Actors Equity will have guidelines specifying the maximum rake angle upon which their members are permitted to work.
And then there are oddities such as the 40' diameter raked revolve with the separately controlled, smaller diameter, portion in its center as employed in the full-bore productions of 'Les Mis' (Sp?) I rapidly gained great respect for those performers after having to stand on the rotating rake staring up and counting fixtures doing per performance lamp checks when I was called in on short notice to take over a 'Head LX' position for a 'brother' who was unexpectedly hospitalized for 6 weeks. I found the experience immediately extremely dis-orienting. Those hydraulic accumulator powered, monster "barricade" set pieces were amazing examples of creative technology but they're totally too much of a swerve for this post.
The AEA rake "limit" is 3/4" rise to 1'-0" run. Steeper rakes would require a contract rider and possibly hazard pay. The other thing to consider is when a ramp becomes a rake...Actors Equity will have guidelines specifying the maximum rake angle upon which their members are permitted to work.
Never having been a performer, or Equity member, I've no knowledge of the acceptable angles but any Equity member should have no trouble finding this info' for you in their membership guidelines. You may want to know this prior to construction.
Toodleoo!
Ron Hebbard.
Well, I was surprised it was so shallow - 3/4" in a foot - 1:16 - so I googled - http://www.actorsequity.org/docs/rulebooks/Business_Theatre_Rulebook_14-15.pdf - low and behold it's a 1/2" per foot 1:24 - before you need permission. This is dated 2014-2015 so may have changed since, but consistent with a lot of sources.
I believe greater is possible but requires consent.
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