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HomeMy WebLinkAboutWPO201100071 Plan - Stormwater Stormwater Management Plan 2012-07-16WATER PROTEGTION ORDINANGE SUBMITTAL SW -I I OF 4 5W-2 2 OF 4 SW-5 5 OF 4 5W-4 4 OF 4 SWM GOVER SWM NOTES � DRAINAGE MAP SWM PLAN SWM DETAILS - DEPARTMENT OF GOMMUNITI" DEVELOPMENT GOUNT�', TAX MA1'--' SEPTEMBER 21 20 WATER PROTEC-,/T ON ORD NANGE STOR /'NATE R MANA��EMENT PLAN SITE DATA: PLANNER/ZONING DATE ENGINEER DATE BUILDING OFFIGIAL DATE ARCH I TEGTURAL REVIEW BOARD DATE FIRE OFFIGIAL DATE ALBEMARLE GOUNTY 5ERVIGE AUTHORITY DATE VIRGINIA DEPARTMENT OF TRANSPORTATION DATE VICINITY MAP SGALE: I "= 2000' mn c ROUTE 250 YAN LDS aRo ROCK�SH G3 19� HOB 3 PO�ZE � EXIT-107 SITE -� WESTERN ALBEMARLE YL� HIGH SCHOOL m P Iu rz2 PARSON MT4 Cc LN MP 108 ATE' 9oG� 64 F� SITE ADDRESS: ENGINEER: SOURGE OF SURVEY: SOURGE OF TOPOGRAPHY: DATUM OF SURVEY: COUNTY, STATE: MAGISTERIAL DI5TRIGT: TAX MAP REFERENGE: ZONING: SETBAGK REQUIREMENTS: EXISTING USES: PROPOSED USES: lswm or\� APPROVED / by the Albemarle County Community De elopment Department Date Z i6��tt71 _ File C;40 7_L_ JEFFRIES 11 LL P.O. BOX ClI O C ROZET, VA 22g32 RESTORE'N STATION 6115 ROGKF15H CAP TURNPIKE GROZET, VA 22g32 NP ENGINEERING 680 IVY FARE-.,! DRIVE GHARLOTTESVILLE, VA 22Q01 TELEPHONE - (434) 531-7387 ROGER W. RAY � ASSOG I ATE5, I NG. ROGER W. RAY 4 ASSOGIATES, ING. NAVD 88 ALBEMARLE GOUNTY, VA WHITE HALL 55E3 - I HG HIGHWAY GOMMERGIAL FRONT - BUILDING: 30' PARK N6': 10' REAR - BUILDING: 50' PARKING: 20' (UNDISTURBED BUFFER) WEST SIDE (ADJACENT TO RA ZONING) - BUILDING: 50' PARKING: 20' (UNDISTURBED BUFFER) EAST SIDE (ADJACENT TO HG ZONING) - BUILDING': 0' PARKING: 10' VAGANT GOMMERGIAL (GAS STATION � GONVENIENGE STORE) "Proposed "byright" use for up to 1,624 qpd well water usage. Well water Is restricted to this limit. Well will be metered to confirm usage. (Water source for landscaping 15 re -use of storm water.) VDH Sewage Disposal System Construction Permit ID# 101-Oa-0511 Issued Sept 16, 200a for 1600 gpd LAND USE SGHEDULE: PROPOSED BUILDING 3,000.00 50 FT.(1.6q %) PAVED (OR GRAVEL) 53,106.10 50 FT. (50.54 %) OPEN SPAGE '' 120,2cf0.4a 50. FT. (67.g6 %) TOTAL 1-76,ga6.5q 50. FT. (4.06 Ac.) PARKING SGHEDULE: REQUIRED PARKING RETAIL (I5t Floor) 2,7-15 65F x 0.80 ® I 5PAGE/100 C65F = 23 SPAGES OFFICE (2nd FLOOR) I,cil5 65F x 0.80 ® I 5PAGE/200 65F = 8 SPAGES TOTAL PARKING REQUIRED FOR THIS SITE = 23 + 8 = 51 SPAGES TOTAL PARKING SPAGES PROVIDED = 34 SPAGES + 3 HANDIGAP = 37 SPAGES WATER RESOURGE AREA: THE SITE LIES WITHIN A WATER SUPPLY PROTEGTION AREA RESERVOIR WATERSHED: THE SITE LIES WITHIN THE BEAVER GREEK RESERVOIR WATERSHED FLOODPLAIN: THE SITE DOES NOT LIE WITHIN A FLOODPLAIN MAXIMUM BUILDING HEIGHT: MAXIMUM BUILDING HEIGHT IS 55' 516NA6E: ALL SIGNS MUST BE APPROVED BY ARB EMPLOYEES: MAXIMUM NUMBER OF EMPLOYEES = 10 -AV. ML F EN(51NEERIN6 W. Nathaniel D. Perkins NfD o CERT. N0. 032304 6W Iv Farm Drive % �31f� Ghorlot-tesvi I le, Vir inia 22ci01 �'® (434) 331-738l g 10`�� r- t� O CV (V LU L o � o 1z a ,c o — n m •r Ol Z 11 --I II I L.J� OL } _Z O LW 0 GL I cz X �< DES16NED BY DATE NP cl/11/11 DRAWN BY DATE NP a/II/II C4r:CKED BY DATE PILE " EDIT R5EG - SCALE 1 "=30' DRAWIN6 5W- I PLOT SHEET I OF 4 DRAINAC-7E MAP R ESTO R E' N STATION DRAINAGE AREA SUMMARY E Ratio,£ J i S? rd i 6 t E E F t at€ S 3 4 1 1 b S eh 3 s g 1 �a a rr� J £ 4 � 153,71 S i @ £r 4 t dR 'n � S E i F A d 3,S= S � 'u F § F 8 S 5: R 2 f to c St u' a .= R s£ F. o Ar A C S 1T11. f of a # �r Q Q C C ). C $ _ .A . .. _, ...� £ R DA1 22,920.16 0.53 5 1 area defined b curb 0.90 Y r DA2 , 95,2,,64 , . Q!2. 1 l" A 1 . f: , n ar a defi `ed ) b ',oufb' Y • ,... .... : , :. , . ::'. ..... ,... .. ....... 1 .....