Missile Munitions Distribution Facility and Rail Classification Yard at Letterkenny Army Depot in Chambersburg, Pennsylvania

This contract awards GRUNLEY CONSTRUCTION CO., INC. a $45,929,500 construction project to build a 57,955‑square‑foot Missile Munitions Distribution Facility (MMDF) with associated canopy, a 568‑square‑foot Vehicle Storage Building, and a new Rail Classification Yard (approximately 8,000 linear feet of rail siding) at Letterkenny Army Depot, Pennsylvania. The work includes site development—earthwork, BMPs, fencing, roadways, hardstand areas, culvert extensions, and unpaved rail beds—as well as ancillary structures such as a 327‑square‑foot Munitions Operations Management Building. Multiple amendments updated drawings, specifications, and proposal deadlines, and removed a previously required Project Labor Agreement. • Primary scope: new MMDF warehouse, canopy, vehicle storage building, and rail classification yard. • Site work: extensive earthmoving, drainage, environmental BMPs, utility extensions, and road/rail infrastructure. • Award value: $45.9 M; contract administered by the U.S. Army Corps of Engineers; awarded on 18 Sep 2026.