|
..........._.._._.._...
<br /> TABLE 1
<br /> COMPARISON OF TOTAL PROJECT COSTS
<br /> CRIGINAI, VS. REVISED PLAN
<br /> PHASE I SEKM IMPROVEMENTS
<br /> Item Unit Price Original Plan modified Plan
<br /> Extended Estimated Estimated Extended
<br /> Quantity Total Quantity Total
<br /> Clearing and Grubbing 3500/ac 105a 360800 10.5 $ 36,800
<br /> Surface ,Restoration 1500/ac 326a 48,900 32.6 48,900
<br /> Gravityy Sewer Pipe
<br /> 12"
<br /> dia. 23/lf - b -- b 6600 151,800
<br /> 8" dia. 15/lf 34,900c 523,500 37,235 558,500
<br /> Force Main
<br /> 2 V2" dia. 3.25/lf 1100 3,600 -- b N b
<br /> 3" dia. - 3.75/lf 1200 4,500 -- b -- b
<br /> 4" dia. 4.00/lf -- b - b 2,300 9,200
<br /> 6" dia. 6.00/lf 7,500 45,000 b b
<br /> 8" dia. 8.00/if 15,700 1-25,600 16,200 129,600
<br /> 4' dia. manholes 950/ea 133 126,400 153 145.400
<br /> Rock Excavation 35/cy 3175c 111,000 3175 111,000
<br /> House Services 30 0/ea 241c 72,300 241 72,300
<br /> Bored Highway Crossing 90/if 290 26,100 -- --
<br /> 90/if -- -- 330 30,000
<br /> Sewage Grinder Pumps 300 0/ea 23 69,0003 6 3,000e
<br /> Sewage Pump Station is 4 200,000 3 160,000
<br /> Misc. Construction LS - 66,600 -- b -- b
<br /> SUBTOTAL, ESTIMATED CONSTRUCTION COST 1,459,300 1,456,500
<br /> Technical 145,300 145,000
<br /> Legal and Administrative 21,000 21,000
<br /> Real Estate Interest 20,000 30,000
<br /> Interest During Construction 46,000 46,000
<br /> Contingency (10%) 146,000 146,000
<br /> TOTAL ESTIMATED P.RQJBCT COST $1,837,600
<br /> $3,849,500
<br /> Cost for this item not included in .original report. Quantity added by Hazen and Sawyer.
<br /> b Not required for this alternative
<br /> c Original quantity adjusted by Hazen and Sawyer based on field study.
<br /> d Although a cost is shown for this item, it is not clear that the intended plan of individual house pumps discharging
<br /> into a high head force is technically viable.
<br /> e Since these units would discharge into a gravity manhole, a lower unit cost has been assumed.
<br />
|