Code of Massachusetts Regulations
780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS
Chapter 7 - Fire and Smoke Protection Features
Section 716 - DUCTS AND AIR TRANSFER OPENINGS
Subsection 716.1 - General
Universal Citation: 780 CMR MA Code of Regs 716.1
Current through Register 1531, September 27, 2024
The provisions of this section shall govern the protection of duct penetrations and air transfer openings in assemblies required to be protected.
716.1.1 Ducts that penetrate fire-resistance-rated assemblies without dampers. Ducts that penetrate fire-resistance-rated assemblies and are not required by this section to have dampers shall comply with the requirements of Sections 713.2 through 713.3.3. Ducts that penetrate horizontal assemblies not required to be contained within a shaft and not required by this section to have dampers shall comply with the requirements of Sections 713.4 through 713.4.2.2.
716.1.1.1
Ducts that penetrate nonfire-resistance-rated assemblies. The
space around a duct penetrating a nonfire-resistance-rated floor assembly shall
comply with Section 716.6.3.
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