The work for the Headworks Facility, Diversion Structure A, and Diversion Structure B Rehabilitation Project consists of furnishing all labor, materials, equipment, and all incidentals and appurtenances per the Contract Documents for the rehabilitation of concrete surfaces, PVC liners, and minor stucco patching and repair at the Headworks Facility; the replacement of one rolling door, three doors, one floor access hatch and frame, and channel access cover gaskets at the Headworks Facility; the installation of two slide gates at the Headworks Facility; the removal of existing stop log channels at the Headworks Facility; the rehabilitation of concrete surfaces and concrete lining with epoxy at Diversion Structure A; the replacement of two weir gates and one pump plate at Diversion Structure A; the replacement of a 36” butterfly valve with owner furnished equipment at Diversion Structure A; the reinstallation of aluminum railings with base plates and anchor bolts at Diversion Structure A; the surface preparation and re-coating of all exterior concrete surfaces at Diversion Structure A; the replacement of one weir gate at Diversion Structure B; and the surface preparation and re-coating of all exterior concrete surfaces at Diversion Structure B. The surface preparation and re-coating of all exterior concrete surfaces at the Headworks Facility will be considered as an alternate for the Work. Construction also includes dewatering, bypassing, phasing, sequencing, testing and all restoration work for a complete operating system. The Work will be on private property owned by the District.
