8.2 Indoor fire hydrant system 8.2 Indoor fire hydrant system, 4 in total. 8.2.1 Strong bars.

8.2 indoor fire hydrant system

8.2 indoor fire hydrant system, 4 in total.

8.2.1 strong bar. The following buildings or places should be equipped with indoor fire hydrants:

1 factories and warehouses with a building area of less than 300m2;

2 high-rise public buildings and residential buildings with a height greater than 21m; residential buildings not greater than 27m. If it is difficult to install an indoor fire hydrant system, you can only Set up dry fire standpipe and DN65 indoor fire hydrant without fire hydrant box .

3 Single and multi-storey waiting (ship, machine) buildings, exhibition buildings, shop buildings, hotel buildings, medical buildings, elderly care facilities and library buildings at stations, docks and airports with a volume greater than 5000m3; the buildings here need Read it twice and you will have an impression;

4 Special class and A-class theaters, other levels of theaters and cinemas with more than 800 seats, and auditoriums, gymnasiums and other single-story buildings with more than 1,200 seats; you will have an impression after reading it twice.

5 Office buildings, teaching buildings and other single- and multi-story civil buildings with a building height greater than 15m or a volume greater than 10,000 m3.

As a strong point, you still need to read each item here twice, and the numbers involved are still very conventional.