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• <br /> <br />• <br /> DESIGN VOLUME <br /> STORM DURATION 24 IHDURS) <br /> SLOPE FACTOR 1,3 <br /> ` <br />GRADE STEEP _ !_ <br /> WATERSHED WEIGHTED RCN 89 <br /> 24 HOUR RAINFALL 2.9 ( INCHES <br />) <br /> _ <br />_ _ _ __ <br />DETENTION TIME c4 (HOURS) _ _ __ __ _ _ _ _ _ <br /> ~## SEE ATTACHED RAINFALL SHEETS <br /> RAINFALL RUNOFF DEPTH _ 1.81 (INCHES) <br /> ____ <br />RUNOFF VOLUME 2.57925 (AC/FT) _ __ <br /> ADJUSTED RUNOFF VOLUME 2.57925 <br /> DESIGN VOLUME 3.96925 <br /> <br /> STAGE STORAGE COMPUTATIONS <br /> <br /> ELEV AREA AREA AVE AREA INTERVAL STORAGE ACC STORAGE <br /> FEET 5QR FT ACRE ACRE FEET ACRE FEET ACRE FEET <br /> <br /> 10G0 19200 .44077135 <br /> 14G5 29800 .6611$7025 .550964197 5 2.75482094 2.75482054 <br /> 1070 40000 .918273645 ,789715335 5 3,94857GGB G.703397G2 <br /> ------------------------------------------------- ------------- -------------- <br /> STORM FREQUENCY FDR PEAK DISCHARGE 25 <br /> _ <br />EQUIVALENT DISCHARGE G5,75 __ <br /> PEAK DISCHARGE 85.475 <br />S '__--- ------ ______ ______________ _______________ <br /> <br /> <br /> <br /> <br /> <br /> <br />