Best Way to Hang Pipe at Precast Concrete Tees?

4/6/2020

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?

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8 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"

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

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.

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

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..

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

Aussie Concreters of Burwood link

1/25/2022 03:05:13 pm

A precast building system can incorporate both beams and columns as the primary structural gravity support. teestmb. Double Tees. Thank you for sharing your great post!

Stencil Concrete link

1/28/2022 12:32:05 pm

Precast concrete offers many advantages, including a reduction of the construction period, cost efficiency, high-quality control, fast and accurate erection of members, and environmental protection.

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Best Way to Hang Pipe at Precast Concrete Tees?

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