Short story is yes. Long version is an ESFR is not an upright it's a control mode sprinkler and has its own rules. Beyond that if you are using them then you usually have an insurance underwriter who also had their own rules
Sent from my Verizon 4G LTE Droid On Mar 27, 2017 6:54 AM, Vince Sabolik <[email protected]> wrote: NFPA 13, 2013 8.12.5.3.2.1 The requirements of 8.12.5.3.2 shall not apply where upright sprinklers are located over the bottom chords of bar joists or open trusses that are 4 in. (102 mm) maximum in width. Does this mean that an upright ESFR can be at or near center of a bar joist? Thanks, Vince [cid:[email protected]] 11351 Pearl Road / Suite 101 Strongsville, Ohio 44136 Phone 440 238-4800 Fax 440 238-4876 Cell 440 724-7601 Vince Sabolik
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