Dworshak Powerhouse Roof Replacement and Facility Improvements

The U.S. Army Corps of Engineers is planning an unrestricted firm-fixed-price construction contract to replace the Dworshak Powerhouse roofing system, install roof safety guardrails and metal stairs, and replace an elevator-machine-room heat pump system in Ahsahka, Idaho.

United States of America > DEPT OF DEFENSE > DEPT OF THE ARMY > US ARMY ENGINEER DISTRICT WALLA WAL (CONTRACTING DIVISION)


General
Open (active)
W912EF27BA001
Oct 16, 2026 09:00 PM
Sep 25, 2026 08:39 PM
Request for Proposal (RFP)
Federal
Ask AI about this solicitation
Original Solicitation Links
Contact
leanne.r.walling@usace.army.mil
+15095277230
201 N 3rd Avenue, Walla Walla, WA, USA
Description

This presolicitation concerns an unrestricted, single-award firm-fixed-price construction contract for the Dworshak Powerhouse and ancillary roofs. The work includes complete removal of the existing roofing system to the structural decks and installation of a fully adhered assembly consisting of gypsum roof sheathing, vapor retarder, polyisocyanurate insulation, cover board, and a 90-mil EPDM membrane. The contractor must provide a two-year installer warranty and a 30-year manufacturer warranty. Additional work includes installing fiber-reinforced-plastic fall-protection guardrails, fabricated metal stairs replacing ladder access to two roof areas, and a split heat-pump system for the elevator machine room. The contractor must manage on-site safety and quality-control programs, including an Accident Prevention Plan, Activity Hazard Analyses, Fall Protection Plan, CQC Plan, required safety and quality-control personnel, RMS/QCS reporting, product and test submittals, as-built drawings, O&M manuals, shop drawings, and spare parts. Large businesses must provide a small-business subcontracting plan. Performance and payment bonds, each at 100 percent, are required.

Classification Codes
NAICS238160Roofing Contractors
PSCZ2KAREPAIR OR ALTERATION OF DAMS
Smart Codes
commercial roof replacementroof safety guardrailscommercial hvac replacement
Specifications
Service
Timeline
Sep 25, 2026 08:39 PM-Presolicitation Published
Oct 16, 2026 09:00 PM-Notice Response Date (Not a Bid Deadline)
Oct 31, 2026-Expected Solicitation Posting
Nov 14, 2026-Anticipated Site Visit (optional)
The site visit is expected approximately two weeks after the solicitation is made available; see the solicitation for details.
Jan 1, 2027-Anticipated Award
Requirements
Required
  • Performance Bond — 100%
  • Payment Bond — 100%
Required
No
Documents
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