Free web tool for New Zealand structural engineers — quickly search & retrieve NZS TS1170.5 site
parameters for seismic design. Select a project location (address search or map click), then choose
the appropriate site class, importance level, and design working life to view matched outputs
aligned with TS1170.5.
Choose a location — search address or click the map
Design Inputs
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Design Period
Range: 0 – 3.0 s | Plots vertical marker on Sa(T) graph and returns Sa(T*) below
TS1170.5 Site Parameter Finder is made available without charge and in good faith. It is agreed by the user that no liability for its use, applicability or accuracy is accepted by the author. Professional care and judgement must be exercised, with relevant design knowledge and skill applied by the user.
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