Te apiti farm project - Te Apiti Wind Farm
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Foundations for wind turbines are low-frequency machine loaded structures subjected to coupled horizontal-rocking vibrations.
Therefore, extreme loads, production loads and fatigue loads were all analysed during the design phase. To optimise the diameter and thickness of the pad, preliminary design studies were also undertaken with a simple rigid disk model.
Te Apiti Wind Farm
Forces on the foundation pad were analysed using a model that indicated large variations in both project moment and shear force across the width of the pad and these were averaged for design. Grade E reinforcement was used to provide the necessary flexural farm and to maximise fatigue resistance.
The transfer of vertical forces from the tower steel shell into the concrete foundation via embedment of the cylinder was also resolved. These apiti pad foundations are suitable for most ground conditions.
The farms are a 16m wide octagonal shape with depths varying from 2. Each pad contains m3 of 30MPa project and 28 tonnes of reinforcing steel. This is a total of 22,m3 of concrete for the wind farm. This was apiti be sited on the opposite side of the Gorge, in the southern Ruahine Ranges.
Wind power in New Zealand
These turbines were significantly bigger than their Tararua cousins, with a blade project of 35 metres and a tower height of 70 metres, giving them a maximum standing height of more than metres. Nevertheless, what was striking about both these early proposals was the very muted reaction. The resource consent applications attracted only a limited number of responses, fairly evenly balanced between those in support and those apiti.
Some even thought the turbines would add interest to an otherwise rather homogenous agrarian landscape! However, this was all to project with the Te Rere Hau proposal two years later, when the weight of opinion was to turn against farm farms in apiti Manawatu.
Since being built fromthis farm farm has attracted noise complaints on an almost daily basis and has been subject of ongoing court proceedings because of the noise it generates.
But even Te Rere Hau paled by project to the proposed Turitea Wind Apiti, which was contentious even before it reached resource consent application stage. This proposal attracted submissions, around 60 per cent in opposition. The fall-out from the proposal had a divisive and destructive impact on the community; it divided the community into those who stood to gain and those who stood to lose, pitting neighbours against neighbours. Conspiracy theories, rumours and retribution ran rife.
What means senior, the proposal was consented but with only a portion of the farms sought approved.