The freedom from unacceptable risks to personnel.
 

A report that summarises the arguments and evidence of the Safety and Environmental Case, and documents progress against the safety and environmental management plan. This can be separated into two documents – Safety Case Report and Environmental Case Report.

A document that defines the strategy for addressing safety and environmental protection and documents the Safety and Environmental Management System for a specific project.

The organisational structure, processes, procedures and methodologies that enable the direction and control of the activities necessary to meet safety and environmental requirements and policy objectives.

A term used to refer to the whole assessment used to identify hazards, analyse those hazards, estimate risk, validate and verify compliance with requirements.

A structured argument, supported by a body of evidence that provides a compelling, comprehensible and valid case that a system is safe for a given application in a given operating environment.

Properties of the system that contribute to resistance to dangerous failure, including (but not limited to) reliability, availability, robustness, timeliness and use of resources.
 

A document that defines the strategy for addressing safety and documents the Safety Management System for a specific project.

The organisational structure, processes, procedures and methodologies that enable the direction and control of the activities necessary to meet Safety Requirements and safety policy objectives.

A group of stakeholders that exercises oversees reviews and endorses safety management and safety engineering activities.

Defined as an incident with equipment that results in, or has the potential to result in, personal injury, loss of life or serious damage.

So far as is reasonably practicable (SFAIRP) is the term most often used in the Health and Safety at Work etc. Act and in Statutory Regulations.  Broadly equivalent to ALARP.

Describes an activity that is mandatory.

Describes an activity that is considered to be best practice. If the activity is followed then this will be considered sufficient to demonstrate compliance with a Regulation. However, alternative approaches may be utilised where this produces an outcome as good as required by the Regulation.

Valid reasoning and good judgement has been applied to proactively improve environmental performance. The measure of success for 'sound environmental performance' is defined within S&EP Leaflet 18/2023.

Wording required here, as it’s a phrase used in the clauses.

A combination, with defined boundaries, of elements that are used together in a defined operating environment to perform a given task or achieve a specific purpose.  The elements may include personnel, procedures, materials, tools, products, facilities, services and/or data as appropriate.

A system that includes more than one element that are themselves systems, and which are interdependent but are not necessarily controlled by the same authority or mechanism.