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AUSTRALIAN NATIONAL UNIVERSITY Monthly
Report 11 Created: 11 January 2001 Last modified: 11 January 2001 |
MONTHLY REPORT FOR DECEMBER 2000
Jan van Harmelen
Research
School of Astronomy and Astrophysics
Institute
of Advanced Studies
Australian
National University
Revision
History
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Revision No. |
Author & Date |
Approval & Date |
Description |
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Revision 1 |
Jan
van Harmelen 11 January 2001 |
Peter McGregor 15 January 2001 |
Original document. |
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Contents
On 19 December 2000, ANU announced the NIFS
contract at a function at the Mount Stromlo Visitor Centre. The Australian
Capital Territory government was represented by Brendan Smyth, Deputy Chief
Minister, while Prof. John Richardson attended on behalf of ANU. Also present
were representatives of Auspace and Craigie Industrial Engineers, two of our
subcontractors. There was excellent media coverage on local radio and
television and in the local and national newspapers.
Some more progress was made identifying
suitable guide stars for potential NIFS targets. To this end, the services of a
research assistant were made available during December by RSAA without cost to
the NIFS project.
The OCDD was revised and internal review will
take place early in January.
At the same time the Verification and
Commissioning plan was written, describing the tests required to verify
compliance with the OCDD.
This monthly report on
NIFS activities covers the four week period from 4 to 29 December.
The continuing
non-availability of NIRI as-built documentation hampers progress on CC and IS
software development, control system design and procurement, and cryostat and
OIWFS duplication.
The search for
competent mechanical design staff continues without success. The situation is
set to worsen as Glen Jones, the engineer in charge of the NIRI duplication
work, announced his resignation, effective from 19 January 2001. With the
preparations for the CDR in progress, time is not available to dedicate to
recruitment, but waiting till after CDR will slow down the flow of work.
Avenues outside the normal ANU recruitment procedures are being explored.
An electronics
technical officer vacancy still exists. We are also exploring the possibilities
for filling the temporary position required for the fabrication of the NIFS
control system.
The University closed
from 22 December 2000 to 1 January 2001 inclusive. Several project staff took
holidays the week before and/or after the closure.
Various aspects of the
optical design are being checked: ghosting, scattered light, distortion, and
error budgets. The image slicer mirror arrays have been fully specified and one
array has been ordered, as a test piece, from the Labor fuer Microverspanung at
the University of Bremen at a cost of US$4000. Its manufacture is scheduled for
the last week in February. This will allow us to report on the outcome at the
CDR.
The integration of the
various spectrograph assembly designs in the overall mechanical design is
continuing.
The mechanical
workshop has continued to fabricate components for the NIRI duplication. A
breakdown of the NC mill and annual maintenance in the week before Christmas
have slowed work down.
The design of the NIFS
modifications to the NIRI control system and consequently its manufacture have
been dormant pending the provision of NIRI as-built documentation by Gemini. A
review of the situation in preparation for CDR has shown that further waiting
will risk project delay. We will need to develop our own schematics and PCB
layouts for most of the system and re-design and manufacture several printed
circuit boards and part of the wiring.
There has been no
worthwhile progress with the CC and DC software, due to other leave scheduled
commitments.
The design of the
revised detector mounting board has been continued. Schematics of the detector
board and internal and external cryostat wiring are near completion and PCB
layout has been started. A liquid nitrogen dewar was fitted with some parts to
assess temperature control performance of the Lakeshore controller under
various circumstances. Tests have shown
that a thermal mass similar to that to be used on the back of the detector
socket can be controlled to ±1 mK at a control temperature of 150 K.
Disturbances introduced by a heater resistor at one end of the copper block of
up to 20 mW for 10 sec, somewhat more than the detector dissipation during
read-out, did not show up in the temperature of the control point. Similarly,
the controlled temperature was not disturbed by cyclic variations of up to 10
degrees of a small mass halfway along the cold strap from the liquid nitrogen
tank to the main thermal mass.
The schedule will
undergo thorough revision in preparation for CDR.
|
Task WBS |
hrs |
Finish Date |
Title |
Deliverables |
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2.1.1
NIFS Critical
Design - Project Management
A continuing task. JvH: 29.5 hrs.
