For the purposes of the definition of mandatory notification stage in section 3(1) of the Act, in relation to the construction of a swimming pool or spa, the following stages of building work are prescribed—
(a) the completion of any excavation related to the installation of the swimming pool or spa;
(b) before pouring any footing or in situ reinforced concrete member that is specified in the relevant building permit by the relevant building surveyor;
(c) the completion of any precautions required to be taken under regulation 116;
(d) final, on the completion of the swimming pool or spa and related safety barrier.