Tips for modeling Force Mains (FM) in #SWMM5 and #InfoSWMM
Tips for modeling Force Mains (FM) in #SWMM5 and #InfoSWMM It often helps to add a break node to a long force main (especially if it joins the Gravity Main (GM) system at the end of the FM): 1. Add a Surcharge Node at the end of the Force Main (FM) 2. The FM will have a d/D of 1 most of the time and 3. There will not be an abrupt transition between the FM and GM system. Plotting a Reference Graph in InfoSWMM makes it easy to see how the Pumps react to Wet Well Depths. FM to GM Transitions Break Node in FM's