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HomeMy WebLinkAbout038 Civil Details-3MIN.6"¾ - 2 INCH CLEAN,CRUSHED, ANGULAR STONESC-740 END CAP w/ 24"ØISOLATOR ROW INLET6"30"51"GEOTEX 601 NON-WOVENFABRIC OR EQUIVALENTSC-740 CHAMBER, INSTALL GEOTEX601 NON-WOVEN FABRIC ALLAROUND ISOLATOR ROW BETWEENCHAMBER & ANGULAR STONE6"6"MIN.WELL DRAINING GRAVEL AS NEEDED TOREACH NATIVE GRAVEL LAYER(GEOTECHNICAL ENGINEER TO CONFIRMDEPTH TO SUITABLE NATIVE GRAVEL)NATIVE WELL-GRADED GRAVELVARIABLE90.7" ACTUAL LENGTH85.4" INSTALLEDNOMINAL CHAMBER SPECIFICATIONSSIZE (W x H x INSTALLED LENGTH) -CHAMBER STORAGE -MINIMUM INSTALLED STORAGE -WEIGHT -30.0"51.0" x 30.0" x 85.4"45.9 CUBIC FEET74.9 CUBIC FEET74 LBS.51"ABACMATERIAL LOCATIONDESCRIPTIONCFILL MATERIAL FOR 6" TO 18"ELEVATION ABOVE CHAMBERS(24" FOR UNPAVED INSTALLATIONS)EMBEDMENT STONE SURROUNDINGAND TO A 6" ELEVATION ABOVECHAMBERSBGRANULAR WELL-GRADEDSOIL/AGGREGATE MIXTURES,<35% FINES.CLEAN ANGULAR STONE WITH THEMAJORITY OF PARTICLES BETWEEN¾ - 2 INCHFOUNDATION STONE BELOWCHAMBERSACLEAN ANGULAR STONE WITH THEMAJORITY OF PARTICLES BETWEEN¾ - 2 INCHAASHTO M43DESIGNATION3, 357, 4, 467,5, 56, 57, 6,67, 68, 7, 78,8, 89, 9, 103, 357, 4, 467, 5,56, 573, 357, 4, 467,5, 56, 57N/AN/AA-1A-2A-3AASHTO M145DESIGNATIONCOMPACTION/DENSITYREQUIREMENTCOMPACT IN 6" LIFTS TO A MINIMUM 95%STANDARD PROCTOR DENSITY. ROLLER GROSSVEHICLE WEIGHT NOT TO EXCEED 12,000 LBS.DYNAMIC FORCE NOT TO EXCEED 20,000 LBS.NO COMPACTION REQUIREDPLATE COMPACT OR ROLL TO ACHIEVE A95% STANDARD PROCTOR DENSITYACCEPTABLE FILL MATERIALSSTORMTECH SC-740 CHAMBER SYSTEMSNOTE: THE LISTED AASHTO DESIGNATIONS ARE FOR GRADATIONS ONLY. THE STONE MUST ALSO BE CLEAN CRUSHED ANGULAR.STORMTECH ENDCAP,TYP. OF 2WRAP WITH GEOTEX601 NON-WOVEN FABRICOR EQUIVALENTCONNECTCHAMBERS,TYP.CHAMBER 1CHAMBER 1024" HDPE OUTLET PIPE TOCHAMBER, BOTTOM OFPIPE FLUSH WITH BOTTOMOF CHAMBER24" SOLID TRAFFICRATED LIDINSTALL 1 ROW OF 10 CHAMBERSINSTALL PER ISOLATOR ROW STANDARD24" SUMPELEV. 4803.60'8.0'(96")48" I.D CONCRETE STANDARDSTRAIGHT MANHOLE PER COBSTD DTL 02720-46" PRECAST BASE3.0'(36")EL. 4795.60'6"INV. OUTEL. 4798.1'6"12" NYLOPLAST INLINE DRAINBODY w/ SOLID HINGED COVER(OR APPROVED EQUAL)8"Ø PVC OVERFLOWOUTLET TO STREETSTORM DRAIN INLETELEV. 4800.75'8"Ø PVC INLETFROM ROOFDRAINSELEV. 4800.00'INSPECTIONPORT6" SDR35 PIPE3.0'(36")PLACE TOP OF GRATEBELOW ADJACENTFINISHED GRADEGRATE MODELT.B.D. BYLANDSCAPEARCHNDS 9" DEEP HOUSINGSPIGOT ADAPTER ORAPPROVED EQUAL4" SDR35 PVC DRAIN PIPE,CONNECT TO SEDIMENTCATCHMENT MANHOLE,INSTALL @ 1% MIN. SLOPEPROJECT ELEVATIONS:EXTG/NEW FL EL: 4802.70NEW TBC EL: 4803.15EXTG 6" INV. IN EL: 4798.58EXTG 8" INV. OUT EL: 4798.50NEW 8" INV. IN EL: 4799.00INLET CASTINGTBC EL: 4803.15'12" MIN. SUMP0.5'VARIES2'SEE LANDSCAPE PLAN FORSURFACE TREATMENT4:1SIZING NOTE:SEE SHEET C1.2 FOR REQUIRED SIZES,DIMENSIONS & ELEVATIONS.BIM FILE PATH:SHEET NO.:TITLE:COPYRIGHT2022 SMA, P.C.REVISIONS:KEYMAP:ARCHITECT SEAL:PROJECT:PROJECT LOCATION:PREPARED FOR:LOGO:CONSULTANT:PROJECT NUMBER:DRAWN BY:CHECKED BY:TEAM:PHASE:DATE:PROJECT NUMBER:22-0242022-0-11File PathBG MILL CONDOMINIUMS22-02414 EAST MENDENHALL STREETBO=EMAN, MT 91OZQeUSPR SUBMITTALNR.DateReYiViRQ DeVFUiStiRQSPR SUBMITTALHELENAP: 406-442-4933BO=EMANP: 406-219-2216www.sma.design2150 Analysis Drive, Ste. BBozeman, MT 59718Phone: (406) 585-0590info@bridgerengineers.comBRIDGER ENGINEERS, INC.CIVIL and STRUCTURALENGINEERINGPROJECT MANAGEMENTBEIC2.2STORMWATERDETAILSMMDMMD