Dear all,

I couldn’t find the definition of the 2 abbreviations in the BS EN 1591-1.

They are “hD ” in section G.3.4.1 (formula G .1) of Annex G and “m” in section G.3.4.4(formula G .17) of Annex G.

Please help to indicate where they are or clarify them.

Thank you very much.