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UNITIZATION
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UNITISATION Unit load – quantity of material either in full or individual items, assembled and if necessary restrained to permit handling as a single object e.g cartons, pallet Traditional methods of moving goods – involved much handling, packing, loading, unloading, transhipping, repacking, reloading etc ISO container – basic tool for movement of merchandise by sea
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Reasons for Unitisation
Reduce transit time More predictable transit times Improved productivity of transhipment staff e.g. dockers Improved productivity of ship Reduce storage in warehouse Easy storage and handling Reduce damage and pilferage Allow safer working practice to be used Enable to use mechanical handling
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Application of Unitisation
Its application not always standard Professional house removal e.g packing boxes, small standard containers Delivering 20-tonne payload service to supermarket Use of ISO containers and their complimentary equipment i.e pallets and fork lift trucks
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Types of Unitisation 7 main types of unitisation - ISO Container
- Pallet - Demountable - RO/RO Trailer - Roll Cage - Rigid Cage - Skips
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Types of Unitisation ISO Container - It revolutionised port operations
& ocean-going shipping since 1960 - Basic concept is strong box: 8ft & 20ft or 40ft long - Height not been standardized, majority are 8ft or 8.5ft high - Difference in height cause a major problem in container operation - Complete movement system: Cellular ship, ports & cranes, infrastructure to ensure delivery to final destination
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Types of Unitisation ISO Container
- Goods (stuffed) may be palletized or load manually by hand - It depends on space penalty and labour cost - Almost totally secure from damage & pilferage, accepted by customs worldwide & easy multimodal transportation - Air movement by ISO containers is rare Non- ISO Container Some freight movement take place in dedicated non-ISO containers built for a specific traffic. Light-weight shells (igloos) are commonly built to the profile of an aircraft & loaded by scissors jack platforms. Only few aircraft have sufficient cross section to carry an ISO container such as 747F and AN-124
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High Cube Container General Purpose (GP) Container
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Types of Unitisation Pallet - One of the most basic items of any
material handling system - Main function is to maintain a gap between the floor and the load to be handled - Revolutionised & streamlined the movement of goods - Allows goods to be loaded in units instead of individual
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Types of Unitisation Pallet - Machine compatible for movement,
storage, loading and unloading by mechanical means - Enables goods to be stored in racking within warehouse ensuring good use of space - Most pallets are wooden, unsuitable for certain types of goods - Hard plastics pallets are available but at an extra cost
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Types of Unitisation Demountable - This system is often used for
products which are bulky, difficult to unload quickly & need to be protected from rain e.g. mattresses - Have a demountable body on a rigid lorry - The body fitted with landing legs for loading or discharge in a yard - It is detachable from the vehicle which carries it by a simple jack arrangement, the lorry chassis to be driven away to pick up another load
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Types of Unitisation RO/RO Trailer
- Semi trailers used as part of an articulated lorry combination which “rolls on” to a ship or a train and “rolls off” at the other end of sea or rail leg, continue its movement by road - Piggyback rail routes, movements through long rail tunnels, RO/RO trailers are alternative form of unit load to container - “Accompanied RO/RO”: tractor unit & driver go with semi trailer (short distance) - “Unaccompanied RO/RO” movements are used for long hauls by sea or rail e.g. New York to Chicago Rail RO/RO movements are known as “piggyback” in the USA. “Kangerou” in France.
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Types of Unitisation Roll Cage - Most extensively used by the retail
distribution industry - It comes in all shapes and sizes and is generally collapsible - Usually compatible for movement by machine - It takes up minimal space when nested awaiting collection - Very expensive & high maintenance - It requires good surface for loading & unloading - Susceptible to theft and even sold as scrap metal
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Example for Roll Cage
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Types of Unitisation Rigid Cage (Rigid Steel Cage)
- Used by many manufacturing companies which require a robust system of unitisation for moving stock and materials - Usually same dimension across the base as pallet - Can be stacked in vehicles, racking, on the floor (warehouse) - Durable, machine compatible, easy to restrain
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Rigid Cage
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Types of Unitisation Skips - A simple form of containerisation
- Slow and spasmodic loading - Full load can easily lifted by tipper lorry for depositing at a suitable site - Normally for commercial waste, contractors’ spoil, domestic refuse from blocks of flats Advantage of skips – less investment in a mechanized system in term of handling
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Example of Skips
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FACTORS INFLUENCING THE CHOICE OF ROUTE OR MODE OF TRANSPORT
