Rank: New forum user
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Hi All,
I am new to the IOSH community and I am also new to using online forums. I have done the "google bashing" uncovering some fairly complex documents. I am hoping someone will have an understanding of the requirements on here and be able to help out
I need to install a procedure for the identification of Safety Critical Equipment (SCE) and to do this i need a methodology and definition. We have a historic list of equipment that we believe is SCE and maintenance logs for this list, the finding of the inspection is we had no procedure to identify what was SCE and therefore couldn't establish if we had captured all the equipment necessary. I have the definition but now need a way to identify what constitutes SCE. Historically i worked to a "capture all mentality" without the constraints of COMAH and a large site but, now need to ensure resource is appropriately allocated. I was considering the identification process as an output of the LOPA and HAZID studies. Is there an "industry standard" approach to be used?
Thanks
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Rank: Super forum user
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NORSOK standard http://www.standard.no/pagefiles/961/z-008.pdf
Also uses FMECA technique and Reliability Block modelling.
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Rank: Super forum user
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LAtest version http://www.standard.no/en/sectors/energi-og-klima/petroleum/norsok-standard-categories/z-regularity--criticality/z-0082/
No longer free.
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Rank: New forum user
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Thanks both
Wow thats some heavy reading.... i am assuming its applicable to onshore applications too.
Is there any way to translate this into a more simplistic model
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Rank: Super forum user
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The scope to the standard says it can be used for onshore sites. I guess you could simplify, to suit your requirements, but arguably wouldn't be following the standard. As its Norwegian, probably not too important - but you do need to pick up the main points & method of working or find a similar alternative.
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Rank: Super forum user
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When I was doing this years ago in a paint plant we used a combination of HAZOP and FMEA
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Rank: Super forum user
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Your safety case is also an important resource. I would expect it idetnifies your safety critical elements (SCEs), and those sub-elements that have associated performance standards that are required to ensure the SCEs perform as intended. So they form the basic list of your safety critical equipment.
Note that you will also probably have some health-critical (e.g. LEV) and environment-critical (e.g. vents, separators) equipment, which should also be covered in your safety case.
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Rank: Forum user
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The identification of SCE's should be carried out in conjuction with your technical department as this delves into their area of competence. Also bear in mind that SCE's are now SECE's in that environmental aspects are now included (think release of hydrocarbons when well control fails).
Most SCE's will already control the environmental element but these need to be defined in the safety case and subsequent verification scheme.
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