Fire water supply needs: according to the rules for water supply (TCVN 2622-1995) and circular No. 04/2009/TTLT/BXD-BCA on 10/4/2009 of the Ministry of construction and Ministry of public security regarding: "Guide made the fire water supply, fire at urban and industrial zone". Residential computer for 1 fires, fire flow qcc = 10 (l/s), the time of the fire in 3 hours continuously. The fire head on the pavement and make sure the distance between the 150 m 2 space.
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