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// CODE SNIPPET

1107.3 Pipe Enclosures

Mechanical Code 2018 of Maryland > 11 Refrigeration > 1107 Refrigerant Piping > 1107.3 Pipe Enclosures
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Rigid or flexible metal enclosures or pipe ducts shall be provided for soft, annealed copper tubing and used for refrigerant piping erected on the premises and containing other than Group A1 or B1 refrigerants. Enclosures shall not be required for connections between condensing units and the nearest riser box(es), provided such connections do not exceed 6 feet (1829 mm) in length.

Related Code Sections


1107.3 Refrigeration, Pipe Enclosures
Rigid or flexible metal enclosures or pipe ducts shall be provided for soft, annealed copper tubing and used for refrigerant piping erected ...
Mechanical Code 2018 of Maryland > 11 Refrigeration > 1107 Refrigerant Piping > 1107.3 Pipe Enclosures
7.2.5.3 System Requirements, Supply
The supply for the sprinkler in the dry pipe valve enclosure shall be either from the dry side of the system or from a wet pipe sprinkler system ...
Standard for the Installation of Sprinkler Systems 2016 of Maryland > 7 System Requirements > 7.2* Dry Pipe Systems > 7.2.5* Location and Protection of Dry Pipe Valve > 7.2.5.3 Supply
7.2.5.3 System Requirements, Supply
The supply for the sprinkler in the dry pipe valve enclosure shall be either from the dry side of the system or from a wet pipe sprinkler system ...
Standard for the Installation of Sprinkler Systems 2013 of Maryland > 7 System Requirements > 7.2* Dry Pipe Systems > 7.2.5* Location and Protection of Dry Pipe Valve > 7.2.5.3 Supply
54.3.2.1 Ozone Gas-Generating Equipment,
Secondary containment, such as double-walled piping or exhausted enclosures, shall be provided for piping, valves, fittings, and related components ...
State of Maryland Fire Prevention Code > 54 Ozone Gas-Generating Equipment > 54.3 Piping, Valves, and Fittings > 54.3.2 Secondary Containment > 54.3.2.1
908.3.3 Fire Protection Systems, Valve Closure
automatically close. Where the gas-detection sampling point initiating the gas detection system alarm is within a piping distribution manifold enclosure ...
Building Code 2015 of Maryland > 9 Fire Protection Systems > 908 Emergency Alarm Systems > 908.3 Highly Toxic and Toxic Materials > 908.3.3 Valve Closure
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