// CODE SNIPPET
506.3.11.4 Duct Enclosure Not Required
Related Code Sections
506.3.11.4 Exhaust Systems, Duct Enclosure Not Required
A duct enclosure shall not be required for a grease duct that penetrates only a nonfire-resistance-rated roof/ceiling assembly ...
Mechanical Code 2012 of Tennessee > 5 Exhaust Systems > 506 Commercial Kitchen Hood Ventilation System Ducts and Exhaust Equipment > 506.3 Ducts Serving Type I Hoods > 506.3.11 Grease Duct Enclosures > 506.3.11.4 Duct Enclosure Not Required
607.5.5 Duct Systems, Shaft Enclosures
Shaft enclosures that are permitted to be penetrated by ducts and air transfer openings shall be protected with approved fire and smoke dampers ...
Mechanical Code 2012 of Tennessee > 6 Duct Systems > 607 Duct and Transfer Openings > 607.5 Where Required > 607.5.5 Shaft Enclosures
403.2 Residential Energy Efficiency, Ducts
or equal to 4 cfm (113.3 L/min) per 100 ft 2 (9.29 m 2 ) of conditioned floor area . Exceptions: Duct tightness test is not required ...
909.21.3 Fire Protection Systems, Ducts for System
Any duct system that is part of the pressurization system shall be protected with the same fire-resistance rating as required for the elevator ...
Building Code 2012 of Tennessee > 9 Fire Protection Systems > 909 Smoke Control Systems > 909.21 Elevator Hoistway Pressurization Alternative > 909.21.3 Ducts for System
704.8 Fire and Smoke Protection Features, Embedments and Enclosures
Pipes, wires, conduits, ducts or other service facilities shall not be embedded in the required fire protective covering of a structural member ...
Building Code 2012 of Tennessee > 7 Fire and Smoke Protection Features > 704 Fire-Resistance Rating of Structural Members > 704.8 Embedments and Enclosures