surface density of persons

[mir]

Hi.
by law if I have to calculate how much space occupy 40 people that surface should I consider? and what weight should I consider for each person?

Thank you.
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[gerod]

What legislation?
There's a disaster.
surface density, not density that is usually used for the term volumica!

 

[mir]

This is a catwalk where visitors, with guide, visit an industrial plant.

 

[gerod]

see series 14122/x
you find everything
Hi.