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 looks …

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) of the material …

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 below …

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. (6.4 mm) or …

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 to the deck …

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, 1-hour rated …

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 than 4" thick. …

Jan 8, 2003 · Maybe a future enhancement with a grid snap on a surface like some free form CAD systems have. Anyway I found a good method for exporting the display grid. There is an option to …

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 and upward …

Feb 5, 2002 · I can't remember the variable that controls the opening and keeping drawing file settings for osnap, ie what do I do to keep the osnap on, grid on, etc when I open a drawing so the settings of …