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Q. Mandatory requirement for monitoring water ingress in cargo holds – bulk carriers potential problem Bulk carriers potential hazardsIngress of sea water into cargo holds poses significant threat to bulk carriers while on sea passage and in harbour. Effective means of monitoring hold bilges for presence of water are traditional practice. However New regulations now…
A chronological record of all maintenance work carried out on hatch covers and coamings must be maintained. It could be required as evidence to defend cargo claims. All Hatch Covers are to be hose tested prior each loading (containerships excepted) and the cause of the leakage, if any to be ascertained and rectified. Special care…
Crane design Shipboard cranes are usually of electro-hydraulic design. A crane is normally required to perform three functions—namely, to hoist, to luff, and to slew. Hoisting is the raising of the crane wire whilst the crane jib remains in a constant position. Luffing is the raising or lowering of the crane jib, and slewing is…
COAL Properties and characteristics 1. Coals may emit methane, a flammable gas. A methane/air mixture containing between 5% and 16% methane constitutes an explosive atmosphere which can be ignited by sparks or naked flame, e.g., electrical or frictional sparks, a match or lighted cigarette. Methane is lighter than air and may, therefore, accumulate in the…
Sulphur – IMDG Code (IMO International Maritime Dangerous Goods Code) Class 4.1: Is a relatively cheap commodity, which is used in the manufacture of fertilizer. It is not only a byproduct of the petrochemical industry, but also found in its natural form. After processing, it is often shipped in prilled form. Substantial quantities of sulphur…
Millions of tonnes of substances (raw materials and products) are transported in bulk by sea across continents for the fertilizer industry. Some of the materials are classified as dangerous for transport. It describes various precautions to take to minimise safety and environmental risks. The fertilizer industry is a global and large tonnage industry, requiring shipments…
Types of Bulk Cargoes Bulk cargoes include Coals, Concentrates, Grains, Fertilizers, Animal foodstuffs, Minerals and Ores. These cargoes constitute a high proportion of seaborne trade. IMSBC code The International Maritime Solid Bulk Cargoes Code (2009) is the revision of Solid Bulk Cargoes code (1965). The IMSBC code is based on the mandatory provisions as contained…
Coal is a potentially hazardous cargo and serious incidents continue to arise. In some instances it would appear that those on board were not entirely familiar with the risks, and on other occasions the coal was not carried in accordance with regulatory requirements or best practice. One example involved a crew member who was using…
We are taking about Hatch Covers Every cargo ship, other than tankers is provided with large size hatchways on deck to facilitate loading and discharging of cargoes. This causes loss of strength at the deck level, which has to be adequately compensated. Furthermore, the hatchways have to be suitably covered, before the ship can proceed…
Why stowage plays a important role for cargo handling??? We will discuss the principles of stowage of some important general cargoes. Stowage of bags The dunnage must be first laid on the tank top. It should be laid fore and aft if there are drain wells at the after ends. The second tier of dunnage…
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