Quote:
Originally Posted by monkeyman
It's premature to blame this on the pipe or the Engineers 50 years ago. The pipe and specifically the wires need to be properly maintained and cared for to avoid corrosion. If the wires corrode, they're going to fail, if the wires fail, the pipe will fail. Under normal circumstances the wires are shielded by a layer of cement. One of the things that compromises the cement protective layer is salt.
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Interesting that you mention salt. Seeing as these water mains are under roads, with 16th Ave being a large one, I am wondering how much the (now liberal) amounts of road salt applied whenever there is a skiff of snow plays into the concrete liner deteriorating?