Amends 1961 code §§ 18.05.025, 18.05.040, 18.08.161, 18.14.161, 18.14.163, 18.14.165, 18.17.161, 18.17.165, 18.23.161, 18.29.161, 18.32.161, 18.35.121, and 18.56.021; amends and renumbers 1961 code §§ 18.08.087 to 18.08.163, 18.08.163 to 18.08.165, 18.08.162 and 18.08.131 to 18.08.167, 18.08.164 to 18.08.169, 18.11.161 and 18.11.162 to part of 18.11.161, 18.11.162A to 18.11.165, 18.11.163 to 18.11.167, 18.11.165 to 18.11.169, 18.11.166 to 18.11.171, 18.11.164 to 18.11.173, 18.14.162 and 18.14.166 to part of 18.14.161, 18.14.164 to 18.14.167, 18.17.162 to 18.17.167, 18.23.162 to part of 18.23.161, 18.32.162 to part of 18.32.161, and 18.35.122 to 18.35.121; adds 1961 code Chapter 18.57; and repeals 1961 code § 18.56.022, zoning