+ ,. .. .. DA3 2,935.63 0.07 0.90 5 3 area defined by curb I I +I I rI i I I r i t 11 I ir1 i311.a1 ;I:i •,a,, r,I „ 5 e de e cur b :,ar a fin b ,d i DA5 11 563.45 0.27 0.90 5 6 area defined by curb .. ..: " D A. 2 939 :51 ,..,. , . , , Q 07 , i f , Q3Q 3 5 6 rays' lea ... ,,., r! ; ., i ..., .....,,3,.....! DA6 1,928.53 0.04 0.90 5 6 area defined by curb i I A r I „ I I I 0`:90 5E1I i' a pp Y , I ., , I I f n,d b DA7A1 3 230.$6 0 07 0.90 5 7 area defined b curb r QA7A2 1. 484.15 Q Q Q.9Q 1 S 7 a.c ;dfiri 'd? � . ... ..... ..... .. .... .... . r .,,. ., . ,:, , .,, ....f ,, .. ., , ,' • I :.Y I I .., , ,L J, I J,. I iI IIt...: I ^,.Jh iI ., . ,� , i DA7B 18,902.46 0 43 0.90 5 7 area defined by curb , DA8 4,099:31 , ,I , 0 09 , II {. 1, , 3 I 0 90 8 area defend by �.... ., .J_., _ �..... .^,. ,...: ... ,.f f�. DA9 4,517.52 0.10 0.90 5 9 off Route 250, area defined by curb oa ,.88737I :,..„.. 204 .. , E,i.„,,,, ' ,,.. ..,, .... , .,...;,�.: i:�I .J:.ri:a,• ..f{ 7in,,1 .,, - ., ,,.:. 1�I � I1i, 1,.1 ..-.L.._,.J1..Li. ...tLi,�..IJ,. 'IrI�I G. .. i^.,.?.,�.,..., I :.I,.I .,..:c.�,b,;,,a.;, i iI .,.:, :,.:.:,e.�..R...:a:,.1I1II ,IF3 I�F I:? �:..:.. , ..,3 _r,,iI i a. .,• ;i ,I, I ,i .. , . I Offsite Area 37,461.60 0.86 0.30 DA 10 77, 857.25 1.79 0.30 ,:: SedC ......... ...... I ,., .,... ., ,: � , :..,. 11I , ',^. , , , •; ; ,:: , ,..'';, t1 I,I I I��:, IIIlIIII I,:; 1171i .,,. ; i .:,, . „ , ,�.L: i i i i (,. .,:�,' . , :, , , ::: .. :. .... .. ..: ':, a n Ar. a, . 204 055.86 •, [:! r' .„ •, t,:: ., t :; :>: L ;,.. i i i,?. r3,.. ( :... , , i:. , i .,°: ' '( iav: II it �. ?I:i r �I E :.:i e,.1 �, i .,, ,{ ... ^ ':, i ii(I I� 11 .( I (_) Total ' .... •. ,.;'. � f.. Tra A I i i i, ::., i I• 1 i ,. i i i, '. ', I i ' ':,, i ':,t i' ' . . ,,,, (D/11 . • : , „ , ;.t , , , , , .. , ,.,i , ,:,:,, ,i, , , ,.., v'il'. , ,..3 , I;J I I , ,' " , ' , ; I I r,. , I I I .,,,IIII I I DRAINAGE AREA SUMMARY 5TORMWATER MANAGEMENT NOTE5 I. All fills are to be constructed within q5% of maximum dry density and 296 of optimum moisture content. All fill material to be approved by a goetecFinical englneer. A geotechnical engineer Is to be present during construction and prior -to placement of the 5WM systems. 2. Contractor shall refer to and construct the SWM systems according to manufacturers recommended installation procedures. 3. Filtering Is required of the stormwater runoff prior to entrance Into the 5WM s tems. This filtering shall be provided with an in -line filter structure. This will be submitted and approved -by the contractor for owner acceptance. 4. Maintenance of the 5WM systems shall adhere to the manufacturers guidelines. 5. The full design of the rainwater ha^vesting system for system #1 (including the first flush diverter, pump, float valve, pressure tank, etc.j is not designed as part of this plan. 6. Pipe and riser joints are to be watertight within stormwater management facilities. 7. For temporary sediment traps or basins which are to be converted to permanent stormwater management facilities; conversion is not to take place until the site is stabilized, and permission has been obtained from tho County erosion control Inspector. DRAINAC--,7E MAP area draining to System #2 (Post -Dove, I opme nt conditions) TOTAL DRAINAGE AREA TO SYSTEM I (C ISTERN) = 0.14 ACRES TOTAL DRAINAC-_-�)E AREA TO SYSTEM #2 = 1.4q AGRES W. Nathaniel D. Perkins GERT. NO. 032304 7 1- m r m u� m } N } I, } V 4 LL Q C Q N N m � Q 0 ,^) I- - } W z O < Q _ J-U 'Iue- 1-U OL V ! W y- I 0 z LU 7 F- DE516NED BY DATE NP a/11/II DRAWN BY DATE NP Cl/II/II CHECKED BY DATE FILE EDIT RSEG I - SCALE l °=30, DRAWING Sw-2 PLOT 5HEET 2 OF 4 SDI.-2 TER ' TER ------ PROJEGT -123-6 (PLANS PROVIDED BY V .D .O .T w w ---w w __ --- w --- -__- w ------ 5TRllGTURE IA _ 5TRxTURE 11 -706.01 5TRUG lB MH (0I-3B; 69 '' ' , Inv. EOut = 102DO I ... Inv. Out = 102.40 Inv. In = 102.10 Inv. In - 10 .........' ---- _ ------ --------Creur"n� POL >q " LE __ T" / x - - - - - - - g.23ft >e, 15116 MP _� IG.