SWMM56

Subject:    How to  Subdivide   Subcatchments  in  SWMM   5 If you want to  subdivide  a larger Subcatchment in  SWMM   5  and get around the same peak flow then a good suggestion would be to make sure that (Figure 1): 1.    The sum of the new areas equals the original Subcatchment Area and 2.    The sum of the total Width values equals the original Subcatchment Width on the one Subcatchment 3.    The infiltration, percent imperviousness, roughness and depression storage should be the same.  Figure 1.   Subdividing a Subcatchment

Subject:    How to Subdivide Subcatchments in SWMM 5 How to Subdivide Subcatchments in SWMM 5 by  dickinsonre Subject:     How to Subdivide Subcatchments in  SWMM 5 If you want to subdivide a larger Subcatchment in SWMM 5 and get around the same peak flow then a good suggestion would be to make sure that (Figure 1): 1.    The sum of the new areas equals the original Subcatchment Area and 2.    The sum of the total Width values equals the original Subcatchment Width on the one Subcatchment 3.    The infiltration, percent imperviousness, roughness and depression storage should be the same.  Figure 1.   Subdividing a Subcatchment via Blogger  http://www.swmm5.net/2013/08/ how-to-subdivide- subcatchments-in-swmm-5.html