WSP05449 - Laserfiche WebLink

Home Browse Search

COLORADO-BIG THOMPSON PROJECT (1) Marys Lake and Estes Power Plants, Olympus Dam and Horsetooth Feeder Canal. Description: ~~rys Lake powerplant will be located on the south- west side of Marys Lake and will be a reinforced concrcte structure approximately 62 feet wide and 64 feet long. Estes powerplant will be located on the right bank of the Big Thompson River and will be a reinforced concr~te structure approximately 98 feet wide and 145 feet. long. Olympus Dam will consist of a concrete gravity-type spillway sec- tion at the right abutment and an earth embanlanGnt, extending from the concrete section across the river channel to the loft abutment, with a total crest length of approximately 1,880 feet and a maximum height above the river bed of about 56 feot. Horsetooth Feeder Canal will be 13 miles long and contain four tunnels. . Program FY48: Construction will be continued on Harys lake and Estcs poworplants and according to the contractor's schedule, will be 65 percent complete at the end of fi~cal year 1948. Work on 01ympus Dam will consiGt of foundation stripping, con- crete placing, grouting, stripping of borrow pits, and placing of em- bankment. Contractor's schedule calls for 62 percent completion at tho end of fiscal year 1948. Contracts have been awarded for the construction of tunnels 2, 3, 4, and 5 on the Horsetooth Feeder Canal and are scheduled for 73 per- cent completion by the end of the fiscal year. Accomplishments FY48: Excavation has been completed for Marys Lake powerp1ant and a start has been made on placing concrete in the substructure and in the switchyard. This contract was 34.1 percent complete with 47 percent of contract time elapsed. Excavation at Estes powerplant was completed and cleanup work was in preparation for placing concrete in substructures. This contract was 16.8 percent complete with 47 percent of the time elapsed. Excavation for foundation has been completed at Ol~npus Dam, and placing of embanlanent has been started (155,000 yards), and a start made on placing of concrete (13,300 yards). The contract was 58.7 percent complete and 37 percent time elapsed. Excavation was completed for tunnels 2, 3, 4, and 5, and a start made in placing concrete in the arch and floors. Total contract for Horsetooth Feeder Canal and tunnels is 59.1 percent complete with 54.7 percent of time elapsed. . 32