Laserfiche WebLink
21 41STATE DESIGN ENGINEERTRANSPORTATION <br />OF <br />DEPARTMENT <br />APPROVED: <br />REVISED:PATH & FILENAME:$$$@PATHFILENAME@$$$DISTRICT #:$@DISTRICT@$PLOTTED/REVISED:PLOT NAME:$$@IPLOT$NAME@$$$$$$@DATE@$$$$FLEXIBLE STORM SEWER PIPE ARCH BEDDINGRIGID STORM SEWER PIPE ARCH BEDDING <br />17. <br />2 <br />H = FILL COVER HEIGHT OVER PIPE (FEET). <br />= UNDISTURBED SOIL <br />FOR RIGID AND FLEXIBLE PIPE <br />STANDARD STORM SEWER BEDDING <br /> 42" <br /> 54" <br />RIGID STORM SEWER PIPE BEDDING FLEXIBLE STORM SEWER PIPE BEDDING <br />TRENCH BASE WIDTH 1 2 <br />POLYPROPYLENE (PP), CORRUGATED POLYETHYLENE (CP) AND POLYVINYL CHLORIDE (PVC). <br />RIGID PIPE INCLUDES CONCRETE. FLEXIBLE PIPE INCLUDES METAL, AND PLASTIC MATERIALS SUCH AS CORRUGATED <br />THE CONTRACT UNIT PRICE OF THE RELEVANT STORM SEWER PAY ITEM. <br />EXCAVATION AND BACKFILL WITH SELECT GRADING MATERIAL ARE NOT TABULATED SEPARATELY BUT ARE INCLUDED IN <br />CONTRACT UNIT PRICE OF THE RELEVANT STORM SEWER PAY ITEM. <br />FINE AGGREGATE BEDDING INCLUDING THE COST OF EXCAVATION, PLACEMENT AND COMPACTION IS INCLUDED IN THE <br />TRENCH WIDTH EQUAL TO THE PIPE TRENCH WIDTH. <br />QUANTITIES. FOR APRONS WITHOUT RIPRAP PLACE 6" MIN. FINE AGGREGATE BEDDING UNDER APRONS. USE A <br />WHEN RIPRAP IS REQUIRED AT THE APRON END, SEE STANDARD PLATE OR PLAN FOR RIPRAP INSTALLATION AND <br />PROTECT ALL PIPE DURING CONSTRUCTION PER SPEC. 2503. <br />PIPE SIZE IS BASED ON THE NOMINAL INSIDE DIAMETER OR SPAN. <br />EXCAVATE & CONSTRUCT ALL TRENCHES AND SLOPES PER OSHA REQUIREMENTS. <br />1 OF 1STANDARD PLAN 5-297.442 <br />DI S IPIPE DIA. OR <br /> AFTER PIPE PLACEMENT <br />= LOOSE BEDDING, COMPACTED <br />= COMPACTED BEDDING <br />SHEET NO. OF SHEETS <br />SI <br />So <br />TRENCH WIDTH = B <br />Do <br />DI <br />TRENCH WIDTH = B <br />DI 12"Do <br />TRENCH WIDTH = B <br />SI <br />TRENCH WIDTH = B12"So <br />42" TO 54" <br />TRENCH WIDTH B <br />(TYP.) <br />AREA <br />HAUNCH <br />SPRINGLINE <br />SPRINGLINE <br />(TYP.) <br />AREA <br />HAUNCH <br />(TYP.) <br />AREA <br />HAUNCH <br />SPRINGLINE (TYP.) <br />AREA <br />HAUNCH <br />SPRINGLINE <br />1. <br />2. <br />3. <br />4. <br />5. <br />6. <br />CONSTRUCTION SEQUENCE <br />NOTES <br />PIPE DIA. <br />12"5'-2" <br />15"5'-6" <br />36"9'-6" <br />30"8'-0" <br />24"6'-6" <br />18"5'-9" <br />42"11'-0" <br />48"12'-6" <br />MODIFY TRENCH WIDTH & SLOPE AS NECESSARY TO COMPLY WITH OSHA REQUIREMENTS. <br />(FEET) <br />TRENCH WIDTH <br />-LEGEND- <br />COMPLETE REMAINING BACKFILL. <br />RIGID PIPE AND 12" ABOVE THE TOP OF THE PIPE FOR FLEXIBLE PIPE WHEN COMPACTED. <br />PLACE AND COMPACT BACKFILL EVENLY AND SIMULTANEOUSLY IN 6" LIFTS ON EACH SIDE OF THE PIPE UP TO THE SPRINGLINE FOR <br />THAT THE ENTIRE LENGTH OF PIPE IS SUPPORTED UNIFORMLY BY BEDDING. <br />COMPACT THE REMAINING MATERIAL