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

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

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

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

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

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

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

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

Mechanisms Slitmask Server Waveplate Rotator May 17, 2004 SSWG

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

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

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

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

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

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

Integration Schedule May 17, 2004 SSWG

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