�B' ®6. 15K 1 N86 ° 1b'34 "E 3 .. ... I ND 1 Entrance �r 1 ,' Fllterra Box (F \ i/ T.op. '70.5.2f Inv = IO3.3� l8. x 49 . . 5TR1JGTIL)w 1 I If ...... MH (0I-3121; 69 r 0 1 1 P ON I�_ I I � Rim Elev a 704.73 I I 1 t r r III 11 \ \ 5TRUG , . I = P Inv. Out 696.73 FUND o. I. ... Inv. In s 696b3 1 V I I MH rol-3B; 4 Proper owners) agree to convey a 25 foot wide I I\ - - - - - _ RI Elev = 104. access e0se4y. subject to a maintenancf II I \ ! � - - - - - - - ` , ogre nt approved bbyy the County of Alberria•le III \ _ i i \ I . I - 6 7 to Insu a maintenance of all Improvements with the easem t. The owner(s) of Tax Map SSB, Parlcel I I I I 5 r 1 shall no be responsible for maintenance of Areas A 11 r rf e r and B.tly se pproperties having access to Area G hall Ioinln Area G. Mafntenance resp�nslblllty - _ hGoIG\\o4 G shall be based on edicted usti I I I - _ _ UJ 1 / I I I / IG 9TE x ` Fllterra x (Fi) D bA AREA'G" I r I V (Design Others) ` \ \ ` top Ele, = 102-04 Rim Elev - , cess Es \ I }: rop �a4.a' ( x 47 Inv. out = A0 685A, MH FOR \ ` ,F►Flitema Box (�6 5TRUGTURE _ WATER REu��E \ ` Top Elev = 102.1 o MH rol-3B; 6') fi Elev = 102.40 Q 1 End of Out = 6C14.40 , I I I r I r I Privacy ` II .14 ® I. x nv. In = 04.50 r I IllCz I 1 Tanks I -4 {..l / III } m f.. II I i ` �1 1 ! . I Q m � LarGcJ�e Canopy I �J. d\ �� �1.. 60 IbIAS _ + I J., 1\ I , Bollards x / / / , \Roof Drain -n Ion I I -fin ►�c r . o bldgJ Top Ele -- (6 49 I I L - .j..l.' I , `\ \• ml . Proposed Two X I / , , . \ *I \ 5tory Bldg \ \ ui ' � • �-- --� v I % :. ':r i ::� �►. \FE _ '703.'f0' \ �I ' _ - - - - TF& 5 I F jev� 1 1 t II I I I 1 u \� of (Ist 1.=2,-f75 sf) Elev = 01.-101 x� 0 \ 1 (2nd Fl.=I,G15 5f) . I\ Inv. out = 3.1 IIII I.. X rc t. \ I . In I I i III Dist. / k3ox A "1 r MH (Ft Rim Inv. Wheel Stop (tp� � \ / -Drain le Id• l , GRITI�;4L SLOPES 1':':': ..... / 1141, , I / :' \ \ /. 1 �....;..;. oo \ (typr.'.'•'/' , , Dry infie1 B ................�.......�. '. Additional I _ _ _ - - / / I ('n ,•....i.....' . . / /.'.'.. j....... / 1 • I , , , / \ X\ \ \ . I I ' TRl1G', ' ` 3 , 10 MH roV3B; 69, 1- / Rim Elev = 6ai�90 F a x � .'.'.'. IU Inv. In = 6Q0.10 6' 4') .!.. / I 5Y6TEM 2 GONTfGH UG zET i \ \ .- I . \. \ . _ _ - - - - ROO Top = 619.6' \ x \ . \ . 1(20' x 24') /' X ,' I 11 1 \A. /!'I I Bottom = 669b' old O FII y1cP I \\ ub\ I I I Fllterra B9x-(:3) I I 1 - - - - - - - - / opEl� = a \.I .-----1Top E=6g1.12 q� I \ °' x i � of F-Rom - -T _(6' x 4') ' >S�T I ,' , , ✓ , S , 1, t m v =vb'iv x / /' / \ ` \ - _ ' , n = I I ... .' Rim gy out from Vl :IN \ ` Inv. n = .01 I ,' 50 x 50 , \ I 1 I , / - I) � I X i N611 ArPr'a \ \ \ ancho d� concrete I1 % 1 ,fK'ermyt 101-08-_ ) i e int. - 1 (special Design g A- d MA-7�)� L - � - \ \ , / r X ffropo�ea y Location ' 6' Privacy / I I / (Pr,Imary) II (20' off PL) 11 1' x ' / f / 5 ro lr° End of Fence �1 Septic x 7..` R 160 t System I Inv. Out = 611.0 x x �J I , i I N I I/ , - _I_ `. '.'.. t IRON I F :U QI --�-�' ,----_ I I `�, �.\ _ _ t FOUND I 114.g2f t-,� - - - ' , _ _ s:. _ _ _ _ _......'_ _ _._ - _ ........'.... ', I' ► t �I �ON, IRON _ �- - - _ _ / 5Eyt9�ND o: i TI _ V. � ' 20' Dr fna a Esm't \ r \ -7 48 25 W 330.1 Of t Z o U) (090 675 670 665 655 0+00 1 +00 2+00 SYSTEM 2 NO DETENTION) - GROSS SEGTION • II I I 5Y TEM 2 / GONT!`GH UG VET \ Tdp = 679.6 \ Bottom = 669b' op E16 = 2 ' � ' •t5 / /5O :. II � \ from 50'' x 50' , `� \ WWII Arg'a `\ \ (P rmlt 101-08- ) / BpWelel a Q ocdtioni I / rimar ) ' / 6' Privacy y I 0% (20' off PL) ' I ' , 5 b 104. End of F Myra 7}----� \ x' x I I t 6-1i^- X X ` IRON ' 20' Drp(nage Esm't , Ix I / / 0 r I I 'IRON CJUNo ' al ' I I , �& 1 i V b / N.SET @ 5'rSTEM #2 690 �'r� -0 675 670 665 r-7-•'. 