1. The ILC IR John Amann ILC Mechanical Engineering 09/12/06

2. IR Requirements Comparison Table ItemBCD from VC Surf. Asm. CCR SiDLDCGLD IR Shaft Crane1kt x 22kt x 2600t120t?(1.2kt) Surface Assembly Crane 80t x 2400t?(400t)2kt400t IR Hall Crane20t x 4400t x 2?(400t)80t400t Largest Piece for Surf. Asm. 600t490t~350t IR Hall Size (w x l x h) 32x72x42m30x100x35m30x48x28m30x82x?m 30x45x?m 32x72x?m IR Shaft Size15m 9m may work15m (14x8)20m Full Surface 16m Hybrid Surface Assembly Building Size 30x100mTBD Other Shafts9m service cavern Amann – 09/12/06

3. About Cranes Cranes >100t are custom engineered = $$$. Cranes <100t are off the shelf standard = $. Cranes have a duty rating = +/- $. Crane support structure cost scales with capacity. A 400t crane will require a support structure and foundation on the scale of a steel mill = $$$. Amann – 09/12/06

4. SLC Collider Hall 100 ton Bridge Crane Hook Height = Runway Height 5-10m Additional Clearance Needed Above Runway Amann – 09/12/06

5. SLC Collider Hall 100 ton Bridge Crane Bridge Crane has an Effective Area Due to Size of Trolley and Cross Beam 100 ton > Effective Area > 400 ton Amann – 09/12/06

6. PEPII IR2 50 ton Bridge Crane Amann – 09/12/06

7. About Curtain Walls It has been proposed to use a single collider hall separated into two detector regions by a removable 3m concrete wall. In order to accomplish this, a combination of stacked concrete blocks topped with a retractable curtain wall will be required. Amann – 09/12/06

8. PEPII IR2 Curtain Wall Curtain Wall Fully Retracted Into IR Hall Amann – 09/12/06

9. PEPII IR2 Curtain Wall Curtain walls need a runway. Runway rail is embedded into concrete support. To maintain small gap between curtain wall and the IR hall surfaces the bridge crane runway should be embedded and not a freestanding steel structure. The above will require a IR hall with a robust concrete structure. In general, a curtain wall will require a smooth finished IR cavern to maintain a small gap between the curtain wall and the IR hall walls and ceiling. Amann – 09/12/06

10. PEPII IR2 Curtain Wall Close-up of Runway Support Structure Amann – 09/12/06

11. IR Hall and Surface Assembly Building Cutaway View of IR Hall/Surface Assembly Building Amann – 09/12/06

12. IR Hall and Surface Assembly Building Right Side View Amann – 09/12/06

13. Other IR Hall Needs Compressed Air - need required PSI, CFM, moisture content, locations H2O supply – potable, non-potable AC Power Distribution – welding sockets 500 amp, other 480/240V sockets. Machine Shop, Welding Area, and Tool Crib VESDA and Fire Suppression IR Hall Lighting O2 Deficiency Monitors Clean Room – how big, what class? Materials Storage Area Amann – 09/12/06

14. Questions to Think About IR Hall - rectangular box or curved cavern? Surface assembly building - size and orientation? BDS tunnel height above IR Hall floor – what constrains this? Curtain Wall – required thickness? Amann – 09/12/06