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Table 5: Alternative 2 Cost Opinion Summary
<br />Project 1 - Diversion Headgate replacement
<br />Item Description QuantityUnitUnit Cost ($)Extended Cost ($)
<br />Replace headgate 1LS 50,000 $50,000
<br />Subtotal $50,000
<br />Contingency (15%)$7,500
<br />Total $57,500
<br />Project 2 - Broadway pipeline replacement
<br />Item Description QuantityUnitUnit Cost ($)Extended Cost ($)
<br />Mobilization 1LS $9,000 $9,000
<br />Demolish existing pipe/structures 1LS $6,500 $6,500
<br />5-ft dia manhole 1LS $8,000 $8,000
<br />New diversion structure 1LS $10,000 $10,000
<br />5-ft dia manhole w/ formed invert 1LS $9,000 $9,000
<br />36-inch PE 650LF $80 $52,000
<br />Repair driveways 600SF $2 $1,200
<br />Provide/place fill in right-of-way 120CY $10 $1,200
<br />Traffic control 1LS $5,000 $5,000
<br />Railroad flagging/permits 1LS $3,000 $3,000
<br />Incidental removal/replacement (signs, delineators, etc.)1LS $1,500 $1,500
<br />Subtotal $106,400
<br />Contingency (20%)$21,280
<br />Total $127,680
<br />Project 3 - Rehabilitate existing spillway
<br />Item Description QuantityUnitUnit Cost ($)Extended Cost ($)
<br />Mobilization 1LS $4,000 $4,000
<br />Demolish existing pipe/structures/vegetation 1LS $15,000 $15,000
<br />Rehabilitate existing channel 1LS $2,500 $2,500
<br />Concrete headwall 1LS $15,000 $15,000
<br />Slide Gates 1E A $9,000 $9,000
<br />Subtotal $45,500
<br />Contingency (25%)$11,375
<br />Total $56,875
<br />Project 4 - New fence along mobile home park
<br />Item Description QuantityUnitUnit Cost ($)Extended Cost ($)
<br />Mobilization 1LS $5,000 $5,000
<br />Clearing and grubbing 1LS $3,500 $3,500
<br />Chain-link fencing - 8-foot 2000LF $25 $50,000
<br />Subtotal $58,500
<br />Contingency (25%)$14,625
<br />Total $73,125
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