OUTSIDE THE HAUNCH AREA TO THE REQUIREMENTS OF SPEC. 2106 ENSURING <br />DEVICE (I.E. POLE TAMPER, JUMPING JACK, OR SIMILAR). <br />ENTIRE LENGTH OF HAUNCH UNDER THE PIPE). THEN COMPACT THE HAUNCH AT AN ANGLE USING A POWERED MECHANICAL OR PNEUMATIC <br />PIPE UNDERNEATH THE HAUNCH AREA BY FIRST SHOVEL SLICING (MANUALLY SHOVE THE BLADE END OF SHOVEL AT AN ANGLE DOWN THE <br />AFTER PLACEMENT OF THE PIPE, PLACE ADDITIONAL FINE AGGREGATE BEDDING AND COMPACT THE FULL LENGTH ON BOTH SIDES OF THE <br />FURNISH AND INSTALL PIPE TO GRADE. <br />FOR PIPES WITH BELL, REMOVE MATERIAL IN BELL AREA PRIOR TO PLACEMENT. <br />LOOSELY PLACE 6" OF FINE AGGREGATE BEDDING MATERIAL TO GRADE. DO NOT COMPACT PRIOR TO PIPE PLACEMENT. <br />USE PLASTIC PIPE TABLE FOR TRENCH WIDTHS WHEN FILL HEIGHT IS GREATER THAN 10 FT. <br />oD + 24" <br />1.5 x oD <br />oD + 36" <br />WITH H 10 FT. 1 2 <br />PLASTIC PIPE <br />IS 3" FOR METAL PIPE AND 1" FOR PLASTIC PIPE. <br />MAXIMUM EMBANKMENT PARTICLE SIZE WITHIN 2 FT. OF PIPE <br />SELECT GRADING MATERIAL PER SPEC. 2106.1.A.6. <br />COMPACT PER SPEC. 2106. <br />BEDDING PER SPEC. 3149.2.G.1 <br />FINE AGGREGATE <br />PIPE PLACEMENT <br />ANY MEANS PRIOR TO <br />DO NOT COMPACT BY <br />BEDDING PER SPEC. 3149.2.G.1. <br />6" MIN. FINE AGGREGATE <br />IS 3" FOR METAL PIPE AND 1" FOR PLASTIC PIPE. <br />MAXIMUM EMBANKMENT PARTICLE SIZE WITHIN 2 FT. OF PIPE <br />SELECT GRADING MATERIAL PER SPEC. 2106.1.A.6. <br />COMPACT PER SPEC. 2106. <br />BEDDING PER SPEC. 3149.2.G.1 <br />FINE AGGREGATE <br />PIPE PLACEMENT <br />ANY MEANS PRIOR TO <br />DO NOT COMPACT BY <br />BEDDING PER SPEC. 3149.2.G.1. <br />6" MIN. FINE AGGREGATE <br />COMPACT PER SPEC. 2106. <br />BEDDING PER SPEC. 3149.2.G.1 <br />FINE AGGREGATE <br />2 FT. OF PIPE IS 3". <br />MAXIMUM EMBANKMENT PARTICLE SIZE WITHIN <br />SELECT GRADING MATERIAL PER SPEC. 2106.1.A.6. <br />PIPE PLACEMENT <br />ANY MEANS PRIOR TO <br />DO NOT COMPACT BY <br />BEDDING PER SPEC. 3149.2.G.1. <br />6" MIN. FINE AGGREGATE <br />2 FT. OF PIPE IS 3". <br />MAXIMUM EMBANKMENT PARTICLE SIZE WITHIN <br />SELECT GRADING MATERIAL PER SPEC. 2106.1.A.6. <br />COMPACT PER SPEC. 2106. <br />BEDDING PER SPEC. 3149.2.G.1. <br />FINE AGGREGATE <br />PIPE PLACEMENT <br />ANY MEANS PRIOR TO <br />DO NOT COMPACT BY <br />BEDDING PER SPEC. 3149.2.G.1. <br />6" MIN. FINE AGGREGATED = INSIDE DIAMETER OF ROUND PIPE (INCHES).I <br />oD = OUTSIDE DIAMETER OF ROUND PIPE (INCHES). <br />S = INSIDE SPAN OF PIPE-ARCH (INCHES).I <br />oS = OUTSIDE SPAN OF PIPE-ARCH (INCHES). <br />01-18-2019 <br /> <br />STATE BRIDGE ENGINEER <br />APPROVED: JANUARY 18, 2019 <br />REVISION: <br />CITY PROJ. NO. PW-20-0103Model:442-1 Storm Sewer Bedding1/15/2021Last Saved:\\hrgreen.com\HRG\Data\2018\181582\CAD\Road_Design\sheets\CD191801_spn01.dgnFile:PlotDrvr:pdf_bw_no_level_MnDOT.pltcfgPenTbl:hrg.tbl