WSP12666

• File Number: 8230.400.30.F
• Description: Durango RICD - Other Reports
• State: CO
• Basin: Colorado Mainstem
• Water Division: 7
• Date: 3/1/2006
• Author: Gary Lacy
• Title: Report on the Design, Functionality, and Physical Characteristics of the Durango Boating Park as it Relates to the RICD Application
• Water Supply Pro - Doc Type: Report/Study

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Abstract...................................................................................................................... ......... 3

Introduction.................................................................................................................. ....... 3

Current Conditions.............................................................................................................. 5

The Animas River in Durango......................................................................................... 5

Smelter Boating Park...................................................................................................... 6

Geomorphic conditions at Durango Boating Park.............................................................. 8
Current Flows at the Proposed Boating Park Location................................................... 9
Animas River User Groups............................................................................................... 11

The City of Durango..................................................................................................... 12

Associated Design Criteria....................................................................................... 12

Environmental Groups/Fishing..................................................................................... 13

Associated Design Criteria: ...................................................................................... 14

Commercial Rafting...................................................................................................... 14

Associated Design Criteria: ...................................................................................... 15

Leisure Boater............................................................................................................... 15

Associated Design Criteria: ...................................................................................... 17

Top-Level Boater..................................................,....................................................... 17

Associated Design Criteria....................................................................................... 18

Retailers/Residents........................................................................................................ 18

Associated Design Criteria: ...................................................................................... 19

Spectators.................................................................................................................... .. 19

Associated Design Criteria: ................... ................................................................... 19

Other ............................................................................................................................. 19

Associated Design Criteria: ...................................................................................... 20
Proposed Improvements.................................................................................................... 21

Process.............................. ......................... ................................................................... 21

Durango Boating Park................................................................................................... 22

Construction issues: .......................................................................................................... 24

U -Structures...................................................................................................................... 25

Low Flow.................................................................................................................. 29

Higher Flows............................................................................................................. 30

Depth of flow................................................................................................................ 32

Approximate dimensions and functionality ofU-Structures designed for the Animas

River......................................................................................................................... ......... 32

Necessary Flows for the Durango Boating Park............................................................... 38

Conclusion........................................................................................................................ 48

References: .............".......................................................................................................... 50

Appendix 1. Site selection DSP for the Durango Boating Park ...................................... 5]
Appendix 2. Preliminary Design Plan for the Durango Boating Park............................. 53
Appendix 3. Land Ownership Information...... ................................................................ 55
Appendix 4. Location map Animas River: Durango Boating Park ..................................57

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