Engineering Center

2 shaftliner nonbearing wall 2HR with 4 metallic penetrating item.

I am being asked to firestop bare plastic, copper with fiber glass insulated pipe, and bare metal pipe, using firestop device CP 680 P through a 4 1/2” concrete floor over metal decking and to hold a T rating of 2 hrs. Are there any 2 hr T rating Hilti systems that involve just the cp 680 P CID sleeves? Or will I need to have ...

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i like to know where are your .rfa (revit family) files and how they work, do you have library or something i can take a look at it? thank you.

Hello , We have a parking structure located at :1090 E Desert Inn Rd Las Vegas Nv and the parking structure slab has cracks and we would like to get repair drawings and calculations for it, please let me know if this is something you can help. We have the full as built drawings per attached for your reference. The scope of ...

Looking for some guidance on penetrations through a rated steel column. the 5x5 tube steel column is exposed with a 2HR intumescent coating, and conduit is being proposed to route through it - the opening would be approximately 1 1/2 in diameter. Not sure if a firestopping system like WL8093c would work in this condition or if...

Project: Pittsburgh International Airport Client: Halpert Life Safety Consulting We need a letter related to this project stating that there are no issues with the cohesion of the noted materials when there is stop and start, destructive sampling or other reasons that fresh material would need to be applied to cured material. ...

Why can I not change the CMU block size or fastener embedment depth in the Profis software

We plan to use system HW-D-1069 for the joint of 1hr rated CMU firewall and non-rated metal roof deck. The firewall stops blow the roof deck. There are (2) nonrated beams along this wall which block access for firestop material at top of the wall. Here are our questions, 1- What is the minimum gap between wall and beam to ens...