[Hallb-engineering] switching power to IOC
tilles at jlab.org
Mon Dec 20 12:21:33 EST 2010
On 12/20/2010 12:20 PM, bruhwel at jlab.org wrote:
> The clean power generator is behind the large one and can be tested ourselves, or let Paul do it. Have we been given a reason as to why this work is being done on a shutdown day? This seems contra to the Labs fundamental policy on shutdown days. There's good reason not to work on those days.
> One thing to remember is that the Buffer Dewar may not be a bumpless transfer.
> The oncall paging system will need to be verified as its not on a backup system as far as I know.
> This should all be OK however, but its not without risk and I don't understand why we don't do this type if work when there are workers around.
> Sent from my Verizon Wireless Phone
> ----- Reply message -----
> From: "Doug Tilles"<tilles at jlab.org>
> Date: Mon, Dec 20, 2010 11:26
> Subject: [Hallb-engineering] switching power to IOC
> To: "David Kashy"<kashy at jlab.org>
> Cc: "Sergey"<boiarino at jlab.org>,<hallb-engineering at jlab.org>
> On 12/20/2010 11:16 AM, David Kashy wrote:
>> Our buffer dewar and torus are backed up by the generator(s). Thus we
>> should be able to run through the down time.
>> I like Krister's suggestion to test the generator. Doug, can you get
>> this done? If this is really just a short down, I too don't see why
>> this can't be done during a normal business day. But maybe we don't
>> have the full picture...
>> I'll be out of town until the 29th, but may be reachable by cell phone
>> if there is service in northern Michigan.
>> On 12/20/2010 10:39 AM, Doug Tilles wrote:
>>> I just heard that hall A is going to switch to dirty power for there
>>> cryo controls due to the power shut down over the break. Can this also
>>> be done for our systems?
>>> Hallb-engineering mailing list
>>> Hallb-engineering at jlab.org
> I'm getting in touch with Paul Powers now to set up a test with Harris
> Elec on the Generator. Doug
> Hallb-engineering mailing list
> Hallb-engineering at jlab.org
I'm still waiting for a response from Plant
More information about the Hallb-engineering