Hydrostatically testing the entire piping system in the field presents problems in how to temporarily support the pipe (with the weight of the water) and then there are problems in getting rid of the water after the testing - sewers can't handle it.
cvg........we are the engineer. pipe is A139. Yes, water is the medium. Design working pressure = 30 psi. We intend to hydro each 40' section. After testing, the pipe will be encased in concrete.
These are AWWA C200 pipe.
Does anyone have any experience, or suggestions, regarding hydro. testing large dia. (144") pipe?. Are there any shops that can do this? Generally, it is done onsite.
Would also like some input on the necessity of welding interior AND exteior joints of such large pipe, which will eventually be...
