Week of July 5 and 12, 1999

HAPPENINGS:

TOO MUCH!
I'm sure that there are things that I've forgotten to include in this
message - both in the HAPPENINGS section and the ACTION ITEM section.
There's a lot going on right now, so I will, and everyone else please feel
free to, post questions, comments or additional ACTION ITEMS via e-mail.

MST VENT AND HOLE DRILLING
MST personnell are vacuuming the chamber today. Drilling efforts are
expected to be finished later today or tomorrow. Diagnostics are to be
installed or blanked-off starting tomorrow, with pump-down scheduled for
next Wednesday. MST is aware that we will need another vent to install
our PBL gate-valve.

PRIMARY BEAMLINE TRANSITION CHAMBER AND SWEEP PLATE ALIGNMENT
I have checked the alignment of the sweep plates within the spool section
installed onto the hemisphere of the primary beamline transition chamber.
I have done this using a theodolite centered above the MST core. My
assumptions in making the measurement are - the sweep plates are parallel
to one another, the sweeps are centered within the chamber, the theodolite
is centered above the core and level, the hemisphere has a three degree
tilt. The procedure for measuring the angular deviation of the plates was
- measure the distance of the top of the plates from the machine surface
(15"), calculate r sin theta = 15 sin 3deg = .785", mark the top edge of
the plates at (center - .785"), these two marks should align on a poloidal
plane, assume the marks at (center - .785") are accurate (radiused edge
and position within the chamber causes a bit of difficulty). The poloidal
mark on the plate furthest from the core is at 38 deg, 19 min, 0 sec
(arbitrary zero degree mark), the poloidal mark on the plate closer to the
core is at 38 deg, 15 min, 0 sec. A difference of four minutes.
In other words when sitting on the core and looking at the plates within
the transition chamber, the poloidal point on the plate furthest from the
core is further to the right than the poloidal mark on the plate closer to
the core. If my understanding of degrees, min, sec, is correct, this
translates to 1/15 of a degree as measured from the core of the machine.
I am sure of the above statements, the following statements, I've only
just quickly thought through and calculated - they are estimates.
Assuming an average distance of the theodolite from the plates of 177 cm,
That's a
.1 cm displacement of each plate's poloidal point from a centerline axis
separating the plates. The top surface of the plates are approx 4.75"
appart, which translates to a hemisphere rotation of .95 degrees in order
to align the poloidal marks on the plates with a poloidal plane. KEN,
would you recalculate this quantity. Rotating the hemisphere is
doable, but my gutt feeling is that with all of the possible errors,
including centering the theodolite to get an accurate measurement, we are
very close to poloidally aligned. If we loosten the threaded rods
holding the hemisphere to MST and try to rotate the hemisphere, we will
not necessarily, once everything is tightened down again, be any closer to
both marks sitting on a poloidal cut. Please e-mail today if you
disagree with any of the above statements, or feel additional alignment
efforts should be made. Current plans are to blank off the transition
chamber tomorrow (Fri.) using the reducing spool section of the PBL.

GATE VALVE AND BELLOWS
The gate valves for both the primary and secondary beamline check out okay
by Uday. The bellows for the primary beamline also seems to be fine.
Uday, please generate a final drawing of the bellows and make note of the
machining/welding which was done to fix the problems. Please make sure
that John, Paul, yourself and I all have copies for our files.

STACKS AND DIVIDERS
Paul sent additional info via e-mail earlier in the week regarding the
dividers.

PRIMARY BEAM LINE SUPPORT STRUCTURE
Progress is being made, though not as quickly as I had hoped. My new,
optimistic hopes are that it will be done some time next week.

HIGH VOLTAGE ENCLOSURE
Uday is continuing to work on the enclosure.

HIBP GROUNDING
No progress yet from this end - have been focusing on other things.

POWER REQUIREMENTS
See previous e-mail from Paul and Uday.
Isolation Transformers - type used here requested of Uday by Paul. Paul
will order them.

PRIMARY BEAM DETECTORS AND ROTARY DETECTOR
Lei hopes to finish installing the rotary probe next week. Lei, vacuuming
is taking place today.

APS ABSTRACTS
A copy of Kens e-mailed abstracts was given to Stewart on Tuesday.
At yesterdays hardware meeting Stewart instructed the group to progress
with suggested changes (he did not suggest any changes to ours) and submit
them to APS. I believe the deadline is July 21. He also suggested that
requests should be made on the submission for presentation with the MST
group of posters.

