CRIPPEN ENGINEERING LTD. 1605 HAMILTON AVENUE / NORTH VANCOUVER, 8.C. / CANADA V7P 219 TELEPHONE: (604) 995-4111 / TELEX: 04-342629 / CABLE: CRIPENG MAILING ADDRESS: P. 0. Box $6698, North Vancouver B. C., Canada V7L 4L2 ce 3 September 1976 Department of Environment Water Resources Service Water [nvestigations Branch 204 - 780 Blanshard Street Victoria, B. C. V8V 1X5 Attention: Mr. E. W. D. Bonham, P. Eng. Reference: Port Coquitlam Flood Protection Works Construction Costs : File: 10405.200.001 ‘Dear Sirs: Our Final Design Report of 17 August 1976 contains a cost estimate for Contracts 1 and 2 based on April 1976 prices. The estimate has been revised including supervision and contingencies, as follows: April:1976 Prices . Contract } Contract 2 Schedule 1A Schedule 18 $ $ Estimated Contract Prica 1,442,000 1,696,000 2,517,000 Contingencies, 10% Allowance 144,000 170,000 252,000 Estimate for ; Supervision 144 000 170,000 252,000 TOTAL COST . 1,730,000 ~ 2,036,000 3,021,000 If it is assumed that Contract 1 will commence construction in January 1977, and Contract 2 in July 1977, they would overlap by about 6 months. In this case the estimate for supervision on Contract 2 would be reduced by about 30 per cent. Escalation from April 1976 to January 1977 for Contract | and to July 1977 for Contract 2 has been allowed for at 10 and '5 per cent respectively giving the following estimated costs: ou oa ‘a hain vie bat