SX-180 introduced to wind farm work

20 March 2017

125946 genie® sx 180 boom lift servicing the woolnorth wind farm holding’s turbines

125946 genie® sx 180 boom lift servicing the woolnorth wind farm holding’s turbines

North-western Tasmanian windfarm operator Woolnorth Wind Farm Holding’s has switched to using a 180-foot working height Genie SX-180 boom lift for servicing its turbines.

The boom lift will be used at Bluff Point, where Woolnorth Wind Holdingsoperates 37 Vestas V66 wind turbines mounted on 60 m-high towers, as well as at nearby Studland Bay, where the company has 25 Vestas V90 wind turbines on 80 m-high towers. The V66’s blades are 32 m long, while the massive V90 turbines have 44 m-long blades.

Woolnorth Wind Holdings has agreed to a long-term lease of the Genie SX-180 boom lift from Genie authorised reseller Specialist Access Equipment in Bell Bay, and the lift will be operated by contractors commissioned by Woolnorth. It is the first time a Genie aerial work platform has been used to support a major wind-farm operation in Australia.

“Prior to leasing the Genie SX-180 boom lift, Woolnorth used cranes with baskets to access the blades of the wind turbines. However, this solution didn’t prove cost effective,” said Don Jessup, manager, Specialist Access Equipment.

“The Genie SX-180 boom lift can be operated by either of the two blade technicians from the basket. With a crane, you can have two blade technicians in the basket, but you also require a crane operator to be in the cab at ground level always.

“Moreover, the crane operator may not be called upon to do a single crane operation for hours at a time.”

In addition, there is the tyranny of height, with the two blade technicians operating at anywhere between 130 to 180 feet in the air.

“Given the sheer heights involved, the blade technicians may not have line of sight with the crane operator and have to communicate by two way when they need to move,” said Mr Jessup. In a Genie SX-180 boom lift, the technicians in the basket simply tweak the controls to move to a new section of the blade.

The fact that independent crane operators had to be brought in from Burnie, 90 minutes away, also added to the company’s costs, he said. For instance, during inclement weather, Woolnorth was often paying the full rate for the crane to sit idly onsite.

“Then when a clear day arrived, they’d need to contact the crane company to get an operator, who was 90 minutes away. This wasted time and good weather – or worse, an operator wasn’t available.

“With the Genie SX-180 boom lift now stationed onsite, it can be moved from one turbine to another, to take advantage quickly of the good weather conditions, which helps reduce machine downtime. It is also used for a wider range of activities, including the painting and maintenance of the massive turbine towers.

“Over a 12-month period, and given their ability to take advantage of the Roaring Forties, the strong westerly wind that blows across the region, the wind farms at Woolnorth produce on average around 4% of Tasmanian’s energy needs supporting Tasmania’s clean green image, and at the same time provide an important contribution to the local and regional economies,” added Jessup.

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