M9 Q2 15" pin drive was removed and disconnected.

- Pin drive retention screw had to be completely removed to be able to remove pin drive completely.

- Had to make tools to remove pin drive and retention screw, see photos.

- Retention screw removed with 3/4" hex socket with .010" shim inside to cause interference with 3/4 hex bar. Hex socket was then jammed on to screw to retain it. Part was then unscrewed and carried away with socket. 80 µSv on contact, 10 µSv @ 1/2 m, no removable contamination.

- Pin drive removed with double hook tool, left on stand next to steel blocks at magnet elevation.

- 93 turns to fully retract pin drive, 4 turns to completely remove retention screw.

- Q2 joint was pried open with a screwdriver wedged between B1 flange and indium ring. See photo for final result.

Removed Q2 15" indium seal ring, discovered seal contained rubber on both sides instead of indium.

- Some kind of oil residue seen at the bottom of the sealing ring and inside of the Q2 vacuum box. (Note: Oil residue was from downstream vacuum roughing pumps. They were connected when T2 M9 joint was leaking. Oil got into the vacuum pump back streamed into the beam line.)

- Probing of rubber seal showed it was still soft at the top and bottom while brittle on the sides near the beam plane (Small pieces broke away when pressure was applied).

- Ring measured 11 µSv on contact, 0.7 µSv @ 1/2 meter, no removable contamination.

Removed a stainless remote handle-able bolt from Q1 cover plate for assaying.

- Bolt removed from South East corner of top cover plate. See photo for location of removed bolt.

- Removed bolt measured 600 µSv on contact, 11 µSv @ 1/2 m, no removable contamination. Bolt placed in a marked lead vial for storage.

- Replaced with identical remote handling bolt in same location.

Radioactive waste pit uncovered, red barrel with unknown contents taken out for assessment. R. Ralea from RPG determined barrel was too active to be removed from pit and therefore replaced into storage pit.

M. Kinakin took the aluminum samples from the two indium test rings and the stainless steel bolt taken from Q1 for analysis. Will return the stainless steel bolt when finished.

Successfully stacked old m20 q2 q2 magnet assembly on top of old M9 Q1 Q2 magnet and M11 septum magnet. See photos.

- Done to create room for current m9 Q1,2 magnet.

- Used 6' remote handling bridge on north end of open pit for shielding.

- Fields around railing/pit were around 460 µSv/h.

Old blank off, taper pins and dust cap were placed into lead flask.

- Radiation levels of pins not measured at this time.

Preparing for M9 Q1,2 move:

1. Re-arranged/organized cables on top of magnet.

2. Re-configured bagging bunker for walk around access.

3. M. Kinakin replaced bullet bolt that was used for assaying.

- Removed new bullet bolt from magnet and decontaminated

4. Fully collapsed M9 Q1,2 vacuum box

- Q1 front flange up against T2 flange, appx .25" clearance between Q2 spring eyes and B1 vacuum box.

- Helium line appears to be sticking out under B2

- See above and below photos.

5. Disconnected some kind of electrical line from M9 Q2.

- Was secured and pulled off from magnet; see photos below, before & after.

Removed M9 Q1 Q2 from beam line 1A via crane and transferred from beam line to radiation waste storage.

Magnet craned out of position in front of T2 monolith and then placed into bunker next to work site.

- Bunker pre-lined with plastic enough to envelope magnet.

Magnet craned over to radioactive storage and landed in south end of storage pit.

- Magnet did not sit on pit floor.

- Supported by a length of pipe on west of pit floor, Q1 leaning against south of pit wall and alignment bracket braced against a magnet on the east side of pit. See photos.

Work on blank off of M9 T2 started: Cleared away blocks making up bagging bunker. R. Kuramoto took some initial photos of the M9 T2 area post Q1Q2 removal; See Remote Handling network drive for photos.

