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Engineer's Preliminary Cost Estimate
ROCK PRAIRIE PROFESSIONAL OFFICE COMPLEX
8" SANITARY SEWER LINE - PUBLIC IMPROVEMENTS
December 15, 2011
Estimated Estimated Estimated
ITEM DESCRIPTION Quantity Unit Cost Total Costs
1.00 - Sanitary Sewer
1.01 8" dia. ASTM D3034 SDR 26 PVC (Includes 348 LF $24.00 $8,352.00
installation, testing, & cleanup)
Non - Structural 0' - 8' in Depth
1.02 4' Standard Manhole (0' - 8') (Includes Testing, 2 EA $2,500.00 $5,000.00
installation, and cleanup)
1.03 2' Drop Structure 1 EA $500.00 $500.00
1.04 Existing Manhole Connection 1 EA $350.00 $350.00
1.05 Trench Safety 348 LF $4.00 $1,392.00
1.06 TV Line Inspection 348 LF $3.00 $1,044.00
Sub -Total Item 1.00 Sanitary Sewer. $16,638.00
2.00 - Erosion Control & Miscellaneous
2.01 Mobilization / Demobilization 1 LS $2,000.00 $2,000.00
2.02 Silt Fence 700 LF $3.00 $2,100.00
Sub -Total Item 2.00 Erosion Control: $4,100.00
Sub - Total: $20,738.00
Contingency (10%): $2,073.80
PRELIMINARY TOTAL CONSTRUCTION COST:
The following cons timate is based on the engine's preliminary opinion of probable oonstruction costs.
This estimate conati , beet judgement at this time. Please note that the engineer does not have any control
over contractor or . workloads and the degree to which inflation may affect project costs between now and the
bid date. During and construction, additional features may become apparent as the work progresses, which
will result in an increase in cost.
$22,811.80
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