WHEN multi-billion dollar projects are discussed, it’s usually in major cities where the multi-billion dollar companies are located.
But it’s not always the case.
For instance, the Bega-based company Ngh environmental has played a key role in the assessment of the largest wind farm in the southern hemisphere near Broken Hill.
Involvement in the $2.2 billion Silverton Wind Farm project came about because of the company’s association with other similar projects.
“About five years ago we did some work for a company called Taurus Energy,” company director Nick Graham-Higgs said.
“That led to other associations and when this project came up we were recommended.”
Mr Graham-Higgs said Ngh environmental carried out the assessment for the wind farm, investigating the impacts on the physical, biological and social environment.
This included managing specialist investigations into flora and fauna, historic features and traffic impacts.
“We also managed the investigation into impacts on Aboriginal heritage sites,” he said.
It is the largest project the company has undertaken and required a detailed environmental survey of the rugged 320 square kilometre site.
Brooke Marshall, manager projects, said that significant findings during the assessment included the endangered Tawny Rock Dragon, which was discovered well outside its known range.
“When we survey the site we look for all reptiles and study the vegetation,” she said.
“We have teams of two people and we look under rocks and through vegetation and grass tussocks in areas across the site where we would be most likely to find something.
“We look through the full range of habitats under the guidelines of Department of Environment and Climate Change.”
Ms Marshall said it was “very exciting” to make a discovery such as the endangered lizard.
“It’s not something you find every day out in that environment,” she said.
“There are a lot of threatened species around Bega and along the coast, but out there it’s pretty rare that you find an endangered species, which is the highest level of threat.”
The survey also found three new vegetation types.
One, a spinifex community on rock, has now been nominated to the NSW Scientific Committee for listing as an Endangered Ecological Community.
Mr Graham-Higgs said that in the right locations, wind farms were a viable way to generate emission-free electricity and could have a much smaller environmental footprint than coal or gas-powered plants.
“But they do have impacts that must be addressed and we have been advising on ways to manage these impacts,” he said.
“We’ve also been able to find ways to improve the overall environmental health of the site, which has been degraded by feral goat grazing. ”
The company designed environmental safeguards to protect and preserve the rare flora and fauna, ensuring that all ecological aspects of the site were appropriate and sustainable.
The company had other local help in the project.
Julie Dibden from NSW Archaeology in Tilba helped with the Aboriginal assessment while Roger Ubrihien from Bega conducted the Traffic Impact Study.
The project team, which included Mr Graham-Higgs, Ms Marshall and Tim Browne from the Bega office, has been asked to continue its work during the construction phase.
“There are a number of other companies who have invited us to stay and do more assessments when the building starts,” Ms Marshall said.
Mr Graham-Higgs said it was an exciting time for the company which also has offices in Sydney, Perth and Wagga Wagga.
“We have done quite a few wind farm projects around the country but nothing like this,” he said.
“We have a lot of very skilled professionals here in Bega.”