1. ELENA Installation follow-up 21/05/2015 Worksite follow-up

2. EN-EL-CF works: – 3 racks to be installed (Imply the relocation of the AUG) – Relocation of cables on the cable trays to be done Worksite follow-up

3. EN-EL-BT works: Nouvel ERD en place : Câblage a réaliser la semaine prochaine AUG a réinstaller une fois les 3 derniers racks en place Semaine prochaine : ajout de terre la semaine prochaine pour rack cage faraday Raccord des racks au nouvel ERD à prévoir : Worksite follow-up

4. GS-SE Works : Worksite follow-up

5. GS-SE Works : Worksite follow-up

6. Cooling network for ELENA (193) : – Installation is about to finish : One last “piquage” for GBAR... – X-ray inspection (by night) are done and showed very good result. Pressure tests will be done during the coming weeks (No impact on the worksite)

7. Worksite follow-up General information : Metallic waste to be evacuated, action EN-EL EN-EL-BT Discussions on-going for the reinstallation of the crane Dismantling activities for ELENA will be finished very soon : Wood and metallic skip will be evacuated in the coming weeks Cables to be removed

8. Activities for the week 19-20: – Survey marking – T. Dobers (EN-MEF) – Cleaning of GBAR area – E. Harrouch (EN-MEF) – Dismantling of the actual rack platform – Daniel Parchet (GS-SE) (postponed to next week) – Completion of the lateral false floor – Daniel Parchet (GS-SE) (postponed to next week) – ELENA Cooling Network installation - F. Moro (EN- CV) – EN-EL-BT Works – R. Necca/M. Rigollet(EN-EL) Worksite follow-up

9. Activities for the week 21: – Survey marking (LNI, LNS and LNE00) – T. Dobers (EN- MEF) – Cleaning of GBAR area – E. Harrouch (EN-MEF) – Completion of platform modifications – Daniel Parchet (GS-SE) (postponed to next week) – ELENA Cooling Network installation - F. Moro (EN-CV) – 3 Rack installation – P. Burdelski (EN-EL) – EN-EL-BT Works – R. Necca/M. Rigollet(EN-EL) – Drilling by EN-MEF-SI for mechanical support? – A. Kolehmainen (EN-MME) Worksite follow-up