Upon installation of speed lumps, the asphalt concrete speed lumps will have a width of twelve (12) feet, a minimum height of three and one-quarter inches and a maximum height of three and three-quarter inches (3 1/4" to 3 3/4"), and a vertical curvature of seventy-two (72) feet. The center lump (or lumps if the design requires one lump in each travel lane) will be five and one-half (5 1/2') feet across. There will be a gap between lumps of one-foot (1') to accommodate the wheelbase of fire trucks and buses. The outside speed lumps will extend from the center lump to the lip of the gutter. There will be a two-foot (2') horizontal taper originating at the crest of the speed lump and converging at the lip of the curb. Asphalt concrete shall be mixed and placed in accordance with of the City of Independence Specifications.
(Ord. 2004-O-07, passed 4-5-04)