Live truck in Orlando hits bridge

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NECRAT
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Live truck in Orlando hits bridge

Post by NECRAT »

http://www.wesh.com/r-slideshow/26558248/detail.html

Read this and share it with your news and promotion departments. I know many engineers (myself included) who drive live trucks.
Always be careful when doing so. Fortunatley in this one, no one was hurt. Good pictures on the slide show, though.
Mike Fitzpatrick
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"If you don’t think you’re good, nobody else will" - Tom Laun (RIP)."

TheSigma
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Re: Live truck in Orlando hits bridge

Post by TheSigma »

So it was a Technical malfunction that caused the accident, huh. sure it wasn't a human malfunction.....

is this as common as it seems, mast related accidents that is. seems like there have been a few here lately that made it to this board....

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rockmanac
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Re: Live truck in Orlando hits bridge

Post by rockmanac »

Friends tell me an alarm should have gone off if the mast went up.
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w9wi
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Re: Live truck in Orlando hits bridge

Post by w9wi »

Yep. I can't speak for all brands of truck but ours have an alarm that goes off if the mast is up & the transmission is shifted out of park.
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Doug Smith W9WI
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NECRAT
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Re: Live truck in Orlando hits bridge

Post by NECRAT »

w9wi wrote:Yep. I can't speak for all brands of truck but ours have an alarm that goes off if the mast is up & the transmission is shifted out of park.
It's a personnel safety device, so it's probably required under OSHA.

Now how often they are tested, is another story.
Mike Fitzpatrick
Broadcast Engineer/Tower Photographer
Boston area.
https://www.necrat.us, https://www.scan-ne.net/

"If you don’t think you’re good, nobody else will" - Tom Laun (RIP)."

w4cl
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Re: Live truck in Orlando hits bridge

Post by w4cl »

NECRAT wrote:Now how often they are tested, is another story.
At my place, every time the truck is driven! :mrgreen:

w9wi
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Re: Live truck in Orlando hits bridge

Post by w9wi »

NECRAT wrote:Now how often they are tested, is another story.
The way it's wired, at least on our trucks, it would be awfully difficult for the thing to fail in a way that would prevent it from alarming when justified. Nor is there any easy way, at least on our trucks, for the operator to disable the alarm.

(false positives, on the other hand, aren't nearly as unlikely, which is why I know how it's wired!)

Of course, one should never say never. And one should never substitute safety equipment for caution.
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Doug Smith W9WI
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KPJL FM
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Re: Live truck in Orlando hits bridge

Post by KPJL FM »

w4cl wrote:
NECRAT wrote:Now how often they are tested, is another story.
At my place, every time the truck is driven! :mrgreen:
you mean every time the truck is crashed! :twisted:
Trim to fit, paint to match, tune for minimum smoke.

NECRAT
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Re: Live truck in Orlando hits bridge

Post by NECRAT »

w9wi wrote: The way it's wired, at least on our trucks, it would be awfully difficult for the thing to fail in a way that would prevent it from alarming when justified. Nor is there any easy way, at least on our trucks, for the operator to disable the alarm.
You'd be suprised. I know at my old station, the alarm was tied into the fuse block and the fuse blew without anyone knowing on it. I always test that alarm when I take a truck out, which is how I knew about it. The connection to the mast was solid, but the other side ( to the dash light and under dash buzzer) are your typical after market 12v connectors.
Mike Fitzpatrick
Broadcast Engineer/Tower Photographer
Boston area.
https://www.necrat.us, https://www.scan-ne.net/

"If you don’t think you’re good, nobody else will" - Tom Laun (RIP)."

manchesterjim
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Re: Live truck in Orlando hits bridge

Post by manchesterjim »

I used to work at one of the truck manufacturers. The mast up warnings are difficult to defeat, but we've seen lots of "operator induced get-arounds", like punching out the dash mounted buzzer and/or removed the indicator light next to it!

Usually happens because of a false positve warning and the like.

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