HomeMy WebLinkAbout44.6_C 4.17 STORM DETAILS (CONT.)SCALE: N.T.S.748" DIA. CURB INLET FOREBAYSCALE: N.T.S.636" CURB CUTASPHALTRIP-RAPPLAN VIEWCONCRETE APRONCONCRETE APRONFLUSH WITH GRATEEND CURBCROSS SECTION VIEW A-AAASECTION VIEW24" CURBASPHALT24" GRATE RIP RAP48" DIA. FLOW-OVER FOREBAY MANHOLE 48"ØRECTANGULARGRADE RINGS
48" ØCONTRACTOR TOGROUT ANNULARSPACES3" TALL X 12"WIDE SLOTS 4ROWS OF 3EACH FORTOTAL OF 12.RECTANGULAR
GRADE RINGS3" TALL X 12"WIDE SLOTS 4ROWS OF 3EACH FORTOTAL OF 12.6" PRECASTSOLIDBASE6" PRECASTSOLID BASE4 FT DEPTH TO PROVIDE
PRETREATMENT
4 FT DEPTH TO PROVIDEPRETREATMENT
INLET CASTINGEJIW 7030 O.A.E.TBC ELEV.RIM ELEV.RIM ELEV.PLAN VIEWSECTION VIEW1" TO 1 12 " WASHED ROCK ONUNDISTURBED SOIL A MINIMUMOF 12" THICK1" TO 1 12 " WASHEDROCK ONUNDISTURBEDSOIL A MINIMUM OF12" THICKTOP SLOT TO BELOCATED 2' BELOW TOPOF MANHOLE
MATERIAL LOCATIONDESCRIPTIONAASHTO MATERIALCLASSIFICATIONSCOMPACTION / DENSITY REQUIREMENTDFINAL FILL: FILL MATERIAL FOR LAYER 'D' STARTS FROM THE TOP OF THE'C' LAYER TO THE BOTTOM OF FLEXIBLE PAVEMENT OR UNPAVEDFINISHED GRADE ABOVE. NOTE THAT PAVEMENT SUBBASE MAY BE PARTOF THE 'D' LAYERANY SOIL/ROCK MATERIALS, NATIVE SOILS, OR PER ENGINEER'S PLANS.CHECK PLANS FOR PAVEMENT SUBGRADE REQUIREMENTS.N/APREPARE PER SITE DESIGN ENGINEER'S PLANS. PAVEDINSTALLATIONS MAY HAVE STRINGENT MATERIAL ANDPREPARATION REQUIREMENTS.CINITIAL FILL: FILL MATERIAL FOR LAYER 'C' STARTS FROM THE TOP OFTHE EMBEDMENT STONE ('B' LAYER) TO 14" (355 mm) ABOVE THE TOP OFTHE CHAMBER. NOTE THAT PAVEMENT SUBBASE MAY BE A PART OF THE'C' LAYER.GRANULAR WELL-GRADED SOIL/AGGREGATE MIXTURES, <35% FINES ORPROCESSED AGGREGATE. MOST PAVEMENT SUBBASE MATERIALS CAN BE USED IN LIEU OF THISLAYER.AASHTO M145¹A-1, A-2-4, A-3ORAASHTO M43¹3, 357, 4, 467, 5, 56, 57, 6, 67, 68, 7, 78, 8, 89, 9, 10BEGIN COMPACTIONS AFTER 12" (300 mm) OF MATERIALOVER THE CHAMBERS IS REACHED. COMPACT ADDITIONALLAYERS IN 6" (150 mm) MAX LIFTS TO A MIN. 95% PROCTORDENSITY FOR WELL GRADED MATERIAL AND 95% RELATIVEDENSITY FOR PROCESSED AGGREGATE MATERIALS. ROLLERGROSS VEHICLE WEIGHT NOT TO EXCEED 12,000 lbs (53 kN).DYNAMIC FORCE NOT TO EXCEED 20,000 lbs (89 kN).BEMBEDMENT STONE: FILL SURROUNDING THE CHAMBERS FROM THEFOUNDATION STONE ('A' LAYER) TO THE 'C' LAYER ABOVE.CLEAN, CRUSHED, ANGULAR STONEAASHTO