Audience Riser Rake Considerations

Discussion in 'Stage Management and Facility Operations' started by TD22, May 5, 2018.

  1. TD22

    TD22 Member

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    Hello,

    Coming into a newly renovated space which unfortunately bought a riser system with a terrible rake!

    It's a Steeldeck Staging system, so easy enough to change the riser heights, but I just want to do it once and get it right!

    Here are the facts:
    -Lowest ceiling point @ 12'6 1/2" above deck.
    -Currently have 7 separate riser heights, and one row of seating on deck for a total of 8 seating rows.
    -Current riser rake is @ 7 3/4"
    -All directors hate our rake, say they can't see over the heads of those in front! And I agree.
    -We have tried alternating seating so view is between shoulders, to no avail...

    We have it in the budget to order a new supply of legs to change the rake, but want to make sure I don't blow it!

    Using the NY Fire code, I have determined that the maximum rise we can achieve is 9.5" height difference between each audience platforms, given that we must have 7' from top of highest platform to bottom of grid. This means the highest allowable platform height is 5'6 1/2". Also want to keep the 8 seating rows for ticket sales purposes.

    My questions to the community are:
    -Is it really worth it to go from a 7 3/4" rise (12 degree rake) to a 9.5" rise (15 degree rake)? Will it make a difference?

    -Should I do a larger rise between platforms, say 1' height difference (18 degree rake) but then requiring 2 rows of seating at the deck level.

    Thanks!
     
  2. BillConnerFASTC

    BillConnerFASTC Well-Known Member

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  3. RonHebbard

    RonHebbard Well-Known Member Premium Member

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  4. TD22

    TD22 Member

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    Thanks all,

    I have some drawings, will share when I get some time (currently TD'ing 3 spaces in the new building, with backlogs of programming so we are slammed...) But I'd like to reiterate - I've done the drawings and found that the best rake we can get is the 15*, while keeping in accordance with all of our codes and vendor considerations. (Projection and FOH lighting is not much of a concern here...)

    **Is it worth it to go from 7 3/4" to 9.5" rise? **

    Does anyone have a theater with a 9.5" rise or equivalent? Is it satisfactory? After that question is answered I will begin to consider the two-row and other options outlined above. Thanks
     
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  5. BillConnerFASTC

    BillConnerFASTC Well-Known Member

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  6. TD22

    TD22 Member

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    Thanks all. Steeldeck NY was nice enough to loan us legs to create both a 10" rise and a 12" rise in our space. We went with the 12" rise, using 6" steps in between. The top row is close to the grid, but not dangerously so, and it's mostly for technicians anyways, those of us who know to **Watch our heads**

    Thanks!
    A
     
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