655 SYSTEM I BASIS OF DESIGN: Gontech Cistern (or approved equal) DIMENSIONS: 14' 6" X 37' SPEGS: -72" dia, SRPE PIPE, H20/H25 LOADING DRA I NA&E AREA: BU I LD I N& AND CANOPY ROOFS (0.14 AG) SIZED TO RETAIN THE 100 YR CRITICAL STORM TOP ELEY = 6g4A' BOTTOM ELEY = 688.g' RIM ELEY = 6g8.0' SYSTEM 2 BASIS OF DESIGN: Gontech UG Perf (or approved equal) D I MEN51 ONS: 42' X 84' SPEGS: 72" dia, 16 GAGE, H20/H25 LOADING, FULLY PERFORATED, GMP DRAINAGE AREA: ALL SITE IMPERVIOUS AREA TOP ELEY = 675.6' BOTTOM ELEY = 66g.6' INVERT IN (18" RGP) = 674.1' INVERT OUT (3" orifice) = 66g.6' GRAPHIC SCALE 1"=30' 0 30 60 90 r LQ } s V m Q ry ry m ry ry ry Q p M z z -a LU Z D tJ--I -1 LU OL 0 r� I/ I LLi M X DES161ED BY DATE NP 4/II/II DRAM BY DATE NP CIA I A I GHEGKED BY DATE FILE EDIT SCALE1"=30' DRA SW-3 PLOT SHIFT 3 OF 4 r S"'rSTEM I - UNDERGROUND CISTERN On'. 3/6' THICK HOPE 37.0' 072', 3M' THICK HOPE STEEL REINFORCED OULKHEAD W10W HOPE STAB WI WATERTIGHT STEEL REINFORCED BULKHEAD WJ 012- MAINIFOLB BY CONTECH OW SRPE RISER INV. • TOO Inv = 688.9 HOPE SMU WO WATERTIGHT COUPLER INV.•TO Inv = 686.9 CALMING INLET, e SEE DETAIL. P6 072-SRPE PIPE RIITI=�.g� HIM=TBD 3'-P INV.=T9D OJT Inv = 688.9 SEEOE ALDER COY/ %PE IN R SER NV. =TaD Inv = 694.9 I I � I I TOREUSE I FINAL TREATMENT INLET -� I HY I, A I t1 I I I OPTIONAL PUMP MANHOLE, BY LONTECH OR OTHERS I I I I 1 I I B OI I 072'. 314' THICK hwE I I 1 OW HOPE VENT PIPE STEEL REINFORCED BULKHEAD (TYP OF 2) INV. =III 0R'9RPEPIPE Inv = 688.9 036•SRPE RISER 072•,314-THICK HOPE STEEL RIM=TBD 3Y REINFORCED BULKHEAD INV. - TOO ,NV.. TOO IITV = 688.9 e Rim = 698 Inv = 6688.9 ASSEMBLY SCALE: 1' = 5' VOLUME: 14,766 GAL. 036' SPPE RISER Rim = 698 0B'VENTPIPE "V.=TBD Inv = 696 LOADING: H2OiH26 SYSTEM INV=TSD Inv = 688.9 T Sir DPEOWLETPIPE Nv-1 1) Inv = 694.9 I I 1y. ra•1,5� Top = 694.9 Inv = F 88.9 NOTES ALLRSERANDSTUB DIMENSIONS ARE TO CENTERUNE • ALL ELEVATIONS, DIMENSIONS, AND LOCAtONS OF RISERS AND INLETS, SHALLBE VERMED BY THE ENGINEER OF RECORD PRIOR TO RE-EASNO 0MANIFOLD FOIL FABRICATION. i� DWA7ERTIGHT THE UNDERSIGNED HEREBY APPROVES THE ATTACHED (5) PAGES. • ALL FITTINGS ARE ALLERWIS AIDSTUBSARE HIGH DEN9IT/POLYETHYLENE UNLESS NOTED. OTHFIBERS j OVERFLOW PIPE DETAIL • To 1W MNED TO GRADE. 4 CUSTOMER FLOTATTOBEFIElD pp� . FLo7AnoN CoxrROL is cwIT;CALAtiD THE RESPGvsmluTroP THE INSTALLER TILE SCALE: 1'=5' INFORMATICNIS SUBMITTED ASA GUDEUNE ONLY. CONTEGH IS NOT RESPONSIBLE FOR ThE USEANO INTERPRETATION OF THIS INPORMAnON - A�17�►3TCAl�® Dur URBANGREEN SRPE CISTERN-4.48110-002 uauo ow +nlm12 '�9�i►�9 i 9T.C=L� Rxx �iAB • -� COnarRUCTION PFTODUCTSfx0. RE-STORE'NSTATION NLE XXX -•w y,� "' a°d °'"" fi03010b,1 Wuy, Sall• 113, LIOlhlcum, MD 21090 PROP08AL � CROZET, VA SITE DESIGNATION: RWH CISTERN Raul GAre REVILE%"DESGUPTIIXN ay awr1oa31e alataosea9 asa]Te-aa1,FAx "J00( u P7 5 LA -TOUT DETAIL - TEMPORARY COVER FOR CONSTRUCTION LOADS HEIGHT OF COVER .r FINISHED 0 `SPADE VV- - - - - - - - - - - - - - - - - - - Mfismu-N LOADS FOR TEMPORARY CONSIRUCTION VEWCLE LOADS, AN EXIPAAMCU.4r OF COMPACTED COVERMAY U=REQUIRED OVER THE TOP OF THEE PIPE. THE FEGHTOFLWER SHALL MEET THE MINIMUM REOUIRE.MENTS SHOWN IN THE TABLE BELOW THE USE OF HEAVY CONSTRUCTION EQUIPMENT NECESSITATES GREATER FROTEGTICN FOR THE PIPE THAN FINISHED GRADE COVER MINIMUMS FOR NORMAL HIGHWAY TRAFFIC. PIPE SPAN, AXLE LOADS (Mps) INCHES lawI 5DT6 10-vG 11a150 MINIMUM COVER (FT) 20 25 3.0 3.0 1242 4a-72 54-0 3.0 3.6 3.5 4.0 4.0 1 4.6 4.0 4.6 •MAIM'JM COVER MAY VARY. DEPENDING CN LOCAL CONDITIONS. 