Section 851.24 - Functional areas(a) Contractors must have a structured approach to their worker safety and health program which at a minimum, include provisions for the following applicable functional areas in their worker safety and health program: construction safety; fire protection; firearms safety; explosives safety; pressure safety; electrical safety; industrial hygiene; occupational medicine; biological safety; and motor vehicle safety.(b) In implementing the structured approach required by paragraph (a) of this section, contractors must comply with the applicable standards and provisions in appendix A of this part, entitled "Worker Safety and Health Functional Areas."