Gas Detection (Australia) Pty Ltd Page 42 of 44
M-GDA-3000 Rev 1
13.
Caution before installation
13.1. Selection of installation location (Occupational Safety and Health
Law)
The Gas leak detection alarm system shall be installed in such place as follows. :
1) Near chemical accessory equipment installed inside/outside of a building and
susceptible of gas leak such as compressors, valves, reactors, and piping connections,
etc. dealing with combustible and toxic materials.
2) Locations risky of remaining gas near manufacturing equipments with ignition source
like heaters.
3) Around connections of filling equipments of combustible and toxic substances.
4) Substations, distribution panel rooms, control rooms, etc. near explosion-proof area.
5) Other special gas-friendly places.
13.2. Selection of installation location (High Pressure Gas Safety
Management Regulations)
The Gas detector of the Gas leak detection alarm system shall be installed close to risky area
of gas leakage. However, if the direct gas leaks are not expected, but gas residence is
vulnerable, it should be installed in such places as follows.
1) A gas leak detection alarm outside of a building shall be installed in a risky place of
gas residence considering the wind direction, wind speed, and the gravity of the gas.
2) A gas leak detection alarm inside of a building shall be installed in the lower part of the
building if the gas is lighter than the air, and upper part or near the vent of the building.
3) The alarm of the Gas leak detection alarm system shall be installed near Gas detector
or in places where workers usually are.
