Risk Analysis to BS6651:1999

Welcome to the Zymax Risk Analysis calculator.

This system will perform a lightning risk analysis calculation as specified in the British Standard BS6651:1999.
Please note that on the 31st August 2008 a new standard BSEN62305 will replace BS6651.
This system is currently being updated to cover this new standard.

To fully understand the standard we recommend that you obtain a copy.

British Standards can be obtained by post from

BSI Customer Services,
389 Chiswick High Road,
London W4 4AL

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