11.07.2015 Views

L - Alaska Energy Data Inventory

L - Alaska Energy Data Inventory

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POWERPLANTThe access tun~el to the powerplant has been replaced with a housedvertical entrance shaft and elevator. This shaft will be 20 feet by 30feet wide by 548 feet deep and will house an elevator capable of liftingthe largest items required in the powerhouse. The l85-foot long accesstunnel will connect the access shaft to the powerplant. The elevatorwill provide equipment, personnel, and vehicular access to the powerplantlevel at elevation 907 feet.PENSTOCKS AND WATERWAYSThe selective withdrawal system has been revised to be more comparablewith those currently in use at other projects. The system hasbeen designed to select water at elevations within the reservoir whichwill allow meeting downstream water quality requirements. This revisionrequired a larger concrete structure on the upstream face of the damto accommodate the gates, trashrack, bulkheads, and operating equipment.B-6

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