Facility Concept Design and Study M3 Engineering & Technology Corporation Simon Radford, CCAT Deputy Project Manager José Terán U., M3 Architect M3PN05068 13,14 July 2005 Feasibility/Concept Study Mid Term Status Review

Presentation Summary M3 Engineering & Technology Corp. Scope of Work Mountain and Support Facility Requirements Observatory Concept: (Work in Progress) Support Facility Concept: (Work in Progress) Interface Requirements Schedule M3 Engineering & Technology Corporation

M3 Engineering & Technology Corp. Full Discipline Architectural and Engineering Firm Offices in Arizona, Mexico and Chile Specialize in Observatory Enclosures and Support Facilities Over 15 Years Experience in Telescope Observatory Design and Construction Projects in Arizona, California, Hawaii, New Mexico, Texas and Chile Design Experience of All Observatory Sizes and Dome Configurations M3 Engineering & Technology Corporation

Observatory Experience: Mount Graham International Observatory Location: Mount Graham, AZ Vatican Enclosure SMT Enclosure LBT Enclosure Site Infrastructure and Access Road M3 Engineering & Technology Corporation

Observatory Experience: Chile Magellan Observatories, Las Campánas SOAR Enclosure, Cerro Pachón GEMINI Support Facility, Cerro Pachón 2MASS, Cerro Tololo M3 Engineering & Technology Corporation

Current Observatory Projects ALMA AOS Site Infrastructure and Technical Support Facility, Chajnantor, Chile Discovery Channel Telescope Observatory, Happy Jack, Arizona SST Enclosure, White Sands Missile Range, New Mexico Mew Mexico Tech Interferometer Array, Magdalena Ridge, N.M. GMT Enclosure Concept Design and Cost Study ATST Enclosure Study, Haleakala Hawaii Tzec Maun Telescope Enclosure (RGT), Cloudcroft N.M. HOPE Observatory (RGT), Caribbean Islands M3 Engineering & Technology Corporation

Scope of Work Concept Design Study and Budget Estimate Mountain Facility Site Access Road Telescope Foundation Telescope Base Enclosure and Control Facility (Excluding Dome) Site Infrastructure and Improvements Support Facility, San Pedro de Atacama Administration and Dormitory Facilities M3 Engineering & Technology Corporation

Mountain Facility: Requirements Site Access Road Telescope Foundation Dome Foundation Control Building Local Control Room and Open Office Space Conference Room, Kitchenette, Toilet/Shower Computer and Backend Room Instrument Preparation Lab and Workshop Mechanical / Electrical Support Space Utility Building and Lay Down Yard Electric Power Generators and Transformers Chillers and Pumps Domestic and Fire Water Holding Tank and Pumps M3 Engineering & Technology Corporation

Mountain Facility: Environment Operational Conditions Altitude: 5000-5600 m (16,400-18,400 ft) Air Pressure: 495-545 kPa (7.2-7.9 psi) Wind Speed: < 10 m s -1 (33 ft s-1) with 15m s-1 (50 ft s-1) gusts Temperature: -25 to +20°C (-13 to +68°F) Relative Humidity: 0% to 95% Max. Ice Build-up: 25mm (1.0 in) or 22 kg m-2 (5psf) Depression Temp: -40°C (-40°F) Survival Conditions Wind Speed: < 65 m s -1 (215 ft s-1) gusts Temperature: -30 to +25°C (-22 to +77°F) Diurnal Temp. Variation: 30°C (54°F) Snow Load on Horiz. Surface: 100 kg m-2 (20psf) Additional Ice Build-up: 25mm (1.0 in) or 22 kg m-2 (5psf) M3 Engineering & Technology Corporation

Mountain Facility: Observing Level M3 Engineering & Technology Corporation

Mountain Facility: First Level Plan M3 Engineering & Technology Corporation

Mountain Facility: Second Level Plan M3 Engineering & Technology Corporation

Mountain Facility: Building Section M3 Engineering & Technology Corporation

Mountain Facility: Exterior M3 Engineering & Technology Corporation

Interface Requirements Telescope: Telescope Clearance Top of Pier Elevation Pier Dimensions and Performance Requirements Telescope Elevation Axis Hydrostatic Bearing System Access and Maintenance Electrical, Mechanical and Controls Interface M3 Engineering & Technology Corporation

Interface Requirements Dome: Base Radius and Total Loads Dome Crane Capacity and Reach Electrical and Mechanical Interface Center of Dome Elevation Maintenance Access Equipment and Reach M3 Engineering & Technology Corporation

Support Facility: Requirements Site Improvements and Infrastructure Electric Power Generators and Transformer Domestic Water and Sewage System Parking Support Facility Remote Control Room Offices Instrument Labs Workshops Warehouse Dormitories Cafeteria and Kitchen Mechanical and Electrical Support Space M3 Engineering & Technology Corporation

San Pedro Architecture Massive Adobe Wall Construction Straw Roof Wood Shade Structures Courtyard Spaces Within the Compound M3 Engineering & Technology Corporation

Support Facility: Site Plan M3 Engineering & Technology Corporation

Support Facility: Administration M3 Engineering & Technology Corporation

Support Facility: Dormitories M3 Engineering & Technology Corporation

Schedule Concept Design Study and Budget Estimate Award of Contract / Kickoff Meeting: May 2005 Progress Meetings: June-Sept. 2005 Pre-Final Report Review: October 2005 Final Report Integration: November 2005 Presentation of Results: January 2006 M3 Engineering & Technology Corporation