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HomeMy WebLinkAboutWPO201800088 Plan - Other (not approved) 2019-12-265WM A5-13UILT EXIST NEW DESCRIPTION_ 16P TC x 12-' TC TOP OF CURB ELEVATION 166 x 125 SPOT ELEVATION 164-rw x 125 T,v TOP OF WALL ELEVATION leaw x 12'BY/ BOTTOM OF WALL ELEVATION BENCHMARK - = STORM SEWER RD ROOF DRAIN = r} = SEWER LINE - alw _-- 6"ti WATER LINE -- a"s CAS GAS LINE ME CHE OVERHEAD ELECTRIC WIRE —I% - UGE UNDERGROUND ELECTRIC ----- fm -- - CHT OVERHEAD TELEPHONE LINE - - Y3r ucr UNDERGROUND TELEPHONE LINE E I - DRAIN INLET (DI) 0 STORM/SANITARY MANHOLE E C PLUG v aV WATER VALVE & BOX A& 40- FIRE HYDRANT M,,> o �� WATER METER LIGHT POLE .W UTILITY POLE PROPERTY LINE ADJACENT PROPERTY LINE VACATED PROPERTY LINE -:� BUILDING SETBACK PARKING SETBACK ___--- SANITARY EASEMENT GRADING EASEMENT DRAINAGE EASEMENT �UTILITY EASEMENT - WATER EASEMENT ACCESS EASEMENT STORM DRAINAGE EASEMENT �^ TREE LINE ---- FENCE STREAM 312 12 INTERVAL CONTOUR —300-- oo INDEX CONTOUR CG--2 CC-2 STANDARD 6" CURB OG- CC-F COMBINATION 6" CURB & GUTTER . s.-a CONCRETE PAVEMENT / SIDEWALK RIPRAP ASPHALT GRASS EC-2 MATTING EC-3 MATTING WETLAND ra ra PARKING COUNT CROSSWALK HANDICAP ACCESSIBLE AISLE LID CG-12 HANDICAP PARKING NOTE: 1. THE SIZE OF THE SYMBOLS MAY VARY FROM WHAT IS SHOWN. FANTOP5 CORNER V14CINITY MAP SCALE: lww�1,000w .� k7 5 }, SITE FtJ' u;r� AGx gig CEFI ter` 6 x� . R� kL• R. 41 3 Goa I-'G jq. IMA(-,F PRC)VII)FF) RY GCX)GI_P MAPS C I - COVEK SHEET C2 - SWM SYSTEM A5-MILT C3 - SWM A5-ICU I LT DETAILS OWNER / DEVELOPER PANTOPS CORNER LC PANTOPS LC 12704 CRIMSON CT STE, 101 12704 CRIMSON CT STE. 101 HENRICO VA, 23233 HENRICO VA, 23233 LEGAL REFERENCE: DB 4358 PG 684 ZONING: TMP 78-5A, 5B HC - HIGHWAY COMMERCIAL, EC - ENTRANCE CORRIDOR TMP 78-58G1 HC - HIGHWAY COMMERCIAL, EC - ENTRANCE CORRIDOR PER APPROVED APPLICATION PLAN. ZMA 2013-00002. SOURCE OF BOUNDARY & TOPO BOUNDARY & TOPOGRAPHIC SURVEY INFORMATION FROM FIELD SURVEY PROVIDED BY ROGER W. RAY & ASSOCIATES, INC. ON MARCH 23, 2018. FIELD VERIFIED BY SHIMP ENGINEERING, P.C. (11/21%18). BENCHMARK(S): NAVD88, NAD83 VA STATE PLANE SOUTH SOURCE OF AS -BUILT T AS -BUILT SURVEY INFORMATION FROM FIELD SURVEY PROVIDED BY ROUDABUSH, CALE & ASSOCIATES. ON OCTOBER 30, 2019. DETENTION PIPE INSPECTION & WALKTHRU BY SHIMP ENGINEERING, P.C. ON OCTOBER 03, 2019. BENCHMARK(S): NAVD88, NAD83 VA STATE PLANE SOUTH FLOOD ZONE ACCORDING TO THE FEMA FLOOD INSURANCE RATE MAP, EFFECTIVE DATE FEBRUARY 4, 2005 (COMMUNITY PANEL 51003CO287D), PORTIONS OF THIS