The Project Control Meeting
for Monday August 24, 1998 will be
a Cost and Schedule Review
(Meeting time: 10:30 am Pacific Time)
Barry will chair this meeting.
Special Items:
From: "gerry" <gerry@ligo.caltech.edu>
Date: Fri, 21 Aug 1998 09:52:28 -0500
WBS 1.1.1 Vacuum Equipment (Allen Sibley)
PSI has installed the last GNB gate valve in the LVEA. All
vacuum equipment
is now installed, aligned and grouted.
PSI is currently working to complete
all the utility piping in the xarm end station, with the anticipation
of
starting to begin vacuum pumping next week. Work in the LVEA and y
arm end
station continues on schedule.
Preparations an underway to procure all the parts PSI would need to
penetrate the BT on the x arm mid station for the repair of the GNB
valve,
if LIGO gives permission for the proposed PSI plan of installing
a man way
at that location.
WBS 1.1.2 Beam Tube (Cecil Franklin)
LA."Y" ARM
1. CBI craftsman labor has completed the installation of all four (4)
Main
Turbo Pumping Carts, along the "Y" arm B/T.
2. Due to a high gas load at the Mid-Station Turbo Pumps (Mid-Station
reading 5*E**-5.). CBI requested LIGO & PSI personnel to close
the GNB 48"
gate valve. This would allow CBI to make a diagnose of the B/T
for the
additional gas load source.
3. PSI & CBI personnel leak tested the annulus valve gate piping
after the
valve was closed, and found 3 ea. CF flanges leaking. PSI personnel
are
investigating the best way to proceed with the repairs of the CF flanges.
4. Due to a problem with the Maine Turbo pump at port #10 shutting down
for
no apparent reason. CBI has requested LIGO to supply them with a replacement
Main Turbo Pump Cart. CBI craft labor are in the process of changing
out the
pumps. LIGO personnel will make a diagnosis of the broken pump cart
and if
needed it will be shipped to Edwards for repairs.
LA."X"ARM
1. CBI craftsman labor has completed the re-installation and helium
leak
testing of all "H" hardware along the arm.
2. All work site along the arm have been cleaned by CBI.
Washington Construction (Otto Matherny)
Levernier
All the outstanding items are complete.Levernier has completed
their contractual obligations. At the
present time we are
reconciling all the payments and credits
for the final
payment.
(No change this week)
OTHER ITEMS
The State Health Department, with King
Soft Water and JUB
Engineering are trying to resolve the
potable water issue.
King soft water has taken samples (again)
of the water that
went through the reverse osmosis system
and also the brine
that is discarded. Depending on the
results the State Health
department will issue a ruling on the
water purity and the
mode of the brine disposition.
The CCB approved $734K for the Hanford
Staging Building.
Constructing will start as soon as we
get NSF approval.
Livingston Construction (Gerry Stapfer)
The paving of the Y-arm has been completed. The contractor is fixing
the
several areas along the X-arm which had not yet been paved and is starting
on the parking lot.
Several subcontractors are cleaning up punch list items, the major one
being
the fire pumps and the water integration system.
The incoming power from DEMCO is still holding
at about 1% phase to phase
voltage differential. The HVAC system seems now
to be running normal.
The State of Louisiana seems to have misplaced the funding for the
completion of the access road. Skip Smart has been in contact with
the
appropriate people and will brief me on the situation this Friday.
It
appears that until this situation has been resolved, construction of
the
road is being delayed.
Date: Thu, 20 Aug 1998 19:29:45 -0400
From: David Shoemaker <dhs@ligo.mit.edu>
----------------------------------------------------
DETECTOR GROUP -- Whitcomb/Shoemaker
(WBS 1.2, 1.3)
----------------------------------------------------
-----------------------------------------------
Implementation Group -- Mark Coles/Fred Raab
-----------------------------------------------
40m (Jennifer Logan)
--------------------
We had a very fast turn around vent to replace the in-vacuum Pockel
cell, venting the system on Thursday and pumping back down on Friday.
This has enabled us to recover our input light power. We have finished
determining the resonant frequencies of the different suspensions and
carefully setting up all the damping for the different masses.
We have
again started to look at the source of power fluctuations in the power
recycled Michelson. It would appear that the South Vertex is
the prime
offender. As noted last week we have been working on improving
the BS
servo to help alleviate this problem.
We are very pleased to have Raffaele Flaminio
joining us in the lab
once again for one month.
----------------------------------------------
Interferometer Sensing and Control -- M Zucker
(WBS 1.2.1.1.6, 1.2.1.1.7)
----------------------------------------------
ISC fabrication (Zucker for Smith, McInnes, Mason)
------------------------------------------
Ken Mason is on vacation this week.
