<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: arial,helvetica,sans-serif; font-size: 12pt; color: #000000'>Hi Richard,<br><br>There are no plans to make the racks moveable. I will show tagger hall layouts Monday and we can discuss.<br><br>Cheers,<br><br><div><span name="x"></span>Tim Whitlatch<br>Hall D Engineer<br>Jefferson Lab<br>12050 Jefferson Ave ste 402<br>Newport News, Va 23606<br>757-269-5087<span name="x"></span><br></div><br><hr id="zwchr"><div style="color:#000;font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt;"><b>From: </b>"Fernando J Barbosa" <barbosa@jlab.org><br><b>To: </b>"Richard Jones" <richard.t.jones@uconn.edu><br><b>Cc: </b>"Tim Whitlatch" <whitey@jlab.org>, "Hall D beam working group" <halld-tagger@jlab.org>, "Fernando J. Barbosa" <barbosa@jlab.org><br><b>Sent: </b>Saturday, May 11, 2013 6:02:49 PM<br><b>Subject: </b>Re: information about tagger racks and cables<br><br>Hi Richard,<br><br>Tim is best contact regarding the mechanical setup in the tagger hall.<br><br>I recall that quite sometime ago we discussed with you the setup to <br>determine the shortest possible cable lengths (40 ft). The racks are <br>fixed due to cabling and the power mains (110V and 208V), which are <br>fixed. The cables will be on trays but I am not sure if they are movable.<br><br>Best regards,<br>Fernando<br><br><br>On 5/10/2013 2:32 PM, Richard Jones wrote:<br>> Hello Fernando and Tim<br>><br>> During the installation meeting there was a discussion of the signal <br>> cables from the microscope to the electronic racks in the tagger <br>> hall. We are now finalizing the layout of the tagger microscope <br>> readout, and would like to verify that the cable routes and plans for <br>> cable trays in the tagger hall are compatible with our drawings.<br>><br>> Also, we need to discuss what happens when we need to move the <br>> microscope from its nominal position at 9GeV on the focal plane to <br>> 6GeV (for the pion polarizability measurement) and possibly <br>> elsewhere. Is it planned to make the electronics racks for the <br>> microscope mobile (eg. on castors) so that they can move along with <br>> the microscope? Are there plans to have cable trays for these signal <br>> cables, or do they just lie on the floor? If trays, will the trays be <br>> movable?<br>><br>> It would be helpful to have a floor plan of the tagger building <br>> available during our biweekly meeting on Monday, so we can see what <br>> the limits will be, given the lengths of signal cables that already <br>> exist. I think these cables have already been made?<br>><br>> -Richard Jones<br>><br><br></div><br></div></body></html>