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RADIATION PROTECTION TAS/TAN DOSE RATE MEASUREMENT

HL-LHC WP8BI-WEEKLY MEETING, MAY 19TH 2014

Cristina Adorisio (CERN - DGS/RP)

TAN- LSS1L

SIDE 1 SIDE 3

SIDE 2

TOP 1TOP 2 TOP 3

TOP 4

TOP 6TOP 7

SIDE 3

SIDE 1

TOP 5

TAN- LSS1R

TOP 6TOP 5

TOP 4

TOP 2

SIDE 3

SIDE 1

TOP 1

SIDE 2

TOP 3

SIDE 2

TOP 7

HL-LHC WP8 Bi-Weekly Meeting, May 5th, 2014 3

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HL-LH

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4TAN

1L 1R 5L 5R 1L 1R 5L 5R 1L 1R 5L 5R 1L 1L 1R 1R 5L 5RTOP 1 35 69 110 80 50 2 2.2 28 21 11 - 12 -

2 10 15 27 23 11 - - - - - - - -3 10 13.5 30 38 20 - - - - 6.5 15 5.74 18 15 30 40 - - - - - 11 7.5 8 75 20 22 30 40 - 12 24 5 13.5 - - - -6 20 17.5 25 42 - - - - - 16 6.5 3.8 5.67 60 33 80 76 50 20 2.2 29 38 20 - 17.2 -

SIDE 1 10 15 18 17 7 4.6 6 8 4.7 - - - -2 21 16.5 14 21 7 7 8.3 7.5 5.5 6.4 7 6.5 6.83 65 45 78 83 50 25 15 36 38 - - -

3300 1740 1550with ZDC with bars with ZDC with bars

INSIDE

2013 - LS11 month cooling < 3 months cooling > 4 months cooling

2013.01.07 2013.02.18 2013.04.18

2012 - Xmas TS> 1 week cooling

2012.12.17

2012 - Xmas TS 2012 - Xmas TS

Resi

dual D

ose

Rate

(uSv/h

)

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4TAS – TUNNEL SIDE

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4TAS – TUNNEL SIDE

Date Colling time IR1-L IR1-R IR5-L IR5-R12.2012 2 weeks 325 310 390 5102.2013 2 months 155 140 390 44012.2013 1 year 36 30 125 70

TASResidual Dose Rate

(uSv/h)

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4TAS – EXPERIMENT SIDE

123

60

42

24

6.5 6.5

24

47

71

101 16 8

7.2

4

5

29 1610

4.3

2 2

3.5

19

35

36

40cm 1.5 m

40cm

2.5 mSv/h

ECT - TAS side C, 21-Feb-2013Distance from Beam Pipe: Contact, 20 cm, 40 cm, 1m, 2mDrawing ATCO_0012Measurements in mSv/h RP - Conan Nadine; RPE – Spigo Giancarlo

Contact

Contact

TASVT

VJ

ECT

12880 (ECT)

13207 (VT)

18600 (monobloc)

1660

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4TAS – EXPERIMENT SIDE

ddd porte FIN fermée 0.3µSv/h

Beam pipe 80µSv/h max contact14µSv/h à 40cm

4µSv/ au poste de travail

BLM 11µSv/h contact

Bride 32µSv/h contact

ddd ambiant dans ce secteur au poste de travail 4µSvh

Survey 20.11.13 – Mesures AD6

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THANK YOUFOR YOUR ATTENTION!