AGENCIES ♦ COUNTY OF ALBEMARLE DEPARTMENT OF COMMUNITY DEVELOPMENT 401 McINTIRE ROAD CHARLOTTESVILLE, VA 22902 TEL: (434) 296 -5832 FAX: (434) 9724126 UTILITIES ♦ ALBEMARLE COUNTY SERVICE AUTHORITY 168 SPOTNAP ROAD CHARLOTTESVILLE, VA 22911 TEL: (434) 977 -4511 GENERAL NOTE: IT IS THE RESPONSIBILITY OF THE CONTRACTOR TO REVIEW ALL OF THE DRAWINGS AND SPECIFICATIONS ASSOCIATED WITH THIS PROJECT WORK SCOPE PRIOR TO THE INITIATION OF CONSTRUCTION. SHOULD THE CONTRACTOR FIND A CONFLICT WITH THE DOCUMENTS RELATIVE TO THE SPECIFICATIONS OR APPLICABLE CODES, IT IS THE CONTRACTOR'S RESPONSIBILITY TO NOTIFY THE PROJECT ENGINEER OF RECORD IN WRITING PRIOR TO THE START OF CONSTRUCTION. FAILURE BY THE CONTRACTOR TO NOTIFY THE PROJECT ENGINEER SHALL CONSTITUTE ACCEPTANCE OF FULL RESPONSIBILITY BY THE CONTRACTOR TO COMPLETE THE SCOPE OF THE WORK AS DEFINED BY THE DRAWINGS AND IN � FULL CONFORMANCE WITH LOCAL REGULATIONS AND CODES. i pa)-ty I mA] r(MMA 1 1 L FIK TAX MAP PARCELS 076M1- 00- 00 -002A0 076M1- 00- 00 -002B0 076M1- 00- 00 -004A0 07700 -00 -00 -011 EO LOCATION OF SITE all 1)) M ak, NORTH OF INTERSTATE 64 BETWEEN 5TH STREET AND AVON STREET EXTENDED �� v� SCOTTSVILLE MAGISTERIAL DISTRICT ALBEMARLE COUNTY, VIRGINIA Q1 S c .a Q�� ] LOCATION MAP COPYRIGHlr ADC THE MAP PEOPLE PERMIT USE NO. 20602153 -5 SCALE: 1"=2000' ♦ OWNERS: AVON HOLDINGS, LLC 1209 NORTH ORANGE STREET WILMINGTON, DE 19801 5TH ST. STATION VENTURES, LLC. 5B SOUTHWEST BROAD STREET FAIRBURN, GA 30213 (770)692 -8300 CONTACT: DANIELS. TUCKER ♦ APPLICANT: 5TH ST. STATION VENTURES, LLC 5B SOUTHWEST BROAD STREET FAIRBURN, GA 30213 (770)692 -8300 CONTACT: DANIELS. TUCKER I" I� I BOHLER E N G I N E E R I N G 28 BLACKWELL PARK LANE, SUITE 201 WARRENTOIN, VIRGINIA 20186 Phone: (540) 349 -4500 Fax: (540) 349 -0321 www.BohlerEngineering.com CONTACT: DANIEL R. HINES, P.E. SHEET INDEX SHEET TITLE SHEET NUMBER COVER SHEET 1 GENERAL NOTES 2 OVERALL EROSION AND SEDIMENT CONTROL PHASE ii 3 EROSION AND SEDIMENT CONTROL PHASE II 4A -4J EROSION AND SEDIMENT CONTROL PHASE III (FOR INFORMATION ONLY) 5A -5K EROSION AND SEDIMENT CONTROL NARRATIVE 6 EROSION AND SEDIMENT CONTROL DETAILS 7A E &S DETAILS AND STORM COMPUTATIONS 713-7C PRE DEVELOPMENT BMP AREAS 8 POST DEVELOPMENT BMP AREAS 9 PRE DEVELOPMENT SWM DESIGN INFORMATION 10 POST DEVELOPMENT SWM DESIGN INFORMATION 11 UNDERGROUND SPRING SYSTEM DESIGN 12 SYSTEM A - DESIGN INFORMATION 13A -13B SYSTEM A - DETAILS 13C SYSTEM B - DESIGN INFORMATION 14A -14B SYSTEM B - DETAILS 14C SYSTEM C - DESIGN INFORMATION 15A -15B SYSTEM C - DETAILS 15C LANDFILL POND - DESIGN INFORMATION 16 CONSTRUCTION DETAILS 17A -17B WEGMANS AND BENT CREEK PARKWAY GRADING PLAN SHEETS (FOR INFORMATION ONLY) 18A -18M PPIRO E by the Albemarle Cro+unty Comm unity eV 10pment Departnnen Dre s �3a REVISIONS REV DATE COMMENT BY Z O 5/15/14 PER COUNTY COMMENTS DRH 2 J S DRH 3 10/23/14 PER COUNTY COMMENTS W 0 z 12/31/14 ISSUED FOR CONSTRUCTION DRH 5 ¢¢IL >O <'w w= DRH 6 4/29/15 FIELD MODIFICATION 0§zw= OOa Gw �j Fi W 02 (O F- Z 3w m 'z OW w w 0f If m H (f) LL LL a O w Qi Gtl g LL LL yo Z 4. 