PART IINTRODUCTION
Meaning of “pipeline”3.
(1)
Subject to the provisions of this regulation, in these Regulations “pipeline” means a pipe or system of pipes (together with any apparatus and works, of a kind described in paragraph (2), associated with it) for the conveyance of any fluid, not being—
(a)
a drain or sewer;
(b)
a pipe or system of pipes constituting or comprised in apparatus for heating or cooling or for domestic purposes;
(c)
a pipe (not being apparatus described in paragraph (2)(e)) which is used in the control or monitoring of any plant.
(2)
The apparatus and works referred to in paragraph (1) are—
(a)
any apparatus for inducing or facilitating the flow of any fluid through, or through a part of, the pipe or system;
(b)
any apparatus for treating or cooling any fluid which is to flow through, or through part of, the pipe or system;
(c)
valves, valve chambers and similar works which are annexed to, or incorporated in the course of, the pipe or system;
(d)
apparatus for supplying energy for the operation of any such apparatus or works as are mentioned in the preceding sub-paragraphs;
(e)
apparatus for the transmission of information for the operation of the pipe or system;
(f)
apparatus for the cathodic protection of the pipe or system; and
(g)
a structure used or to be used solely for the support of a part of the pipe or system.
(3)
For the purpose of sub-paragraph (c) of paragraph (2) a valve, valve chamber or similar work shall be deemed to be annexed to, or incorporated in the course of, a pipe or system where it connects the pipe or system to plant, an offshore installation, or a well.
(4)
A pipeline for supplying gas to premises shall be deemed not to include anything downstream of an emergency control.
(5)
In this regulation—
“emergency control” means a valve for shutting off the supply of gas in an emergency, being a valve intended for use by a consumer of gas;