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Say No to Overhead High Voltage Powerlines Now

Hello Everyone

Thanks so much to all of you who have either signed the petition, or plan to.

The GREAT news is, is that I have now organised an ONLINE PETITION. It has the same wording as the original petition (so that they will be presented together and our efforts up til now will be boosted).

I have added a preamble which serves to present enough information for people to make up their minds and SIGN!!!

Here's the link to the petition:
http://www.gopetition.com.au/online/36800.html

Please, please, PLEASE send this to everyone you know. The voices of Australians anywhere will count. Ask for everyone's help.

We have less than 2 weeks to sign up as many people as we can to the cause.

Just finally! Please when you send this email, if it's going to a lot of different people, use the BCC option so we can keep everyone's privacy a priority.

Kind regards
Gabrielle
Undergrounding for a Sustainable Solution


Say No to Overhead High Voltage Powerlines Now

Background (Preamble):

Energex plans to destroy a huge amount of our precious and beautiful Sunshine Coast cutting a 40 metre wide channel 22 kilometres long which courses through trees, bordering and crossing Eudlo Creek in many places, spelling the end to much flora and fauna and destroying a lot of public and private land in the process.

The proposed high voltage powerline will pass alongside a major school, through a number of environment reserves, over the picturesque Maroochy River as well as passing over major sporting venues where people of all ages, including kids, play sport.

The following points will help you understand why demanding the energy corridor be placed UNDERGROUND is the only sustainable option with best results for the whole community, preserving our much loved wildlife and beautiful scenery for all time. The underground solution represents good economic practice making long term savings for ENERGEX and therefore the end user.

Most people believe that overhead powerlines pose a significant danger to the health of people living under, near or those who work, play sport etc, or pass under or near these lines.

Even if you think there's no problem with high emissions, Corona Ions (which are shed into the atmosphere from the wires themselves), or high milligauss levels (magnetic field levels) then there are still MANY other reasons why supporting this petition is very important.

1 The erection of these massive ugly pylons will be a PERMANENT BLIGHT on our beautiful landscape for ALL FUTURE generations.

2 The path ENERGEX has chosen is largely following Eudlo Creek which will have devastating effects on this fragile and necessary ecosystem.

3 ENERGEX has totally misrepresented their intentions by stating that they would place all pylons in a manner that would preserve the environment and not affect species of vulnerable or threatened flora and fauna. This is NOT the case at all.

ENERGEX plans to annihilate much of the precious and fragile ecosystems along Eudlo Creek, interfere with a gazetted Koala Corridor, destroy thousands of trees that are generations old (taking with it vulnerable habitats of threatened birds, frogs, marsupials, monotremes -- even endangered species -- and so on).

4 Overhead powerlines involve carving a path through the landscape 40 metres wide in as straight a path as possible. Cabling underground only requires a 'corridor' or 10 metres wide. That is a huge difference. Plus you will never see the powerlines after they are buried.

5 Overhead powerlines are made of aluminium. Underground cabling is made of copper. Copper is a better conductor of electricity. This means that less natural resources are needed to produce the power. There is more efficiency and that results in delivering more power.

In fact using underground cabling means 30% better power efficiency. There's more bang for our power bucks! It also means we burn LESS COAL. Underground power cabling is a truly sustainable option. It requires FAR less maintenance and is replaced approx every 40 years. Overhead wires are replaced every 15. I hope you're getting the picture! It's a real way to REDUCE OUR CARBON FOOTPRINT.

6 Overhead powerlines represent a waste of our money in the long term, present a risk to health, a risk to the lives of a HUGE proportion of our environment.

YOU have the power to stop this insulting and ridiculous program from going ahead. Please sign the petition. And PLEASE send every Australian you know this petition. Creating another precedent will mean that we will be able to protect all communities from the threat of overhead powerlines in ALL communities in Australia. This is much more than a local issue. It concerns us all. Hurry. We only have til June 14 to get to as many people as possible.

Thank you! Your support is greatly appreciated.

Permanent Link: Say No to Overhead High Voltage Powerlines Now
Publish Date: 05 Jun 10

Privately Submitted Article or Event :
See Above Article or Event for Address, Sunshine Coast Wide

Comments / Have your say

  1. Gabrielle,

    Mea Culpa. I've worked out the wrong underground cable that would be equivalent to Sulphur overhead. The matching conductor would be 1200 sq.mm or 1600 sq.mm. 1200sq.mm weighs 8.7kg/m and 1600 is 10.3kg/m - much much more than the 1.6kg/m for the aluminium. Much of the weight is the extra cross section of copper (1200 sq.mm) vs aluminium (673sq.mm), the density of copper and the extra insulation.

    The larger copper cables (1200 or 1600 sq.mm) have half the resistance of the aluminium overhead conductor -- but at what cost?
    An Engineer of Brisbane
    3 of 316th June 2010, 7.49am
  2. Gabrielle, there are some serious errors in your argument. Here's some rebuttal so you are not made to look a fool by Energex.

    4. Overhead power lines can span across shorter trees and bush, so the 40m easement can have vegetation. Powerlink spanned across world heritage rainforest, and Energex spanned across trees on Mt Tamborine. Underground cables require cleared ground, so would be more devastating to the forest.

    5. Copper is a better conductor, but putting the cable underground means that the heat cannot get out. 1m of 'Sulfur' overhead aluminium alloy conductor weighs 1.6kg. 1m of 240sq.mm copper 132kV conductor weighs 5.8kg. The resistance per km of the copper is almost twice that of the aluminium, so your claims about environmental savings with underground are wrong.

    6. Underground cables cost between 8 and 10 times that of overhead. How can overhead be a waste of money? What schools or hospitals do you want to stop building to fund the underground cables?

    An Engineer of Brisbane
    2 of 315th June 2010, 7.57pm
  3. Gabrielle, you have made some controversial claims. Can you please state you source (report/research) to support your claim that underground lines are 30% more efficient than overhead lines and to support the difference in life (40years Vs 15). Also, you neglect to mention the vast difference in construction costs between overhead and underground.
    Regards, Andrew
    Andrew James of Qld
    1 of 38th June 2010, 7.48pm
  4. You can't post on an expired article.

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