Chapter 12.16 EXCAVATIONS This chapter is included in your selections. Sections: 12.16.010 Permit--Required. 12.16.020 Bond-Required. 12.16.030 Commencement and completion. 12.16.040 Inspection. 12.16.050 Work guarantee. 12.16.060 Barricades and lights. 12.16.070 Violation--Penalty.