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1 Second Safety Council Meeting Tucson, AZ April 10-11, 2014 Name of Meeting Location Date - Change in Slide Master The Dome Project Bill Gressler Telescope.

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Presentation on theme: "1 Second Safety Council Meeting Tucson, AZ April 10-11, 2014 Name of Meeting Location Date - Change in Slide Master The Dome Project Bill Gressler Telescope."— Presentation transcript:

1 1 Second Safety Council Meeting Tucson, AZ April 10-11, 2014 Name of Meeting Location Date - Change in Slide Master The Dome Project Bill Gressler Telescope & Site Manager April 10, 2014 Second Safety Council Meeting April 10-11, 2014 | LSST Project Office N550

2 2 Second Safety Council Meeting Tucson, AZ April 10-11, The Telescope and Site Team has developed an Observatory System to perform the LSST Mission 1,380m 2 Service and Maintenance Facility Summit Facility Controls Survey Captures Light Calibrates Conditions Control Room Camera Clean Room Coating Chamber 1.2-m Atmospheric Telescope 30-m Dome 350-ton Telescope Base Facility Operations Support Data Access Center WBS Name 04CTelescope and Site Construction 04C.00T&S Level 2 Milestones 04C.01Telescope System Management 04C.02Telescope System Engineering 04C.03Summit Facilities and Infrastructure 04C.04Dome 04C.05Telescope Mount 04C.06Mirror Systems 04C.07Wavefront and Alignment Systems 04C.08Calibration System 04C.09Reflective Coating System 04C.10Observatory Control System 04C.11Telescope Control System 04C.12Utilities and Support Equipment 04C.13Base Facility and Infrastructure 04C.14Telescope Integration and Test

3 3 Second Safety Council Meeting Tucson, AZ April 10-11, The Dome System

4 4 Second Safety Council Meeting Tucson, AZ April 10-11, Numerous design shapes analyzed during the development cycle − Roll-off/retracting design rejected due to stray light − Rectangular too inefficient; Calotte deemed too risky − Final comparison of carousel vs. spherical − Carousel design chosen after analysis – Simplified fabrication/erection & cost effective – Better dome ventilation

5 5 Second Safety Council Meeting Tucson, AZ April 10-11, Baseline design sized to safely support all handling operations via 20-ton crane M1M3 Mirror Cell on Cart with cover above

6 6 Second Safety Council Meeting Tucson, AZ April 10-11, Design improvements included after discussions with potential vendors − Camera removal similar to VISTA instrument procedure − Remove through back doors to maintain aperture integrity

7 7 Second Safety Council Meeting Tucson, AZ April 10-11, Dome system to be procured via fixed price design/build contract − Design review May − RFP in July − Award in late 2014 − Design review cycles in SOW − Performance specification − Merge contract into PMCS shedule


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