HomeMy WebLinkAbout14_C 2.9_SEWER DETAILSSCALE: N.T.S.51UTILITY TRENCHSCALE: N.T.S.52SEWER SERVICE (CoB DWG NO. 20730-2)COMPACTEDBACKFILLSERVICE INVERTNO LOWER THANSPRING LINE OFSEWER MAIN FORWYE FITTINGSSEWER MAININ-LINE WYEFITTINGS FORNEWINSTALLATIONS.45° ELBOWPLUG2"x2" WOODMARKERSERVICE LINE: SLOPE =1/4" PER FOOT MIN.1/2" PER FOOT MAXPROPERTY LINE OREASEMENT LINEGROUNDSURFACEGREEN STEEL POST ATEND OF SERVICESERVICE PIPETYPE 2 PIPE BEDDING WHEREREQUIRED FOR SOFT ORUNSTABLE FOUNDATIONTYPE 1 PIPE BEDDING PLACED IN6" MAX. LAYERS AND COMPACTEDTHOROUGHLYSELECT TYPE 1 BEDDING MATERIALPLACED IN 6" LAYERS ANDCOMPACTED THOROUGHLYNOTE: SLOPING, BENCHING ORSUPPORT SYSTEMS SHALLCONFORM W/ O.S.H.A. CONSTR.STANDARDS FOR EXCAVATIONS.MOUND TRENCH W/ 6" NATIVETOPSOIL OR SUBGRADE PREP.AS REQ'DTYPE 'A' OR 'B' TRENCHBACKFILL AS PER PLANSTRENCH WIDTH = SEE SCHEDULEINSTALL DETECTABLEWARNING TAPE1.5' MAX DEPTH(SEWER)MINIMUM
DEPTH COVER6"4"SEE SCHEDULENOTES:1.SEE O.S.H.A. CONSTRUCTION STANDARDS FOR EXCAVATIONS.2.TYPE 1 PIPE BEDDING SHALL BE GRAVEL, GRAVEL-SAND, OR SAND. THE MATERIALSHALL BE WELL GRADED AND SHALL CONFORM TO THE SOIL TYPE GW (GRAVEL, WELLGRADED) OR SW (SAND, WELL GRADED) OF THE UNIFIED SOIL CLASSIFICATION SYSTEM(USCS). THE MAXIMUM SIZE GRAVEL SHALL BE 34 IN. TYPE 1 BEDDING CONSISTS OF MIN4", OR 18 THE OUTSIDE DIAMETER OF THE PIPE, WHICHEVER IS GREATER, UNDER THEPIPE AND A MIN. OF 6" ABOVE THE PIPE. PLACE IN MAX. LIFTS OF 6" USING HAND OROTHER COMPACTION METHODS W/O DAMAGING OR DISTURBING THE PIPE.THOROUGHLY COMPACT EACH LAYER.3.TYPE "B" BACKFILL - PLACE BACKFILL IN MAXIMUM 8" LIFTS WITHIN 3% OPTIMUMMOISTURE CONTENT, AND COMPACT TO AT LEAST 90% OF MAXIMUM DENSITY ASDETERMINED BY AASHTO T99 OR BY ASTM D698.4.TYPE 'A' BACKFILL: PLACE TRENCH BACKFILL IN MAX. 8" COMPACTED LIFTS W/IN 3% OFOPTIMUM MOISTURE CONTENT, AND COMPACT TO AT LEAST 95% OF MAX. DRY DENSITYDETERMINED BY AASHTO T99 OR BY ASTM D698.5.SLOPING, BENCHING OR SUPPORT SYSTEMS SHALL CONFORM WITH O.S.H.A.CONSTRUCTION STANDARDS FOR EXCAVATIONS.HIGH DENSITY RIGID FOAMINSULATION BOARD AS NEEDEDSCALE: N.T.S.5048" Ø MANHOLE (CoB DWG NO. 02720-3)NOTES:1.SLOPE ALL SHELVES TO CHANNEL AT 1" PER FOOT.2.ALL JOINTS BETWEEN MANHOLE SECTIONS, MANHOLE RING & TOP SECTION, AND AROUND SEWER PIPE INTO MANHOLE SHALL BE WATERTIGHT. JOINTINGMATERIAL SHALL BE "RAM-NEK" OR EQUAL FOR ALL JOINTS EXCEPT BETWEEN SEWER PIPE AND MANHOLE WALL.3.MANHOLES SHALL BE TESTED FOR WATERTIGHTNESS IN ACCORDANCE WITH DEQ CIRCULAR 2, SECTION 34.7. ONE OPTION IS TO VACUUM TEST THEMANHOLES PER ASTM C1244.CHANNEL = DIA. OF PIPEAAINV. ININV. OUTRIM ELEV.SLOPE AT 1" PER FOOTCHANNEL TO FULLPIPE DEPTHSECTION A-AFRAME AND COVER5.0" (TYP.)PRECAST REINFORCEDCONCRETE MANHOLE RISERAND ECCENTRIC CONE TOPMANUFACTURED INACCORDANCE WITH ASTMDESIGNATION C-478.SHELF-SLOPE 1"PER FOOTTOWARDCHANNEL.SEE SECTION A-A#4 BARS - 1'-0" c-cPRECAST OR CAST-IN-PLACE BASE. POURED-IN-PLACEBASE, MINIMUM CONCRETE THICKNESS BELOW PIPE IS8 INCHES. PRECAST BASE, MINIMUM THICKNESS IS 6INCHES. ALL BASES REINFORCED AS SHOWN.FLEXIBLE GASKETEDJOINT (TYPICAL FORRECAST BASES - SEEJOINT DETAIL)JOINT DETAIL℄MANHOLE STEPSAT 16" CENTERS12" MAX (TYP FORCAST-IN-PLACE BASES)GROUT INVERT TO