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GEI Consultants, Inc.March 2010
<br /> Cucharas Dam Preliminary Design Report
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<br />Table 9: Cost Estimate for the RCC Dam Alternative
<br />Item
<br />No.Description Quantity Unit
<br />Unit
<br />Price Amount
<br />1 Access roads and Erosion Control 1 LS $350,000 $350,000
<br />2 Construction Diversion and Control of Water 1 LS $270,000 $270,000
<br />3 Reclamation 5 Acre$4,000 $20,000
<br />4 Demolish existing dam to El. 5730 1 LS $300,000 $300,000
<br />5 Foundation Excavation (65% common, 35% rock) 78,000 CY $14 $1,092,000
<br />6 RCC Test Section 1 LS $110,000 $110,000
<br />7 Foundation treatment and grouting 1 LS $1,550,000 $1,550,000
<br />8 Furnish and placing roller compacted concrete 137,000 CY $80 $10,960,000
<br />9 Furnish and place structural concrete 2,000 CY $550 $1,100,000
<br />10 Furnish and install dam facing concrete 9,000 CY $240 $2,160,000
<br />11 Dam foundation drains 750 CY $100 $75,000
<br />12 Instrumentation 1 LS $125,000 $125,000
<br />13 Furnish and install 66-inch steel pipe 120 LF $650 $78,000
<br />14 Furnish and install 66-inch sluice gate 2 LS $70,000 $140,000
<br />--- Unlisted Items (10% of subtotal of listed items) $1,833,000
<br />Base Construction Subtotal (BCS) $20,163,000
<br />Mobilization, Bonds, Insurance (4.0% of BCS) $810,000
<br />Direct Construction Subtotal (DCS)$20,973,000
<br />Design Engineering and Permitting (7.5% of DCS) $1,570,000
<br />Contingencies (10% of BCS + Mobilization …) $2,100,000
<br />Construction Administration and Engineering (10% of DCS) $2,100,000
<br />TOTAL ESTIMATED OPINION OF PROBABLE PROJECT COST (OPPC)$26,743,000
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