[SML] Chain as hanging hardware

[Richard Niederberg]

Dear Ben,
It might be time to call Mr. Sapsis or a Protege of His to cover their
Derriere.
/s/ Richard
_________

On Tue, Oct 2, 2018 at 4:00 PM Tanner via Stagecraft <
stagecraft at theatrical.net> wrote:

> Hi Ben,
>
> The lack of consistency means it was never really thought through or
> engineered. That would be my biggest concern. Is there any signage or
> documentation for the pipe grid load rating, etc? Hopefully that is solid
> at
> least. Sounds like everything below it should come down.
>
> I'd recommend that an ETCP certified and licensed contractor quote and
> tackle it for no other reason than to shift liability.
>
> If you are planning on doing it yourself, I'd recommend a pipe clamp at the
> grid, chain shackle, rated chain, and then batten termination by one wrap +
> one half for height adjustment with rated trim chain (or a jaw/jaw
> turnbuckle to pipe clamp) The drapery track can be safely terminated with
> heavy duty S hooks depending on the type and condition of the hangers.
>
> I might be able to recommend someone in your area, or at least point you in
> the right direction.
>
> Note that this is my own advice as a fellow stagehand and not the
> professional advice of the company I work for blah blah blah
>
> Regards,
>
> Tanner Brants
> Protech Theatrical
>
> -----Original Message-----
> From: Stagecraft [mailto:stagecraft-bounces at theatrical.net] On Behalf Of
> Ben
> Thoron SML via Stagecraft
> Sent: Tuesday, October 02, 2018 2:55 PM
> To: Stagecraft <stagecraft at theatrical.net>
> Cc: Ben Thoron SML <bthoronsml at gmail.com>
> Subject: [SML] Chain as hanging hardware
>
> So...
> I was invited to a nearby high school theatre space to take a look at a few
> things the drama teacher was worried about.  She was right to be worried.
> That being said, there were some hanging hardware choices that weren't the
> way I would have done them, but I wasn't sure I I was over thinking the
> problem.
>
> All the fixed battens are attached to a pipe grid, hung to some unseen
> structure above a plaster ceiling, using threaded rod.  That seemed fine to
> me.  All the battens, curtain track etc was hung with chain.
> Open S hooks at the track, looped over the pipe, and terminated with a
> variety of hardware (quick links, bolts, s hooks and shackles).
> I didn't mind the chain, provided it wasn't rusty, but the choice of
> terminations did.  In my theatre, shackles and proof chain are the only
> way... Open S hooks, bad, bolts through the links, very bad, quick links,
> maybe.
>   What is the best practice for hanging under a pipe grid in this
> situation?
> (Other than simply recommending that they hire a reputable theatrical
> contractor to redo the entire installation).
>
> Ben Thoron
> The Old Globe
>
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-- 
/s/ Richard
_________
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