PROPERTY LIE WITHIN THE ZONE AE 100-YEAR FLOOD PLAIN. AS -BUILT NARRATIVE THIS AS -BUILT WAS CREATED FOR THE 80% RELEASE OF THE STORMWATER MANAGEMENT BOND FOR THE UNDERGROUND DETENTION SYSTEM. THIS AS -BUILT ONLY SHOWS THE DETENTION SYSTEM DETAILS. THE DETENTION SYSTEM WAS FIELD OBSERVED BY SHIMP ENGINEERING TO HAVE BEEN BUILT PER PLAN. THE DETENTION SYSTEM WAS OBSERVED TO HAVE ADEQUATE STONE BEDDING, ADEQUATE STONE BACKFILL, ADEQUATE FILTER FABRIC WRAPPING, AND ADEQUATE PIPE INSTALLATION. SHIMP COMPLETED A WALKTHROUGH OF THE INSTALLED DETENTION SYSTEM TO CONFIRM THAT THE SYSTEM WAS SOILTIGHT AND IN GOOD CONDITION. DETENTION SYSTEM MAIN ACCESS: 38.036166',-078.452745' s '-rrtnrrtf Community r7velcsrriertt Cowltruction Record Drawings (As-huflt) for WNW The futlowing is, a list of info..mialion requifed on:cons rt edo record drawings for st rniwater facilities (refer lie Water ProtecCvtjo OrdinAnce 7-42- 2). It is fxrable that the construction record drim"Ing be prepared by srp.meone orher thaw ihedesi n gner- Pleaw do not r vi defign.. dralwingff as construction record' dr v ings. A. A aigned and datW proll Pssirrnaal seal of tho pfcparing en inr r or surveyor. B. The name and .ad dress of the fire: and individual preparing the drawings on the title sheet. ;: 71te coristru d location of all Awns as"'-o6 t d wii 1 cae t'acilityand 1110 ittsspection records to Verily proper dirnensiGns, rual� rials and installation. Tha iterns iaacll: del - urt are not li"ted to 1-ho following: 1 � Inspection R cor4 and pia ra raphs for pig trenches and he dir1g; inot adin under= aims, 2, Video Pipe inspection for any f'iipos hieh aru not attcccs�gble tw vimable.. 3. Updated Location with coordfliates of all militia �4�'. =i a Verified Drainage Area maps figs the drainage area Ire le1T an 1 or drainage to the 5. Current physical a nd topognaphic survey for all earthen stralclwe . Poitr s s,hould iri ltic�� a1 �t1r�ra of llte pond bottom., Surveys, hould `'t rify pond volunims are, per flesig 1: Corrections may he required fur alterations Tenet the ticsign. Plants'. location -and type. . Plains and pro l s for all culverts, Pipes, Risers, Weirs and f raffiagil StruOures - Display the it tarlled type -of drainage structures. ulverilp-ip size, weirs, materials, Inlets Tar -egad tr aatment(s), inlet and outlet protection, ali tta'ta� t alld invert 0evatiOns compared to design, m Otmpnta.ti nsa Forsignifficunt diuviaLions fro e design, piovide sf.atcdl compuf ations verifying yang that the -built condition is equivalent or better than design, 9, Bitch Lin [X%pl .y the coustruccled location of all ditch limm and chatinels, including typical Sections arrtd linings. 