Chapter 30.31E TOWNHOUSE (T) ZONE This chapter is included in your selections. Sections: 30.31E.010 Purpose. 30.31E.020 Applicability. 30.31E.030 Density. 30.31E.040 Uses, height and setback requirements. 30.31E.050 Lot area, width and coverage. 30.31E.060 Parking.