GMT SYSTEM LEVEL PRELIMINARY DESIGN REVIEW December 13, 2013 Enclosure and Facilities Section 7 GMT SYSTEM LEVEL PRELIMINARY DESIGN REVIEW December 13, 2013 This page intentionally left blank ENCLOSURE AND FACILITIES 7–2 GMT SYSTEM LEVEL PRELIMINARY DESIGN REVIEW December 13, 2013 Table of Contents 7 ENCLOSURE AND FACILITIES ............................................................................................ 7 7.1 Overview of the Enclosure and Facilities ........................................................................... 7 7.1.1 Introduction .................................................................................................................... 7 7.1.2 Description of the Enclosure Building ........................................................................... 8 7.1.3 Description of the Summit Support Building ................................................................. 9 7.1.4 Description of the Support Site Buildings ...................................................................... 9 7.1.5 Sea Level Facilities ...................................................................................................... 11 7.1.6 Preliminary Design Drawings and Supporting Documents ......................................... 11 7.1.7 Value Engineering ........................................................................................................ 11 7.2 Enclosure and Facilities Design Requirements ................................................................ 11 7.2.1 Key Design Requirements ............................................................................................ 12 7.2.1.1 Enclosure Thermal Performance ........................................................................... 12 7.2.1.2 Vibration at the Pier to Rock Interface .................................................................. 13 7.2.2 Environmental Requirements ....................................................................................... 14 7.2.2.1 Wind ...................................................................................................................... 14 7.2.2.2 Seismic Events ....................................................................................................... 15 7.2.2.3 Precipitation ........................................................................................................... 15 7.2.2.4 Temperature ........................................................................................................... 16 7.2.3 Reliability and Maintenance......................................................................................... 16 7.2.4 Health and Safety ......................................................................................................... 17 7.3 Master Plan ......................................................................................................................... 18 7.3.1 General Site Plan .......................................................................................................... 18 7.3.2 Interaction with LCO ................................................................................................... 19 7.3.3 Access to the Site ......................................................................................................... 19 7.3.4 GMT Facilities ............................................................................................................. 21 7.3.4.1 Summit Site ........................................................................................................... 21 7.3.4.2 Support Site ........................................................................................................... 25 7.3.5 Utilities and Services Infrastructure ............................................................................. 28 7.3.5.1 Electrical Power Feed ............................................................................................ 29 7.3.5.2 Electrical Distribution ............................................................................................ 30 7.3.5.3 Water ..................................................................................................................... 30 7.3.5.4 Domestic Sanitary Waste ....................................................................................... 30 7.3.5.5 Communications .................................................................................................... 30 7.3.5.6 Fuel ........................................................................................................................ 30 7.3.5.7 LN2 ........................................................................................................................ 30 7.3.5.8 Subsurface Utilities ................................................................................................ 30 7.3.5.9 Guardrails .............................................................................................................. 31 7.3.5.10 Signage .................................................................................................................. 31 7.4 Enclosure Building ............................................................................................................. 31 7.4.1 Architectural Design .................................................................................................... 33 7.4.1.1 Enclosure Geometry .............................................................................................. 33 7.4.1.2 Enclosure Design ................................................................................................... 35 7.4.1.3 Enclosure Base Design .......................................................................................... 42 7.4.1.4 Telescope Pier ........................................................................................................ 47 7.4.1.5 Maintenance/Personnel Access ............................................................................. 49 7.4.1.6 Lifts and Cranes ..................................................................................................... 57 7.4.1.7 Materials Overview ............................................................................................... 63 7.4.1.8 Architectural Seals ................................................................................................. 63 7.4.2 Structural Design .......................................................................................................... 64 ENCLOSURE AND FACILITIES 7–3 GMT SYSTEM LEVEL PRELIMINARY DESIGN REVIEW December 13, 2013 7.4.2.1 Building Code and Reference Standards .............................................................. 65 7.4.2.2 Design Wind Speeds ............................................................................................. 65 7.4.2.3 Seismic Requirements ........................................................................................... 66 7.4.2.4 Enclosure .............................................................................................................. 66 7.4.2.5 Uplift Restraints .................................................................................................... 75 7.4.2.6 Enclosure Base ...................................................................................................... 76 7.4.2.7 Telescope Pier ....................................................................................................... 78 7.4.3 Enclosure Mechanisms ................................................................................................ 80 7.4.3.1 Enclosure Azimuth Rotation Mechanisms ............................................................ 80 7.4.3.2 Shutter Design Requirements ............................................................................... 89 7.4.3.3 Vertical Shutter Mechanisms ................................................................................ 89 7.4.3.4 Horizontal Shutter Mechanisms ............................................................................ 95 7.5 Summit Support Building ................................................................................................. 99 7.5.1 Introduction ................................................................................................................. 99 7.5.2 Architectural Design.................................................................................................. 101 7.5.2.1 Facility Building ................................................................................................. 101 7.5.2.2 Auxiliary Building .............................................................................................. 104 7.5.2.3 Equipment Building ............................................................................................ 110 7.5.2.4 Vibration Isolation .............................................................................................. 113 7.5.2.5 Materials Overview............................................................................................. 113 7.5.3 Structural Design ....................................................................................................... 114 7.5.3.1 Foundations ......................................................................................................... 115 7.5.3.2 Framing Overview .............................................................................................. 116 7.6 Support Site Buildings ...................................................................................................