Review of health and safety measures
11. The operator shall ensure that—
(a)the measures taken to protect the health and safety of those persons identified in regulation 7(1)(b)(i) and (ii) are reviewed—
(i)on a regular basis to ensure compliance with the relevant statutory provisions; and
(ii)whenever the circumstances require it, including where there has been a significant change in the way that the quarry operates; and
(b)the regularity with which such reviews are to take place is specified in the health and safety document.