SPRINGLINE OFPIPE IF GAP BETWEEN PIPE ANDCHANNEL IS GREATER THAN 18"CHANNELFLOWLINEMANHOLE BASEVARIES 4'2'7"ADJUSTABLE RINGS,2" MIN., 12" MAX48" MANHOLE: 48" DIA. MINSCALE: N.T.S.55INSULATIONNOTES:1.SEE CONTRACT SPECIAL PROVISIONS FOR ANY MODIFICATIONS TO STANDARDTRENCH MATERIALS AND/OR OTHER TRENCH DESIGN FEATURES.2.SEE O.S.H.A. CONSTRUCTION STANDARDS FOR EXCAVATIONS.WHEN INSULATION IS REQUIRED TOBE STACKED, OVERLAP 1/4 OF THETOTAL LENGTH OF EACH PIECE OFINSULATION1/4 LLHIGH DENSITY RIGID FOAMINSULATION1" = 1' BURY DEPTH, 4' WIDESHEETSSCALE: N.T.S.53MAIN SEPERATION (MPW DWG NO. 02660-2)NOTES:1.NO EXCEPTION TO THE MIN. SEPARATION REQUIREMENTS (VERT. OR HOR.) ISPERMITTED WHEN THE SEWAGE CARRYING PIPE IS A FORCE MAIN. ALL CROSSINGSSHALL BE ARRANGED SO THAT THE SEWER MAIN OR SEWER FORCE MAIN JOINTS WILLBE EQUIDISTANT AND AS FAR AS POSSIBLE FROM THE WATER MAIN BEING CROSSED.2.WHERE LESS THAN MINIMUM VERTICAL SEPARATION HAS BEEN APPROVED, THE NEWGRAVITY SEWER MAIN, OR THE NEW WATER MAIN, AT THE CROSSING SHALL BE MADEFROM A FULL LENGTH OF PIPE CENTERED ON THE CROSSING, AND THE CROSSINGANGLE SHALL BE APPROXIMATELY 90°. NEW GRAVITY SEWER MAINS CROSSING WITHIN18" OF A NEW OR EXISTING WATER MAIN MUST ALSO MEET OR EXCEED THEREQUIREMENTS OF "RECOMMENDED PRACTICE FOR LOW-PRESSURE AIR TESTING OFINSTALLED SEWER PIPE" (UNI-8-90, OR LATEST VERSION).3."L" IS THE LONGEST AVAILABLE STANDARD LENGTH OF PIPE AS SUPPLIED BY A PIPEMANUFACTURER.4.ADEQUATE STRUCTURAL SUPPORT FOR PIPES AT CROSSINGS SHALL BE PROVIDED.WATER ORSEWERMAINWATER ORSEWER MAINEXISTINGPIPEEXISTINGPIPENEW PIPEMIN.SEPARATIONDIST. = 10'VERTICALSEPERATION = 18"NEW PIPELCROSSINGSPARALLEL ARRANGEMENTL/2VERTICALSEPERATION = 18"NO VERTICAL SEPARATION REQ'DL/2LIF OVERALL DEPTH IS LESSTHAN 5', FORGO CONESECTION & INSTALL FLAT TOPCONCRETE LIDTOP OF PIPE MAY NOTEXTEND PAST INSIDEWALL OF MANHOL. ISNECESSARY TOP HALF OFPIPE MAY BE TRIMMEDOFF SMOOTH (8" Ø ONLY)4'2.5'SCALE: N.T.S.54DEEP SEWER SERVICE (CoB DWG NO. 2730-3)NOTES:1.DO NOT ALLOW THE RISER PIPE TO SETTLE DURINGCOMPACTION/BACKFILL. REFER TO PIPE MANUFACTURERRECOMMENDATIONS FOR CARE OF INSTALLATION.2.WHEN ROTATION OF TEE EXCEEDS 45° FROM HORIZONTAL, REFER TOUNI-BELL HANDBOOK FOR PVC PIPE DESIGN AND CONSTRUCTION.STEEL POST ATEND OF MARKERPROPERTY LINE2' x 2' WOODMARKERTYPE 1 BEDDINGUNDISTURBED MATERIALDEFLECT RISER PIPE TO TRENCH WALLDOUBLE BELL RISERADAPTERMAX. 45° BEND TO ACHIEVEREQUIRED ANGLESEWER MAINBACKFILL TRENCH ZONE
4" ABOVE TRENCH BOTTOM SERVICE LINE SLOPE AT1/4" PER FOOT MIN.BEND COMBINATION TOACHIEVE REQUIRED ANGLEDOUBLE BELLRISER ADAPTERBEND COMBINATION TOACHIEVE REQUIRED ANGLEBACKFILL TRENCH ZONEPIPE BEDDING ZONE
C2.9AS NOTEDSEWER DETAILSBMHEC Nov 20, 2023 - 9:09pmCAD FILE: M:\203430\Drawings\PHASE 2\CONSTRUCTION DRAWINGS\2.10 - SEWER DETAILS.dwg
REVISIONSDATEPROJECT NUMBERHYALITE Engineers, PLLC2304 N 7th Ave. Ste. LBozeman, MT 59715Tel: (406) 587.2781w w w . hyaliteeng. comFax: (406) 522.92252018URBAN + FARM BOZEMAN, MT11.17.2023203430PRELIMINARY 22x34 ORIGINALSSCALESHEET TITLEDESIGN BYLAUREL PARKWAY LLC11 LONE PEAK DRIVEBIG SKY, MT 59716PHASE 2 MONTANABRETT C.No. 29106 PEMEGAARDPEFORSOILNASREN
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