I actually think you have to design for two conditions (A) start-up and (C) duty. Look at your system curve for the two and size your pump accordingly. At start-up the pump must have enough power to lift the water up the the full height of the hill before it can take advantage of gravity and...
The client wants to use their existing system/equipment - otherwise we would recommend something other than dosing with chlorine for effluent discharge.
Has anyone heard of WW packaged plants (1.5 MGD) utilizing a portion of its existing aeration basins (with course bubble diffusers) as chlorine contact tanks? It appears that the aeration system is used for mixing to achieve a 1.0 Baffling Factor in lieu of actual intra-basin baffles. We are in...
