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<br />(3 0s., t3 e 0- LJ ee <br />(J..-7();A) Ll~/-e...- ./.! ere '/ <br /> <br />10 . (). 7- 7..3/" <br /> <br />. <br /> <br />. <br /> <br />STEP "B" R-2 CROSS <br /> <br />Develop Data for Manning's "n" Calculation. <br />(Control Card - Card Five type) <br /> <br />Depth to Water at time of discharge <br />measurement, i.e.: Max, Depth from <br />Ref. Datum Line to bottom minus depth <br />of water at that point. (Col. 1-5) <br /> <br />First Streambank - Waterlin~ Intersect, <br />Distance in feet from "all point, from <br />computer plot. (Col. 6-10) <br /> <br />Furthest Streambank - Waterlin~ <br />Intersec t, ,Distance in feet from "Olt <br />point, from computer plot. (Col. 11-15) <br /> <br />Total length of tape spanning cross- <br />section. Feet. (Col. 16-20). <br /> <br />. <br /> <br />Manning's "n" value. Roughness <br />coefficient. May use .055 (Col. 21-25) <br /> <br />Slope, or gradient of Stream Channel <br />reach, in percent. i.e.: enter 6% <br />as .060 etc. (Col. 26-30). <br /> <br />Measured Discharge (Q). (Col. '31-35) <br /> <br />. <br /> <br />Office Form <br /> <br />---L <br />1 <br /> <br />I <br />.' <br />5 <br /> <br />- - -:2... . l <br />6 10 <br /> <br />__L2.() <br />11 15 <br /> <br />--2.J.Q <br />16 20 <br /> <br />21 <br /> <br />Q~f <br />25 <br /> <br />_f}:ot2f <;~ <br /> <br />26 30 <br /> <br />__~~.f2 <br />31 35 <br /> <br />~ <br />// <br /> <br />~/ <br /> <br />''!' 2 <br /> <br />t <br /> <br />e <br /> <br />~--'J..,.---- <br />- " <br /> <br />---/.,- ' <br />