This requirement is to perform evaporative cooler maintenance and inspection on approximately 79 Celdek and 279 Aspen units base wide in accordance with the statement of work. The period of performance for this requirement is approximately 30 days. This requirement is a small business set-aside, and the applicable NAICS code is 238220. All prospective offerors must be CCR registered to be considered for award. A mandatory site visit is scheduled for 8 March 2004 at 10:00AM, Building 945, Luke Air Force Base, Arizona. The solicitation, including the statement of work, will be posted on or about 6 March 2004. Each offeror is responsible for checking this website frequently for any additional postings and amendments concerning this acquisition.