DOUBLE WALL INSULATED DUCTING

The contract calls for the supply of a dual‑wall insulated aluminum spiral duct system for the McAlester Army Ammunition Plant. The requirement includes straight dual‑wall duct pipe, 90‑ and 45‑degree elbows, a reducing lateral cross fitting, flange systems, clamps, and associated aluminum flanges, all with specific dimensions, insulation, and quantity details. The solicitation is SBA‑set‑aside and requires delivery of the listed components to the specified plant location. • 140 ft of 30‑in. × 34‑in. dual‑wall insulated spiral pipe • Elbows (90°: 4 units; 45°: 2 units) with 2‑in. fiberglass insulation • Reducing cross fitting and multiple flanges (28‑in. and 12‑in.) • QuickDraw clamps and AccuFlange connections • All items to be fabricated in aluminum with factory‑installed flanges and self‑sealing gaskets.