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<br />W Length of weir crest for slope tapered inlet with mitered face, ft <br />Wp Length of weir crest of fall, excluding sides of depression, ft <br />WW Wingwall of culvert entrance <br />x Minimum clear spacing between bars, ft <br />X1,X"Xa Lengths of overflow sections along embankment, ft <br />y Depth of flow, ft <br />y' Change in hydraulic grade line through a junction, ft <br />Y Additive term in submerged inlet control equation <br />Yb Hydraulic depth = AplTp <br />Z The difference in elevation between the crest and face section of a slope- <br />tapered inlet with a mitered face, ft <br />Angle of bar grate with respect to the horizontal, degrees <br />Flare angles of side walls of tapered inlet with respect to extension of <br />cui vert side wall, degrees <br />Angle of departure of the top slab from a plane parallel to the bottom slab, <br />degrees <br />Flare angle of wingwalls with respect to extension of culvert side wall, <br />degrees <br />Angle between outfall and lateral at a junction, degrees <br /> <br />. <br /> <br />. <br /> <br />~ <br />~ <br />~ <br />t <br />. <br />. <br />t <br />~ <br />r <br />f <br />t <br />. <br />f <br />~ <br /> <br />~ <br /> <br /> <br />I <br />~ <br />~ <br />r <br />t <br />I <br />r <br /> <br />. <br /> <br />t <br />~ <br />~ <br /> <br />ag <br />a. <br /> <br />at <br /> <br />8w <br /> <br />a, <br />J <br /> <br />. <br />~ <br /> <br />I <br /> <br />~ <br /> <br />I <br /> <br />~ <br /> <br />~ <br />~ <br /> <br />GLOSSARY (Cont.) <br /> <br />xix <br />