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NYC Building Code

§ 717.3.1 — § 717.3.1

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What is NYC BC § 717.3.1?

Quick Answer

This section outlines the testing and labeling requirements for dampers used in heating, ventilation, and air-conditioning systems. It specifies compliance standards for fire dampers, smoke dampers, combination fire/smoke dampers, and ceiling radiation dampers. Applies to building owners responsible for HVAC system installations.

General informational summary. Not legal advice for your situation. Consult an attorney before acting on any specific matter.

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717.3.1 Damper testing.

BC § 717.3.1

Dampers shall be listed and labeled in accordance with the standards in this section.

1.Fire dampers shall comply with the requirements of UL 555. Only fire dampers and ceiling radiation dampers labeled for use in dynamic systems shall be installed in heating, ventilation and air-conditioning systems designed to operate with fans on during a fire.

2.Smoke dampers shall comply with the requirements of UL 555S.

3.Combination fire/smoke dampers shall comply with the requirements of both UL 555 and UL 555S.

4.Ceiling radiation dampers shall comply with the requirements of UL 555C or shall be tested as part of a fire-resistance-rated floor/ceiling or roof/ceiling assembly in accordance with ASTM E 119 or UL 263.

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