More than three floors (new building)Target buildingApplied lawsApartment complexCommercial facilityThere is no legal regulation.LP gasThere is no legal regulation.There is no legal regulation.There is no legal regulation.LP gasGas leak alarm itselfAutomatic gas shutoff system*orAutomatic gas shutoff system*Gas leak intensive monitoring systemGas leak indication lampAAutomatic gas shutoff systemGas leak alarm itselforLP gasThere is no legal regulation.Ministerial ordinances 1 and 2, January 20, 1981Office notice 263, June 3, 1981Office notice 461, November 15, 1985Office notice 578, September, 2000Cabinet order 6, January 23, 1981Ministerial ordinance 16, June 20, 1981Cabinet order 196, July 14, 1980Office notice 1099, July 1, 1981Ministerial ordinance 11, March 10, 1997Official notice 123, March 13, 1997Town gas, LP gasTown gas and LP gasGas business law(Ministry of Economy, Trade and Industry)Fire services act(Ministry of Internal Affairs and Communications)Building standards law(Ministry of Land, Infrastructure, Transport and Tourism)Liquefied petroleum gas law(Ministry of Economy, Trade and Industry)● Underground mall/ Total area more than 1,000 m² ● Semi-underground shopping mall/ In contact with the underground passage at the basement floor and having an area of more than 1,000 m2, and a total area dedicated for special use has more than 500 m²● Designated basements/ • Basement subject to fire prevention measures for designated use having a total floor area of more than 1,000 m² • Basement subject to fire protection measures for specific facility use having a total floor area of more than 1,000 m2, in which the portion specified for dedicated use has a total floor area of more than 500 m² Emergency reportReceiverTransfer unitGas leak alarmEmergency power supplyorVoice alarm equipmentGas leak alarm● Performing theater, film theater, entertainment hall, public hall, and similar facilities● Cabaret, nightclub, game hall, and similar facilities● Rent space and restaurant● Department store and market● Inn, hotel, dormitory, and apartment complex● Hospital, clinic, midwifery home● Elementary school, junior high school, high school, higher professional school, university, blind school, school for the deaf, school for disabled children, kindergarten, and other schools● Library, museum, and art museum● Public bath● Station, arriving and departing port or field for boat or airplane (limited to the construction used for passenger boarding, deboarding, and waiting)● Shrines, temples, churches, and similar facilities● Offices having a total floor area of more than 1,000 m2 (except for the facilities listed above)● Skyscraper building (construction with more than 60 m height)● Specific massive building • Performing theater, film theater, entertainment hall, or pavilion• Public hall or meeting hall• Cabaret, nightclubs or similar facilities• Game hall or dance hall• Waiting room, restaurant, or similar facilities• Restaurant• Department store, market, and shop or showroom selling items• Inn, hotel, or rest house• Steam bath, hot air bath, or similar facilities among public bath● Joint of middle pressure conducting pipe (except for welded joint)① Gas cocks and apparatuses are screw-tightened with metal pipe metal flexible hose or reinforced gas hose (with metal wire).② Use a gas cock with excessive spill prevention mechanism (fuse cock).③ Install a gas leak alarm facility according to the predetermined standards. One of the above is required.Gas leak alarm itselfAutomatic gas shutoff system*orOutdoor buzzer systemGas leak intensive monitoring systemGas leak intensive monitoring systemAutomatic gas shutoff system*BIf both of A and B apply (LP gas is used in newly built houses with more than three floors and in less than 69 houses), then one of following 2 kinds of installation is required.① Install the gas alarm facility as established in the liquefied petroleum gas law even if a reinforced hose or excessive spill prevention valve are installed.② Install the gas alarm facility as established in the building standards law if the reinforced hose or excessive spill prevention valve are not installed.Gas leak intensive monitoring systemHouses for more than three families (LP gas)Less than 69 houses within the same estate（）Outdoor buzzer typeorGas leak intensive monitoring systemGas Leak & Fire Alarm Equipment Laws and Regulations●Reference*Administrative advice37Gas Leak & Fire Alarm Equipment Laws and Regulations
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