Major works on site

These lists only include approved works whose duration exceeds three months.

Major works, by their scope and duration, mainly concern: 

  • The construction, renovation, alteration or demolition of buildings
  • The maintenance or modification of roads and sidewalks
  • The construction or repair of networks (e.g. sewage)


Building  Requesting Unit Function Works Start date Planned Completion Date
0392 EN Consolidation 18 kV electrical substation ME10 Q1 2023 Q3 2023
0369 SY New area for relocated MTE kickers (PS) Q2 2023 Q1 2024
0775 IT Prevessin Computing Center (phase1) Q1 2022 Q3 2023
3552 EP SXSN5 CMS Multiservices Building Q1 2022 Q3 2023
9500 EN 66kV substation and Harmonic Filters slab@P5 Q4 2021 Q4 2025
9999- 66kV EN 66kV Powerline btw P6 & P5 Q2 2023 Q4 2024
R1 SCE & HSE BR1 bassin retention   Q1 2023 Q4 2023
0679 BE Provision of a platform for treatment and storage of shielding blocks Q2 2023 Q3 2023
Science Gateway CERN Visitors and Educational Facility Q1 2019 Q3 2023
0153-153 Cluster Cooling prod SCE Creation of a new chilled water production for cooling network in cluster 153 Q1 2023 Q4 2023
0904-904 Welding workshop ventilation EN Creation of a new ventilation system with specific filtration unit for welding workshop Q4 2022 Q3 2023
0184 HSE RWTCS Access building Q3 2023 Q3 2024
0193 EN Renovation station électrique ME49 Q3 2023 Q4 2023


Building  Requesting Unit Function Works Start date Planned Completion Date
0052 RCS CERN library public space Q3 2022 Q3 2023
0904-0926-0927 TE/BE/EP Roof consolidation Q3 2022 Q3 2023
0375 SCE Upgrade of eleven septic tanks at the ISR Q3 2023 Q4 2023
0040-40 Chilled water production SCE Renovation of the existing chilled water production for building 40 Q4 2022 Q3 2023
0060 DG Main building renovation Q1 2023 Q3 2025


Last Updated on August 25th 2023