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DM#19. Lower Catch Ditch #2, "V" ditch, 5' tw, 1.2' d. Ditch <br />capacity is less than approved design, however SEDCAD <br />evaluation indicates that ditch would pass design flow with <br />required freeboard. <br />DM#20. Lower Catch Ditch #1, "V" ditch, 6' tw, 1' d. Ditch <br />capacity. exceeds approved design and SEDCAD evaluation <br />indicates that ditch would pass design flow with required <br />freeboard. <br />F <br />8 <br />