| 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
For more information contact Russell Tyler on 08 9326 4598.
Page update on 25 October 2006