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", a i NT "� `"s . \ \ \ „ - `\ , \ \ \ \ \ \ \ \ ,, _... -. ;' VARIABLE SEDIME r • r ," °, Y `\ , \ a a �" <, '� a '"1, \ d 1 , .'a:\ a ° a \ „ , a , 11111111111J „,, _. 11 , ... , „ ELECTION AREA > CO 3 IN „ \ „ _, „ a , # , i < > @ 4j) I „, , a t t } t t , IN I \ \ ,. t t i t r . :. , d \ \;.. ..., > ew. ° a < > \ o t - a �1, I, \ _ I I p \ d � JL �L� HEE� a \ a ` '` \ MATCHLINE SHEET 47 CC 4- ¢ \ ! a i \ I'll, € I t i ! Y°°° \ .Y �... > > ..” � as a ?\ >E \ as\ >L `a \> `\ S 4 r H° `!i> \a \L \Ll 4. i a >� \ \ \@ \ \\ `C ��,, Ill i = ' '" , j % t \ 1S \ 1 i :a ,a a °i;:. , e ' 1 1 € � i t 1 I y i ",, r ,' ',y � F, \ > � °a> \ a> !\ >i \! Y \ > !i >�( � � \> \ \° °'° ° \ I , , ' # a E �i ° \ a d d { t , • , , , °' S \ t S li .ia l '" da >\ >< a ° ! > \ >° a 'i �'k > \ > i i i Y �` , \s a , 4 a t { } t t rr t \ S t t > '-..a , ,a !! i ,o a< `y° a !\ a i> >i a >> a OP �a >a� S Yt \ \> °} \ \ � <a \ \ \' La \l, as a \\ !a 11 1 t } ' t' °\ I 1 L }l \a \ > > \ a \> a ._F a a t` \ 4 t ® "\ \ \ a r r' 11 S g t \ > \At i \ \ L \ a, \\ i 1 t + i, s § } 4 t d { i` �r t - Ii'�`,, } t1 `} >_ >° \. a \> \...:: e .,. \ \ \ \ \ \ L a v> ``",.N 3189>850� �n\ > d \` \ \ N11,111, > s t y t 1, '"' `` }�� \��I v, t ! , ' j e i , ii i r'' ' A. V ®�� 1, >. - a \ s � ~l l °4�� ... ..... ..... ... �id °iY Ix1 \ � `w ,. 0\ e� , \. GENERAL NOTE: IT IS THE RESPONSIBILITY OF THE CONTRACTOR TO REVIEW ALL OF THE DRAWINGS AND SPECIFICATIONS ASSOCIATED WITH THIS PROJECT IORK SCOPE PRIOR TO THE INITIATION OF CONSTRUCTION. SHOULD THE CONTRACTOR FIND A CONFLICT WITH THE DOCUMENTS RELATIVE T THE SPECIFICATIONS OR APPLICABLE CODES, IT IS THE CONTRACTOR'S RESPONSIBILITY TO NOTIFY THE PROJECT ENGINEER OF RECORD IN WRITING PRIOR TO THE START OF CONSTRUCTION. FAILURE BY THE CONTRACTOR TO NOTIFY THE PROJECT ENGINEER SHALL CONSTITUTE CCEPTANCE OF FULL RESPONSIBILITY BY THE CONTRACTOR TO COMPLETE THE SCOPE OF THE WORK AS DEFINED BY THE DRAWINGS AND II FULL CONFORMANCE WITH LOCAL REGULATIONS AND CODES. 1. SEE LINE TABLE ON SHEET 2 FOR PROPERTY LINE BEARINGS AND DISTANCES. 2. SEE SHEET 3 FOR EROSION AND SEDIMENT CONTROL LEGEND. 3. SEE SEDIMENT TRAP AND BASIN DESIGN DETAILS AND COMPUTATIONS ON SHEET 6 AND 7A. 4. DISTURBANCE OUTSIDE THE LIMITS OF DISTURBANCE MAY REQUIRE ADDITIONAL MITIGATION AND BE REESTABLISHED WITH VEGETATION. PLEASE REFER TO THE BUFFER MITIGATION PLAN FOR FIFTH STREET STATION FOR SPECIFIC REQUIREMENTS AND DETAILS. 