Engineering Center

My QC said for the above steel anchor the ESR has been archived. Where is archive and how to look up? Please send the esr which shows torque for install of 22 ft lb.

I am in need of a head of wall detail for a non bearing 1 hr rated 4 solid cmu wall terminating at a 1 hr rated gypsum board ceiling over wood trusses. The cmu wall will be furred out with drywall but I don't want it to be included in the rated assembly

Designing a shear embed plate, file attached. With an edge distance of 5, pryout is okay. When I increase the distance to 12, I get a pryout failure. This is counterintuitive. Why is this happening?

I am working on San Francisco International Terminal 3 landside facade rebuilding. There are existing seismic joints along the perimeter of new facade. The joints jog around the existing steel columns that need to be protected. We are proposing FB-22 (by Construction Specialties) fire barrier at 3 1/2 seismic joint between ...

For threaded rods embedded into concrete with epoxy HIT HY 200 the minimum spacing recommended for 1 1/4” diameter and 25” embedment is 6.25”. The equipment we are installing has 4” spacing for some of the bolts. Can we still use these bolts, under tension load?

I am looking for information related to pullover data for screws attaching gypsum board to CFS studs. Does this information exist?

I took the quiz for AC201 but the web page closed before I submitted it and now I cannot get back into the quiz. Can you help.

Existing cast in place anchor rod must be cut flush with top of footer to allow new column installation. The new column will have a different anchor rod pattern for drilled in place anchors.

How long is the Firestop: A Life Safety Issue (FS101) session?

Which expansion anchor replaces the Kwik Bolt II or is comparable?