Chapter 20.920 INFILL DEVELOPMENT STANDARDS This chapter is included in your selections. Sections: 20.920.010 Purpose. 20.920.020 Applicability. 20.920.030 Relationship to Other Development Standards. 20.920.040 Procedures. 20.920.050 Tier 1 Infill Standards. 20.920.060 Tier 2 Infill Standards.