1. LANL Cost and Schedule Review 02/11/05 1 Cryostat (lower half) WBS 3.1, 3.5, 3.6, 3.7, 3.8, 3.10 Paul Huffman, Chris O’Shaughnessy North Carolina State University Mike Hayden Simon Fraser University

2. LANL Cost and Schedule Review 02/11/05 2 Lower Cryogenics Consists of: 300 mK helium can 4 K shield 50 K shield 300 K housing Horizontal/Vertical transition region

3. LANL Cost and Schedule Review 02/11/05 3 Costing Example Example: 300K Cylindrical Can: Aluminum – 6 sheets @ $300/sheet, $1,800 Cut to Size – 12 cuts @ $120/cut, $1,440 Roll – 10 hrs. @ 2 people x $60/hr., $1,200 Weld length – (2 x 230” + 2 x 130”) x 3 + support ring welds (10 x 230”) = 4,460” @ 60”/hr. and 2 people x $60/hr., $9,000 End rings – 2 @ $886 Material, $3,000 Machining, $7,772 Tooling - $480 Total – $21,692 (+ overhead)

4. LANL Cost and Schedule Review 02/11/05 4 Radiation Shields WBS 3.5 300 K cylinder - $24,512 50 K cylinder - $21,228 4 K cylinder - $20,844 300 K end flanges - $11,759 50 K end flanges - $9,178 4 K end flanges - $8,755 Transition region - $36,451 Totals - $132,727

5. LANL Cost and Schedule Review 02/11/05 5 300 mK region WBS 3.5 G-10 can - $36,160 End flanges - $22,600 Electrical feedthroughs - $11,300 Total - $70,060

6. LANL Cost and Schedule Review 02/11/05 6 Ancillary Dewar Components WBS 3.5 Superinsulation - $3,390 Mounting supports, non-magnetic hardware, etc. - $132,989 Beam entrance (Be windows, neutron shielding, feedthroughs, etc.) - $130,664 Light guide exits - $6,554 Totals - $ 273,597

7. LANL Cost and Schedule Review 02/11/05 7 Vacuum System WBS 3.5 Large turbo pumping systems - $120,710 Small turbo pumping system - $8,475 Standalone mechanical pump - $7,345 Gas handling system - $34,100 Total - $170,630

8. LANL Cost and Schedule Review 02/11/05 8 WBS 3.5 Wrap-up WBS 3.5.1 - Design - $101,120 + $49,459 Radiation Shields - $132,727 300 mK region - $70,060 Ancillary Components - $273,597 Vacuum system - $170,630 WBS 3.5.2 - Procure - $647,014 + $284,687 WBS 3.5.3 - Install - $32,720 + $16,033 WBS 3.5 Total - $780,854 + $350,179 = $1,131,033

9. LANL Cost and Schedule Review 02/11/05 9 Drain Volumes/Bellows WBS 3.6 WBS 3.6.1 - Design (4.5 wk) - $29,072 + $9,012 WBS 3.6.2 - Procure $40,908 + $10,636 WBS 3.6.3 - Install (1.5 wk) $6,048 + $1,875 WBS 3.6 - Total $76,028 + $21,523 = $97,551 Drain Volumes

10. LANL Cost and Schedule Review 02/11/05 10 Support Equipment WBS 3.7 WBS 3.7.1 - Design (6 d) $7,584 + $1,896 Leak detectors, RGA - $85,089 Cryogenic instrumentation - $102,645 Cosmic ray veto paddles - $54,816 WBS 3.7.2 - Procure $242,550 + $33,957 WBS 3.7.3 - Install (8 wk) $34,992 + 8,748 WBS 3.7 - $285,126 + $44,601 = $329,727

11. LANL Cost and Schedule Review 02/11/05 11 Ultrapure helium storage/recovery WBS 3.1 WBS 3.1.1 - Design (7 d) $8,848 + $1,239 Compressor - $9,040 Storage tank - $1,130 Vacuum pumps, valves, etc. - $16,385 WBS 3.1.2 - Procure $26,555 + $3,718 WBS 3.1.3 - Install (3 d) $2,592 + $648 WBS 3.1 - $37,995 + $5,605 = $43,600

12. LANL Cost and Schedule Review 02/11/05 12 Liquefier/Recovery System WBS 3.8 & 3.10 WBS 3.8.1 - Design (2 wk) - $12,640 + $379 Helium liquefier - $678,000 Compression and storage system - $219,000 Instrumentation and plumbing - $88,000 WBS 3.8.2 - Procure - $985,029 + $197,006 Helium gas and liquid nitrogen WBS 3.10 - Procure - $9,111 + $1,002 WBS 3.8.3 - Install (10 wk) - $37,440 + $7,488 WBS 3.8 + 3.10 - $1,044,220 + $205,875 = $1,250,095