This is a market research Sources Sought notice for a potential project to replace 184 windows and frames on the north side of historic Building 52 at Fort Leavenworth, Kansas. The work involves installing aluminum-clad wood, double-hung windows and includes repairing six non-standard windows and eight mechanical openings. The performance location is specifically Fort Leavenworth, Kansas. The project requires a general contractor experienced in managing multiple tasks within the NAICS code 236220, which has a size standard of $45 million. This is not a solicitation, and no reimbursement will be provided for responses.