This training exercise focuses on the critical emergency shutdown (ESD) systems available on board an LNG carrier. It is designed to help users understand how to correctly configure and test the emergency shutdown systems. The exercise involves several key procedures:
- ESD System Testing:
- The exercise begins by demonstrating how to test the optical ESD system by configuring the system settings properly.
- The user prepares the system by selecting different switches and opening various valves.
- After setting the configuration, the user is guided to press the ESD button. This action triggers the emergency shutdown, automatically closing the valves and putting the machinery into a trip condition.
- The user is also taught how to correctly reset the ESD system.
- Overfill Alarm Test:
- The second part of the exercise focuses on testing the overfill alarm.
- The user opens various tank valves, typically used during loading and spray operations.
- By pressing the “TOPS Test” button, the system triggers the closing of the valves, preventing the tank from being filled beyond the prescribed limits, thus ensuring safety.
- Pneumatic System Configuration:
- The third test involves setting up and configuring the pneumatic system.
- The user learns how the ship’s air is used to trigger the emergency shutdown system, ensuring it functions correctly under various operational conditions.
This exercise not only enhances the user’s understanding of the ESD system’s functionality but also ensures familiarity with the operational procedures needed to maintain safety aboard an LNG carrier.
