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LOPA Exercise PSLG WG3
12/02/2009
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PSLG WG 3
LOPA SUBGROUP
Dave Ransome
P &I Design Ltd
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PSLG WG 3
Part of the work of the PSLGWorking
Group 3 is to provide guidelines in the
use of LOPA as a tool in accessing the
layers of protection required to prevent
a tank overfill leading to an OFCE.
A WG3 sub-group conducted a LOPA
with the assistance of a UK Terminal
with both ship and pipeline imports.
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LOPA Subgroup Exercise
The terminal manager outlined the
operating principles and methods of
transferring product into the
terminal.
Imports are to one of two tanks from
either ship or pipeline.
All imports were to a single tank, no
multiple tank imports are performed.
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Pipeline Import
Pipeline imports are from a
dedicated source and the total parcel
of the import is for the terminal. The
transfer is a batch process of a known
quantity with no product changeover.
When on pipeline transfer no other
receiver is connected to the pipeline.
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APPENDIX 1