10. Easements - Show all platted easerr enbi whin dead hoo .refer vices labeled. e Facilities and dr nap raft fay i- h rt plated caisuttront . 40 ide co pi o tec rded ducda mni- t . I I. Guardrail, fences or rater safety prov1sio - Display tine constracted ltacati rt of all safety pr'ovisiorts; enc es- u drail, inclrrdira� the type, length and applied etad treatments, COtTrpared to design; 12.. Material layers - hlnlilt r media, stone layers, wand layers, keyways and corn; midst b -v rifled as to ala.ten- l types anal depth', h1cl adc 111 i.a iction reports, boring or test pit reports and aataterials €tiliatin. l3ifiltt r rrtiidt rtatat h an apprrltaai 13, ccr roads -show location ofa e"is roads. surface trea.l_rr ent, drainagg� etc, as applicahle, 1 F Compaction reports are re-(Iu'ffcd to verify 'rill coatWac ton in daains. 15. Manufacturers certif r aiinaas for praa rietary Bf IP's certifying proper installation and functioning. v Ji� . SHIM 5- Lie. Ilk EGIN PROFILE STA. 10+ 00 ).0 INV \ t z„ \ 30 0 30 60 90 Seale: 1 "=30' ��1 mil, o~ -, u JU ' N M. SHIMP ic. o. 45183 PROP. GRADE ELEV=374.5 ACCESS RISER L-PAVEMENT NOT W. LADDER COMPACTED SOIL YET INSTALLED ACCESS RISER BACKFILL CBR=10.0 WLADDER EX. GRADE US 160 NW US 160 NW FILTER FABRIC FILTER FABRIC (TOP) (TOP) EX. GRADE _ __ ------ _-- Ee =IQTOP STONE-363.00 _ _m____ _________ ___ us160NW I FILTER FABRIC (SIDES) 2' MIN. OVERLAP (TYP.) US 160 NW FILTER FABRIC (SIDES) 2' MIN. OVERLAP ACCESS RISER W. LADDER ACCESS RISER W. LADDER PROP. GRADE PAVEMENT COMPACTED SOIL BACKFILL CBR=10.0 US 160 NW US 160 NW FILTER FABRIC FILTER FABRIC (TOP) (TOP) 10 1a- ?$-® rg1%• STONE 1 57 STONE - 4�4 w = =I r�E 1' 7 STO A� .� e ; Ea„% ,w Ais�'"Y 'J i F�'¢tT„, 11�✓. r V.s`�gr ..�.,�r,. • G 96" PERFORATED CMP` 96" PERFORATED CLAP`' 96" PERFORATED CMP 2-YR WSE 361.32 CMP TEE CMP TEE CMP TEE PER PLAN (TYP') P R�FLAN (�•) PE ,PLAN •) 0 .0 PE; ,PLAN 96" PERFORATED CMP 96" PERFORATED CMP 96" PERFORATED C O' LADDER WELDED SPACING (�') SPACING (fir) SPACING (TYP.) TO CMP c LADDER WELDED SI 4.. LADDER - I TO CMP INV F1 NY ELEWW���'` � t uT s{ �� Y E 1 T+D�I 57 STONE 57 NE STONE i # � t 7 STONE _ 1 # I� �w ,. .T 011k x i #5 `i 0!! I --=�Pj�:) NOTE: FILTER FABRIC SHOULD NOT BE PLACED ON TRENCH BOTTOM SOIL SUBGRADE PER-j MANUFACTURER SPECS rT� UNDERGROUND DETENTION SECTION SCALE: 1"=5' - - NOTE: WEIR PLATE IS 12 GAGE PREMANUFACTURED ALUMINIZED