Laid uni strut on top of freezer to distribute the load then rod through the 
freezer. Had to seal each penetration of the rod. Nut and washer on the rod.

Strut was then tired into structure on either side of the unit

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On Sep 18, 2016 3:03 PM, Bruce Verhei <> wrote:
What is the structure of the freezer? Are the racks integral to that structure, 
or free standing? Could you support system from racks?


Bruce Verhei

Go 'Hawks

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On Sep 18, 2016, at 10:13, rongreenman . 
<<>> wrote:

For once we have s post where a double interlock pre action is actually the 
proper system and our fellow forumite wants to use a single interlock. If you 
use a SIPA you'll have ice in your pipes before a head fuses. A DIPA WONT FLIW 
Wter into the piping until sprinklers are fused.

On Sunday, September 18, 2016, 321 
<<>> wrote:e
I have a very large Freezer/Cooler project that I am managing. My initial idea 
on this job has been to use a Wet Pipe System above the Freezer with ESFR Dry 
Pendents (Class IV in rack to 20'). Due to the exorbitant cost of the ESFR Dry 
Pendents I'm letting my thinking expand to possibly running Single Interlock 
Pre Action inside the Freezer ...since the Freezers are already up (yeah...I 
know !!).

The ceiling panels are 6" thick and I was wondering if any of you guys in your 
history have ever hung Fire Sprinkler Pipe inside a Freezer attaching to/thru 
the panels and how?

Thanks in advance

Atlantic Realty and Building, LLC
Palm Beach Gardens, Fl

John W. Farabee
V.P. Fire Sprinkler Division

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