Public Jobs

The proposed new systems will comply with the 2019 California Building Code, Title 15, Title 22, and Title 24 requirements and Contra Costa County Building Design and Construction Guidelines.

The work to be done generally consists of pavement widening along Byron Highway between the intersection with Hoffman Lane and 550 feet south of the intersection with Byer Road to construct a two-way-left turn lane along Excelsior Middle School frontage and a left turn pocket at the intersection with Byer Road. Ancillary improvements include striping, drainage facilities, slurry seal, a concrete median, hot mix asphalt walkway, driveway conforms, relocation and installation of rectangular rapid flashing beacon systems and installation of speed feedback signs.

The project includes the generator replacement located at the Contra Costa County Sheriff’s office in Martinez, California. The replacement consists of replacing the existing two outdoor generators and associated two ATS that support 1960 and 1980 Muir Road county buildings with in-kind units. The existing generator chain link fence enclosure will be replaced and concrete pad extended. To avoid any disruption to both facilities, two portable generators will also be included in this scope. The existing ADA access in the work area will be maintained during and after construction.

The work to be done generally consists of replacing existing Metal Beam Guardrail (MBGR) system including posts, railing, and end treatments with Midwest Guardrail System (MGS). Guardrail will have both wood and steel posts. Work is to occur in the Crockett Area, along the following roadways; San Pablo Avenue, Cummings Skyway, Pomona Street, Carquinez Scenic Drive, and Crockett Boulevard.

This Advertisement for bids is for the award of four separate Job Order Contracts (JOCs). A JOC is a competitively bid, Unit Price, indefinite quantity contract that is awarded to a Prime Contractor. Once awarded, work is accomplished through the issuance of individual Job Orders. Job Order Contracts 017, 018, 019 & 020, awarded under this solicitation will each have a Minimum Contract Value of $25,000 and a Maximum Contract Value of $3,000,000. The County reserves the right to issue Job Orders totaling less than the Maximum Contract Value. Each contract will be for a term of 12 months.

The County is inviting Proposals from Bidders for the design and construction of the West County Re-entry, Treatment and Housing Project (WRTH). The scope and needs of the Project include design and construction services as defined by Document 011110 (Summary of Work) and Document 011114 (Summary of Work - Design Services and Deliverables), as well as the Bridging Documents which set forth more completely the Project information necessary to describe the County’s Project requirements.

Work to be done generally consists of replacing a damaged Corrugated Metal Pipe (CMP) with a Reinforced Concrete Pipe (RCP) and repairing the CMP using invert paving. The pipe invert will be filled with concrete baffles for fish passage. Work will also include temporary water diversion and dewatering, reconstructing of the roadway and roadside ditch, replacing roadway striping, and reconstructing and stabilizing the embankment using rock slope protection.

The work to be done generally consists of removal of asphalt concrete surface paving, base material compaction, HMA overlay, ADA ramp and crosswalk installation, and parking lot restriping.

At the Alhambra Valley Road at Ferndale site, work includes construction of a soldier pile retaining wall, drainage improvements, guardrail and vegetation control, and reconstruction of the roadway. At the Alhambra Valley Road West of Castro Ranch Road site, work includes remedial grading and reconstruction of the embankment, construction of guardrail and vegetation control, and reconstruction of the roadway. At Bear Creek Road, there are two sites, 3A and 3B. At site 3A, work includes construction of a soldier pile retaining wall, drainage improvements, guardrail and vegetation control, and reconstruction of the roadway. At site 3B, work includes remedial grading and reconstruction of the embankment, construction of guardrail and vegetation control, and reconstruction of the roadway.

The Capital Projects Management Division, Public Works Department, is requesting a Statement of Qualifications (“SOQs”) from firms with expertise and experience in professional master planning studies of county facilities. Experience in master planning, programming, space planning, and architectural design is a plus. The prime consultant responding to this RFQ is required to be a qualified architectural/engineering firms with experience in planning, building and renovating public facilities.