1. Paolo Guglielmini - TS / CV LHCb Install Meeting - 20/04/2005 LHCb Install Meeting 20/04/05 TS / CV / Detector Cooling Installations

2. Detector Cooling activities for the LHCb experiment Project Leader: Paolo Guglielmini Inner Tracker cooling unit IT-3314 Tracker Trigger cooling unit RICH 1 & 2 cooling unit Outer Tracker cooling unit Primary cooling system modifications Backup chiller for IT, TT and VELO stations SPD/PS detectors air cooling Others Muon on-detector air cooling Gas compressors cooling Cooling systems from mixed water network IT-3307 Paolo Guglielmini - TS / CV LHCb Install Meeting - 20/04/2005

3. IT-3314:Inner Tracker Tracker Trigger DESCRIPTIONBoth cooling systems at fluorocarbon C 6 F 14 in liquid state are based on a water condensed chiller connected to CERN mixed water network. They shall remove respectively some 2 kW and 1.65 kW heat power at -15°C from IT and TT detectors. BUDGET CODET757000 SCHEDULEContract signatureApril 2005 Installation at Contractor’s premisesJuly 2005 Installation of pipelines and manifolds in the UX85October 2005 Installation of the unit in the UX85End 2005 Performance tests in the UX85February 2006 CommissioningMarch 2006 Paolo Guglielmini - TS / CV LHCb Install Meeting - 20/04/2005

4. DESCRIPTIONThe cooling system running fluorocarbon C 6 F 14 in liquid state is based on a heat exchanger connected to CERN chilled water network and shall remove some 4 kW heat power at 10°C from both detectors. BUDGET CODE T753000 (70%) and 32551 (30%) SCHEDULEContract signature April 2005 Installation at Contractor’s premisesJuly 2005 Installation of pipelines and manifolds in the UX85October 2005 Installation of the unit in the UX85End 2005 Performance tests in the UX85February 2006 CommissioningMarch 2006 IT-3314:RICH 1 & 2 Paolo Guglielmini - TS / CV LHCb Install Meeting - 20/04/2005

5. 1 2 1.Location of the cooling stations Metallic platform on the protected area of the RB84 side. 2.Transfer lines path along the cavern Grouped supply/return pipelines around the shielding wall, across the vault, down to detector zone. IT-3314 Paolo Guglielmini - TS / CV LHCb Install Meeting - 20/04/2005

6. IT-3314 3 4 3.TT distribution manifolds Inner cooling circuits fed by ten independent lines with different flows. 4.IT distribution manifolds Inner cooling circuits fed by twelve independent lines with equal flow. No distribution manifolds provided for RICHes lines. Paolo Guglielmini - TS / CV LHCb Install Meeting - 20/04/2005

7. IT3307:Outer Tracker DESCRIPTIONThe cooling system running demineralised water is based on a heat exchanger connected to CERN mixed water network and shall remove some 23 kW heat power at 19°C from the detector. BUDGET CODET229900 SCHEDULEContract signature April 2005 Installation of pipelines and manifolds in the UX85June – July 2005 Installation at Contractor’s premisesSeptember 2005 Installation of the unit in the UX85End 2005 Paolo Guglielmini - TS / CV LHCb Install Meeting - 20/04/2005

8. IT3307:Primary cooling system modifications DESCRIPTIONThe already existing pipelines for chilled and mixed water (on RB86 side), compressed air (on both sides) and demineralised water (on RB84 side) shall be prolonged. The counting houses cooling lines shall be installed and equipped. Metallic supports for the transfer lines of detector cooling units shall be constructed on the RB84 side of the UX85. BUDGET CODE32560 SCHEDULEContract signature April 2005 Installation of the pipelines for primary networks in the UX85, including installation and electrical tests on related equipmentsJune – July 2005 Paolo Guglielmini - TS / CV LHCb Install Meeting - 20/04/2005

