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Cosmic_Bard
location: Toronto, Ontario, Canada Gender: Male
Go on... pet it... I dare you.
| | "Alarm will sound if openned." Real warning? < on 1/10/2004 4:16 AM >
| | | I've seen a lot of doors in my time with that sign on or nearby them that don't actually trigger any sort of alarm. In your experiences, what sort of percentage are we looking at for doors labelled as such that actually have an alarm? Also, some telltale signs of whether or not it's rigged for an alarm would be nice to know, too. I know most doors have that sensor above the frame, but that's usually on the opposite side so... ^_^;
"I think the only feasable solution to getting this door open is hitting the doorknob with the sledgehammer." "Won't that be noisy?" "Probably." |
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Parteimitglied
location: Manitoba, Canada
| | Re: "Alarm will sound if openned." Real warning? <Reply # 1 on 1/10/2004 4:24 AM >
| | | By and large any door that says that and does have a alarm will have a small alarm mounted on the door in plain view as a deterent if it's in a public area, and otherwise I'd say you have a fifty-fifty chance that the signs are lying to you (with a fifty percent margin of error - don't blame me for your actions setting off alarms). In theory if you had a big sucker magnet on the frame by the sensor it would keep the magnetic switch from being tripped, unless you got the polarity wrong and it would set off the alarm without opening the door. Pointless eh?
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Shane
Moderator location: Bronx, NY Gender: Male
| | | | | | Re: "Alarm will sound if openned." Real warning? <Reply # 2 on 1/10/2004 6:39 AM >
| | | In my experience, there's really only one way to find out... opening the door and seeing what happens. I've seen doors with those huge alarm units on them, opened them, and have had nothing happen. I've also opened plain looking doors that looked like the signs would be lying, and the alarm has in fact gone off. The other issue with these is wether or not it's a silent or audible alarm. You might open it, and it may not make any noise, but it might have notified someone in a security office. In those situations, if I have time, I'll try to set off the alarm by opening it, and leaving the door open, and then leaving. Either I'll wait nearby where I can see the door, or go somewhere else and return in like 15 minutes or so, and see if someone has shown up and closed the door. I've used this technique a few times to find out if the alarm is even being monitored, and it's worked pretty well. Of course, depending on the location, you could just go through the door and if no audible alarm sounds, proceed with your exploration but keep the fact that someone might show up to investigate in mind and be prepared to either hide somewhere or have some plausible excuse.
"Because there's no possibility of real disaster, real risk, we're left with no chance for real salvation. Real elation. Real excitement. Joy. Discovery. Invention. The laws that keep us safe, these same laws condemn us to boredom. Without access to true chaos, we'll never have true peace. Unless everything can get worse, it won't get any better." -Chuck Palahniuk |
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Chikote
This member has been banned
I R NO SPEL RITE
| | Re: "Alarm will sound if openned." Real warning? <Reply # 3 on 1/10/2004 10:10 AM >
| | | The way I figure, is that if it's in public view in a mall for instance, it is probably around 60% likely to be only a deterrant. But if it is in somewhere that staff or security would most likely only ever see, then it is about 60% likely to be real. People either put those signs up for one of two reasons, 1. to save staff from accidentally setting off the alarm, and 2. to deter would be criminals and explorers.
Dear Chasey Lain, I wrote to explain, I'm your biggest fan, I just wanted to ask; Could I eat your ass? Write back as soon as you can. |
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uem-Tux
Iron Wok Jan location: Montreal Gender: Male
UE Geek
| | | | Re: "Alarm will sound if openned." Real warning? <Reply # 4 on 1/10/2004 6:05 PM >
| | | I guess maybe it's different here in Montreal? In my experience, doors that have warning signs are always alarmed. I've never seen a fake-out.
Urban Exploration Montreal Why are you the way that you are? |
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Caenos
location: Winnipeg, Mb Gender: Male
| | Re: "Alarm will sound if openned." Real warning? <Reply # 5 on 1/12/2004 2:59 AM >
| | | Well, at the Polo Park mall here in winnipeg, I can tell of at least 20 doors labeled 'alarm will sound' that are not alarmed at all. There are, on the other hand, 2 doors that I am SURE are alarmed. Mostly by the HUGE steel alarm box connected with armoured cable.... Not to mention the 2(!) signs beside the door threatening fines if you sound the alarm... [Edit] now that I think about it, one of those 2 doors was in a portion of the mall that had not been used in years (except for storage) so we're accually pretty sure that the alarm doesn't work (it also looks older, and of a completely different alarm system) ps: We were damn glad we spotted the alarm if it was active tho... theres no discerning marks at ALL on one side of the door [/edit] [last edit 1/12/2004 3:03 AM by Caenos - edited 1 times]
I wonder whats behind THAT door? |
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Ninjalicious
Gone, but always with us location: Toronto
| | | Re: "Alarm will sound if openned." Real warning? <Reply # 6 on 1/13/2004 4:01 PM >
| | | I'd say "Alarm Will Sound" is accurate about 80 percent of the time. But I could easily find 100 doors here in Toronto where it is a blatant lie. Usually, the trend is consistent throughout a building, so if you find one lying door they're probably all lying doors. Ninj http://www.infiltration.org
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Chikote
This member has been banned
I R NO SPEL RITE
| | Re: "Alarm will sound if openned." Real warning? <Reply # 7 on 1/13/2004 7:03 PM >
| | | Posted by Ninjalicious I'd say "Alarm Will Sound" is accurate about 80 percent of the time. But I could easily find 100 doors here in Toronto where it is a blatant lie. Usually, the trend is consistent throughout a building, so if you find one lying door they're probably all lying doors. Ninj http://www.infiltration.org
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This may just be in my imagination, but isn't there a device that alarm fitting type people use to locate alarms? (IE sensors etc.)
