The department once a year shall make or cause to be made inspections limited to health, nutrition, cleanliness, sanitation, written medical records for children, discipline policy, family communication policy and required criminal checks of all child residential homes. Reasonable additional inspections may be made as often as may be deemed necessary by the department, but shall not be scheduled so as to disrupt the normal activities of the home. Department inspectors shall be persons knowledgeable with the state’s child abuse and neglect laws, child labor laws and compulsory education laws. The State Fire Marshal, or his designee, shall make or cause to be made annual inspections limited to the safety of all child residential homes. Any violation of state law on the premises of such child residential home shall immediately be reported by such inspection personnel to the appropriate law enforcement officer.