Parapet Deck

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Author Message Jerome J. Lazar, RA, CCS, CSI, SCIP Senior Member Username: lazarcitec Post Number: 1662 Registered: 05-2003 Posted on Wednesday, July 20, 2016 - 09:48 am:    Has anyone heard of the term "Parapet Deck"? The structural PE on a project is referring to corrugated metal "decking" being applied to cold formed metal framed parapet as "parapet deck". ken hercenberg Senior Member Username: khercenberg Post Number: 998 Registered: 12-2006 Posted on Wednesday, July 20, 2016 - 11:03 am:    So it's a vertical or diagonal application? To answer your question, no. My guess is that he doesn't want to take the time to modify his spec master so that it makes sense based on the application. Jerome J. Lazar, RA, CCS, CSI, SCIP Senior Member Username: lazarcitec Post Number: 1663 Registered: 05-2003 Posted on Wednesday, July 20, 2016 - 11:41 am:    Ken, the galv metal deck is being applied to a parapet wall, corrugations will probably be run horizontally, though PE has not made a decision on it, the top of the parapet wall will be 14 ft above roof slab on the 13th floor. Jerome J. Lazar, RA, CCS, CSI, SCIP Senior Member Username: lazarcitec Post Number: 1664 Registered: 05-2003 Posted on Wednesday, July 20, 2016 - 11:41 am:    How are you feeling Ken? Anonymous (Unregistered Guest) Unregistered guest Posted on Wednesday, July 20, 2016 - 11:49 am:    Metal deck being applied to a parapet wall ... why not just specify a formed metal wall panel? Then you could get a nice coil-coated finish on it and everything. I've seen project teams say they want to use metal decking as a roof before (canopies, for example), but never as cladding. Makes me wonder if teams know there are products made for these exact purposes, or if they are just trying to reinvent the wheel. ken hercenberg Senior Member Username: khercenberg Post Number: 999 Registered: 12-2006 Posted on Wednesday, July 20, 2016 - 12:33 pm:    Doing better thanks. Finally back at work this week. Hard transition after 5 months! We do this all the time to handle heights and wind loads like you're talking about. Tends to be economical but we do insulate and cover. Is your architect leaving it exposed? If so something like Centria Magnarib may be a good option. Hope all is well with you and yours my friend. Jerome J. Lazar, RA, CCS, CSI, SCIP Senior Member Username: lazarcitec Post Number: 1665 Registered: 05-2003 Posted on Wednesday, July 20, 2016 - 12:34 pm:    Anon, the metal deck is not going to be exposed, it will be clad with stucco; I have no idea why they are using metal deck in this application. I will tell you that corrugated meal deck has been used in So Fl as cladding in the past. Jerome J. Lazar, RA, CCS, CSI, SCIP Senior Member Username: lazarcitec Post Number: 1666 Registered: 05-2003 Posted on Wednesday, July 20, 2016 - 12:41 pm:    Good to hear you are back at work Ken, believe it or not my daughter is still in the hospital, going on 82 days, expected release in 9 days, if the hospital doesn't screw up again, and they are trying. Today's dilemma was the attending doctor cancelling her anxiety meds, turned out to be a misunderstanding after I contacted the Hospital CEO and the ahole attending doc....ooops, worst hospital ever. John Bunzick, CCS, CCCA, LEED AP Senior Member Username: bunzick Post Number: 1680 Registered: 03-2002 Posted on Wednesday, July 20, 2016 - 02:33 pm:    If stucco is to be applied, there will need to be a suitable substrate applied, such as plywood. Why not make the plywood structural and eliminate the deck? (I realize you're not really asking for design advice. But you know us: you're going to get it anyway!) ken hercenberg Senior Member Username: khercenberg Post Number: 1000 Registered: 12-2006 Posted on Wednesday, July 20, 2016 - 02:40 pm:    For a 14 foot high wall I'd err on the side of the structural engineer and go with the metal deck. Of course I wouldn't call it a parapet deck (decks to me are horizontal) but a rose by any other name. We had to bring in the hospital administrator to intercede when my primary physician suggested I see a shrink. Turned out to be cancer. Go figure. You and your daughter are in my prayers brother. Wish I could do something to help. John Bunzick, CCS, CCCA, LEED AP Senior Member Username: bunzick Post Number: 1681 Registered: 03-2002 Posted on Wednesday, July 20, 2016 - 04:42 pm:    Ken, I meant that the structural engineer would determine how to use plywood sheathing; grade, thickness, fastening, etc. I would not presume to make that determination unless told that the sheathing was non-structural. Mark Gilligan SE, Senior Member Username: mark_gilligan Post Number: 793 Registered: 10-2007 Posted on Thursday, July 21, 2016 - 12:55 am:    As long as it is clear what is wanted it does not really matter much what you call it. Still it is better if the terminology is familiar to the trades doing the work.