Petroleum (Submerged Lands) (Management of Safety on Offshore Facilities) Regulations 1996
25Pipelines
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25 Pipelines
(1) The Safety Case for a facility that is:
(a) connected to one or more operational pipelines; or
(b) proposed to be connected to one or more operational pipelines;
must specify adequate procedures for shutting down or isolating, in the event of emergency, each pipeline connected to the facility, so as to stop the flow of hazardous substances through the pipeline.
(2) In particular, the procedures must include:
(a) effective means of controlling and operating all relevant emergency shut-down valves for a pipeline; and
(b) a fail-safe system of isolating a pipeline in the event of failure of other safety devices for the pipeline.
(3) The Safety Case in respect of a facility must also specify:
(a) adequate means of mitigating, in the event of emergency, the risks associated with each pipeline connected to the facility; and
(b) a frequency of periodic inspection and testing of pipeline emergency shut-down valves that can reasonably be expected to ensure that they will operate correctly in an emergency.