Any development in the floodway that proposes to increase the water surface elevation or change the delineation of the floodway requires a Conditional Letter of Map Revision and a Letter of Map Revision as described in <cite data-path="|7|§3-21">§ 3-21 {“Letter of map change”} of this subtitle</cite>. City Code, 1976/83, art. 7, §5(b)(3)(2nd par.) 2000, art. 7, §3-26 Ord. 88-188 Ord. 92-134 Ord. 11-516 Ord. 14-208 Ord. 21-020