Soil Vapor Gas & Groundwater Monitoring Wells Installation, Stockton Combined Support Maintenance Shop (CSMS)

The California Military Department's Office of the Adjutant General is requesting bids on soil vapor gas and groundwater monitoring wells installation at the Stockton Combined Support Maintenance Shop (CSMS) under IFB, with bids due September 25, 2026 at 2:00 p.m. and an optional pre-bid job walk on September 10, 2026 at 10:30 a.m. A 5% DVBE participation requirement and small business participation goal of 25% apply; an additional 5% preference is available to certified small businesses or non-small businesses committing to subcontract at least 25% of net bid price to certified small businesses.

The scope includes installing two nested soil vapor gas monitoring wells and one groundwater monitoring well, decommissioning four existing soil vapor gas wells, and conducting four quarterly monitoring events for each newly installed well. Deliverables comprise project management with monthly status reports due by the fifth business day of each reporting month, well permitting and regulatory coordination, soil boring with laboratory analysis, well construction documentation, and GeoTracker database uploads within 30 days of completion. The prime contractor must hold a California B General Building license and/or C-57 Well Drilling Contractors license; if the prime lacks C-57 certification, a subcontractor holding that license is mandatory. All work is subject to California prevailing wage requirements as published by the Director of Industrial Relations.

Work must be completed within 550 calendar days of Notice to Proceed. Bid bonds of at least 10% of bid amount are required for bids exceeding $24,999.99; performance and payment bonds of 100% of contract amount are required for contracts exceeding $9,999.99. The contractor must register with the Department of Industrial Relations and comply with California Public Contract Code, state civil rights laws, the Darfur Contracting Act, the Iran Contracting Act, and mandatory organic waste recycling and postconsumer content certification requirements. Questions and RFI submissions are due September 17, 2026 at 5:00 p.m. Award will be made to the lowest responsive and responsible bidder.