Wind & Seismic Zones

IS 875-3 (Amd. 2 : 2020) · IS 1893 (Part 1) : 2016

Find a location

Click anywhere to read both hazards. Listed cities use the code wind value (Annex A).

Check with the map in the IS code. These figures are read off the published zone maps, whose printed boundaries are a line about 3.1 km wide on the ground. Confirm the zone in IS 1893 (Part 1) Fig. 1 and the basic wind speed map before you design to it.

WindSeismic Vb m/s

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