The occupational safety and health management program shall encompass all aspects of the total work environment throughout the District government, and shall include, but not be limited to:
(1) Employee safety and health, inclusive of physical welfare at the work site and environmental control of occupational diseases;
(2) Fire safety;
(3) Motor vehicle safety;
(4) Safety of nonemployee users of city facilities and services;
(5) Contractor safety; and
(6) Protection of District government property.