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Mingqian practice » History » Version 29

Mngqian Chen, 10/26/2015 09:14 PM

1 1 Matthew Wetstein
h1. Mingqian practice
2 1 Matthew Wetstein
3 27 Mngqian Chen
h1. Measurement of the hall
4 6 Carrie McGivern
5 15 Mngqian Chen
Move the cables out 1' from the left site of the veto to cross the pipe then bring then up to the cable tray. 
6 6 Carrie McGivern
7 8 Carrie McGivern
!{width:400px}https://cdcvs.fnal.gov/redmine/attachments/download/29822/IMG_7396.jpg!
8 9 Carrie McGivern
9 15 Mngqian Chen
Move the cables out 6'' from the right side of the veto and then bring them up to the cable tray.
10 14 Mngqian Chen
11 14 Mngqian Chen
!{width:400px}https://cdcvs.fnal.gov/redmine/attachments/download/29835/IMG_7397.jpg!
12 14 Mngqian Chen
13 13 Mngqian Chen
It is proposed that the current cable tray (located a couple of feet above the Veto Wall) be removed and places a foot above the Veto Wall.
14 13 Mngqian Chen
15 12 Mngqian Chen
!{width:400px}https://cdcvs.fnal.gov/redmine/attachments/download/29834/IMG_7394.jpg!
16 11 Mngqian Chen
17 16 Mngqian Chen
There's a cable tray 2' under the second platform and it is half full.
18 16 Mngqian Chen
19 17 Mngqian Chen
!{width:400px}https://cdcvs.fnal.gov/redmine/attachments/download/29836/IMG_7392.jpg!
20 1 Matthew Wetstein
21 17 Mngqian Chen
!{width:400px}https://cdcvs.fnal.gov/redmine/attachments/download/29837/IMG_7398.jpg!
22 18 Mngqian Chen
23 27 Mngqian Chen
h1. There're four possible ways to route the cables.
24 19 Mngqian Chen
25 24 Mngqian Chen
h2. Option1:
26 19 Mngqian Chen
27 29 Mngqian Chen
!{width:800px}https://cdcvs.fnal.gov/redmine/attachments/download/29969/屏幕快照%202015-10-26%20下午9.02.35.png!
28 29 Mngqian Chen
29 29 Mngqian Chen
h2. Other options:
30 29 Mngqian Chen
31 29 Mngqian Chen
h2. Option 2:
32 29 Mngqian Chen
33 29 Mngqian Chen
!{width:800px}https://cdcvs.fnal.gov/redmine/attachments/download/29970/屏幕快照%202015-10-26%20下午9.02.54.png!
34 29 Mngqian Chen
35 29 Mngqian Chen
h2. Option 3:
36 29 Mngqian Chen
37 29 Mngqian Chen
!{width:800px}https://cdcvs.fnal.gov/redmine/attachments/download/29971/屏幕快照%202015-10-26%20下午9.03.04.png!
38 29 Mngqian Chen
39 29 Mngqian Chen
h2. Option 4:
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41 29 Mngqian Chen
!{width:800px}https://cdcvs.fnal.gov/redmine/attachments/download/29972/屏幕快照%202015-10-26%20下午9.03.17.png!
42 29 Mngqian Chen
43 22 Mngqian Chen
44 19 Mngqian Chen
45 28 Mngqian Chen
46 28 Mngqian Chen
47 27 Mngqian Chen
routes the left veto wall cables to the left of the Veto Wall, underneath the second floor walkway. All the cables need to be of 598 feet in length. A foot for slack from the pmt to mounting on the wall, 13' to the top of the wall and then another foot to get to the cable tray, then XX feet to the rack
48 27 Mngqian Chen
Two cable trays already exist but there is a 2-3' gap that needs to be filled. It is proposed that the current cable tray (located a couple of feet above the Veto Wall) be removed and places a foot above the Veto Wall, for right side cables that need to run to the other side of the wall.