| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
2592
|
Thu Feb 11 18:53:57 2010 |
steve | Configuration | VAC | VAC NORMAL is back |
|
|
|
2613
|
Thu Feb 18 15:39:16 2010 |
Koji and Steve | Configuration | VAC | valve condition: ALL OFF | As preparation for the upcoming planned
power outage we turned turbos, RGA off and
closed valves. |
|
|
2616
|
Fri Feb 19 10:18:19 2010 |
Jenne | Update | VAC | The P1 vac pressure is almost to 3mTorr | The Vac pressure measured at P1 is at 2.5mTorr.
I expect we'll hit 3mTorr sometime this afternoon,
at which point (according to Steve) the interlock |
|
|
2624
|
Mon Feb 22 11:38:05 2010 |
joe, jenne and steve | Configuration | VAC | vacuum is back to normal | Morning condition: vacuum rack power is
still off, no MEDM screen reading.....meaning
unknown vacuum pressure.We closed PSL shutter |
|
|
2631
|
Tue Feb 23 13:37:04 2010 |
kiwamu and steve | Configuration | VAC | venting the 40m vac envelope | Kiwamu and Steve have started venting
the 40m vacuum envelope.
Preparation: |
|
|
2633
|
Tue Feb 23 16:20:44 2010 |
steve | Configuration | VAC | outgassing + leak |
|
|
|
2635
|
Tue Feb 23 19:00:45 2010 |
kiwamu | Configuration | VAC | vent finished | The vent has been
finished. |
|
|
2636
|
Tue Feb 23 19:07:43 2010 |
kiwamu and steve | Configuration | VAC | vent is completed |
|
|
|
2644
|
Fri Feb 26 15:32:13 2010 |
steve | Configuration | VAC | preparation for power outage: vacuum all off | There is a planned power outage tomorrow,
Saturday from 7am till midnight.
I vented all annulies and switched |
|
|
2648
|
Mon Mar 1 11:21:50 2010 |
steve | Configuration | VAC | vacuum contoller is back to normal |
|
|
|
2670
|
Fri Mar 12 17:08:22 2010 |
steve | Configuration | VAC | bg-RGAscan at d18 | RGA scan of rga-region only at day 18
This is the back ground of the rga with some
calibration gas. |
|
|
2803
|
Fri Apr 16 17:46:54 2010 |
Koji | Update | VAC | Peeting mirrors aligned | Steve and Koji
We aligned the peeping mirrors to
look at the surface of the ITMs. |
|
|
2963
|
Fri May 21 00:30:44 2010 |
Jenne | Update | VAC | TP3 fore pump is very loud | [Jenne, Kiwamu, and Steve via phone]
Around 9:30pm, Kiwamu and I came
back from dinner, and were getting ready |
|
|
2965
|
Fri May 21 08:28:29 2010 |
steve | Configuration | VAC | TP3 turned off |
|
|
|
2970
|
Fri May 21 16:37:35 2010 |
steve | Configuration | VAC | tp3's drypump replaced | Bob replaced the tipseal in an other drypump
and I swapped it in. TP3 turbo is running
again, it's foreline pressure is 40 mTorr. |
|
|
3009
|
Fri May 28 13:32:01 2010 |
alberto, kiwamu | Update | VAC | vacuum work | We started
a vacuum work in this morning. And still |
|
|
3010
|
Fri May 28 13:51:51 2010 |
Jenne | Update | VAC | vacuum work |
|
|
|
3011
|
Fri May 28 14:24:30 2010 |
Jenne | Update | VAC | vacuum work | I just got off the phone with Alberto and
Kiwamu, and I'm going to try to recalculate
things based on their measurements of the |
|
|
3111
|
Wed Jun 23 23:55:03 2010 |
Katharine, Sharmila, Rana, Steve and Kiwamu | Update | VAC | wiped the BS | Some unused
optics in the BS chamber were removed. |
|
|
3114
|
Thu Jun 24 11:16:32 2010 |
Sharmila, Rana and Kiwamu | HowTo | VAC | Inspection of the BS (sorry, no sounds) | |
|
|
3116
|
Thu Jun 24 16:59:24 2010 |
josephb | Update | VAC | Finished restoring the access connector and door | [Jenne, Kiwamu, Steve, Sharmila,
Katherine, Joe]
We finished bolting the door on the |
|
|
3138
|
Tue Jun 29 17:10:49 2010 |
steve, rana | Update | VAC | slow pumpdown started | The folding crane was fixed and tested
this morning by the NNN rigging company.