WFS tables: Matt has issued about 3/4 of the procurements for IOT1/7.
Glass and crystals are all on order, as are all the standard
mechanics; a few special machined adapters are the long pole in
the tent.
CrystaLaser claims to be shipping our IR test/alignment laser today.
IAS: Myron has assembled a first article of
- optical lever transmitter assembly
- optical lever receiver assembly
- video camera housing
- chamber illuminator housing
Fit and finish checked out OK in each case.
Blue Sky reports they have shipped the first ten of the (overdue)
optical lever lasers.
ISC controls implementation (Fritschel, Mavalvala, Ware)
---------------------------------------------------------
no reports received.
-------------------------------------------
Lasers and Optics -- J. Camp
(1.2.1.1.2, 1.2.1.1.3, 1.2.1.1.4,1.2.1.1.5)
--------------------------------------------
Prestabilized Laser -- Peter King
--------------------------------------------
- All the VME-based servos for the PSL have been installed.
- The PSL remains locked to the reference cavity. Signals from
a signal
analyzer (0.2 V, 10 Hz - 100 kHz) into the frequency shifter's voltage
controlled oscillator (VCO) input do not cause the PSL to lose lock
to the
reference cavity.
- The temperature of the reference cavity was changed by approximately
30
degrees Celsius by changing the set point of the temperature stabilization
servo. For approximately an hour after the change of the set
point, the
frequency stabilization servo tracked the change in the reference cavity
temperature and the PSL remained locked to the reference cavity.
- The pre-modecleaner (PMC) has remained locked to the laser, whilst
the
laser was simultaneously locked to the reference cavity, during overnight
runs.
- The intensity stabilization servo utilizing an acousto-optic modulator
has
been installed and tested. Preliminary in-the-loop intensity
noise
measurements suggest that the servo has the required performance.
- The PSL has been operated with all four servos running simultaneously:
the frequency stabilization servo, the PMC servo, the intensity servo
and
the temperature stabilization servo.
Update: all four servos remained locked overnight.
The stabilized
laser power was constant during an the overnight run.
# DHS: that all sounds VERY good.
Input/Output Optics -- Dave Reitze, UF
-----------------------------------------
Installation -
UF has three persons at Ligo Hanford Laboratory this week: Alexander
Gorlenko, Guido Mueller, and David Tanner. In addition Haisheng Rong
(LHO)
and Malik Rakhmanov (Caltech) are contributing to the IOO installation.
The mechanical parts of four small optic suspensions have been assembled.
There were problems with galling of the UHV clean stainless screws
into the
stainless and aluminum parts, alleviated by a switch to silver-plated
stainless screws from U-C components. We expect to assemble the remaining
suspensions this week.
There is a problem with shedding of particulates by the conductive black
teflon safety stop screws which are used in these suspensions. We looked
at
screws that had been cleaned and baked at Caltech (some made at Florida
and
some from Caltech) and also some of the extras that were made at Florida
(which had not yet been cleaned). All showed considerable ultrafine
black
dust when wiped with a white cleaning cloth. Moreover, repeated cleaning
in
an ultrasonic bath did not improve any of the tested screws. The optical
microscope showed considerable porosity and flaking of the material,
particularly where it had been threaded. It seems to me (Tanner) that
this
material is not going to be satisfactory.
# DHS: This clearly needs attention.
The cleaned mounts for the fixed mirrors mounts in the vacuum system
(HAM7)
have been recieved from Caltech; assembly should begin this week.
We have begun to mount the mechanical optical components (posts, irises,
lens mounts, mirror mounts, and alignment stages) for the IOO part
of the
PSL/IOO table on the table, following to the CAD drawings of the design.
A
few parts are not recieved from vendors, but otherwise most of
this work
also should be complete this week.
Bullseye measurement:
Progress has been made! By increasing the dither range of the
mode
matching lens to 3 mm and very careful alignment into the cavity, the
magnitude of the TEM20 signal is now as large as the misalignment signal.
Refinements now underway include putting a pre-mode cleaner to clean
up
the input beam mode. (One of the problems the table top faces
that the
LIGO bullseye detector won't is the misalignment signal. The
table top
has no active correction of the TEM01 mode, which will be implemented
in
LIGO)
Optical Testing:
Measured the transmittivity of a high reflectance mirror manufactured
by
Research Electro-optics, Inc. Place the mirror on the optical path
of our
10 W YAG laser at the incident angle of 45 deg and measured the
transmitted power by a photo-diode (EGG FND 100) that has been calibrated
using a coherent power meter. The average of several runs shows that
the
tranmittivity is 5.65e-6.
