Alcator C-MOD Weekly Highlights
			August 21, 1995


The scheduled upgrade and maintenance interval on Alcator C-MOD continued last
week. Good progress was made toward readying the machine for the next operating
period. 

All of the inner wall tile modules have now been re-installed in the machine.
The new upper gusset protection tiles were received from the vendor, and final
machining of these has been completed; the gusset tiles are now being cleaned
and readied for installation. 

All of the igloo blocks have now been reinstalled around the machine. All
vessel heaters and thermocouples have been reconnected and are undergoing
checkout.

Testing of the pre-prototype cryopump module is proceeding. Initial
indications are that the heat load and boil-off rate is within the predicted
range.

Work on the "new" (former Alcator C) EF4 supplies is proceeding well. All of
the new control boards are done and undergoing tests. Wiring of the control
cabinet is proceeding, including addition of CAMAC equipment. A PLC/PC station 
has been set up and control logic development begun. Wiring of 13.8 power to
the new transformer has begun and the sharing resistors for the AC bus have
been installed. 

Five spectrometers have now been reinstalled in the Thomson scattering
diagnostic, following calibration. Four of the spectrometers had been in
place during the previous operating campaign; one new instrument has been
added. A sixth spectrometer is presently being assembled.