1. M1 Installation Schedule Plans Burkhard Schmidt Muon Meeting 22.06.2009

2. Planning 2 nd layer Chamber installation for the 2 nd layer of A-side front to completed in the coming days: - 7 R3 will be installed hopefully tomorrow, the 4 R4 chambers on Friday  Completion two weeks behind the planning, but not critical

3. Planning 2 nd layer Alignment of the 2 nd layer of the C-side has been completed today On the A-side it started and should be completed by the end of next week. Testing on the A-side is progressing slowly, but: Fernando is back ! It should be completed LATEST by middle of next week!

4. Planning for the coming weeks Week 25 (June 15-19): – Complete alignment C-side, Tidy up cabling on the C-side  There are only 3 weeks left to complete the M1-installation ! Week 26 (June 22-26): – Complete chamber installation, – Complete A-back testing and alignment; – Install moving system control parts and guides; – Complete cooling system Week 27 (June 29-July 3): – Complete A-front testing and alignment – Tidy up cabling on the A-side Week 28 (July 6-10): – Close M1 and align/survey it

5. Tasks week 26 (June 22-26) Detector movements: ECAL A-side partially closed this morning for alignment of A-back D-column; to be reopened tomorrow afternoon. Also SPD/PS has to be opened by ~1m then. M1 A-side will be closed on Wednesday for alignment of A-back B- and A- column.  Final closing of M2-M5 will take place on Wednesday, followed by a survey on Thursday. Other tasks: Work on the installation of the air cooling system resumed today and will be completed this week (Luca, Bernard, Burkhard). The filters needed to solve the problem with the ‘variators’ of the air cooling system of M2-5 have been installed on the A-side. Problem fixed. To be done on the C-side (Nikolai, Burkhard). Work on the commissioning of the temperature sensors (PT100) for M1 should be completed this week (Rafael, Burkhard). Replacement of HV resistors and the subsequent tests of the UF/PNPI HV- system has resumed last week. On track.