Dworshak Powerhouse Roof Replacement

Title: Dworshak Powerhouse Roof Replacement: The work is located at the Dworshak Powerhouse, Ahsahka, Idaho. The solicitation will be issued as an Invitation for Bid (IFB) and result in a single firm-fixed price construction contract. This procurement is unrestricted. Competition is open to both large and small business concerns. A small business subcontracting plan is required for large businesses. 100% performance and payment bonds will be required for this project. The North American Industry Classification System (NAICS code for this project is 238160 Roofing Contractors, and the associated small business size standard is $19 million in average annual receipts. Solicitation number W912EF27BA001 will be posted to the SAM.gov Contract Opportunities website on or about mid to late October 2026. The bid due date will be contained in the solicitation and any solicitation amendments that may be issued. The solicitation will be made available for download on the SAM.gov Contract Opportunities website. Offerors are responsible for checking the referenced page for any updates to the Notice. The Government is not responsible for any loss of Internet connectivity or for an offeror's inability to access the documents posted at the referenced website. Bids will be due approximately 30 days after the solicitation is posted. The exact proposal due date will be indicated in the solicitation. System for Award Management (SAM): Offerors must register in the SAM at https://sam.gov/content/home prior to receiving an award. NOTE: The response date that is required to post this notice is not in any way a due date for any submission. This is a pre-solicitation notice only. Scope: The scope of the work is to provide a durable waterproofing system for the Dworshak powerhouse and ancillary roofs. This will be achieved by removing the existing roofing system in its entirety down to the structural roof decks, followed by the installation of a new fully adhered roofing assembly to include gypsum roof sheathing, a vapor retarder, polyisocyanurate foam roof insulation, cover board, and 90-mil EPDM membrane. A 2-year installer warranty and a 30-year manufacturer warranty are required. Fall protection guardrails constructed from fiber-reinforced plastic (FRP) will be installed to the parapet walls of the powerhouse and elevator penthouse roofs to ensure a safe work environment for maintenance personnel conducting preventative maintenance activities on the roofs. Fabricated metal stairs will be installed to replace existing ladder access to two roof areas. The mechanical air conditioning unit for the elevator machine room will be replaced with a new split heat pump system with indoor air handler and outdoor condenser unit. Roof parapet heights above the parking lot/roadway range from 36 feet high to 75 feet high. Cranes and/or telescopic boom lifts will be necessary to deliver material on to the roof surfaces. High voltage equipment and overhead transmission lines will limit placement and reach of equipment. Demolished materials may be removed using cranes, telescopic boom lifts, or debris chutes. THE GOVERNMENT RESERVES THE RIGHT TO CANCEL THE SOLICITATION EITHER BEFORE OR AFTER THE CLOSING DATE. NO REIMBURSEMENT WILL BE MADE FOR ANY COSTS ASSOCIATED WITH PROVIDING INFORMATION IN RESPONSE TO THIS PRE-SOLICITATION NOTICE OR ANY FOLLOW-UP INFORMATION REQUEST. All on-site work shall be performed in accordance with the Corps of Engineers Safety and Health Requirements Manual (EM 385-1-1). Establish and manage an effective on-site Safety and Health program in accordance with EM 385-1-1 that will require the development and submission of a comprehensive project specific Accident Prevention Plan for Government acceptance. In addition, develop and submit for Government acceptance Activity Hazard Analyses for each phase of work and a project specific Fall Protection Plan that comply with EM 385-1-1. A Site Safety and Health Officer (SSHO) employed by the prime co…