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Terminal duties in cargo loading - Bulk carrier guide
The terminal representative should advise the master on any change to the agreed loading rate and, at the completion of each pour, the terminal representative should advise the master of the weight loaded and that cargo loading continues in accordance with the agreed cargo plan.
The weight of the cargo being loaded should be harmonized with the ballast water being pumped out, so that both remain in step.
i) The rate of loading into the holds should be maintained at a steady flow. The ship should be informed of any changes.
ii) The load plan is normally designed to maintain the ship with a slight trim by the stern in order to strip out the ballast.
The ship should be kept upright with the cargo distributed so as to eliminate any twisting of the ship's structure.
The terminal should use weight-meters which are well maintained and provide an accuracy to within 1% of the rated quantity required over the normal range of loading rates. The terminal should frequently monitor the weight of cargo that is being loaded and inform the ship so that it can be compared with the cargo loading plan and the ship's calculation by draught marks.
The ship should also ensure that the ballast is discharged in accordance with loading/unloading plan.
A one per cent error on a 50,000-tonne cargo is 500 tonnes.
i) If the weigh scale is reading lower than the actual tonnage loaded, then the scale will be reading 49,500 tonnes when there is 50,000 tonnes on board. If no allowance is made for this then it may not be possible to complete the trimming of the ship as per cargo plan.
ii) The terminal should co-operate with the master in carrying out the 90% draught survey and determining any weight meter error. Due allowance should then be made when loading the remaining balance of cargo.
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Terminal duties in loading solid bulk cargo
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Training requirement for terminal personnel
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Required information from ship to terminal prior loading / unloading bulk cargo
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Operation of sea going bulk carriers involved numerous hazards . Careful planning and exercising due caution for all critical shipboard matters are important . This site is a quick reference to international shipping community with guidance and information on the loading and discharging of modern bulk carriers so as to remain within the limitations as specified by the classification society.
It is vital to reduce the likelihood of over-stressing the ship's structure and also complying with all essential safety measures for a safe passage at sea. Our detail pages contain various bulk carrier related topics that might be useful for people working on board and those who working ashore in the terminal. For any remarks please Contact us
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