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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I' <br />I <br />I <br /> <br />HYDRO -TRIAD, LTD. <br /> <br /> Slope Breok Line <br /> 5 <br />NOTE' 5 minute yalue is <br /> 42% of 30 minute <br /> value. <br /> 4 <br /> - - ~ ~L <br /> - <br /> ~ :s s . ~ <br /> -- <br /> - <br />- ~ ~ - <br /> - <br />I ]0 " 20 25 40 50 80 100 120 '5a 180 240 300 <br /> <br />(fJ <br />ILl <br />;I: <br />(.) <br />Z <br /> <br />Z <br /> <br />;I: <br />l- <br />e. <br />ILl <br />CI <br />..J <br />..J <br />it <br />z <br /><t <br />a:: <br />..J <br /><t <br />I- <br />~ <br /> <br />o <br />(Min,) 5 <br /> <br />3 <br /> <br />2 <br /> <br />(fJ <br />~ <br />U <br />Z <br />Z <br />;I: <br />l- <br />e. <br />ILl <br />o <br />..J <br />..J <br />~ <br />Z <br /><t <br />a:: <br />..J <br /><t <br />I- <br />o <br />I- <br /> <br />o <br />(Vears) I <br /> <br />FIGURE m-2 <br /> <br />Slope Break: Lin. <br /> <br />4 <br /> <br />5 <br /> -- <br /> - <br />-- ~ <br /> ~ -- <br />- <br /> - <br /> -- <br />3 4 5 6 7 8 . 15 20 25 30 35 40 45 50 6 6 <br /> <br />2 <br /> <br />5 <br /> <br />4 <br /> <br />3 <br /> <br />3 <br /> <br />2 <br /> <br />2 <br /> <br />o 70 <br /> <br />o <br />100 <br /> <br />o 90 <br /> <br />10 <br />RETU RN PERIOD IN YEARS <br /> <br />Slope Break Line <br /> <br />5 <br /> <br />4 <br /> <br />3 <br /> <br />2 <br /> <br />o <br /> <br />30 <br /> <br />60 <br />I <br /> <br />360 <br />6 <br /> <br />14 <br /> <br />16 18 20 22 24 (Hours) <br /> <br />8 <br /> <br />10 <br /> <br />12 <br /> <br />2 <br /> <br />3 <br /> <br />4 <br /> <br />5 <br /> <br />DURATION IN MINUTES AND H.OURS <br /> <br />Section _ T.~,R..2!L.W <br /> <br />RAINFALL <br />DEPTH-DURATION-FREQUENCY <br />GRANGE HALL CREEK STUDY <br /> <br />GRAPH <br />AREA <br />