STEEL REINFORCED & WELDED TO CMP DETENTION PIPE WELD LADDER ONTO TOP ELF®363.10 BOTH SIDES - - - 100-YR ELE=364.59 - TOP ELE=363.00 LADDER ON BOTH 10-YR ELE=362.85 16 GAGE ALUMINIZED STEEL 37 s 'Y -® DI - Y1RE TRASH . b, ELE APPROX460.62 TO INSIDE OF CMP PIPES. MIR N p S ELE=360.72 WIRE TRASH SCREEN. WELD LIK WEIR °"°, (B) TOP TRASH RACK - - - - ROX 2-YR ELE=359.24 - TO INSIDE OF CMP PIPES. g,00'� IaI i- 3"x8" ORIFICE ELE=358.20 30 R�KV " ADS HP-;l3"ttS" 115 ORlFiCE ,� "I1 =10PSH 4.00 4.00' Iili( � i1,€ I I �_ � � � �,TALLED � . . ` �` �� '�' R4.0' ILs?.,t(1 R4.0' ;`� INV ELE=354.00 7 ORIFICE 7 �" 0 INV ELE=354.10 O! 1FiCE 3 TRASH SCREEN DETAIL DETENTION WEIR PLATE DETAIL SCALE: 1"=5' ELEV=377.5 (HIGH END) -CMP TEE 2-YR WSE 361.32 PE PLA P =. LADDER WELDED SPACING TO CMP LADDER WELDED-,,, , TO CMP ^•t6 r 1 #57 STONE K7 Y NOTE: FILTER FABRIC SHOULD SOT' PLACED ON TRENCH BOTTOM ACCESS RISER W. LADDER ACCESS RISER W. LADDER GRADE NY ELE=354.30 wv rI F- n _3.ri4 n t #57 STONE 7 STONE J 2' MIN. OVERLAP (TYP.) US 160 NW I FILTER FABRIC (SIDES) \-US 160 NW I FILTER FABRIC (SIDES) 2' MIN. OVERLAP 4" MIN.i 30" CMP ACCESS RISER 30° CMP ACCESS RISER 30" CMP - >_.� �, A�• 01 ,,4 of x R � ` Yu'# + "�� � p� ACCESS RISER 4" , ,^� UPTURNED 8' CAP ELE=366.00 eTrM CMP W. CAP au>r 3.00 CMP w4.CPREMANUFACTURED g ARISK STUB si RISER STUB TOP ELE=362.00 ELBOW JOINT rj -4,00' // 9' WEIR PLATE < / 9' WEIR PLATE I 8' CMP I \/ i l Z8, CMP ELBOW INV 8..E=354.10 i INV ELE=354.00 ADS HP -STORM DETENTION BARREL I DETAIL SCALE: 1 "=5' AS -BUILT CMP DETENTION NOTES: 1. MINIMUM TRENCH WIDTH PER FIELD OBSERVATION: 1.5D + 12". 2. MINIMUM EMBANKMENT WIDTH FOR INITIAL FILL ENVELOPE: 3.01) BUT NO LESS THAN D + 4'0". 3. FOUNDATION SHALL BE WELL CONSOLIDATED & STABLE, CAPABLE OF SUPPORTING FILL MATERIAL LOAD. 4. OPEN -GRADED GRANULAR BEDDING MATERIAL SHALL BE A RELATIVELY LOOSE MATERIAL THAT IS ROUGHLY SHAPED TO FIT THE BOTTOM OF THE PIPE, 4" TO 6" IN DEPTH. SUGGESTED PARTICLE SIZE OF 1 /2 CORRUGATION DEPTH. AS -BUILT BEDDING MATERIAL: #57 STONE 5. PIPE MATERIAL: 14 GAGE ALUMINIZED PERFORATED CORRUGATED STEEL PIPE, 5"x1" CORRUGATIONS. 6. HAUNCH ZONE MATERIAL WAS OBSERVED TO BE HAND SHOVELED INTO PLACE. 7. THE BACKFILL MATERIAL SHALL BE A FREE -DRAINING, ANGULAR, WASHED -STONE PER AASHTO M 43• #57 STONE WAS USED FOR BACKFILL. MATERIAL WAS PLACED IN 12" MAXIMUM LIFTS AND WAS WORKED INTO THE PIPE HAUNCHES BY MEANS OF SHOVEL -SLICING, RODDING, AND VIBRATORY PLATE TAMPER. 8. 