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A truck carries 15 tonnes of rigid packets, each at least 0.5 tonne, against a suitable headboard supporting the top packets by at least 150 mm. What minimum combined rated strength must the two tie downs provide?
The 15-tonne rigid-packet load needs combined rated lashing strength of at least 15 tonnes when a suitable headboard supports the top packets by at least 150 mm.
Related guidance
Each packet must weigh at least 0.5 tonne. You cannot apply this one-times requirement if only the lower packets are supported and top-packet support is less than 150 mm.