[SML] FOH hang and focus safety improvement needed

[billn at peak.org]

> You can build the engineering into a design build contract with a theatre
> equipment contractor. The tracks could be supported from overhead, catwalk
> even "hung" from carriers. An aluminum catwalk should not be all that
> heavy, though may not be necessary. Seems to me it's half the weight for
> three times the cost or something like that.  You could go to truss guys
> and they could bang out a quote and weight quickly.
>
> At 30' I suspect a pair of beams approx 5-6' from walls, chain motor
> trolleys,  and a light steel structure is most economical and feasible for
> your budget.

Thanks for the comments, Bill.

Why the need for beams spaced out from the walls?

Bill