[SML] Question about codes

[Jon Ares]

I've got a Landry & Bogan space - LOVE the carpeted catwalks, and the cages
don't bother me, UNTIL we started using luminaires with point source
emitters.... the smaller the point of light, the better the cage becomes a
gobo.  Our older arc lamp wiggle lights cannot be used there - they project
the cage with terrific clarity... and now we just finished a renovation
with LED Par wall washers (architectural wall washing) and they too project
the cage, though not as badly. The multiple emitters help to diffuse the
cage, but not completely.  <sigh>

 - Jon

On Wed, Feb 10, 2021 at 12:14 PM Bill Conner via Stagecraft <
stagecraft at theatrical.net> wrote:

> The IBC and LSC which are most widely used in the US permit non-standard
> rail spacing on lighting catwalks (and a few other places for entertainment
> technology).  My standard is for 22" clear between top of toe board and
> bottom of lower rail, and 22" between top of lower rail and bottom of upper
> rail.  (I used to do 30" when 8" ERSs were more common.)  This may not be
> enough to satisfy OSHA requirements for fall protection.
>
> I believe it's very important to not require people to lean out to focus
> and service the gear.  It's much safer if both feet are flat and your body
> balanced over the catwalk deck.
>
> I attach a page from a presentation I did at TEAC 2010 that shows a design
> that does provide fall protection, and sounds like what someone had in mind
> but didn't really know what they were doing would not work well.
>
> On Wed, Feb 10, 2021 at 1:58 PM Ross via Stagecraft <
> stagecraft at theatrical.net> wrote:
>
>> Here is a question for those of you who have renovated or built new
>> theatre spaces.  The local school district has just built a new high school
>> with a state of the art theatre space.  In touring the space I see that
>> somewhere along the lines someone put chain link fence along the catwalk
>> railing.  Is that a safety feature that being included in new construction
>> or just some random bright idea?  I would try to look up the building codes
>> but I am not sure where to look, (that and trying to read them make my eyes
>> glaze over).
>>
>> The reason I am asking because when adjusting light on Cat #2 you have to
>> lay on the floor & stick one are under the fence to adjust said light, OR
>> one person grabs the belt of a second person as they lean over the railing,
>> (& pray they say in their pants).
>>
>> I should point out that at this time I do not have a formal contract with
>> the school for anything. I just help out on productions as asked.  That is
>> the reason I do not ask any of the construction guys finishing up the
>> project.
>>
>>
>> Clay Ross
>> Pro Dreamer
>>
>>
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> --
> Bill Conner Fellow of the ASTC
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-- 
Jon Ares
www.arescreative.com
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