In addition, to check the above result, replaced the high reflectance
mirror by a combination of a neutral density filter and an optical
wedge
whose transmittivity and reflectivity are respectively known, and measured
the power transmitted through the neutral density filter and reflected
by
the optical wedge at the same input power as above. From the ratio
of this
power and above measured power and the known transmittivity and
reflectivity of the neutral density filter and the optical wedge, the
transmittivity of the high reflectance mirror is estimated to be 5.61e-6.
Core Optics Procurement and Metrology -- GariLynn Billingsley
-------------------------------------------------------------
The ground glass assembly was replaced again (3rd time) in the WYKO
6000
(aka IR interferometer) The new motor showed signs of impending
failure
within 24 hours of being installed. The motor had run at Veeco
for a 48
hour burn in before being shipped to Caltech.
The 6000 also showed ghost fringes which may be due to insufficient
baffling of the second surface reflection from the transmission flat.
Finally, approximately 1/3 of all difference maps (the difference of
two
consecutive data sets) showed a repeatable artifact of roughly 8 nm
in
magnitude and covering about 15% of the test area. We have elected
to send
the instrument back to Veeco for repair. Veeco has arranged for
a 633 nm
system to be loaned to us in the interim.
Data for the 2K ITMs has arrived from CSIRO, these pieces are now at
REO
awaiting coating.
Core Optics Coatings -- Helena Armandula
--------------------------------------------------
REO Contract - COC's coatings- Nothing to report. This week REO has
been
coating UFL substrates.
Optics cleaning procedures: They have been finalized and submitted
for
incorporation into the LIGO-E960022-A-E document. Next week I'll be
at
Handford implementing the cleaning procedures while training the UFL
folks.
Done some more work on indium bonding. It works good when it works,
but have
problems getting uniform results.
Core Optics Support -- Michael Smith
------------------------------------
GUOY PHASE UNCERTAINTY:
M Smith has completed an analysis of the Guoy phase uncertainty due
to the
focussing tolerance of a perfect PO telescope. The analysis indicates
that
if the PO telescope is focussed with an autocollimator, then purposely
defocussed by a specific small amount the Guoy phase uncertainty of
the
delivered PO beam wil be within +- 5 deg. It still remains to be checked
with the Zemax program what amount of wavefront distortion will be
introduced as a result of the defocussing.
BEAM-DUMPS:
A. Bagdalian is continuing the ACAD placement of
beam-dumps in BSC 7. The prototype double beam-dump prototype has been
completed and assembled for evaluation. The mounting structure will
be
completed by the end of next week.
ITM BAFFLE:
A. Rosa is revising the 3D layout of the ITM baffle and support structure
in the spools WBE5 and WBE6 in preparation for detail drawings of the
piece
parts. AutoCad draftsman candidates are being interviewed, who will
carry
out the detailing.
TEST EQUIPMENT:
IR AUTOCOLLIMATOR
M. Smith and J. Kern have demonstrated that an alignment telescope
with a
projected reticle can be used to align an object at a distance of 26
meters
to an accuracy of < 0.015 inch. The test was performed in green
light. A
bright infrared illumination source at 940nm is being developed to
illuminate the reticle. M. Smith has completed a write-up of the COS
PO
telescope pre-alignment and the on-site COS alignment procedure using
the
alignment telescope.
--------------------------
Isolation Group -- M. Fine
--------------------------
Seismic Design (Mike Fine)
--------------------------------------
1. Scissors Table Testing:
The scissors table testing is continuing. Hytec is currently finishing
up
the hysteresis testing and found that the aluminum table exhibited
some
galling after only 200 cycles. The steel and stainless steel
tables did
not exhibit this behavior. The scissors table testing is nearing
completion that is expected early next week.
2. Assembly Design:
The maintenance fixtures for the BSC bellows are being fabricated by
Hand
Machine and will be ready on 8/21. A BSC bellows compression
clamp has been
modified to allow for 2 more inches of compression. These parts and
the
sequence will be tested at Hytec by the end of this week. A new BSC
spring
centering jig has been designed. Hytec is getting a quote on the cost
of
fabricating two units.
Suspension -- (Janeen Hazel/Mark Barton/Mike Fine)
-------------------------------------------------------------------
1. LOS Assembly Fixture:
Schober's should finish up delivery next week, except for the new
clamps. Janeen finished the fixture drawings and sent Schober's
an RFQ today for the remaining fixtures. The same RFQ was also
sent to Superior Jig.
