Specifications

Specifications
Total line length	13.3km
Average span	180m
Number of poles	73
Number of conductors	12 phase conductors plus two earth wires
Length of conductor	14 x 13.3km = 186.2km
Typical height of poles	36.3m average (between 31.5m and 42.5m)
Minimum height of onductors	9m
Voltage of powerlines	330,000 volts (330kV)
Colour of the poles	Galvinised finish, which will weather to a dull grey harmonising with the environment
Construction method	Caisson-type foundation
Where will the poles be fabricated	Perth, WA
Amount of concrete in the base	Dependant on pole location
Diameter of poles (footprint)	1-1.5m base, tapered pole
Contractor	Downer engineering power
Construction started	February 2005
Stage two completed	August 2006
Total cost	$22.9 million

Existing pole structures along Roe Highway prior to stringing with 330kV lines

Contact Us

For more information contact Russell Tyler on 08 9326 4598.