The Nature of Goods The Time Factor Route Availability & Frequency Contractual & Other Limitations Strikes, Wars and Climate Factors Limitations of the Modes of Transport Limitations of the Terminals, including the efficiency of agents
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The Nature of Goods Can affects choice of transport
Some goods are: too broad; too high; too long; too heavy to send by road Weight is very important I travel by air Size of railway tunnel decides the carriage by container i.e. 8 ft(w) X 8.5 ft (h) Goods nature: heavy lifts, value, pilferability, fragility, perishability, livestock, hazardous cargo
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The Nature of Goods-Heavy Lifts
- Some problems of indivisible heavy loads: weight; dimension (length, width, height) - These problems require specialist heavy lift haulier to handle - Special heavy lift is required to handle indivisible heavy load e.g double steering vehicle - Major ports have either fixed or floating heavy lift facilities - Vessels carrying heavy lift has own facilities (gear) to handle such cargoes e.g. ‘jumbo’ derricks Haulier to consider problems at both ports (ports of loading and ports of discharge/destination)
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The Nature of Goods-Heavy Lifts
Pick up and put ashore is another problem as quays have a maximum load capacity Nowadays, RO/RO method is used to handle heavy lifts Pre-booked at true weight is absolutely important to justify cranes and derricks capacity (SWL-Safe Working Load) Most liner tariffs & port charges take into account a heavy lift surcharge Heavy lift on railway locomotive is securely lashed Dimensions not a major problem for carriage by sea or rail transport For road transport, demensions are fairly crucial
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The Nature of Goods-Value
The more valuable, the higher freight charges The speedier the transit, the greater the saving i.e. less interest on capital & lower insurance premium Security is important for high value cargoes Exporter must select a transport system with the smallest number of intermediate handling In certain cases, specialist security service may be used i.e. police ascort
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The Nature of Goods-Pilferability
Goods need not be very valuable to be pilfered If goods are desirable and readily accessible, it is sufficiently tempting e.g. packed chocolate Once opened, it may suffer further pilferage due to constant attraction Containerization has certainly helped reduce such losses
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The Nature of Goods-Fragility
Fragile consignments require special packing & handling e.g. glass Some electronic equipments which is highly sensitive to engine vibrations, turbine vessel is recommended rather than a motor ship
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The Nature of Goods-Perishability
Refrigerated & cool chamber facilities are required to handle perishable goods Item such as newspaper & fashion wear are best sent by air freight Road haulage operators carrying perishable foodstuff under refrigeration to and/or through most European states must comply with the European ATP agreement ATP regulations specify the minimum ‘lay down’ temperature (must maintain) and transit time must not exceed 48 hrs
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The Nature of Goods-Perishability
All frozen meat product require official Veterinary Certificates All imported food are subject to inspection by Health & Food Inspectors employed by the local authority
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The Nature of Goods-Livestock
Most large airports have their own livestock reception areas including Veterinary Services In ship, livestock is usually carried as deck cargo Veterinary certificates to show animal has a clean bill of health have to be provided Vaccination Certificates may be necessary Exporter must ensure compliance of animal importations regulations
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The Nature of Goods-Hazardous Cargo
Board of Trade regulates carriage of dangerous goods (DG) by sea in “Blue Book” International Maritime Organization (IMO) come out more recent four-volume International Maritime Dangerous Goods Code (IMDG), the regulations for carriage of DG by road ADR is international agreement on the carriage of DG by road (1968); on road traffic in road tankers & tank containers (revised 1992); classification, packaging, labelling of dangerous substances in packages regulations (1984)
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The Nature of Goods-Hazardous Cargo
Information required for full compliance:- - Name of Vessel - Ports of loading & discharge - Number, kind & size of individual packages and total quantity (gross & net weight in kg) - Proper shipping name of substance (as defined in IMDG code) - Classification of substance (IMO) e.g. poison gas - UN number of substance
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The Nature of Goods-Hazardous Cargo
Information required for full compliance (c’ntd):- - Properties of substance - Marine pollutant (if applicable) - Packaging group - Flashpoint (if any)
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The Nature of Goods-Hazardous Cargo
Information submitted on DG Shipping Note incorporates DG packing certificate signed by packer & exporter Certificate states that - Container fit to received goods - No incompatible substances packed into the container - All packages were inspected & found to be sound - Container & packages are properly marked & labeled - Packages have been properly secured in the - DG declaration has been received and completed for each dangerous consignment packed in the Secure & safe stowage is vital with such containers and it is more important to guard against ‘fall out’ when the doors are opened. For carriage by road – there must be supplied appropriate TREMCARD.
