[PRCo] Re: Active PCC lines?

fwschneider at comcast.net fwschneider at comcast.net
Sat Sep 29 23:10:28 EDT 2007


It was either a reliability issue or a perception of trouble in the future.   I think the state ordered the change because of their inability to maintain the shunts before the accident actually happened.
-------------- Original message -------------- 
From: "Boris Cefer" <westinghouse at iol.cz> 

> But not all of the shunts were broken... Were the signals less reliable or 
> they did not work at all? 
> 
> ----- Original Message ----- 
> From: 
> To: 
> Sent: Friday, September 28, 2007 5:59 PM 
> Subject: [PRCo] Re: Active PCC lines? 
> 
> 
> > Phil: 
> > When you do not know how to properly torque the mounting bolts or maintain 
> > the shunts around the rubber so that the signals will detect cars, you go 
> > to solid steel wheels to correct inadequate maintenance practices. Phil 
> > Craig could explain the Boston problem ... I recall they were ordered to 
> > use solid wheels because cars were not tripping signals because the shunts 
> > around the rubber were broken off and not being fixed. 
> > 
> > As you hinted, it was a matter of incompetence. 
> > 
> > Fred Schneider 
> 
> 




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