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Chapter Law Content

Part 3 Fire Safety Equipments
Chapter 2 Alarm Equipments
Section 2 Manual Fire Alarm Equipments
Article 129
Each fire alarm division shall be equipped with fire alarms pursuant to the following provisions:
1.Fire alarm sound shall be given out immediately when the button is pressed down.
2.Protecting plate shall be installed before the button to prevent haphazard pressing.
3.Emergency power source shall be attached.
4.The fire alarms installed out the door shall be provided with waterproof functions.
Where two storeys share a same fire alarm division, the fire alarms shall be installed separately in the two storeys. But the division in stairways or between pipes isn’t required to install an alarm.
Article 130
Indicating lamps shall be installed in places equipped with manual alarm equipments and shall keep alight at other times, and the transparent cover shall be circular arc shaped and extends outside the wall. The lamp shall form an angle of 15°with the mounting surface, and there shall be no mask shielding the lamp within 10m away from the lamp.
Article 131
Fire alarm ring in places equipped with manual alarm equipments shall be installed pursuant to the following provisions:
1.Sound shall be given out immediately when the voltage reaches 80% of the specified value.
2.Under the specified voltage, the volume measured at the position 100cm away from the fire alarm ring shall be not less than 90db.
3.The insulation resistance of electric ring measured by 250V DC insulation ohmmeter shall be not less than 20MΩ.
4.The sound of alarm ring shall be different from other sounds of the building, and may not be used for purposes other than alarm.
It is allowable that the above-mentioned fire alarm ring is not installed where emergency broadcasting equipments are installed under Section 3 of this chapter.
Article 132
Manual alarm box, indicating lamp and fire alarm ring shall be installed pursuant to the following provisions:
1.They shall be installed at appropriate locations in passages for fire refuge.
2.The height of manual alarm box shall be not less than 1.2m and not more than 1.5m.
3.Indicating lamp and fire alarm ring shall be 2~2.5m high from the floor, unless they are installed together with manual alarm box.
4.In buildings where fire hydrant box of fire standpipe is equipped, manual alarm box, indicating lamp and fire alarm ring shall be installed on the wall above the fire hydrant box.