LittleInch - Those are my thoughts exactly. The issue with the blow-by when the water surface approaches the inlet of the 2" pipe is handled a couple of different ways. The one detail shows a second curb stop that would then be opened to allow whatever water is left at that point to drain to a...
I'm currently in the middle of a discussion between another engineer and the operator of an agricultural irrigation system on how to winterize the system. The pipeline is predominantly 14" PVC installed to grade so that water will drain to the designed low points. The discussion is over what...