Chapter 18.45 IMPROVEMENTS This chapter is included in your selections. Sections: 18.45.010 Required. 18.45.020 Procedure for developer project. 18.45.030 Subdivisions not adjoining City. 18.45.040 Streets. 18.45.050 Intersections. 18.45.060 Water lines. 18.45.070 Sewers. 18.45.080 Sidewalks. 18.45.090 Permanent monuments. 18.45.100 Streetlights.