Page 462 - Offshore Electrical Engineering Manual

Safeguards 449

Table 9.3.2 Typical Summary of SIL and Test Interval for Each Tested Loop
Loop Number
as Seen in SIL Achieved SIL
Verification Loop Required Proposed Test (With Proposed
Sheet Number SIL Interval (h) Test Interval)
3.1 1 1 35,040 1
3.2 2 1 35,040 1
3.3 3 1 35,040 1
3.4 4 1 35,040 1
3.5 5 1 8,760 1
3.6 6 1 35,040 1
3.7 7 1 35,040 1
3.8 8 1 35,040 1
3.9 9 1 35,040 1
3.10 10 1 35,040 1
3.11 11 1 35,040 1
3.12 12 1 8,760 2
3.13 13 1 35,040 1
3.14 14 1 35,040 1
3.15 15 1 35,040 1
3.16 16 1 35,040 1
3.17 17 1 35,040 1
3.18 18 1 35,040 1
3.19 19 1 17,520 1
3.2 20 1 8,760 2
3.21 21 1 8,760 2
3.22 22 1 8,760 2
3.23 23 1 8,760 2
3.24 24 1 8,760 2
3.28 27 1 8,760 1
3.32 28 1 8,760 1
3.37 29 1 8,760 1
3.39 30 1 8,760 1
3.42 31 1 8,760 1
3.43 32 1 35,040 1
3.53 33 1 35,040 1

SIL, safety integrity level.
Obtained from SIL Assessment Meeting.