<div dir="ltr">Why can't they install a 'push to silence alarm' switch on the wall and have a crew member keep their thumb on it during the effect or have a device that only detects heat rise?<div>/s/ Richard</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Jan 25, 2021 at 10:57 AM Dale Farmer via Stagecraft <<a href="mailto:stagecraft@theatrical.net">stagecraft@theatrical.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">I was peripherally involved with getting such a system working many <br>
years ago. It involved getting a fire engineer study of the building <br>
and alarm systems. The eventual outcome was that the sensors in the air <br>
ducts and auditorium were able to be selectively disabled, and we had to <br>
hire a fireman on detail duty to be on site whenever they were disabled.<br>
<br>
One kind of smoke detector is beams of light up near the ceiling shining <br>
across the room to a detector on the opposite wall. They detect balloons <br>
just fine. surprise!<br>
<br>
Dale<br>
<br>
<br>
On 1/25/2021 1:21 PM, Ben Thoron SML via Stagecraft wrote:<br>
> Our 10-year-old theatre was installed with sensors in the HVAC system<br>
> that are easily set off by theatrical smoke and haze, to the extent<br>
> that we can’t use either, at all.<br>
> <br>
> I’m looking for a source that knows more about the options and devices<br>
> than I do.<br>
> <br>
> Any suggestions?<br>
> <br>
> <br>
> <br>
> Ben<br>
> <br>
> <br>
> <br>
> Ben Thoron | Production Manager | the old globe | 619-684-4105 direct<br>
> | 619- 846-9529 cell | he him his | <a href="mailto:bthoron@theoldglobe.org" target="_blank">bthoron@theoldglobe.org</a><br>
> <br>
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</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature">/s/ Richard<br>_________</div>