[Lerftest] LERF Gallery Raised Floor

Neil Wilson wilsonn at jlab.org
Tue Jan 30 12:50:17 EST 2018

Hi Joe, This is great, I am getting material in. I have a couple of suggestions to simplify the installation and would like to discuss tomorrow if we can. Also we can work for this sketch if you want. You have give us the pertinent information. 

From: "Joseph Gubeli" <gubeli at jlab.org> 
To: lerftest at jlab.org 
Sent: Tuesday, January 30, 2018 11:05:20 AM 
Subject: [Lerftest] LERF Gallery Raised Floor 

The images below are, in general, what I imaging the raised floor will look like behind the SSAs. The grating is 1” x 3/16” (18” x ~34”) aluminum with a safe load of 632 lbs per square foot for a 24” span, our unsupported span is 15”. The channel is 6061 aluminum 4” x 1.58” x 0.18” anchored to the floor with ¼-20 bolts spaced 18” apart. The “L” brackets will keep the grating from sliding much. More of this raised floor could be added to extend to penetrations. Let me know if there are a questions or comments. 

Thanks, Joe 

Joseph F. Gubeli 

Jefferson Lab. 

12000 Jefferson Ave. 

Newport News, VA 23606 

(757) 269-7862 (Office) 

(757) 344-4159 (Cell) 

gubeli at jlab.org 

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