Difference between revisions of "TF Management"
| (3 intermediate revisions by the same user not shown) | |||
| Line 3: | Line 3: | ||
7/30/08: Tony report's at Qweak collaboration meeting that GEM detector construction complete BUT the Charge collector Vendor has delayed delivery. | 7/30/08: Tony report's at Qweak collaboration meeting that GEM detector construction complete BUT the Charge collector Vendor has delayed delivery. | ||
| − | 8/?/08: 2 Charge collectors arrive at ISU. None were useful, CERN and I saw problems | + | 8/?/08: 2 Charge collectors arrive at ISU. None were useful, CERN and I saw problems which they will fix and send 2 more. |
8/30/08: LaTech and W&M components to the Collaborative MRI grant expire, Virginia Tech receives an extension. | 8/30/08: LaTech and W&M components to the Collaborative MRI grant expire, Virginia Tech receives an extension. | ||
| Line 31: | Line 31: | ||
1/23/09: ~2 hour phone conference | 1/23/09: ~2 hour phone conference | ||
;summary | ;summary | ||
| − | #The teleconference concluded that no problems currently exist with the GEM detectors | + | #The teleconference concluded that no problems currently exist with the GEM detectors. |
| − | #A considerable amount of time was spend on gas leak tests. LaTech did not seem to accept the outside experts opinion regarding chamber gas leaks and will try to perform a leak test measurement. It is important to consider that the charge collector is the only critical component which must not be damaged. The charge collector has a thin gold coating | + | #A considerable amount of time was spend on gas leak tests. LaTech did not seem to accept the outside experts opinion regarding chamber gas leaks and will try to perform a leak test measurement. It is important to consider that the charge collector is the only critical component which must not be damaged. The charge collector has a thin gold coating on its exposed surface minimize the impact of O2 and H2O. The GEM preamps and cathodes are easy to replace or repair (less than 1 day). Klaus should make a detector attachment system which allows easy and fast detector removal. |
| − | # | + | #LaTech urgency for detector delivery prevented most tests except for a HV test. Latech said they would return a detector next week. It has taken at least 8 weeks to get an inventory tag on the detectors so they may be returned to ISU for testing. |
| − | #Some time was spent discussing the electronics readout. Steve | + | #Some time was spent discussing the electronics readout. Steve answered Kathleen's questions regarding the readout electronics game plan. Latech will look into a backup plan involving BoNUS's RPC chambers readout electronics. |
Latest revision as of 04:08, 26 January 2009
Timeline
7/30/08: Tony report's at Qweak collaboration meeting that GEM detector construction complete BUT the Charge collector Vendor has delayed delivery.
8/?/08: 2 Charge collectors arrive at ISU. None were useful, CERN and I saw problems which they will fix and send 2 more.
8/30/08: LaTech and W&M components to the Collaborative MRI grant expire, Virginia Tech receives an extension.
10/22/08: 2 charge collector arrives at ISU (No output connectors so I had to send them back)
10/23/08: Kathleen sends e-mail to Tony asking for requisition because MRI has expired and the GEM detector needs to be billed to the grant.
10/30/08: Kathleen sends e-mail requesting that the chambers be sent so a property tag can be placed on it.
11/6/08 : After several e-mail exchanges a final invoice version (#5?) is sent to LaTech which based on the lack of a reply is assumed to satisfy their needs.
11/7?/08: 2 Charge collectors arrive back with connectors, assembly begins.
11/19/08: Tony reports construction complete at Qweak collaboration meeting. Detector testing needs to be done but due to LaTech's grant expiration induced emergency, only a HV test was completed and the detectors were sent to LaTech for property tags.
11/24/08: 2 Qweak GEM detectors arrive at LaTech according to FedEx tracking.
1/12-15/08: Tony sends Greg quarterly report suggesting that communication take place concerning the last R1 milestone delay
1/19/09: Klaus tells Greg that the last R1 milestone is delayed from March, 09 until Oct. 09. Tony has no idea where this number comes from and was never contacted for discussion.
1/20/09: Klaus submits a report critiquing the GEM detector construction to Greg Smith and the R1 work package leader
1/21/09: Greg e-mails his summary of an outside experts evaluation of Klaus' critiques. The expert does not find any merit to Klaus' critiques which would warrant corrective action on the detector design or construction.
1/23/09: ~2 hour phone conference
- summary
- The teleconference concluded that no problems currently exist with the GEM detectors.
- A considerable amount of time was spend on gas leak tests. LaTech did not seem to accept the outside experts opinion regarding chamber gas leaks and will try to perform a leak test measurement. It is important to consider that the charge collector is the only critical component which must not be damaged. The charge collector has a thin gold coating on its exposed surface minimize the impact of O2 and H2O. The GEM preamps and cathodes are easy to replace or repair (less than 1 day). Klaus should make a detector attachment system which allows easy and fast detector removal.
- LaTech urgency for detector delivery prevented most tests except for a HV test. Latech said they would return a detector next week. It has taken at least 8 weeks to get an inventory tag on the detectors so they may be returned to ISU for testing.
- Some time was spent discussing the electronics readout. Steve answered Kathleen's questions regarding the readout electronics game plan. Latech will look into a backup plan involving BoNUS's RPC chambers readout electronics.