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Smoke dampers in supply airhandling systems having a capacity equal to or greater than 15,000 cfm (7.1 m3/s) shall be installed in accordance with Section 607.2.3 of the New York City Mechanical Code.

Related Code Sections

607.2.3 Duct Systems, Supply Air Systems
connections in supply air-handling apparatus and systems having a capacity equal to or greater than 15,000 cfm (7.1 m3/s). Exceptions: Where the air ...
607.2.3 Duct Systems, Supply Air Systems
connections in supply air-handling apparatus and systems having a capacity equal to or greater than 15,000 cfm (7.1 m3/s). Exceptions: Where the air ...