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  1. HydroTripp

    Force Main Pumping Downhill

    Having designed numerous WWPS of various sizes, I cannot see that water hammer will be any problem with the low pressure head you will be dealing with. You should check the pump design for various conditions to make sure it does not runnout and overload or alternately run too far left on the...
  2. HydroTripp

    Plugging Sanitary Sewer Laterals (Trenchless?)

    There is a method called a "cold patch" CIPP which I allowed to be used on a job in one instance to repair a faulty FFP liner service pilot hole drilled in the wrong place. It delaminated from the FFP liner. I wouldn't recommend this approach. The CIPP lining of the entire main while only...
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