Dear Chasey Lain, I wrote to explain, I'm your biggest fan, I just wanted to ask; Could I eat your ass? Write back as soon as you can. |
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vote robotlican
location: OH
the OTHER constant robotic menace.
| | Re: "Alarm will sound if openned." Real warning? <Reply # 8 on 1/20/2004 12:38 AM >
| | | there are home safety type devices that measure electromagnetic fields, but I think they're designed to find leaks in your microwave door or show how much electromagnetic radiation you're getting from the transformer across the street and stuff like that.
thank god for the worker bees |
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HAMMERTIME
location: Reading Pennsylvania Gender: Male
mmm, a box . . . just a box
| | Re: "Alarm will sound if openned." Real warning? <Reply # 9 on 3/31/2004 6:21 AM >
| | | Back in my "Dark Side" days, I picked the lock on the back door of a business, opened the door and WHAANT, WHAANT, WHAANT, goes the alarm. The inside of the door had a DETEX pushbar alarm that sounds if the door is opened so that the cashier knows that someone is exiting out the back or an employee is passing merchandise out the back door. Of course I got that wonderful adrenalin rush but realized that, hey, this is a local alarm and no one is around. I entered, looked around quickly for a key to turn the damn thing off and not having a lookout, decided to amscray (how do you spell Amscray?). I should have written down my exploits while in prison, so I would remember - God knows I had plenty of "time"; but alas, I forget if I picked the DETEX alarm box to turn off the alarm, (I do remember trying to push the lever to deactivate the squawking box - to no avail, which was kind of asinine, if all you had to do to turn off the alarm was re-push the lever, you could open the door and quickly push the lever), but I believe I pulled the door shut and checked on the door later and found the alarm had reset. With the push bar alarm, the alarm trigger has to do with the actual pushbar (I think when you turn the key from the outside, it pulls the push bar in. No magnetic contact switches. The DETEX has the siren, battery, etc all inside of the unit. Well, when a new business takes over, they may not put a new battery in the DETEX pushbar alarm unit and it looks good but no alarm. What you could do, is if you have access to the inside of the door, you could inject foam or other acids/ chemicals into the siren holes to kill the unit or if outside, open the door and quickly cover the siren emitting hole area of the door alarm with duct tape - won't quiet it all the way but may help. if leaving a trace is not a problem, open the door, enter and HAMMERTIME Thor with his mighty sledge always prevailed. HAMMER
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NV
Supreme Noble Donor location: City of Chicago, Richard M. Daley, Mayor
| | Re: "Alarm will sound if openned." Real warning? <Reply # 10 on 3/31/2004 3:17 PM >
| | | With the push bar alarm, the alarm trigger has to do with the actual pushbar (I think when you turn the key from the outside, it pulls the push bar in...
In my experience, if you can open the door without pushing the "pushbar", the alarm will not go off. Often with these types of doors, the latch keeping the door locked is visible from the "pushbar" side. There is a door like this where I work, and to bypass it (I often froget my key) I just take my pencil and push it into the latch--the latch relases, and the door opens without sounding the alarm. --Noah
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NoSuchPerson
Stop, or I'll ask you again!
| | Re: "Alarm will sound if openned." Real warning? <Reply # 11 on 4/1/2004 2:51 AM >
| | | My experience is that most of these signs are bullshit. But, assuming they aren't - like Shane said...just go through it. More than 80% I'd say...of these types of doors take you either right outside, or into a stairwell that leads right outside. So just push the door open, if an alarm goes off, get out - quick. If it sets off just a door alarm, no big deal, but let's hope if you're in a large office building, it doesn't set off the building's fire alarm. In most highrise buildings, the fire alarm is triggered at the Security Desk, then they go and check it out...if it's anything, they'll activiate the external alarm which actually triggers the alarm bells and brings the fire department - so just because you haven't heard an alarm doesn't mean you haven't set one off. Having said that...just give it a try! -Ex
Unit calling radio say again? |
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JimBoylan
location: SouthEast Pennsylvania, U. S. of A. Gender: Male
| | Re: "Alarm will sound if openned." Real warning? <Reply # 12 on 4/1/2004 3:19 PM >
| | | While there's no guarantee that your experience will be the same, some of those signs are like the ones for the "Protected By The $5.00 Sign Security Company": You can buy or print extra signs without the alarm or service. If you see a box with no cable, it's probably battery powered. There could still be a radio link, though. And locksmith supply stores sell door hinges with built-in wiring so the cables are hidden and protected, even across the gap from the door to the frame.
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deadend
| | Re: "Alarm will sound if openned." Real warning? <Reply # 13 on 4/1/2004 6:14 PM >
| | | On some push bar alarms, if you dont push them to far in (just enought to open the door) you can pull the bar back out to cause it to shut up.
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matr0x
location: Ottawa, ON Gender: Male
| | Re: "Alarm will sound if openned." Real warning? <Reply # 14 on 4/10/2004 1:39 AM >
| | | At my work, there is an emergency exit that has a sign on it saying "EMERGENCY EXIT ONLY: ALARM WILL SOUND UPON OPENING" and its total crap... the IT guys use it when we go next door for coffee because its quicker. Also, at the YMCA where I workout, there is a back door that says "Emergency Exit - alarm will sound at front desk when opened" and thats bull too, I use it to sneak my friends in to play basketball every sunday.
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