b'STEP 1DETERMINING CORRECT WIND SPEEDWhether you are building a stand-alone Carport or adding a Patio extension toyourhome,determiningthecorrectwindratingisessentialwhen considering the construction design and the materials that will be used.There are 4 different factors that influence the wind classification, they are: Region- Terrain Category- Shielding Determination- Topographic EffectPlease remember that this is a guide only, check with your local authority to determine your exact rating. For a detailed analysis refer to the Australian Standard AS/NZS 1170.2:2021, the approach described here follows the AS 4055:2021 - Residential wind code method.This approach is only suitable for structures up to 2 storeys high and no wider than 16m and 8.5m high. Outside these limitations, we recommend that you engage a structural engineer to provide advice on the approach suitable to your situation.Step 1.1 - Region Select the RegionABN: 11 147 861 292E: info@deltapanels.com P: +61 7 3271 2170 W: www.deltapanels.com Version Date:10A: 731 Boundary Road, Richlands, Qld 4077Sydney Depot: 11 The Old Northern Road, Narellan, NSW 25672024-03-24'