I’m working on a force main that has a few of 22-1/2 degree and 11-1/4 degree bends. My references have friction losses for 90 degree and 45 degree bends, but nothing for these smaller bends.
In the past, I have prorated the losses for 45 degree bends or just used the 45 degree bend friction...
My question concerns differences in Arsinic levels using EPA approved analytical methods. The water system serves < 10,000 and is in NJ (As MCL is 0.005 mg/l)
Three years ago, As testing was done and Std Method 3113 B was used. Of the 4 source wells, 1 was clearly over the MCL (>0.010 mg/l) 1...
I am reviewing a design for a duplex grinder pump station to serve 25 homes.
Looking back over my experience, it has really not included this type of application. My experience has been in projects that the same size and larger using non-clog pumps and grinder pump projects that are much...
