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We have a number of local projects (existing buildings 4 – 6 stories 15 – 20 years old) that survived hurricane Katrina, but in the process of repairing / redoing the properties we have come up with some problems with the existing waste & vent systems.
Existing systems (no-hub cast iron) have an enormous amount of scaling inside them, (both waste & vent) even in the vertical pipe on upper floors. We have found some systems on the 3rd floor completely blocked from the scaling
Systems also have hair line, to ¾” cracks in the piping and fittings, (horizontal and vertical systems) through out the project.
The buildings sat vacant for over 2 ½ plus years, and the waste and vent piping systems may have dried out over that period form not being used.
Our questions:
· Any idea what might have caused:
· Scaleing?
· Cracks?
· Pipe / fitting deterioration?
Would appreciate any information / theory / experience that you might have to share with
Good Plumbing
Oneofthepack.
Existing systems (no-hub cast iron) have an enormous amount of scaling inside them, (both waste & vent) even in the vertical pipe on upper floors. We have found some systems on the 3rd floor completely blocked from the scaling
Systems also have hair line, to ¾” cracks in the piping and fittings, (horizontal and vertical systems) through out the project.
The buildings sat vacant for over 2 ½ plus years, and the waste and vent piping systems may have dried out over that period form not being used.
Our questions:
· Any idea what might have caused:
· Scaleing?
· Cracks?
· Pipe / fitting deterioration?
Would appreciate any information / theory / experience that you might have to share with
Good Plumbing
Oneofthepack.