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Copyright © Risknowlogy®. All rights reserved. v9
Installed systems - the same essentials
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How much risk do your hazards pose?
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re-HAZOP
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How much risk reduction do you need to make the risks tolerable?
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re-LOPA if the re-HAZOP finds changes
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Is what you’ve (previously) designed / built giving you the risk reduction you need?
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the difficult bit
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Is it ALARP?
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Is there anything else you could (economically) do to reduce risk?
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