Public Jobs

The work to be done generally consists of pavement widening, construction ofbulb outs, asphalt path, HMA dike, curb ramps, driveway conforms, and installation of pedestrian activatedflashing beacons along Madison Avenue.

The project includes construction of a new station along with associated site improvements at 10 Goble Drive, Bay Point, CA, 94565 (to replace the existing Contra Costa County Fire Protection District Fire Station #86). The new Fire Station #86 will be a one-story structure including, but not limited to, three (3) apparatus bays, kitchen, dorm rooms, offices, restrooms, training, exercise, storage, day and dining rooms along with all associated HVAC, electrical, civil site work, and landscaping. The new station will also include an emergency generator and fuel tank. The project will also include a photovoltaic roof system and has been designed to meet LEED Silver equivalency per the County’s standard for public buildings.

The work to be done generally consists of widening the SR4 westbound diagonal off-ramp, installation and modification of traffic signals, removal of the SR4 westbound loop off-ramp, storm drain modifications, and installation of sidewalk along Bailey Road.

Landscape renovations along the Iron Horse Trail Corridor between the Treat Boulevard pedestrian bridge and Mayhew Way, including: replacement of high water use turf areas in Walden 1 with new plantings, decomposed granite picnic and seating areas; replacement of central meadow area in Walden 2 with a variety of mulch and stone hardscape; removal of dead and dying vegetation; installation of drought tolerant plantings; trimming and mulching of existing vegetation to remain; renovation of existing irrigation systems; installation of benches, trash and recycling cans.

The work consists of park improvements/upgrades, and includes removal and replacement of non-native and failing vegetation, new decomposed granite surfacing, enhancement of railings, replacement and enhancement of park furnishings, new park identification sign, replacement of railroad tie entry steps with concrete.

General work description:An on-call contract for providing grinding (asphalt concrete cold-planing) servicesconsisting of grinders and operators to support road maintenance repairs at different County locationsincluding, but not limited to, cold-planing asphalt concrete and loading the grindings onto trucks in supportof pavement maintenance operations.

The work to be done generally consists of providing sweeping services withsweepers and operators to support road maintenance repairs at different County locations including, butnot limited to, working in conjunction with operations and materials such as grinding operations, pavingoperations, tree trimming, chip aggregate clearing, roadside debris cleaning, median cleaning, and bikelane cleaning.

The project consists of applying a type II slurry seal treatment to streets in the El Sobrante area and a micro-surface treatment to streets in the Alamo and North Richmond areas as shown on the plans. Work will also include surface preparation (edge grinding), tree trimming, striping removal, and placement of thermoplastic striping and pavement markings.

The work to be done generally consists of replacing a 48” culvert at two sites. Work includes removing trench plates, dewatering, trench shoring, placing 48” HDPE pipe, concrete slurry backfill and hot mix asphalt.

The work consists of various road, flood control, and airport maintenance work to provide support as needed to Public Works Maintenance crews for various routine road, flood control, and airport maintenance repairs, such as, but not limited to, pavement repairs and replacement, crack seal, slurry seal, skin patching, asphalt concrete cold planing, pavement leveling, shoulder widening, hot mix asphalt paving, storm damage repair work, rock slope protection, slope stabilization, culvert repair work, and concrete structure repair work.