Version Date: 2023-10-16 WIND CLASSIFICATION FROM WIND REGION AND SITE CONDITIONS TOPOGRAPHIC CLASSIFICATION Region Terrain Category T0 T1 T2 T3 T4 T5 FS PS NS FS PS NS FS PS NS PS NS NS NS A 3 N1 N1 N1 N1 N2 N2 N2 N2 N2 N3 N3 N3 N4 2.5 N1 N1 N2 N1 N2 N2 N2 N3 N3 N3 N3 N4 N4 2 N1 N2 N2 N2 N2 N3 N2 N3 N3 N3 N3 N4 N4 1.5 N2 N2 N2 N2 N3 N3 N3 N3 N3 N3 N4 N4 N5 1 N2 N3 N3 N2 N3 N3 N3 N3 N4 N4 N4 N4 N5 B 3 N2 N2 N3 N2 N3 N3 N3 N3 N4 N4 N4 N4 N5 2.5 N2 N3 N3 N3 N3 N3 N3 N4 N4 N4 N4 N5 N5 2 N2 N3 N3 N3 N3 N4 N3 N4 N4 N4 N5 N5 N6 1.5 N3 N3 N4 N3 N4 N4 N4 N4 N4 N5 N5 N5 N6 1 N3 N4 N4 N4 N4 N4 N4 N5 N5 N5 N5 N6 N6 C 3 C1 C1 C2 C1 C2 C2 C2 C2 C3 C3 C3 C3 C4 2.5 C1 C2 C2 C2 C2 C2 C2 C3 C3 C3 C3 C4 N/A 2 C1 C2 C2 C2 C2 C3 C2 C3 C3 C3 C4 C4 N/A 1.5 C2 C2 C3 C2 C3 C3 C3 C3 C4 C4 C4 N/A N/A 1 C2 C3 C3 C3 C3 C3 C3 C4 C4 C4 N/A N/A N/A D 3 C2 C3 C3 C2 C3 C3 C3 C3 C4 C4 C4 N/A N/A 2.5 C2 C3 C3 C3 C3 C4 C3 C4 C4 C4 N/A N/A N/A 2 C3 C3 C4 C3 C4 C4 C4 C4 N/A N/A N/A N/A N/A 1.5 C3 C4 C4 C4 C4 N/A C4 N/A N/A N/A N/A N/A N/A 1 C3 C4 C4 C4 N/A N/A N/A N/A N/A N/A N/A N/A N/A STEP 5 -TOPOGRAPHIC CLASSIFICATION By applying the results of the above 4 different factors that influence the wind classification, Region, Terrain Category, Shielding Determination & Topographic Effect to the WIND CLASSIFICATION CHART below a determination on the topographical classification can be made and then applied to the Delta Panels Engineering Charts. Delta Panels Pty Ltd P: +61 07 3271 2170 E: info@deltapanels.com W: www.deltapanels.com A: 731 Boundary Road, Richlands, Qld 4077 ABN: 11 147 861 292
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