(a) Your operation must have an operable smoke-detection system that is audible throughout the building. This may be:(1) An electronic fire alarm and smoke-detection system; or(2) Individual electric or battery-operated smoke detectors located according to the state or local fire inspector's recommendations. If no fire inspector is available or able to give recommendations, smoke detectors must be located in the following areas:(A) In hallways or open areas outside sleeping rooms; and(B) On each level of a building with multiple levels.(b) Depending on the size and layout of the operation, additional smoke detectors may be required based on manufacturer's or fire inspector's instructions.(c) New operations granted a permit by us on or after January 1, 2007, must have smoke detectors that get their power from building wiring from a commercial source. Wiring must be permanent. Smoke detectors must:(1) Be equipped with a battery back-up; and(2) Emit a signal when the batteries are low.