November 95

GNIRS PROGRESS REPORT

October 20 – November 23, 2001

Accomplishments / Status

Summary: 85% of the work from the Restart Review to delivery has been completed.

The work during this period included design of the Molecular Sieve, radiation shield design, Bulkhead Assembly and Dewar Shell fabrication and mechanism testing. The Bulkhead Assembly and Dewar Shells have been inspected, leak tested and accepted at the vendor, and are due to be shipped to NOAO on November 30^th after painting. Grating and Prism Turret mechanism testing is in process. All mechanisms have completed parts fabrication.

All optics have been inspected and accepted. One camera lens is being coated and is yet to be received. Pre-Slit bench optics installation and alignment is ready to start. Camera test and alignment is ready to start.

The integration of the WFS components onto the bench is complete, and alignment is complete. Wiring and software checkout are proceeding.

Change orders for delivery of GNIRS to Chile, including Testing, Training, and Commissioning, and for the Differential Pressure Switch, are still in process. Work on the Differential Pressure Switch is complete. The test plan for Acceptance Testing, Delivery to Chile, Training and Commissioning has been submitted to Gemini for approval.

Next Milestone: The next major project milestone is the completion of Radiation Shield design by December 3^rd.

Earned Value:

	April	May	June	July	August	September	October	November
BCWS	$2,565,371	$2,732,977	$2,929,722	$2,976,073	$3,030,916	$3,085,811	$3,145,000	$3,192,781
BCWP	$1,804.951	$1,912,351	$2,119,911	$2,182,434	$2,357,289	$2,526,319	$2,573,084	$2,617,408
ACWP	$1,915,889	$2,031,750	$2,343,546	$2,392,603	$2,603,604	$2,762,963	$2,938,004	$3,122,731
SPI	0.70	0.70	0.72	0.73	0.78	0.82	0.82	0.82
CPI	0.94	0.94	0.90	0.91	0.91	0.91	0.88	0.84

This table reflects planned and actual charges to the project as of October 31, 2001. NOAO has spent $1,264,118 in capital to date.

Project Management: (77% complete)

The project plan may be viewed on the GNIRS web site at: http://www.noao.edu/ets/gnirs/ under Management, Planning. The current scheduled delivery date of the GNIRS instrument is still September 25, 2002.

Systems Engineering: (100% of planned work)

The main focus has been Grating and Prism Turret mechanism assembly and warm test and support of design updates.

Mechanical Design, Fabrication, Assembly and Test: (93% overall)

The major activity in this work package has been a design modification to the Bulkhead assembly, 3D and 2D design of radiation shields, and fabrication.

Mechanisms: (96% complete overall). The Focus Mechanism is the only mechanism still to be assembled for warm testing. Testing is underway for the Grating and Prism turrets.

	Feb	Mar	Apr	May	June	July	Aug	Sept	Oct	Nov	Status
Camera	69%	77%	78%	88%	90%	91%	91%	91%	92%	98%	Final Fab/test
Focus	24%	24%	30%	48%	59%	59%	60%	67%		73%	Assembly
Environmental Cover	97%	99%	99%	99%	99%	99%	99%	99%	99%	99%	on-hold
Acquisition Mirror	58%	68%	72%	75%	75%	75%	76%	93%	93%	95%	Assembly/test
Slit/Decker	66%	77%	83%	85%	90%	90%	93%	93%	93%	95%	Assembly/test
Filter Wheel	71%	70%	73%	78%	83%	83%	95%	95%	95%	95%	Ready for test
Grating Turret	42%	51%	72%	83%	85%	86%	89%	97%	98%	98%	Test
Prism Turret	48%	47%	50%	56%	76%	85%	92%	98%	98%	98%	Test
Motor Drives	90%	90%	100%	-	-	-	-	-	-	-	Complete

Benches: (98% complete overall). Benches are complete. The Collimator has a few parts still in fabrication, and is nearly ready for assembly. Wiring of the benches will be done in Integration.

	Feb	Mar	Apr	May	Jun	July	Aug	Sept	Oct	Nov	Status
Post-Slit	56%	65%	70%	-	77%	88%	94%	99%	100%	-	Complete
OIWFS	67%	67%	79%	-	86%	87%	89%	99%	100%	-	Complete
Collimator		29%	29%	46%	62%	64%	77%	95%	96%	96%	Fab
Pre-Slit	44%	62%	70%	81%	83%	87%	91%	99%	100%	-	Complete

Fixed Assemblies: (80% complete overall). The Radiation Shields are the pacing items in fixed assemblies.

