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Earthquake-Actuated Automatic Gas Shutoff Devices (25-97)


American Society of Civil Engineers

Standards ASCE 25-97

1999 / 26 pp.
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This Standard provides minimum functionality requirements for earthquake-actuated automatic gas shutoff devices and systems including mechanical devices that have means of sensing seismic activity and of shutting off the flow of gaseous fuels. This Standard is applicable to single-family or multi-family structures of three stories or fewer. The seismic performance requirements established by this Standard are based upon data from recent earthquakes, primarily in Southern California.