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<br />Steel pipe liner will be installed along with shotcrete and rock bolts in various repair areas. <br />Existing concrete lined sections will be repaired and stabilized. Once this is complete. <br />approximately 800 cubic yards of rock will be removed from a 400-foot section where the <br />collapse occurred. and that portion of tunnel will be rehabilitated. <br /> <br />A temporary rail system will also be installed from the west portal. and repairs and bracing work <br />will be completed on existing timbered supported sections. Portions of the west tunnel will be re- <br />mined and rehabilitated with steel supports. A trash rack and steel door will be constructed at <br />the east entrance, and the downstream deflection wall will be repaired. <br /> <br />Rocky Mountain Consultants (RMC) has prepared engineering designs and cost estimates for <br />the project. Conceptual plans as prepared by RMC are included in Appendix H. <br /> <br />The estimated cost of the completed project is $4.1 million. The cost breakdown is summarized <br />in Table 2. The RMC Preliminary Design report and detailed cost estimate are included in <br />Appendix C. <br /> <br />Table 2" Tunnel Water Company <br />Laramie-Poudre Tunnel Project - Cost Estimate <br /> <br /> Item Quantitv Unit Unit Price $ Amount $ <br />Mobilization 1 Job 32,000 $ 75,000 <br />Improve Access Road 3200 Feet $165,000 <br />Improve Eastern Portal 1 Job $179.000 <br />Remove Muck From Tunnel 800 C.Y. 112.5 $ 90,000 <br />Install Temoorarv Rail 8,333 Feet 55 $458,315 <br />Steel Pipe 463 Feet 1300 $601,900 <br />Rockbolts 363 250 $ 90,750 <br />Steel and Steel Sets For Tunnel Job $234,480 <br />Celluar Grout 805 C.Y. 925 $744,250 <br />Shotcrete 128 C.Y. $239.600 <br />Drill Probe Holes 390 L.F. 25 $ 9,750 <br />Remine and Brace Sections 176 Feet 1020 $179,600 <br />Repair Stillinq Basin Job $ 31,500 <br />Rearade and Restore Staaina Area & Rd. Job $ 49.000 <br />Remobilize (If Required) Job $140,000 <br />Enqineerinq Desiqn and Supervision 1 Job $267.850 <br />Continaencv 1 Job 15% $525.000 <br />Leqal Assistance Job $ 8,500 <br />U.S. Forest Service Fees Job $ 9,645 <br /> Total $4,099,140 <br /> <br />Implementation Schedule <br /> <br />RMC is expected to complete the final design by December 2000. Construction is expected to <br />begin December 2000 and to be completed by July 2001. <br /> <br />TUlllIel Water Company <br />Laramie-Poudre Tunnel Feasibility Study <br />September 2000 (Updated December 2000) <br /> <br />Page 10 of 15 <br />