BPA Fish and Wildlife FY 1997 Proposal
Section 1. Administrative
Section 2. Narrative
Section 3. Budget
see CBFWA and BPA funding recommendations
Title of project
Diversion Screen Improvement to Effect a Reduced Visual Impact in Scenic Areas
BPA project number 5501000
Business name of agency, institution or organization requesting funding
Clouston Energy Research
Sponsor type OR-Consultant
Proposal contact person or principal investigator
|Name||Sidney N. Clouston, Jr.|
|Mailing address||Clouston Energy Research
ATTN: Sidney N. Clouston, Jr.
7846 S.W. 171st Pl.
Beaverton, OR 97007
BPA technical contact , EWN
Biological opinion ID
NWPPC Program number 10.2C, 13.1F, 2.2C, 7.1C
An engineering modification to the diversion screen design. The focus is on the drive component (i.e.. the large paddle wheel) and improved debris removal. Collaboration with the ODF&W John Day Fish Screen Shop in fabrication and test tasks.
Project start year 1997 End year 1997
Start of operation and/or maintenance 1997
Project development phase Implementation
Biological results achieved
Annual reports and technical papers
Specific measureable objectives
Because concern has been expressed to Bonneville Management regarding the visual
impact that diversion screens present, a discussion on a remedy resulted. The large
paddle wheel presents the greatest silhouette noticed in the scenic area. A valid
engineering modification has been suggested, it will eliminate the large paddle wheel
with a low cost, perhaps lower cost mechanical method. The second modification
would allow improved debris removal from the drum-screen. Therefore, the acceptance
of screening will improve due to water rights concern over quantity delivered through the
We can expect that the force of water flowing through the screen be sufficient to turn
a paddle wheel of a different configuration within the screen-drum. If the contact area
is equal to or greater than the external type paddle wheel. If larger volume of water is
flowing through the screen between 50- 75% of the height. What is the optimum height
for this design?
Underlying assumptions or critical constraints
Approach velocity must be acceptable to NMFS to maintain non impingement of smolt.
Within the screen-drum, an axle within the bearing sleeve that supports the drum will
have paddles. Although not as high as the typical paddle wheel currently in use the area
of force contact can be as great or greater. The new paddle can have curvature, a different orientation and surface changes. The axle has gears typically at a 10 to 1 ratio.
The long drive shaft and large paddle wheel will be eliminated with this improvement. Discussion with Coby Moulton the Manager of the Oregon Department of Fish & Wildlife's John Day Fish Screen Shop, has stated interest in collaboration in Fish
Screen improvement and development projects.
Brief schedule of activities
A Computational Fluid Dynamics (CFD) study task can be accomplished at Portland
State University's Civil Engineering Department. The award winning software from the
National Aeronautical and Space Administration (NASA) called INS3D as an "in kind"
grant has been given in support of three demensional engineering studies. And in support
of improvement efforts to Fish Screens for endangered species of salmon fish. NASA's granting the use of INS3D was effected by the efforts of Clouston Energy Research and
Federal Technology Transfer groups. A physical fabrication and testing task can be coordinated with local BPA approved
contractors and Clouston Energy Research. Ownership discussion or waiver is suggested.
The need for diversion screens has been well established. No definate design has been
included in regulations. Only certain requirements must be met as outlined by the National Marine Fisheries Service. One of the goals of the Northwest Power Planning
Council is to conserve genetic diversity of the endangered species in the native habitat.
Because of livestock watering and irrigation ditches, screening must be implemented
or large loss of populations of salmon offspring will perish.
Summary of expected outcome
The expected result of the screen improvements will be lower cost and much lower visual impact of scenic areas.
Dependencies/opportunities for cooperation
A CFD task is optional with Portland State University Civil Engineering Professors and
students. Collaboration with ODF&W's John Day Fish Screen Shop is available.
Engineering students can become more knowledgeable of methods of implimentation
of endangered species rescue and improved civil engineering planning.
Initial monitoring by Battelle Pacific Northwest Lab can be effected by a task order. During normal operation and maintenance activities continued monitoring can be with State agencies (ex. ODF&W) or private contractors (ex. Trout Unlimited) for an
independent review. Clouston Energy Research will be available as well.
|Historic costs||FY 1996 budget data*||Current and future funding needs|
|(none)||New project - no FY96 data available||1997: 15,000|
* For most projects, Authorized is the amount recommended by CBFWA and the Council. Planned is amount currently allocated. Contracted is the amount obligated to date of printout.
CBFWA funding review group System Policy
Recommendation Tier 3 - do not fund