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  1. Pipeexpert

    mortar joints in 16 inch wsp ml&coated pipe 40 foot long

    what method do you use to mortar inside joints
  2. Pipeexpert

    8-inch VCP gravity sewer exfiltration rate? No Groundwater.

    Here is the "expert's testimony, under oath; after being asked about his "leakage assesment": BASED ON PUBLISHED LITERATURE FROM VARIOUS SOURCES FROM E.P.A. TO LOS ANGELES COUNTY TO ORANGE COUNTY SANITATION DISTRICT, THERE HAVE BEEN STUDIES THAT IDENTIFY SEWER LINE LEAKAGE AND THE RATES OF...
  3. Pipeexpert

    8-inch VCP gravity sewer exfiltration rate? No Groundwater.

    We are searching for the source of the below formula, alleged to be a pipe leakage rate for small diameter 8" VCP gravity sanitary sewer pipe by an "expert", with no citation/source given. The leakage is expressed in Liters per meter of pipe length, and it has been used to estimate the leakage...
  4. Pipeexpert

    DIP sewerline coating

    CVG: We have seen as many or more gravity sewer H2S failures as force mains, in the gravity sewers the failure point is sometimes just downstream of a force main or pump station discharge into a gravity sewer. The size of the failed pipe is not limited to large pipe, one of the H2S related...
  5. Pipeexpert

    How can you protect Ductile Iron and Concrete force main pipe from sulfide corrosion

    I have been retained as an expert on a half dozen PCCP and DIP force main failure lawsuits and claims from CA to NJ to MO to AL. The main problem is that the researchers do not test the linings at an appropriate pH, which needs to be down to 0.5 for an extended period. In one case, the Protecto...
  6. Pipeexpert

    DIP sewerline coating

    I have been retained as an expert on a half dozen PCCP and DIP force main failure lawsuits and claims from CA to NJ to MO to AL. The main problem is the researchers do not test the linings at an appropriate pH, which needs to be down to 0.5 for an extended period. In one case, the Protecto 401...

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