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f •
<br /> • • A1Z.3-710 Manholes & Cash Basins
<br /> The Manhole and Catch Basin System
<br /> ,,G ~~~w~ includes: excavation with a backhoe; a
<br />
<br /> ~1r? 1id'• ~ formed concrete footing; frame and cover;
<br /> e j, cast iron steps and compacted Backfill.
<br /> e The Expanded System Listing shows
<br /> manholes that have a 4', 5' and 6' inside
<br /> ~ : diameter riser. Depths range from 4' to 14'.
<br /> ~ Construction material shown is either
<br /> concrete, concrete block, precast concrete,
<br /> or brick.
<br /> ~ I ~ "
<br /> i a
<br /> Manhole Catch Eiasin
<br /> System Components UNIT MAT COST ~ TEACH TOTAL
<br /> SYSTEM 12.&710.1920
<br /> ~ MArNiOLE/CATCH BASIN, BRICK, 4' I.D. RISER, 4' DEEP
<br /> Excavation, hydraulic backhoe, 3/8 C.Y. bucket 14.815 C.Y. 75.26 75.26
<br /> Trim sides and bottom of excavation 64.000 S.F. 40.32 40.32
<br /> Forms in place, manhole base, 4 uses 20.000 SFCA 13.20 66.60 79.80
<br /> Reinforcing in place footings, #4 to #7 .019 Ton 11.02 16.06 27.08
<br /> Concrete, 3000 psi, incl. place and vibrate under 1 CY, direct chute .925 C.Y. 65.68 31.47 97.15
<br /> Catch basin or MH, brick, 4' ID, 4' deep 1.000 Ea. 298 650 948
<br /> Catch basin or MH steps; heavy galvanized cast iron 1.000 Ea. 10.40 9.15 19.55
<br /> Catch basin or MH frame and cover 1.000 Ea. 174 143.50 317.50
<br /> Backfill with wheeled front end loader 12.954 C.Y. 108.17 19.04 127.21
<br /> Backfill compaction, l2" lifts, air tamp 12.954 C.Y. 74.88 74.88
<br /> TOTAL 680.47 1,126.28 1,806.75 0
<br /> 3
<br /> 15.3.710 Manholes & Cahh Basins cosy PER EACH
<br /> MAT. NEST. TOTAL N
<br /> 1920 Manhole%atch basin, brick, 4' I.D. riser, 4' deep 680 1,125 1,805
<br /> 1940 6'deep 915 1,575 2,490
<br /> 1960 8' deep 1,175 2,150 3,325
<br /> 1980 10' deep 1,500 2,650 4,150
<br /> 3000 12' deep 1,925 2,900 4,825
<br /> 3020 14' deep 2,425 4,050 6,475
<br /> 3200 Bock, 4' I.D. riser, 4' deep 630 910 1,540
<br /> 3220 6' deep 825 1,300 2,125
<br /> 3240 8' deep 1,050 1,775 2,825
<br /> 3260 10' deep 1,225 2,175 3,400
<br /> 3280 12' deep 1,525 2,800 4,325
<br /> 3300 14' deep 1,850 3,400 5,250
<br /> 4620 Concrete, cast~rrplace, 4' I.D. riser, 4' deep 760 1,600 2,360
<br /> 4640 6' deep 1,050 2,125 3,175
<br /> 4660 8' deep 1,425 3,075 4,500
<br /> 4680 10' deep 1,725 3,800 5,525
<br /> 4700 12' deep 2,100 4,725 6,825
<br /> 4120 14' deep 2,550 5,650 8,200
<br /> 5820 Concrete, precast, 4' I.D. riser, 4' deep 715 835 1,550
<br /> 5840 6' deep 960 1,125 2,085
<br /> ' 5860 8' deep 1,150 1,600 2,75,0
<br /> 5880 10' deep 1,425 1,950 3,375
<br /> 5900 12' deep 1,800 2,400 4,200
<br /> 5920 14' deep 2,200 3,075 5,275
<br /> 441
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