Use the small room rule where the head is allowed to be 9' from one wall and calc as if it were a 16 x 16. Less pressure and water overages. 4 head calc for 900 sqft.
"For I am not ashamed of the gospel, because it is God's power for salvation to everyone who believes..." HCS Romans 1:16 "Therefore having overlooked the times of ignorance, God is now declaring to men that all people everywhere should repent,..." NASB Acts 17:30 > On Jul 13, 2016, at 9:50 AM, Jay Stough <[email protected]> wrote: > > I have a nursing care facility that I am trying to calc. Must be 13 (2007) > light. Can not use room design or residential method per state AHJ. The > building is shaped like an upper case H with the bottom legs cut off. There > are 4 rooms on one side of the corridor and 3 rooms on the other side of the > corridor in each upper leg that use extended coverage sprinkler in each room. > Also 1 standard spray sprinkler in a closet and one standard spray sprinkler > in a bathroom in each room. Sprinklers in the corridor are standard spray > also. Since I am using extended coverage sprinklers, I need to calculate 5 > minimum. The sprinklers cover 16'3 X 14', so need to calc at the 18' X 18' > rate. 22.4.6.2 allows me in "rooms like closets, washrooms and similar small > compartments requiring only one sprinkler shall be permitted to be omitted > from calculations within the area of application". Can I calculate 6 > extended coverage sprinklers, without the corridor or "small rooms or > compartments" for my 1500 sq ft? Or should I calc 5 extended coverage and > the hallway sprinklers in the 1500 sq ft? > > Jay Stough > NICET IV LAYOUT > NICET III ITM > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
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