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Transfos (2x 2 MVA)

POINT 8 – New LHCb Buildings in replacement of building 156 ( Meyrin ). New Storage Hall ( 112 m2). PROJECT. New Assembly Hall (485 m2). Technical Gallery. C. B. LS1 Area. LHCb giant poster. D. A. Transfos (2x 2 MVA). Servers (containers). New LHCb Control Room (CR) +

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Transfos (2x 2 MVA)

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  1. POINT 8 – New LHCb Buildings in replacement of building 156 (Meyrin) New Storage Hall (112 m2) PROJECT New Assembly Hall (485 m2) Technical Gallery C B LS1 Area LHCb giant poster D A Transfos (2x 2 MVA) Servers (containers) New LHCb Control Room (CR) + LHC cryogenics CR Big Bang passeport FIG.1 E.PEREZ-DUENAS & D.LACARRERE

  2. In brief the project of the LHCb new buildings for the upgrade phase at Pit 8 consists of three parts. Part 1 : New building for housing the LHCb Control Room (LCR) + meeting room & offices + new Machine Cryogenics Control Room - Project approved – under way. Part 2 : New buildings for assembly and storage (for replacing the building 156 which was allocated to the LHCb Experiment until 2013 – now foreseen & dedicated to the CLIC & HL-LHC activities) – Project in discussion with CLIC & Hl-LHC. Part 3 : Servers in containers (in front of the SHM8) – LHCb project in preparation. The part 1 of the project has been already approved (2012) and studies are under way with GS department & EN/EL & CV (current status – detailed drawings for call for tenders foreseen in Summer 2013). In the following presentation we describe only the part 2 of the global project, which consists of the proposal for the construction of two new buildings (B & C) dedicated to assembly the detectors & storage, in order to replace the 156 building lost by the LHCb Experiment - details please refer to Fig.2 & Fig.3 . The main characteristics of the two future buildings (B & C) are summarized and compared to the existing buildings 156 (MEYRIN site) and SX8 (building from DELPHI at Pit8) in Table 1. E.PEREZ-DUENAS & D.LACARRERE

  3. Building 156 – MEYRIN Site Assembly building up to now dedicated to LHCb , BUT re-allocated to HL-LHC & CLIC activities in near future (?) FIG.2 May 2013 E.PEREZ-DUENAS & D.LACARRERE

  4. Building 156 – Assembly Hall Assembly room dedicated to RICH2 (roughly 20 x 12 x10 m3) FIG.3 May 2013 E.PEREZ-DUENAS & D.LACARRERE

  5. Point 8 – LHCb Storage Outdoor May 2013 May 2013 FIG.4 May 2012 May 2013 E.PEREZ-DUENAS & D.LACARRERE

  6. Point 8 – Available Area (1) A B Area dedicated to LHCb new storage building B (extension 2885-010) FIG.5 May 2013 E.PEREZ-DUENAS & D.LACARRERE

  7. Point 8 – Available Area (2) C Area dedicated to LHCb new assembly building C (3852) FIG.6 May 2013 E.PEREZ-DUENAS & D.LACARRERE

  8. Project - 3 D View B A C D New LHCb Control Room ( ~ 220 m2) + Meeting Room (~ 140 m2) + Offices (~ 80 m2) + new LHC Cryogenic Control Room (~ 55 m2) + Technical rooms (~ 120 m2) - 3 floors (lift 5-6 people) A B New LHCb Storage Hall – 112 m2 – crane 7.5 t (for replacing 156 building) C FIG.7 New LHCb Assembly Hall & Storage - roughly 485 m2 – crane 30 t (for replacing hall 156 at MEYRIN Site) E.PEREZ-DUENAS & D.LACARRERE D Location of the future LHCb servers in containers.

  9. Characteristics TABLE 1 : Main characteristics of new buildings B&C compared to existing buildings 156 & SX8 E.PEREZ-DUENAS & D.LACARRERE

  10. Summary In first approach, the LHCb Experiment leaving the 156 building to the LH-LHC & CLIC activities, is losing roughly 880 m2 for its detector assembly activities and storage. In order to replace this lack of space for LHCb, our proposal is the construction of two new buildings B & C (*) . The B building (112 m2) will be dedicated to the storage (or workshop) and the C building (roughly 485 m2) will be oriented to the assembly of the large detector components such as SUPER-RICH for instance. The total surface required is of the order of 600 m2, compared to 880 m2 lost. The total cost is currently estimated to about 2.2 – 2.3 MCHF including general services (ventilation & heating systems, electrical distribution) and cranes. The tentative of the cost breakdown is shown in Table 2. (numbers to be confirmed by GS, EN/EL & CV). The schedule should be as follows : - Construction Permit Request + detailed drawings in 2013 - Call for tenders in Spring 2014 – Contract Adjudication in June 2014 - Start construction in January 2015. - Reception buildings (B & C) end of 2015. (*) unfortunately two buildings due to the space constraints at Pit 8 E.PEREZ-DUENAS & D.LACARRERE

  11. Cost Estimates GRAND TOTAL = ̴ 2.2 – 2.3 MCHF TABLE 2 : Cost estimates Numbers to be checked (once again) by GS, EN/EL & CV E.PEREZ-DUENAS & D.LACARRERE

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