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Cables arrived in the middle of December and we spent the next 10 days running cable all around KamLAND. At the same time, the LED calibration system was installed.
We had three crates of cables delivered to the mine. Kengo couldn't believe the amount of cables that arrived!
December 15, 2000
The last crate is hoisted off of the truck
December 15, 2000
Jason and Neil open the crates to unload the boxes of cables from within
December 15, 2000
After freeing the boxes from the crates, they get loaded into the mine rovers for transport into the mine
December 15, 2000
Kengo and Jason work together to pass down the High Voltage and Signal cables for the six PMTs on each column
December 16, 2000
Jason works a cable between the scaffolding and the structure
December 16, 2000
Neil and Professor Gould work on bundling the cables to the support structure for the side PMTs
December 17, 2000
Neil and Jelena take up any slack in the cables before passing the slack cable up to the top level of scaffolding
December 17, 2000
Neil and Jelena work to finish the bundling of cables for one column of PMTs
December 17, 2000
Jason works several coils of cable along the PMT structures to one of the cable holes
December 17, 2000
Neil gets ready to pass up a coil of cable through a cable hole
December 17, 2000
Neil and Professor Gould pass up yet more cable through the cable hole
December 17, 2000
Professor DeBraekeleer waits for more cable to be passed up
December 19, 2000
In all, we passed over 500 coils of cable through two cable holes in 3 days
December 19, 2000
Kengo on the top level waiting for cables from below
December 19, 2000
Diane heatshrinks the connection of cables together
December 19, 2000
An "A" PMT that has been installed, cabled, and heatshrunk
December 19, 2000
A closeup of the "A" PMT that shows the heatshrink around the cables
December 20, 2000
Jelena and Professor Gould try to find somewhere to place all the cables that have been passed up from below
December 20, 2000
Finding space near one of the cable holes
December 20, 2000
Neil, Kengo, and Professor DeBraekeleer hook up a set of voltage cables for PMT testing
December 21, 2000
Professor Gould organizes cables to be lowered through the cable holes for the bottom level PMTs
December 23, 2000
Diane lowers cable through the hole while Professor Gould looks on
December 23, 2000
Organizing the cables as they come out of the cable hole will not be easy
December 23, 2000
Finally, with the completion of the Tyvek installation continuing in January, only the LED calibration system needed to be installed.
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Last updated: June 13, 2001 jamessim@tunl.duke.edu