5. AS EXCAVATION OCCURS AROUND THIS AREA, CONTRACTOR SHALL MAINTAIN A 2' HIGH BERM /DIVERSION DIKE ALONG THE TOP OF SLOPE TO KEEP RUNOFF FROM DRAINING TOWARD THE STREAM. THE VEGETATION AND DEBRIS ON THE SLOPE SHALL BE REMOVED AS EXCAVATION STEPS DOWN IN THIS AREA. 6. AS THE WALL CONSTRUCTION ALONG THE ROADWAY PROGRESSES AND FILL MATERIAL IS BROUGHT IN, VARIABLE SEDIMENT COLLECTION AREAS #2 AND #3 WILL RAISE VERTICALLY UNTIL THEY ARE JOINED WITH SEDIMENT BASIN #1. THE CONTRACTOR SHALL WORK WITH THE ALBEMARLE COUNTY SITE INSPECTOR TO MANAGE AND FILTER THE RUNOFF COLLECTED IN THESE AREAS. OPTIONS TO HANDLE THAT RUNOFF INCLUDE (BUT ARE NOT LIMITED TO): CONSTRUCTING A SEDIMENT TRAP THAT OUTFALLS TO STRUCTURE H -5, PUMPING TO SEDIMENT BASINS #1 OR #2, OR PUMPING TO SEDIMENT BAGS. IT SHOULD BE NOTED THAT THESE SEDIMENT COLLECTION AREAS WILL CONTINUE TO RAISE AS THE WALL IS CONSTRUCTED AND THE AREA BEHIND THE WALL IS ELEVATED. THE OUTFALL OF THE SELECTED EROSION CONTROL MEASURE TO H -5 MAY BE A PIPE, CLEAN WATER CONVEYANCE CHANNEL, OR SOME OTHER MEASURE AS APPROVED BY THE COUNTY E &S INSPECTOR OVERALL NOTE: PHASE I WPO CONTROLS SHALL REMAIN IN PLACE DURING PHASE II UNLESS DIRECTED AND ALLOWED BY THE COUNTY INSPECTOR. 40 20 10 0 40 � 1 "= 40' REVISIONS ISIONS REV DATE COMMENT J LL 1 r•`] V PER COUNTY COMMENTS DRH Ld >oa .c 10/01/14 PER COUNTY COMMENTS DRH 3 d' ° ZWFE > ODa PER COUNTY COMMENTS Z�4 4 12/31/14 0� 2 ZZZ :D _j W 004 u w Z O LLI O � 0 -jN u)� m F- ~LLa 6 4/29115 w z W ...... PA w P4 U rL W O O 2 >_ a Ll 9 ( Z > Wu U O 20--, 0Z�Z> Z = OLL z z O W F— Qa1 _j l- �mZ¢Z '"' �QI,UU ♦ ♦... 0 9 'L� z w m z M F F W z x 4) w w rn b w C7 �� x O ;� x 0 U � P4 � � a � U Z O O \ U PG z Q O � r4 ra4 �> z U w REVISIONS ISIONS REV DATE COMMENT BY 1 5/15/14 PER COUNTY COMMENTS DRH 2 10/01/14 PER COUNTY COMMENTS DRH 3 10/23/14 PER COUNTY COMMENTS DRH 4 12/31/14 ISSUED FOR CONSTRUCTION DRH 5 02/03/15 VAULT REVISION DRH 6 4/29115 FIELD MODIFICATION DRH I I _L Ll THE FOLLOWING STATES REQUIRE NOTIFICATION BY EXCAVATORS, DESIGNERS, OR ANY PERSON PREPARING TO DISTURB THE EARTH'S SURFACE ANYWHERE IN THE STATE. (IN VIRGINIA, MARYLAND, AND DELAWARE 81 1) (WV 1- 800 - 245- 4848) (PA 1- 800 - 242 -1776) (VA 1- 800 - 552- 7001) (MD 1 -800- 257- 7777) (DE 1 -800- 282 -8555) NOT APPROVED FOR COIWSTRUCTION PROJECT No.: V122001 DRAWN BY: JLP /CBC CHECKED BY: DRH DATE: 12/13/13 SCALE: 1 " =40' CAD I.D.: EB4 r-PROJECT: WPO PLAN - JE &S PHASE 11 AND SWM /BMP DESIGN FIELD MODIFICATION FOR 5TH[ STREET STATION LOCATION OF SITE NORTH OF 1 -64 BETWEEN 5TH' STREET AND AVON STREET EXTENDED SCOTTSVILLE MAGISTERIAL ALBEMARLE COUNTY, VA L BOH LER E N G I N E E R I N G 28 BLACKWELL PARK LANE , SUITE 201 WARRENTON, VIRGINIA 20186 Phone: (540) 349 -4500 Fax: (540) 349 -0321 www.BohlerEngineering.com of OF v DANIEL R. HINES y , .O Lic. No. 043176 �, 11 4/29/15 �S`44NAL SHEET TITLE: EROSION AND SEDIMENT ]CHASE 11 SHEET NUMBER: 4C E"H tf —It Icr) w 4 H4 x �) &!nH �fl!c 3 " �-., - 6111 �� zi _. > Y SEE NOTE 6 V:' < @ a \ r \ \, " \L Y \ \ i I {2 ; 4 , i r e ,�,....,,,,... , e <. >> . -...- Y S 0 Y S\ '\\ \ \@ i 1 \\ > '4® \ 11 I i t t , ^ , ' ! ; ' • , :, .::'.: ':... L Y, 1 1".^`_. ^• < \ \ > Y \ n '` ' "� ^ ` a l i> b ? 3£ < ', i i \ < \ \ _. __. ',. -, -, ___ --"--, t , i a c , "I. . \ a , a < < L " > < � @ > \ t F' i c :. >ae �� < , a\ � " \ a @ \\ a -1, s i t i } \ i a , t, ..'