The length of the proposed 2" force main will be around 152 feet. The length of the existing 6" force main is around 775 feet from the point where the 2" tie-in to the manhole. I've ran analysis in WaterCAD and it just isn't feasible to get good enough scouring velocity. With just one pump on I...
I am working on a small grinder pump tank design for a sales office. Daily design flow is only 150 gpd (6 employees x 25 gpd). The issue that I have is that we have an existing 6” force main that discharges into a gravity sewer and it appears that it will be challenging to get 2 ft/s scouring...
