Hello Steve, The AHJ around here allowed a residential sprinkler to be installed 6" off the wall centered over the window along with the head in the room to cover that situation here on an apartment project.
Thursday, July 15, 2010, 3:12:11 PM, you wrote: > Scenario: 3-story Light Hazard (Residential) occupancy, > fully sprinklered per 13. > Situation: Exterior exit stairs are too close to glazed > openings in exterior walls and 45-minute window protection is required > (from inside out) for several 2'x3' fixed windows on all three floors. > Challenge: Can't use window sprinklers because exterior walls > are bearing. Am proposing to use water curtain provisions of the > building code, and furnish 3 GPM per lineal foot per 13. > > Question: Since the windows are only 2' wide, and there are > up to 3 windows in a cluster, we will have sprinklers at 4' apart in > several areas and will be provided a baffle of some sort. I can > easily hit my minimum flow rate with small orifice sprinklers and do not > see any restriction in 13 regarding orifice size in a water curtain. > Since it's all Light Hazard, can anyone think of a reason why we can't > use 4.2K pendents? > > Steve Leyton > PROTECTION DESIGN & CONSULTING > 2851 Camino del Rio South, Suite 400 > San Diego, CA 92108 > ------------------------------------------------------------- > Ph: 858.751.2930 - ext. 102 > Fax: 858.751.2933 > Cell: 619.972.5696 > > > > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > For Technical Assistance, send an email to: [email protected] > To Unsubscribe, send an email to:[email protected] > (Put the word unsubscribe in the subject field) -- Best regards, Charles Thurston mailto:[email protected] Coastal Fire Protection/ Myrtle Beach Fire & Safety Group. AFAA Guest Electronic Privacy Notice: This e-mail, and any attachments, contains information that is, or may be, covered by electronic communications privacy laws, and is also confidential and proprietary in nature. If you are not the intended recipient, please be advised that you are legally prohibited from retaining, using, copying, distributing, or otherwise disclosing this information in any manner. Instead, please reply to the sender that you have received this communication in error, and then immediately delete it. Thank you in advance for your cooperation _______________________________________________ Sprinklerforum mailing list [email protected] http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum For Technical Assistance, send an email to: [email protected] To Unsubscribe, send an email to:[email protected] (Put the word unsubscribe in the subject field)
