Daily Fire Safety Tips

2016-12-13View Original

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A question that everyone who has taken the fire safety exam encounters: Where does the figure 3.6 in the calculation of fire water demand come from? Do you have such doubts? How to convert L/s in the design flow rate to m3/h? 1 liter (L) = 1/1000 cubic meters (m3); 1 second (s) = 1/3600 hours (h). Therefore, 1 L/s = (1/1000) / (1/3600) = 1/1000 * 3600 = 3600/1000 = 3.6 m3/h. The formula for the water volume required by a single fire suppression system is: V (m3/h) = Design flow rate (L/s) * 3.6 * Duration of the fire (h). For example, if the design flow rate of the automatic sprinkler system in a commercial building is 30 L/s and the duration of the fire is 1 hour, then the water volume required will be 30 * 3.6 * 1 = 108 m3.

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