Saturday, March 24, 2018, At sea to Singapore
On our way to Singapore Diane and I had a chance to visit the control room for the propulsion systems. The second engineer (environmental) and third engineer (propulsion) with second engineer's wife, who was visiting on board for two weeks. The second engineer's primary duties are water production, waste management, and fuel loading. Water production involves use of Reverse Osmosis system to make fresh water from sea water. The water is cleaner and purer than most US municipal systems. The amount of fresh water needed for over fifteen hundred people is significant. Waste management includes sanitizing grey and black water waste (clean it up) before dumping it into the ocean. When we passes over the Great Barrier Reef we were asked to be judicious with water because they were not permitted to dispose of waste water for the days we sailed over. Non-water waist disposing includes plastic, paper, used oils, and sludge collection and off-loading at various por