![]() ![]() Bottom sediment are non-hydrocarbon solids present in a tank as a separate layer at the bottom. Suspended sediment are non-hydrocarbon solids present in the oil but not in solution. Quantity Remaining On Board (ROB) : All the measurable oil, water, sludge and sediment in the cargo tanks and associated lines & pumps on a ship after discharging a cargo has been completed, excluding vapour.On Board Quantity (OBQ) : All the oil, water, sludge and sediment in the cargo tanks and associated lines and pumps on a ship before loading commences.GLOSSARY OF TERMS AND UNITS OF MEASUREMENT Quantities It should be noted that most crude oils are traded in Barrels. However, confusion may arise in the latter case if the reference temperature is not stated (Bill of Lading and or Certificate of Quantity and or shore Quantity Calculations Certificate). It is customary to refer to volumes at the reference temperature as Standard Volumes e.g US barrels 60 oF or cubic meters 15 oC. In non-metric countries the barrel (Bbl).Ĭombining a statement of volume with a statement of the reference temperature yields the following measurement systems.In metric countries the cubic meter (m ).The situation is further confused in that there are primarily two volumetric units, which are: Generally, the reference temperatures are: Unfortunately, different countries have different standard (reference) temperatures. ANNEX III – Technical Details of Sound Signal AppliancesĪn oil volume can only be measured at its prevailing temperature and it, therefore, follows that the standard volume must usually be calculated.ANNEX II – Additional Signals for Fishing Vessels Fishing in Close Proximity.Annex 1 – Positioning and technical details of lights and shapes. ![]() Part F – Verification of compliance with the provisions of the Convention.Rule 35 – Sound signals in restricted visibility.Rule 34 – Manoeuvring and warning signals. ![]()
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