OCR

CONTRACT SUMMARY Name of Project: Mossyrock Diversion Tunnels Owner: City of Tacoma, Department of Public Utilities Engineer: Harza Engineering Company Scope of Work: Construction of two unlined diversion tunnels 1,500 feet in length, having a cross-section 35 feet wide by 39-1/2 feet high. Steel supports where necessary and fish resting pools to be constructed at 100 ft. intervals. Requires the excavation of approximately 278,000 cubic yards of rock. Bid Date: April 6, 1964 Type of Contract: Firm unit price Result of Bid Opening: Utah Construction & Mining Co. $ 1,903,700 Oravo 2,042,000 Guy F. Atkinson 2,106,200 Arundel-Dixon (Gibbons & Reed et al) 2,190,960 Morrison-Knudsen 2,215,410 Boyles Bros. 2,474,505 Engineers Estimate 2,085,000 Award: April 23, 1964 Contract Executed: April 2 3, 1964 Commencement Date: May 4, 1964 Notice to Proceed: Same Completion Date: 300 days from date contract executed - February 17, 1965 Estimated Profit: $155,745 Method of payment: The engineer will on or about the last day of each month, make an estimate of the value of the work done by the Con¬tractor in the performance of the contract. Owner will pay to the Contractor in the manner provided by law, an amount dqual to 90% of said engineer's estimate. If satisfactory progress is being made on the contract, after 50% of the work is performed, subsequent progress payments may be made in full at the Owner's option.