1. Prime Focus Imaging Spectrograph Status
All lenses figured and coated; collimator & camera in assembly
Slitmask, waveplate, shutter, grating, articulation, filter mechanisms wired and tested
Structure in final machining at Rutgers
CCD detector delivery from SAAO this week
VPH gratings shipping; beamsplitter due next month
Control system electronics boxes tested
Mechanism S/W coded/ tested; PI tool in progress
With 100% major purchases received or awarded, use of budget reserve is 99%
Concerns: schedule. Arrival at Sutherland slipped to ~15 Dec
May 17, 2004
SSWG

2. Lens Optics
Collimator- problems with clean room; NaCl lens assembly. Delivery late this month (4 months late). Pacing item.
Camera- delivery late June
Detector- delivery this week (4 months late). Have 1 month for S/W integration
field flattener rework for dewar seal
NaCl triplet in assembly
May 17, 2004
SSWG

3. Collimator & Camera Assembly
Main Group: including solgel and NaCl
Field Lens Doublet
Camera Barrel
Final Doublet
Collimator
May 17, 2004
SSWG

4. 100 mm superachromatic halfwave plate
Other Optics
100 mm superachromatic halfwave plate
Delivered
3000 l/mm VPH Grating
Slitviewer Optics
Not delivered (very late): Etalons; Beamsplitter
May 17, 2004
SSWG

5. Field Flattener on cryostat
CCD Detector
Field Flattener on cryostat
May 17, 2004
SSWG

6. Detector Engineering First Light Full Image: M83
May 17, 2004
SSWG

7. Structure/ Mechanisms
Grating Server
Collimator Optics
Camera
Detector Dewar
Slit Mask Server
Waveplate Mechanism
Filter Server
Articulation Rail
Open Truss Structure
May 17, 2004
SSWG
Fabry-Perot Etalons

8. Structure Welded invar structure: Welding, heat treatment completed
In finish machining
Due end of May (4 months late)
Dolly; test fixture ready
Pacing item
May 17, 2004
SSWG

9. Mechanisms
Slitmask Server
Waveplate Rotator
May 17, 2004
SSWG

10. Mechanisms – II 162 mm shutter Grating Server
Mechanism Effort: about 4 months late
Filter Server
May 17, 2004
SSWG

11. Budget: Procurement Status
Item
PDR Estimate
Now
Low bid
Other bidders
Status
Company
Delivery
CaF2 Blanks
$98,116
$120,260
Oken
80d
Bicron
Received, including $32,800 in spares
Fused Silica Blanks
$9975
Dynasil
4 wk
Corning, Oken
Received, including 1 spare
NaCl Blanks
$10,020
Hilger
6 wk
Rubicon
Received, including 4 replacements
Fused Quartz Blanks
$13,650
75 d
Heraeus
Received
Lens Fab-
asphere
$168,714
$33,000
Coastal
20 wk
TORC, Tinsley
spheres
$26,935
Janos
8 wk
Coastal, TORC, HJOL
MgF2/ Solgel
coatings
$55,918
Cleveland
Crystal
Multilayer Coatings
$21,261
Spectrum Thin Films
RMI
Waveplates
$120,000
$101,466
Halle
6 mo
none
Beamsplitter
$44,100
$53,100
Karl Lambrecht
30 wk
Reynard
Awarded
May 17, 2004
SSWG

12. Procurement Status - II
Item
PDR Estimate
Now
Low bid
Other bidders
Status
Company
deliv
VPH Substrates
$30,000
$11,850
United Lens
30 d
HJOL, Coastal
Received
VPH Coatings
$7,100
OptoSigma
4 wk
Spectrum Thin Films
Awarded
VPH Fabrication
$24,950
Wasatch
8 wk
CSL, KOSI
Awarded, 1 of 5 received
SR Grating
$8,696
Richardson
10 wk
Zolotech
Color Filters
$10,000
$15,580
Omega
14 wk
Barr, Custom Scientific
Color Filter Coatings
$5,875
Slitviewer Optics
$3,247
TORC
6 wk
Coastal, HJOL, Edmund, Zygo
Slitmask Cutter
$120,000
$124,599
US Laser
4 mo
LPKF, ART
Total
$590,930
$647,482
May 17, 2004
SSWG

13. Budget: Cost-to-Completion
With 100% of major purchased equipment received or awarded, have used 99% of budgeted reserve
$55K of CTC is SAAO foreign exchange losses; use of reserve would be 92% if excluded
May 17, 2004
SSWG

14. Budget: Deltas Positive deltas (since last meeting/ expected) Tot
Optics and Invar actual cost overrun $52K
Machining underestimate $27K
Optomechanical (esp beamsplitter) $23K
Schedule stretchout $86K
SAAO labor ForEx losses $30K $218K
Schedule stretchout $45K?
Flattener rework and slitviewer mounting $10K? $55K?
Negative Deltas
Mechanism/ control system purchases -$21K
Dolly Design -$19K -$40K
Resale of CaF2 spares -$25K? -$25K?
Projected Total $208K?
~$30K over cap with SAAO Forex
~$30K under without
May 17, 2004
SSWG

15. Concern: Schedule Subsystem deliveries ~ 4 months late
Used remaining schedule slack; parallel integration schedule to recover ~1.5 months
Integration & testing phase manpower: graduate student, postdoc (UW contribution)
Uncertain test phase schedule: how much needs to be done before shipping?
Ship 4 Nov, 2004
Arrive Sutherland 15 Dec, 2004
Uncertain commissioning schedule
telescope commissioning
sky availability of planned targets
May 17, 2004
SSWG

16. Integration Schedule
May 17, 2004
SSWG

17. Testing and Commissioning Schedule
This part of schedule needs to be detailed...
May 17, 2004
SSWG