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X <br /> I I <br /> a MANHOLE FRAME AND COVER NOTES <br /> PER STANDARD DRAWING 610 OR 611. <br /> 80 <br /> IN <br /> —CIRCULAR ADJUSTMENT SECTION TYPICAL 1. MANHOLES TO BE CONSTRUCTED IN ACCORDANCE WITH AASHTO M-199 <br /> (ASTM C 478)UNLESS OTHERWISE SHOWN ON PLANS OR NOTED IN <br /> FLAT SLAB STANDARD SPECIFICATIONS. <br /> TOP ? 2. ALL RREINFORCED CAST IN PLACE CONCRETE SHALL BE CLASS 4000. <br /> --\ 2 NON-REINFORCED CONCRETE IN CHANNEL AND SHELF SHALL BE 7 SACK <br /> r STEPS IN MH ENTRY AREA SHOULD EXTEND ONLY 3"MAX MIX SAND AND CEMENT GROUT.ALL PRECAST CONCRETE SHALL BE CLASS <br /> FROM WALL(USED AS HANDHOLDS NOT STEPS)SEE STD 609. 4000. <br /> 3. PRECAST BASES SHALL BE FURNISHED WITH CUTOUTS FOR KNOCKOUTS. <br /> KNOCKOUTS SHALL HAVE A WALL THICKNESS OR 2"MINIMUM. <br /> \ <br /> \ 4. ALL BASE REINFORCING STEEL SHALL HAVE A MINIMUM YIELD STRENGTH <br /> RUBBER GASKET AT JOINTS TYPICAL OF 60,000 PSI AND BE PLACED IN THE UPPER HALF OF THE BASE WITH 1" <br /> - MINIMUM CLEARANCE. <br /> .a <br /> —c 5. KNOCKOUT OR CUTOUT HOLE SIZE IS EQUAL TO PIPE OUTER DIAMETER <br /> _ 48",54",60",72",84"OR 96" _ <br /> PLUS MANHOLE WALL THICKNESS. <br /> 6. MANHOLE DIA.DEPENDS ON:SIZE,LOCATION AND NUMBER OF <br /> 2 PENETRATIONS FOR PIPES.MANHOLE DESIGN AND SIZE SHALL BE <br /> in <br /> APPROVED AND WARRANTED BY THE MANHOLE SUPPLIER. <br /> N STEPS OR LADDER 7. FOR HEIGHTS OVER 25'MANHOLE BASE SLAB DESIGN SHALL BE DESIGNED <br /> BY A STRUCTURAL ENGINEER. <br /> PER STD 606 <br /> OR 609 8. CONCRETE CHANNEL AND SHELF SHALL BE FIELD-FORMED EXCEPT WHERE <br /> APPROVED IN ADVANCE BY CITY. <br /> 24:1 —' <br /> SLOPE MANHOLE DIMENSIONS TABLE <br /> FIELD-FORMED CHANNEL AND SHELF WALL BASE MAXIMUM MINIMUM BASE REINFORCING STEEL <br /> MORTAR (SEE NOTE 8) DIA THICKNESS THICKNESS KNOCK OUT DISTANCE BWT INZ/Ff IN EACH DIRECTION <br /> SIZE KNOCKOUTS SEPARATE BASE INTEGRAL BASE <br /> FILLET II 48" 4" 6" 36" 8" 0.23 0.15 <br /> N , i REINFORCING STEEL(TYP.) <br /> • 54" 4.5" 8" 42" 8" 0.19 0.19 <br /> 12 io <br /> 60" 5" 8" 48" 8" 0.25 0.25 <br /> o z -- 72" 6" 8" 60" 12" 0.35 0.24 <br /> — <br /> E 6" <br /> .-2 I 84" 8" 12" 72" 12" 0.39 0.29 <br /> in <br /> ~ GRAVEL BACKFILL FOR PIPE 96" 8" 12" 84" 12" 0.39 0.29 <br /> SEPARATE BASE INTEGRAL BASE ZONE BEDDING.COMPACT TO NOTE:KNOCKOUTS SHALL HAVE A WALL <br /> 95%OF STD DENSITY. THICKNESS INPLACE PRECAST WITH RISER OF 2"MINIMUM TO 2.5" <br /> MAXIMUM. <br /> 0 <br /> "0"RING <br /> n WATER STOP <br /> G 12" <br /> cw CITY OF EVERETT <br /> GRAVEL BACKFILL FOR ° F PUBLIC WORKS DEPARTMENT <br /> PIPE ZONE BEDDING.COMPACT WSDOTSTD PLAN 8-15.60.00, <br /> R T095�o0F STD DENSITY. MANHOLE TYPE 3 "RYANSASS IDAVID'VDIGT I"PAULWILHELM I'-"ESH 03/30/2017 <br /> SEPARATE BASE PRECAST ACCEPTABLE SUBSTITUTE "" TYPE 3 SS OR CS MANHOLE ""'..o�.'"' <br /> 48",54",60",72",84"&96" 607 <br /> WITH 48"OR 54"RISER <br /> I I <br /> all NM N — — 11111 — r — al11 NM NM NM — IN I r — 11111 <br />