1

IR Hall for GLD

Oct. 3. 2006

Y. Sugimoto

KEK

2

Underground hall

Hybrid Pure CMS

IR hall area (WxL) 25x55

Beam height 8.6

Crane max hook height 20.5

Largest item to lift Pieces of yoke

280 t

Concrete shield

100 t

IR hall crane 300 t 100 t

IR hall crane clearance to the roof

TBD by CF group

Resulted total size of the hall (WxLxH)

25x55x35 (height is TBD)

3

Access shaft

Hybrid Pure CMS

Largest item to lower through shaft

Solenoid; 270t/9mx9m Barrel 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

Surface assembly buildings

Hybrid Pure CMS

Surface building area TBD TBD

Largest item to lift Piece of yoke; 280t Inner vacuum tank; 180t for 10cm thick (to be studied)

Surface assembly cranes

300t, 50t 200t, 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

Crane access

Hybrid Pure CMS

Surface assembly hall crane access area

TBD TBD

IR hall crane access area (WxL)

18x39

Max detector height 15.8 (=8.6+7.2) (Cables, cryogenic apparatus, etc., not included)

Detector diameter 14.4

Minimum detector clearance

X; 5.2 (to wall)

Z; 5.0 (to wall)

6

Others

Hybrid Pure CMS

Electronics hut 4x10x10(m3)x2huts

Electronics hut location

Against wall at both sides

When the e-hut is installed underground

After assembly of detector