Editor's note— Ord. No. 1370, § 24, adopted March 20, 2012, repealed Ch. 18.56, which pertained to RD Residential Double District and derived from Prior Code, §§ 12310—12313; Ord. No. 551, § 13 (part), adopted 1977; Ord. No. 816, §§ 12, 13, adopted 1986; Ord. No. 1097, §§ 38, 39, adopted 1996 and Ord. No. 1323, § 15, adopted June 23, 2009.