111E CONTRACTOR MUST FROYIDE TILE ADDITIONAL COVER REQLIRED TOAVOID DAMAGE TO THE PIPE. MIN.MIUM COVERIS MEASURED FROM THE TCA OF THE PIPE TO THETOPOFTHEMAIMANEDCONSTRUCTIONROADWAYSUWAr . ( ) CONSTRUCTION LOADING DIAGRAM pq j SCALE: N.T.S. REINFORCING TABLE OSRPE "BEARING RISER A 05 REINFORCING PRESSURE (PSF) 33 0 Ya- �• NN tv0aW L720 5'-WX Ea• $609'OLEW 1,210 �I SYCOmPACiORSYCONTRACTOR. GASKET MAIERAL .L 3 SUFFICI ENT TO PPEYENi I J/ SLAB TRW BEARING ON RBERTO BE PROVIDED BY y coNTw,croR ye-,-11'TYP. 3N SECTION VIEW ^•� OD DIAGONALTRIM A- •'7a aAR (iYP. a PLACES), ,14 D'AGONALTRNI - SEE NOTE 7. SEE LACE BAR mTA4 NO9k TXT E t. I I �X i WE, 1 "A - 1 i OPENING IN 1 / I OPENING IN SPECIF'.CATICN FOR STEEL REINFORCED POLYETHYLENE PIPE PROTECTION PROTECTION SLAB FOR SLAB FOR - SCOPE INSTALLATION CASTING CASTING Y��R! INTERRUPTED BAR INTERRLPTED BAR - TH188PEL`IFICATIONC YE M U COVERS THE AN FA(:NRE AND INSTALLATION SHALL BE IN ACCORDANCE WRH ASTM D232f 'PRACTICE ARD STANDARD REPLACEMENT.TAN BEE REPLACEMENT„ INSTALLATION OF THE STEELHEINFORCEO POLYETHYLENE PIPE CETAILEU IN THE PROJECT FLOJECT PLAINS. FORUNDEROROUNO INSTALLATIONOFTIIERMCPLFSTICPIPEFOR SEWERS AND OTHER ECOMMEFLOW APPLICATIONS" ALONG WITH NOTE6. ORCIN RE,06a SEENOTEB. 1 SEE TABLE SE AB 4 ET LE MATERIAL PRODUCTSPECIFIC RECOMMENDATIONS CONTAINED IN CONTECH INSTALLATION GUIDELINES AND IN CONFORMANCE WITH TPEPROJECT ' ROUND OPTION PLAN VIEW SQUARE OPTION PLAN VIEW VIRGIN HIGH DENSITY POLYETHYLENE PRESSURE -FATED RESINS PLPNSANOSPECIFICATICNS. IFTHEREAREANYINCONi STENQESOR CONFLICTS, THE CONTRACTOR MUST SPIN THEM TO THE ATTENTION OF ryOTE9. SHALL CONFORM TO THE M.hIMUM RECUIREMENT60FCELL TF.E SITE ENGINEERCLAS I.DESIGN"ACCORDANCE WITHAASHTO. IIM EDITION T-TFLMCPEFUNO WIIM DIAGONAL a'4 BAiL8,EXTEND 3 CA9l1EFINEO AND DESCRIBED W THE LATEST LATEST BARS AMIN;MUM OF I2- BEYOND OPENAO, BEND VER3;ONON F A3 ASTM PLASTICS FOR POLYETHYLENE PLASTICS PPE.WOFRTITNGS MArRIA15'. PRE MATERIALATIONS'. GUIIT ELINES RESPONSIBILITY CONTRACTORS TO FOLLOW OSHA GUIDELINES FOR SAFE PRACTICES. 2. 0=31GN LOAD H525. BPAB AB PEOU"ED TO WNNTAW OAA COVER - FIFE MO FDTW OS CONSTRUCTION LGADs 3. 6. PROTECTION SLAB A\D ALL .'RATER EARTH COVER - P MAX AILS TO PROVIDED AND INSTALLED BY CONTRACTOR ALL FHTINOS$HALL SE FABRICATED FROM STEEL REINFORCED CONSTRUCTION LOADS MAY 3E HIGHER THAN FINAL LOADS. FOLLOW ThE 4•CGNCL11 E STRENGTH. 3,600 P91 POLYETHYLENE PIPE.rWYFITTINOB 24'=AND BELOW WILL BE MANUFACTURERS WIOELINE9. 9. DETAIL DESIGN BY OELTA ENGINEERING, BAGHAMTON, NY. HOPE PIPE.L 6. REINFORCINGSTEEL= ASTM MIS, GRADE W. %'T{ \ MANHOLE CAP DETAIL - , ALL FABRICATION OF THE PRODUCT SHALL OCCUR WITHIN THE 6. PROVIDEADDIIIOWLL REINFCRCINGAROUNG SCALE: N.T.S. UNITED STATER. OPEN HALFFINAGGSiE8OI1JEADDHIONAAI- BARSTRURUBPE TINEO, THE SAME PLANE. / reMaxxa URBANGREEN SRPE CISTERN RN - 448110-002 T� uLZDt2 _-wi 1_-• .. _�. e•._ oI�uu consRRucna�N�PRODUCTS INC. RE-STORE'N STATION iia ENE m-- « •-- 5OZET, It) w5G:a•ay. 9ull•, LInlM1icum, M021090 I W.Y.o «nEm PROP08AL DAA'xw] VA SITE DESIGNATION: RWH CISTERN - .WAN GATE gEV19KK1 GE5WPTgN 3Y BBa74o-n1n na7ao-aa9a xa345aeH rAx LAYOUT DETAIL - 4 FUSION'WELD34' THICK HOPE PLATE ro FULL PERIPHERY OFPIPE 3 FACILE OOLTED O LTEEAD BULKHEAD BOLT CAP SEAL PLAMIOWELOEOONTO allLKH EADANOSEALEO ____________ AROUND FULL PERIPIERY OF CAP _______________________ 33'0 BOLTS 3.O.c. --------------------------- ------------- ANGLE SPACWGIS ---------------------- PROJECT WECIFIC S BASED ON HEIGHT OF ____________________ COVER EXTEND ANGLE TO ------------------ FULL EDGE OF BULKHEAD SIDE VIEW ELEVATION VIEW TYPICAL BULKHEAD DETAIL SCALE: N.T.S. PIPE --. 