Conventional waste skips HL-LHC - discussion EN-EL and EN-HE #2

Thursday 25 Sept 2025, 15:00 → 16:00 Europe/Zurich

30/3-023 (CERN)

Participants: D. Bozzini, D. Ramrekha, G. Georgiev, M. Pérez Ornedo, J. Batista Lopes, N. Dos Santos

 

P1 - conventional de-cabling waste

1.      Duration: 2 weeks, approx. 4 containers/day (with some daily variation). Considered feasible from EN-HE perspective. Containers are CERN property.

·       LSSR1 is 11/11/2026 to 25/11/2026 (from EN-ACE planning)

·       LSSL1 is 04/12/2026 to 18/12/2026 (from EN-ACE planning)

2.      Total: 5x 4m3 skips per side, 10 in total (so 20m3 + 20m3). GMG confirms its initial request.

3.      Underground logistics: 4 containers underground at the same time (2 in use, 2 being transported up/down, one per side). EN-HE to confirm availability of trailers for this handling. María

4.      Storage underground: Proposal is initially in PM15, then possibly UJ14/16. Co-activity to be checked with Estrella in case trailers/containers need to be moved. GMG to provide a sketch proposing the space to be reserved over the specified period and working methods (two shifts), or use of racks space if already removed. Georgi

5.      Once available, DKR/DB to share and validate with Jerome Panigoni. Darshana, Davide

6.      No scaffolding required for skip + trailer.

 

P5 - conventional de-cabling waste

1. EN-EL requires 40 × 1 m³ skips (possible backlog is already considered in this estimate) for the 2-week campaign. This is the total for both sides of P5. The 4 m³ skips are not suitable.
2. Once filled and transported to surface by EN-HE, 1 m³ skips will be transported by Transvoirie to B133, then managed by SCE.
3. Paolo/Caterina to confirm with Cedric Garino availability of requested skips in the requested period. Paolo, Caterina
4. Start foreseen beginning of 2027, lasting 2 weeks, different timeframe than P1.
• LSSL5 is 02/02/2027 to 16/02/2027 (from EN-ACE planning)
• LSSR5 is 16/02/2027 to 16/03/2027 (from EN-ACE planning)

 

Other EN-EL conventional waste

1. Email with Gael/Cedric/Jerome sent to Nuno/Dimitrios. Darshana (done, sent to Nuno, Dimitrios, Davide)
2. Nuno to review all P5 conventional de-installation needs and related space requirements, compare with what was previously requested on the

Space management SharePoints. To share an update with WP15 and space management team. Nuno

1. DKR/DB to communicate with Dimitrios to do the same for P1. Davide, Darshana
2. DKR/DB to hold a meeting with Jerome Panigoni to align on existing and new requests. Davide, Darshana (Meeting to be held on 8th October)