< .. 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CONTRACTOR TO INSTALL MANHOLE STRUCTURE M2, CONNECT TO " , 4,^ < > v av v " " "_ _,r e,," v �t y t �,;; ; 1 : , �' ; ', " , , 1 t I , EXISTING 18" CMP PIPE AND INSTALL CONCRETE AT THE BASE OF THE �'v vv Y "yyq < < ' a < "- '� ' , 9 S a y < < ;.. @ @ y '" "@,.;, `,.. ° �. v <> q> tv "tt 1, I, I. t + <.: ."' o .1 , t 4 tt t t {i n " \ y STRUCTURE IN ORDER TO ENSURE PROPER DRAINAGE TO OUTFALL y ' ' ; ; ' ` �'t 4 , �', 1`` 1`, < V < yt "\ V \y , R x \�`. 0. > > <> >@ ^' -, ,' \.,^ , aV ,-, "°`` .. `,"\ @\ < \ ;; ,'� 'a l I t r 3 + if � ..r"bi`w«2 - ' \ \\ �. \\> a i x't; t t,t Ott 1 , 't , + PIPE. __. ^ - A <a \a <a I :r*. \ @ ! \ \ \. \t`:: \a \\ 11S A r i \ a \ \\. ! , 1 : � : ^••K- ,' ` > 'i Li4 \\ \ , k t 1 11 a r ,,� v "\ @av@ @ �v a Y vv `` -� ULT ', "^`ti v@ < vv >a i� 2 � :.. . , .+ t i , j t '', a# i IMAT _ , a a y > t > \ E AREA ° , ___ `w, 0 \ ° \t t t \\ \ t ,t l 2. CONTRACTOR TO INSTALL MANHOLE STRUCTURE M3 AND CONNECT \ ,, iS \< \< '\ v ® @ @ n < < O VAR ST t .� \v A `, , .� ' , , v\ "t \;t t't �2q `', EXISTING 24 CMP OUTFACE OF SEDIMENT BASIN #1 TO EXISTING 30 \ \ \ , \ Y` ,� pA_ r►, . - \ 4 1 ,: ,! � `, \t 11 CMP PIPE BY UTILIZING CONCRETE TO SHAPE THE BASE OF THE INLET \` ° \; \; "`\ 1.83 AC '> \a\ ' \< `y ' >q* ; j ; t @ -` t{ TO ENSURE PROPER DRAINAGE TO EX 30" CMP PIPE. ` <y ` ",' \�' Y'\e, ° L< \Y C— x.60 \ % �q a iL \ ®� \\ \" n , , , t t t t ` < t - <•�:.'�\� �,- t y �j tt t < C < t a < @ < Y q\ III \;, ____" !�,\ \t y aq \y S t i I , I t y 4 \ ,-06�, ..., .�r'M e ,, z� >_ tlo.. 4 it i t i Rats) a\ 1 tl 11 t "i aq\ >L\ "S \\ Y \> \ \\ yv y< < \\ �� L\ < \"t :'` 4 ' <,. i 'C "\ \ < > \ i } .' < S " \\ .... , t 1, .' \\\ f,°"'"°Ox S tit S a Y S it i '1 1 1 3. CONTRACTOR TO INSTALL OUTLET PROTECTION AT END OF EXISTING < Y >; <av N,' t v'< yap a , `t t , tt \ L \ S > \ > \ t a ^i S Y \ \ \ \ 4 i -�\ y < \ i 3 '' 1 it i S Z a; 1 S { 't I \i v t y > i @' < <> \,,:''r < < v v i @{ 't 'a i y v L vv} tP t CMP PIPES. t > 'i " > yv v ci II a t av� y < v> > \" \\ It 41 \`` A`. \ ! \a \< y\ i , \ at S S ^, _. .,,.,° \<'S4 t'i \ it i iit{ , Y @ Y> > S\ y < 4 2 @\ \ \\ t q t \t 1 t{ l tt i `t " , ` >tiS< ''`,, n 3 I { ' " \ \i 3, t\ t t 1 } 4. AS THE WALL RISES WITH EACH LIFT, CONTRACTOR ALSO SHALL `�� ' ' ,� >< , a ' ' 1 , 4 >" °y t, ,t i a < < y ' <' y to > La ' r + \ t y ` z < "",n <y \ t a 11 \ tit t i § 4 RAISE M2 AND M3 IN SECTIONS AND SLOPE GRADES BACK TO UTILIZE �< �v " '1"i'S �' ! I < vv �' S < 'i , ,t 1} `t , ' \t a\t vy< < " > \\'\ \ <v L: 1 \a;\> ,...., ti„� } 4314 ti't I :�'.: \'L\y\ a � �@ S M ` a\ a \tY'< \\ > t} to \\•t 'ii \ itt i tt tii tt2? itt, St I'll M2 AND N13, AS WELL AS VARIABLE SEDIMENT COLLECTION AREAS 2 vvvyv t t 1 4 y 11 AND 3. THIS SHALL BE UTILIZED UNTIL RETAINING WALL HAS REACHED \ > < n v \ t {.S, a t} t t 1 \<' ,' i v X Y" "' S v i '< t 7 't i t \ I 'v " y v N' xS ^T t v <vyv i SS ` t 4 I • �i an t y `@ v i �..," .5 q 'a < t t t '2 't i 1 V 'V < ,V `i t Y ` \ \q I t , S , S L y t >jI V i \ 1\ >\ i tS '\ t \ `t t tt _ A HEIGHT THAT RUNOFF IS ABLE TO DRAIN BACK TO SEDIMENT BASIN "` y v > \ v1 p p t ' --__-_____�,,, . °..... _. _ ay a> <> \< ai \\ .p "\\ �.a ,f I` l ,t tt i i \ < y� Ii E ti\ \' \\t ii1 t \ S tt \ Lt t i ` 'ak tt "\ < n y y ��" `�t \ r ,' ° rt 4:f g a t,'t� > A «( \ t #1. t q t> ! S> \y \\I \ V t \ g � 11 > v v L .:a n n> ? r� } v ;, ji;it t < >t s'"T <y v"t 1 xttt �� ,t ataa ttttt' t�'tt�t' a ,t it yL t t t't yv 5. ONCE WALL IS BROUGHT TO FINAL HEIGHT SITE IS STABILIZED AND > `' >' >° `! } z t 1 vt HEIGHT, r vti 4 ' \ ' > \ t l 'S 4 it `�yl , � t .t '1 't t i 1 I NO LONGER NEEDED EXISTING 30" AND 18" CMP °> qI ,I v <',v �- ; 1't \ i `&, a it 't vt `t tq t, 'S ', ` yt 11 SEDIMENT BASIN # S v "v y y v t o \\ <` ";� <,,,.\ i <S .... ~ \\ \ \ ; , i ,iy `, I \�� 1 a: 4 S t a >2 t 4 'i t i ` t OUTFALL PIPES SHALL BE CAPPED AND FILLED WITH FLOWABLE vY , ;va >vvy LL 'a 4>, \ x 4 1 ( 't > CONCRETE AND VACATED. °k; , \\'\ w`° \ii `> l ,AS WALL IS CONSTRU ' 1 \ ,•r >t 'St \ \\ tt , i t 't yt _ \ , \Z \ CTED t \ '\ `r < a t < t .r c THIS WILL et } % + I i ''4 ' " >" >n `a ti "igL,t °, \yy "" '`•> 'tt\ a i t ULTIMATE p�OME THE , t 4i t i ; \t \> ', , '1, tq i \'a it\a t'2q \ta >y\ f v i '{ 2 s,.av ` 1 >v t FOR E`< \ o o yt t NAGE DIVID � w o R VARIAB ° .'�J a y s t e2 > t c,°> \` t VARIABLE \' \\`(y'� i i E, t ..� v t t t ." v << Fyn ""* v > > e "> ,\ i , "�,- n : •t t s t 4 \\ + { ' ' tea\ t ti. - �6'"`, > t 1_ \ i l 1 SyySi >°,\ �� T CP Ll n i 1 1 \ a <- ms " > ' ° t t I t �: \ �A ' t: O Z % \ aat ° \ 1 ,\ 'a °\ r ; i:: a ..,., \ \\ ,q t "t'l \t C- } tt t'a \i j i 1 \ ` >" tit a `S, t a \ '11, \a 1 y v y "v Y > \ma Sy \< t - �> 4 y \ \ A t , a4 t t , \ p . ' L 4 n A \a \`y Ltt it t\t °t \ y 11 \t u v ` ' > �, > �' ,. i '\ , > y as ti t t' tt S. AC\ t y j .3 y� c� 'q t t a' °a 4 \i "y __. ' \ i � \ e t y} i, ? PROFILE VIEW TOP VIEW VARIABLE SEDIMENT COLLECTION AREA DETAIL NOT TO SCALE NOTES: 1. AS THE WALL CONSTRUCTION ALONG THE ROADWAY PROGRESSES AND FILL MATERIAL IS BROUGHT IN, VARIABLE SEDIMENT COLLECTION AREAS #2 AND #3 WILL RAISE VERTICALLY UNTIL THEY ARE JOINED WITH SEDIMENT BASIN #1. THE CONTRACTOR SHALL WORK WITH THE ALBEMARLE COUNTY SITE INSPECTOR TO MANAGE AND FILTER THE RUNOFF COLLECTED IN THESE AREAS. OPTIONS TO HANDLE THAT RUNOFF INCLUDE (BUT ARE NOT LIMITED TO): CONSTRUCTING A SEDIMENT TRAP THAT OUTFALLS TO STRUCTURE H -5, PUMPING TO SEDIMENT BASINS #1 OR #2, OR PUMPING TO SEDIMENT BAGS. IT SHOULD BE NOTED THAT THESE SEDIMENT COLLECTION AREAS WILL CONTINUE TO RAISE AS THE WALL IS CONSTRUCTED AND THE AREA BEHIND THE WALL IS ELEVATED. THE OUTFALL OF THE SELECTED EROSION CONTROL MEASURE TO H -5 MAY BE A PIPE, CLEAN WATER CONVEYANCE CHANNEL, OR SOME OTHER MEASURE AS APPROVED BY THE COUNTY E &S INSPECTOR GENERAL NOTE: IT IS THE RESPONSIBILITY OF THE CONTRACTOR