Dams Safety Regulation 2019
20Safety review
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20 Safety review
20 Safety review
(1) The owner of a declared dam must ensure that a safety review to assess the overall safety of the dam is undertaken by—
(a) for an extreme or high consequence dam, other than a high C consequence dam—a team of at least 2 competent persons, or
(b) otherwise—a competent person.
(2) A safety review must be carried out at least once every 15 years or as soon as practicable after any of the following occurs—
(a) a deficiency or weakness is identified in the dam,
(b) there is a change (other than a minor change) to the accepted technology or methods used in one of the relevant specialities or in the design criteria for dams,
(c) the consequence category of the dam is changed,
(d) Dams Safety NSW gives written notice to the owner of the dam requiring a safety review of the dam to be carried out.
(3) Dams Safety NSW may require an owner of a declared dam to conduct a safety review only if Dams Safety NSW is of the opinion that risks to the dam have not been adequately assessed or mitigated.
(4) The safety review must take into account relevant developments in any of the relevant specialities or in the design criteria for dams that have occurred since the safety review was last carried out for the dam.
(5) The safety review must also include the preparation of a report in accordance with clause 15.
(6) A safety review for an extreme or high consequence dam, other than a high C consequence dam, must be reviewed by a panel of at least 2 independent competent persons.
(6A) A safety review for a high C consequence dam must be reviewed by an independent competent person.
(6B) In this clause—
independent competent person for a review of a safety review means a person who—
(a) has not been involved in the safety review, and
(b) is independent of each person who carried out the safety review.
(7) The owner of a dam who is given written notice by Dams Safety NSW requiring the owner to provide it with a copy of the safety review must comply with the requirement within the time (if any) specified in the notice.