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<br />I <br /> <br />I <br /> <br />Step d) Design Wind Velocity and Duration <br /> <br />Adjust the plot scale, print, and draw in lines <br /> <br />I <br /> <br />I <br /> <br />85 <br />80 <br />75 <br />70 <br /> <br />Over Water Wind Velocity Versus Duration <br />1- . <br /> <br /> <br />I <br /> <br />'65 <br />E <br />-&J <br />3l <br />~ <br />'C <br />.50 <br />3: <br />45 <br />40 <br />0.0 <br /> <br />120.0 <br /> <br />I <br /> <br />I <br /> <br />20.0 <br /> <br />40.0 Durailba, minutai.O <br /> <br />100.0 <br /> <br />I <br />I <br /> <br />I <br /> <br />65 <br />20 <br /> <br />Im!/hr <br />mln <br /> <br />Design Wind Velocity, U = <br />Design Wind Duration = <br /> <br />I <br />I <br /> <br />Step e) Significant Wave Height, Hs, and Wave Period, T <br /> <br />I <br /> <br />From Figures 9 and 10, using effective fetch and design wind velocity <br /> Hs= I 3.5 Ifeet (minimum freeboard) <br /> T= I 3.42 Iseconds <br />Adjusted H = 1.27xHs= 4.4 feet (normal freeboard) <br /> <br />I <br /> <br />Step f) Deep Water Wave Length, La <br /> <br />La = 5.12 T~ = <br /> <br />59.9 <br /> <br />feet <br /> <br />I <br /> <br />Validity of deep water assumption: <br />Max. Reservoir Depth = I 20 <br /> <br />Ifeet <br /> <br />I <br /> <br />~ <br /> <br />No ~(Yes or No) <br /> <br />Adjustment to L for shallow depth (reference USACOE Shore Protection Manual, Volume III, 1977): <br /> <br />Reservoir Depth> (59.9)/2 = 29.9 feet? <br /> <br />I <br />I <br />I <br /> <br />d/La = 0.3340 <br /> <br />From Table C-1, using d/La: <br /> <br />t 0.3431 I <br /> <br />d/L = <br /> <br />L= <br /> <br />58.3 <br /> <br />I <br /> <br />Page 3 of 4 <br /> <br />. <br /> <br />140.0 <br /> <br />feet <br /> <br />Filename: Freeboard Wave Runup.xls <br />11/29/2007 <br />