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§ 46 Classification

Facilities' systems and equipment shall be classified as regards the health, safety and environment consequences of potential functional failures.
For functional faults that can lead to serious consequences, the responsible party shall identify the various failure modes with associated failure causes and failure mechanisms, and predict the likelihood of failure for the individual failure mode.
The classification shall be used as a basis in choosing maintenance activities and maintenance frequencies, in prioritising between different maintenance activities and in evaluating the need for spare parts.
Section last changed: 01 January 2017

To fulfil the classification requirement, the NORSOK Z-008 standard should be used in the area of health, working environment and safety.
Fault (cf. functional fault), failure mode, failure cause and failure mechanism as mentioned in this section, are defined in the NS-EN 13306 standard.