M43¹3, 357, 4, 467, 5, 56, 57NO COMPACTION REQUIRED.AFOUNDATION STONE: FILL BELOW CHAMBERS FROM THE SUBGRADE UPTO THE FOOT (BOTTOM) OF THE CHAMBER.CLEAN, CRUSHED, ANGULAR STONEAASHTO M43¹3, 357, 4, 467, 5, 56, 57PLATE COMPACT OR ROLL TO ACHIEVE A FLAT SURFACE.2,3PLEASE NOTE:1.THE LISTED AASHTO DESIGNATIONS ARE FOR GRADATIONS ONLY. THE STONE MUST ALSO BE CLEAN, CRUSHED, ANGULAR. FOR EXAMPLE, A SPECIFICATION FOR #4 STONE WOULD STATE: "CLEAN, CRUSHED, ANGULAR NO. 4 (AASHTO M43) STONE".2.STORMTECH COMPACTION REQUIREMENTS ARE MET FOR 'A' LOCATION MATERIALS WHEN PLACED AND COMPACTED IN 6" (150 mm) (MAX) LIFTS USING TWO FULL COVERAGES WITH A VIBRATORY COMPACTOR.3.WHERE INFILTRATION SURFACES MAY BE COMPROMISED BY COMPACTION, FOR STANDARD DESIGN LOAD CONDITIONS, A FLAT SURFACE MAY BE ACHIEVED BY RAKING OR DRAGGING WITHOUT COMPACTION EQUIPMENT. FOR SPECIAL LOAD DESIGNS, CONTACT STORMTECH FORCOMPACTION REQUIREMENTS.4.ONCE LAYER 'C' IS PLACED, ANY SOIL/MATERIAL CAN BE PLACED IN LAYER 'D' UP TO THE FINISHED GRADE. MOST PAVEMENT SUBBASE SOILS CAN BE USED TO REPLACE THE MATERIAL REQUIREMENTS OF LAYER 'C' OR 'D' AT THE SITE DESIGN ENGINEER'S DISCRETION.ACCEPTABLE FILL MATERIALS: STORMTECH SC-160LP CHAMBER SYSTEMSNOTES:1.CHAMBERS SHALL MEET THE REQUIREMENTS OF ASTM F2418, "STANDARD SPECIFICATION FOR POLYPROPYLENE (PP) CORRUGATED WALL STORMWATER COLLECTION CHAMBERS".2.CHAMBERS SHALL BE DESIGNED, TESTED AND ALLOWABLE LOAD CONFIGURATIONS DETERMINED IN ACCORDANCE WITH ASTM F2787, "STANDARD PRACTICE FOR STRUCTURAL DESIGN OF THERMOPLASTIC CORRUGATED WALL STORMWATER COLLECTIONCHAMBERS". LOAD CONFIGURATIONS SHALL INCLUDE: 1) INSTANTANEOUS (<1 MIN) AASHTO DESIGN TRUCK LIVE LOAD ON MINIMUM COVER 2) MAXIMUM PERMANENT (75-YR) COVER LOAD AND 3) ALLOWABLE COVER WITH PARKED (1-WEEK) AASHTO DESIGN TRUCK.3.THE SITE DESIGN ENGINEER IS RESPONSIBLE FOR ASSESSING THE BEARING RESISTANCE (ALLOWABLE BEARING CAPACITY) OF THE SUBGRADE SOILS AND THE DEPTH OF FOUNDATION STONE WITH CONSIDERATION FOR THE RANGE OF EXPECTED SOIL MOISTURECONDITIONS.4.PERIMETER STONE MUST BE EXTENDED HORIZONTALLY TO THE EXCAVATION WALL FOR BOTH VERTICAL AND SLOPED EXCAVATION WALLS.5.REQUIREMENTS FOR HANDLING AND INSTALLATION:·TO MAINTAIN THE WIDTH OF CHAMBERS DURING SHIPPING AND HANDLING, CHAMBERS SHALL HAVE INTEGRAL, INTERLOCKING