In order to retain the ACC, ACCU or ABCU symbol, at each Annual Survey, the automatic and remote-control systems are to be generally examined so far as can be seen and placed in satisfactory condition. The survey is also to include: The examination is to be made with a ship's service generator in operation and the control system energized to permit random checking of the following function indicators, alarms, shutdowns and such control actuators as may be operational to the satisfaction of the attending Surveyor: Lamp test of alarm indicators; Power supply arrangements and automatic controls; Automatic controls for the propulsion system; Automatic controls for the main/auxiliary boiler system;Automatic controls for thermal fluid heaters; Automatic changeover of selected pumps; Automatic starting of and controls for the emergency generator; Bridge and engineer's accommodation function and alarm indicators; Fuel oil system arrangements and alarms; Machinery space bilge level alarms
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