No draft stops yet. This is an afterthought. However, the 18" dimension might end up below the minimum ceiling height required by Code.
At 10:21 AM 6/29/2011, you wrote: >Is a draft stop present, 2007 NFPA-13 8.15.4 ? > >John Drucker Jr CET >Fire Protection Subcode Official >Fire/Building/Electrical Inspector >Borough of Red Bank, NJ > >-----Original Message----- >From: [email protected] >[mailto:[email protected]] On Behalf Of Todd >Williams >Sent: Tuesday, June 28, 2011 5:41 PM >To: [email protected] >Subject: water curtain and QR reduction > >I am working on a project where we have and open space with ceilings of >various heights up to 9 ft. In one part of the building we have an open >stair to the floor above. (the upper floor is going to be sprinklered in >the next phase. this is an existing college library.) The Fire Marshal >has asked for a water curtain around the stairway. Does the presence of >this stairway negate the application of the QR reductions? If so, would >a water curtain alter that? How far from the opening would the design >area need to be to allow the reduction? > >Todd G. Williams, PE >Fire Protection Design/Consulting >Stonington, CT >860.535.2080 >www.fpdc.com > >_______________________________________________ >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) > > >CONFIDENTIAL AND PROPRIETARY: >This email message is intended only for the use of the individual or entity to >which it is addressed and may contain information that is privileged and >confidential, nor is it, unless specifically stated, intended to be relied >upon by any person or persons other than the individual or entity named above >and no warranties or representations are made or intended to persons or >entities not named above. If the reader is not the intended recipient, you >are hereby notified that any dissemination, distribution or copying of this >communication is strictly prohibited. If you have received this communication >in error, please notify us immediately by telephone, return this message to >the address above and delete all copies. Thank you. > >_______________________________________________ >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) Todd G. Williams, PE Fire Protection Design/Consulting Stonington, CT 860.535.2080 www.fpdc.com _______________________________________________ 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)
