Installation progress of return duct risers serving cleanrooms connecting to mechanical mezzanine
Sections of duct were prefabbed, delivered, and installed during the three-day roof rig.
New roof ductwork was installed before being connected to the fans.
The city of Sacramento opted for all new ductwork for the Convention Center expansion and renovation.
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Miller Bonded: Five duct systems at the UNM's interdisciplinary Science Building.
