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1 1 <br /> NOTES <br /> 1. MANHOLES TO BE CONSTRUCTED IN ACCORDANCE WITH AASHTO M-199(ASTM C 478) <br /> z UNLESS OTHERWISE SHOWN ON PLANS OR NOTED IN STANDARD SPECIFICATIONS. <br /> io MANHOLE FRAME AND COVER 2. ALL REINFORCED CAST IN PLACE CONCRETE SHALL BE CLASS 4000.NON-REINFORCED <br /> '+ PER STANDARD DRAWING 610 OR 611. CONCRETE IN CHANNEL AND SHELF SHALL BE 7 SACK MIX SAND AND CEMENT GROUT.ALL <br /> T-I CIRCULAR ADJUSTMENT SECTION TYPICAL PRECAST CONCRETE SHALL BE CLASS 4000. <br /> 1\ <br /> ` / 3. PRECAST BASES SHALL BE FURNISHED WITH CUTOUTS FOR KNOCKOUTS.KNOCKOUTS SHALL <br /> HAVE A WALL THICKNESS OR 2"MINIMUM. <br /> Co N STEPS IN MH ENTRY AREA SHOULD EXTEND 4. ALL BASE REINFORCING STEEL SHALL HAVE A MINIMUM YIELD STRENGTH OF 60,000 PSI <br /> i c ONLY 3"MAX FROM WALL(USED AS AND BE PLACED IN THE UPPER HALF OF THE BASE WITH 1"MINIMUM CLEARANCE. <br /> HANDHOLDS NOT STEPS)SEE STD 609. <br /> 5. KNOCKOUT OR CUTOUT HOLE SIZE IS EQUAL TO PIPE OUTER DIAMETER PLUS MANHOLE <br /> ECCENTRIC CONE SECTION WALL THICKNESS. <br /> 6. MANHOLE DIA.DEPENDS ON:SIZE,LOCATION AND NUMBER OF PENETRATIONS FOR PIPES. <br /> / RUBBER GASKET ATJOINTS TYPICAL MANHOLE DESIGN AND SIZE SHALL BE APPROVED AND WARRANTED BY THE MANHOLE <br /> y �/ SUPPLIER. <br /> 7. FOR HEIGHTS OVER 25'MANHOLE BASE SLAB SHALL BE DESIGNED BY A STRUCTURAL <br /> kL ENGINEER. <br /> 8. CONCRETE CHANNEL AND SHELF SHALL BE FIELD-FORMED EXCEPT WHERE APPROVED IN <br /> ADVANCE BY CITY. <br /> 48",54"OR 60" <br /> z <br /> 2 <br /> 00 <br /> vw N 3 �' PRECAST RISER SECTIONS <br /> STEPS PERC <br /> NOTE:KNOCKOUTS SHALL HAVE A WALL THICKNESS OF 2"MINIMUM TO 2.5"MAXIMUM. <br /> STD 606A <br /> MANHOLE DIMENSIONS TABLE <br /> 6"CLR TYPICAL <br /> WALL BASE MAXIMUM MINIMUM BASE REINFORCING STEEL <br /> LADDER PER DIA THICKNESS THICKNESS KNOCK OUT DISTANCE BWT IN2/FT IN EACH DIRECTION <br /> SIZE KNOCKOUTS SEPARATE BASE INTEGRAL BASE <br /> STD 606 <br /> 48" 4" 6" 36" 8" 0.23 0.15 <br /> .f -i. <br /> 0 <br /> 54" 4.5" 8" 42" 8" 0.19 0.19 <br /> 24:1 :1-1�� FIELD-FORMED CHANNEL AND SHELF 60" 5" 8" 48" 8" 0.25 0.25 <br /> SLOPE . I I (SEE NOTE 8) <br /> MORTAR REINFORCING STEEL TYPICAL <br /> FILLET <br /> Y. " <br /> 1 \\ -;,,,_ _./ /„ GRAVEL BACKFILL FOR PIPE WO"RING <br /> o I _.-I ZONE BEDDING.COMPACT 95% ATER STOP <br /> o I OF STD DENSITY. <br /> n I—I I <br /> I � — 12" GRAVEL—lit <br /> z BACKFILL FOR <br /> 6 6" 2 I Lo PIPE ZONE CITY OF EVERETT <br /> NZt: BEDDING PUBLIC WORKS DEPARTMENT <br /> SEPARATE BASE INTEGRAL BASE <br /> ° CAST IN PLACE PRECAST WITH RISER SEPARATE BASE PRECAST <br /> IDAVID O T I PAULWILHELM I"°sx 03/30/2017 <br /> Es MANH48",4&60'OLE 605 <br /> I I <br /> - NM NM - NM - - M I M .IIIII r 111111 MI - M r - - <br />