Not to sound stupid, but why does opening the surge anticipation valve during a negative pressure wave exacerbate the downsurge?
I am working on a sewage pump station modification right now where they have surge anticipation valves. I need to make recommendations on their optimal timing and...
I am investigating methods to point repair a 60" CMP sanitary interceptor. The crown of the pipe has corroded and is failing in some areas. The sections are limited in length (usually 5-6' long).
Is anyone familiar with methods of reparing the pipe short of direct replacement?
