In this Part "discharge pipe" means a pipe from which discharges are or are to be made under section 165 above.
In this Part references to maintaining a pipe include references to cleansing it and references to altering a pipe include references to altering its size or course, to moving or removing it and to replacing it with a pipe which is of the same description of relevant pipe (within the meaning of section 158 above) as the pipe replaced.
The powers conferred by this Part on a relevant undertaker shall be exercisable both inside and outside the undertaker's area.
A relevant undertaker proposing to exercise any of its powers under section 158 or 159 above outside its own area shall, if subsection (3B) below applies, give notice of its proposal to the water undertaker or (as the case may be) sewerage undertaker for the area in question and, if that subsection applies, shall not carry out its proposal—
This subsection applies where the proposal is to lay—
In so far as any powers conferred by this Part on a relevant undertaker authorise the removal of any pipe or the alteration of its size or course, those powers shall be subject to such obligations by virtue of which the undertaker is required—
as are imposed on the undertaker by or under any enactment.
The powers conferred by virtue of this Part are without prejudice to any power conferred by virtue of any agreement and are cumulative.