Not exact matches
In contrast, Baltimore Gas and Electric was on track to
replace its cast -
iron pipes in 140 years, by around the year 2150.
Between 2004 and 2012 Con Ed
replaced about 15 miles of cast -
iron pipes a year — not much compared to the 1,400 miles they had at the start.
Repair and
replace the unprotected steel and cast -
iron pipes, some of which are more than a century old.
Duke Energy of Ohio, which serves Cincinnati, had the best track record in the country,
replacing 80 percent of its cast -
iron pipes through an aggressive program approved by the Public Utility Commission of Ohio in 2001.
That requires the contractor to retrofit the system, principally by excavating part of the system and
replacing the PVC with
iron pipe.
Again, if the entire system has been compromised,
replacing the cast
iron pipes is the only way to completely remediate the problem.
If I was doing a tear down to stud remodel, I may even proactively
replace old
iron pipe if it wasn't leaking yet.
If you'll note the dark
pipes behind the bar, the original idea was to
replace them and hang heavy
iron pipes.