Chapter 15.100 EXPEDITED, STREAMLINED PERMITTING PROCESS FOR SMALL RESIDENTIAL ROOFTOP SOLAR SYSTEMS This chapter is included in your selections. Sections: 15.100.010 Purpose. 15.100.020 Definitions. 15.100.030 Applicability. 15.100.040 Solar energy system requirements. 15.100.050 Duties of Building Department and Building Official. 15.100.060 Permit review and inspection requirements.