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<br />Tabte 2
<br />Rio Grande Reservoir Enlargement
<br />Raise 10 feet
<br />Engineer's Opinion of Costs - Reconnaissance Levet
<br />October 2006
<br />Construcfion lfem Quanfity Unit Cost �tension
<br />1 Mobilization (@5%) 1 LS $917,000 $917,000
<br />Subtotal $917,000
<br />2 Dam Embankmeni
<br />a. Foundation Preparation (upstream)
<br />b. Foundation Preparation (downstream}
<br />c. Remove Existing Rip & Rip Rap bedding
<br />d. Construct Coffer Dam
<br />e. Foundation Grouting
<br />f. Dam Rockfilt (for Dam Raise)
<br />g. Extend Existing Toe Drains
<br />h. PVC bedding
<br />i. PVC lining
<br />j. Riprap bedding
<br />k. Riprap
<br />I. Crest Road (Paved)
<br />3 Left Abutment
<br />a. Clearing/Grubbing/Stripping
<br />b. Left Abutrnent Drainage Gallery Tunnel
<br />and Drains
<br />c. PVC beddinglfrlter
<br />d. PVC Liner
<br />4 Outlet Works
<br />a. Construct New Lower Outlet Tunnel
<br />b. Construct New Upper Intake Tunnel
<br />c. Existing Outlet Tunnel Extension
<br />d. Construct New Valve Shaft
<br />e. Air Vent for Existing Outlet Tunnef
<br />f. Demo and Raise existing Outlet Building
<br />and replace Outlet Building
<br />g. New Fixed Cone Valves and Structure
<br />h_ (nstall New gate
<br />5 Spillway
<br />a. Raise Spillway Training Walls
<br />b. New Spillway Weir
<br />c. Improve existing spiltway channel
<br />d. Concrete Parapet Wall
<br />6 Miscellaneous
<br />a. Instrumentation
<br />b. Seeding and Fertilizing
<br />c. Care of the River
<br />d. Tree Removal Reservoir Perimeter
<br />10,OOd
<br />10,000
<br />15,000
<br />1
<br />1
<br />115,000
<br />500
<br />5,000
<br />100,000
<br />5,000
<br />15,000
<br />670
<br />50,000
<br />250
<br />15,000
<br />75,000
<br />670
<br />375
<br />175
<br />1
<br />1
<br />1
<br />1
<br />1
<br />1
<br />1
<br />1
<br />1
<br />CY $10 $100,000
<br />CY $15 $150,OOQ
<br />CY $4 $60,000
<br />LS $200,000 $200,000
<br />LS $400,000 $400,000
<br />CY $8 $920,000
<br />LF $100 $50,000
<br />CY $20 $100,000
<br />SF $4 $400,000
<br />CY $25 $125,000
<br />CY $40 �,000
<br />LF $100 $67,000
<br />Subtotal $3,172,000
<br />CY $10 $500,000
<br />LF $5,000 $1,250,000
<br />CY $20 $300,000
<br />SF $4 $300,000
<br />Subtofa/ $Z350,000
<br />LF $3,500 $2,345,000
<br />LF $3,500 $1,312,50U
<br />LF $2,000 $350,000
<br />LS $2,000,000 $2,000,000
<br />LS $400,000 $400,000
<br />LS $1,000,000 $1,000,000
<br />LS $1,000,000 $1,000,000
<br />LS $500,000 $500,000
<br />Subtotal $8,907,500
<br />LS $400,000 $40d,000
<br />LS $800,000 $800,000
<br />LS $1,500,000 $1,500,000
<br />LS $100,000 $100,000
<br />Subtotal $2,800,000
<br />1 LS $300,000 $300,000
<br />10 Acre $8,000 $80,000
<br />1 LS $500,000 $504,000
<br />30 Acre $7,500 $225,000
<br />Subtota/ $1,105,000
<br />Total Construction Items �19,251,500
<br />Misc and Unlisted Items @ 5% $960,000
<br />Permitting @ 20% $3,850,000
<br />Engineering @ 15% 2 890 000
<br />Subtotal $26,951,500
<br />Contingency @ 30% $8,090,000
<br />s
<br />�= -{ EST/MATED TOTAL (rounded to nearest �900,OOQ) a35,000,000
<br />, � .
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<br />P:\0246 CbM Engineers\0246.001.00 Rio Grande Resenroir Enlargement Study\EOC.xIs
<br />10/31/2006
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