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SALMON CREEK WASTEWATER TREATMENT PLANT, PHASE 3

Project description: Expansion of wastewater treatment plant to accommodate service area growth for next 10 years. The project will increase the plant's liquid treatment capacity from 7.4 million gallons per day (mgd) to 10.3 mgd, and its solids treatment capacity from 5.6 mgd to 10.3 mgd. Work includes: demolish and abandon influent screening and flow measurement headworks, sludge storage lagoon, chlorine contact chamber and effluent pump station; and construct new primary treatment, preliminary treatment, aeration basin, secondary clarifier, RAS/WAS pump station, ultraviolet disinfection/effluent pump station, anaerobic digesters and digester control building, solids processing center, biosolids storage, electrical building and operations center. The project also includes modifications to existing control andmaintenance buildings, a blower building, gravity belt thickener building, digester control complex, aeration basins and secondary clarifiers.

Address: 15100 N.W. McCann Road, Vancouver
Original contract amount: $35,914,405
Start of construction: July 1, 1996
Expected completion date: December 1998
Contractor: Humphrey Construction Inc., P.O. Box 907, Woodinville, WA 98072-0907, 206-488-2400
Engineer: CH2M Hill, 825 N.E. Multnomah, Suite 1300, Portland, OR 97232, 503-235-5000
Owner: Clark County
Project participants: A.C.&S. Inc.; A-1 Master Crane and Hoist Service; ACF West Inc.; American Fire Protection; American Sigma; Ameron-CSPG Northwest Division; Applied Systems; Arthur Forsyth Co.; Asdor Limited; Beckwith & Kuffel; Behrmen Transport Inc.; Cascade Controls & Electric Supply; Cascade Industries Northwest Inc.; Century West Engineering, Materials Testing and Inspection Division; Champion Business Systems; Charles R. Watts Co.; Construction Specialties; Corrpro; Crown Controls; Dan Hunt & Assoc.; Delta Environmental Inc.; DeZurik; Don-Frank Co.; DYK Inc.; EIMCO; Engineered Storage Products; Enviroquip Inc.; Fairbanks Morse Pump Corp.; Familian Northwest; Ferrotek Corp.; Fluidmotion; Ford Hall Co.; Foundation Engineering; GA Industries; Global Environmental Machinery Corp.; Granich Engineering; Grating Fabricators Inc.; H.D. Fowler Co.; Halliday Products Inc.; Halton Engine Systems; Harris Rebar Seattle Inc.; Hellan-Cleveland Gear; Hydronix; Inland Foundry Co. Inc.; Interior Technology; Ironwood Manufacturing; Jack's Overhead Door; John L. Jersey & Son Inc.; Keller Commercial Supply; KeyWest Retaining Systems Inc.; KGS & Assoc.; Landa Service Center; Liberty Equipment & Supply Co.; Massie Masonry; Material Systems Engineers; Mechanical Sales; Morse Construction Group Inc.; North Star Industries Inc.; Northwest Pump & Equipment; Northwest Welding & Fabrication; Nystrom Products Co.; Olympic Steel Fabricators Inc.; Otis Elevator; P.I.P.E. Inc.; Pacific Hardware and Specialties; Parkson; PCE Pacific Inc.; Polychem; Portland Typewriter; Queen Pump Co.; Red Valve Co.; Robbins & Myers Inc., Fluids Handling Group; Robert Lloyd Sheet Metal Inc.; Rodney Hunt; Rogers Machinery; Roof Toppers; Ross Island Sand & Gravel Co.; Sanitaire; Schulz Enterprises; Skyline Sheet Metal Inc.; Smith & Loveless Inc.; Smithway Co. Inc.; Staco Well Services Inc.; Stiles Hollow Metal; Sur-Lite; Technical Systems Inc.; Tenco Hydro Inc.; Thompson Fabricating Co.; Tigard Electric Inc.; Tourangeau Nor Wes Corp.; TraneOregon; Vancouver Paving Co.; Vantel Northwest Communications; Waterman; Waterworks Manufacturing; Western Concrete Pumping; Western Partitions; Whitney Equipment; Wiegand Assoc. Inc.; Willamette Fence; Wm. H. Reilly & Co.; Yeomans Chicago Corp. (Morris Pumps); E.P.I. Northwest; RTB; Beaver Equipment; Granich Engineering; H.D. Fowler; Goble Sampson Assoc.; Antec; Industrial Pump; ADS Equipment; and A&K Supply.

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