Linac4 Connection Broken Line 07/08/19 Rescheduling of the installation of the LT.QFW70 in June/July after civil engineering intervention on the wall close to LT.QDN65 NO IMPACT on the schedule Cooling works: to complete on 14th August at the latest RISK to IMPACT the schedule: tests and commissioning to be performed next week must be compatible with scheduled actvitities Smoothing: 3 weeks allocated in September IMPACT on the schedule: rescheduling of the hardware commissioning Installation of the BLM postponed in August due to the asbestos cleaning NO IMPACT on the schedule Installation of the LBS ongoing but LBS.BVT10 not ready on time MINOR IMPACT on the schedule BE-BI (SEM Grids): not ready for installation before September RISK to IMPACT the schedule

Linac4 Connection Linac4 side Completion of the Linac4 transfer line L4T Completion of the beam line sectors 6 : completed Survey measurement of the overall Linac4 and transfer line completed Smoothing of the overall Linac4 and transfer line will start started – to be completed in September (weeks 37-38-39) 3MeV beam tests ongoing until 23th August Any additional activities must be announced and evaluated if compatible with the smoothing No activities on the beam line to keep references for smoothing No access No co-activities

Linac4 Connection Linac4 side

Linac4 Connection Linac2 rack room side Reconfiguration of the racks room Cabling campaign completed Installation of the new demineralized water cooling pipes below the false floor in progress Installation of the false floor slabs completed Reinstallation of the stairs completed EN-EL-ENP activities being completed this week Individual system tests of the power converters start next week Any additional activities must be announced and evaluated if compatible with the tests No activities

Linac4 Connection Linac2 tunnel side Reconfiguration of the Linac2 Cables connection completed Installation of the new access safety system completed Installation of the new demineralized water cooling pipes in progress – to be completed this week. Tests and Commissioning to be performed at the latest until 14th August but must be compatible with activities scheduled next week

Linac4 Connection PS Switch Yard side Reconfiguration of the beam lines Cabling campaign starts completed (additional activities to replace the DC cables) Installation of the new crane completed Installation of the new metallic platform completed Refurbishment of the floor and painting completed (Re-)installation of the beam line starts in progress Re-installation of beam line equipment on LT completed and LTB being completed (remain vacuum pipe and MSFH/V40) Alignment LT completed, LTB completed, LBE in progress Vacuum connection, pumping and leak detection in progress Measurement and Smoothing start next week

Linac4 Connection PS Switch Yard side SEM Grids installation delayed Positioning of the cables can start now as all supports are installed  can impact the ISTs

Linac4 Connection PS Switch Yard side Status of the BI line: girder installed – can we complete the installation on it? Status of the LBS line: end line installed, vacuum equipment being installed – can we install the LBS.BVT10?