(1) This Division applies to a proposed construction excavation if—
(a) the excavation will be of sufficient dimensions or depth to allow the entry of a person; or
(b) there will be a risk to the health or safety of any person from the excavation.
(2) Despite subregulation (1), this Division does not apply to excavation of a shaft or trench made as part of building work for which a building permit has been issued and is in force under the Building Act 1993 .
(3) Despite subregulation (1), this Division does not apply to excavation of a shaft, trench or tunnel being—
(a) a mine; or
(b) a bore to which the Water Act 1989 applies; or
(c) a quarry within the meaning of the Mineral Resources (Sustainable Development) Act 1990 ; or
(d) made for the purpose of undertaking emergency work; or
(e) made for the rescue of any person or the carrying out an emergency response by an emergency service; or
(f) made for use as a place of burial or interment of the dead.