Pictures will be posted by Steve in the morning. |
|
|
3140
|
Tue Jun 29 23:49:18 2010 |
steve, rana | Update | VAC | slow pumpdown started | |
|
|
3141
|
Wed Jun 30 00:45:26 2010 |
rana | Update | VAC | slow pumpdown stopped for the night | As per Steve's instructions, at 12:43 AM,
I used the following steps to stop the pumpdown
until the morning: |
|
|
3148
|
Wed Jun 30 15:24:04 2010 |
steve,kiwamu | Update | VAC | slow pumpdown copmlete |
|
|
|
3152
|
Thu Jul 1 10:26:34 2010 |
steve | Configuration | VAC | pd68 at vacuum normal state | Slow pump down _pd68 has reached the vacuum
normal state. CC4_Rga region is pumped
now. The RGA is still off. |
|
|
3248
|
Tue Jul 20 08:04:31 2010 |
steve | Configuration | VAC | slow vent has started | The PSL shutter was closed. The beam path
blocked two places. High voltage power supplies
to IOO and OMC PZT were checked to be off. |
|
|
3254
|
Tue Jul 20 23:52:36 2010 |
kiwamu | Update | VAC | update: slow vent has started | The
vent is still going on. At this moment the
pressure inside of the chambers is about |
|
|
3259
|
Wed Jul 21 12:41:31 2010 |
kiwamu | Update | VAC | vent finished | The vent
has been finished successfully in this morning. |
|
|
3266
|
Thu Jul 22 08:07:27 2010 |
steve | Update | VAC | vent finished |
|
|
|
3331
|
Fri Jul 30 09:55:34 2010 |
steve | Configuration | VAC | slow pumpdown has started | Bob and Steve closed BS chamber with the
help of the manual Genie lift and the pump
down started. The PSL shutter was closed |
|
|
3336
|
Fri Jul 30 17:54:55 2010 |
steve | HowTo | VAC | How to stop and start slow pumpdown |
|
|
|
3338
|
Fri Jul 30 22:07:42 2010 |
Koji | HowTo | VAC | How to stop and start slow pumpdown | Kiwamu and Koji
The rough pumping was stopped at
230mmTorr. We are going to resume the pumping |
|
|
3340
|
Sat Jul 31 10:12:05 2010 |
kiwamu | Update | VAC | Re: How to stop and start slow pumpdown | I resumed the pumping down. It started
from 9:55 am. |
|
|
3341
|
Sat Jul 31 14:59:33 2010 |
kiwamu | Update | VAC | Re: How to stop and start slow pumpdown | I stopped the pumping at 14:50 pm
because I was going back home. I did the |
|
|
3343
|
Sat Jul 31 22:35:01 2010 |
Koji | Update | VAC | Vac-P1 still 1.2mtorr | I resumed the pumping from 19:00.
Now the valve RV1 is full open. But
the pumping is really slow as we are using |
|
|
3344
|
Sun Aug 1 18:50:35 2010 |
Koji | Update | VAC | P1 = 0.48 torr | I resumed the pumping today. Now the pressure
is 0.48 torr. The pump was stopped.
|
|
|
3347
|
Mon Aug 2 10:26:15 2010 |
steve | Configuration | VAC | very slow pumpdown completed |
|
|
|
3611
|
Mon Sep 27 08:59:50 2010 |
steve | Configuration | VAC | slow vent has started | Blocked PSL output beam into IFO
Checked: HV at IOO & OMC are
off, jam nuts in position, |
|
|
3614
|
Tue Sep 28 00:07:45 2010 |
kiwamu | Configuration | VAC | Re: slow vent has started | (Koji, Yuta, Kiwamu)
|
|
|
3622
|
Wed Sep 29 16:56:36 2010 |
yuta | Update | VAC | 2 doors opened | (Steve, Koji, Joe, Kiwamu, Yuta)
Background:
The vent was started on Monday, |
|
|
3645
|
Mon Oct 4 19:48:00 2010 |
yuta | Update | VAC | several mirrors installed to ITMX/BS chamber | (Koji, Kiwamu, Yuta)
Lots of progress |
|
|
3654
|
Tue Oct 5 17:39:21 2010 |
steve | Configuration | VAC | west access connector removed | Kiwamu, Koji, Yutah, Rana, Jan and Steve
We removed the west access connector
this afternoon. |
|
|
3656
|
Tue Oct 5 21:22:46 2010 |
yuta | Update | VAC | green beam reached PSL table | Y |
|
|
3925
|
Mon Nov 15 16:09:44 2010 |
Jenne | Update | VAC | ETMX, ETMY, ITMY chambers opened | [Steve, Jenne, Suresh, Koji]
The remaining test mass chambers
have been opened, and have light doors in |
|
|
4059
|
Wed Dec 15 16:04:49 2010 |
steve | Configuration | VAC | vacuum valves found in default condition | This condition is created when we run out
of nitrogen that holds the valves in set
positions. The Maglev and other turbos are |
|
|
4083
|
Tue Dec 21 16:20:09 2010 |
steve | Configuration | VAC | pumpdown has started | Slow pumpdown of |
|
|
4084
|
Tue Dec 21 16:34:42 2010 |
kiwamu | Summary | VAC | All the test masses have been wiped | [Jenne and Kiwamu]
We wiped all the test masses with |
|
|
4088
|
Wed Dec 22 15:47:22 2010 |
Koji | Update | VAC | Tank closing procedure | [Jenne Kiwamu Joe Osamu Steve Koji]
Yesterday (21st), we closed the BSC
and the four testmass chambers. |
|
|
4089
|
Wed Dec 22 17:24:50 2010 |
steve | Configuration | VAC | slow pumpdown at 12 hours | We have reached 200 Torr at 12 hours of
slow pumping speed. Kiwamu stopped the pumping
for 11 hrs last night .and I restarted it |
|