	Feb	Mar	Apr	May	June	July	Aug	Sept	Oct	Nov	Status
Entrance Window	96%	100%	-	-	-	-	-	-	-	-	Complete
Detector Mount	48%	49%	60%	67%	68%	79%	79%	97%	97%	97%	Waiting for wiring
Cryo Cooler	9%	16%	16%	16%	24%	49%	51%	59%	59%	70%	Fab
Molecular Sieve										45%	3D design
Thermal Distribution Assembly							12%	26%	66%	69%	3D/2D Design
Bulkhead Rad Shield							1%	5%	9%	53%	3D/2D Design
LN2 Pre-Cool	4%	4%	17%	17%	84%	89%	91%	91%	91%	91%	Fab
Optical Bench Gimbal Mt.	53%	53%	54%	56%	45%	85%	95%	100%	-	-	Complete
Bulkhead Assembly	11%	24%	42%	52%	55%	64%	74%	75%	90%	98%	Paint
Front Rad Shield	5%	5%	5%	5%	7%	10%	10%	10%	16%	42%	3D/2D design
Rear Rad Shield							18%	18%	30%	42%	3D/2D design
Front Dewar Shell	26%	34%	37%	37%	37%	38%	66%	70%	88%	100%	Complete
Rear Dewar Shell	6%	8%	21%	21%	26%	-	57%	61%	82%	100%	Complete
Vertical Inst Frame	5%	6%	6%	11%	-	-	14%	77%	84%	92%	Fab (welding)
Horizontal Inst Frame	1%	-	-	-	8%	8%	15%	57%	57%	100%	Complete
Dewar Mount Truss	12%	12%	12%	13%	47%	47%	47%	47%	73%	67%	Fab
Thermal Enclosure Mount	2%	7%	10%	44%	53%	53%	58%	70%	89%	96%	Assembly
Handling Fixtures	25%	58%	-	68%	68%	68%	100%	100%	-	-	Complete
Ballast Weights								75%	83%	100%	Complete

Electronics: (89% complete overall). The Instrument Controller is essentially complete. The OIWFS electronic components have been installed in the Thermal Enclosure and are being checked out as OIWFS integration proceeds.

TASK		Mar	Apr	May	June	July	Aug	Sept	Oct	Nov	Status
Component Controller TE		68%	71%	75%	66%	-	90%	86%	86%	92%
	VME Crate	100%	-	-	-	-	-	-	-	-	SW testing
	Motor Drive/Cryo Cooler Crate	94%	100%	-	-	-	-	-	-	-	SW testing
	Internal Cabling and Connectors	16%	16%	18%	90%	98%	98%	98%	98%	100%
	Ancillary Cage Crate	26%	26%	59%	63%	98%	98%	98%	98%	100%	Complete
	IfA Electronics Box	-	-	-	-	-	30%	30%	30%	30%	In check out
	Bench Thermal Controller Crate	-	61%	68%	94%	98%	98%	98%	98%	70%	Complete
External Cabling (Dewar to TE)		23%	23%	23%	23%	23%	23%	23%	23%	23%
The Dewar Warm-up Controller		37%	37%	37%	37%	37%	37%	37%	37%	37%
Dewar Electronics		71%	-	-	95%	-	95%	95%	95%	95%
	Dewar Cold Station PCB’s	60%	50%	60%	80%	80%	80%	80%	80%	80%	Ready for install and fit check
	Dewar Internal Cabling	72%	72%	72%	96%	-	96%	96%	96%	96%	On Hold – waiting for dewar
Documentation		50%	50%	50%	85%	-	95%	95%	95%	95%

Software Development: (85% complete overall).

The areas in work include testing software with the electronics crates and working on the EPICS software. Resources assigned to the software task are also working on the Gemini Array Controller.

	Feb	Mar	Apr	May	June	July	Aug	Sept	Oct	Nov
Components Controller Software	67%	91%	91%	91%	91%	-	91%	94%	94%	94%
EPICS Software	60%	69%	69%	69%	75%	-	82%	82%	82%	82%
Test & DeBug	-	-	-	-	50%	-	50%	75%	75%	75%

Procurement: (79% complete overall).

The major activities in this Work Package included monitoring vendor mechanical and optical component assembly fabrication.

	Feb	Mar	Apr	May	June	July	Aug	Sept	Oct	Nov	Notes
Optics	-	67%	71%	73%	79%	-	89%	86%	86%	86%
RMI optics	100%	-	-	-	-	-	-	-	-	-	Complete
Flat Mirrors		10%	50%	50%	50%	-	99%	99%	99%	100%	Complete
Pupil Viewer	100%	-	-	-	-	-	-	-	-	-	Complete
BaF₂lenses	8%	50%	93%	75%	75%	-	75%	90%	90%	99%	Coating last lens
Grating replicas	-	23%	50%	83%	86%	-	100%	100%	-	-	Complete
Prisms	-	13%	13%	23%	74%	-	95%	100%	-	-	Complete
Wollaston Prisms	-	-	0%	10%	40%	-	95%	100%	-	-	Complete

Problems / Solutions

There are two Change Orders outstanding which need to be completed and submitted to Gemini:

· Change Order for delivery of GNIRS to Chile

· Change Order revision for the Differential Pressure Switch

These CO’s will be completed and submitted to the USGP by mid-December, 2001.

Key Personnel

No changes.

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