For the next (2016) edition I filed a Public Input asking for the 18" minimum be dropped and for the "S" dimension to be changed to "1/2 S". As per the First Draft Report, that was accepted, but of course it is susceptible to change during the Second round of deliberations.
Larry Keeping, P.Eng. Professional Loss Control 3413 Wolfedale Road, Suite 6 Mississauga, Ontario L5C 1V8 Phone: 905-949-2755, ext. 204 Fax: 905-949-1752 E-mail: [email protected] -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of [email protected] Sent: April-11-14 10:34 AM To: [email protected] Subject: Obstructions against wall EC's Just noticed Figure 8.8..1.2(c), 2013, it's new. It is also added for standard and residential heads. I tried to look up the ROP/ROC's but I lost my link and I can never find them through the menu system. The figure indicates a minimum depth of 18" for an obstruction (soffit) against a wall. I'm curious because there is no minimum distance listed for the sprinkler away from the side of the obstruction. Doing the math in Figure 8.8.5.1.2)(b) a 17" deep by 24" wide obstruction would require an A dimension of 33". The counterintuitive part for me is that some obstructions <18" deep and 24" wide could require a sprinkler beneath if with the minimum A dimension in Figure (b) isn't met but if the obstruction were 1" deeper it wouldn't require a sprinkler. Maybe I'm over analyzing or am I missing something. Ron F _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