0 QuroMax CO UCTION PRODUCTS INC. nt a°m _ Goo alchal Way. 9t•-,,3" m113, umM<Ym, MD ],D9a pROP08AL 89a74a3316 41a74a W 980J76d611FAK DPANNO DIAMETER MAXIMUM COVER HEIGHT 2V-42' 6114)' 48'-60' 60'-04' 30-0' 90'-120" 39-0' Al.) FINAL BACKFILL MATERIAL SELECTION AND COMPACTION REQUIREMENTS PER THE PROJECT PLANS, SPECIFIGATCNS, AND ENGINEER -OF -RECORD. MAY INCLUDE APPROVED NATTIVE A2.) MINIMUM HEIGHT OF COVERS PER DWAfETEft (DISTANCEIAS MEASURED FROM TOP -OF -PIPE TO BOTTOM OF FLEXIBLE PAVEMENT OR TOP OF RIGID PAVEMENTk 12' MINIMUM FOR PIPE DIAMETERS 21'- 66' 18' MINIMUM FOR PIPE DIAMETER 72' 24- MINIMUM FOR PIP-E DIAMETERS 64' - 96• 3W MINIMUM FOR PIPE DIAMETERS 1 •12 02" 0' AZ -A) FCR INSTALLATION COVERS THAT EXCEED MINIMUM HEIGHTS OF COVER: 5• MINIMUM FOR PIPE DAMETERS 24', 50' 12, MIN,MUM FOR P.PE DIAM TERB 68' • 8' E 9 18' MINIMUM FOR P,PE OIAMETERB 102' -120' A3.) INIT W, BACKFILL d HAUNCHING ZONE MATERIAL TO MEET ASTM D2321 CLASS I, II, It ORAPPROVED EQUAL, COMPACTED TO 00% STANDARD DENSITY (A NATIVE MATERNAL CAN BE UTILIZED THAT MEETS ASTM D2321 OR APPROVED EQUAL SPECIFICATION). FOR COVER HEIGHTS TTHATARE UP TO OR EXCEED 76%OF MAXIMUM COVER LIMITS MATERIAL TO BE CLASS I OR II AS PER ASTM 2321, A4.) DUROMAXX STEEL REINFORCED (SRPE) PIPE AS.) REDOING MATERIAL SHALL BE A RELATIVELY LOOSE COMPACTED BEDDING MATERIAL THAT IS ROUGHLY SHAPED TO FIT THE BOTTOM OF THE PIPE, 4- TOP B" IN DEPTR NOTE: 1.) OTHER STRUCTURAL BACKFILL INCLUDING NATIVE MATERIAILS MAY BE USED AS DIRECTED BY THE PROTECT ENGINEER. BACKFILL MATERIALS ARE DEFINED UNDER ASTM D2321. GEOTEXTILE SHCULD BE USED AS REQUIRED TO PREVENT SOIL MIGRATION. 2.) STANDARD SPACINO BETWEEN PARALLEL PIPE RUNS TO BE �- PIPE DLka SPACING BELOW THE AFOREMENTIONED FORMULA FOR PIPE DIAMETERS IS ALLOWED BASED ON PROMECT REQUIREMENTS AND APPROVALIDESIGN BY CONTECH CONSTRUCTION PRODUCTS INC. 1 B.ACKFILL DETAIL P2 SCALE: N.T.S. L URBANGREEN SRPE CISTERN-448110-002 44 11 ooi RE-STORE'N STATION uaL CROZET,VA SITE DESIGNATION: R4NH CISTERN P2 LAYOUT DETAIL - 2 POLYETFLY, EENCAPSULATED GASKET 9TEEL RETAINING B°ND HOPE sP,cor POLYETHYLENE YETHYLENE POLAPSULATED STEEL RETAINING BAND BELL DETAIL SPIGOT DETAIL INETFROM COS OR PREFILTER u� I� FUSION WEIR HOPE STAND PIPE TO BULKHEAD, FULL FU61ON 1 WELD HDFE HEIGHT, BOTH SIDES. CALMING OOLETTO BELL STAIND PIPE LENGTH BELL AND SPIGOT ELEVATION VIEVI INLET WIHAYEAOOWN TURNED PLAN VIEW EL -OREEOPENENDED POLYETHYLENE ENCAPSULATED BASED ON PROJECT REQUIREMENTS CI FOATIONSFORCALMWO GASKET OTEELREINFORCI,NGaAND '• _ ORSSP INLE'11- JL.I coos OR A - PREFILTER $RPE PIPE 314{'rnICKH7PE HTAESOUDYVALL k STEEL. RELYFOP4CE0 aLr�aEAo STANG PPE kHD PE CILMIND INLET 91 FUSION WELD BOTTOM OF CALMING INLET AND STA140 F f1- PIPE TO SRPE CISTERN FLOOR ELEVATION VIEW - INSIDE SIDE VIEW CONNECTED VIEW i BELL AND SPIGOT DETAILS 4 TYPICAL E CO NNECTION ONNECTION DETAILS 5 TYPICAL CALMING INLET DETAILS 3 9 P5 SCALE: N.T.S. \�EV SCALE: N.T.S. •�ti �^' M EC Duromaxx" URBANGREEN SRPE CISTERN-448110.002 a 1io aos u17rm1z ,,� AAlmN ►LE consTR4acTTan PRooucTa INC.' RE-SETOREN STATION m... fi05 Gleh•I WY. 9vll• 11], LinNlaum, MG ]1090 PRal(rtUl�'�,w CROZET, VA XX% x X XJ( y�;y, o6re REVI910rl GEscRFPrxxr aY eeaTT6een rAx �• P5 ,a• 5 . SITE DESIGNATION: RWH CISTERN SYSTEM 2 - UNDERGROUND DETENTION Yrc- xr.n.• --- •,r9tia x'w�. wow ,.w 4 _01b'aN3 � uW.=eaEED Lww. LN,x awr,9 � aa•gmsE� CAI � Pa Ea.t9 L b k I I , I ' __________________ , ________________ ____ ______________ Rlyd-�- ,iv aea'Tta � Si __-suA Dft ELFV.=RL § n An <I9 'm''�'w Nr,07Y.10^.Wia'X I', FULLY PFfYCN.rA.A'�x'IEDTYFE] ORIFICE PLATE DETAIL SCALE: V = 5- ASSEMBLY THEUFIDER9IGNEDIEREBYAPFRDYE9THEATTACHED(4H`AGES II uolw THEFO.