TO REVIEW ALL OF THE DRAWINGS AND SPECIFICATIONS ASSOCIATED WITH THIS PROJECT WORK SCOPE PRIOR TO THE INITIATION OF CONSTRUCTION, SHOULD THE CONTRACTOR FIND A CONFLICT WITH THE DOCUMENTS RELATIVE TO THE SPECIFICATIONS OR APPLICABLE CODES, IT IS THE CONTRACTOR'S RESPONSIBILITY TO NOTIFY THE PROJECT ENGINEER OF RECORD IN WRITING PRIOR TO THE START OF CONSTRUCTION. FAILURE BY THE CONTRACTOR TO NOTIFY THE PROJECT ENGINEER SHALL CONSTITUTE ACCEPTANCE OF FULL RESPONSIBILITY BY THE CONTRACTOR TO COMPLETE THE SCOPE OF THE WORK AS DEFINED BY THE DRAWINGS AND IN FULL CONFORMANCE WITH LOCAL REGULATIONS AND CODES. SEDIMENT TRAP DESIGN Trap Drainage Storage Volume Dimensions Elevations Embankment Outlet Top Spillway ID Area Total "Wet" "Dry " "Wet" * "Dry " ** Storage Trap Clean Elev. Height Height Width Dimensions DRH 6 L x W x D L x W x D Bottom Out * ** H Ho W L x W Req. Prov. Req. Prov. Req. Prov. "Wet" "Dry " (ac) (Cy) (Cy) (Cy) (Cy) (Cy) (Cy) (ft) (ft) (ft) (ft) (ft) (ft) (ft) (ft) (ft) (ft) (ft) ST -5 1.72 232 296 116 172 116 124 80 x 34 x 2 100 x 40 x 1 378.00 379.00 376.00 377.00 380.00 2.0 1.0 2.0 11' x 10.0' VARIABLE COLLECTION AREA 1 0.81 110 145 55 56 55 89 55 x 16 x 2 63 x 24 x 2 c)Qa:UU i 3.0 2.0 2.5 12'x 5' VARIABLE COLLECTION AREA 2 1.37 184 265 92 109 92 156 59 x 29 x 2 67 x 37 x 2 m 3.0 2.0 2.5 12'x 9' VARIABLE COLLECTION AREA 3 1.83 246 348 123 145 123 203 68 x 34 x 2 76 x 42 x 2 a> 3.0 2.0 2.5 12'x 11' MT -3 1.61 216 222 - -- - -- - -- - -- N/A 145 x 55 x 1.5 - -- - -- 369.00 - -- - -- - -- - -- - -- 10' x 10' 6evellIN110 * WET DIMENSIONS: LENGTH AND WIDTH ARE AT BASE OF STONE OUTLET. DEPTH IS MEASURED FROM BASE OF STONE OUTLET DOWN TO BOTTOM OF TRAP. ** DRY DIMENSIONS: LENGTH AND WIDTH ARE AT CREST OF STONE OUTLET. DEPTH IS MEASURED FROM BASE OF STONE OUTLET UP TO CREST OF STONE OUTLET. * ** THE CLEAN OUT ELEVATION SHALL BE MARKED USING STAKE OR SPRAY PAINT ON THE RISER GUIDELINES FOR MODIFIED MUD TRAP DESIGN 1. MODIFIED MUD TRAPS SHALL NOT HAVE A DRAINAGE AREA IN EXCESS OF 3 ACRES DURING ANY PART OF THE CONSTRUCTION PROCESS. 2. DRAINAGE AREAS OVER 1 ACRE SHALL HAVE A WET STORAGE PIT EXCAVATED IN FRONT OF THE STONE WEIR OUTLET EQUAL TO THE REQUIREMENTS FOR TEMPORARY SEDIMENT TRAPS (STD. & SPEC. 3.13) (I.E. 67 CUBIC YARDS OF STORAGE PER DRAINAGE ACRE, NOT TO EXCEED 4' IN DEPTH, WITH SIDE SLOPES NOT TO EXCEED 2:1) 3. MODIFIED TRAPS SHALL NOT BE USED IN AREAS WHERE ROCK OR SOME OTHER HARD SURFACE PREVENTS THE FULL AND UNIFORM DEPTH ANCHORING OF THE BARRIER. 4. AN EFFORT SHALL BE MADE TO LOCATE THE BARRIER AT LEAST 5 TO 7 FEET BEYOND THE BASE OF SLOPES WITH GRADES GREATER THAN 7 %. 5. WIRE FENCE REINFORCEMENT FOR SILT FENCE SHALL BE A MINIMUM OF 14 GAUGE AND SHALL HAVE A MAXIMUM MESH SPACING OF 6 INCHES. 6. THE WIRE SHALL EXTEND A MINIMUM 4 INCHES INTO THE GROUND AND MUST BE FASTENED SECURELY TO THE UPSLOPE SIDE OF THE POSTS USING HEAVY DUTY WIRE STAPLES AT LEAST ONE INCH LONG, TYE WIRES OR HOG RINGS. 