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// CODE SNIPPET

409.0 Ducts

California Mechanical Code 2016 > 4 Ventilation Air > 409.0 Ducts
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[OSHPD 1, 2, 3 & 4]

409.1

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Ducts which penetrate construction, intended for X-ray or other radiation protection, shall not impair the effectiveness of the protection.

409.2

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Duct linings and their use shall meet the requirements of Chapter 6, California Mechanical Code.

409.3 Insulation of Ducts

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Cold air ducts shall be insulated wherever necessary or to prevent condensation.

409.4

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The anchorage and supporting structural elements for airducts shall be designed to withstand the lateral forces as required by the California Building Code, Title 24, Part 2.

Related Code Sections


1910.252(a)(2)(viii) Welding, Cutting, and Brazing, Ducts
Ducts and conveyor systems that might carry sparks to distant combustibles shall be suitably protected or shut down ...
OSHA 1910 General Industry > Q Welding, Cutting, and Brazing > 1910.252 General requirements > 1910.252(a) Fire prevention and protection > 1910.252(a)(2) Special precautions > 1910.252(a)(2)(viii) Ducts
406.3.4.3 Special Detailed Requirements Based on Use and Occupancy, Ducts
Ducts in a private garage and ducts penetrating the walls or ceilings separating the dwelling unit from the garage, including its attic area, shall ...
California Building Code 2016 (Vol 1) > 4 Special Detailed Requirements Based on Use and Occupancy > 406 Motor-Vehicle-Related Occupancies > 406.3 Private garages and carports > 406.3.4 Separation > 406.3.4.3 Ducts
409.0 Ventilation Air, Ducts
[OSHPD 1, 2, 3 & 4] Ducts which penetrate ...
California Mechanical Code 2016 > 4 Ventilation Air > 409.0 Ducts
603.1.1 Types of Construction, Ducts
The use of nonmetallic ducts shall be permitted where installed in accordance with the limitations of the California Mechanical Code ...
California Building Code 2016 (Vol 1) > 6 Types of Construction > 603 Combustible Material in Type I and Ii Construction > 603.1 Allowable materials > 603.1.1 Ducts
8-902.7 Mechanical, Plumbing and Electrical Requirements, Ducts
New ducts shall be constructed and installed in accordance with applicable requirements of the regular code ...
California Historical Building Code 2016 > 8-9 Mechanical, Plumbing and Electrical Requirements > 8-902 Mechanical > 8-902.7 Ducts
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