CERN ATOMTEX BDKG-24, Руководство пользователя

Страница: 90 / 93

REFERENCE EDMS NO. REV. VALIDITY
TOF-TAR-PRD-0001 1867100 1.0 RELEASED
Page 90 of 93
Name of task
690. Remove inner
beam dump blocks
Exposed people
Local dose rate 0.5 µSv/hr
Workforce 4 (Depending on weight of
blocks)
Time needed 30 minutes
Calculated dose
Responsible EN-EA
Involved EN-EA/ EN-HE
Comments:
Installed by crane.
Inner steel blocks probably will be activated.
A cherry picker will be needed.
A mobile crane will be needed.
These can go into ISR8 Storage Area if needed.
THIS SHOULD BE DONE IN THE SUMMER TO AVOID
WINTER WEATHER.
SmarTeam numbers and weights of the blocks:
ST0188975
– 2000 kg
ST0257846 – 450 kg
ST0257628 215 kg
Questions:
Inner dump blocks
Remaining inner
blocks are steel
Borated Polyethylene