Subject to the following provisions of this section, to section 162(9) below and to the provisions of Chapter III of this Part, every relevant undertaker shall, for the purpose of carrying out its functions, have power—
Nothing in subsection (1) above shall authorise a water undertaker to lay a service pipe in, on or over any land except where—
The power conferred by virtue of paragraph (b) of subsection (1) above, and the power conferred in relation to that paragraph by virtue of paragraph (c) of that subsection shall be exercisable in relation to a service pipe irrespective of the person to whom the pipe belongs; but expenses incurred in exercising those powers in relation to any pipe shall be recoverable from the person to whom the pipe belongs only if and to the extent that that person has agreed to pay them.
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 (6) 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 (4) above shall be deemed—
Subsection (5) above shall not apply in the case of any notice given with respect to the exercise of any power in an emergency or for the purpose of—
Subject to subsection (2) above, in this section "relevant pipe" has the same meaning as in section 158 above (reading references there to subsection (1) as references to subsection (1) of this section).