RENOVATE SELWAY FALLS ANADROMOUS FISH PASSAGE TUNNEL

1
RENOVATE SELWAY FALLS ANADROMOUS FISH PASSAGE
TUNNEL
IDAHO DEPARTMENT OF FISH AND GAME CLEARWATER
REGION LEWISTON, ID
2
CLEARWATER RIVER DRAINAGE
3
ISSUES
PASSAGE TUNNEL CONSTRUCTED IN LATE
1960S INFRASTRUCTURE OF WOODEN BEAMS AND METAL
BRACKETS ARE DETERIORATING OR MISSING ENGINEERIN
G EVALUATION IDENTIFIED NEEDED REPAIRS AND COSTS
ESTIMATES NEED TO MONITOR SUCCESS OF ANADROMOUS
FISH UTILIZING TUNNEL IN COMPARISON TO STUDY
CONDUCTED IN 1996
4
(No Transcript)
5
OBJECTIVES
RENOVATE AND/OR RECONSTRUCT DETERIORATED
INFRASTRUCTURE WITHIN TUNNEL MONITOR ANADROMOUS
FISH PASSAGE THROUGH TUNNEL BY USE OF RADIO TAGS
6
APPROACH
USE NICHOLLS ENGINEERING RECONSTRUCTION
DESIGN RADIO TAG AND MONITOR PASSAGEWAYS FOR
CHINOOK SALMON AND STEELHEAD TROUT AFTER
RENOVATION
7
PRODUCT
MONITORING OF PASSAGE AND SUBSEQUENT SPAWNING
GROUND COUNTS SHOULD IMPROVE WITH IMPROVED
PASSAGE ESPECIALLY DURING PERIODS OF EXTREME FLOWS
8
(No Transcript)