7869

• UCREFRP Catalog Number: 7869
• Author: FLO Engineering, I.
• Title: Concept Development Report, Grand Valley Irrigation Company, Diversion Dam Fish Passage Structure, Palisade, CO.
• USFW Year: 1996.
• USFW - Doc Type: Contract No. 1425-6-CA-40-1730A,
• Copyright Material: NO

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TABLE OF CONTENTS, Continued
Figure 4.2b Grand Valley Irrigation Company Diversion Dam Fish Passage Study,
Water Surface Elevation versus Flow Rating Curve
for Section 400.24 (Downstream from Dam, Left Side of Channel) ................ 20
Figure 4.2c Grand Valley Irrigation Company Diversion Dam Fish Passage Study,
Head versus Flow for Section 400.24 (Floodgates, Right Side of Channel) ......... 21
Figure 4.3a Grand Valley Irrigation Company Diversion Dam Fish Passage Study,
Water Surface Elevation versus Flow Rating Curve
for Section 400.26, (Upstream from Dam, Right Side of Channel) ................ 22
Figure 4.3b Grand Valley Irrigation Company Diversion Dam Fish Passage Study,
Water Surface Elevation versus Flow Rating Curve
for Section 400.26 (Downstream from Dam, Left Side of Channel) ................ 22
Figure 4.4a Grand Valley Irrigation Company Diversion Dam Fish Passage Study,
Water Surface Elevation versus -Flow Rating Curve
for Section 400.33 (Upstream from Dam, Right Side of Channel) ................. 23
Figure 4.4b Grand Valley Irrigation Company Diversion Dam Fish Passage Study,
Water Surface Elevation versus Flow Rating Curve
for Section 400.33 (Downstream from Dam, Left Side of Channel) ................ 23
Figure 4.5a Grand Valley Irrigation Company Diversion Dam Fish Passage Study, ..
Water Surface Elevation versus Flow Rating Curve
for Section 400.37 (Upstream from Dam, Right Side of Channel) ................. 24
Figure 4.5b Grand Valley Irrigation Company Diversion Dam Fish Passage Study,
Water Surface Elevation versus Flow Rating Curve
for Section 400.37 (Downstream from Dam, Left Side of Channel) ................ 24
Figure 4.6 -Grand Valley Irrigation Company Diversion Dam Fish Passage Study,
Water Surface Elevation versus Flow Rating Curve
for Section 400.4 ...................................................... 25
Figure 4.7 Grand Valley Irrigation Company Diversion Dam Fish Passage Study,
Flow over Weir Section between 400.40 and 400.37 versus Total Flow ............ 27
Figure 4.8 Grand Valley Irrigation Company Diversion Dam Fish Passage Study,
Flow over Weir Section between 400.37 and 400.33 versus Total Flow ............ 27
Figure 4.9 Grand Valley Irrigation Company Diversion Dam Fish Passage Study,
Flow over Weir Section between 400.33 and 400.26 versus Total Flow ............ 28
Figure 4.10 Grand Valley Irrigation Company Diversion Dam Fish Passage Study,
Flow over Weir Section between 400.26 and 400.24 versus Total Flow ............ 28
Figure 4.11 Grand Valley Irrigation Company Diversion Dam Fish Passage Study,
Flow through Gates versus Total Flow ...................................... 29
Figure 4.12 Grand Valley Irrigation Company Diversion Dam Fish Passage Study,
Flow through Gates versus Total Flow on Left Side ................. . ......... 29
Figure 5.1 Conceptual Plan View of Alternate 1 Fish Passage ............................ 36
Figure 5.2.A Conceptual Plan View of Alternate 2A Fish Passage ........................... 41
Figure 5.2.B Conceptual Plan View of Alternate 2B Fish Passage ........................... 43
Figure 5.3 Conceptual Plan View of Alternate 3 Fish Passage ............................ 49
Figure 5.4 Project Plan View with Existing Flow Patterns and Potential Improvements ......... 55
Figure 5.5 Comparison of Pre-Structure and Post-Structure 100-yr Flood Elevations .......... 57
Figure 5.6 Comparison of Pre-Structure and Post-Structure 100-yr Flood Elevations
with FEMA Flood Insurance Study Data .................................... 57