-G: VOLUME SCALE.I' IV 1B,8140F. NO LOADNG: • VOLUME - 16,614 OF SYSTEMAV=869.60 H2O1H26 KA-w9FRA�9NuENNGNa N@TO CPATEwn3 xAANouxAnom DF • MAINLINE PIPE GAUGE -16 croPwaaro�wwa Par • WALLTYPE a PERFORATED • DIAMETER=72" n",iA"oa °AN owrroAcer.NT oxwvv wrtK • FINISH=ALT2 - ��- ,.ac;vR:'mm''acAnaN w �_°'AiEirv9ive i ovorPrAe°Er • N , n ,LEI➢. t - -- � CONTECK connnucnon FRoourn wa C':TECH' CMP DETEIVTICN SYSTEMS qo a46110-001 RE-STORESTATION CROZET I VA P1 4 -- - - - - LAYOUT DETAIL - LAYOUT DETAIL - 5 ANT - � 2ONJNlIAARG➢gAgE /� V '--^ Ara LWOERMJ,euRm r0yE0P 0+TwOC COn4EC10R arw� _ _ __ OA•<rrOx c,•IVY,Re PA tr9 4AI ®oq,A9 GlAPP,M'.F➢EOWL N __ _-OEn�PE"Atuvita ro9L _ a;x 9roxlDww � 6�A A py,•gcci II __ __.. s artMu wnc�NwHLrrrH.rmro NO GASKET P agroPaclno rN�EP�Dono�xsyolXrGrronmu9r EE caurw<RnroAIJxEcanAN3 tA¢10NDA IN E UN9UITAm4rWNGntNxWtEixva9A+E EnCgYrRwEO 'DlwnecuvnT%mErvwLEE.uovEnuloePnumau4To�rcPACEmm,LwAy n�u CONNECTION DETAIL E i e'wAwiu'.""wYaso osi.'rivawraau vv"wL�vlecvEDnin:EaExwu � -`'' rr'EAMXFL EHY!ceAVAI.I2PLNgNYANnLPBRYAwro u y0RAN2LLA. EoiJw.U'xtP¢EA9APP'+OLm eY ixE 9iEEYGNFExN L �w9r;;MgrNo<EE;�am�ER�N.�AD.ESP•�.�TDw� SINGLE 80LT, BAR AND STRAP - FN9frY�• nICVN CFaK uc/w,� LM< 1 -ul 0 CawNa mA^EniiL fxulwulGflA LLEw�rngNLN ie cci'ix100Y. oN 01E CPc[s�T�A gEYN°%THE BAW LL9ML A1WOnHELFN EEEtEHtKw 9Y9TEMAT W.vanOnA.a.PFwo`v`[D 9ranaBvoln�"1°`v` , aN4N ���Yxuwa = . 9�.�A9TDLLGwA 2�DiyETENFJie AaEAnN41FD WIM9 POTwEltx9 wvE,a IXLFM'O a Nu0cE16 my /.„xUO� �NVO cax9�ei0N.LLLLTxi{'a1L'. WE.Ge OicfEn'slon9 1 II_.A ILL DETAIL P2 SCALE: n.TO. �1 H-12 HUGGER BAND DETAIL P2 SCN-E NT.e. Y��Tc u C<PERFORATEDT m,x - - �3�► 7� ] G E'�a .`NtlECH 00 44 11 - 1 8 0 H2 4 <ONSIAV<Ipn rlro<ucls ONE) CMPDDENOON SYSTEMS P L RE-3TORE'N STATION CROZET VA - LAYOUT DETAIL - 2 E1'�iiw•<YnuNJ'iot�e 1 r �±fPAn<n� - N nEPJm rwanm ar r •=yi f OIL iOPPE�>-MM � EEroPpA Nx EKTNANnW waENx09�EGONiWC10N 0e ,1 ttP. i� c"wyow w'�=rrEeueN"•xi':Erriirz:'izi eaui�E.PwiecmnLcgiwnavivAr.xunEo SECTION VIEW t! FIFE SPAN, AXLE LOADS 940 INCHES 9 1 xa 4 x0 �MWIM ;M CO i.4 14 sw (r-T)- IDI Ah �\ CONSTRUCTION LOADING DIAGRAM P3 SCALE NT.B. - EAv mP�E' o as P wnLin PmWrum TRAFFIC RATED FRAME A GRATE OR METAL PLATE 5 FRAME TO BE SEPARATE FROM RISER TO PREVENT ANY LIVE LOADS BEING DIRECTED ONTO RISER HEINFORDED CCNCRETE COLLAR UY OTHERS TO PREVENT LIVE LOA09 FROM BEING IMP08ED ON P16FA REINFORCED CONCRETE COLLAR AS DE810NED BY DIHERB A6 DESIGNED BY OTHERS TYPICAL SSHROCKN FLEX.BL= JOINT MATERIAL TO BE SELECT FILL USED A96F10WN ON FINPLORIDE BE TWEENh1EGOLL47ANDRISERTO AROLINORBERAREA-\ ACCESS CAP FINALGRAOE BAF LLORAL HOPE RSERPIPE RY THERE FrL--VENT WIEPAGFICN IPNO _.. _ __ CHU6HEUSTONE FILL BELOW' ------- ___ - - / COLLARANDAROUNDR,3ER \ - ;•• ✓ / SEE'SEALnNG DETAIL ,� -_- - -es \ < -4 Av \ -u`- av aaaa aaaa aaa - ON THE NEXT PAGE FOR COFONECTION9 BETAEEN � _S aaaaa aaaa � l IJ I II i I I i III I I II III I Y .x/ I l i II I I I� I II I __ THC11-WELD 1 II I -- j I IIII f I AROUND OPENING G OURCMAXXPIPE �, I DNUSH_RSEDEAFII -OPENIN SELECT XFPROPER"PLACE' IN TIN LIFTB)FORHOffTPIPEAREA \�„\\\♦ � I _ I I I I I 1 III 1 1 I I I _ - _- I I I I I / TYPICAL PIPE BEDDING - NOTE. 1.) THE NSERVALL HAVE TO BE ANALYZED PRIOR TO APPROVAL FOR REINFORCEMENT NEEDS PER PROJECT SPECIFICATIONS AND MANUFACTURERS / BUGG-ESTICNB. a b, Z)FINAL O.D. OF RISER TO BE DIFFERENT THAN I.D. THAT IS IDENTIFIED ON THE PLAN DRAWINGS PROVIDED. O.D. TO EITHER !• `'` BE SHOWN ON MANHOLE CAP DESIGN DETAIL OR AVAILABLE UPON REQUEST FOR DESIGNS OF MANHOLE CAPS BY PROJECT ENGINEER. END VIEW $ ELEVATION VIEW TYPICAL RISER DETAIL SCALE: N.T.B. i a :um'•0'ppj° _•'_�'• /� I T w ® Durk x' URBANIGREEN SRPE CISTERN-448110-002 %11a 002 11=12 %.