---------------------------------------------------------
Detector Systems Engineering -- D. Shoemaker/D Coyne
(WBS 1.2.1.1.9)
---------------------------------------------------------
Global Diagnostics System
(Rolf Bork, David Shoemaker, Daniel Sigg)
--------------------------------------------------------------------
Received the time conversion code from Serap T. and integrated
it into the GPS/VME driver. To work properly the GPS slave modules
have to be initialized with the correct year information at boot
time.
Was able to compile part of the NTP (network time protocol)
software for MIPS/VxWorks. This might be used to get the year
information from an NTP server. However, testing had to be
postponed due to the (current) lack of NTP services on the LHO
CDS net.
Cleaned up installation scripts and wrote some documentation
on how to use them.
Physics Environment Monitor (Alex Marin)
-------------------------------------------
We are finalizing the plans for the installation of the PEM on the
2km Hanford IFO. Most of the PEM subsystems are now
ordered and some already delivered at the sites. The only subsystem
which is still under the investigation is the seismic sensors. The
decision will be made soon, based on the 1st SEI/HAM-PEM results,
which are now annalyzed.
New cost effective PEM plates were ordered. Matt is also working on
the
design of the interface plates for the Y1 Beam Tube PEM sensors.
Optical Contamination (Daqun Li)
--------------------------------
After reporting no data change over and over on contamination
cavities, this week a significant change in ringdown data is
occurring for both cavities two (loaded with viton seals) and
three (empty) with a positive slope of 0.023 microsecs/day,
yielding ~3 ppm decrease in cavity total scatter and absorption
losses in 2 weeks. Whilst still no obvious change observed in
ringdown
data of cavity (loaded with Vac-seal). What is happening in both
cavities two and three may indicate that the cavity stored
light beam is gradually washing off residue from the mirror surfaces
and this leads to suspecting the cleaning procedures used (the
mirrors in cavity one were cleaned with one cleaning procedure;
and the mirrors in cavities two and three were cleaned with a
different procedure). These are the new data since we introduced
cleaning procedures to our cavity mirrors whilst all the previous
testings were carried out without cleaning the cavity mirrors.
Investigation into this matter is underway.
As for the scatter measurement on a CVI 3" optic with the
scatterometer installed in the Loss Scanner, it was found that the
scatter signal has a large directional or spatial property
because one of the six scatter detectors normally receives at least
four or five times more intense scattered light than the rest
detectors, even if the scatter surface of the mirror is aligned to
be paralell to the detector housing and the incident beam is centered
into the detector hexoptic housing. A new set of REO mirrors
is
expected to arrive and planned to be tested similarly.
-----------------------------------------
Control and Data System -- R. Bork
(WBS 1.2.2)
-------------------------------------------
Installation Update
===================
- Hanford
- PSL start install: September 9
- Control room furniture: due by end of August
- IO ASC/LSC start install: September 29
- IO Suspension cabling start install: as cable tray/HAM7
available
- IO Suspension rack (2X4) is
complete with the exception of SOS
chassis
installation. The chassis will be installed after the DAQ whitening
daughter
cards are complete.
- WA2K COS suspensiion rack (2X14)
cross connects are complete and in
Hanford, but need to mounted in the rack.
- Livingston
- Fibre optics start install: Sept. 28
Data Acquisition
=================
- Still working with VMIC on Sun reflected memory board driver problems
(work on
Ultra 10 but not multi-processor Ultra60/Ultra450).
Suspension
===============================
- Testing of SOS controller chassis continues.
- A prototype of the whitening filter for the SUS coil signals is being
tested.
The filter is a 6th order Cheb1, 0.5 db ripple, 30Hz LPF cascaded with
a 2nd
order, 1KHz butterworth LPF.
- We will go back to Hanford ~9/15 to help UF run the SUS test stand
the
first
time.
IOO
===============================
- The software and cross connects for the demod board test setup are
90%
complete. The board should be tested by 8/28.
- The steering mirror, IO ASC whitening, and IO ASC servo amp boards
are
stuffed
nd ready for test.
- 2 WFS PD boards have been stuffed and are waiting for PDs for testing
to be
completed.
- 3 optical lever PD boards have been stuffed and tested.
- System drawings are on hold for component designators to be assigned
by the
ISC group.
Input Optics:
=============
The MC demod board is still in PCB layout phase. The second board is
still
on hold until we have time to get back on it.
Timing System:
================
Readout time word format is settled with JXI. The first Clock Fanout
board
is in Fab. The second level fanout in ready for fab as soon as we change
a
connect that turned out to not be available. And the Clock Test module
is
almost complete and ready for fab. About half of the parts are here.
