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Best Way to Hang Pipe at Precast Concrete Tees?

4/6/2020

6 Comments

 
What do you all think is the most efficient way to hang branchlines running perpendicular just below pre-cast concrete tees? Concrete Sammys, HDIP inserts, maybe other ideas?

​​​​​​​​​​​​​Posted anonymously for discussion. Discuss This | Submit Your Question | Subscribe
6 Comments
Paul
4/6/2020 10:15:13 am

It's situational.
If the room is exposed to structure, it may look nicer to run along with the tees and have pendents placed just below the tees. Aesthetics is an important factor to the architect, (if the architect is nit picky and demands you redo the layout, then that's a waste of time)

Or if there is a drop ceiling that is too close to the tees for piping below the tees to even be an option.

If there is space below the tees, and aesthetics isn't important (not exposed, storage area/ not public, etc) then usually I would go perpendicular for ease. hilti kwik hus hangers for pipes 4" or less, powers fasteners for cross mains larger than 4"

Reply
Derek C.
4/6/2020 10:18:00 am

In the past I have used what we call a "Mickey Mouse" hanger.

https://www.erico.com/category.asp?category=R1241

Reply
RyanO
4/6/2020 10:26:08 am

I prefer concrete insert drilled on the vertical face of the tee. We use a beveled washer and an L-shaped angle bracket. The washer helps make the rod plumb. Just make sure you are following the concrete tee manufacturer requirements.

Reply
ken thackery
4/6/2020 11:12:29 am

Is it new construction or existing? The Dewalt line is listed for cracked concrete and they bought Powers. If it's new construction the Dewalt wood knocker ll+ has a better seismic rating unless ISAT will do your seismic calcs. Snake plus, mini undercut plus

Reply
Mike
4/6/2020 11:56:35 am

HDIP TZ looks like the best option if you are in seismic zones because it's approved by LA Dept. of Building and Safety..

Reply
Marina A.
4/6/2020 02:40:22 pm

We use ADHESIVE ANCHOR HIT-HY 200 SYSTEM https://www.hilti.ca/content/hilti/W1/CA/en/services/fasteners-firestop-strut/concrete-anchors/hy200-system.html
with hte all-threaded rod and the threaded side beam bracket Tolco 58

Reply



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