Calculation Parameters Select Channel Type: Trapezoid Triangle Rectangle Circle Triangle Trapezoid Circle Rectangle Select parameter for solving Velocity(V)&Discharge(Q) Channel slope from V Channel slope from Q Manning Coefficient from V Manning Coefficient from Q Depth from Q RightSlope from Q Even slope from Q LeftSlope from Q Select unit system: Imperial Metric Input and OutPut S= y= = V= Z1= Z2= Q= n= clean,uncoated castiron:0.014 clean,coated cast iron:0.013 dirty, tuberculed cast iron:0.015-0.035 riveted steel:0.015-0.017 lock-bar and welded:0.012-0.013 galvanized iron:0.015-0.017 brass and glass:0.009-0.013 WOOD STAVE with - (1). small diameter:0.011-0.012 (2). large diameter:0.012-0.013 CONCRETE with - (1). rough joints:0.016-0.017 (2). dry mix, rough forms:0.015-0.016 (3). wet mix, steel forms:0.012-0.014 (4). very smooth, finished:0.011-0.012 vitrified sewer:0.013-0.015 common-clay drainage tile:0.012-0.014 asbestos:0.011 planed timber:0.011 canvas:0.012 unplaned timber:0.014 brick:0.016 rubble masonry:0.017 smooth earth:0.018 firm gravel:0.023 corrugated metal pipe:0.022 natural channels good condition:0.025 NATURAL CHANNELS with - with stones and weeds:0.035 very poor natural channels:0.060 Status: P= A= T= E= F= yC= SC= VH=