A gas fitter shall turn the gas off from any appliance, pipe or piping system and shall leave the gas turned off until the cause for interrupting the supply has been removed, in any one of the following cases:
(a) If ordered to do so by authority as noted in Section 1547.03(b);
(b) If leakage of gas is noted, which appears to be sufficient to cause fire, explosion or asphyxiation;
(c) If an installation of some gas appliance is found to be such as to cause a serious hazard to persons or property because of incomplete combustion, fire, or air in the piping;
(d) If any condition exists which threatens interruption of the gas supply which may cause burner outage or otherwise prove dangerous;
(e) If any gas appliance has not been properly vented.
(Ord. 7425. Passed 11-24-81.)