RACKS, PANELS, POWER-SUPPLIES
(Also, See Uday's action items below)
A bit of discussion regarding racks and mounting of equipment.
I'd like Uday to coordinate which panels go in which racks, where the
racks are to be located and where power supplies are to be mounted. The
one caveat to this is that at this point I do not want any discussion with
MST staff, including Bill or Tom Lovell, regarding mounting the power
supplies onto the support structure or near or on the bridge to the
analyzer. We can make accomodations for this once the structures are in
place and I do not want to distract either person from their immediate
goal, or complicate the immediate job at hand. Regarding the PBL support
structure, a list of supplies to be mounted off of the structure is
sufficient at this time. And, No, Tom is not yet working on the bridge -
this can happen at a later point in time, and I may request that Bill do
this job.
I'd like for this discussion and coordination to take place via e-mail.
We all need to know what is going where, and
Lei and I both need to know how the current plans are progressing should
we be questioned by MST personnell. We need to know what floor space
is being requested - one of the deck drawings with simple boxes, or such
indicated on it are sufficient. Also, mount the panels into the racks
that will be sitting on the deck(s). Do this so that the racks can be
lifted
with a crane. This may mean reinforcing the racks (I don't know). Don't
worry yet about the mounting structure that will hold supplies to the PBL
support structure - this can happen once the structure is up. Just have a
detailed list of what needs to be located near which chamber on the
support structure.

SCHEDULES Any firmer idea of travel dates (Ken, Paul, John)?

IMMEDIATE
ACTION ITEMS
_____________________________________________________________________

LEI

WEEK of 5/24/99
Check out assembly of cross-over sweeps
into primary transition chamber complete
Finish rotary probe in-progress

WEEK of 6/7/99
Install primary beam detectors complete
Install cross-over sweeps into transition
chamber spool section (will need to
take a HV connector out of one of the
Treks) complete
Explore and design scheme for mounting
power supplies under the HV deck complete
(a dimensioned drawing needs to be
given to Tom Lovell before
construction or installation);
install supplies
Install available equipment into HV in-progress
enclosures

WEEK OF 7/5 AND 7/12
Talk to John about mounting and aligning
the primary beamline sweep plates
Help packing and shipping stuff from Troy
to Madison if you have the time.
Grab the torque wrench while you're
there.
Mount and align PBL sweep plates
Help installing primary beamline chambers
_____________________________________________________________________
UDAY

WEEK of 2/1/99
Update/Complete list of HIBP control/readback/
status signals in-progress
Assemble electronics for secondary vacuum
controller

WEEK of 3/1/99
Finalize control system voltage specs in-progress

WEEK OF 3/22/99
Request vacuum parts needed out of Tx. (requested of Paul)

WEEK of 5/24/99
Clean secondary gate valve and assemble with complete
secondary transition chamber for leak
checking

WEEK OF 6/7/99
Install HV enclosure in-progress
Install HV enclosure in-progress
Supply Bill with weights of available
equipment which will be installed
in the enclosures.
Assemble secondary beamline vacuum interlock
Help Lei with installation of HV
equipment in-progress

WEEK OF 6/14/99
Order gaskets for Lg flanges complete

WEEK OF 7/5 AND 7/12
Leak check gatevalve for PBL
accelerator (requested by Uday)
Lead discussion re. installation of
SBL magnet holder and magnets.
Do we install now or at a later
vent?
Estimate number and order stainless
bolts needed for primary and
secondary beamlines.
Order enough 1/4-28 nuts and 1/4"
washers for the insulating breaks
of both the PBL and SBL.
Rack organization, location and
population (See above)
Type of isolation transformer used
by MST to Paul.

_____________________________________________________________________
DIANE

WEEK of 2/1/99
Work on Particle Transport paper NOT-in-progress

WEEK OF 6/7/99
Test install SBL transition chamber
Radiation monitoring in-progress

WEEK OF 7/5 AND 7/12
Help with installation of PBL support
structure.
Blank-off HIBP ports
_____________________________________________________________________
PAUL

WEEK OF 7/5 AND 7/12
Bug Diane about grounding issues.
Order isolation transformers.
_____________________________________________________________________

JOHN

WEEK OF 7/5 AND 7/12
Send remaining equipment for PBL from
Troy to Madison.
_____________________________________________________________________

KEN
WEEK OF 7/5 AND 7/12
Double check estimate of angular
displacement of PBL cross-over
sweeps

Feel free to contact me by phone (608) 263-2967 or email (diane@hibp)
at any time.

Diane