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// CODE SNIPPET

607.6.2.1 Ceiling Radiation Dampers

Mechanical Code 2015 of Utah > 6 Duct Systems > 607 Duct and Transfer Openings > 607.6 Horizontal Assemblies > 607.6.2 Membrane Penetrations > 607.6.2.1 Ceiling Radiation Dampers
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Ceiling radiation dampers shall be tested in accordance with Section 607.3.1. Ceiling radiation dampers shall be installed in accordance with the details listed in the fire-resistance-rated assembly and the manufacturer's installation instructions and the listing. Ceiling radiation dampers are not required where any of the following apply:
  1. Tests in accordance with ASTM E 119 or UL 263 have shown that ceiling radiation dampers are not necessary to maintain the fire-resistance rating of the assembly.
  2. Where exhaust duct penetrations are protected in accordance with Section 714.4.1.2 of the International Building Code, are located within the cavity of a wall, and do not pass through another dwelling unit or tenant space.
  3. Where duct and air transfer openings are protected with a duct outlet protection system tested as part of a fire-resistance-rated assembly in accordance with ASTM E 119 or UL 263.

Related Code Sections


607.6.2.1 Duct Systems, Ceiling Radiation Dampers
Ceiling radiation dampers shall be tested in accordance with Section 607.3.1. Ceiling radiation dampers shall be installed in accordance ...
Mechanical Code 2015 of Utah > 6 Duct Systems > 607 Duct and Transfer Openings > 607.6 Horizontal Assemblies > 607.6.2 Membrane Penetrations > 607.6.2.1 Ceiling Radiation Dampers
717.6.2.1 Fire and Smoke Protection Features, Ceiling Radiation Dampers
Ceiling radiation dampers shall be tested in accordance with Section 717.3.1. Ceiling radiation dampers shall be installed in accordance ...
Building Code 2015 of Utah > 7 Fire and Smoke Protection Features > 717 Ducts and Air Transfer Openings > 717.6 Horizontal Assemblies > 717.6.2 Membrane Penetrations > 717.6.2.1 Ceiling Radiation Dampers
607.3.3.4 Duct Systems, Ceiling Radiation Damper Actuation
The operating temperature of a ceiling radiation damper actuation device shall be 50°F (28°C) above the normal temperature within the duct system ...
Mechanical Code 2018 of Utah > 6 Duct Systems > 607 Duct and Transfer Openings > 607.3 Damper Testing, Ratings and Actuation > 607.3.3 Damper Actuation > 607.3.3.4 Ceiling Radiation Damper Actuation
717.3.3.4 Fire and Smoke Protection Features, Ceiling Radiation Damper Actuation
The operating temperature of a ceiling radiation damper actuation device shall be 50°F (27.8°C) above the normal temperature within the duct system ...
Building Code 2018 of Utah > 7 Fire and Smoke Protection Features > 717 Ducts and Air Transfer Openings > 717.3 Damper Testing, Ratings and Actuation > 717.3.3 Damper Actuation > 717.3.3.4 Ceiling Radiation Damper Actuation
607.6.2 Duct Systems, Membrane Penetrations
with Section 713 of the International Building Code . A listed ceiling radiation damper installed at the ceiling line where a duct penetrates ...
Mechanical Code 2015 of Utah > 6 Duct Systems > 607 Duct and Transfer Openings > 607.6 Horizontal Assemblies > 607.6.2 Membrane Penetrations
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