Where must drain lines terminate according to safety protocols?

Drain lines must terminate into a portable container as per safety protocols. This requirement is set to ensure that any potentially hazardous liquids, such as those that may be contained within the drain lines, are managed safely and do not pose a risk to personnel, equipment, or the environment. Using a portable container allows for controlled handling and transport of fluids, minimizing the chances of spills or leaks that could occur if the liquid were to be discharged improperly.

The use of portable containers also provides flexibility in operation, allowing crews to easily move the waste to designated disposal points or facilities designed to handle such materials safely. This practice is essential for maintaining shipboard safety and environmental compliance, ensuring that operations aboard the vessel do not inadvertently lead to contamination or other safety incidents.

In contrast, other termination options like discharging directly into the ship's hull, the ocean, or at an external pump would either present significant risks to the ship's structural integrity, create environmental hazards, or complicate fluid management processes on board. Therefore, the protocol of terminating drain lines into a portable container is a critical safety measure designed to protect both the ship and its crew.