Public Projects

The work shall include In general, the work shall include mobilization, public notification, traffic control; hot-mix asphalt (HMA) patches and base repairs; concrete improvements, including curb ramp replacements for ADA compliance, sidewalk and curb and gutter repairs; bike and pedestrian path reconstruction requiring removal of asphalt concrete pavement and underlying subgrade materials; etc.

The project work is generally described as: Replacement of the Return Activated Sludge / Waste Activated Sludge (RAS/WAS) pump station electrical control panel, temporary bypassing pumping operations, replacement of conduits and emergency stop stations for the RAS/WAS pumps, relocation of the RAS/WAS pump flow meter transmitters and additional conduits, relocation of RAS/WAS pump variable frequency drives, extension of the aluminum platform in the RAS/WAS pump station, conduit trenching and conductor and communications cable installations. Replacement of the sludge thickener control panel, replacement of the thickener building ceiling lighting, installation of polymer storage shade structure, shade structure concrete foundation, constructing new paved driveway and concrete apron, installation of polymer storage and containment system, polymer feed system, water and polymer piping, and automation and plant SCADA integration of the RAS/WAS and thickener systems.

The project includes one building with a total of 15,245 SF to demolish and replace several building systems. The existing heating, ventilation, and air conditioning (HVAC) system will be demolished and replaced with a new all-electric HVAC system. The roofing system will include a full replacement of the built up roof and the metal standing seam roof. The electrical system will replace the existing electrical switchboard with a 1000A main switchboard, retrofit or new light fixtures with energy efficient light emitting diode (LED) bulbs, and power outlets on the main library floor for public use. In addition, the project accessibility improvements includes accessible parking re-location, path of travel improvements from the parking lot to the main entrance, public restroom upgrades as shown in the drawings entitled “Pinole Library Accessibility Upgrades, Pinole Library HVAC Replacement, Pinole Library Electrical Upgrade, and Pinole Library Roof Replacement.” Contractor shall be responsible for procurement of all equipment and materials.

Project consists of pavement repair on City arterial Buchanan Street at the section located between Pierce Street and Jackson Street and the arterial Marin Avenue between Jackson Street and San Pablo Avenue. Pavement repair generally consists approximately 2,700 square yards of 4-inch asphalt concrete pavement removal and replacement. Traffic striping within project limits will be refreshed, including traffic striping unaffected by the pavement repair. Additional pavement repair at a nearby location on Eastshore Highway between the driveway entrance to the Target shopping center and the driveway entrance to the Toyota of Berkeley Service Center is included as optional Bid Alternate A.

General Description of Work: The work, in general, consists of improving Lake Street between Grant Street and Silverado Trail by reconstructing the pavement; installing an extension of the City’s recycled water line; replacing specific drainage, laterals, and sections of curb, gutter, & sidewalk; traffic striping; traffic control; water pollution control; and related items of work as shown on the plans, as specified in the Standard Specifications and these special provisions, and as directed by the Engineer.

Located at Technology Way in Brentwood, the East County Service Center will be a three-story, approximate 120,077 GSF structure with surface parking. This will be the first regional service center of its kind for the County, co-locating ten different County Departments in one location. The project vision is, to provide a new integrated County service center for the residents of East County; that is convenient, innovative, accessible and an anchor to the community; by offering a full range of public services in a flexible, safe, and welcoming environment. The proposed new work shall comply with all applicable codes and guidelines, including the California Building Code, Title 24, Contra Costa County Building Design and Construction Guidelines. The DBE shall be responsible for all work required for the new County administrative building to obtain all required permits, operating approvals, and applicable certifications.

The general scope of work for this project included in the base bid is the abandonment in place of approximately 1,300 LF of 18-inch, 30-inch, and 36-inch sanitary sewer mains, and a 27-inch sanitary sewer force main by slurry fill abandonment. Also included in the scope of work is the abandonment of four sanitary sewer manholes.

Work to be Performed: The work shall generally consist of cold planing existing roadway sections, installing asphalt concrete plugs and leveling courses at various locations. Additional work shall include, but not be limited to, adjusting utilities to grade, installing traffic striping, pavement markings and markers, traffic control, and water pollution control.

The project includes the removal of an existing cart washer and installing a new cart washer in the hospital’s SPD. There is also the installation of a new DI water system and air compressor in the boiler room and stairwell. Work includes but is not necessarily limited to demolition and removal of the old cart washer, modifying the existing building structure to accommodate the new cart washer, installing the new cart washer, installing the new DI water system, installing a new air compressor, and other minor modifications as shown in the drawings titled “CCRMC Cart Wash Upgrade, 2500 Alhambra Avenue, Martinez, CA 94553 – HCAI Backcheck Response 05/12/2023” and “CCRMC Cart Wash Upgrade, 2500 Alhambra Avenue, Martinez, CA 94553 – Change Order CO-01 / ACD0001 12/20/2024” by Ratcliff. The contractor shall also procure the new cart washer, DI water system, and any associated parts and pieces for both pieces of equipment. Furthermore, the contractor shall adhere to instructions provided by the hospital’s Infection Control Risk Assessment (ICRA) department.