9. IT-3307 RB84 RB86 2 1 RB84 1.Compressed air (in white) Demineralised water (in light blue) 2.Chilled water (in light blue) Mixed water (in green) RB84 2 Paolo Guglielmini - TS / CV LHCb Install Meeting - 20/04/2005

10. IT-3307 1 2 3 Connections to: 1.barracks D1 and D2 2. barracks D3/A and D3/B 3. detector cooling systems Paolo Guglielmini - TS / CV LHCb Install Meeting - 20/04/2005

11. Others (1/5):Backup chiller for IT, TT and VELO cooling stations DESCRIPTIONAn air chilled fridge unit (32 kW cooling capacity) shall be provided as a backup for the IT, TT and VELO cooling systems, in order to supply mixed water at 13°C in case of breakdown or maintenance of the standard network. The chiller will be located on top of the barracks and equipped with automatic valves. BUDGET CODE32560 SCHEDULE Installation and commissioning of unit and related pipeworks July 2005 Paolo Guglielmini - TS / CV LHCb Install Meeting - 20/04/2005

12. Others (2/5):SPD/PS detectors air cooling DESCRIPTIONThe electronic acquisition cards for the SPD and PS, dissipating a total heat power of about 4.4 kW shall be cooled down with a dried and filtered air flow at 6 bar pressure. All components of the cooling system shall be positioned into a zone of the protected area still to be defined according to technical and integration matters. SCHEDULE Cooling system tested and commissioned February 2006 PS SPD Paolo Guglielmini - TS / CV LHCb Install Meeting - 20/04/2005

13. Others (3/5):Muon on-detector air cooling DESCRIPTIONThe on-detector electronic, fitted with the Muon chambers in stations M1-M5 shall be cooled by means of a forced air circulation. The air will be taken form the bulk by a fan, and exhausted to the bulk, the cooling capacity being assured by the cavern ventilation system. The heat dissipated by on-detector electronic is 3.5 kW for station M1, 3 kW for stations M2 and M3 and 2 kW for stations M4 and M5. SCHEDULE Cooling system tested and commissioned February 2006 Paolo Guglielmini - TS / CV LHCb Install Meeting - 20/04/2005

14. Others (4/5):Gas compressor cooling DESCRIPTIONTwo gas compressors located in building 2870/R-004 release during normal functioning a heat power of about 8 kW each. An independent cooling unit shall be connected to both compressors in order to dissipate such heat power. SCHEDULE Cooling system tested and commissioned February 2006 Paolo Guglielmini - TS / CV LHCb Install Meeting - 20/04/2005

15. Balcony racks LVPS on bunker Gas racks IT/TT service boxes Muon racks Calorimeter racks VELO vacuum pump Total heat dissipated [kW] 4096 8 (RB86) 4 (RB84) 4 (IT) 4.5 (TT) 24303 Others (5/5):Cooling systems from mixed water network DESCRIPTIONDifferent heat sources in the UX85 shall be cooled down with systems running mixed water coming from CERN network. SCHEDULE Cooling systems (pipeworks and supply/return equipped manifolds) installed, tested and commissioned February 2006 Paolo Guglielmini - TS / CV LHCb Install Meeting - 20/04/2005

16. Others (5/5):Cooling systems from mixed water network Paolo Guglielmini - TS / CV LHCb Install Meeting - 20/04/2005

17. IT3307 – Installation matters JUNE – JULY 05 1. cooling pipes integration in the detector area (RB84 side): to be finished and approved for the 6 th of May 2. work sequence: primary system RB86 side barracks lines supports RB84 side OT transfer lines 3. storage area for Contractor’s material to be reserved (SG8 2870?) 4. cable trays around the new pipelines for chilled water, mixed water and compressed air to be dismounted (RB86) 5. metallic platform on left side of the vault area to be dismounted, all RB84 side to be prepared for installation 6. new metallic structure behind counting houses: to be finished in three weeks 7. positioning of the OT unit on the platform (autumn): dimensional constraints, to be studied how to lift it up