G. Morris posted photos of M9 Q1Q2 just after removal from beam line 1A. Click here for link: http://trshare.triumf.ca/~gmorris/BL1A/M9/2013.3.5/

Scraped M9 T2 flange, removed what little indium was left on flange.

- Completed two passes, some indium still remains on flange. R. Kuramoto deems this sufficient for now.

- Scraping tool did not fit properly over flange, was forced into place and had to be pried off when scraping finished.

- Will temporarily blank off with rubber sealed blank off plate until area is cleaned of debris. Semi permanent blank off to be installed by end of week.

- See videos of flange scraping in Remote Handling group folder.

1. Re-scraped M9 T2 flange after reviewing video of flange.

- Some indium remains on inside of counter bore of flange, indium hard to remove due to current tooling.

2. Installed rubber spring loaded blank off flange to prevent debris from entering M9 T2 port.

- Will be removed once Q1Q2 void is cleaned and indium blank off plate is tested and prepared for use.

3. Continued cleaning of M9 Q1Q2 void.

- Attempted to wipe residue from bottom dead center of B1 15"knife  flange.  Did not fully clean, R. Kuramoto observed a thick viscous residue, "like tar"

- Started vacuuming of M9 Q1Q2 void

Yesterday:

Did vacuum testing on MK2 8" indium blank off; installed w/indium on test stand and put under vacuum.

- After 1 turn on spring eye nuts, a soft vacuum seal was achieved but the throttle valve (old leak detector) could not be opened. Spring eye nuts were turned in half turn increments.

- A dial indicator placed on the left of the test jig showed 0.010" movement of the blank off plate within 2 minutes after vacuum was started, after 1 one turn was applied on each spring eye nut. Under vacuum this increased to 0.015" after 5 minutes.

- It was noted that the KF40 flange on the test jig contained a pinhole leak therefore threw off the results. The indium seal appeared to be vacuum leak tight (due to no or low response) when He was applied in close proximity to the flange. The KF side had an immediate response to He.

T2 M9 volume was pumped out by E. Dalla Valle.

- Done in place of actual He leak testing of rubber blank off plate.

- E. D. V. noted that the vacuum level achieved was better than the indium seal used at T2 M9. He feels there is nothing wrong with the flange due to the vacuum level.

Yesterday: did visual, video inspection and still imaging of T2 M9 Q1Q2 void. G. Morris came down to work site for visual inspection, noticed and was concerned about a few of the shielding blocks that were "contacting" the T2 monolith. Of note are the known "crumbling blocks" directly North and West of the T2 monolith and the pointy shielding block (2MB2, DWG# D-3399) North of the monolith which sits on top of a crumbling block. It was not certain if these shielding blocks were touching the monolith but there was no visible gap. See photos.

Also installed an aluminum sheet metal dust cover over open B1 15" flange. See photo.

Photos are located on: \\trwindata\groups\remote handling\Photos\2013\2013_m9q1q2_void

Videos are located on: \\trwindata\groups\remote handling\Videos\2013\2013_m9q1q2_inspection

Blanked off T2 M9 exit port with indium seal blank off.

1. Removed temporary rubber blank off from T2 flange.

2. Installed indium blank off TB22267, assembly TB22265 into exit port.

- Blank off installed at 2.5 turns past finger tight, finger tight defined as when springs are captive but still at free length with flange pins installed.

- Finger tight position set on test jig and removed before installing into beamline (backed off 0.5 turns to enable installation of flange pins)

- Blank off installed using the same parameters as testing, tightening spring nuts 0.5 turns alternating East then West West then East (*2012 May 2, KN) until reaching 2.5 turns.

- Installation finished 14:23, installation took 0.5 hours.

- See photos for final installation

3. Leak check of blank off and installation of shielding blocks to follow

Continued with work on T2 M9 exit port and area; Vacuum started after 13:00 hours (due to vacuum pump issues at T2). He leak checked flange at 14:30, determined to be He leak tight. Vacuum pressure as of 14:45 in T2 volume (1ACG7) was at 36mT.