7. IF WOODEN STAKES ARE UTILIZED FOR MODIFIED MUD TRAP CONSTRUCTION, THEY MUST HAVE A MINIMUM DIAMETER OF 3 INCHES WHEN OAK IS USED AND 5 INCHES WHEN PINE IS USED. WOODEN STAKES MUST HAVE A MINIMUM LENGTH OF 5 FEET. 8. IF STEEL POSTS (STANDARD "U" OR "T" SECTION) ARE UTILIZED FOR THE MODIFIED MUD TRAP CONSTRUCTION, THEY MUST HAVE A MINIMUM WEIGHT OF 1.33 POUNDS PER LINEAR FOOT AND SHALL HAVE A MINIMUM LENGTH OF 5 FEET. 9. SUPPORT POSTS OR STAKES FOR THUS TYPE OF APPLICATION SHALL BE PLACED A MAXIMUM 10 -FEET APART (SEE PLATE 3.05 -1) EXCEPT WITHIN THE WET STORAGE AREA. THE WET STORAGE AREA SHALL HAVE THE POSTS OR STAKES PLACED A MAXIMUM 3 -FEET APART FOR ADDED SUPPORT. 10. SILT FENCE SHALL CONFORM TO THE CONSTRUCTION SPECIFICATIONS FOR "EXTRA STRENGTH" FOUND IN TABLE 3.05 -B AND SHALL BE CUT FROM A CONTINUOUS ROLL TO AVOID JOINTS. 11. THE FABRIC SHALL BE ENTRENCHED A MINIMUM 8" IN DEPTH AND BACK FILLED WITH CLEAN SOIL. THE SOIL SHALL BE COMPACTED TO 95 % OVER THE FILTER FABRIC. 12. THE HEIGHT OF THE SILT FENCE SHALL BE A MINIMUM OF 34 INCHES ABOVE THE ORIGINAL GROUND AND SHALL NOT EXCEED 48 INCHES ABOVE GROUND ELEVATION. 13. THE OUTLET FOR THE MODIFIED MUDI TRAP SHALL CONSIST OF A STONE SECTION OF THE WIRE- SUPPORTED SILT FENCE LOCATED AT THE LOW POINT OR POINT OF CONCENTRATION FOR STORM FLOWS. FOR DRAINAGE AREAS LESS THAN ONE ACRES, THE MEASURE SHALL CONSIST OF WIRE- SUPPORTED SILT FENCE INSTALLED AS A CONTINUOUS STRUCTURE WITH CLASS Al STONE CAREFULLY PLACED ON EITHER SIDE OF THE FENCE FOR OUTLET STABILITY, NO FILTER STONE REQUIRED. FOR DRAINAGE AREAS FROM 1 TO 3 ACRES, THE MEASURE SHALL CONSIST OF THE WIRE- SUPPORTED SILT FENCE INSTALLED WITH AN OPENING FROM 4 TO 8 FEET WIDE LOCATED IN THE LOW POINT OR POINT OF CONCENTRATION FOR STORM FLOWS. THE OPENING SHALL HAVE A COMBINATION OF COURSE AGGREGATE AND RIPRAP INSTALLED TO PROVIDE FOR FILTERING /DETENTION AS WELL AS OUTLET STABILITY. THE SMALLER STONE SHALL BE VDOT #3, #357 OR #5 COURSE AGGREGATE (SMALLER STONE SIZES' WILL ENHANCE FILTER EFFICIENCY) AND RIPRAP SHALL BE "CLASS I." FILTER CLOTH WHICH MEETS THE (PHYSICAL REQUIREMENTS NOTED IN STD. & SPEC. 3.19, RIPRAP SHALL BE PLACED AT THE STONE -SOIIL INTERFACE TO ACT AS A "SEPARATOR." THE CREST OF THE STONE OUTLET MUST BE AT LEAST 1.10 FOOT BELOW THE TOP OF THE WIRE- SUPPORTED SILT FENCE TO ENSURE THAT THE FLOW WILL TRAVEL OVER THE STONE AND NOT OVER THE FENCE. THE OUTLET SHALL BE CONFIGURED AS NOTED IN PLATE 3.13 -2. 14. MAINTENANCE: (A) SILT FENCE SHALL BE INSPECTED IMMEDIATELY AFTER EACH RAINFALL AND AT LEAST DAILY DURING PROLONGED RAINFALL. ANY REQUIRED REPAIRS SHALL BE MADE IMMEDIATELY. (B) CLOSE ATTENTION SHALL BE PAID TO THE REPAIR OF DAMAGED SILT FENCE RESULTING FROM END RUNS AND UNDERCUTTING. (C) SHOULD THE FABRIC ON A SILT FENCE DECOMPOSE OR BECOME INEFFECTIVE PRIOR TO THE END OF THE EXPECTED USABLE LIFE AND THE BARRIER IS STILL NECESSARY, THE FABRIC SHALL BE REPLACED PROMPTLY. (D) SEDIMENT SHALL BE REMOVED AND