Cowlitz County Public Utility District 1 Civicplus #95052

Cowlitz County Solicitation for Water Mains and Packaged Booster Pump Station Construction

Cowlitz County Department of Public Works is seeking bids for the Shadow Mountain Water System Project in Toutle, Washington. - Scope of Work: - Installation of approximately 1,800 linear feet of water main: - 62–64 linear feet of 12-inch diameter PVC water main (ANSI/AWWA C900 or approved equal) - 1,050–1,140 linear feet of 8-inch diameter PVC water main (ANSI/AWWA C900 or approved equal) - 670–694 linear feet of 4-inch diameter HDPE water main (DriscoPlex 4100 or approved equal, SDR 9, ASTM D 3350 PE 4710) - Construction and installation of a packaged booster pump station (Precision Pumping Systems or approved equal) - Includes pump, piping, sensors, VFDs, PLC-based control system (Allen-Bradley components), UL 508A listed control panel, HMI touchscreen, and remote telemetry - Mechanical, electrical, and control improvements - 32-gallon pre-pressurized diaphragm tank, valves, instrumentation, motor control panel, and telemetry system - Testing, startup, and training included - Installation of fire hydrants, gate valves (NSF-61 rated, 250 psi), blow-off assemblies, and domestic service connections - Notable Requirements: - All materials must be NSF/ANSI 61 certified for potable water - Compliance with prevailing wage laws, erosion control, and traffic management - Warranty: 1 year for work and products; pump station manufacturer provides 12-month warranty and 25-year rust-through corrosion warranty on piping/skid base - Pre-bid site meeting recommended - OEMs Highlighted: - Precision Pumping Systems (packaged booster pump station) - Allen-Bradley (PLC-based control system components) - DriscoPlex (HDPE pipe) - No specific part numbers provided; "or approved equal" language allows for equivalent products - No explicit contract value stated; estimated value based on scope and typical costs

Description

This solicitation is for the construction of water mains and a booster pump station in Cowlitz County, Washington. The project includes installation of approximately 62 linear feet of 12-inch diameter water main, 1,050 linear feet of 8-inch diameter water main, and approximately 670 linear feet of 4-inch diameter future reservoir fill line. The work also involves mechanical improvements, electrical, and controls for a county-provided booster pump station, along with domestic service connections and fire hydrants. The 4-inch mains will be installed from the existing reservoir near the high school along a proposed easement and existing roadway, terminating at Halo Rim Drive, while the 8-inch mains will be installed along existing development roadways and utilities easements.

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