1. GLAST LAT ProjectMarch 24, 2003 6H Tracker Peer Review, WBS 4.1.4 1 GLAST Large Area Telescope: Tracker Subsystem WBS 4.1.4 6H: Tower Shipping and Storage Thomas Borden Stanford Linear Accelerator Center Tracker Subsystem Engineer tborden@slac.stanford.edu Gamma-ray Large Area Space Telescope

2. GLAST LAT ProjectMarch 24, 2003 6H Tracker Peer Review, WBS 4.1.4 2 Agenda Requirements Shipping Containers Transportation Monitoring Tower Storage

3. GLAST LAT ProjectMarch 24, 2003 6H Tracker Peer Review, WBS 4.1.4 3 Requirements Documentation –LAT-SS-00778, LAT Environmental Specification –LAT-SS-00134, Tracker Level IV Specification –LAT-MD-00228, LAT Contamination Control Plan Full performance testing before and after shipping Full documentation delivered with Towers

4. GLAST LAT ProjectMarch 24, 2003 6H Tracker Peer Review, WBS 4.1.4 4 Shipping Containers Double containment Inner container attaches to vibration fixture –Aluminum rods at each corner of vibration fixture –Aluminum plates with high density foam –Data logger attached to vibration fixture –Cables secured under tower Outer Container –Two pieces –High impact plastic –4 inches of high density foam all around

5. GLAST LAT ProjectMarch 24, 2003 6H Tracker Peer Review, WBS 4.1.4 5 Transportation Monitoring Electronic data logger Mechanical shock (+/- 50 g’s), temperature, humidity and pressure Records data in as short as 5 second intervals Records maximum value during interval Battery life 20 days

6. GLAST LAT ProjectMarch 24, 2003 6H Tracker Peer Review, WBS 4.1.4 6 Tower Storage Inner shipping container used for storage At SLAC towers will be stored in clean room, in inner container, prior to integration Outer shipping containers and data loggers will be reused