Isolation of gas systems

Following the July 2019 gas leak incident in Richmond BC, we’re recommending that the contractor or gas fitter ensure: the gas system is isolated from the source before altering or disconnecting a gas piping system; and alterations of a gas piping system include a test procedure, and that the gas piping system is gas-tight after the test Do you have comments or concerns about this recommendation? The gas codes consultation has concluded.
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