<html><body><div style="font-family: times new roman,new york,times,serif; font-size: 12pt; color: #000000"><div>Hello Marco,<br><br>Since the power came back some time in the middle of the night, we were not able to see what the internal humidity of the dry-boxes were at that time.<br><br>When I came in this morning to move the aerogel back to the small cleanroom, the small dry-boxes were at 0.5% and the large one in EEL 124 was at 4.5% according to their front displays.<br><br></div><div>All tiles have been placed back into the small dry-box in the gowning room of the DSG small cleanroom. The internal humidity is at 0.5%.<br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div>The gas bottle we used overnight has also been disconnected and moved back to EEL 125.<br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div>Best regards,<br data-mce-bogus="1"></div><div>Tyler<br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><hr id="zwchr" data-marker="__DIVIDER__"><div><b>From: </b>"Marco Contalbrigo" <mcontalb@fe.infn.it><br></div><div data-marker="__HEADERS__"><b>To: </b>"Tyler Lemon" <tlemon@jlab.org><br><b>Cc: </b>"dsg-rich" <dsg-rich@jlab.org><br><b>Sent: </b>Wednesday, May 9, 2018 4:27:20 AM<br><b>Subject: </b>Re: [Dsg-rich] RICH aerogel dry-box moved to EEL 124, will be purged with N2 during power outage<br></div><div><br></div><div data-marker="__QUOTED_TEXT__">Hi Tyler,<br>thanks for the care. If possible, I suggest you check the humidity<br>level of the small dry-boxes at restart (should be visible from the<br>display). This will give us an idea of their condition stability<br>during power outgaes. <br>Thanks, Marco.<br><br>On Tue, 8 May 2018, Tyler Lemon wrote:<br><br>> Hello,<br>> <br>> As noted in the email below from Facilities Management, there will be a planned<br>> power outage in the EEL from Tuesday May 8 at 5:30PM to Wednesday May 9 at 3:30AM.<br>> <br>> To make sure that the aerogel tiles we have on hand for RICH are kept in a low<br>> humidity environment, all tiles have been moved to the large dry box in EEL 124 and<br>> are being purged with nitrogen from a gas bottle.<br>> <br>> Wednesday morning, the tiles will be moved back to the small dry-boxes in the small<br>> cleanroom.<br>> <br>> Best regards,<br>> Tyler<br>> <br>> ___________________________________________________________________________________<br>> From: "JLab Communications Office" <JLAB_Communications-office@jlab.org><br>> To: tlemon@jlab.org<br>> Sent: Thursday, May 3, 2018 1:08:28 PM<br>> Subject: JLab Power Outage Planned for May 8; No Building Access During Outage<br>> <br>> JLab Power Outage Planned for May 8; No Building Access During Outage<br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>><br>> JLab Internal Memo<br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>><br>> INTERNAL MEMO<br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>><br>> May 3, 2018<br>> Sent on behalf of Facilities Management & Logistics <br>><br>> SUBJECT: JLab Power Outage Planned for May 8; No Building Access During Outage <br>> CONTACT: Paul Powers, x7258, powersp@jlab.org<br>> <br>> <br>> <br>> <br>> <br>> <br>><br>> On May 8, Facilities Management & Logistics personnel will test oil-filled<br>> transformers affecting buildings on the Jefferson Lab Campus. Power to the affected<br>> buildings will be turned off promptly at 5:30 p.m. and is expected to be turned<br>> back on at 3:30 a.m. All building occupants are required to leave these buildings<br>> no later than 5 p.m. on May 8 and may not re-enter the buildings until the power<br>> has been restored.<br>><br>> These buildings will be affected:<br>> • CEBAF Center (Bldg. 12)<br>> • Experimental Equipment Lab (Bldg. 90)<br>> • TED (Bldg. 55)<br>> • Central Chiller (Bldg. 60)<br>> <br>> Core Computing in CEBAF Center will not be affected, because it is on an emergency<br>> generator and is cooled separately.<br>><br>> All facilities that rely on the Central Chiller for Chilled Water should secure<br>> their equipment before 5 p.m. on May 8 to prevent overheating. This applies to the<br>> following buildings:<br>> • Accelerator Site Service Buildings<br>> • CEBAF Center Data Center<br>> • Experimental Equipment Lab (Bldg. 90)<br>> • Test Lab (Bldg. 58)<br>><br>> If you have any questions about this work or its impacts, contact Paul Powers at<br>> ext. 7258 or powersp@jlab.org.<br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>><br>> 12000 JEFFERSON AVENUE • NEWPORT NEWS, VA 23606 • USA • WWW.JLAB.ORG<br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>><br>> This email was sent to tlemon@jlab.org<br>> why did I get this? unsubscribe from this list update subscription<br>> preferences<br>> Jefferson Lab · 12000 Jefferson Ave. · Newport News, VA 23606 · USA<br>> <br>> <br>> [open.php?u=1de9c43e6d5e45ff0ecd664cd&id=a52d12fa98&e=d1c043da99]<br>> <br>> <br>><br></div></div></body></html>