►: MP RE-STORE'N STATION """ AAL ENE ..,_ CONS71,2ox PRODUCTS INC. A05 01<hal Way, 9vIU 113,�LInLLlhuvm, MD ]I090 CROZET, VA iooL xxx PROP08AL DMNWO SITE DESIGNATION: RWH CISTERN Nvwc TO gEV191G/GEs0T9Prlwr ar AA1.11111 1*140WS0 B0a1166611 FAX „LL P3 °�"."" • LAYOUT ]DETAIL - 5 QQ��a CURB INLET' FILTERRA pp ✓]�0`]-6�7 LLB j I /" PLAN VIEW STANDARD TRANSITION FROM ELEV 'A' MUST CURB AND STANDARD TO 13E HIGHER GUTTER DEPRESSED (TIP} GUTTER (TYP) THAN ELEV 'B' sLw9� --�- FlLTERRA THROAT _ CURE) INLET THROAT _ SO - GUTTER FLOW GUTTER FLOW DEPRESSED GUTTER AT FILTERRA BYPASS CURB INLET THROAT OPENING MP) FLOWLINE ELEV 'A' FLOWLINE ELEV'B' ELEVATION VIEW INTERLOCKING FILTERRA UNIT STORMWATER JOINT (TYP) tO STRUCTURE a O OUTLET PIPE N 1 (BY OTHERS) CONNECT > _ TO STORM ORAN L I• t PERFORATED EFFLUENT INERT OUT ]'-8' UNDERDRAIN SYSTEM ( ) STRUVTURE BY AMERICAST EFFLUENT IN (MUST BE LonEa) CROSS SECTION MODIFICATIONS OF DRAWINGS ARE ONLY PERMITTED BY WRITTEN AUTHORIZATION FROM FILTERRA DATE: 07-07-06 DWG: FLP-2 FILTERRA® TYPICAL FLOWLINE bw3oLF= J L(® '45L)1i1/L mow' OrpyHl&020VIbyAxekut AND OULET PIPE RELATIONSHIP us PAT s,2n,z7a AND 5.559.321 FILTERRA DETAIL REINFORCING TAB' E 0 C.MP "eE RISER A 00 REWORDING PRE5SU93URE ar 'Ernie own rttl i'`xm Mmxz ec�'W u tl,r D¢x 19L wd x �tllw«w• mlwocT:W ,- I,LEO 41 d%Yd utllwO W tlY<CEW ,}lo e°me•o w I��a evccPturw mamrnrx.AreO arEEEP,Peuu,rvzaOrrPex STELE ]iDee nY99PeGNGnOx OOYER9 iM1E uPxUFACNIEA„D,WTAlIwngVOP nEaXU,RsrED 9tEELPIPEF9PI DETNISD w,xE PlmzEE wwa. w.Ewr4 rvuaw,r: °H^u° N �N���A�PwEAeeocNnOn 9EETADEE-E_rwlE ROUND OPTION PLAN VIEW SQUARE OPTION PLAN VIEW � -s I.oEw.xxAccaPrlvice rn:KAAsx%In°Eamon. T.MA�n°Eu urwnarusmv.m4Guc4.m ro i„E.,n.rAwe Y�X : EhuL Eewxl.rAcrxmwxccwNrce ran, ncAPn-Arne a oci%K`cMa. Aoa£,w'11pcxaiss.mCOr.E,a"Po--VE w�r 9mea,rEEn ; .Ar+c„Noe« � _ P,mrcmuel,v9TAum9rumN.c,rw . c«�ErE9r„orx-y,maE °.o_wLoeElcrN9ronrA Encweenvc.9:xr.•Auiaarr. A%+EMia:uq OxACEOP • E� �Hi�f N91110 YAAU�E�N&I THEPEE AIEA GCE9 Axn aV MErnWECrPux9 arxEPwoDu<r sxxl ocoXrm:Hw>K rtl`Y9 T om v �1fYwr EC' �CaR xo 9reG.-.yNAErA ONWL rc9ip �� w�"rEwurr.m r41MANHOLE CAP DETAIL unlF➢9rG1ET3 �. rxE 9AVExM1A41E L3 SCALE: N.TA C�I':�ECH' aaalloLoot - '-'- <ermnuelnn rxro<um ela (MP DEENRON MTEMS RE-9TORE'N STATION = PgOPE CROZET VA _.__. SITE UESIGNATION:BWM UG POND LAYOUT DETAIL - 3 COUPLING LOCATION INLET ' (MAY VARY A --� B ----- ----- I �� '• A I I A I�,. \Yi A• I I .yy- I I -�- I t -'I I C 1 I I I 1 MODEL# FTRD 6X4 6B (D PLAN VIEW TREE FRAME & GRATE PLANT AS SUPPLIED CLEANOUT COVER CAST IN TOP SLAB BY AMERICAST CAST IN TOP SLAB (NOT SHOWN SP+ASH FOR CLARITY) PVC PIPE (BY BLOCKS TOP SLAB CONTRACTOR) FIOUw FILTER MEDIA PROVIDED BY AMERICAST D_ -I MULCH PROVIDED BY AMERICAST PVC PIPE PERFORATED UNDERDRAIN SYSTEM BY AMERICAST (BY CONTRACTOR) UNDERDRAIN STONE PROVIDED BY AMERICAST SECTION A -A MODIFICATIONS OF DPAIMNGS ARE ONLY PERMITTED BY WRITTEN AUTHORIZATION FROM FILTERRA OM1MN0 AVNIABLE IN 7F FILE FORMAT. DATE 10-15-10 DWG: FTRD 6x4 6 rl/72�Q��I��7 LMIL�L�S G�J (1® I 6xPRECASTFILTERRA ROOFF DRAIN CONFIGURATION c<P3H2�Loz6mlyn,aEHE,aL WITH &' PVC PIPED IN Its PAr Ban,2T4 AND 6.669.321 FILTERRA DETAIL Roof Drain Configuration Ir--1 vE' ce vE N•,vrn n,Enx mu wlnr Fuio rn�Em °r w9u1 'aii'r RITE ` er h -, IRA'P'1=fw_ u ` RUNo9PA�.,.o I •�Aw•xaE.yX•Pw,W<R<woranxwG q'A.A•ix9uRamcRNL ®EEP.rwmfaslEan W lw•ER'Frn¢vA „nw I a.v<a EaAxn .aA„n PLAN uA:ewud9iAVGPn u•�a STANDARD LADDER DETAIL wxrrlf°TAete° SCALE: N.T.S. x. y, [ P)f>a'Ho ET WELDS �I-�--�--- �•awY.: I� OF4AYgf9PER+/lX:ER 1-� _____ __� _____ fYWUV L I SECTIONA-A u 3ia I M1 �_-- e �y _ STANDARDLADOERDETAIL P3 Q) RISER LADDER DETAIL SCALE N.T.eI. afj I ua ELEVATION ~-7 COMM'CE ;iiIECH' 072" 448110-001 --- <omrnlcmn rRooum Ina CMPDRFTIONSYSTEMS RE-STORE'N STATION CROZET VA - e - �- PROPOSAL a P4 4 All GonteGh Structures to provide, /DOT ST-I at all risers into the SWM facility. LAYOUT DETAIL - 4 W. Nathaniel D. Perkins GERT. NO. 032304 r �_ h O T V V cV Lu O ry 1I Q m N 1 C Q �LCV 7Sm C V1 s _ N m v1 zZ-1 OzLu -�v }< O /y < N kj H J L 1 OL-a•'•• Lu f - ' n V 1 �- <uj I BMX(^v/ 4-IL•-� DE5161,1ED BY DATE NP a/II/II DRAHN BY DATE NP 9/II/II GHEGKED BY DATE FILE EDIT RSEG I - SGALE WA DRAHN5 EG-4 PLOT SHEET 4 OF 4 SN-4