2.1.6
PS Miscellaneous
A continuing task to record various activities.
19 hrs.
2.2.1
Revise OCDD
PJM: 33 hrs.
2.2.2
Revise FPRD
JvH: 1 hr.
2.2.3
Science Case
Looking for more targets: PJM: 12 hrs.
2.3.1
Requirements
Analysis
No progress this period.
2.3.2
Acceptance Test
Plan
JvH: 1
hr.
2.3.3
Verification and
Commissioning Plan
PJM: 4 hrs.
2.3.5
Manuals
PJM: 21 hrs.
2.3.8
Produce CDR
Documentation
PJM: 5 hrs, JvH 4.5 hrs.
2.4.6
Revise Error
Budget and Specify Tolerances
JH: 11 hrs.
2.4.16
Specify and
Negotiate IFU Machining
JH: 31 hrs.
2.4.17
Negotiate Diamond
Turning of Non-IFU Mirrors
No progress this period.
2.5.2.3
Disperser
Turret/Bypass Mirror Design
Continued: LP 192 hrs.
2.5.2.4
Develop IFU
No progress this period.
2.5.2.6
Design Array and
TriFold Mirror
No progress this period.
2.5.2.7
Detector Mount
Design
PC: 10 hrs.
2.5.2.10
Design Entrance
Turret
Assembly design for entrance turret. PC: 78 hrs
2.5.2.12
Camera Mount
Design
No progress this period.
2.5.2.13
Design Baffle
System
No progress this period.
2.6.2.1
Detector Mount
Board Wiring Design
MDD: 35 hrs.
2.6.2.2
Detector Mount
Board Wiring Layout
WG: 35.25 hrs.
2.7.4
Component
Controller Software
MJ: 44.5 hrs.
2.7.6 Detector Controller Software
PJY: 28.5 hrs.
4.1.1
Cryostat and
OIWFS Duplication – Project Management
A continuing task. JvH: 7 hrs.
4.2.1
Cryostat and
OIWFS Duplication – Design and Supervision
A continuing task. GJ and others: 110 hrs.
4.2.2 Cryostat and OIWFS
Duplication – Parts Fabrication
Workshop
effort 264 hrs this period.
4.3.1
Control System –
Design and Supervision
Prepare purchasing list and request quotes.
MID: 21 hrs.
5.8.8.1
Test Cryostat
Temperature Control – Design Control system
MDD: 15 hrs for temperature control tests.
No documents were issued during the reporting period:
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Document ID |
Rev |
Date |
Title |
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The current schedule
is the schedule included in the “NIFS Revised Costing”. A schedule revised for
the expected delivery dates of the detectors and the late start on cryostat and
OIWFS duplication was developed. It also takes into account the proposed
delayed CDR date of 22 February 2001. This revised schedule was submitted
during September 2000. The schedule will be revised again and the new schedule
will be presented in the CDR documentation.
18 people have
contributed to the NIFS project during this period. They worked a total of 836
hours, bringing the total for the project to 7219 hrs, which represents
approximately 23.8 % of the total number of hours in the current project plan.
61% of the number of hours allocated for the critical design study have been
used and 83% of those for the mechanical fabrication and supervision of the
Cryostat and OIWFS Duplication.
Listed below are the milestones defined in the NIFS contract. Milestone
3, AURA approval of Final OCDD and FPRD has been postponed to the CDR date,
which is now set for April 2001.
|
Event |
Date |
Status |
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(1)Contract fully signed |
August 2000 |
Completed |
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(2) Placement of order for vacuum
jacket forging |
August 2000 |
Completed |
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(3) AURA approval of Final FPRD
and OCDD |
5 December 2000 |
To be submitted with CDR
documentation |
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(4) AURA approval of Detailed
Design Documentation after CDR |
January 2001 |
CDR now April 2001 |
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(5) Start of first Cryostat and
OIWFS cooldown |
14 May 2001 |
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(6) Completion of Cryostat and
OIWFS Duplication (As task is described in Conceptual Design Documentation) |
4 October 2001 |
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(7) Completion of Spectrograph
Construction (As task is described in Conceptual Design Documentation) |
22 March 2002 |
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(8) Authorization to ship
instrument given by AURA |
19 July 2002 |
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(9) Completion of all Work and
Final Acceptance given by AURA |
1 October 2002 |
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The exchange rate used
is the rate applicable to a particular transaction, or the rate on the last day
of the reporting period. On 29 December 2000 the rate was 0.555.
