Chapter 18.40 INDUSTRIAL DISTRICT – I DISTRICT This chapter is included in your selections. Sections: 18.40.010 Intent. 18.40.020 Permitted and principal uses and structures. 18.40.030 Conditional uses. 18.40.040 Minimum lot size. 18.40.050 Minimum setback requirements. 18.40.060 Maximum height of structures. 18.40.070 Restrictions on marijuana facilities.