THE TRAP RESTORED TO ITS ORIGINAL DIMENSIONS WHEN THE SEDIMENT HAS ACCUMULATED TO ONE HALF OF THE DESIGN VOLUME OF THE WET STORAGE OR EMINENT FAILURE IS EVIDENT. SEDIMENT REMOVAL FROM THE AREA SHALL BE DEPOSITED IN A SUITABLE AREA AND IN SUCH A MANNER THAT IT WILL NOT ERODE AND CAUSE SEDIMENTATION PROBLEMS. (E) STONE SHALL BE REGULARLY CHECKED TO ENSURE THAT FILTRATION PERFORMANCE IS MAINTAINED. STONE CHOKED WITH SEDIMENT SHALL BE REMOVED AND CLEANED OR REPLACED. (F) THE STRUCTURE SHALL BE CHECKED REGULARLY TO ENSURE THAT IT IS STRUCTURALLY SOUND AND HAS NOT BEEN DAMAGED BY EROSION OR CONSTRUCTION EQUIPMENT. THE HEIGHT OF THE STONE OUTLET SHALL BE CHECKED TO ENSURE THAT ITS CENTER IS AT LEAST 1 FOOT BELOW THE TOP OF THE FENCE. (G) TEMPORARY STRUCTURES SHALL BE REMOVED WHEN THEY HAVE SERVED THEIR USEFUL PURPOSE, BUT NOT BEFORE UPSLOPE AREA HAS BEEN PERMANENTLY STABILIZED. A 4 V STANDARD CONSTRUCTION DETAIL Rock Filter Outlets OUTI"ET CROSS- SECTION WOOD POSTS 1 FILTER FABRIC 1 1 HEIGHT OF ROCK FILTER = / 3' MIN,_ /�- AASHTO857 516 HEIGHT OF J/ FILTER FABRIC FENCE UP -SLOPE FACE Sediment must be removed whew accumulations reach 1/3 the height of the outlet. FLO, #67 #35-7, OR #5 STONE WEIR DETAIL vLraJ� II RIP RAP ABOVE M.M.T. MODIFIED MUD TRAP (TO BE PLACED IN THE LOW POINT) REVISIONS REV DATE COMMENT BY 0 5/15/14 PER COUNTY COMMENTS DRH 2 U_ PER COUNTY COMMENTS DRH 3 10/23/14 PER COUNTY COMMENTS W JQ p 12/31/14 Tj� DRH 5 02/03/15 �� zw DRH 6 4/29/15 FIELD MODIFICATION DRH h� F-i o a W w w Z 0�ZZZgw o -w o g ooUao= mF- cn LL CL am 0 =o O � z W •♦♦♦�• wN a °_ a w O LL O 2 d } =o �� a C4 i Z cD } o w 0 CL X }o a °o 0ZYZ> Z �J F� F- °w m �mZ¢Z O-IO2W m z� c)Qa:UU i 0 0 Thy V Cn Q° w m y w � H �o a F-� w w a> C 'Z h U z U ow 0 O in z Q z w Z z a > b w 2° o� U - REVISIONS REV DATE COMMENT BY 1 5/15/14 PER COUNTY COMMENTS DRH 2 10/01/14 PER COUNTY COMMENTS DRH 3 10/23/14 PER COUNTY COMMENTS DRH 4 12/31/14 ISSUED FOR CONSTRUCTION DRH 5 02/03/15 VAULT REVISION DRH 6 4/29/15 FIELD MODIFICATION DRH THE FOLLOWING STATES REQUIRE NOTIFICATION BY EXCAVATORS, DESIGNERS, OR ANY PERSON PREPARING TO DISTURB THE EARTH'S SURFACE ANYWHERE IN THE STATE. (IN VIRGINIA, MARYLAND, AND DELAWARE 811) (WV 1- 800 - 245- 4848) (PA 1-800- 242 -1776) (VA 1-800-552-7001) (MID 1- 800 - 257- 7777) (DE 1- 800 - 282 -8555) NOT APPROVED FOR CONSTRUCTION PROJECT No.: V122001 DRAWN BY: JLP /CBC CHECKED BY: DRH DATE: 12/13/13 SCALE: AS NOTED CAD I. D.: SD4 PROJECT: W POI PLAN e E &S PHASE II ACTH SWM /BM P DESIGN FIELD MODIFICATION FOR 5TH STREET STATION LOCATION OF SITE NORTH OF 1 -64 BETWEEN 5TH STREET AND AVON STREET EXTENDED SCOTTSVILLE MAGISTERIAL ALBEMARLE COUNTY, VA BOH LER E N G I N E E R I N G 28 BLACKWELL PARK LANE, SUITE 201 WARRENTON, VIRGINIA 20186 Phone: (540) 349 -4500 Fax: (540) 349 -0321 www.BohlerEngineering.com TH p DANIEL R. HINES 7 .Q Lic. No. 043176 AO 4/29/15 SjONAL SHEET TITLE:: j� SEDIMENT CONTROL MEASURE CALCULATIONS SHEET NUMBER: 7C