This opportunity is a Horizontal Construction Multiple Award Contract (MAC) for heavy civil construction projects, primarily supporting Malmstrom AFB, MT, and its missile facilities. The contract has an estimated ceiling of $24,999,999.99, with an initial five-year ordering period and a potential two-year option. The initial seed project is the Repair North/South Water System (Phase II) on Malmstrom AFB, with a 180-calendar-day performance period after NTP. The government is not currently requesting proposals, and the official solicitation will be released later.