STACKING LUGS·TO ENSURE A SECURE JOINT DURING INSTALLATION AND BACKFILL, THE HEIGHT OF THE CHAMBER JOINT SHALL NOT BE LESS THAN 1.5”·TO ENSURE THE INTEGRITY OF THE ARCH SHAPE DURING INSTALLATION, a) THE ARCH STIFFNESS CONSTANT SHALL BE GREATER THAN OR EQUAL TO 400 LBS/FT/%. THE ASC IS DEFINED IN SECTION 6.2.8 OF ASTM F2418. AND b) TO RESIST CHAMBERDEFORMATION DURING INSTALLATION AT ELEVATED TEMPERATURES (ABOVE 73° F / 23° C), CHAMBERS SHALL BE PRODUCED FROM REFLECTIVE GOLD OR YELLOW COLORS.PART #STUBASC160EPP6" (150 mm)0.66" (16 mm)8" (200 mm)0.80" (20 mm)SC160EPP088" (200 mm)0.96" (24 mm)ALL STUBS ARE PLACED AT BOTTOM OF END CAP SUCH THATTHE OUTSIDE DIAMETER OF THE STUB IS FLUSH WITH THEBOTTOM OF THE END CAP. FOR ADDITIONAL INFORMATIONCONTACT STORMTECH AT 1-888-892-2694.NOTE: ALL DIMENSIONS ARE NOMINALNOMINAL CHAMBER SPECIFICATIONSSIZE (W X H X INSTALLED LENGTH)25.0" X 12.0" X 85.4" (635 mm X 305 mm X 2169 mm)CHAMBER STORAGE6.85 CUBIC FEET (0.19 m³)MINIMUM INSTALLED STORAGE*16.0 CUBIC FEET (0.45 m³)WEIGHT24.0 lbs.(10.9 kg)*ASSUMES 6" (152 mm) ABOVE, 6" (152 mm) BELOW, AND STONE BETWEEN CHAMBERS WITH 40%STONE POROSITY.BUILD ROW IN THISDIRECTIONSTART ENDSC-160StormTech6" N128" N12SC-160StormTechOVERLAP NEXT CHAMBER HERE(OVER SMALL CORRUGATION)25.0"(635 mm)12.0"(305 mm)90.7" (2304 mm) ACTUAL LENGTH85.4" (2169 mm) INSTALLED LENGTH4.4"(112 mm)A11.7"(297 mm)18.6"(472 mm)DCBA*TO BOTTOM OF FLEXIBLE PAVEMENT. FOR UNPAVEDINSTALLATIONS WHERE RUTTING FROM VEHICLES MAYOCCUR, INCREASE COVER TO 20" (510 mm).6" N1
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PAVEMENT LAYER (DESIGNEDBY SITE DESIGN ENGINEER)SUBGRADE SOILS(SEE NOTE 3)PERIMETER STONE(SEE NOTE 4)EXCAVATION WALL(CAN BE SLOPED OR VERTICAL)SC-160LPEND CAPNO SPACING REQUIREDBETWEEN CHAMBERS12"(300 mm)14"(350 mm)MIN*10'(3.0 m)MAX6" (150 mm) MIN12" (300 mm) MIN25"(635 mm)12" (300 mm)TYPDEPTH OF BASE STONE TO BE DETERMINEDBY SITE DESIGN ENGINEER 6" (150 mm) MINSCALE: N.T.S.8PARK G RECREATION POND OVERFLOW- PLAN VIEW & TECHNICAL SPECIFICATIONSSCALE: N.T.S.9SC-160LP CROSS SECTION DETAILC4.17AS NOTEDSTORM DETAILS(CONT.)MALHEC Nov 21, 2023 - 1:11pmCAD FILE: M:\203430\Drawings\PHASE 2\CONSTRUCTION DRAWINGS\4.10 - STORM 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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