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According to ARMCO, 16 gage with 1 foot cover is OK for loading type <br />H-20 (heaviest highway load factor) in 36-inch size. <br />To ensure 1 foot cover, drop invert at inlet 1 foot to elev. 6445.8 by <br />a 6-inch drop at weir and increase in slope (Map JFSA-2). <br />Transition Dimensions <br />6 ft <br />4 ft <br />I-1 <br />C~ <br />3.0o ft <br />- Total Energy, Elev. 6449.24 <br />vz/2g <br />Q <br />do ~ _ -~ <br />Elev 47.8 flow <br />Weir Crest <br />36-inch RCP <br />, ,. - Elev 46.8 <br />0 1 2 g 4 <br />.- <br />$ p ~ 24 ; <br />