DC cable rerouting Comparison of 3 options. Goals Remove cable trays above Splitter magnets Exchange and re-route PVC insulated cables by PVC-free ones.

Présentation au sujet: "DC cable rerouting Comparison of 3 options. Goals Remove cable trays above Splitter magnets Exchange and re-route PVC insulated cables by PVC-free ones."— Transcription de la présentation:

1 DC cable rerouting Comparison of 3 options

2 Goals Remove cable trays above Splitter magnets Exchange and re-route PVC insulated cables by PVC-free ones

3 MDLV_240104 All the DC cables feeding the magnets upstream MDLV_240104 to be exchanged

4 Current state 2 cable trays: OD115 and OD 116 32/34 DC cables must be exchanged in OD115 14/32 DC cables must be exchanged in OD116 OD 115 OD 116 OD 115 OD 116 To be exchanged remaining

5 3 options Cable junction A B C OptionDose rateExtra length A100 uSv0 m B15 uSv40 m C1 uSv130 m

6 MDLV_240104 Option A

7 OPTION B DANS LA SECTION DE 8m, BIEN AVANT LES PREMIERS MOUVEMENTS DECHELLES

8 Option C: add one rack per cable tray in TA801 Il existe déjà 4 RAL ou la jonction est faite entre câbles contrôles venant du BA80 et allant en TCC2 ou TDC2. Les câbles entrant et sortant passent à travers le caillebotis entre celui-ci et léchelle supérieure

9 3 options: dose cost OperationDuration (min)# peopleABC Disconnect 1 cable31 690 Cut 1 cable31 23034.52.3 Remove 10 m cable102 383353676862 Install 10 m cable302 115001610020585 Reconnect 1 cable151 3450 Make new cable junction 302 460069046 TOTAL IN uSv243032633131635 Cable trays modification not included The best solution seems to be option A Removing and pulling cables is time consuming and hence highly dose costing