Subject to the following provisions of this Part, the appropriate agency shall, for the purpose of carrying out its functions, have power—
The appropriate agency may carry out work within subsection (1)(a) to (c) if—
The powers conferred by this section shall be exercisable only after reasonable notice of the proposed exercise of the power has been given to the owner and to the occupier of the land where the power is to be exercised.
Subject to subsection (4) below, in relation to any exercise of the powers conferred by this section for the purpose of laying or altering a relevant pipe, the minimum period that is capable of constituting reasonable notice for the purposes of subsection (2) above shall be deemed—
In this section references to a relevant pipe are references to a resource main or discharge pipe; and subsection (7) of section 159 above shall apply for the purposes of this section as it applies for the purposes of that section.