NFPA 13 12.3 - elevation change of at least 2'-0 and above an aisle with a minimum of 2'-0 of clearance to each side of the center of the aisle.
Thanks Brett Peters General Manager Installation & Design Proudline Fire Protection Services Ltd. [email protected] 780 490 7602 office ext 202 780 490 7605 fax 780 777 0568 cell 780 718 2676 24h Visit us at www.proudline.ca Proudline now offers ULc listed monitoring services, please contact [email protected] for more information On Tue, Aug 9, 2022 at 11:12 AM <[email protected]> wrote: > We have a building where there is a roof height that changes elevation by > 10’-0”. > > The higher roof will have ESFR protection. The lower roof will be ordinary > hazard. > > I would like to utilize extended coverage sprinkler heads at the lower > roof on a spacing of 20’-0” x 20’-0” > > This spacing voids the QR rating of the extended coverage sprinkler. > > I thought that there was something in the code that I cannot find where it > talks of change in roof height. > > So my question is would the change in roof height serve at a draft curtain > between the 2 systems. > > > > Bruce Hermanson > > President TSFP Holdings Inc. > > (734) 454-1350 > > > > _________________________________________________________ > SprinklerForum mailing list: > https://lists.firesprinkler.org/list/sprinklerforum.lists.firesprinkler.org > To unsubscribe send an email to > [email protected]
_________________________________________________________ SprinklerForum mailing list: https://lists.firesprinkler.org/list/sprinklerforum.lists.firesprinkler.org To unsubscribe send an email to [email protected]
