Public Jobs

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.

The work to be done generally consists of constructing minor concrete structures and miscellaneous concrete construction, including, but not limited to, construction of drainage inlets, curb and gutter, sidewalk, and curb ramps on an as needed basis that are required by the “Final Scope of Work”.

This Advertisement for bids is for the award of five 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 012, 013, 014, 015 & 016, awarded under this solicitation will each have a Minimum Contract Value of $25,000 and a Maximum Contract Value of $2,500,000. 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. A bidder will be eligible for receiving only one of the contracts. The County anticipates advertising for additional JOC contract(s) in the future. The Prime Contractor for this Job Order Contract shall hold a valid Class B General Building Contractor’s license. The work includes repair, alteration, modernization, maintenance, rehabilitation, and demolition work performed on buildings, offices, facilities, structures, infrastructure, or other real property.

A contract to provide trucking services consisting of trucks and operators for the transportation of aggregate from the quarry to various stockpile locations throughout the County, and also for the transportation of the chip seal aggregate from the stockpile locations to various roads throughout the County.