FIRE RESISTING DUCTWORK - AN OVERVIEW

Each and every storey need to be ventilated by everlasting openings at each auto parking amount. The openings may be at ceiling stage. The combination totally free vent spot should be a minimum of 1/40 of that stage's ground area, at the least 50 % of which should be offered Similarly by two opposite walls (one/one hundred sixty on either side). Th

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