DBB Prima Zone 4 Phase A Main Gas Line Project

The County of Orange, OC Waste & Recycling, is requesting competitive bids for the DBB Prima Zone 4 Phase A Main Gas Line Project, a landfill gas collection and control system header installation at Prima Deshecha Landfill in San Juan Capistrano, California, with bids due October 12, 2026, at 2:00 p.m. and a mandatory pre-bid meeting and site visit on September 30, 2026, at 9:00 a.m. Failure to attend the pre-bid meeting will result in bid rejection. This is a fully electronic solicitation through the County's OpenGov Procurement portal; no other submission method is accepted.

The scope comprises trenching, installation of HDPE header piping ranging from 6 inches to 48 inches in multiple configurations (below grade, asphalt road, gravel road), butterfly header valves of varying sizes, condensate sumps, concrete valve vaults, HDPE fittings, tie-ins to existing landfill gas infrastructure, testing, backfilling, and surface restoration including asphalt paving. The contractor must maintain compliance with all regulatory permits and coordinate with Orange County Fire Authority regarding the Fire Protection Plan. Work is performed at Prima Deshecha Landfill with coordination required throughout ongoing landfill operations.

The estimated contract value is $9,120,900. Bidders must hold a California Class A General Engineering Contractor's license and perform at least 51 percent of the Base Bid Amount with their own organization. A 10 percent bid security is required. The project exceeds five million dollars and requires at least 3 percent of total contract value to be subcontracted to certified Orange County Local Small Business (OCLSB) or Disabled Veteran Business Enterprise (DVBE) subcontractors; a 5 percent preference deduction (up to $100,000 maximum) applies to qualified OCLSB or DVBE bidders for evaluation purposes, though awarded contract price remains the original bid price.

Five contractors are pre-qualified: ARB, Inc.; Big Ben, Inc.; Environmental Construction, Inc.; Sukut Construction, LLC; and Toro Enterprises, Inc. Questions are due October 5, 2026, at 2:00 p.m. Within 14 calendar days of award, the successful bidder must provide Performance and Payment Bonds each equal to 100 percent of contract price. Bids remain valid for 365 days. The contract is subject to California prevailing wage requirements under Labor Code Section 1773 and contractor registration requirements under Section 1725.5.