North Carolina General Statutes Chapter 143. State Departments, Institutions, and Commissions § 143-143.3. Temporary toilet facilities at construction sites

(a) Suitable toilet facilities shall be provided and maintained in a sanitary condition during construction. An adequate number of facilities must be provided for the number of employees at the construction site. There shall be at least one facility for every two contiguous construction sites. Such facilities may be portable, enclosed, chemically treated, tank-tight units. Portable toilets shall be enclosed, screened, and weatherproofed with internal latches. Temporary toilet facilities need not be provided on-site for crews on a job site for no more than one working day and having transportation readily available to nearby toilet facilities.

(b) It shall be the duty of the Building Code Council to establish standards to carry out the provisions of subsection (a) of this section not inconsistent with the requirements for toilet facilities at construction sites established pursuant to federal occupational safety and health rules.