Accelerator ODH Safety System Stuart Birch Personnel Safety
Accelerator ODH Safety System. Stuart Birch Personnel Safety Systems ESS/ICS/PS Date: 2016 -09 -16
Contents • Scope of the ODH Safety System • ODH Monitor Positions. 2
Scope of Accelerator ODH Safety System • Building G 04 Helium Compressor Building. o TCH/TCCP Hall o ACH/ACCP Hall o HP Gas storage Hall o Dog Shed • Cryo Transfer Gallery and Tunnels/ CTL • Cold Box hall • Cryo Module Test Stand Bunker • Klystron Gallery around Test Stand Bunker • Accelerator Tunnel 3
Buildings and Areas G 04 Helium Compressor Building • • TCH/TMCP Hall ACH/ACCP Hall HPGS Room Dogshed 4
Building G 04 TCH/TMCP 2 m 4 m • TMCP Hall 2 x 4 port Oxigraf Model O 2 i. M oxygen deficiency Monitors mounted at high level. 150 -300 mm below roof level. • TMCP Hall 2 x 1 port Oxigraf Model O 2 i. M oxygen deficiency Monitors mounted at Low level. 0. 5 m above floor. • TMCP Hall 4 x internal sirens and red strobe lights • TMCP Hall 1 x external siren and red strobe lights Question for Review Committee. • Are the high level monitor tubes satisfactory at 300 mm from ceiling? • Are the low level monitor tubes satisfactory at 0. 5 m from the floor? TCH/TMCP Hall Size = 15 m x 30 m x 10 m High 5
G 04 Nitrogen Pipes 6
Building G 04 ACH/ACCP 2 m 4 m • ACCP Hall 3 x 4 port Oxigraf Model O 2 i. M oxygen deficiency Monitors mounted at high level. 150 -300 mm below roof level. • ACCP Hall 2 x 1 port Oxigraf Model O 2 i. M oxygen deficiency Monitors mounted at Low level. 0. 5 m above floor. • ACCP Hall 4 x internal sirens and red strobe lights • ACCP Hall 2 x external sirens and red strobe lights Question for Review Committee. • Do we need the low level monitors in the ACH/ACCP Hall? • Are the high level monitor tubes satisfactory at 300 mm from ceiling? • Are the low level monitor tubes satisfactory at 0. 5 m from the floor? ACH/ACCP Hall Size = 15 m x 40 m x 10 m High 7
Building G 04 HGPS Room 4 m 4 m • HGPS Room 1 x 4 port Oxigraf Model O 2 i. M oxygen deficiency Monitors mounted at high level. 150 -300 mm below roof level. • HGPS Room 1 x 1 port Oxigraf Model O 2 i. M oxygen deficiency Monitor mounted at Low level. 0. 5 m above floor. • HGPS Room 2 x internal sirens and red strobe lights • HGPS Room 1 x external sirens and red strobe lights Question for Review Committee. • Are the high level monitor tubes satisfactory at 300 mm from ceiling? • Are the low level monitor tubes satisfactory at 0. 5 m from the floor? HGPS Hall Size = 16 m x 10 m x 6. 5 m High 8
Building G 04 Dog Shed • Dog shed 1 x 1 port Oxigraf Model O 2 i. M oxygen deficiency Monitor mounted at low level. 0. 5 m above floor Dog Shed Size = 16 m x 10 m x 6. 5 m High 9
Buildings and Areas CTL Gallery 10
CTL Gallery • CTL Gallery 3 x 1 port Oxigraf Model O 2 i. M oxygen deficiency Monitor mounted at high level. 150 mm below the roof. Question/Advice for Review Committee. • Are the committee happy that even though its classified as an enclosed area there is only a single access into this 70 m long tunnel? CTL Gallery Dimensions 70 m x 2. 5 m high 11
Buildings and Areas Cold Box Hall 12
ODH Cold box Hall 4 m 4 m 7 m Cold box Hall Dimensions 65 m x 12 m x 13 m high • Cold Box Hall 3 x 4 port Oxigraf Model O 2 i. M oxygen deficiency Monitors mounted at high level. 150 -300 mm below roof level. • Cold Box Hall 4 x 1 port Oxigraf Model O 2 i. M oxygen deficiency Monitors mounted at Low level. 1 m above floor. • Cold Box Hall 4 x internal sirens and red strobe lights • Cold Box Hall 4 x external sirens and red strobe lights 13
ODH Cold box Hall Low Level Monitor Positions Low level Monitor Positions Cold box Relief Plate 14
Buildings and Areas Cryo test stand Bunker 15
Cryo test stand Bunker 4 m 7 m • Klystron Gallery 2 x 4 port Oxigraf Model O 2 i. M oxygen deficiency Monitors mounted at high level. 150 -300 mm below roof level. • Cryo Test Stand Bunker 2 x 1 port Oxigraf Model O 2 i. M oxygen deficiency Monitors mounted at Low level. 1 m above floor. • Klystron Gallery 4 x internal sirens and red strobe lights • Klystron Gallery 2 x external sirens and red strobe lights • Cryo Test Stand Bunker 2 x internal sirens and red strobe lights 16
Buildings and Areas Accelerator Tunnel 17
ODH Accelerator Tunnel • Accelerator tunnel 14 x 4 port Oxigraf Model O 2 i. M oxygen deficiency Monitors mounted at high level. • Accelerator Tunnel exits and entrances 6 x 1 port Oxigraf Model O 2 i. M oxygen deficiency Monitor mounted at high level. • Accelerator Beam Off stations 50 x strobe and sirens. 18
ODH Accelerator Tunnel stubs and sensors 32 m 16 m Cable stub 4 m 12 m If we lost 1 Oxigraf 4 port sensor it would leave a worst case 40 metres without sensor Question for Review Committee. • I would like the committee’s feelings on this? 19
ODH Accelerator Tunnel Zones and Beam off Stations Siren E-Stop pressed Area search PSS zones ODH indicator E-Stop button Beam ON warning Search button ODH alarm 20
ODH Summary Total number of monitors for the ODH: Oxigraf 4 port system 25 Oxigraf 1 port system 15 ODH Monitor Steel Pipe sizes 2 mm id x 0. 5 mm wall ODH Monitor calibration pipe sizes 2 mm id x 0. 5 mm wall Return back into the tunnel 6 mm id x 0. 5 mm wall Siren/strobe Beam off Station 30 50 21
Questions 22
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G 04 Low Level Monitors Nitrogen pipe (light blue). 31
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