No income was gained
during the reporting period.
The NIFS account was
charged for 770 hrs of work from 4 to 29 December 2000. This is the total
number of hours (864) minus the hours for the Project Scientist (94). The total
charge is US$26,950 (A$48,559)
The following
expenditure was incurred during the reporting period.
2.6.2.1 Detector Mount Board Design
Electronics Components US$ 8 A$ 14
4.6.1
NIRI
Duplication – Consumables
Freight & customs US$ 34 A$ 62
-------------- ------------
total US$ 42 A$ 76
The ANU accounting
system also includes ‘commitments’, where a purchase order has been raised, but
goods or services have not yet been delivered, invoiced and paid. New
commitments are listed here, but not included in the financial status report.
4.2.2.2
NIRI
Duplication – Machine VJ
Broens – Endplates US$ 3,822 A$ 6,886
4.6.2
NIRI Duplication
– Consumables
Bandsaw blade US$ 179 A$ 322
5.3.8
Spectrograph
Optical Fabrication – Pupil Mirror Array
Labor fuer Microverspanung US$ 4,000 A$ 7,692
-------------- ------------
total US$ 8,001 A$14,900
|
Date |
Description |
Income (US$) |
Income (A$) |
Outgoings (US$) |
Outgoings (A$) |
|
29 Jul 00 |
Labour |
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37,940 |
64,524 |
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01 Sep 00 |
Labour |
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48,125 |
83,696 |
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01 Sep 00 |
Other Costs |
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1,607 |
2,773 |
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29 Sep 00 |
Labour |
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44,205 |
82,626 |
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29 Sep 00 |
Other Costs |
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7,748 |
14,483 |
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27 Oct 00 |
Labour |
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35,525 |
68,056 |
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27 Oct 00 |
Other Costs |
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12,014 |
23,015 |
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01 Dec 00 |
Labour |
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44,100 |
83,523 |
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01 Dec 00 |
Other Costs |
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8,026 |
15,200 |
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29 Dec 00 |
Labour |
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26,950 |
48,559 |
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29 Dec 00 |
Other Costs |
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42 |
76 |
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29 Dec 00 |
Balance |
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266,282 |
486,531 |
The only technical
problem impeding project progress is the unavailability of as-built information
on NIRI and its control software.
The purchase and
delivery of items on the critical path of the project may be delayed because of
the delayed execution of the NIFS contract and other delays caused by it.
There are no financial
problems.
The following Action Items are outstanding.
|
No. |
Action |
Who |
Status |
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1 |
ICD16
Parameter Definition Format. Clarification |
RAN |
Closed. PJY to contact Steve Wampfler |
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2 |
Revise
NIFS schedule to reflect FPA delivery lead time |
JvH |
Closed Plan updated |
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3 |
Generate
ordered list of "As Built" NIRI drawings |
JvH |
Closed List provided |
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4 |
Negotiate
delivery schedule for As Built NIRI drawings with IfA |
RAN |
Mechanical drawings are now available, to be delivered to RSAA as soon
as possible. |
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5 |
Determine
status of NIRI manuals |
RAN |
Closed Not available in time for CDR |
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6 |
Determine
specifications and manufacturer of NIRI CaF2 window |
RAN |
Closed Information provided |
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7 |
Make
tar archive of operational NIRI software |
RAN |
Closed Software received |
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8 |
Determine
status of IfA OIWFS fabrication |
RAN |
Work in progress, to be checked regularly |
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9 |
Send 7
cryo stepper motors to ANU |
RAN |
1 received |
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10 |
A
flip-in acquisition mirror will be incorporated into the design |
JvH |
Closed. Documentation to be changed as required |
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11 |
Send examples of Commisioning and Verification Plans |
RAN |
Closed. No longer required |
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12 |
Relay urgency of NIFS contract approval |
RAN |
Closed NIFS contract signed |
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13 |
Check impact of late OIWSF parts delivery by UH on NIFS schedule |
JvH |
Closed. Early May 2001 is latest
delivery possible on the currently proposed plan. |