Forums Forums Traffic Signals Slot cutting – encapsulate requirements

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    On a recent job I’ve questioned the lack of encapsulation for the loop cable and been told by some slot cutters that their standard practice is to pour bitumen direct onto the loop cable – ie no encapsulant such as epoxy resin first as called for in HCD G series / MCH1540 / MCH1542.

    I’m concerned that it is cutting corners and could lead to premature failure due to a variety of reasons but of course it may be several years to gain evidence of this and proving cause of failure isn’t always going to be easy.

    Does anyone have any experiences to share on this?



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