San Mateo Civicplus #870

San Mateo Basin D Sanitary Sewer Rehabilitation Project – Pipe, Manhole, and Infrastructure Repairs

The City of San Mateo Department of Public Works is seeking bids for the Basin D Sanitary Sewer Rehabilitation Project, focused on extensive upgrades and repairs to the city's sanitary sewer infrastructure. - Government Buyer: - City of San Mateo, Department of Public Works - Project Scope: - Rehabilitation and repair of sanitary sewer pipes (6" to 12" diameter) using cured-in-place pipe (CIPP), pipe bursting, and open trench methods - Manhole rehabilitation, including lining, channel repair, vertical and flat repairs, and full replacement - Reconnection of service laterals to mains using CIPP Top Hat and open cut methods - Pre- and post-installation CCTV inspections of over 67,000 linear feet of pipe - Site restoration in public right-of-way and easements, including monument replacement - Allowances for unforeseen cleaning and repairs of uninspected or partially inspected segments - Products/Services Requested: - CIPP segment and spot rehabilitation (multiple diameters) - Pipe bursting and open trench repairs (various depths and diameters) - Manhole rehabilitation and cleaning - CCTV inspection services - Traffic control, mobilization/demobilization, bypassing, erosion and sediment control - Quantities: - 382 segments of 6" CIPP, 108 segments of 8" CIPP, 18 segments of 12" CIPP - 141 spots of 6" CIPP, 19 spots of 8" CIPP, 4 spots of 10" CIPP - 257 feet of 6" pipe bursting, 585 feet of 10" pipe bursting - 192 lateral reconnections for open cut/pipe bursting, 84 for CIPP - 8 manhole flat repairs, 4 manhole linings, 6 vertical repairs - Over 67,000 linear feet of CCTV inspection - Unique/Notable Requirements: - Compliance with prevailing wage rates and all applicable health orders - Registration with the California Department of Industrial Relations - Allowances for unforeseen conditions (e.g., $100,000 for cleaning, $200,000 for repairs) - Detailed restoration of disturbed areas - No specific OEMs or proprietary products are named; the procurement is open to qualified contractors with experience in municipal sewer rehabilitation.

Description

The City of San Mateo is soliciting bids for the Basin D Sanitary Sewer Rehabilitation Project, which involves spot and segment repairs of sanitary sewer pipes ranging from 6-inch to 12-inch diameter using open cut and cured-in-place pipe (CIPP) methods. The project also includes manhole repairs, pre- and post-installation CCTV inspections, and monument replacement within public right-of-way and easements on private property. Bidders must purchase contract documents from Barker Blue and comply with all applicable health orders and prevailing wage requirements. The estimated construction cost is approximately $6,650,000, and the contract duration is 340 working days from the notice to proceed.

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