The U.S. Army Corps of Engineers Portland District is seeking industry input for a small business set-aside contract to replace three heavy-duty rolling service doors and electric operators at Bonneville Lock and Dam in Cascade Locks, Oregon. The contractor must provide all personnel, equipment, tools, and materials needed to furnish, deliver, and install the new doors, as well as completely remove, haul away, and dispose of the existing malfunctioning doors. Respondents must demonstrate compliance with NAICS 332321, provide past performance summaries and technical capabilities, and show proof that the installer has completed at least five installations on doors larger than 12' x 12'. This pre-solicitation notice is for market research and planning purposes only and does not constitute a solicitation, with the government not obligated to award a contract or pay for any response costs.