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// CODE SNIPPET

1313.1.4 Piping System

California Mechanical Code 2019 > 13 Fuel Gas Piping > 1313.0 Pressure Testing and Inspection > 1313.1 Piping Installations > 1313.1.4 Piping System
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A piping system shall be tested as a complete unit or in sections. Under no circumstances shall a valve in a line be used as a bulkhead between gas in one section of the piping system and test medium in an adjacent section, unless a double block and bleed valve system is installed. A valve shall not be subjected to the test pressure unless it can be determined that the valve, including the valve-closing mechanism, is designed to safely withstand the pressure. [NFPA 54:8.1.1.5]

Related Code Sections


1213.1.4 Fuel Gas Piping, Piping System
A piping system shall be tested as a complete unit or in sections. Under no circumstances shall a valve in a line be used as a bulkhead between gas ...
California Plumbing Code 2016 > 12 Fuel Gas Piping > 1213.0 Pressure Testing and Inspection > 1213.1 Piping Installations > 1213.1.4 Piping System
1213.1.4 Fuel Gas Piping, Piping System
A piping system shall be tested as a complete unit or in sections. Under no circumstances shall a valve in a line be used as a bulkhead between gas ...
California Plumbing Code 2019 > 12 Fuel Gas Piping > 1213.0 Pressure Testing, Inspection, and Purging > 1213.1 Piping Installations > 1213.1.4 Piping System
1313.1.4 Fuel Gas Piping, Piping System
A piping system shall be tested as a complete unit or in sections. Under no circumstances shall a valve in a line be used as a bulkhead between gas ...
California Mechanical Code 2019 > 13 Fuel Gas Piping > 1313.0 Pressure Testing and Inspection > 1313.1 Piping Installations > 1313.1.4 Piping System
1314.1.4 Fuel Gas Piping, Piping System
A piping system shall be tested as a complete unit or in sections. Under no circumstances shall a valve in a line be used as a bulkhead between gas ...
California Mechanical Code 2016 > 13 Fuel Gas Piping > 1314.0 Pressure Testing and Inspection > 1314.1 Piping Installations > 1314.1.4 Piping System
5303.4.3 Compressed Gases, Piping Systems
Piping systems shall be marked in accordance with ASME A13.1. Markings used for piping systems shall consist of the content's name and include ...
California Fire Code 2019 > 53 Compressed Gases > 5303 General Requirements > 5303.4 Marking > 5303.4.3 Piping Systems
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