<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto">HI Jerry,<div>Let’s meet after the 8:00 meeting on Monday, we can go to the gallery and talk through the best path forward.</div><div>Kevin<br><br><div id="AppleMailSignature">Sent from my iPad</div><div><br>On Oct 13, 2017, at 11:40 AM, Joseph Gubeli <<a href="mailto:gubeli@jlab.org">gubeli@jlab.org</a>> wrote:<br><br></div><blockquote type="cite"><div><span>Hi Jerry,</span><br><span></span><br><span></span><br><span></span><br><span>Safety did an assessment and said that 18” is OK. This will leave 50” in the </span><br><span>aisle, they wanted a minimum of 48”. The SSA doors are easily removable with </span><br><span>an 18” gap. Kevin can talk about the other questions you have.</span><br><span></span><br><span></span><br><span></span><br><span>Cheers, Joe</span><br><span></span><br><span></span><br><span></span><br><span>From: Lerftest [<a href="mailto:lerftest-bounces@jlab.org">mailto:lerftest-bounces@jlab.org</a>] On Behalf Of Jaroslaw </span><br><span>Kowal</span><br><span>Sent: Friday, October 13, 2017 11:21 AM</span><br><span>To: Kevin Jordan <<a href="mailto:jordan@jlab.org">jordan@jlab.org</a>></span><br><span>Cc: LCLS II @ LERF <<a href="mailto:lerftest@jlab.org">lerftest@jlab.org</a>></span><br><span>Subject: Re: [Lerftest] Waveguide review slides posted</span><br><span></span><br><span></span><br><span></span><br><span>Kevin,</span><br><span></span><br><span></span><br><span></span><br><span>I think by code you have to have 3 ft spacing.</span><br><span></span><br><span>Also with 18" spacing behind some of the SSAs you will not be able to open </span><br><span>the back door of SSA cabinet if access is need. These cabinets are 30" wide. </span><br><span>Is that a concern?</span><br><span></span><br><span></span><br><span></span><br><span>What I could do as an option is to install RF Interface chassis and </span><br><span>contactors in the rack.This would eliminate the need for the access to the </span><br><span>old racks.</span><br><span></span><br><span>In this case I'd need a floor space for additional rack.</span><br><span></span><br><span></span><br><span></span><br><span>A separate issue is power connections from PSS to SSAs.</span><br><span></span><br><span>What is the planned location of the PSS panel (assuming we'll go with this </span><br><span>solution)?</span><br><span></span><br><span>What are the planned cable paths?</span><br><span></span><br><span>Are you planning for cable trays etc.?</span><br><span></span><br><span></span><br><span></span><br><span>We might be more effective discussing these issues in person. Please set up </span><br><span>a meeting with interested parties if you think it's going to be </span><br><span>better/faster way.</span><br><span></span><br><span></span><br><span></span><br><span>Thank you,</span><br><span></span><br><span>Jerry</span><br><span></span><br><span></span><br><span></span><br><span> _____</span><br><span></span><br><span>From: "Kevin Jordan" <<a href="mailto:jordan@jlab.org">jordan@jlab.org</a> <<a href="mailto:jordan@jlab.org">mailto:jordan@jlab.org</a>> ></span><br><span>To: "Jaroslaw Kowal" <<a href="mailto:jkowal@jlab.org">jkowal@jlab.org</a> <<a href="mailto:jkowal@jlab.org">mailto:jkowal@jlab.org</a>> ></span><br><span>Cc: "LCLS II @ LERF" <<a href="mailto:lerftest@jlab.org">lerftest@jlab.org</a> <<a href="mailto:lerftest@jlab.org">mailto:lerftest@jlab.org</a>> ></span><br><span>Sent: Wednesday, October 11, 2017 5:22:29 PM</span><br><span>Subject: Re: [Lerftest] Waveguide review slides posted</span><br><span></span><br><span></span><br><span></span><br><span>Jerry,</span><br><span></span><br><span>Yes the tape is within an inch of final location, it looks to be 32”from the </span><br><span>rack to the SSA, is that enough?</span><br><span></span><br><span></span><br><span></span><br><span>Thanks</span><br><span></span><br><span>Kevin</span><br><span></span><br><span></span><br><span></span><br><span></span><br><span></span><br><span></span><br><span></span><br><span>Sent from my iPad</span><br><span></span><br><span></span><br><span>On Oct 11, 2017, at 5:11 PM, Jaroslaw Kowal <<a href="mailto:jkowal@jlab.org">jkowal@jlab.org</a> </span><br><span><<a href="mailto:jkowal@jlab.org">mailto:jkowal@jlab.org</a>> > wrote:</span><br><span></span><br><span>Kevin,</span><br><span></span><br><span></span><br><span></span><br><span>I'd like to raise concern regarding the spacing behind the SSAs.</span><br><span></span><br><span>The first rack to the left of HPA houses PSS RF Interface chassis and cross </span><br><span>connects. Access to the front of this rack is required for PSS Certification </span><br><span>and in case of maintenance.</span><br><span></span><br><span>We'll have to check if there will be enough space to perform these duties.</span><br><span></span><br><span>Could someone estimate the spacing from the back of the SSA to this rack? </span><br><span>Can I depend on floor marking for this measurement?</span><br><span></span><br><span></span><br><span></span><br><span>Thank you,</span><br><span></span><br><span>Jerry</span><br><span></span><br><span></span><br><span></span><br><span></span><br><span> _____</span><br><span></span><br><span></span><br><span>From: "Kevin Jordan" <<a href="mailto:jordan@jlab.org">jordan@jlab.org</a> <<a href="mailto:jordan@jlab.org">mailto:jordan@jlab.org</a>> ></span><br><span>To: "LCLS II @ LERF" <<a href="mailto:lerftest@jlab.org">lerftest@jlab.org</a> <<a href="mailto:lerftest@jlab.org">mailto:lerftest@jlab.org</a>> ></span><br><span>Sent: Wednesday, October 11, 2017 3:58:54 PM</span><br><span>Subject: [Lerftest] Waveguide review slides posted</span><br><span></span><br><span></span><br><span></span><br><span>The LCLS-II waveguide layout review was held this AM, the slides have been </span><br><span>posted to the wiki:</span><br><span></span><br><span><a href="https://wiki.jlab.org/lerf/index.php/Reviews">https://wiki.jlab.org/lerf/index.php/Reviews</a></span><br><span></span><br><span>Comments and questions from the review will also be posted shortly.</span><br><span></span><br><span>Kevin</span><br><span>_______________________________________________</span><br><span>Lerftest mailing list</span><br><span><a href="mailto:Lerftest@jlab.org">Lerftest@jlab.org</a> <<a href="mailto:Lerftest@jlab.org">mailto:Lerftest@jlab.org</a>></span><br><span><a href="https://mailman.jlab.org/mailman/listinfo/lerftest">https://mailman.jlab.org/mailman/listinfo/lerftest</a></span><br><span></span><br><span></span><br><span></span><br></div></blockquote><blockquote type="cite"><div><image001.png></div></blockquote></div></body></html>