It might, but may be more likely to exacerbate the problem.
(So as to make this not a totally pointless post), Note that I found the article for which [USER]SteveB[/USER] was looking as mentioned in post #16 above. Interesting reading.
Quite the story (deluge system deployment)
- Thread starterKarim
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(So as to make this not a totally pointless post), Note that I found the article for which [USER]SteveB[/USER] was looking as mentioned in post #16 above. Interesting reading.
The water also ruined many soft goods which were in the air for a production that was in rehearsal at the time, as well as our very nice main curtain (is there another word for that?).
Any who, I just thought I'd share that. Any questions or comments feel free to post.
Hey Karim, The main curtain is usually officially called "The Grand Drape" but you will hear people call it the "Grand Curtain", just "the Grand", or the "Grand Rag".
"Any Who" Really?
Ohh, thanks. "Grand Rag" is definitely the winner in my book.
At least I didn't capitalize "who"
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Sony
Active Member
I would actually guess that no it wouldn't. At a rate of 5,000gpm the water flow would be probably high enough that the oil would get broken up into fine particles from the force and turbulence of the water and would probably be extinguished from the sheer volume of water. Of course this is assuming the fire is very close to the fire line and that is it just a small fire from say an oil lamp. Also modern water based fire suppression systems are highly effective on oil fires as well as regular fires. This is because modern fire suppression systems, especially deluge system atomize the water into superfine particles which more effectively control and suppress even large and oil based fires by filling the air with a water mist making it harder for the fire to burn effectively.
What Rigger?
I'm so fly....I Neverland.
It might, but may be more likely to exacerbate the problem.
(So as to make this not a totally pointless post), Note that I found the article for which SteveB was looking as mentioned in post #16 above. Interesting reading.
Derek, didn't a deluge get accidentally triggered at a venue we were familiar with back in the very late 90's? I seem to remember hearing stories, but it happened prior to my arrival.
shiben
Well-Known Member
Well thats just unconscionably vague...
I vaguely recall that. It seems almost every venue with a deluge system has experienced at least one unwanted discharge.
What Rigger?
I'm so fly....I Neverland.
Hey man, just keepin' the details so as to not jeopardize anyone's employment. Not sayin' we did anything...just that we're still in that "can't say" club.
Some of the really high end employers in the industry (Like the place vaguely mentioned) take secrecy VERY seriously. Saying where you work and giving advice gives the appearance that you are speaking on behalf of your employer. What if I start posting, "I work for Cirque/Disney/Caesar's Palace/Upstaging/NBC and this is how we do things"? It gives the appearance that the company is officially giving out advice via me. What happens if I give out bad advice? What happens if something goes wrong? What if I give away secrets about their best tricks? It get's really messy fast and these big employers don't like dealing with lawyers or messes. So they have employees sign non-disclosure agreements, promising to not publicly identify themselves as employees.
Unfortunately being vague is the only way some members can post here.
PeterBuchin
Member
Could someone post a video of a planned test of a deluge curtain?
It would not only be fascinating to watch, but instructional for those who work in a house with a deluge system but have no idea as to the force of it.
It would not only be fascinating to watch, but instructional for those who work in a house with a deluge system but have no idea as to the force of it.
shiben
Well-Known Member
What Rigger?
I'm so fly....I Neverland.
At the risk of necroposting: I was actually trying to keep it waaayyyyy vague for Derek's sake, not mine. It's okay to get myself strung up (pardon the pun), but not others.
I was involved in a major renovation of a large church in the area that had a dedicated audio equipment room located off stage where the microphone splits, the 'brains' for the Yamaha PM1D and all the audio DSP and distribution were housed. Just a couple days before the first service the painter was in that room doing touch up and apparently hit or leaned against the sprinkler head right over the racks, damaging it sufficiently that the wet pipe system proceeded to start dumping water all over the racks. Two things saved them, sequenced power switching at the distribution panel with remote operation so they could power down at the panel from another location and the racks were on 2x4s for electrical isolation, which kept everything up high enough that the several inches of standing water did not directly affect the gear.
Surprisingly, they pulled everything out, opened it up and carefully dried it over the next few days and it actually worked for their first few services, although it was then all replaced due to the potential long term effects.
I worked in a house that had a fire curtain. However, the house had an adjustable proscenium so they added a sprinkler system at the limit of the opening of the walls. Needless to say, they did not install a very solid stop point for the walls and at one point, one of the technicians was opening the wall a bit too fast, broke past the stop block and the sprinkler system provided the stopping point. Of course, the wall had now jumped the track and could not be pulled back away while the now broken sprinkler heads were spraying water. Fortunately (?), the sprinkler heads were placed in such a way that the majority of the water sprayed into the house. The house of this theater was also a flexible space, with the majority of the seats being on platforms which could be removed so that the theater could also be set up as a thrust, round, or cabaret style. So all of the seats/platforms had to be removed to fully clean the theater. The show did not go on as scheduled.
I meant to post about this earlier, but I forgot to do so. A good friend of mine is an electrician on the show, but as of Tuesday night when I last talked to him, he didn't actually know what caused it. Anyone know?
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