(b) Standards New Zealand; or (c) the British Standards Institute; or (d) the International Organisation for Standardisation; or (e) the International Electrotechnical Commission; or (f) any similar standards organisation within or outside Australia approved by Energy Safe Victoria; or (g) Energy Safe Victoria; means the supply network railway supply network of a railway that is a heavy railway; in relation to a cable, means the vertical sag, displacement of the cable below the point at which the cable is attached to the supporting structure and includes any additional displacement caused by hot weather or high load current; means the distance between the span distance points at which a span of an electric line is attached to the two adjacent supporting structures; means the section of the span of an electric line electric line between two adjacent supporting structures; means an arborist who suitably qualified arborist has— (a) the qualification of National Certificate Level IV in Horticulture and Arboriculture, including the "Assess Trees" module, or an equivalent qualification; and (b) at least 3 years of field experience in assessing trees;
(b) Standards New Zealand; or (c) the British Standards Institute; or (d) the International Organisation for Standardisation; or (e) the International Electrotechnical Commission; or (f) any similar standards organisation within or outside Australia approved by Energy Safe Victoria; or (g) Energy Safe Victoria; railway supply network means the supply network of a railway that is a heavy railway; sag, in relation to a cable, means the vertical displacement of the cable below the point at which the cable is attached to the supporting structure and includes any additional displacement caused by hot weather or high load current; span distance means the distance between the points at which a span of an electric line is attached to the two adjacent supporting structures; span of an electric line means the section of the electric line between two adjacent supporting structures; suitably qualified arborist means an arborist who has— (a) the qualification of National Certificate Level IV in Horticulture and Arboriculture, including the "Assess Trees" module, or an equivalent qualification; and (b) at least 3 years of field experience in assessing trees;