apartmentblower
Member
my new place has auto. fire sprinkler system... is there danger of a HID light getting close to it and setting it off?? 
automatic fire sprinklers
- Thread starter apartmentblower
- Start date
LlamaSchool
Member
It depends - are they heat activated? Smoke activated?
most are heat activated
They have a small piece of metal that is used as a water stopper, when the metal, changes shape, with heat, the sprinklers are turned on, and normally just not for you
But I suspect that it would take heat well into the area of 150 f, as apartments left uncooled in teh summer can easily hit that as well
They have a small piece of metal that is used as a water stopper, when the metal, changes shape, with heat, the sprinklers are turned on, and normally just not for you
But I suspect that it would take heat well into the area of 150 f, as apartments left uncooled in teh summer can easily hit that as well
fire sprinklers are heat activated. I grew in a spot that had them. I didn't want to take a chance so I insulated the ones that were close to the hoods with styrofoam. I believe that when one turns on they all turn on. I couldn't shut off water supply and felt it was the best option. It worked out for me. With that said. I am by no means telling you to do the same. You have to use your own judgement.
I agree with Dr dog. They need to get pretty hot. I bet its more like 200 degrees or more. I always thought that there was no way that people would take the chance of those things going of and wetting valuable computer equip and files and whatever else businesses have unless there was no way the sprinklers could confuse hot temps with FIRE. I have nothing to base this theory on though. LOL
I found this chart
Each closed-head sprinkler is held closed by either a heat-sensitive glass bulb (see below) or a two-part metal link held together with fusible alloy such as Wood's metal[1] and other alloys with similar compositions.[2][3] The glass bulb or link applies pressure to a pip cap which acts as a plug which prevents water from flowing until the ambient temperature around the sprinkler reaches the design activation temperature of the individual sprinkler. Because each sprinkler activates independently when the predetermined heat level is reached, the number of sprinklers that operate is limited to only those near the fire, thereby maximizing the available water pressure over the point of fire origin.
The bulb breaks as a result of the thermal expansion of the liquid inside the bulb.[4] The time it takes before a bulb breaks is dependent on the temperature. Below the design temperature, it does not break, and above the design temperature, it takes less time for higher temperatures. The response time is expressed as a response time index (RTI), which typically has values between 35 and 250 m½s½, where a low value indicates a fast response.[5] Under standard testing procedures (135 °C air at a velocity of 2.5 m/s), a 68 °C sprinkler bulb will break within 7 to 33 seconds, depending on the RTI.[6] The RTI can also be specified in imperial units, where 1 ft½s½ is equivalent to 0.55 m½s½.
Maximum Ceiling Temperature Temperature Rating Temperature Classification Color Code (with Fusible Link) Glass Bulb Color
100°F / 38°C 135-170°F / 57-77°C Ordinary Uncolored or Black Orange (135°F) or Red (155°F)
150°F / 66°C 175-225°F / 79-107°C Intermediate White Yellow (175°F) or Green (200°F)
225°F / 107°C 250-300°F / 121-149°C High Blue Blue
300°F / 149°C 325-375°F / 163-191°C Extra High Red Purple
375°F / 191°C 400-475°F / 204-246°C Very Extra High Green Black
475°F / 246°C 500-575°F / 260-302°C Ultra High Orange Black
625°F / 329°C 650°F / 343°C Ultra High Orange Black
http://en.wikipedia.org/wiki/Fire_sprinkler
Each closed-head sprinkler is held closed by either a heat-sensitive glass bulb (see below) or a two-part metal link held together with fusible alloy such as Wood's metal[1] and other alloys with similar compositions.[2][3] The glass bulb or link applies pressure to a pip cap which acts as a plug which prevents water from flowing until the ambient temperature around the sprinkler reaches the design activation temperature of the individual sprinkler. Because each sprinkler activates independently when the predetermined heat level is reached, the number of sprinklers that operate is limited to only those near the fire, thereby maximizing the available water pressure over the point of fire origin.
The bulb breaks as a result of the thermal expansion of the liquid inside the bulb.[4] The time it takes before a bulb breaks is dependent on the temperature. Below the design temperature, it does not break, and above the design temperature, it takes less time for higher temperatures. The response time is expressed as a response time index (RTI), which typically has values between 35 and 250 m½s½, where a low value indicates a fast response.[5] Under standard testing procedures (135 °C air at a velocity of 2.5 m/s), a 68 °C sprinkler bulb will break within 7 to 33 seconds, depending on the RTI.[6] The RTI can also be specified in imperial units, where 1 ft½s½ is equivalent to 0.55 m½s½.
Maximum Ceiling Temperature Temperature Rating Temperature Classification Color Code (with Fusible Link) Glass Bulb Color
100°F / 38°C 135-170°F / 57-77°C Ordinary Uncolored or Black Orange (135°F) or Red (155°F)
150°F / 66°C 175-225°F / 79-107°C Intermediate White Yellow (175°F) or Green (200°F)
225°F / 107°C 250-300°F / 121-149°C High Blue Blue
300°F / 149°C 325-375°F / 163-191°C Extra High Red Purple
375°F / 191°C 400-475°F / 204-246°C Very Extra High Green Black
475°F / 246°C 500-575°F / 260-302°C Ultra High Orange Black
625°F / 329°C 650°F / 343°C Ultra High Orange Black
http://en.wikipedia.org/wiki/Fire_sprinkler
Thats a interesting bit of information. great find.
DiscoBiscuits
Member
I mean yeah I've cooked pretty regularly iand their were sprinklers in the apartment much more likely for those goddamn smoke (heat) detectors to go off fuck lol!
The place I grew at had a giant valve and big ass tamper proof lock on it from the fire dept. I opted to insulate them and lightly tacked the covers I made to the ceiling thinking that if there was a fire they would melt and set the sprinks off and the pressure from the sprinks would be strong enough to blow the covers out of the way. It was a halfwit plan but my logic was that if there was a fire I was probably caught anyway and I didn't need the extra problems associated with burning a house down. If there wasn't a lock I prob would have shut it down but who knows.
E
EllieGrows
I think the disaster would be setting off the sprinklers for the rest of this building that you live in. I would make damn sure that your light isn't going to set those sprinklers off, there has got to be a way to disable them. Maybe ask a firefighter friend?
OH Yeah!!!! I was alone in a house!!! I didn't even think of him living in an apartment. DuH i'm such a stoner!!! should have read his name a little better. LOL That would SUUUUCK.
apartmentblower
Member
thanks.. i will do some more research
