In general, the work includes necessary site work and construction for replacement of a hydropneumatic pressure control tank and appurtenant facilities the City of Martinez Webster Drive Booster Pump Station. The Webster Drive Booster Pump Station is located at 564 Webster Drive, Martinez, CA 94553. The work includes, but is not limited to the following: Selective demolition and removal of the existing hydropneumatic pressure vessel, support structure, air compressor, and appurtenant facilities; installation of a hydropneumatic tank (pressure vessel) with associated foundation, anchorage, mechanical, electrical, and instrumentation improvements; installation of an air compressor with associated foundation, anchorage, mechanical, electrical, and instrumentation improvements; installation of a temporary pressure control system to function in lieu of the existing hydropneumatic tank (to be demolished) until the new pressure vessel and associated work is installed and commissioned; repair and reconstruction of existing improvements affected by the Work, and incidentals for complete and usable facility; and, all associated work to furnish a complete project as described in the Drawings and Specifications.