LF364001_MNL - Overfill Protection SIS Design Manual

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Local Fuel – The Shoreham Oil Terminal
Gasoline Import - Safety Instrument System
P & I Design Ltd DOCUMENT NO: LF364006_RPT
2 Reed Street, Thornaby, UK, TS17 7AF ISSUE: C DATE: 13.05.16
Tel: + 44 (0)1642 617444 PAGE 19 OF 23
Fax: + 44 (0)1642 616447
6.5 PFD System Calculations– Spreadsheet Programme
P & I Design Ltd Probability of Failure on Demand (PFD) Summary
Version 5.8
Originator:
Checked:
Approved:
Issue:
Date:
2
Valid
PFD(SYS) =
3.93E-03 = 8.57E-04 Valid 2.20E-05 Valid 1.17E-03 Valid
Valid 3.98E-04 Valid 1.48E-03 Valid
Valid 8.57E-04 Valid 4.20E-04 Valid 2.65E-03 Valid
S.Trip(SYS) =
16.0 = 115.8 Years 59.1 Years 62.4 Years
Years Years 2.6E+02 Years 5.9E+01 Years
Years Years Years
S.Trip(L) S.Trip(FE)
SPURIOUS TRIP SUMMARY
Client:
Project: DSR
DBF
LF364
Local Fuel
Document:
SIS Number:
DSR
B
09.05.16
SAFETY INTEGRITY LEVEL REQUIRED
Shoreham Terminal
LF364101_CAL
LFS-SIS1
Client Ref:
PFD(FE) PFD(S) PFD(L)
CALCULATION SUMMARY
SAFETY INTEGRITY LEVEL ACHIEVED
S.Trip(S)