[Dsg-rich] RICH Compressor

Wed Jul 25 08:41:09 EDT 2018

Tyler, 

Could you please switch ON the RICH compressor. 
I will start to test the detector today. 

Thank you, 
Valery 

> From: "Tyler Lemon" <tlemon at jlab.org>
> To: "dsg-rich" <dsg-rich at jlab.org>, "Bob Miller" <rmiller at jlab.org>, "Denny
> Insley" <dinsley at jlab.org>, "David Kashy" <kashy at jlab.org>
> Sent: Thursday, July 19, 2018 7:50:56 AM
> Subject: Re: [Dsg-rich] RICH N2 panel flow test

> Hello Bob,
> Thank you for the information.

> Hello Marco Contalbrigo,
> What needs to be done to verify RICH HV is properly connected?
> Would we just need to make sure the labels on cabling and the patch panel match?
> Should we also make sure that the expected electronics boards are powered when
> each individual HV channel is enabled?
> Please let us know.

> Best regards,
> Tyler

> From: "Robert Miller" <rmiller at jlab.org>
> To: "Tyler Lemon" <tlemon at jlab.org>
> Cc: "dsg-rich" <dsg-rich at jlab.org>, "Denny Insley" <dinsley at jlab.org>, "David
> Kashy" <kashy at jlab.org>
> Sent: Wednesday, July 18, 2018 5:07:51 PM
> Subject: Re: [Dsg-rich] RICH N2 panel flow test

> Hi Tyler,

> We will install this early next week.

> We disconnected some RICH cables to install the LTCCs, so we would like someone
> to check the RICH early next also to verify the proper cable connections. I
> will let you know when the RICH cables are connected.

> Regards,
> Bob

> ----- Original Message -----
> From: "Tyler Lemon" <tlemon at jlab.org>
> To: "dsg-rich" <dsg-rich at jlab.org>
> Cc: "Denny Insley" <dinsley at jlab.org>, "David Kashy" <kashy at jlab.org>, "Bob
> Miller" <rmiller at jlab.org>
> Sent: Wednesday, July 18, 2018 3:53:34 PM
> Subject: Re: [Dsg-rich] RICH N2 panel flow test

> Hello,

> As George mentioned in his email below from Monday, he completed the full-scale
> flow test for the upgraded RICH nitrogen panel. In the Hall B Gas Shed, he was
> able to achieve ~60 slm flow on both channels for a total of ~120 slm for the
> entire panel. By George's experience, he anticipates that the flow we will be
> able to get in Hall B on the forward carriage will be ~ 40 slm per channel (~80
> slm total) because of the back pressure caused by the supply line between the
> dewar and hall.

> At this point, the panel is ready to be installed on the Forward Carriage. After
> it is moved into place, the old panel can be removed and the upgraded panel
> connected in its place in a few minutes to prevent any long stoppage of
> nitrogen flow. After the panel is installed, DSG will run a cable for the new
> pressure transducer on the panel and also make the required changes to the
> LabVIEW hardware interlock system.

> In addition to the upgraded panel, DSG has ready an easidew hygrometer to
> measure the water concentration of RICH's nitrogen volume. This sensor will be
> place on one of RICH's nitrogen exhaust lines. For its installation, DSG will
> run a cable from the hygrometer to the N2 Vol cRIO for monitoring.

> Best regards,
> Tyler

> From: "George Jacobs" <jacobsg at jlab.org>
> To: "Denny Insley" <dinsley at jlab.org>, "Tyler Lemon" <tlemon at jlab.org>
> Cc: "Dave Kashy" <kashy at jlab.org>, "Robert Miller" <rmiller at jlab.org>,
> "dsg-rich" <dsg-rich at jlab.org>
> Sent: Monday, July 16, 2018 10:20:39 AM
> Subject: Re: [Dsg-rich] RICH N2 panel flow test

> Hi All,

> The new RICH N2 purge supply panel was connected to the 96B gas shed N2 supply
> to verify proper gas flow. N2 gas supply pressure is 35 psi.

> Using both 0-60 slm capacity flow meters at the same time, flows > 60 slm per
> channel were achieved with the pressure regulator output as low as 5 psi.

> Thanks,
> George

> On 7/13/2018 1:01 PM, Denny Insley wrote:

> Good afternoon

> The panel is now in the gas shed. Contact
> Todd Ewing when your ready to start hooking it up.

> Thanks
> Denny

> Sent from my iPhone

> On Jul 13, 2018, at 12:01 PM, Tyler Lemon < tlemon at jlab.org > wrote:

> BQ_BEGIN

> Hi Dave,

> Thank you for checking the panel.

> Once the panel is moved, DSG will set up the test, following your instruction to
> pipe the flow outside.

