Att_E_-_Well_Construction_Details.pdf

This is a Well Construction Details exhibit for Sacramento County's Department of Waste Management & Recycling related to the destruction of four extraction wells at the closed Elk Grove Landfill located at 9660 Ecology Lane in Sacramento, California. The project requires a California C-57 licensed drilling contractor to perform comprehensive well decommissioning on wells designated EW-1, EW-4, EW-5, and EW-6, which are positioned across different locations including park land and a parking lot. Services include pressure grouting using a tremie device, overdrilling the upper five feet of each borehole with a hollow stem auger, removing vault boxes and associated equipment, managing drill cuttings and debris, and submitting State of California Well Completion Reports. A non-mandatory pre-bid meeting is scheduled for November 13, 2025, at 10:00 a.m. on-site. Questions are due by November 20, 2025, at 5:00 p.m., with responses published by November 26, 2025. Sealed bids must be electronically submitted via the Sacramento County Electronic Bidding Portal by December 4, 2025, at 2:00 p.m., with bid opening occurring immediately thereafter. The contract term is 45 calendar days, with work permitted between 7 a.m. and 6 p.m. seven days per week, excluding legal holidays.

The estimated construction cost is $100,000.00, with award based solely on the base bid. Bidders must provide bid security of at least 10 percent of the aggregate bid sum and will be required to execute Performance Bonds and Payment Bonds for 100 percent of the contract price. Contractors and subcontractors must be registered with the California Department of Industrial Relations and comply with prevailing wage requirements. No specific set-aside designations for disadvantaged enterprises are specified. Additional requirements include obtaining necessary permits, submitting a Contract Specific Safety Plan and Water Pollution Control Plan within 15 calendar days of contract execution, and providing valid Certificates of Reported Compliance for vehicles subject to California Air Resources Board Advanced Clean Fleets regulations. Liquidated damages are set at $500 per calendar day for delays.