Detail General Guidelines For Placing Fire Detectors :
* Put at least one detector in each room, storage area, and hallway. You may need more than one detector per room for those that exceed the manufacturer' s spacing requirements. For example, if your detector is rated for 30 feet, install detectors so they are evenly spaced with no more then 30 feet between detectors. * Place the detector as close to the center of the ceiling as possible when only one detector is required in a room or space. * Put at least one detector in each closet, elevator and dumbwaiter shaft, stairwell, and other enclosed spaces. * Place a detector at the top of each flight of stairs. * Place the detectors in the path of the air flow toward the return air duct when air supply or return ducts are present in a room or space. * Place all smoke detectors at least three feet from ceiling fans.
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