Installed shielding stand (TSH0094) for T2 M9 exit port as per drawing TSH0095; three steel blocks in total were lowered into the T2 M9 void. See photos. Started to tear down RH  setup after shielding was lowered into place.

TSH0081 and TSH0083 were put into the void along with another unspecified steel block, see photos for details. Pictured below is shielding stand and block TSH0081 installed in place.

Pictured below is TSH0083 and a steel shielding block installed in place. The steel grey block will retain its lift eyes (ie. left in block to be covered up). Top steel block is not specified in TSH0095 and will have to be updated in that drawing to reflect changes.

Before the RH setup was torn down photos of the spring eye gaps were shot from above, see photos for details.

- Pictured on left is the East spring eye, on right is West spring eye. Last photo is of the blank off its installed in place.

Removed "suck tube" filled with active/contaminated water from top of 1A beam line blocks to meson extension hall warm cell lab. Highest activity recorded was measured at 22mSv on contact, 2000µSv @ 1/2 m. Tube was bagged and craned over to warm cell lab for temporary storage and will be dealt with at a later date. See work permit 2013-12-12-2 for more details.

Disconnected and removed beam tube from 1VQ4, 5, 6. 

- Q6 end had transition end removed with pin drive driven into the retracted position and left behind but indium joint was still intact.

- Retracted the pin drive from Q4 end and proceeded to drive apart joint using reversed pin drive. The joint was stuck and did not come apart using the drive out mechanism. The beam tube end was then pried apart leaving some indium stuck on the knife edge of the beam tube. The indium had to be "severed" to removed the beam tube. The aluminum carrier ring was left on to the adjacent device (IVM3). The hook collar was then removed and beam tube with transition flange (v flange to 4" indium) was then fully removed at this point.

- Aluminum carrier ring was then pried off the flange of the adjacent device, IVM3. The "fin" on the carrier ring was mostly bent after this operation. Most of the indium remained on the ring. Some scraping and cleaning of the flange and knife was needed.

- The beam tube + stuck on transition flange and indium carrier ring are being stored in the vault basement. Fields were 30 µSv @ 1/2m.

- A pin drive and hook flange were left behind bagged under the staircase near the 1VQ4,5,6 area for the subsequent installation of the new beam tube section.

Link to RPG survey map of work area here: https://documents.triumf.ca/docushare/dsweb/Get/Document-86363/dspage03692340282615393127.pdf

Fields around joint were 140 µSv on the south side of the joint, 850 µSv on the north side.

1VQ4 & 1VQ6 beamtube was installed by UCN group. RH provisonally installed aluminum indium carrier ring with no indium into joint space with clamping collar and pin drive. Joint is currently connected but not vacuum tight. Joint will be sealed with indium at a later date, tbd.

RH bridge has been set up over T1 to Q1Q2 area, see images for radiation survey of work area. Joint is still intact, work will commence tomorrow.

UCN T1 work continues:

- Retracted Q1 T1 pindrive, took 34.5 turns. Pins left bolted to T1 monument.

- Freed Q1 to T1 indium joint ring. Tried to collapse Q1Q2 vacuum box with pneumatic system and it did not work. Air cylinder appears to leak through the piston ie. connect air line to one port, air is heard coming through the other port with no motion.

Indium sealing ring currently left loose between T1 and T1 flanges while a method is found to collapse the vacuum box.

Work continues on T1 M13Q1 joint:

- Discovered some sort of vacuum box brace restricting the collapse of the vacuum box when the air cylinders were actuated. Upon closer observation the air cylinders appear to work, unsure if the "retract" and "extend" port markings work as labeled.

- The brace appears not to be removable, further investigation of this piece is required.

- It is believed the piece is two plates attached to a ring surrounding the central bellows with a bar on the top to facilitate rotation of this blocking device.