Dan,

That is incorrect information.  This is still a requirement in NFPA 13.
Some had previously reported that FM was planning to remove it from the FM
Data Sheet requirements.  Someone was confused, as it has not, nor was it
ever planned to be removed.  In fact, as currently worded, the FM
requirement could lead to including MORE than 2 additional heads in an ESFR
remote area.

Jeff Hewitt, PE, SET, SFPE (Professional Member)
Corporate Engineer
Bi-State Fire Protection Corporation
241 Hughes Lane
St. Charles, MO  63301
636-946-0011
636-946-5172 (FAX)

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of danarbel
Sent: Tuesday, November 04, 2008 10:51 AM
To: [email protected]
Subject: RE: Fire Pump Suction

Question regarding the number of ESFR heads required for hydraulic calc. 

The nominal number is 12. 

There was a requirement to add 2 heads if there are heads installed below
beams or AC ducts. 

If I'm not wrong the addition of 2 heads was abolished. 

Please confirm or correct me,

Dan Arbel


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