srinivasa rao Member Member since Aug 19, 2013 Last active Jun 7, 2016 Total activities 0 Activity feed Recent contributions #Threads 12 years ago 52aaf89c-1961-4c7b-9389-b762a0446d30 Cross section depends the Height of Dam.Height of dam depends on Natural ground Levels.If generally NGL (Natural Ground level)is low the bottom...