Horizontal Construction Multiple Award Contract (MAC)

The Horizontal Construction Multiple Award Contract (MAC) at Malmstrom Air Force Base, Montana, is a total small business set-aside solicitation under NAICS code 237990 with a size standard of $45 million, designed to support a range of horizontal construction projects across the installation and its missile alert and launch facilities. The contract will have an initial five-year ordering period with a potential two-year option, for a total lifecycle of seven years, and the aggregate maximum value across all awarded contracts cannot exceed $25 million, with a guaranteed minimum of $500 per awardee, satisfied by attending the post-award conference. The initial project under this MAC is the Repair North/South Base Water System, Phase 2, which involves replacing water mains, installing valves, fire hydrants, meters, and appurtenances, along with removal and restoration of concrete driveways, sod, and curb, all requiring a minimum pipe depth of 6.5 feet, soil backfill in eight-inch lifts compacted to 95% maximum dry density per ASHTO 199, and use of flowable fill as specified. Compliance with a variety of federal, state, and Air Force regulations is mandatory, including OSHA safety standards, EPA and DOT regulations, MDEQ environmental requirements, and AFMAN 32-7002 regarding ozone-depleting substances, with particulate emissions limited to 20% opacity. All materials must be properly labeled, shipped in compliant 49 CFR containers, and accompanied by certificates of compliance containing detailed shipment information. Contractors must submit a Quality Control Plan for government approval, adhere to strict materials testing protocols, and shoulder all initial and retesting costs, while final acceptance requires submission of as-built drawings ten days prior to inspection. All personnel must obtain base access through the AF Form 355 or 1172, secure a badge at the Visitor Control Center, and submit an Entry Authority List to the contracting office up to 14 days in advance; private vehicles require an AF Form 75 vehicle sticker with proof of insurance. Mandatory Level I Anti-Terrorism Awareness Training must be completed within 30 days of access and annually thereafter, with full compliance required for all Force Protection Conditions and anti-terrorism measures. Work hours are typically 7:45 a.m. to 4:15 p.m., Monday through Friday, excluding federal holidays, though alternative four-day workweeks may be approved.