Engineering Center

There are existing cables running through a newly 2 hour rated wall. The issue is that they are installed on an angle so they go in/out approximately 2 feet apart in a 45 degree angle. See purple bundle in attached photo

Need some help on a project we have in San Jose . One layer of drywall has been added over the TJIs but does not meet a 1 hour rating . As you can see by the pictures for us to add another layer of drywall is close to impossible . Were looking for Hiltis help here for maybe a spray we can do over this ceiling to complete a 1 h...

Do you have a detail for repairing a 1 hour gyp wall. The repair can only be performed from one side.

Do you have a design for repair of a 12 cmu 2 hour rated?

I have a project that has a 6, Schedule 40 PVC Conduit that is used for routing poly beverage lines. Looking for an appropriate firestopping detail for this system that is penetrating a 2-hour fire rated concrete slab.

I'm trying to select a type of anchor that is not available at the country I'm doing the calculations at, but it is at other country but it doesn't have the code I require, how can create new anchors to overcome this problem?

1/1/2025 is the valid date for my design. Can this cause issue with the plan checker

I need ot complete a Fire Stopping inspection, is there a inspection check list, or inspection sheet to use or download?

I need to build a shaft wall to keep a 1 hr rating. However I have kickers that are in the path.

Hello, I am trying to work with Hilti diaphragm design. Please see attached for my question. Also, is there anyway to get more detail; results in report? Fastener capacity? Thank you, Arash