A dimensional drawing of a proposed subdivision that accompanies an application for a preliminary subdivision and shows the proposed layout of dedications, lots, blocks, and other elements of a proposed subdivision. The preliminary plat shall be the basis for the approval or disapproval of the proposed layout of a subdivision. (Ord. 2576, 7/27/10; Ord. 2143, 12/9/03; Ord. 1063, 1982)