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MAINTENANCE HOLE <br /> FRAME & COVER. ADJUST TO GRADE <br /> PER COUNTYWIDE STANDARDS <br /> PAVEMENT <br /> INSTALL GRADE RINGS AS REQUIRED <br /> _ 5 FOR GRADE (GROUT IN PLACE) <br /> +.' 12" MAXIMUM. <br /> 24" MIN <br /> PRECAST REINFORCED CONCENTRIC <br /> 3" I CONCRETE CONE 0 <br /> w .� <br /> a 3 <br /> Cw'1 a 5" <br /> 5 ALL JOINTS SHALL BE SET <br /> 1',2',3',OR 4' Q I a • I ON FULL MORTARED BED AND <br /> BANDED WITH MORTAR ON <br /> BOTH INTERIOR AND EXTERIOR <br /> o 48 , SURFACES. <br /> 0 a ';. <br /> w �6„ <br /> '._ . ,• HAND FINISH SLOPES <br /> w •• <br /> m • J <br /> Q w, <br /> MAX. <br /> 4. <br /> CONCRETE co 6 <br /> NOTES: 5'-10" <br /> 1. FOR PIPES 33" DIAMETER AND SMALLER. UNDISTURBED EARTH <br /> 2[] ECCENTRIC REINFORCED CONCRETE CONE MAY BE USED ON APPROVAL OF AGENCY <br /> [3 PRECAST REINFORCED CONCRETE MAINTENANCE HOLE UNIT SHALL CONFORM <br /> TO A.S.T.M. C-478 <br /> CONSTRUCT FLEXIBLE PIPE JOINT AT 2 FEET MAXIMUM FROM BASE <br /> OF MAINTENANCE HOLE FOR RIGID PIPE. (EXCEPT CAST—IN—PLACE). <br /> 5[]. INTERIOR COATING WHERE REQUIRED BY AGENCY. <br /> © RUBBER RING WATERSTOP OR ADAPTER REQUIRED FOR <br /> PVC PIPE INSTALLATIONS. <br /> 7. FOR UNPAVED AREAS LEAVE MAINTENANCE HOLE ABOVE GROUND AS REQUIRED BY AGENCY <br /> REVISION DATE COUNTYWIDE IMPROVEMENT STANDARDS APPROVED BY <br /> COUNTY OF SAN JOAQUIN <br /> TYPE I SAN JOAQUIN COUNTY DATE <br /> DIRECTOR OF PUBLIC WORKS <br /> MAINTENANCE HOLE IMPROVEMENT CW—S7 <br /> STANDARD NO. <br />