90% STANDARD PROCTOR IS ACHIEVED OR WHEN NO FURTHER YIELDING OF THE MATERIAL IS OBSERVED UNDER THE COMPACTOR OR UNDER FOOT. THE PROJECT ENGINEER OR HIS REPRESENTATIVE MUST BE SATISFIED WITH THE LEVEL OF COMPACTION. BACKFILL WAS PLACED SUCH GENERALLY EVENLY ALONG THE PIPES FOR CONSISTENT LOADING. 9. FINAL BACKFILL MATERIAL SELECTION ABOVE THE SPECIFIED STONE LAYER IS COMPACTED SOIL BACKFILL, MIN CBR=10, PER PARKING LOT PAVEMENT DESIGN SECTION IN THE PANTOPS CORNER SITE PLAN. 1O.MIRAFI 16ON GEOTEXTILE WAS USED AROUND TOP AND SIDES OF STONE BEDDING TO PREVENT SOIL MIGRATION. 11. FOR MULTIPLE BARREL INSTALLATIONS THE STANDARD SPACING BETWEEN PARALLEL PIPE RUNS WAS IS DIA/2 = 48". 12.DETENTION PIPES ARE SOILTIGHT AT JOINTS BY USE OF GASKET AND HUGGER BANDS. THIS WAS CONFIRMED WITH A FIELD INSPECTION AND SYSTEM WALKTHROUGH. 37` 37t 365 360 355 i _.._ -- --- P. J LLJ ao �00 Q!_-o L - , � _ m oQ � _C_ SEE-. DETAIL _ w_._�.w_.___.. ___e_.__..._._.___. w. _.u._ ._._1--ACCESS. RISER ,.,-____ (SEE DETAIL) GRADE �., PE PIPE TOPSTONE FILTER FABRIC .TOP 363.0 .. x .. ... ... n. S>m•'1� ..! �.�5 . Sn 9. " '.. ,.. , .. x .: , .. o .. .. ., a ....n s -. '.� r ,: .. , ,. ... a.. ... �. , ,+ , ... .. .. yr ., .. F r. .. s 9 . I yam. 'ri. f _> ].. ' 120 0 72.0' CORRUGATED PERFORATED ALUMINIZED STEEL PIPE { 3 GGER. BAND :W , 80 v . •-.72 LF CORRUGATE 24,128 CIF TOTAL PIPE STORAGE SKET AT CMP a 9 NTS LOCATION t { u PER MNUFTR SPEC ALUMINIZED CMP PROVIDE MIN. 23,625 CIF {iYP.) Y 1 ... r.>:«..,.. a ,...,..,u,w... x ... , ..u>=, .a urnx,,...........,..m - .,.... a,....,.,..e., . ,. ., PIPE STORAGE..... �, .n,........... .,.. ..,....,.. - ....,.,«,.., ..>,.,....:. I F x-q � rE' � i f f r i R .: Y AL r .. { <v f if E 317777777777+ ? r. .. { i tT r�� ) Y `� :: ➢ 4.. 5 .!�': 1 J 'f . 1: 5 1 i.. T.. r' y . ; � a k t� i 4 � F' 4 '.t 4„ !, d 3-....A.. ^....;., j ,. ,>,,}..3 •,47 .7': .f., .,x ,- .,. ,..,.r .� r .. .. p T 5 t 4 a, ..,;.. �.,..:...,. .r.k., 5{ .... . ............. ...........i„:....5 .... L...,. 3...:..,...,..,...,.,...:,...,:.,.,.. OTTOM NONE ........,,..o.,: .........,.. ,.,.v,:,. L .. 353.Oa ... HUGGER BAND W. GASM-AT-CMP"jUai � RISER SETUP TO BE CONFIRMED � r- FOR THE 5 RISERS IN ASPHALT PARKING LOT, PROVIDE 5' DIAMETER CONCRETE SUPPORT SLAB 4" THICK, 3000 PSI. PROVIDE MIN 4" GAP FROM TOP OF CONC. TO RISER RIM ELEV. TO ALLOW ASPHALT PAVEMENT COVER. PROVIDE 6" VDOT #21A GRAVEL BASE UNDER CONC. RING. WELD LADDER TO ACCESS RISER. CONTINUE LADDER DOWN TO 8' CMP DETENTION INVERT 300 CMP RISER r6_� ACCESS RISER DETAIL C3 SCALE: 1"=5' 10+50 IWM "-.) 