HI-ECN3 Target Complex Infrastructure Workshop

Tuesday 4 Nov 2025, 08:45 → 17:00 Europe/Zurich

31/3-004 - IT Amphitheatre (CERN)

Fernando Baltasar Dos Santos Pedrosa (CERN), Jean-Louis Grenard (CERN)

Objectives of this workshop:

• Ensure all requirements are understood
• To understand studies progress by the different parties
• Ensure sufficient spaces are reserved within the target complex
• Ensure interfaces between systems and other part of NA are defined
• Ensure safety aspect are being integrated by the different parties

 

This time we will focus on the overall target complex including update with the target complex service building, routing of utilities from surface to underground, interfaces with SHiP and the beam line

Planning, Budget and Resources won't be discussed during this Workshop.

Scientific secretaries: Ixone Angulo, Gemma Humphreys

08:45 → 08:55 Workshop introduction and objectives

Speakers: Claudia Ahdida, Fernando Baltasar Dos Santos Pedrosa (CERN), Jean-Louis Grenard (CERN), Matthew Alexander Fraser (CERN)

08:55 → 09:10 Target requirements

Cooling needs (Water and Helium)
Control needs (target life monitoring)
Target Loss Of Coolant Accident update

Speakers: Mike Parkin (CERN), Rui Franqueira Ximenes (CERN)

09:10 → 09:30 Target complex requirement

Proximity shielding cooling requirements
Target station confinements requirements (vaccum vessel and target area confinements)
Shielding requirements

Speaker: Jean-Louis Grenard (CERN)

09:30 → 09:45 Service cell study - Update

Foot print inside service building
Loads to service building
Handling needs
Power load

Speaker: Jean-Louis Grenard (CERN)

09:50 → 10:05 TSAC1# response update

Speakers: Jean-Louis Grenard (CERN), Rui Franqueira Ximenes (CERN)

10:05 → 10:25 Target area RP requirement

Specific requirement for cooling systems (including target area and 911, access shaft and ECN3)
Specific requirements for target area and target station confinements
RP monitoring infrastructure

Speaker: Claudia Ahdida

10:25 → 10:45 Coffee break

10:45 → 11:05 Fire safety concept surface building and underground - update

Speakers: Mr Oriol Rios (CERN), Rahul Kallada Janardhan (HSE-OHS)

11:05 → 11:25 General safety requirements

Surface buidling emergency egress paths requirements
Seismic and structural regulation
Electrical safety
Ventilation safety
Environment safety
General safety
Noise mitigation

Speakers: Andre Henriques (CERN), Benoit Bouvet (CERN), Igor Neuhold (CERN), James John Scott Currie, Marco Andreini (CERN), Melania Averna (CERN), Simon Marsh (CERN)

11:25 → 11:50 Target station cooling station - update

Thermals loads summary (target, proximity shielding, Magnetized Hadron Stopper coil)
Cooling P&ID
Water or Helium as cooling medium for target - differences
Loss of Coolant Accident
Target cooling station functional requirement
Interfaces
Maintenance scenarios
Loads to the building
Power requirements
Noise mitigation measures

Speaker: Francesco Dragoni (CERN)

11:50 → 12:10 Session wrap-up

Speakers: Fernando Baltasar Dos Santos Pedrosa (CERN), Jean-Louis Grenard (CERN)

12:10 → 13:30 Lunch Break

13:30 → 13:55 Target complex ventilation

Thermals loads summary
Surface building ventilation concept
Underground ventilation concept
Ventilation P&ID (surface and underground)
Smoke extraction
Ventilation system integration
Degraded modes
Interfaces
Loads to the building
Power requirements

Speaker: Nikola Zaric

13:55 → 14:15 Transport and handling systems and volumes

Handling equipment (cranes, hoist, transfer systems)
Handling volumes (754, 911, shaft, ECN3, TCC8)

Speakers: Cristina Duran Gutierrez, Roberto Rinaldesi (CERN)

14:15 → 14:35 Safety systems

Safety systems preliminary design
Fire detection
Fire protection systems
Access systems
Fire doors
Safety system functionnal requirement
Interfaces
Space needs
Power requirements

Speakers: Boris Morand (CERN), Michael Dole (CERN)

14:35 → 14:55 Electrical infrastructure

Electrical infrastructure preliminary design
Power loads (summary of the needs)
Power distribution
Control racks
Cables tray
Secured network
Electrical systems functional requirement
Interfaces
Control distribution
Space and load requirements

Speakers: Eva Cano Gonzalez (CERN), Guillaume Gros (CERN), Ming Dao Liu

14:55 → 15:15 Control Optical fiber and IT infrastructure

Optical fiber distribution
IT infrastructure
Control racks needs
Cable tray needs
Power needs

Speakers: Jeremy Blanc (CERN), Mohssen Souayah (CERN)

15:15 → 15:35 Coffee break

15:35 → 15:55 Interface between SHiP and target complex

Usage of access shaft in 911
Muon Shield region requirements
Utilities rountig at the junction between TCC8 and ECN3

Speaker: Pablo Santos Diaz (CERN)

15:55 → 16:15 Target service building civil engineering

Summary of loads
CE constrains (TCC8 soil retaining wall)
Building footprint limits
Interfaces for services and between other CE infrastructures
CE structures
Sump system
Doors

Speakers: David Rodriguez Gomez (CERN), Guillaume Cnudde

16:15 → 16:35 Target complex integration

Speaker: Beatriz Martinez Sutil (CERN)

16:35 → 16:55 Workshop wrap-up

Speakers: Fernando Baltasar Dos Santos Pedrosa (CERN), Jean-Louis Grenard (CERN)