We are currently working on rehabilitation of a wastewater pumping station by placing 30 years olds pumps and other upgrades. Existing 24" steel piping header, also 30 years old, has a current wall thickness of over 1/2". The wastewater is typical residential wastewater at 60 degrees with a...
We are currently working on rehabilitation of a wastewater pumping station by placing 30 years olds pumps and other upgrades. Existing 24" steel piping header, also 30 years old, has a current wall thickness of over 1/2". We would prefer to leave the header and not replace it due to operation...
I am trying to find documentation/clarification on bacteriological testing requirements.
According to AWWA Standards, C651-99, Section 5.1, two consecutive setsof acceptable bacteriological samples are required. I am trying to clarify the requirements on the second day samples. It is my...