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Sprinkler Spacing in Lift Lobby (Corridor) of Office & Residential Building

Question asked by on May 9, 2018
Latest reply on May 10, 2018 by nocivus

Hey there! I have a common situation, wherein I need to install sprinklers in the corridor of an office cum Residential building. I understand the Lift Lobby area (Corridor) in every floor will fall under light hazard, as per NFPA the max. spacing for sprinklers is 4.6m and 2.3m from the walls. I know that these distances are maximum distances, the problem I feel is that the width of the corridor is just 1.8m, so even if I install my sprinklers in the middle, would the sprinkler pattern develop or be hindered by the close walls? What should be the ideal way of spacing sprinklers in such a case?