The department and its authorized agents at any time may inspect any facility licensed, certified, or approved under the provisions of this chapter or with respect to which a license, certification, or approval application has been made, except for approved family foster homes for children. The department and its authorized agents shall have full and free access to every part of the facility. The department may require, on a case-by-case basis, prior to or after licensure, certification, or approval, that a facility undergo a fire inspection, inspection of the heating system or the electrical system, or any other type of inspection that the department deems necessary to carry out the purposes of this chapter. All records of the facility must be open for the inspection of the department or its authorized agents and they may see and     interview all children and adults cared for therein. Upon the request of the department, the department or its authorized agent shall inspect any facility for which a license, certification, or approval is applied or issued, with the exception of approved family foster homes for children, and shall report the results of the inspection to the department.