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ordinary hazard

Question asked by hantaaal on Jan 30, 2018
Latest reply on Feb 12, 2018 by hantaaal


in ordinary hazard sprinkler cover 12.1m2 .

i divided  4*3 m  but i find out in NFPA13 verssion 2016  (Where the distance between sprinklers on the
branch line exceeds 12 ft (3.7 m) or the distance between the
branch lines exceeds 12 ft (3.7 m), the number of sprinklers
for a given pipe size shall be in accordance with Table


1- if i use 4*3 m is it acceptable. 

2- if i want to use NFPA13 instruction in which page can i find  table  (Note: For other pipe and tube sizes, see Table or it is mistake from NFPA.


eng. hafeez