Aug 15, 2012 · I was unable to find an NFPA definition of open-grid ceiling, do any of you know if this exists? To me a grid implies lines running in both directions. Typically an open-grid ceiling …

May 19, 2014 · The annex of NFPA 13 2007 defines Open-Grid Ceilings in A.3.7.2 (2): "The term open-grid ceilings as used in this standard refers to ceilings in which the openings are 1 ⁄ 4 in. …

Jun 5, 2021 · Section 8.15.14. (1) said " Open-grid ceilings in which the openings are 1/4" or larger in the least dimension, where the thickness (1/2" in my case) OR depth (66" in my case) …

Oct 3, 2004 · Out of control architect: An open office space with partial suspended ceiling (or very large ceiling clouds). One space has a suspended ceiling for about 80% with three areas open …

Nov 22, 2011 · Remove the pad and you might be into an open grid ceiling but it needs to be in accordance with 8.15.13 (2010). As described, I believe sprinklers will be required above and …

Apr 21, 2016 · Hello, I have a question relating to fire sprinkler systems above a wood slat ceiling where the space above is a open plenum return. The space is about 5,500 SF and in a type 5, …

Apr 9, 2009 · Can someone attach a photograph or diagram of an example of a Steel Grid Floor that is discussed in AASHTO? The spec refers to steel grid floors less than 4" and greater …

Apr 9, 2007 · Every time I open AutoCadd ADT 2007 I have the Snap and Grid turned on. I turn it off and exit, thinking this setting will be "saved" but each time they are back on when I re-start …

Jun 18, 2009 · I modeled the braced open grid flooring with nominal horizontal crossed bracing across the bays. Then vertically I have downward pointing V bracing from the top level down …

May 23, 2011 · Now if the grid fails but the delta:wye transformer remains connected to the generators, the transformer will stabilize the neutral and avoid the damage that may result …