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Dangerous Goods – Definitions

Auto-ignition temperature – is the lowest temperature at which a substance will start to burn without the aid of an external flame. Spontaneous combustion begins, provided that conditions are right, when auto-ignition temperature is attained.   Carrier – means any person’s organization, or government, undertaking the transport of dangerous goods by any means of transport. […]

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Volumetric Heeling Moments

Measures to reduce VHM   By use of longitudinal divisions – these are required to be grain tight and of an approved scantling. By means of a saucer and bundling bulk – a saucer shape is constructed of bulk bundles in the hatch square of a filled compartment. The depth of the saucer being established […]

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DEFINITIONS

Bulk density – is the weight of solids, air and water per unit volume. It includes the moisture of the cargo and the voids whether filled with air or water.   Cargoes which may liquefy – means cargoes which are subject to moisture migration and subsequent liquefaction if shipped with a moisture content in excess […]

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MODU CODE – 2009

2.3 Design loads 2.3.1 The modes of operation for each unit are to be investigated using realistic loading conditions including gravity loading with relevant environmental loading for its intended areas of operation. The following environmental considerations should be included where applicable: wind, wave, current, ice, seabed conditions, temperature, fouling and earthquake. 2.3.2 Where possible, the […]

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MODU CODE – 1979

3.1 Inclining test   3.1.1 An inclining test should be required for the first unit of a design, when as near to completion as possible, to determine accurately the light ship weight and position of centre of gravity. The test should be carried out in the presence of an officer of the Administration or a […]

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MODU CODE – 1979

1.1 PURPOSE The purpose of the Code for the Construction and Equipment of Mobile Offshore Drilling Units, hereinafter referred to as the Code, is to recommend design criteria, construction standards and other safety measures for mobile offshore drilling units so as to minimize the risk to such units, to the personnel on board and to […]

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FLAMMABILITY

A mixture of hydrocarbon gas and air cannot be ignited and burn unless its composition lies within a range of gas in air concentrations known as the Flammable Range. The lower limit of this range, known as the Lower Flammable Limit (LFL), is that hydrocarbon concentration below which there is insufficient hydrocarbon gas to support […]

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Safe Handling of CTU

General 1.1 CTUs are designed for intermodal transport. They are capable to be transferred from one mode of transport to another by rolling or lifting. A swap body can be carried on a road vehicle or on a railway wagon. A freight container can be carried on a road vehicle, on a railway wagon, on […]

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CTU Properties

6.1.1 When planning a consignment for transport the shipper should ensure that the CTU best suited for the cargo and the probable route is selected. If the shipper is uncertain about which CTU to select, further information can be obtained by contacting the CTU operator. 6.1.2 Packers should acquaint themselves with the characteristics of the […]

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CTU Code

Absolute humidity of air Actual amount of water vapour in the air, measured in g/m3 or g/kg. Boundary Refers to the edges or walls of the CTU, and surrounds the cargo deck. Cargo deck The area within the CTU boundaries onto which packages may be placed and secured. Cargo transport unit (CTU) A freight container, […]

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