Public Projects

The work to be done in general consists of mobilization; preparatory work, securing the work area for public safety, and site cleanup daily, clearing and grubbing, traffic control; water pollution control program; earthwork and pavement and landscape grading; cold planning of asphalt pavement; placement of Hot Mix Asphalt (HMA) overlay; storm drain trenching and shoring, removal & placement of pipe and structures, concrete curb, curb ramps, and sidewalk; pruning and removal of tree roots; lowering and adjustment of utility covers to finish grade; removal & replacement of traffic striping and pavement markings; installation of trash capture devices; installation of roadside signs; and all other work shown on the Plans and as specified in the Project Manual and all other work as specified in these Special Conditions, Technical Provisions, and as shown on the Plans.

The scope of work is generally for pothole and base repair work (to be done at night) along Detroit Avenue between Monument Boulevard and Shary Circle in the City of Concord. Work shall include temporary traffic control, changeable message signs, coordination with businesses on driveway access, staging of the work, water pollution control program, asphalt removal, hot mix asphalt placement, compaction, testing, and such other items or details that are required by the Plans, Standard Specifications, the Special Provisions and as directed by the Engineer.

The scope of work is generally for constructing curb ramps and improving crossing at two intersections at Cardinal Drive and Falcon Drive on Floyd Lane in the City of Concord. Works shall include traffic control, pedestrian detours, staging of work, water pollution control program, clearing and grubbing, curb and gutter, sidewalk, asphalt concrete removal, hot mix asphalt, pavement marking removal and installation, delineators, and such other items or details that are required by the Plans, Standard Specifications, the Special Provisions and as directed by the Engineer.

The work to be done in general consists of the complete trim replacement of the existing Willow Pass Recreation Center located at the Willow Pass Community Park in Concord, CA. The work will consist of: site mobilization and general conditions (including but not limited to temporary fencing, etc.), removal of the existing wood trim and downspouts, inspection of existing substrate once exposed, repair and if necessary replacement of portions of the existing substrate, underlayment, and/or waterproofing membrane to receive new wood trim and/or sheet metal flashings, installation of new wood trim, downspouts, and painting and sealing of new trim systems. This work includes all preparation, materials and accessories, clean up, demobilization, conformance to existing conditions necessary for complete and functional installed new trim systems, and all other work as specified in these Special Provisions and Technical Sections.

The project consists of: site mobilization, crack repairs, coating to fully waterproof the fountain floor and inner walls up to high water mark, install reinforced concrete encasement around existing HVAC pipes in fountain area with rebar and other items required, perform testing of filtration and fountain systems, and coordinating with other projects ongoing at Civic Center. This project includes preparatory work, and site cleanup daily, and all other work as specified in these Special Provisions, Technical Sections, and as shown on the Plans.

The scope of work is generally for constructing traffic signal hardware upgrades at various locations throughout the City of Concord. Work shall include traffic control, water pollution control program, clearing and grubbing, removing and salvaging signal equipment, abandoning signal cabinet foundations, installation of conduit, pull boxes, cabinet foundations, push button post foundations, signal hardware upgrades, installation of City-furnished controllers and signal cabinets, PG&E coordination, replacement of curb ramps with ADA compliant curb ramps, sidewalk, curb, and gutter, and such other items or details that are required by the Plans, Standard Specifications, the Special Provisions and as directed by the Engineer.

The project consists of the following: Demolish and Remove (2) Existing Boilers and Piping below ceiling, Demolish and Remove Existing Circulating Pumps, Expansion Tank, Chemical Feeder and Air Separator, Procure and Install (2) New High Efficiency Boilers and Pumps and (1) Expansion Tank, Chemical Feeder and Air Separator, Install New Isolation Valves for Circulation Pumps and Air Separator, Install New Electronic Valves for each Boiler, Install New Piping and Isolation Valves below ceiling for 3 zones, Insulate all Piping, Provide BACNET Card for Boiler BMS Control Capability Factory Startup and Test, Confirm Proper Boiler Online System Operation and Cleanup Work Area, providing required submittals, testing results, final testing and cleanup, attending weekly meetings, providing schedules, and coordinating with other projects or events ongoing at the Senior Center. This project includes preparatory work and site cleanup daily, and all other work as specified in these Special Provisions, Technical Sections, and as shown on the Plans.

The work to be done in general consists of mobilization, traffic control, curb ramp installation, signing, traffic striping and markings, rectangular rapid flashing beacon, traffic signal modification, and all other work as specified in these Special Provisions and shown in the Drawings.

The work to be done in general consists of mobilization; traffic control; water pollution control program; clearing, grubbing trimming and root pruning; cold planning of asphalt roadway; placement of Hot Mix Asphalt (HMA) materials; crack sealing; slurry seal and rubberized cape seal; lowering and adjusting utility covers to finish grade; curb ramp and concrete improvements; removal and replacement of traffic striping; and all other work shown on the Plans and as specified in these Special Provisions.

The work to be done in general consists of mobilization, traffic control, storm water pollution control, potholing of existing utilities, clearing and grubbing, tree trimming, bypass pumping of sanitary sewer flows, open trench replacement of sanitary sewer mains and laterals, pipe bursting of sanitary sewer mains and laterals, CIPP lining of existing sewer lines, sewer cleanout installations, manhole rehabilitation, grind and overlay, traffic striping and markings, and all other work as specified in these Special Provisions and shown in the Drawings.