1. Upgrade projects and APT update DT-LHCb coordination meeting 28 September 2015

2. APT update Numbers given as agreed with Mar and Andrea Request to increase FTE for O. Jamet has been made

3. APT update

4. Road to the EDR 4 Requirements Safety system Transfer line concept Plant concept design Requirements Evaporator concept and performance Transfer line concept Redundancy concept P&ID FA Engineering Design Review Velo UT Evaporator concept and performance Overview of the main system aspects

5. Components to be reviewed 1.VELO and UT evaporator concept and performance – Important to experimentally validate the assumptions made in the requirements document – Review the suggested evaporator and manifold design – Conceptual design of the connection to the junction box 2.Transfer line concept – Finalize locations for cooling plant and junction box – To be done in close collaboration with the TC team 3.Cooling plant conceptual design – P&I document, only very basic Functional Analysis (FA) – Review of schedule and cost estimate for cooling plant – WP between LHCb and DT for plant construction 5

6. Cooling plant location 6 Preferred Location: Alcove PZ85 (VELO side) – About 25-30m 2 are available and easy to access for objects up to 90cm wide, 1.4m long and 2m + high – Area needs to be equipped with power (EXD, EBD, ESD), network, primary cooling – poor ventilation  Seems to be the best option. – Additional advantage: The transfer line towards the detector would be straight. Passing the shielding wall looks not too complicated.

7. Junction box location Preferred Location: On top of the LHCb magnet Not much space needed Straight forward connection to transfer line running on the top (close to crane gallery) Ideal to distribute from there to UT A-and C-side, and VELO 7

8. 2014 – Q34: Requirement document by VELO and UT 2015 – Q12: Development and definition of evaporator systems – Q23: Concept P&ID Preliminary sizing Control philosophy Redundancy approach – Q3: P&ID document & functional analyses – Oct 2015: Cooling EDR – Q4 start of design 2016 – Q123 Detailed 3D design of hardware Evaporator, junction box, transfer line, cooling plants – May 2016: Cooling PRR junction box, transfer line – Oct 2016: Cooling PRR cooling plant. – Q4 Production of transfer line and junction box 2017 – Q1 Transfer line and junction box installation (EYETS, 19 weeks) – Q1234 Production of the cooling hardware 2018 – Q12 cooling system installation in UXA (preferred place: A-side alcove) – Q234 Cooling system over junction box commissioning – Q3 start of LS2 – Q4 Removal of current VELO and TT 2019 – Q2 Upgrade VELO and UT installation – Q34 Detector commissioning with cooling – Q4 end of LS2 Present Schedule Comments: Needs to be updated for the EDR, taking into account: – The updated LHC schedule – The new concept using the LUCASZ unit for UT installation and commissioning – Time for procurement of cooling plant components after the PRR 8

9. Date for Cooling EDR LHCb week: 7 – 11 December 2015 Start of YETS: December 13  Do the EDR before these dates/constraints Suggestion: Thursday, December 3, full day ? Shall we have external reviewers ? 9