The
rest were recently ordered and should be here soon.
| CR-980031 | WBS 1.1.2 | Beam Tube Taxes, Cleanliness Tests, Clear Caps, and Work Stoppages | L. Jones |
| CR-980032 | WBS 1.1.2 | Beam Tube, Purchase of Equipment Used for Fabrication and Potentially Useful during Operations | L. Jones |
| CR-980033 | WBS 1.2.1 | Detector Installation Travel for 1998 | S. Whitcomb |
| CR-980034 | WBS 1.1.4 | Hanford 5000 Sq. Ft. Building plus Mezzanine (Addition to CR-980003) | O. Matherny |
| Action No. | Description | Responsibility | Assigned Date | Due Date | Priority |
| 1 | Prepare Operations Work Plan Budgets for FY 1999 Proposal | Lindquist | August 6, 1998 | August 27, 1998 | Medium |
| 2 | GSA Vehicles for Hanford | Chargois | August 6, 1998 | September 10, 1998 | Medium |
| 3 | Vehicle Safety - Incorporate into Orientation Process | Coles, Raab | August 6, 1998 | September 3, 1998 | Medium |
| 4 | Proceed with Credit Cards for Sites | Jasnow | August 6, 1998 | September 10, 1998 | High |
| 5 | Determine how we pay BO tax due State of Washington | Jasnow | August 6, 1998 | August 27, 1998 | Urgent |
| 6 | Research FMCS Specification | Matherny | August 20, 1998 | August 27, 1998 | High |
| 7 | Funding for Louisiana Access Road | Stapfer | August 20, 1998 | September 17, 1998 | Medium |
Assisted the Optics Engineer with the shipment of two (2) Beamsplitters Blanks to National Institute Of Standards and Technology (Attn: C. Evans) scheduled delivery date 8-18-98, delivery confirmation received. (Acct# 5F514)
Assisted the System Administrator with packaging and shipping of a Disc Drive serial number 6703439 for repair to Exabyte Corporation (Attn: J. Boyle) scheduled delivery date 8-18-98, delivery confirmation received. (Acct# 5N510)
Assisted the Detector Group with the shipment of a Magnetometer to LIGO
Hanford Observatory (Attn: D. Tanner) delivery confirmation received. (Acct#
5F518)
Assisted the Optics Engineer with the shipment of one (1) carton to
the University Of Florida (Attn: D. Reitze) Scheduled arrival date 8-20-98
delivery confirmation received. (Acct# 5F514)
A Liaison meeting was held on 8-18-98 between E. Jasnow, E. Chargois and the New Caltech's Property Head (Tom Mclochlen) to ensure that LIGO was in compliance with Caltech's Property Policies and Procedures.
A total of five documents were electronically submitted to the
DCC. They were reviewed and placed on-line. Also, a total of
79 documents were added to the database. The following figures represent
the breakdown by category:
| C | Contractual/Procurement | 38 |
| D | Drawings and CAD | 37 |
| E | Engineering Documentation | 1 |
| G | Graphics/Presentations | 1 |
| L | Letters | 2 |
| M | Management/Policy | 0 |
| P | Publications/Formal Notes | 0 |
| T | Technical Notes, Informal | 0 |
ACTIVITIES
>From: Kris Duncan <kris@ligo.caltech.edu>
[We are planning to do a cost/schedule review at the Project Control meeting scheduled for Monday, August 24, 1998 at 10:30 am PDT. -pel]
Updating the July 1998 reporting database with earned value and schedule
input from the task managers. Completed the file upload of actual costs
from CIT finance into COBRA. Completed the reconciliation between
CIT finance reports and LIGO
reports.
Completed and distributed EAC worksheets for July 1998 to task managers.
Received partial EAC inputs from task managers and entered this data into
COBRA. Where no input was received, the EAC remained unchanged from
last month except in
cases where the actuals to date exceeded the EAC. Please review
the EAC information carefully. There is $ 11.4 M contingency remaining.
Distributed draft CPR's and SPA graphs to task managers for review prior to the Cost/Schedule review planned for Monday, August 24. Preparing presentation materials for the review.
Produced a final copy of the Level One Milestone Chart, with minor revisions. Dates for the ASC and LSC FDR were altered to reflect their true completion dates rather than their baseline dates which had been used when the "no change/on track" status was received.
Schedule has been hard archived and is in the process of being electronically archived. Currently standardizing templates and filters prior to the storing of the schedule file electronically.
Detector plots have been formatted and printed. Will be distributed (hung) prior to the Cost/Schedule meeting on August 24, 1998.
