Peter Kiewit Sons – North Harrison Lake

Arden Consulting Engineers Ltd. were retained to develop water supply, water treatment system and infrastructure to support their 200 man construction camp, office buildings and dining hall. The water supply system included the completion of an 8\” diameter, 70 foot deep drilled well producing 50 US gpm. The treatment system included four 5,000 Igal water reservoirs, 1 micron filtration and disinfection using Ultra Violet Lamps. The treated water was supplied to 375m of 4\” diameter C-900 water main using duplex 3 hp booster pumps capable of supplying a peak demand of 130 US gpm at 50 psi. Fire protection was provided with a 15 hp centrifugal pump capable of producing 400 US gpm at 40 psi.

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