249. Every aboveground tank for storing motor fuel must be surrounded by a dike or have a diked area or double wall and a fence if the tank is used for commercial purposes.
In addition, the dike, diked area, double wall and fence must meet the requirements of paragraph 1 of section 8.61, paragraphs 1, 2 and 4 of section 8.62 and paragraphs 1 and 2 of section 8.217 of Chapter VIII of the Construction Code (chapter B-1.1, r. 2) and the requirements of sections 190, 191 and the first paragraph of section 192 of this Chapter.