Acme has rejected Caltech's settlement offer concerning the lawsuit over LIGO's tax exemption. An appearance before a federal judge in Spokane has been set for September 17 to discuss the case. Sandy Pool will be in attendance, with Caltech being represented by trial counsel from the firm of Perkins Coie of Seattle.
LIGO QA is continuing (with L. Turner) to audit the contractor documentation
packages for completness and LIGO "useability". One goal is to assure that
all contract documentation is acceptable and will satisfy future LIGO's
needs. Documentation "guides/road maps" are/will be prepared to assist
in searching through the contractor as-built documentation.
1.4.3 System Enginnering
1.4.3.1 System Engineering and Integration (AL, BB, CC, JK, DC)
Bill Baldwin
Request for Proposal(RFP) for LHO Cable Tray Installation
Responses to the RFP are due to CIT on Friday, 21 August. There
are
expected to be four bidders. Bill Baldwin has done a should-cost
analysis
of the required installation. Bids are expected to range from
$80K to over
$100K for the approximately 3000 feet of trays required.
Baldwin has prepared DCNs to revise the installation requirements (drawings
and spec) to remove 300 feet of trays which will help reduce the
installation cost.
LLO Cable Tray Installation Spec and Drawings
Two weeks ago Bill Baldwin visited LLO to become familiar with the Vacuum
Equipment Installation at that facility. From Allen Sibley (LLO)
and Russ
Wooley (PSI) he learned that the Louisiana installation will be virtually
a
carbon copy of the LHO installation. Wooley has a 5-inch stack
of photos
of the Washington VE plumbing which he will use to guide the LLO installation.
Because the LA installation will be virtually identical to that in
Washington, Baldwin has created a draft spec for the LA cable trays
by
cutting down the current WA spec. Paul Kabot has finished a few
of the
drawings, including a first-ever isometric of the LA vacuum equipment.
Baldwin is red-lining Washington drawings to create drafts for Louisiana.
Paul Kabot
SEISMIC TABLE BALANCE WEIGHTS
Prints are out for quote of the production lot. Expect to
recieve 1000# (quantity required for first two HAM chambers),
by 10/15/98. Balance will scheduled for delivery soon after.
CABLE TRAY LAYOUT ILD'S
Vendor fabrication quotes are due today, and final rack
locations are just about known. Next week, corrected drawings
will be sent to the selected vendors for final
price adjustments.
Barbara Kratochwill
1. Met with Caltech Administrative Computing (ACS) about use of Oracle.
We
can have full use of Oracle version 8 engine (another academic department
is already doing this). Version 8 has been available about a
year. We can
also share in ACS' support package. We will need to buy licenses
for any
developer and reporting tools (we can buy Crystal Reports for reporting).
We also will need to pay for any training.
2. With Larry Wallace, installed updated web site. The installation
went
smoothly. Made a few fixes. Installed backlog of change
requests.
3. Installed changes to DCC system for Traveler forms. Included
a master
document report with 2 options for selection criteria and 3 options
for
sorting.
4. Helped Dot and Matt with the macros for purchase reqs. Ordered
a second
copy of WebBase for web access to DCC applications.
1.4.3.3 Modeling and Data Analysis (KB, HY, AL)
Biplab Bhawal, Ed Maros, Hiro Yamamoto
End to End modeling work
Alfi:
Ed finished modifications of alfi to handle mechanical modeling.
Adlib:
> Mechanical modeling
Ed continued work on creating the building blocks for the mechanical
modeling
system. After talks with Hiro and Matt, an approach of dynamically
creating
mechanical systems based on connections has been chosen. A step has
been added
to e2e for the construction of these dynamic modules. Currently work
is being
done to properly handle the data flow. Hiro did send Cella e-mail asking
a few
questions in regards to the data format of clamps.
> Single mode field modeling
There are problems found in the simulation of the recycled michelson
code.
Biplab and Hiro are working to fix the primitive and summation cavity
codes.
These problems are the ones known to exist in smac as well.
> Multi mode field modeling
At the LSC meeting, hiro met Ray Beausoleil and talk about the implementation
of the multi mode field. Ray pointed out some pitfalls we have to be
careful
when using tricks to speed up the simulation. Ray also promised to
send us the
code for the mode decomposition to simulate the thermal lensing effect.
Walid A. Majid
I released the Frame class library (Fcl) V1.00 for public use.
The code
and the documentation can be obtained at Fcl's web page:
http://www.ligo.caltech.edu/~wmajid/fcl/index.html
In the meantime I am continuing to study the techniques of Kalman
filtering.
David Farnham
One of the responsibilities of the generic API is to handle socket
communication between different computers. I have finished writing
the
c++ code to handle this. These commands interface with thc Tcl
layer
and allow one to manipulate sockets (including creating sockets/servers,
connecting sockets, obtaining information about connections, etc.).
