Cross References — As to building codes and building regulations, ch. 500; as to building official, ch. 500, art. II; as to director of engineering, ch. 115, art. IX; as to flood control, ch. 415; as to parks, beautification and public properties, ch. 235; as to planning and zoning commission, ch. 400, art. I; as to streets and sidewalks, ch. 510; as to utilities, ch. 700; as to zoning, ch. 405.