TB 28 Controlling Natural Gas Leaks In Polyethylene Pipe

Question 1

Commercial and residential natural gas line range from ____ to ____ inch

Answer 1

1/2 to 4

Question 2

Natural gas line have a burst pressure of ____ PSI?

Answer 2

800

Question 3

To control a natural gas leak use all the following

Answer 3

Redwood plugs
Hebert hose clamps (up to 3” pipe max)
Bend back method for small pipe, but may be used on large pipe if enough is exposed