Search results
Results from the WOW.Com Content Network
There are a total of six annexes that compose Marpol. Annex IV deals with the pollution of sewage by ships. In Annex IV, there are a total of 11 regulations regarding the laws and regulations surrounding sewage discharge and treatment plants on board. It wasn't until the United States implemented Act to Prevent Pollution from Ships. [5]
The main concern was to save water, protect fish, and have clean water for agricultural usage. The WPA also helped to start the process of building water treatment plants. This is to guard against sewage from polluting drinking water. In 1972 the WPA was amended to include more requirements in order to insure that the water is chemically sound.
Section 312 has another means of addressing sewage discharges, through establishment of no-discharge zones (NDZs) for vessel sewage. A state may completely prohibit the discharge of both treated and untreated sewage from all vessels with installed toilets into some or all waters over which it has jurisdiction (up to 3 miles (4.8 km) from land).
Cruise ships, large tankers, and bulk cargo carriers use a tremendous amount of ballast water, which is often taken on in the coastal waters in one region after ships discharge wastewater or unload cargo, and discharged at the next port of call, wherever more cargo is loaded.
Total power generated is 71,400 kW at 514 rpm. Incinerators are used for burning waste. The ashes are stored onboard and removed when in port. The waste heat from the incineration is reclaimed. Solid waste is not discharged into the sea. An advanced wastewater treatment plant treats all solid waste.
The vessels feature improved habitability with fully air-conditioned modular accommodation, on board reverse osmosis plant for desalination, and a sewage treatment plant. [5] [7] The vessels are each powered by three HamiltonJet HM811 water jets, coupled with MTU 16V 4000 M90 engines, delivering a combined 8,160 kW (10,940 hp) of power.
Chief engineer:Chief engineer is the highest rank one can achieve as an engine officer.The chief engineer is one of the most senior rank onboard the vessel who shares rank equivalent to the captain of the ship. Second engineer: In charge of the day-to-day running of the engine department. Often in charge of main engine maintenance.
On 10 June 2016, while undergoing a scheduled major refit of INS Vikramaditya, [131] two people were killed by a toxic gas leak that occurred during maintenance work in the Sewage Treatment Plant compartment of INS Vikramaditya at Karwar. Two other people were injured and taken to the naval hospital. [132] [133]