Re: ADT DEALER - A shining example for work safety.

[JoeRaisin <joeraisin2001@xxxxxxxxx>]

JoeRaisin wrote:
> Spellcheck Patrol wrote:
>> On Dec 16, 12:08 am, "John Smith" <aliasJowB...@xxxxxxxxxxxxx> wrote:
>>> http://yfrog.com/1aadtsafteyexamplej
>>>
>>> Yep.  Both sides same thing.  Aluminum ladders.   <
>>
>> That's an authorized dealer logo on the vehicle
>>
>
> Think I could get one of those?
>
>
>
> Seriously though, since we are talking about aluminum ladders, and more
> to the point - the reason for not using them, ie: electricity; I have a
> a question about something that came up on an oil field consulting job I
> was just on (trust me, if you were as ADD as I am this logic would make
> perfect sense).
>
> I'm no electrician (and I can't afford to stay at a Holiday Inn Express)
> and don't generally like to play around with big-boy voltages but if I'm
> not mistaken, ground is ground the world around...
>
> Many many years ago is used to work as a mud logger
> (http://en.wikipedia.org/wiki/Mudlogger) and am re-training so I can
> pick up some cash here and there.  It's good money but the jobs are
> infrequent at best.
>
> Anyway - I'm working out of the company man's trailer and, yesterday,
> after he takes off his thick rubber boots and steps out he finds that
> the trailer skin is electrically hot.
>
> Long story short we finally found that the coffee pot had a short
> somewhere that was feeding 110 back into the ground circuit.  Trust me,
> the loss of the coffee pot was a bigger blow than finding the 110 on the
> door handle.
>
> Oil rig electrical systems are notorious - partly due to rickety
> generators (that put out 90 VAC one minute and 200 VAC the next) and
> partly due to roughnecks.
>
> Roughnecks, God bless 'em, are some of the toughest, hardest working
> folks I've ever met and absolute geniouses at making just about anything
> "work" via bubble gum and band-aids but, as creative as they are, if
> pressed to do thing the "proper way" they would be clueless.
> Surprisingly enough - these fixes almost never raise the eyebrows of
> OSHA inspectors despite how scary it looks.
>
> As a result, some of the folks who bring work trailers to the locations
> will put out their own ground stakes as an added precaution.  The
> company man has taken (what he considers to be) the added measure of
> removing the ground from the incoming power cord so he has only one
> ground on his systems.
>
> His trailer is about 100ft from the rig on frozen, sandy ground and I
> suspect the poor ground reference back to the main panel is why we
> didn't trip the breaker in the generator house when the short occurred.
>
> Does anyone know if having both grounds present is a problem?  I can't
> remember what the rules (or more important - the why's) about proximity
> regarding two ground stakes in in an electrical system.
>
> He swears by the separate ground stake for the trailer so that's not
> going away, but I think I should try and talk him into reconnecting the
> rig ground as well.
>
> He's a reasonable guy and if it's the right thing to do he'll go along.
>  I just want to be sure it's the right thing.
>
> Also - the trailer's real sensitive equipment (gas monitors and such)
> are protected by redundant UPS's and a rheostat.
>
> Any help?  I got to go back out tonight or tomorrow...

A better description of mud logging with illustrations of the log
created:  http://en.wikipedia.org/wiki/Mud_logging