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<br />. <br />~ <br />~ <br />f <br />~ <br />~ <br />I <br />l <br />~ <br />~ <br />, <br />r a <br />~ a' <br />~ A <br />. <br />~ Ab <br />, <br />~ Af <br />I Ap <br />t Al <br />Aw <br />~ b <br />~ b' <br />t <br />l B <br />~ Bb <br />f <br />f Bf <br />. <br />, <br />~ c <br />~ C <br />~ <br />. Cb <br />t Cd <br /> ~ Cf <br />t Cr <br /> ~ CI <br /> , <br /> . <br />, <br /> , CMP <br /> . d <br />t de <br />f <br /> > D <br /> ~ <br /> t De <br /> , <br /> ~ D50 <br />t E <br /> ~ <br /> ~ ELe <br /> ELf <br /> t ELhe <br /> ~ Elhd <br /> , ELhf <br /> <br />\ <br /> <br />GLOSSARY <br /> <br />Cross-sectional area of orifice, ft2 <br />Constant in rainfall intensity formula <br />Full cross-sectional area of culvert barrel or channel, ft2 <br />Area of bend section of slope-tapered inlet, ft2 <br />Area of inlet face section of tapered inlet, ft2 <br />Area of flow prism, ft2 <br />Area of tapered inlet throat section, ft2 <br />Watershed area, acres <br />Face dimension of side bevel, in <br />Constant in rainfall intensity formula <br />Span of culvert barrel, ft <br />Width of bend section of a slope-tapered inlet, ft <br />Width of face section of a tapered inlet, ft <br />Coefficient for submerged inlet control equation <br />Runoff coefficient for use in the Rational equation <br />Discharge coefficient for bend section control <br />Coefficient of discharge for flow over an embankment <br />Discharge coefficient for face section control <br />Free flow coefficient of discharge for flow over an embankment <br />Discharge coefficient for throat section control <br />Corrugated metal pipe <br />Face dimension of top bevel, in <br />Critical depth, ft <br />Interior height of culvert barrel, ft <br />Equivalent diameter, De = 4R, ft <br />Size of streambed material which exceeds 50% of the material by weight; i,e" <br />the median size, in or ft <br />Height of face of tapered inlet, excluding bevel, ft <br />Elevation of weir crest, ft <br />Invert elevation at face, ft <br />Headwater elevation required for flow to pass crest in crest control, ft <br />Design headwater elevation, ft <br />Headwater elevation required for flow to pass face section in face control, ft <br /> <br />xv <br />