Engineering Center

I’m working with an L563 assembly and need to penetrate the membrane (Drywall portion only) with a copper line set is a detail available for that?

When analyzing an anchor bolt group in Profis, regardless of the anchor bolt pattern and edge distance spacing, Profis seems to apply all of the shear to the front bolts. This seems overly conservative and is not per ACI 318. For example, with a current analysis, (2 bolts, shear parallel to bolt spacing) the bolt spacing is ...

I'm utilizing 7/8 Ø all threaded rod with HIT-HY 200 adhesive (16'' of embedment) to take tension at the top of a concrete wall that's 1' - 2 wide. With concrete breakout in tension being the controlling factor in my design, I decided to neglect concrete breakout and utilize the #6 vertical rebars @ 6in O.C. that I know is in ...

what is the required application of firestop around the 4 inch conduit? the conduit is going thru the cmu wall, what is the minimum distance around the conduit?

can you please provide a head of wall UL detail for a 1-hour, head of wall, metal framed wall to roof (metal deck, polyiso insulation)

Can mechanical anchors (e.g., Kwik Bolts) be installed in water saturated concrete? I will be anchoring a plate in a concrete tank that has been just drained. I will not have much time before the tank will need to be refilled.

We have a 28 thick solid concrete floor slab with 6 core that is to receive cable bundle for new CT scanner, OSHPD 1 project. We must provide 2-hour fire and 2-hour temp rating.

I want to install some 2” diameter thru bolts in a concrete wall. I want to fill the holes with epoxy to seal the holes. What diameter hole should I core in the wall to accomplish this so that the epoxy can be installed around the bolt?

Hello, I am trying to understand if I am allowed to drill&epoxy post-installed dowels with HY270 into the top of an existing brick wall (2 wythes thick) for a new reinforced brick parapet above. Table 15 (note 2) from the Hilti HY270 Technical guide specifies a minimum wall thickness of 13 in. What alternative solutions may I ...

Hello, Can someone please send me a pdf of this ACI section: ACI 318-14 section 17.7.2. It is referenced on the Hilti website. I am trying to determine the proper edge distance for a 3/4in anchor. Pre-cast concrete. The application is for a concrete rail tie. See attached. Thanks, Joe