Effectiveness of Angled‐screen Intake System
Publication: Journal of Hydraulic Engineering
Volume 114, Issue 6
Abstract
The Unit 6 intake system at Niagara Mohawk Power Corporation's Oswego Steam Station Unit 6 is designed to mitigate periodic losses of Lake Ontario fish by bypassing and returning to the lake those fish that enter the offshore intake. Fish are diverted along four traveling water screens installed in a chevron arrangement angled with respect to the flow. Jet pumps provide bypass flow necessary for fish return to the lake. Three years of information on the operational and biological effectiveness of the angled‐screen fish diversion system are presented and discussed. System components are discussed in terms of maintenance requirements and operation relative to an adjacent conventional intake system (Unit 5). Hydraulic measurements are also presented. Biological effectiveness of this system is compared with that of a once‐through system with conventional vertical traveling screens. Evaluation of fish survival up to 96 hrs after diversion indicates seasonal and species‐specific survival.
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References
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Information & Authors
Information
Published In
Journal of Hydraulic Engineering
Volume 114 • Issue 6 • June 1988
Pages: 626 - 640
Copyright
Copyright © 1988 ASCE.
History
Published online: Jun 1, 1988
Published in print: Jun 1988
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