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In these Regulations, unless the context otherwise requires,

“abandonment” in relation to a dam, means the termination of

(a) operations of a dam,

(b) maintenance of a dam, or

(c) responsibility for a dam without decommissioning and notifying the Commission;

“alter” in relation to dam safety, means to undertake a significant construction work that will substantially change the components of the dam in a manner that would affect the safety of the dam, but excludes routine work for purposes of maintaining the dam;

“appurtenant structures” means special purpose structures of significance which are built and maintained in connection with dams, for example spillways, water intake works, diversion works, hydraulic power generating works, water conduits such as tunnels, pipelines, penstocks and other ancillary works like roads;

“Committee” means the Inter-Agency Committee on Dam Safety established under regulation 31(1);

“dam” means an artificial barrier to impound water;

“decommissioning” in relation to a dam,  means taking measures to remove the dam in a manner that would not make the remaining structure have an adverse impact on human life, property and the environment;

“emergency” means an urgent event or a sudden event that poses an immediate risk to health, life, property or the environment, and which requires immediate action;

“Emergency Preparedness and Response Plan” means the plan prepared in accordance with regulation 23 to identify the potential emergency conditions at a dam and specify the actions to be taken in the event of a dam failure to mitigate or prevent the effect of those conditions on life, property and the environment;

“hazard potential” means an indication of a potential loss to life, property and the environment, that may be occasioned by a dam failure;

“inspector” means a person designated by the Dam Safety Officer under regulation 20(2) for purposes of conducting an inspection of a dam;

“licence” means a Dam Safety Licence granted under regulation 12(1); “maintain” or “maintenance” in relation to a dam, means the performance of a task required to keep a dam in good and safe operating condition;

“major repairs” means

(a) a change in the surface or cross-section of an existing dam and structures appurtenant to the dam;

(b) a change in the surface or cross-section of a structure appurtenant to an existing dam;

(c) a modification that leads to a complete overhaul or substantial replacement of parts of an existing dam; or

(d) a modification that leads to a complete overhaul or substantial  replacement of parts of a structure appurtenant to an existing dam;

“Operation and Maintenance Manual” means the document that describes the operation and maintenance procedures of a dam;

“owner” in relation to a dam, means the person granted a water right under the Act to construct and own the dam;

“safety” means relative freedom from danger, risk, threat of harm to personnel, injury to personnel, loss to personnel or loss to property, whether caused deliberately or by accident; and

“Unit” means the Dam Safety Unit established under regulation 2.