Many of these commands may take a variable number of parameters.
Also,
error handling has been instituted such that these commands generate
standard Tcl exceptions when an error occurs.
I have also been working on the shutdown/restore commands for the
generic api. This is nearly complete. When the c++ portion
of the API
receives the shutdown command, it stores the state of all of its
connections ( flushing all of the streams ) and then closes them.
When
the restore command is received, the API recreates all of the
connections and restores them to their previous state.
1.4.4.2 General Computing (LW, TE)
MIT:
1. We are continuing to upgrade Sun workstations to Solaris 2.6.
Livingston:
1. Setting up the ULTRA 30 that has arrived.
Hanford:
1. A new General Computing Ultra 10 Sun workstation
arrived and has
been set up for general use in the Computer User's Room.
2. Continued the inventory and property tagging of all GC equipment.
3. Followed up on several orders. Placed several new orders.
4. Daniel Sigg has gotten Apache running on apex, the LHO mail/www
server, and has set up some GDS web pages. He is also checking
on what
needs to be done to get the e-mail set up.
CIT:
1. The original ligo machine (SUN 4/280) has been picked up and returned to SUN.
2. There is a patch for those using Eudora 4.0. The fix for Eudora is
located on
http://eudora.qualcomm.com/pro_email/updaters.html
3. Samantha worked on a PC that had dual boot Windows/Linux and hopefully
was
able to backup the Linux side. The unit no-longer boots to linux and
is being
setup for another user.
4. Multiple fixes on PC's mostly e-mail and printing issues. Samantha
worked
through a setup so a user could work from home.
5. Another exabyte drive has been sent in for repair.
6. Caltech safety has picked up a number of old batteries discarded
from the
laptops.
7. Samantha is working on getting the computer/user list put on an Applix
spread
sheet. (Found a great freeware program that allows you to hit the print
scrn on
the PC and it actually does that in win95, very helpful and convenient.)
8. Samantha called Micron to get the broken one fixed, Larry finally
had to call
inorder to get results
9. Samantha is shipping the trade-in units to SUN.
10. Suresh has moved the last of the users off of MANX and JAGUAR. Manx
has
been turned off and Jaguar will be turned off today. (GHS:
A milestone!)
11. Working on redoing the mail aliases. Too many different groups to
maintain
and we want lower the number.
12. Suresh has been doing daily backups on gsparc to take care of the
few
accounts left on that machine.
13. Working on FTP and TELNET cheat sheets for the users.
14. Suresh has installed the duplex hardware on the printer in Millikan.
The new drivers should be installed next week.
15. After replacing the ATM board and upgrading the OS on the FORE 3810
switch
in Millikan it appears the latency problem has been resolved.
16. Barbara finished the major changes for the new web pages. They have
been
installed on the web server and are now being used.
17. The network changes on campus have and will continue to cause some
minor
problems until everything settles down. Mostly, network activity dealing
outside
of the ligo net will have some performance issues.
18. Working through budget, procurement and GC plans for next year issues.
19. Moved multiple computers unix and pc workstations to accommodate
users.
We have not created any new accounts this week but the modification
of accounts
continues.
Irene Baldon
Arranged and processed the paper work for 16 trips to various locations. Completed some last minute additions and/or changes for the REU/LIGO/SURF Student Field trip to Hanford, WA.
Worked on the ever present backlog of Expense Reports.
Performed miscellaneous duties as requested by various members of the LIGO Project here at Caltech, as well as for members of the staffs of each of the two (2) sites.
Prepared and distributed the Weekly Travel/Vacation Itinerary Report for LIGO Staff and Visitors.
Processed Staff Payroll, incorporating various recent changes, new hires, terminations and the processing of Vacation/Sick Leave accounting.
Rita Torres
For I. Petrac did letter to CRDE (Moscow State Univ.), then FedExed along with change order No. 3 to the PO. Distributed change order No. 3 to March Metalfab.
For P. Lindquist did updates to original Ops program. Distributed material for CCB to take place 8/18/98. Did edits to forms for Ops and Advanced R&D programs. Distributed Ops & Commissiong program supplement, and Rev. B of the Advanced R&D program. Distributed end of May Quarterly Progress report; FedExed a set to NSF.
For W. Tyler updated safety procedure for Spool Removal.
Arranged another exit eye exam. Obtained office supplies for Wilson House, had these delivered to that address.
Helped assemble supporting travel documents, I. Baldon to follow through to completion and do applicable reimbursements. Set up conference calls for two meetings.
