PROJ00455

• Contract/PO #: C153583
• Contractor Name: Ute Water Conservancy District
• Water District: 0
• Bill Number: XB 99-999
• Loan Projects - Doc Type: Feasibility Study

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5.0

6.0

7.0

TABLE OF CONTENTS
(CONTINUED)

TUNNEL ALTERNATIVES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 14

5.1 General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 14
5.2 Geologic Conditions ............................................ 14
5.3 Permit Considerations .......................................... 15
5.4 Design Considerations .......................................... 15
5.5 Construction Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 17
5.6 Maintenance Considerations ...... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 18
5.7 Cost Estimate and Schedule ...................................... 18

BYPASS PIPELINE ALTERNATIVE..................................... 24

6.1 General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 24
6.2 Subsurface Condition ........................................... 25
6.3 Permitting Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

6.3.1 Colorado Department of Highways ........................... 28
6.3.2 Colorado Historical Society ................................ 29
6.3.3 United States Army Corps Of Engineers ...................... 29
6.3.4 Bureau of Land Management ............................... 33
6.3.5 Bureau of Reclamation .................................... 33
6.3.6 Colorado Department of Fish and Wildlife . . . . . . . . . . . . . . . . . . . .. 33
6.3.7 Denver Rio Grand Railroad ................................ 34

6.4 Design Considerations .......................................... 34
6.5 Pipeline Construction Method and Considerations ..................... 36
6.6 Maintenance Considerations ..................................... 39
6.7 Cost Estimate and Schedule ...................................... 40

ALTERNATIVE EVALUATION AND LIFE CYCLE ANALYSIS ................ 43

7.1 Life Cycle Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 43
7.2 Schedule Comparison ........................................... 44
7.3 Comparative Evaluation ......................................... 44