Public Jobs

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.

The work to be done in general consists of mobilization; traffic control; water pollution control program; cold planning of asphalt roadway section; crack sealing; placement of Hot Mix Asphalt (HMA) leveling course and Thin Maintenance Overlays (TMO); removal & replacement HMA; removal & replacement of concrete sidewalk, curb & gutter, curb ramps, driveways and valley gutters; 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 roadside signs and pedestrian barricades; and all other work shown on the Plans and as specified in these Special Provisions.

This contract is for furnishing labor and equipment for the installation of 850 feet of 8-inch and 6-inch welded steel pipe with valves, fittings, pipe disinfection and appurtenances.

Demo existing residence. Construct new residence, approximately 900-SF.

The Project is more specifically defined in the Contract Documents, but generally includes construction of a bicycle and pedestrian bridge over Dublin Boulevard near the Dublin Boulevard and Scarlett Drive intersection including a prefabricated steel arch truss bridge, elevated concrete approaches, approach ramps, and decorative retaining walls. The project will require furnishing all labor, materials, tools, equipment, transportation, and services necessary to perform the construction and installation of the following: clearing and demolition of trees, soils, asphalt and concrete; cast-in-place piles and footings, retaining walls, lightweight cellular concrete backfill, bridge fabrication and erection, pre-stressed concrete approaches, steel guard railings, steel mesh throw prevention, trail and bridge lighting, associated earthwork, asphalt paving, minor concrete and other items not specifically mentioned herein. The Project location is situated in and around adjacent parcels that are under construction and will require a multi-phase construction sequence in which certain portions of the construction area will not be available until adjacent construction is complete. Throughout the Project duration there will be limited available construction area and access will require close coordination and communication with various parties including but not limited to the City of Dublin, Scarlett Drive Extension Project, and Don Biddle Park Construction Project. There may be other items of work not mentioned above, providing water pollution control, cleaning of the site at the end of the job, all as shown in the Specifications, Special Provisions, and other Contract Documents entitled as shown above, now on file in the office of the Public Works Director, to which reference is hereby made for further particulars

Manhole rehabilitation by chemical grout injection (approx 74 manholes).

The work for the 2022 Collection System Rehabilitation Project includes mobilization, demobilization, procurement and installation of materials for the rehabilitation of approximately 33,332 LF of sewer main and associated laterals, manholes, and other structures as shown in the Project technical specifications and plans in the bid package. The main rehabilitation will consist of approximately 33,332 LF of cured in place pipe (CIPP).

Replacement of the existing fire alarm and detection system throughout the existing Solids Processing Facility. The Solids Processing Facility consists of three levels: Ground Floor ~9,775 SF; 2nd Floor ~11,140 SF; and Mezzanine Level ~1,565 SF. The facility is constructed of concrete and consists of deep beam pockets. Existing conduit located within concrete wall and above hard ceilings will be reused. The new fire alarm and detection system shall be an addressable system designed, installed, and fully functional in compliance with all adopted codes and standards and AHJ approval.

Addition and replacement of cameras to an existing Genetec Security Omnicast System.

The work to be performed consists, in general, of placing hot mix asphalt overlay, including placement of geo-textile fabric, AC pavement grinding, constructing PCC curb and gutter, sidewalk, retaining curbs, ADA compliant curb ramps, adjusting manholes/utility irons to grade, replacing deteriorated storm drain pipe, installing drainage inlets/manholes, restoring traffic striping, legends and markings, and traffic signal modifications with signal interconnect; and all other works as shown on the contract documents.