Engineering Center

NFPA 13 (2022) 16.2.5.4 states that the use of caulking or glue to seal the penetration or to affix the components of a recessed escutcheon or concealed cover plate shall not be permitted. Are recessed or concealed sprinklers provided with escutcheons exempted from being firestopped for a through penetration of a 1-hour fire ...

I am seeking advice on whether stainless steel or galvanized anchor bolts must be used for an underground tunnel project. Could you please provide a recommendation and, if possible, references to support your advice?

I have too many files in my drafts folder and too many projects. I would like to be able to delete some of them but there does not appear to be a way to do that. Can they be deleted.

When I try to open PROFIS Engineering, I get the following error message. This XML file does not appear to have any style information associated with it. The document tree is shown below. RequestHeaderSectionTooLarge Your request header section exceeds the maximum allowed size. 8192 4Z95MSY5TVCG21HQ L9+ubDqboVcxbjAcLZLIsYTn2K...

Refer to HCAI OPM-0537-19, page 2 of 31 and page 3 of 31 for the previous design. The previous design is for (2) 1/2 diameter Hilti KB-TZ anchors at 3.33 spacing (compliance with ESR-1917 reissued Jan 2020), today Hilti Profis requires (2) 1/2 diameter Kwik BoltTZ2 to have 3.5 spacing. The effective embedment is 2 and the sla...

We need an EJ, because we had to install CAJ-7111 from below, because the contractor blocked all access from above. Project is Somm Hotel & Spa, Woodinville, WA.

I need to penetrate a 2-hour floor assembly: UL Design N782, probably. The penetrations are rectangular steel electrical duct raceways of these sizes: 3.5x10, 3.5x6 Is there a system for this type of penetration through a floor?

Hello, I'm working on an historic tax credit renovation of a 2-story Type IIIA building with a second floor event space. The roof consists of long span steel trusses and the roof decking is concrete. The structural frame and roof are required to be 1-hour rated by IBC and the ceiling is required to be a hard ceiling per histo...

After recent updates, I can no longer edit the names of calculations that I create in Profis. Also, only people that make a calc or folder can move it or archive it. This is an issue at a company level because we can't effectively manage our company calculations. We would at least want to be able to designate admin users that ...

How do I enter the specifier's information in the report header?