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// CODE SNIPPET

308.3 Protective Assembly Construction and Installation

2015 Michigan Mechanical Code > 3 General Regulations > 308 Clearance Reduction > 308.3 Protective Assembly Construction and Installation
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Reduced clearance protective assemblies, including structural and support elements, shall be constructed of noncombustible materials. Spacers utilized to maintain an airspace between the protective assembly and the protected material or assembly shall be noncombustible. Where a space between the protective assembly and protected combustible material or assembly is specified, the same space shall be provided around the edges of the protective assembly and the spacers shall be placed so as to allow air circulation by convection in such space. Protective assemblies shall not be placed less than 1 inch (25 mm) from the mechanical appliances, devices or equipment, regardless of the allowable reduced clearance.

Related Code Sections


308.3 General Regulations, Protective Assembly Construction and Installation
Reduced clearance protective assemblies, including structural and support elements, shall be constructed of noncombustible materials. Spacers ...
2015 Michigan Mechanical Code > 3 General Regulations > 308 Clearance Reduction > 308.3 Protective Assembly Construction and Installation
717.6 Fire and Smoke Protection Features, Horizontal Assemblies
of the construction penetrated. Grille openings located in a ceiling of a fire-resistance-rated floor/ceiling or roof/ceiling assembly shall be protected ...
2015 Michigan Building Code > 7 Fire and Smoke Protection Features > 717 Ducts and Air Transfer Openings > 717.6 Horizontal Assemblies
607.6 Duct Systems, Horizontal Assemblies
of a fire-resistance-rated floor/ceiling or roof/ceiling assembly shall be protected with a listed ceiling radiation damper installed in accordance ...
2015 Michigan Mechanical Code > 6 Duct Systems > 607 Duct and Transfer Openings > 607.6 Horizontal Assemblies
M1410.2 Heating and Cooling Equipment and Appliances, Floor Mounting
Room heaters shall be installed on noncombustible floors or approved assemblies constructed of noncombustible materials that extend not less than ...
2015 Michigan Residential Code > 14 Heating and Cooling Equipment and Appliances > M1410 Vented Room Heaters > M1410.2 Floor Mounting
704.4 Fire and Smoke Protection Features, Protection of Secondary Members
Horizontal assemblies are permitted to be protected with a membrane or ceiling where the membrane or ceiling provides the required fire-resistance rating ...
2015 Michigan Building Code > 7 Fire and Smoke Protection Features > 704 Fire-Resistance Rating of Structural Members > 704.4 Protection of Secondary Members
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