1. N. Dos Santos1 TX54 Mobile Shielding Door 106th CEMESTE – 13.06.07 N. Dos Santos/ TS-LEA Floor steel plates and anchors system Chassis assembly Chassis concreting Concrete blocks installation and survey

2. N. Dos Santos2 TX54

3. 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

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

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

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

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

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

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

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

11. N. Dos Santos11 TX54 – Chassis Concreting Concrete drying

12. 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