<html><body><div style="font-family: arial,helvetica,sans-serif; font-size: 12pt; color: #000000"><div>Hi All,<br></div><div><br data-mce-bogus="1"></div><div>The facilities chiller went down briefly which had at least 2 affects on the hall. The HVAC cooling was not cooling (that uses chilled water), and the Hall temperature increased and our chilled water supply warmed up causing the FDC chiller to trip. The water was still flowing but warming gradually.<br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div>Facilities has the system up and running now and are investigating the cause of the trip.<br data-mce-bogus="1"></div><div><br></div><div><br></div><div data-marker="__SIG_PRE__">Tim Whitlatch<br>Hall D Engineer<br>Jefferson Lab<br>12050 Jefferson Ave ste 402<br>Newport News, Va 23606<br>757-269-5087</div><div><br></div><hr id="zwchr" data-marker="__DIVIDER__"><div data-marker="__HEADERS__"><b>From: </b>"Fernando Barbosa" <barbosa@jlab.org><br><b>To: </b>"Timothy Whitlatch" <whitey@jlab.org>, "Tom Carstens" <carstens@jlab.org><br><b>Cc: </b>"Hall D at JLAB" <halld-jlab@jlab.org><br><b>Sent: </b>Wednesday, April 8, 2015 1:49:52 PM<br><b>Subject: </b>High Hall Temperature<br></div><div><br></div><div data-marker="__QUOTED_TEXT__">Hi , Tim, Tom,<br><br>The hall temperature is at a balmy 77F! This is way out of spec and it <br>used to be 68F-70F.<br><br>Best regards,<br>Fernando<br></div></div></body></html>