Renovation of a water / sewer project in Ahsahka, Idaho. Working plans call for the renovation of a water / sewer project.

Provide a durable waterproofing system for the powerhouse and ancillary roofs by removing the existing roofing system down to the structural roof decks and installing a new fully adhered roofing assembly consisting of gypsum roof sheathing, a vapor retarder, polyisocyanurate foam roof insulation, cover board, and a 90-mil EPDM membrane. The work includes providing a 2-year installer warranty and a 30-year manufacturer warranty. Install fiber-reinforced plastic (FRP) fall protection guardrails on the parapet walls of the powerhouse and elevator penthouse roofs to improve safety for maintenance personnel. Replace existing ladder access to two roof areas with fabricated metal stairs. Replace the elevator machine room mechanical air conditioning unit with a new split heat pump system that includes an indoor air handler and outdoor condenser unit. Perform work on roofs with parapet heights ranging from approximately 36 to 75 feet above adjacent parking and roadway areas. Material delivery and debris removal may require cranes, telescopic boom lifts, and/or debris chutes, with equipment operations coordinated around high-voltage equipment and overhead transmission lines. Develop and implement a project-specific Safety and Health Program in accordance with EM 385-1-1, including an Accident Prevention Plan, Activity Hazard Analyses, and a Fall Protection Plan. Provide a qualified Site Safety and Health Officer for each shift of on-site operations. Establish and manage a Contractor Quality Control system, provide a qualified CQC System Manager for each shift, utilize the Government-furnished Resident Management System (RMS) Contractor Mode, and manage all required project submittals, testing documentation, closeout records, as-built drawings, operation and maintenance manuals, shop drawings, and spare parts. Location: Dworshak Powerhouse, Ahsahka, Idaho. The Method of Contractor Selection has not been determined at this Time. *The value for this project is based on a financial range. The value is listed as the highest possible cost from the range provided by a stakeholder or official project document.