Page 439 - Offshore Electrical Engineering Manual

426 CHAPTER 1 Introduction to UK DCR Regulations and the Duties

• Extent of ICP involvement in activity, where applicable (e.g., percentage of
sample),
• How often it is to be repeated (if at all, e.g., for initial suitability only),
• Unique identifier for each activity, for control and reporting purposes,
• A clear reference to a specific performance standard and SECE for each exami-
nation activity,
• Note of specific documents which will be used as a basis for verification or for
reference as part of the examination activity,
• Identification of processes for which credit is taken within the scheme, e.g.,
planned maintenance activities, rolling inspection programmes, etc.

The extent of examination and level of ICP involvement can be determined from:

• criticality of the SECE, or part of the SECE, based on risk,
• consequence of that particular performance criteria not being achieved,
• requirements of recognised codes or standards,
• details identified from maintenance routines or inspection plans,
• assurance activities completed by others that may be used as justification for
adjusting level of independent examination.

For new projects the activity list should state which examinations will only be
performed prior to the SECE being put into service (examination for ‘initial suit-
ability’). No further activities of this type will be performed during operation, unless
modifications are made to the SECE. All other examination activities (examination
for continued suitability), especially during the operational phase, should be repeated
at intervals specified to ensure that the SECE to which it refers maintains its suit-
ability and adequacy. The following may contribute to the specification of interval or
frequency of examination:

• Requirements of recognised codes and standards,
• Criticality assessments,
• Assumptions and conclusions of risk and/or reliability studies on relevant
systems,
• Extent of installation maintenance routines and inspection plans,
• Interval between of duty holder assurance activities,
• Manufacturer’s recommendations for the equipment,
• Findings of previous examination activities (including those for related SECEs
or performance standards).

Subsequent revisions to examination intervals should be substantiated.

COMBINED OPERATIONS
There are a number of interfaces during combined operations, such as flotel along-
side a platform for commissioning or drilling rig cantilevered over platform. These
interfaces can include hardware (e.g., means of access, firewater systems intercon-
nections) and software (e.g., permit to work systems), which are likely to result in
amendment to the record of SECE, performance standards and examination activities