SB Minor B 04A7474 - Install Midwest Guardrail System - Sonoma County

The California Department of Transportation (Caltrans) is procuring construction services for the installation of a Midwest Guardrail System (MGS) with wood posts along a 0.2-mile segment of Route 101 in Petaluma, Sonoma County, located between San Antonio Bridge and extending 0.4 miles east. This Small Business Minor B contract (SB Minor B 04A7474) requires the contractor to install 1,062.5 linear feet of guardrail, salvage 80 linear feet of existing guardrail, install 50 guardrail delineators, perform vegetation control with minor concrete around post bases covering 360 square yards, and implement erosion control measures including hydromulch, hydroseed, fiber rolls, compost application, temporary drainage inlet protection, temporary fiber roll and gravel berm installation, and street sweeping. The scope also includes temporary traffic control systems, construction area signs, and maintenance of existing traffic management system elements during construction. The lump-sum contract requires qualified contractors to provide all necessary labor, materials, tools, and equipment to complete the work as specified in contract documents and plans. Bid proposals must be submitted by email only to tammy.p.tran@dot.ca.gov by March 19, 2026 at 2:15 p.m., with no public bid opening scheduled. The estimated project cost is $181,000, though bids exceeding $461,000 will be rejected per Public Contract Code 10105(b). Award is anticipated within 30 days of bid opening.

This procurement is restricted to certified Small Businesses under section 2-1.05, and contractors must maintain their small business certification as of both the bid opening and award dates. While Caltrans establishes no Disabled Veteran Business Enterprise (DVBE) contract goal, DVBE participation is encouraged. Payment bonds equal to at least 100 percent of the total bid amount and comprehensive insurance are required at the time of award for contracts exceeding $25,000; performance bonds are not required. Bidders must submit completed bid forms, subcontractor lists, small business status certifications, nondiscrimination and civil rights compliance certifications, diesel vehicle lists, and environmental product declarations if applicable. The contract documents indicate that unregulated earth material containing lead has been detected to a depth of 1.5 feet at the job site with average concentrations of 12.98 mg/kg total lead, necessitating compliance with Cal/OSHA and Regional Water Quality Control Board regulations. Prevailing wage requirements apply under Section 7-1.02K(2), and contractors currently in default with Caltrans on existing contracts may have their bids rejected as non-responsive. The contract value is estimated at $181,000 with a maximum allowable bid of $461,000.