TRD GAS SYSTEM PRR Gas System Integration Gas

TRD GAS SYSTEM PRR Gas System Integration Gas building Plug area (PX 24) Underground cavern (UX 25) On Detector 03/11/2003 TRD Prouction Readiness Review 1

GAS Building The existing Gas Building at Point 2 has been upgraded A new primary gas storage and distribution system has been installed The TRD gases are to be supplied up to panels in the mixing room Seen on the following layouts 03/11/2003 TRD Prouction Readiness Review 2

PRIMARY GAS DISTRIBUTION FLOWSHEET 03/11/2003 TRD Prouction Readiness Review 3

LAYOUT IN GAS BUILDING 03/11/2003 TRD Prouction Readiness Review 4

SYSTEM LAYOUT Layout on Plug (PX 24) Layout in UX 25 Existing pipework will be re-used as far as possible All pipework will be Stainless Steel Butt welded 03/11/2003 TRD Prouction Readiness Review 5

GAS SYSTEMS ON PLUG (PX 24) 1 TRD gas system 03/11/2003 TRD Prouction Readiness Review 6

GAS SYSTEMS ON PLUG (PX 24) 2 TRD gas distribution units • Pressure regulation • Distribution • Compressor Existing pipes from gas building 03/11/2003 TRD Prouction Readiness Review New capillary 7 Pipes to detector

Gas Distribution in UX 25 • All pipes pass into L 3 volume on RB 24 side • Note tight bending radii through doors 03/11/2003 TRD Prouction Readiness Review 8

TRD pipes up to the Detector Gas pipes from Plug (PX 24) To detector 03/11/2003 TRD Prouction Readiness Review 9

PIPES FROM PLUG TO DETECTOR 1 From distribution on Plug Distribution on Baby Space Frame 03/11/2003 TRD Prouction Readiness Review 10

Pipes around Baby Space Frame 1 Pipes from Plug PX 24 03/11/2003 TRD Prouction Readiness Review 11

Pipework on Detector Pipes from Plug TRD detector Pipes on frame have to be Distributed to allow easy removal of TRD and TOF modules 03/11/2003 TRD Prouction Readiness Review 12