Nov 20, 2012 #1 LincolnPE Civil/Environmental Mar 12, 2011 203 0 0 US thread162-321762 I second the HEC 15 motion. Put the rock on a granular bedding, not filter fabric, it's too slippery and make a mess. If you give me your channel dimensions, channel slope and flowrate, I can check rock size for you with HEC 15.
thread162-321762 I second the HEC 15 motion. Put the rock on a granular bedding, not filter fabric, it's too slippery and make a mess. If you give me your channel dimensions, channel slope and flowrate, I can check rock size for you with HEC 15.