Unofficial Notice of Invitation to Bid (NIB)

Zone 7 Water Agency - California is seeking bids from qualified and interested contractors for the following project titled, On-Call Well Repair and Maintenance, identified under Solicitation ID: 318-26. Work is to be performed near 100 N Canyons Pkwy, Livermore, CA 94551, USA in Alameda County.

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General Project Description

This project involves providing on-call well maintenance services for the District's nine (9) production wells over a three-year term, renewable for up to an additional two years (total five years), with 3% annual bid item adjustments. The scope of work includes pump and pump column removal/replacement, well cleaning operations, well development, repair and maintenance of pumps, and general on-call maintenance of Zone 7 wells. It also includes mobilization/demobilization, temporary facilities for well water disposal, brush and bail operations, replacement of damaged retainers/spiders, furnishing new pump column segments, well disinfection, and allowances for miscellaneous equipment purchases and extra work. Construction is to be performed in Livermore, Pleasanton, and Dublin, California.

General Bid Items

Quantity: 1 Unit: Lump Sum Work Item: Mobilization and Demobilization for drill rig to remove and replace pump/pump column (maximum 7 day/1 week response time).
Quantity: 1 Unit: Lump Sum Work Item: Temporary Tanks, pumps, piping and associated miscellaneous rental equipment to properly dispose of well water during well cleaning, well development, and well disinfection operations.
Quantity: 600 Unit: Lineal Feet Work Item: Removal/reinstallation of pump and pump column (8 to 10-inch diameter pump column and associated connections), including installing new rubber shaft bushings, suction pipe, and pump column.
Quantity: 300 Unit: Lineal Feet Work Item: Removal/reinstallation of pump and pump column (12 to 14-inch diameter pump column and associated connections), including installing new rubber shaft bushings, suction pipe, and pump column.
Quantity: 30 Unit: Hours Work Item: Brush and bail operations. Specifications: for scrub brushing well screens, then bailing debris from the bottom of the well (rate of brushing not more than 40 feet of screen per hour).
Quantity: 90 Unit: Each Work Item: Replace damaged retainers/spiders.
Quantity: 600 Unit: Lineal Feet Work Item: Furnish new (8 and 10-inch diameter) pump column segments.
Quantity: 300 Unit: Lineal Feet Work Item: Furnish new (12 and 14-inch diameter) pump column segments.
Quantity: 1 Unit: Lump Sum Work Item: Well Disinfection per AWWA 654-03 or more recent standard and disposal in compliance with Municipal Regional NPDES Permit.
Quantity: 1 Unit: Lump Sum Work Item: Miscellaneous Equipment Purchase Allowance – pump or miscellaneous equipment purchases (to be used as directed by the Engineer, $100,000 total).
Quantity: 1 Unit: Lump Sum Work Item: Extra Work Allowance – Rehabilitation, dual air-lifting, video inspections, above ground disconnects (to be used as directed by the Engineer, $150,000 total).
Quantity: 1 Unit: Lump Sum Work Item: All Work required by the Contract Documents not described in other bid items.

NAICS Classification

237110 – Water and Sewer Line and Related Structures Construction, 238910 – Site Preparation Contractors, 238990 – All Other Specialty Trade Contractors, 541330 – Engineering Services, 562910 – Environmental Remediation Services

Records and Due Date

This bid opportunity was entered into BidAmerica on February 11, 2026, and was last updated on February 24, 2026. All bids and/or proposals are due on February 27, 2026.

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All bidders are responsible for reviewing and verifying all official bid documentation directly from the issuing agency. BidAmerica aggregates public bid information for advertisement purposes for contractors and government agencies convenience. This Notice of Invitation to Bid is for reference purposes only and is not an official or complete representation of any documents issued by Zone 7 Water Agency - California. BidAmerica does not guarantee the accuracy, completeness, or timeliness of any information displayed and shall not be held liable for any errors, omissions, misinterpretations, or damages resulting from reliance on this summary. Contractors must obtain all official information—including plans, specifications, addenda, deadlines, submission requirements, qualifications, and bidding conditions—directly from Zone 7 Water Agency - California prior to bidding.