1. 1 IR Hall for GLD Oct. 3. 2006 Y. Sugimoto KEK

2. 2 Underground hall HybridPure CMS IR hall area (WxL)25x55 Beam height8.6 Crane max hook height20.5 Largest item to liftPieces of yoke 280 t Concrete shield 100 t IR hall crane300 t100 t IR hall crane clearance to the roof TBD by CF group Resulted total size of the hall (WxLxH) 25x55x35 (height is TBD)

3. 3 Access shaft HybridPure CMS Largest item to lower through shaft Solenoid; 270t/9mx9mBarrel iron ring with solenoid; 2000t / 15mx9m IR shaft size 16m  20m  IR shaft fixed surface gantry crane 2000t / 1.5y Surface hall crane should serve IR shaft? Yes Other shafts near IR hall for access No (2 shafts for 2 detectors) Elevator and stairs in collider hall shaft? Yes

4. 4 Surface assembly buildings HybridPure CMS Surface building areaTBD Largest item to liftPiece of yoke; 280tInner vacuum tank; 180t for 10cm thick (to be studied) Surface assembly cranes300t, 50t200t, 50t Surface assembly crane max hook height 25m (vertical installation of coil into cryostat) Surface assembly crane clearance to the roof TBD by CF group Resulted volume of surface assembly hall TBD

5. 5 Crane access HybridPure CMS Surface assembly hall crane access area TBD IR hall crane access area (WxL) 18x39 Max detector height15.8 (=8.6+7.2) (Cables, cryogenic apparatus, etc., not included) Detector diameter14.4 Minimum detector clearance X; 5.2 (to wall) Z; 5.0 (to wall)

6. 6 Others HybridPure CMS Electronics hut4x10x10(m 3 )x2huts Electronics hut location Against wall at both sides When the e-hut is installed underground After assembly of detector