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FREECALL 1800 653 351
www.DomeShelter.com.au | [email protected] and Sales: 82 Byfield Street, Northam | Head Office and Manufacturing: 8 Great Eastern Highway, Cunderdin
Wind Regions are derived from the Australian Standards AS/NZS 1170:2:2002The Region refers to the location. The Terrain Category refers to the description of the terrain at the location.
WIND REGION A = Ultimate Design Wind speed of 41 m/s or 147.6 km/h (Region A, Terrain Category 2, 10 m reference height)
WIND REGION B = Ultimate Design Wind speed of 51.9 m/s or 186.84 km/h(Region B, Terrain category 2, 10 m Reference height)
WIND REGION C = Ultimate Design Wind Speed of 64.5 m/s or 232.2 km/h(Region C, Terrain Category 2, 10 m Reference height)
WIND REGION D = Ultimate Design Wind speed of 88 m/s or 316.8 km/h(Region D, Terrain Category 2, 10 m Reference height)
Regions are marked with the letters A (A1 to A5), B, C and D. Coastal Region boundries are smooth lines set in from a smoothed coastline by 580,100 and 200 km. Islands with 50 km from the coast are the same Region as the adjacent coast.