13 Delta Panels Pty.Ltd. ABN: 11 147 861 292 A: 731 Boundary Road, Richlands, Qld 4077 P: +61 7 3271 2170 E: info@deltapanels.com W: www.deltapanels.com Version Date: 08.05.2023 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. 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 1 DETERMINING CORRECT WIND SPEED Step 1.5 Topographic Classification
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