Page 430 - Offshore Electrical Engineering Manual

Background 417

4. any other event arising from a work activity involving death or serious personal
injury to five or more persons on the installation or engaged in an activity on or
in connection with it; or
5. any major environmental incident resulting from any event referred to in
paragraph (1), (2) or (4), and for the purposes of determining whether an event
constitutes a major accident under paragraph (1), (2) or (5), an installation that
is normally unattended is to be treated as if it were attended;

A Major Accident Hazard (MAH) is therefore:

Any hazard with the potential to give rise to a major accident.

A Safety and Environmentally Critical Element (SECE) is defined as:

‘……such parts of an installation and of its plant (including computer pro-
grams), or any part of those – the failure of which could cause or contribute
substantially to a major accident; or a purpose of which is to prevent, or limit
the effect of, a major accident; (Reference SCR 2015 Clause 91)’.

Guidance to PFEER Regulation 5 defines performance standards as:
A performance standard is a statement, which can be expressed in qualitative
or quantitative terms, of the performance required of a system, item of equipment,
person or procedure, and which is used as the basis for managing the hazard – e.g.,
planning, measuring, control or audit – through the lifecycle of the installation. The
regulation does not specify what performance standards should be – that is for the duty
holder to decide, taking account of the circumstances on the particular installation.
Verification Scheme:

a suitable written scheme of examination of Safety and Environmentally Critical
Elements as required by Regulation 15(1) of SCR.

Well Examination Scheme:

Arrangements in writing for examination of the pressure boundary of wells as
required by Regulation 11 of DCR.

Written Scheme of Examination & Test (WSET):

a suitable written scheme for the systematic examination and testing of PPE and
plant as required by Regulations 18 & 19 of PFEER.

The term Examination is used to describe any of the following:

• Inspection (e.g., survey, visual scrutiny),
• Witness (e.g., observing function test),
• Review (e.g., design review, review of records),
• Monitoring (a combination of the above, usually reserved or major activities
such as structural fabrication),
• Assessment (e.g., review of a safety management process) – this is preferred to
the term ‘audit’ which can be misconstrued.