20/08/15
The wind speed in your region is made up of a number of factors, and the terrain plays a significant part in how the wind speed, and the direction it flows will affect your building. The terrain is broken down into five categories:
Most often assigned to buildings in built-up suburban communities. This is a terrain that has a number of obstructions of similar height, including buildings and dense tall tree bushland.
Category 2.5 is usually assigned to buildings located in urban and semi-rural areas with obstructions of similar height, that are more dispersed in the surrounding areas.
Category 2 buildings are usually located in areas with open terrain and very few obstructions that are between 1.5 metres and 5 metres, such as cleared farm land.
Category 1.5 is assigned to buildings located on and near coastal shore areas, and enclosed bays that extend more than 10km.
Category 1 is applied to sheds and garages that are to be erected in very open and exposed terrain that has very little, to no obstructions. This includes treeless, poorly grassed plains and adjacent to bodies of water 200 metres wide or greater.
Essentially, terrain category is the measurement of the wind-breaking effect of the surrounding area. More simply put, the more buildings and obstructions you have surrounding your building, the less your shed will be exposed to the full and direct force of the wind.
The team at Wide Span Sheds will be more than happy to further discuss Terrain Category with you, so if you are looking for a quality steel building, and want to get the best advice, call us today on 1800 602 973.
Please provide as much information as you can so we can assign the correct specialist in our team to help you out.
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