N. Dos Santos1 TX54 Mobile Shielding Door 106th CEMESTE – N. Dos Santos/ TS-LEA Floor steel plates and anchors system Chassis assembly Chassis concreting Concrete blocks installation and survey

N. Dos Santos2 TX54

N. Dos Santos3 What is TX54 Mobile Shielding Door? 1 chassis (20T of steel) 4 airpads (125T each) 20 m rail for chassis guiding 12m3 of concrete (inside chassis) 14 pre-fabricated concrete blocks 3m x 4.3m x 7m, 250T 2 tirfor and anchors system

N. Dos Santos4 TX54 Door – Floor plates and anchors 6mm steel plates, fixed to floor and welded together for airpads

N. Dos Santos5 TX54 Door – Floor plates and anchors Wall and floor anchors Trifor will move the 250t door with airpads

N. Dos Santos6 TX54 – Chassis Assembly 2 weeks assembly by Pakistan team - IHEP

N. Dos Santos7 TX54 – Chassis Assembly Assembly at bottom of PM54 shaft

N. Dos Santos8 TX54 – Shimming and rail installation Shimming done between airpads and chassis feet

N. Dos Santos9 TX54 – Chassis Concreting Concreting done by TS-CE contractor (Scrasa)

N. Dos Santos10 TX54 – Chassis Concreting 12m3 of concrete – 10 trips with SDX5 overhead crane

N. Dos Santos11 TX54 – Chassis Concreting Concrete drying

N. Dos Santos12 Airpads connections Movement test, this week Survey to be done with chassis under shaft and on it’s final position 12 pre-fabricated concrete blocks delivered and installed on chassis, 25th June (14T each block), with survey 2 last blocks delivered end of July Door movement with all blocks TX54 – Next steps… 12m3 of concrete – 10 trips with SDX5 overhead crane