> Best regards,
> Tyler

> From: "Dave Kashy" < kashy at jlab.org >
> To: "Robert Miller" < rmiller at jlab.org >, "Denny Insley" < dinsley at jlab.org >
> Cc: "Tyler Lemon" < tlemon at jlab.org >, "dsg-rich" < dsg-rich at jlab.org >, "George
> Jacobs" < jacobsg at jlab.org >
> Sent: Friday, July 13, 2018 8:26:49 AM
> Subject: Re: [Dsg-rich] RICH gas system updates

> Hi Bob and Denny,
> George borrowed our gauge and tightened the fittings on the gas panel. This
> morning I checked them all and found 1 that I tigtened 1/4 turn more. They are
> all now properly set and verified proper compression using the Swagelock gage.
> Please transport the panel out to the gas shed. I think it should be put it
> inside. The DSG folks will then make some temporary connections to do the flow
> tests on it. They should pipe the exhaust out of the shed or have the overhead
> door full open while testing and remove all temporary tubing before closing the
> overhead door.

> Dave

> ----- Original Message -----
> From: "George Jacobs" < jacobsg at jlab.org >
> To: "kashy" < kashy at jlab.org >, "Tyler Lemon" < tlemon at jlab.org >
> Cc: "dsg-rich" < dsg-rich at jlab.org >, "Robert Miller" < rmiller at jlab.org >
> Sent: Wednesday, July 11, 2018 5:14:19 PM
> Subject: Re: [Dsg-rich] RICH gas system updates

> Hi Dave,

> I will pick up the gauge in the morning.

> Please find attached diagram of proposed N2 valve panel flow test configuration.
> This uses one of the N2 utility connections in 96B as the gas supply.

> Thanks,
> George

> On 7/11/2018 4:00 PM, Dave Kashy wrote:

> Tyler,
> In order to save time I have a fitting gage on my desk.
> You or someone else can come over to borrow it. Please return it upon finishing
> the work.

> Thanks
> Dave

> ----- Original Message -----
> From: "Tyler Lemon" < tlemon at jlab.org > To: "dsg-rich" < dsg-rich at jlab.org > ,
> "kashy" < kashy at jlab.org > , "Robert Miller" < rmiller at jlab.org > Sent:
> Wednesday, July 11, 2018 3:57:37 PM
> Subject: RICH gas system updates

> Hello,

> In regards to the upgraded RICH N2 panel and the email this morning, George has
> ordered a Swagelok gauge for ensuring the fittings are properly tightened. Once
> he receives the gauge, we will check the panel and tighten the necessary
> connections. After the panel is checked, the panel will be moved over to the
> Hall B Gas Shed for the full-scale flow test. DSG will need assistance from
> Hall B Engineering to move the panel as we do not have the transportation
> equipment necessary. Before the full-scale flow test, George will generate a
> diagram showing the panel connected to the nitrogen supply line.

> DSG also has on hand a Easidew moisture transducer and fittings that will allow
> the transducer to be connected to RICH's nitrogen exhaust line. This moisture
> transducer is on RICH and is not part of the RICH pressure transducer. It is
> separate from the nitrogen panel upgrade. Installation of the moisture
> transducer would not take long. The plan is to get all parts ready, remove the
> existing gas line, and quickly install the moisture transducer to limit the
> chances moisture enters RICH. This sensor will be read by RICH's N2 cRIO and
> will only be monitored; no interlocks will be on the sensor.

> If there are any questions on the nitrogen panel upgrade or the Easidew moisture
> transducer, please let us know.

> Best regards,
> Tyler
> _______________________________________________
> Dsg-rich mailing list Dsg-rich at jlab.org
> https://mailman.jlab.org/mailman/listinfo/dsg-rich

> --
> George Jacobs
> Jefferson Lab (TJNAF)
> STE 12
> 12000 Jefferson Ave.
> Newport News, VA 23606

> (office) 757-269-7115

> (cell) 757-876-0480

> (email) jacobsg at jlab.org (website) https://userweb.jlab.org/~jacobsg

> BQ_END

> --
> George Jacobs
> Jefferson Lab (TJNAF)
> STE 12
> 12000 Jefferson Ave.
> Newport News, VA 23606

> (office) 757-269-7115

> (cell) 757-876-0480

> (email) jacobsg at jlab.org (website) https://userweb.jlab.org/~jacobsg

> _______________________________________________
> Dsg-rich mailing list
> Dsg-rich at jlab.org
> https://mailman.jlab.org/mailman/listinfo/dsg-rich
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://mailman.jlab.org/pipermail/dsg-hallb_rich/attachments/20180725/4af34a5b/attachment-0002.html>