Excavation and Trenching Safety ProgramExcavation and Trenching Safety Program Purpose & Scope This Excavation and Trenching Safety Program provides safe work areas for employees, visitors, and others who are or may be exposed to hazards in or around trenches and other excavation areas. All trenching and excavation activities must be evaluated to eliminate or minimize the potential of cave ins, review environment contamination, and contact with underground utilities or other subsurface