That makes sense. I was grabbing for straws. Customer missed it because of steel framing. Didn't catch plywood sheathing. I was hoping to be able to help cut down sprinkler count.
Travis Mack, SET MFP Design, LLC "Follow" us on Facebook: https://www.facebook.com/pages/MFP-Design-LLC/92218417692 Send large files to MFP Design via: https://www.hightail.com/u/MFPDesign Sent from my iPhone > On May 6, 2015, at 10:25 AM, Eric V. Tysinger <[email protected]> wrote: > > I would think that the spacing of the members is addressed as potential > obstructions. Less than 3' means there are more members between each > sprinkler, so the maximum spacing is reduced to lessen the number of > obstructions. I don't think the combustibility of the members plays a part. > The table only cares if it is non-combustible or combustible construction, > obstructed or unobstructed, and the spacing of the members. > > > > Eric V. Tysinger > Designer > Wiginton Fire Systems - Miami, FL > Email: [email protected] > Main: 305-888-2402p3416 > Direct: 305-830-0490 > Fax: 305-888-3804 > Mobile: 239-633-9703 > > > > Confidentiality Notice: > This e-mail message, including any attachments, is for the sole use of the > intended recipients and may contain confidential and privileged information. > Any unauthorized review, use, disclosure or distribution is prohibited. If > you are not the intended recipient, please contact the sender by reply e-mail > and destroy all copies of the original message. > -----Original Message----- > From: Sprinklerforum [mailto:[email protected]] > On Behalf Of Travis Mack > Sent: Wednesday, May 06, 2015 1:17 PM > To: [email protected] > Subject: Re: Attic > > That was my question. Does the non combustible framing members modify that, > or allow for any changes? I am aware of using that for combustible members. > > Travis Mack, SET > MFP Design, LLC > "Follow" us on Facebook: > https://www.facebook.com/pages/MFP-Design-LLC/92218417692 > Send large files to MFP Design via: > https://www.hightail.com/u/MFPDesign > > Sent from my iPhone > >> On May 6, 2015, at 10:06 AM, Eric V. Tysinger <[email protected]> wrote: >> >> Wouldn't table 8.6.2.2.1(a) indicate 130sqft max? >> >> Combustible, Unobstructed, with exposed members less than 3'-0 on center. >> >> >> >> >> Eric V. Tysinger >> Designer >> Wiginton Fire Systems - Miami, FL >> Email: [email protected] >> Main: 305-888-2402p3416 >> Direct: 305-830-0490 >> Fax: 305-888-3804 >> Mobile: 239-633-9703 >> >> >> >> Confidentiality Notice: >> This e-mail message, including any attachments, is for the sole use of the >> intended recipients and may contain confidential and privileged information. >> Any unauthorized review, use, disclosure or distribution is prohibited. If >> you are not the intended recipient, please contact the sender by reply >> e-mail and destroy all copies of the original message. >> -----Original Message----- >> From: Sprinklerforum >> [mailto:[email protected]] On Behalf Of >> Travis Mack >> Sent: Wednesday, May 06, 2015 12:43 PM >> To: [email protected] >> Subject: Re: Attic >> >> It is not fire treated. I already tried that route. I feel like 225 would be >> acceptable. Which also begs the question, would ex cov be acceptable? It is >> unobstructed construction. I believe the ex cov sprinklers are allowed for >> unobstructed combustible. >> >> Just a rare situation. >> >> Travis Mack, SET >> MFP Design, LLC >> "Follow" us on Facebook: >> https://www.facebook.com/pages/MFP-Design-LLC/92218417692 >> Send large files to MFP Design via: >> https://www.hightail.com/u/MFPDesign >> >> Sent from my iPhone >> >>> On May 6, 2015, at 9:21 AM, Todd - Work <[email protected]> wrote: >>> >>> Good question. I think you could go to 225, but the Book doesn't >>> address it. I assume the plywood is not fire treated? Most of the >>> times I see this arrangement, the plywood is treated. >>> >>> Todd G Williams, PE >>> Fire Protection Design/Consulting >>> Stonington, CT >>> www.fpdc.com >>> 860-535-2080 (ofc) >>> 860-608-4559 (cell) >>> Sent using CloudMagic >>> [https://cloudmagic.com/k/d/mailapp?ct=ti&cv=6.0.64&pv=8.2] >>> On Wed, May 6, 2015 at 12:04 PM, >>> [email protected] >>> <[email protected]> wrote: >>> For an attic with light gauge steel trusses spaced 24" on center and >>> plywood deck sheathing, would the spacing be limited to 130 sq ft or >>> would 225 be acceptable? Slope is 3:12. >>> >>> Travis Mack, SET >>> MFP Design, LLC >>> "Follow" us on Facebook: >>> https://www.facebook.com/pages/MFP-Design-LLC/92218417692 >>> Send large files to MFP Design via: >>> https://www.hightail.com/u/MFPDesign >>> >>> Sent from my iPhone >>> _______________________________________________ >>> Sprinklerforum mailing list >>> [email protected] >>> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprink >>> l er.org _______________________________________________ >>> Sprinklerforum mailing list >>> [email protected] >>> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprink >>> l >>> er.org >> _______________________________________________ >> Sprinklerforum mailing list >> [email protected] >> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkl >> er.org _______________________________________________ >> Sprinklerforum mailing list >> [email protected] >> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkl >> er.org > _______________________________________________ > 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 _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
