46Inspections: timing
(1)Subject to subsection (3), inspections of a high-risk reservoir must be carried out—
(a)before the end of the period of 2 years beginning with the date of any final certificate for the time being applicable to the reservoir, and
(b)at each of the following times—
(i)at any time recommended by the supervising engineer under section 50(3),
(ii)at any time recommended in an inspection report under section 47,
(iii)before the end of the period of 10 years beginning with the date of the latest inspection.
(2)Subject to subsection (3), inspections of a medium-risk reservoir must be carried out at each time recommended by the supervising engineer under section 50(3).
(3)Where a construction engineer is appointed to supervise relevant works at a high-risk reservoir or a medium-risk reservoir—
(a)each inspection which, at the date of the appointment, is due to be carried out is cancelled, and
(b)the next inspection must be carried out—
(i)in the case of a high-risk reservoir, in accordance with subsection (1)(a),
(ii)in the case of a medium-risk reservoir, at any time recommended by the supervising engineer under section 50(3) which is after the end of the period of 2 years beginning with the date of the final certificate for the relevant works.
(4)In this section and section 47, references to “the supervising engineer” are references to the engineer appointed for the time being as such under section 49 in relation to the reservoir.