8/19/2019 CH. 18 Fuel Gas Piping

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Chapter 18

Appliance Fuel Connector - assembly of listed semi-rigid or exible tubing and

ttings to carry fuel bet. a fuel-piping outlet and a fuel burning appliance

Fuel Gas- atural! manufactured! li"ueed petroleum or a mixture of these

Gas #iping- any installation of pipe! $al$es! or ttings that is used to con$ey fuel

gas! installed on any premises or in any but shall not include%

&any portion of the ser$ice piping

&any appro$ed piping connection six feet '1!8()mm* or less in length

bet+een an existing gas

outlet and a gas appliance in the same room +ith the outlet

Gas #iping ,ystem- any arrangement of gas piping supplied by one meter and each

arrangement of gas piping ser$ing a building! structure! or premises! +hether

indi$idually metered or not

,er$ice #iping- he piping and e"uipment bet+een the street gas main and the gas

piping system inlet that is installed by and is under the control and maintenance of

the ser$ing gas supplier

 ransition Gas iser- any listed or appro$ed section or sections of pipe and ttings

used to con$ey fuel gas and installed in a gas piping system for the purpose of

pro$iding a transition from belo+ the ground to abo$e the ground

/arth"ua0e actuated Gas ,huto 2al$e- a $al$e to be installed in a gas piping

system designed to automoatically shut o the gas +hen a seismic disturbance is

detected

Copper and brass pipe shall not be used if the gas contains more than an a$erage of 

3.4 grains of hydrogen sulde per 133scf of gas '3.5mg61337*

 hreaded copper! brass or aluminum alloy pipe shall not be used +ith gases

corrosi$e to such material

Copper and brass tubing shall not be used if the gas! contains more than an

a$erage of 3.4g of hydrogen sulde per 133scf of gas '3.5mg61337*

Copper tubing shall comply +ith standard type or 7 of A,9 : 88

:ra;ing alloys shall not contain more than 3.3< percent phosphorus

Gas meters shall be located at least 4 feet '3.)m* from sources of ignition

7ongest 7ength 9ethod- the pipe si;e of each section of gas piping shall be

determined using the longest length of piping from the point of deli$ery to the most

remote outlet and the load of the section