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The Nature of Goods-Hazardous Cargo
If DG only part of the loads (in container), it normally stowed close to doors area To mark & label all packages (tested) with IMDG code showing the contents, the principal and secondary hazards Container needs to be marked on each side and both ends including the class number & the UN number Notify carrier at pre-booking for dirty substances
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The Nature of Goods-Hazardous Cargo
Hazardous Cargo Description - Corrosives - Poisons - Substances liable to spontaneous combustion - Substances liable to react on exposure to air or water - Substances with a low flashpoint - Compressed gases - Radioactive materials - Magnetic materials CORROSIVES – Substance that destroy slowly e.g. rust, acids POISONS – Substance causing death or harm if absorbed by a living thing SUBSTANCES LIABLE TO SPONTANEOUS COMBUSTION – process of burning SUBSTANCES LIABLE TO REACT ON EXPOSURE TO AIR OR WATER SUBSTANCES WITH A LOW FLASHPOINT – Temperature at which vapour from oil may be ignited COMPRESSED GASES – get into smaller space RADIOACTIVE MATERIALS – of such metal (e..g. radium & uranium) having atoms that break up, in so doing, send out rays in the form of electrically charged particles capable of penetrating opaque and of producing electrical effects MAGNETIC MATERIALS – Having the properties of a magnet; able to attract
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The Nature of Goods-Hazardous Cargo (HC)
The department of Trade & Industries ‘Blue Book’ & regulations cover carriage of HC by sea, detailing: - Inner & outer packaging - Amount per package - Marking - Stowage - Amount per stow - Type of vessel which can carry such cargoes
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The Nature of Goods-Hazardous Cargo (HC)
HC cargo must be pre-booked & to issue three-part stowage by Cargo Superintendent loading the vessel - 1st copy – send to the docks & advises when the cargo is to be delivered - 2nd copy – returned to the shipper and then forwarded to the docks with the cargo - 3rd copy – retained by the cargo superintendent
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The Nature of Goods-Hazardous Cargo (HC)
DG shipment requires a seven page DGN (Dangerous Goods Note) Shipper responsible to give all the relevant details: correct technical name; hazard & UN number Shipper also responsible to ensure all DGs are properly packed & labeled (marked with technical name & UN number) so that it receives safe handling & proper stowage during transit ADR is the European agreement concerning the international carriage of DGs by road ADR lays down standard for packing & labeling of DG and also special conditions covering the vehicle e.g. tankers – to be certified that it has been built & maintained to ADR standards
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The Time Factor Affects the choice of a mode of transport
Speedier transit means less warehousing at destination e.g. 2 weeks replacement of stock vs 4 re-order points Re-order points is a minimum stock level of which new orders must be placed If speed or transit increased, minimum stock level can be reduced, saving warehouse space & inventory costs such as depreciation & finance
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The Time Factor Possible gain arising from earlier use of goods e.g. machinery, deliver early (speedier transport), install & use early Emergency shipment to facilitate the repair of a ship awaiting of spare part is an obvious example of time factor (paramount important) New generation of container vessel can actually offer faster delivery than their latest competitor, the Trans-Siberian railway Combination of both sea & air services e..g. Flying Tiger Service – Far East to San Francisco (by sea), San Francisco to Eastern USA (by air)
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Route Availability & Frequency
Another factor which is changing as new services begin operations to more & more destinations Routes reflect traditional patterns of transport New concept & transport system can give impact on routes E.g. Development of container ship – fast turn around, short sea routes & trade-diverting activities to avoid costly patterns by using unimportant ports
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Route Availability & Frequency
Growing number of alternative routes/modes which are now available to most destinations Transport revolution in the past 3 decades emphasis on increasing capacities of various modes, unitisation & speedier turn-around at termini Growing application of computers (IT) to carrier & forwarding operators reinforce competition Increasing in ro/ro operations at smaller ports and short sea crossing contributed to route availability
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Route Availability & Frequency
Transhipment, unitisation, modern aircraft, air/sea combination services contribute to speedier turn-around at termini and resulted more voyages per year Comprehensive & up-to-date freight guide is appreciated ABC Freight Guide gives a comprehensive coverage of road, rail, sea and air services in all ports of the United Kingdom
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Contractual & Other Limitations
Agent must consider principal’s wishes as regards to route Non-conference vessel may break contractual obligations with a freight conference Some country have flag discrimination i.e. cargo had not been carried in a ship of the nationality of the importer not allowed to berth Compliance of the letter of credit (LOC) requirements Bank refused to accept an airway bill instead of bill of lading due to non-amendment of LOC (sea to air for urgent shipment)
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Strikes, Wars and Climate Factors
Major dock strikes could interrupt transit of goods Civil wars, political embargoes could influence the choice of route or mode of transport Ice, monsoons, fogs or hurricanes may delay or closure at certain ports
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Limitation of the Modes of Transport
Rail has a set of track or permanent way Air freight charges are high Sea transport can cause extensive delays due to adverse weather, fog or icing Road transport (for goods & passenger) compete for space and priority
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Limitation of the Terminal, including the efficiency of agents
Climate & tidal factors may influence both in the port approaches & along the berth Relationship of the port to natural trade routes both by land & sea i.e. nature of hinterland & the respective transport links such as railways, roads, canals, pipelines or rivers Containerization & development of multimodal operations, conference ports retain traffic.
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Limitation of the Terminal, including the efficiency of agents
Availability of freeport facilities are ideal for both entrepot & transhipment traffic Cheap bunkering is another factor which attract vessels to a port Cargo handling & storage facilities vary enormously even between major ports For example, America ports have 1st class specialist cranage facilities for ore discharge or container handling but they do not provide appropriate crane for general cargo handling
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Limitation of the Terminal, including the efficiency of agents
Storage facilities such as open storage, unpacked car yard are important Specialist storage such as tank farms, grain silos, refrigerated stores & bonded warehouse are also important features Availability of groupage facilities - First appeared on the transport when IATA air consolidators (i.e. freight forwarder) dispatched consignment with a common destination - Advantage: lower freight rate, save the airline paperwork
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The Nature of Goods, the Time Factor, Route Availability & Frequency, Contract, Facilities, Bunkering, Strikes, Wars, the efficiency of agents and seamless connectivity among others, influence the choice of Routes and Modes of Transport. Discuss.
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THANK YOU
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