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Before Going UMS Before going UMS, the Duty Engineer must ensure that all day service tanks for fuel, cylinder oil and header tanks for cooling water, lubricating oil, etc are full. An inspection of all active and operational machinery and systems in all the machinery spaces, particularly for fuel and lubricating oil leakage, is to…
The initiation of a crankcase explosion is a ‘hot spot’ or overheated part within or adjacent to the crank case of an operating engine. Due to the ‘hot spot’, the lube oil coming in contact with it gets evaporated. The evaporated oil circulates to the cooler parts of the crankcase and there it condenses forming…
Scavenge fires occur when oil and carbon particles from the engine cylinder accumulates in the scavenge space. For a fire to begin there must be combustible material, air to support combustion and source of heat at a temperature high enough to start combustion. A) In case of scavenge fires, combustible material is oil. This oil…
ECONOMICAL SPEED – SLOW STEAMING / SUPER SLOW STEAMING a) Full Speed The ship’s speed achievable at the Normal Continuous Rating (NCR) of the main engine which is normally 85% of Maximum Continuous Rating (MCR), 90% of thermal load with the exception of some vessels where the engine maker has determined NCR as 90% MCR….
This procedure applies to all vessels equipped with Exhaust Gas Cleaning System. Exhaust from the below equipment is connected to the EGCS: · Main Engine · Auxiliary Engines · Boiler* (as applicable) RESPONSIBILITIES Master is responsible for: · Requesting local regulation from agents for any restrictions for uses of EGCS and discharging its wash water/effluent…
The future of shipping industry rests with cleaner and more efficient fuels. Use of cleaner sourcelike LNG/ LPG as an engine fuel is fast growing globally. Main engines designed for dual-fuelengine are going to be more dominant in future as more stringent air pollution and Emissionsregulation are schedule to come into force. Engines can use…
Under the Greenhouse Gas Strategy towards 2050, IMO has set new goals in MEPC 80 to reducecarbon intensity by Different measures were considered and widely discussed, and IMO has decided to introduce acombination of technical and operational measures. During MEPC 76 in June 2021, IMO adopted amendments to MARPOL Annex VI, introducing anEnergy Efficiency Design…
Read More “ENERGY EFFICIENCY DESIGN INDEX FOR EXISTING SHIPS (EEXI)” »
Piping system The bilge system is used to remove small quantities of fluid that have leaked or condensed into a dry space. The system serves the machinery spaces, cargo holds, cofferdams, voids, stores, tunnels and pump rooms. Each space has its own piping but the pump is likely to be shared. Features of bilge system…
Control of discharge of oil from machinery spaces Any discharge into the sea of oil or oily mixtures from ships of 400 gross tonnage and above shall be prohibited except when all the following conditions are satisfied: Outside special areas Inside special areas In respect of the Antarctic area, any discharge into the sea of…
Read More “Oily-water separators and oil filtering equipment” »
Oil Fired Auxiliary Boilers The oil fired auxiliary boilers are not fitted with sootblowers. Soot removal from the heat transfer surfaces of the tubes is carried out by means of a water jet when the boiler is not in operation. The need for soot removal may be determined by the following procedures: • Visual inspection…