Any flatwork constructed from a non-porous, dustless surface (concrete, asphalt, etc.) that has a total area at or greater than two hundred fifty (250) square feet shall require a building permit in order for the city to confirm that such flatwork shall not adversely affect neighboring properties nor overwhelm the city’s stormwater drainage in the area. Foundations for any structure, sidewalks and the replacement (except for expansion or relocation) of existing flatwork constructed from a non-porous, dustless surface shall be exempt from this section. (Ord. 1246, 10-3-2022)