[Dsg-rich] Questions and confirmations regarding RICH assembly anchoring

[Tyler Lemon]

Hello Marco Mirazita, 

In regards to upcoming tasks for RICH assembly, we have the following questions: 

1. In October 2016 (email below in blue), Sandro noted that the assembly structure would need 3/4 inch Hilti bolt anchors. Have the Hilti bolts been included in the crates that arrived at JLab in January? 

2. Could you confirm that 3/4 inch diameter bolts will be used to anchor the assembly structure? 

3. Could the drilling to anchor the assembly structure occur prior to INFN collaborator arrival at JLab? DSG could assemble the drilling template and arrange the anchor holes drilling for the week of February 27 as the blind drilling permit is valid starting February 27, 2017. 

4. In October 2016, a CAD model containing the EEL124 layout for RICH assembly was shared with the DSG. Attached is a top view of the model with dimensions measured in inches. Could you confirm that this is the correct layout for RICH assembly? 


Best regards, 
Tyler 

From: "Tomassini Sandro" <sandro.tomassini at lnf.infn.it> 
To: "dsg-rich" <dsg-rich at jlab.org> 
Sent: Wednesday, October 26, 2016 9:09:44 AM 
Subject: Re: [Dsg-rich] anchoring of RICH structure 

Dear George, 

according to our calculation we need 3/4" , https://www.us.hilti.com/anchor-systems/flush-anchors/336429 . 

Best regards 
Sandro 

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