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<br /> EXHIBIT 6-1 OPINION OF PROBABLE COST
<br />PROJECT: !Long Hollow Dam and Reservoir I DESIGN LEVEL: PROJECT NO:
<br /> 1100 high dam, 5400 acre-foot storage reservoir I Feasibility 991..077.120
<br /> DESCRIPTION QUANTITY UNIT UNIT PRICE AMOUNT
<br />PreD8ratJon for Construction
<br />Mobililation I Demobilization 1 LS $300,000 $300,000
<br />Sediment & Erosion Control ~ during construction 1 LS $50,000 $50,000
<br />Water Control and Dewatering 1 LS $50,000 $50,000
<br />Site Worlc
<br />Clear & Grub Surface - from Borrow Sources Included In Earthwork prices
<br />Strip and StockpQe Topsoil from Borrow Sources Included In Earthwork prices
<br />Haul Topsoil to Dam, place 6 Inch thick. no compaction specification 40,000 CY $4 $160,000
<br />Revegetate -embankment, all construction disturbance downstream of dam
<br /> and above max. reservoir elevation 60 A,ro $1.500 $90,000
<br />Instrumentation 1 LS $100,000 $100,000
<br />Access Road along crest (furnish & place compacted Class 7 base course) 250 CY $30 $7,500
<br />Curtain Wall Grouting 1 LS $630,000 $630,000
<br />Earthwork
<br />Embankment Foundation Fill (Lewis Shale)-n1ace 13M comoact
<br />Rio dearade moisture condition and haul- from Area 1 138,000 CY $" $1,242,000
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<br />Embankment FI/T (LeWis Sha/eJ-olace and comoad from the Borrow Sources:
<br />Rio dP-CIrade moisture conditinn and haul_fmm Dam Foundation 138,000 CY $7 $966,000
<br />~io dearade moisture condition and haul.from Seeoaa8 Blanket 52,000 Cy $7 $384,000
<br />RID deorade moisture condition and haul-from SoIllwav 285,000 CY $' $1,325,000
<br />Rio deoradp. moisture cnnditinn :md haul_tram Area 1 178,000 Cy $9 $1,602,000
<br />SeeoaaA Blankets RII (LAW!" Shale)-olace and comoact
<br />Rio deorade moisture condition and haul- from Area 1 52,000 CY $9 $468,000
<br />Chl,:"nev Drain (furniSh from offsitA :md Dlace a 3 font la~r\ 15,000 CY $40 $600,000
<br />R1Drar> C1iffhOuse Sandstone (drill, blast, load haul, place) 50% borrow yield 21,000 Cy $35 $735,000
<br />Outlet Conduit
<br />Concrete, reinforced in Outlet Conduit (furnish and place) 1,800 CY $32' $585,000
<br />Outlet Pipe 318 inch welded steel pipe 900 LF $'50 $495,000
<br />Howell Bunger valve- 24 inch 1 EA $87,000 $87,000
<br />Jet Valve for byPass-12 inch 1 EA $52,000 $52,000
<br />Outlet Operating Building 1 EA $25,000 $25,000
<br />Concrete, reinforced - Baffled Outlet (furniSh and place) 60 CY $550 $33,000
<br />Flow Meter -12 Mag-Meter 1 EA $11,000 $11,000
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