9593

• UCREFRP Catalog Number: 9593
• Author: Tetra Tech Inc.
• Title: Concept Development Report Hartland Diversion Dam Fish Passage Structure Delta, Colorado.
• USFW Year: 2000.
• USFW - Doc Type: Grand Junction, CO.
• Copyright Material: NO

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LIST OF FIGURES
Figure 2.1 Project Site Location Map ................................................................................. 3
Figure 5.1 Project Plan View with Cross Section Locations - Hartland Diversion .................19

LIST OF TABLES

Table E.1
Table 4.1
Table 4.2

Table 4.3

Table 4.4
Table 5.1
Table 5.2
Table 7.1
Table 7.2
Table 7.3
Table 7.4
Table 7.5
Table 7.6
Table 8.1
Table 8.2
Table 8.3
Table C.1
Table C.2

Summary of Alternatives ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... .'. ... ..' ... ... ... E-2
Peak Flows for Return Periods on the Gunnison River at Delta, CO ............... 14
Mean, Minimum and Maximum Average Daily Flows by Month on the Gunnison
River at Delta, CO for Period of Record of 1977-1998... ... ... ... ... ... ... ... ... ... ... .... 15
Frequency Analysis for Water Years 1977-1998 on the Gunnison River at Delta,

CO ............................ ................................................................................... . 15

Descriptions of Design Flows...................... .... ....... ......................................... 17
Summary o'f Manning's n Values Used in the Gunnison River Hydraulic Model .20
Water Surface Elevations (ft) for Range of Flows under Existing Conditions ..... 21
Summary of Water Surface Elevations for Existing and With Ladder................ 32
Summary of Hydraulic Parameters for Fish Passage Alternatives .................. 33
Conceptual Design Alternative I - Opinion of Probable Costs ......................... 38
Conceptual Design Alternative II - Opinion of Probable Costs ........................ 40
Conceptual Design Alternative 111- Opinion of Probable Costs ....................... 42
Summary of Alternatives................................................................................. 45
Summary of Hydraulic Conditions for 20 cfs in the Spill Channel..................... 49
Opinion of Probable Costs: Option A: Vertical Plates ...................................... 51
Opinion of Probable Costs: Option B: Paddlewheel Drums ................................. 52
Results of Model Calibration for 4/17/99.......................................... ............... C.2
Results of Model Calibration for 5/03/99......................................................... C.2