1 DRAFT EB / EE / ES / HB / PP1 MAINTENANCE (RADIATION SHIELDING & TOOLING FOR INSTALLATION) A.SURKOV University of Wisconsin CERN

2 The goal of design: To provide maintenance and services works of EB / EE / ES / HB / PP1 / PIXEL / TK (from Tracker Bulkhead to 11m); To provide maintenance and services works of EB / EE / ES / HB / PP1 / PIXEL / TK (from Tracker Bulkhead to 11m); To provide safe access to all central subdetectors; To provide safe access to all central subdetectors; The set tooling & radiation shielding should provide full compatibilities with all activities; The set tooling & radiation shielding should provide full compatibilities with all activities; We try to use present equipment from P5 (main platform, “gasprom” platform, yellow structures, EB platform with “enfourneur” We try to use present equipment from P5 (main platform, “gasprom” platform, yellow structures, EB platform with “enfourneur”

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4 EB MAINTENANCE (super module reinstallation)

5 EB PLATFORM MODIFICATION

6 EB TOOLING INSTALLATION

7 EB platform/VT cable treys conflict

8 EB platform/VT cable trays conflict

9 EB SUPER MODULE REINSTALLATION

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11 TK/BP shielding interface

12 Bulkhead & BP shielding

13 Shielding support fix onto PP1

14 Shielding support fix onto PP1

15 BP & forward shielding

16 BP shielding in open position

17 Radiation shielding & supports system (EB/HB/ES/EE maintenance)

18 Bulkhead shielding & support installation onto PP1

19 Shielding/BP interface

20 Front shielding disk with support installation

21 Tooling for support & shielding installation

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24 Temporary bar installation

25 Temporary bar removed

26 Shielding support installation onto PP1

27 Shielding support installation onto PP1

28 Stair-platform & special scaffolding compatibility

29 Star-platform & special scaffolding compatibility

30 Winch system for counter weight stroke

31 Tooling for Support & shielding installation

32 Counterweight remove

33 BP shielding installation

34 BP shielding installation (step by step)

35 Back shielding installation

36 BP temporary support installation

37 Shield seismic load stabilization

38 Shield seismic load stabilization

39 HB/EB/ES/EE maintenance

40 HB/TK/PP1 zone maintenance

41 Radiation shielding & supports system (EB/HB/PP1 maintenance)

42 BP shielding installation

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44 PIXEL/ES/EE maintenance

45 PIXEL REINSTALLATION (LAYOUT)