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<br />Tunnel Wa1er Co.
<br />January 24-25, 2001,
<br />
<br />Agenda Item lOb,
<br />
<br />The Tunnel Water Ccmpanv
<br />The TWC is a mutual ditch company and a non-profit corporation registered in the State of
<br />Colorado, There are 2 shareholders and 450 shares of stock, The TWC is two thirds owned by
<br />the Water Supply and Storage Company (WSSC) with 300 shares, and one third owned by the
<br />Windsor Canal and Reservoir Company (WCRC) with 150 shares, The TWC has the power to
<br />set annual assessments to be paid by the shareholders, the power to cut off water deliveries to
<br />shareholders that fail to pay their assessments, and the power to offer stock for sale to pay
<br />back assessments,
<br />
<br />Water RIQhts
<br />The water rights diverted through the Laramie-Poudre Tunnel consist of 4 rights with priorities
<br />ranging from # 71 to # 75 and totaling 30D cfs, Table 1 is a summary of these rights,
<br />
<br />Table 1: Summary of Water Rights
<br />
<br />Name of Ri ht
<br />Ditch No, 72
<br />Ditch No, 73
<br />Ditch No, 74
<br />Ditch No, 76
<br />Total
<br />
<br />Name of Ditch
<br />Rawah
<br />Rawah and Lower Su
<br />Mcln re
<br />Laramie River Tunnel
<br />
<br />Priorit #
<br />71
<br />72
<br />73
<br />75
<br />
<br />CFS
<br />
<br />300
<br />300 CFS
<br />
<br />The maximum annual volume that may be diverted was set by V,S, Supreme Court case
<br />WyominQ v, Colorado case May 13, 1957, and totals 19,875 acre-feet. Records of the State
<br />Engineer's Office indicate that the average annual volume has been 15,085 acre-feet.
<br />
<br />Proiect Description
<br />Five alternatives were analyzed in the feasibility study:
<br />
<br />1, The no-action alternative,
<br />2, Rebuild only the collapsed portion of the tunnel ($1 million,)
<br />3, Rebuild the collapsed portion of the tunnel, and other sections of the tunnel that are
<br />found to be in need of immediate reconstruction, ($1,77 million,)
<br />4, Bore a new tunnel ($22 million,)
<br />5, Rehabilitate the eastern Y2 and parts of the western ]12 of the tunnel ($4.1 million, revised
<br />up from the initial estimate of $2,33 million,)
<br />
<br />Altemative 1" The no-action alternative is unacceptable since it means the TWC could not
<br />deliver water to its shareholders,
<br />
<br />Alternative 2, rebuild only the collapsed portion of the tunnel, was ruled out because it is not a
<br />reliable approach, There are several other areas in the tunnel that are in imminent danger of
<br />collapse, These areas must be repaired to ensure the tunnel operates satisfactorily for the long
<br />term,
<br />
<br />Alternative 3, rebuild the collapsed portion of the tunnel, and other sections of the tunnel that
<br />are found to be in need of immediate reconstruction, was the preferred alternative when the
<br />Company applied for a CWCS Emergency loan in September 2000, However, this alternative
<br />has since been ruled out because of the high cost of remobilization to complete the project.
<br />
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<br />2
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