Powerlink (advice agency) response - MCU2/0184

3.       DEFINITIONS


Advice Agency for a development application, means an entity prescribed under a regulation
as an advice agency for the             application.

Blow Out Conditions         -

                                High wind conditions which cause the transmission line wires to swing
out and away from the structure.


Co-uses   any structure, equipment or activity that is, is to be, or is likely to be present for
           -




any purpose within an Easement.

Conductor Shadow Area               -
                                        the area between the outside conductors of a transmission line
when at rest, vertically projected onto the ground beneath. See diagram below.


                                           o                    Conductors suspended in the air




                           Conductor Shadow Area


                                                                                            Ground        level




Distribution Entity- in Queensland, this refers to electricity supply corporations: Energex and
Ergon Energy.

Easements      -
                   refers to all Easements registered in the Department of Natural Resources and
Mines, Titles Office, as well    rights obtained in terms of Wayleave. Easements. The
                                          as

conditions of both Easements and     Wayleave Easements permit electricity works to be
constructed, operated, maintained, re-constructed and dismantled by Powerlink. The term
also includes the physical Easement area.


Electric Field Induction        -
                                    A mechanism where the voltage of the transmission line causes a
smaller voltage to build up on conducting (Le. metallic) structures situated in close proximity
to transmission lines.


Electricity Works means such works, apparatus, structures and things, as Powerlink may
                       -




consider appropriate as a means of conveying or transmitting electricity, telecommunications
and other electromagnetic energy in all its forms. This includes conductors, cables, towers,
aerials, poles, foundations, ground anchorage’s, supports and othE?r associated works. The
expression includes the Electricity Works existing or proposed on the Easement.

Magnetic Field Induction The magnetic field arising from current flow in a transmission line
                                 -




causes   a voltage to build up on conducting (Le. metallic) structures situated in close.

proximity to transmission lines.




Page 4 of 14 Management of Easement Co-use Requests Guideline          Updated 06 September 201 0 Version 6.0