Elizabeth Wood
Wrote off on most of the changes for the sixth floor of Millikan. There are still a few minor (cosmetic) repairs to be made, in addition to the eventual arrival of some new chairs.
Got from the phone office the phone numbers of the analog lines up in Millikan.
Attended a meeting with Gary and Marty about the renovation of room 356 WB instead of 254 WB. There should be no problems.
Discussed with Gary the future space needs/wants/desires of LIGO with respect to visitors, postdocs, and employees.
Began attending a communication/teamwork workshop.
Dealt with the usual LIGO HR issues.
Dorothy Lloyd
No report
=========================================================
LIGO Hanford Observatory (LHO) Operations (F. Raab)
=========================================================
General Items:
--------------
!!!!!BEAM TUBE BAKEOUT BEGAN THIS WEEK!!!!!
!!!!!!SEISMIC ISOLATION INSTALLATION BEGAN THIS
WEEK!!!!!
REU Projects:
-------------
(R. Savage)
K. Libbrecht and ten REU students from Caltech visited the
observatory yesterday and today. They were given a tour of the
site by F. Raab and R. Savage. This morning the Caltech and
Hanford students went on a boat tour of the Hanford reach. After
lunch, T. Islam and B. Weaver presented their seminars on their
summer projects and the Caltech students gave brief overviews of
their summer work.
Bake Oven:
----------
(K. Ryan)
Seismic Isolation Installation:
-------------------------------
(C. Gray, H. Radkins)
Anchor bolt holes located for chambers HAM 7 & 8 on 8/14.
Apollo's
drilling and placing of studs began on 8/17. Hole location was
completed for the remaining HAMs of the 2k detector; currently, holes
for HAM 4k detector are being laid out.
Fixtures for an alternative method to handling the Support Tubes (in
place of the Rail System) were picked up from a local machine shop.
These fixtures will be tested during 1st Article disassembly.
Received 1st shipment of BSC Piers on 8/14. The rest of BSC &
HAM
Piers were delivered on 8/18. The BSC Piers are being stored in the
LVEA; half of the HAM Piers are out in the LVEA as well, and others
are in the Clean Storage Room.
Fixture is being made to help on locating the anchor bolt holes for
the Piers.
BSC SEI 1st Article:
--------------------
Over the past few weeks several items have been modified-mostly
installation fixtures associated with the Crossbeams, the Support
Tubes, and the Airbearing.
The garage at HYTEC is filled with equipment and people building
assemblies and installing components. After test fitting the
Support Table/Downtube assembly, the SEI was disassembled down to
the Adapter Plates on the Piers. The Scissors Tables have been
assembled complete with motors and position encoders and installed
onto the Adapter Plates. The x-fine Actuators have been assembled
to a point where they can be installed and the x-y coarse Actuators
are waiting to take their place on the stack.
With all the assembly and disassembly activity going on, there is
concern here (at HYTEC) the alignment of the stack (done in April)
may have been lost. We will miss a day or two as we remove the
Scissors Table and check it.
Optics & Lasers:
----------------
(D. Cook)
Electrical/Electronic Systems:
------------------------------
(R. McCarthy)
Tested the X-End station vacuum electronics in Livingston with PSI.
After some minor hold ups such as the password on the Sun station
being changed all went very well. The only components not tested
were the Beam Tube pressure gauges. They have since been installed
and PSI will ensure there function since PSI relies on these gauges
heavily during the rest of the installation and bake out.
Collated the power meter data for analysis. Able to monitor Bake
out operations as they relate to the power consumption. The bake
out basically doubles our demand and reduces our power factor
significantly.
Computing Systems:
------------------
(C. Patton)
A new Sun Ultra 10 workstation arrived and has been set up in the
Computer User's Room. The inventory and now property tagging
of
GC equipment and software continues. Continued to follow up on
overdue orders and placed several more orders for software. Added
more user accounts and helped people with several computer problems.
Daniel Sigg has the LHO mail/www server setup as a web server and is
looking into what needs to be done to get the mail server set up.
I have installed the Sun WorkShop software which is the C software
editor and compiler. I am continuing with weekly tape backups,
but
have found software for the tape robot. As soon as that software
arrives the automated daily/weekly/monthly backup system can be
started.
Beam-Tube Bake Out:
-------------------
(M. Lubinski, M. Guenther, K. Stiff and W. Althouse)
The Y2 bakeout was initiated on 8/18. The attached (early) plots
show 1) tube temperature during rampup
(at 100 C as of this morning)
and 2) tube temperature control under
automatic operation.
For additional information about this report, contact sanders@ligo.caltech.edu