JB Charleston Multiple Award Construction Contract

The U.S. Air Force is issuing a multiple‑award construction contract for Joint Base Charleston (JB Charleston) covering a broad range of renovation and new‑construction tasks. The solicitation includes mechanical, HVAC, plumbing, fire protection, and related building systems work across several facilities (e.g., Buildings 464 and 466). Task orders are expected to range from $1 M to $30 M and may be issued from 27 June 2026 through 26 December 2032. The award is set aside for HUBZone or Service‑Disabled Veteran‑Owned Small Business (SDVOSB) firms, with a bid guarantee of 20 % of the bid price or $3 M, whichever is less. The amendment updates the proposal due date, adds several attachments (geotechnical report, wage determinations, specifications, etc.), and clarifies socioeconomic set‑aside language. • Scope includes building‑level mechanical and HVAC design, installation, and commissioning. • Includes fire‑hydrant flow testing, salvage storage, and as‑built drawing updates. • Requires compliance with specific wage determinations for SC and NC counties. • Liquidated damages rate: $567 per calendar day. • Offers multiple task orders over a six‑year period, each potentially valued up to $30 M. • Set‑aside: HUBZone or SDVOSB (certification for one category required). • Bid guarantee: 20 % of bid price or $3 M, whichever is less.