[SML] FOH hang and focus safety improvement needed

[billn at peak.org]

> Why the need for beams spaced out from the walls?
>
> Bill
>
>
>
> Old fashioned simple  beam design. IIRC a cantilever of 1/3 the span is
> best use of material. So 1/3 cantilever either end theoretically - by
> simple structure design - require least depth truss.  If supported at ends,
> it would have higher bending moments.

That would require putting the tracks over the audience seating. That is not
going to happen. If we go the chain driven catwalk route, the catwalk will
have to be supported only at the ends.

Bill