(1) A breach of a
dimension requirement is a severe risk breach if the extent of the breach
—
(a) in
the case of the width of a vehicle or a vehicle and its load, is 150 mm or
more over the maximum width permitted under the requirement; and
(b) in
the case of the height of a vehicle or a vehicle and its load, is 300 mm or
more over the maximum height permitted under the requirement; and
(c) in
the case of the length of a vehicle or a vehicle and its load, is 600 mm or
more over the maximum length permitted under the requirement.
(2) A breach of a
dimension requirement that would otherwise be a substantial risk breach under
section 53(1)(a) is a severe risk breach if the breach is committed —
(a) at
night; or
(b) in
weather conditions causing reduced visibility.
(3) A breach of a
dimension requirement that would otherwise be a substantial risk breach under
section 53(1)(c) is a severe risk breach if an applicable warning requirement
is not being complied with at the time of the breach.
(4) A breach of a
dimension requirement that would otherwise be a substantial risk breach under
section 53(1)(a), (b) or (c) is a severe risk breach if an applicable
dangerous projection requirement is not being complied with at the time of the
breach.