Taking opportunity of the accident, the Gas Service Act, 77th and 78th articles, "Protection of gas pipe exposed by excavating" was legislated. The act contained the following stipulations.
> Confirm that sand and soil at both ends of an exposed pipe have no possibility of collapse.
> Take suitable measures to prevent leakage.
> Take measures to absorb and to disperse the expansion and contraction of the pipe by the change of temperature.
> Take measures to shut off the gas in an emergency.