Specifications include, but are not limited to: The successful bidder will be responsible for replacing influent perforated plate screens and associated equipment at the Chambers Creek Regional Wastewater Treatment Plant Headworks facility. Portions of the Headworks facility must remain operational throughout the work. The work includes the removal and disposal of two (2) perforated plate screens, two (2) screenings washer compactors, one (1) existing horizontal screw conveyor, and associated electrical and instrumentation equipment as required by the contract documents. The work also includes the installation of owner provided perforated plate screens, screenings washer compactors, and screening sluiceway. The work also includes the installation of a work platform, process water piping, electrical junction boxes, instrumentation, cables and wiring, control cabinet, and modifications to existing electrical equipment. The Contactor shall obtain and comply with all conditions of a Tacoma Public Utilities Electrical permit.