// CODE SNIPPET
1109.1.3 Prohibited Contact
JUMP TO FULL CODE CHAPTER
Aluminum, zinc, magnesium, or their alloys shall not be used in contact with methyl chloride. Magnesium alloys shall not be used where in contact with halogenated refrigerants. [ASHRAE 15:9.1.2]
Related Code Sections
1109.1.3 Refrigeration, Prohibited Contact
Aluminum, zinc, magnesium, or their alloys shall not be used in contact with methyl chloride. Magnesium alloys shall not be used where in contact ...
Los Angeles Mechanical Code > 11 Refrigeration > 1109.0 Refrigeration Piping, Containers, and Valves > 1109.1 Materials > 1109.1.3 Prohibited Contact
1106.8 Refrigeration, Special Requirements
Open flames or devices having an exposed surface exceeding 800°F (427°C) shall be prohibited in refrigeration machinery rooms. Exceptions ...
Los Angeles Mechanical Code > 11 Refrigeration > 1106.0 Refrigeration Machinery Rooms > 1106.8 Special Requirements
R607.2 Wall Construction, Materials
in contact with mortar shall be treated with a polyvinyl butyral coating or latex-based paint. The use of reclaimed units is prohibited ...
1202.1 Hydronics, Prohibited Sources
water system. Piping, components, and devices in contact with the potable water shall be approved for such use and where an additive is used it shall ...
Los Angeles Mechanical Code > 12 Hydronics > 1202.0 Protection of Potable Water Supply > 1202.1 Prohibited Sources
1308.5.2.3 Fuel Gas Piping, Aluminum Alloy
Aluminum alloy pipe shall comply with ASTM B241 (except that the use of alloy 5456 is prohibited) and shall be marked at each end of each length ...
Los Angeles Mechanical Code > 13 Fuel Gas Piping > 1308.0 Gas Piping System Design, Materials, and Components > 1308.5 Acceptable Piping Materials and Joining Methods > 1308.5.2 Metallic Pipe > 1308.5.2.3 Aluminum Alloy