Don't do something right and 44 years later, it will bite you.
A 66" water main that broke in December and sent a river of water down
River Road in Bethesda Maryland, washing cars down the road in two to
three feet of rushing water, ruptured because it was installed against
jagged rock 44 years ago, instead of on a layer of gravel, as it
should have been, according to a consultant's analysis released on May
A four-foot tear was found in the part of the pipe that had been laid
against the rock.
The Washington Suburban Sanitary Commission has 5500 miles of water
pipes and serves 1.8 million people in Montgomery and Prince George's
Paraphrased from the Washington Post, May 21, page B1.
From the article:
"The utility is pulling 1965 records for that pipe segment to
determine what, if anything, the utility's inspector noted about the
That's a lot of records for one pipe segment.
On Thu, 4 Jun 2009 09:22:14 -0700 (PDT), RicodJour
BTW, my own small n'hood of 109 houses has had 3 or more water main
breaks because the contractor disn't use "flexible" or "bendable" or
whatever kind of metal pipe bends a bit, I guess when ground settled
or a heavy truck drove on the street above. The first two were 1000
dollars each iirc, or was it 10,000? Who remembers? :( and one was
quite a bit cheaper.
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