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// CODE SNIPPET

D113.5 Fuel Gas Piping Test

California Mechanical Code 2019 > D Fuel Supply: Manufactured/Mobile Home Parks and Recreational Vehicle Parks > D113.0 Fuel Supply Systems Installation > D113.5 Fuel Gas Piping Test
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The M/H fuel gas piping system shall be tested with air before it is connected to the gas supply. The M/H gas piping system shall be subjected to a pressure test with appliance shutoff valves in their closed positions. [NFPA 501A:4.4.5]

D113.5.1 Procedures

The fuel gas piping test shall consist of air pressure of not less than 10 inches water column or more than 14 inches water column (2.5 kPa to 3.5 kPa). The fuel gas piping system shall be isolated from the air pressure source and shall maintain this pressure for not less than 10 minutes without perceptible leakage. Upon satisfactory completion of the fuel gas piping test, the appliance valves shall be opened, and the gas appliance connectors shall be tested with soapy water or bubble solution while under the pressure remaining in the piping system. Solutions used for testing for leakage shall not contain corrosive chemicals. Pressure shall be measured with either a manometer, slope gauge, or gauge that is calibrated in either water inch (mm) or psi (kPa), with increments of either 1/10 of an inch (2.5 mm) or 1/10 psi (0.7 kPa gauge), as applicable. Upon satisfactory completion of the fuel gas piping test, the M/H gas supply connector shall be installed, and the connections shall be tested with soapy water or bubble solution. [NFPA 501A:4.4.5.1]

D113.5.2 Warning

The following warning shall be supplied to the installer:

WARNING

Do not overpressurize the fuel gas piping system. Damage to valves, regulators, and appliances is capable of occurring due to pressurization beyond the maximums specified. [NFPA 501A:4.4.5.2]

D113.5.3 Vents

Gas appliance vents shall be visually inspected to ensure that they have not been dislodged in transit and are connected securely to the appliance. [NFPA 501A:4.4.5.3]

Related Code Sections


D113.5 Fuel Supply: Manufactured/Mobile Home Parks and Recreational Vehicle Parks, Fuel Gas Piping Test
The M/H fuel gas piping system shall be tested with air before it is connected to the gas supply. The M/H gas piping system shall be subjected ...
California Mechanical Code 2019 > D Fuel Supply: Manufactured/Mobile Home Parks and Recreational Vehicle Parks > D113.0 Fuel Supply Systems Installation > D113.5 Fuel Gas Piping Test
D113.5 Fuel Supply: Manufactured/Mobile Home Parks and Recreational Vehicle Parks, Fuel Gas Piping Test
The M/H fuel gas piping system shall be tested with air before it is connected to the gas supply. The M/H gas piping system shall be subjected ...
California Mechanical Code 2016 > D Fuel Supply: Manufactured/Mobile Home Parks and Recreational Vehicle Parks > D113.0 Fuel Supply Systems Installation > D113.5 Fuel Gas Piping Test
1213.1 Fuel Gas Piping, Piping Installations
assemblies fabricated independently of the piping system in which they are to be installed shall be permitted to be tested with inert gas or air ...
California Plumbing Code 2016 > 12 Fuel Gas Piping > 1213.0 Pressure Testing and Inspection > 1213.1 Piping Installations
1313.1 Fuel Gas Piping, Piping Installations
independently of the piping system in which they are to be installed shall be permitted to be tested with inert gas or air at the time of fabrication. [NFPA 54 ...
California Mechanical Code 2019 > 13 Fuel Gas Piping > 1313.0 Pressure Testing and Inspection > 1313.1 Piping Installations
1314.1 Fuel Gas Piping, Piping Installations
assemblies fabricated independently of the piping system in which they are to be installed shall be permitted to be tested with inert gas or air ...
California Mechanical Code 2016 > 13 Fuel Gas Piping > 1314.0 Pressure Testing and Inspection > 1314.1 Piping Installations
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