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Started By
Message
Posted on 10/26/20 at 6:20 pm to swolverine
quote:
This situation probably should have been escalated to a supervisor.
You forced this one.
3/10
Posted on 10/26/20 at 6:43 pm to shutterspeed
Elevators are simple for the most part and work off an inputn of switches.
In this case the elevator is called down and the instruction in the relay logic holds that command until the door switch (closed in this case) makes/breaks to satisfy the line or "rung" in the relay "ladder" logic. The next line of command is executed.
The maintenance guy pushed the button in the basement to call the elevator. When her large package hit the closed button at the top of the cage as she was entering/exiting the elevator... The relay/switch logic saw the input come in and executed the next command and the elevator moved down to it's next instruction. She would have been pinned.
In this case the elevator is called down and the instruction in the relay logic holds that command until the door switch (closed in this case) makes/breaks to satisfy the line or "rung" in the relay "ladder" logic. The next line of command is executed.
The maintenance guy pushed the button in the basement to call the elevator. When her large package hit the closed button at the top of the cage as she was entering/exiting the elevator... The relay/switch logic saw the input come in and executed the next command and the elevator moved down to it's next instruction. She would have been pinned.
This post was edited on 10/26/20 at 6:44 pm
Posted on 10/26/20 at 6:54 pm to Swoopin
quote:
How does an elevator going down pin her against a wall?
Feel like this article could be more clear but I might just be a moron
I’m not sure exactly but my guess is it was the wall by the door and the elevator. I’m guessing the large package kept the door gate switch in the “close” position, while the door was still open, and she was in the doorway thereby crushing her.
Seems crazy it’s just excused like this, but it’s possible there was a safety switch she bypassed thereby making it more dangerous then normal?
Posted on 10/26/20 at 7:00 pm to Chucktown_Badger
quote:
You forced this one.
3/10
To be fair the joke buffet was picked over like the Golden Corral 30 minutes before closing when he got here.
Posted on 10/26/20 at 7:11 pm to Da Sheik
(no message)
This post was edited on 11/22/20 at 6:42 pm
Posted on 10/26/20 at 11:29 pm to Ricardo
Still don't get how this is human error. Can we call it crappy and unsafe design? My large package should not be able to activate a safety switch.
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