1 2 UNDERGROUND DETENTION TYP. PROFILE BARREL 4 SHOWN C 3 SCALE: VERT: 1 "=5' HORIZ: f =10' - 0 ,"")q °q 00fj tl0 00 g ] p 9C Ob 00"0000 °0 4p4° oa p�u 3D ItitrE ET.i`�3' {G` a• I I..., .... ... n&rT T t l 1,- S• , i i II �C'('I.tfttl 11 t 11 I !s .i.. [I.M1) rPR%SiI (LACK New Trash Rack 1" Holes 30% Opening Area co 0 12" Typ. Front .section J _ 00 00 r - - 12„ 6'B (A) Bottom Rack (B) Tap Rack Side Section Side Section 7 ORIFICE TRASH RACK DETAIL C 3 SCALE: 1 5 TYPICAL SECTION f0&ffNSiQC MAY VRY HTTH wAUFADiur�Rs ❑ESK,'M 375 370 365 KurtI N&I 350 11 +00 GALVANIZED STEEL STEP ST-1 i &E G'RSAE SD. R ORCNO ROO 6i _D N A I.aZ6.'-.ILY! :RSISTHIT 11"ER M OTWR MAr l TIOdik. APPROVEO RY THE Ehl3FER. U M. SHIMP r LD#ENSM MAY WRY WITH MMUFACTURERS DESIG:kO � AIDN RE515TANT o. 5)AATM183 Rfl1�ORmVO RC9 ,��+T � � RAL SECTION (� I # STTtUGT S WITH A O Tll LW OTFERNIGE lDTTDD ON TM PLAITS. EE 4Y3" FROM DN E FKE OF MNPe e+ FOi.CE CF 3D0 FGliDS MHQV •KL Cf THE SLFPORI. Y A21['.H%O -i i ORU&Y SPACED FOR T}E ENrH= DEPTH OF ANY STRUCTtI.'<. N PWCA4T MTS STr S WAY RE CAST N PLN.E MCRitirEu WD HOLES PROVIDED DY TEE. FAMJCATOi1, ON Df6YET1, '8 WS" OF 3- EWBEDMENT STEPS pPFER11K3 W DNEN61WJ5. Ci.%SIDURA OR Ib1TERltiS FROM TIfOSE SHOWM MAY PLED DE LLSED D Tf£Y NcET THE 1"dIPdUM ItEOI,KIf6ENTS9mBM N%3kON AND Tiff CONIPACTCR HAS FDPNI"ait"cD Tk✓£ ENGNEER iNTll OET/3LS AND CERTIF- TE5T REFT:FTTS OF TFE FROPOSEO SWSIIIUIE NtiD FWS RECETYED maTl'E]I fPPROY% FROM the ENGINLTR FOR THE DSE CF 51K9/ STEP5. AEJ- STEPS LIH AS r NO FRONCE. O 4FP-F:E"LEO 9RRFACES SVCH AS uJf fmY iAdITED TO. COT�UCATED KNtFN_E0. OR DILfT_D 5Uf>F'KE3, PUJIN " STEPS SHA1 BE F!£YIICATED A ACCORDANCE ftnH ASTN D21, ALLAY rv005-T5_ Tw1T FOKIIDPI CF ThE STEP E}tCASID N NlSGYiTY R DE UNFGRkl.Y COATED )YRN A DITLhM/WS 5{:tYEKr TY?E'A�FSTba• FLLED AllARidlY r'KidENTED COhTING EGNFOfbdNO TO EDERAL SPECIFTCATICH TC-CiXl4 / C ALUMINUM STEP '\VCOT STANDARD STEP ROAD Am DPoOGE srt.DARr VIRGPCA DEPART W OF TFtMEPORTAT10f1 111111111 DATE SLEET i OF 1 i1O_ 8 MIN. LADDER STEP DIMENSION ti Standard Hardware (Typ.) ELEVATION VIEW Neoprene Gasket I 24" Wide Band Standard Hardware (Typ.) SECTION 'IE ' r10'_WMP MUGGER BAND DETAIL SCALE: 1 "=5' RIVERTGD CUP. CR HPLICxAL W I EN IVINULM ENPU f RVED.SHLETSEGTIOPJ VVE? GED TO RA 4D (3,MAF GAGE) -C,% M GASKET RE00 4 'ORs01. NGHTr`Nr; ;5 -r liv) W vI SPgr NO ER u6t�461T hiIN.l.r IC7T'1t SKIP 4VEturENT T• LONG 9N 8' CENTERS INC; CAsKr7 JOPTIONAL} TOP VIEW SECTIC3N A -A a IFleoHwGaDaJn f� r-ONNECTION DETAIL DOUBLE BOLT, BAR & STRAP 1 CMP SLIP JOINT DETAIL j SCALE: 1 "-5'