Correct 150 sf with no sprinkler protection. The volume is 363 ft^3. One side of raised ceiling has grated paneling. See attached picture of grated paneling to ductwork above higher ceiling.
Feel free to contact me with any questions. Regards, Timothy Easter, E.I.T. Graduate Fire Protection Engineer Direct: (757) 383-6217 timothy.eas...@aecom.com AECOM 11832 Rock Landing Drive Suite, 306, Newport News, Virginia 23606 www.aecom.com This e-mail and any attachments contain AECOM confidential information that may be proprietary or privileged. If you receive this message in error or are not the intended recipient, you should not retain, distribute, disclose or use any of this information and you should destroy the e-mail and any attachments or copies. -----Original Message----- From: Sprinklerforum [mailto:sprinklerforum-boun...@lists.firesprinkler.org] On Behalf Of Parsley Consulting Sent: Wednesday, October 14, 2015 6:48 PM To: sprinklerforum@lists.firesprinkler.org Subject: Re: False Ceiling formed by soffits (29" in height) has grated paneling to HVAC ductwork above regular ceiling. Timothy, I must not be understanding the issue. Are you describing a rectangle 15' x 10' (150 square feet) which has no sprinkler protection in an otherwise fully sprinklered building? *Ken Wagoner, SET *Parsley Consulting*** *350 West 9th Avenue, Suite 206 *Escondido, California 92025 *****Phone 760-745-6181* Visit our website <http://www.parsleyconsulting.com/> *** On 10/14/2015 1:40 PM, Easter, Timothy wrote: > The facility is a non-combustible business occupancy. Basically, two office > areas were converted into a small work out area by removing a wall and > raising a section of the ceiling. The section that is higher has no sprinkler > heads in it leaving a void above all other lower sprinkler heads. The > sprinkler heads in the lower corners meet coverage on the horizontal space > but leaves a 29" gap above the water spray to the ceiling above. The square > measures 15'x10'x29" above the rest of the ceiling the room. Contractor has > used grated panels leaving the space above the ceiling open to mechanical > duct work above, all other walls go to the roof deck. My questions are: > 1- DO WE NEED TO ADD SPRINKLER HEADS AT THE CEILING IN THE VOID? > My answer is per NFPA 13 section 8.6.4.1.1.3(B) a sprinkler head is not > needed since can be considered flat ceiling. > > 2-CAN THE SPACE BE OPEN LIKE THAT TO THE MECHANICAL DUCT WORK? > My answer is the grated panels should be replaced with regular panels, > however I cannot find a code reference. > > Feel free to contact me with any questions. > Regards, > > Timothy Easter, E.I.T. > Graduate Fire Protection Engineer > Direct: (757) 383-6217 > timothy.eas...@aecom.com<mailto:timothy.eas...@aecom.com> > > AECOM > 11832 Rock Landing Drive Suite, 306, Newport News, Virginia 23606 > www.aecom.com > > > > This e-mail and any attachments contain AECOM confidential information that > may be proprietary or privileged. If you receive this message in error or are > not the intended recipient, you should not retain, distribute, disclose or > use any of this information and you should destroy the e-mail and any > attachments or copies. > > _______________________________________________ > Sprinklerforum mailing list > Sprinklerforum@lists.firesprinkler.org > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkl > er.org > _______________________________________________ Sprinklerforum mailing list Sprinklerforum@lists.firesprinkler.org http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org _______________________________________________ Sprinklerforum mailing list Sprinklerforum@lists.firesprinkler.org http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
