| Cause |
Outcome |
| Consolidation |
Transferring the contents of smaller
containers into larger containers (e.g. three maritime 40 foot
containers into two 53 foot domestic containers). Cost savings
(number of lifts). Time delays. |
| Weight compliance |
Transferring the contents of heavy
containers into loads meeting national or regional road weight
limits. |
| Palletizing |
Placing loose (floor loaded) containerized
cargo unto pallets. Adapting to local load units (e.g. europallet). |
| Demurrage |
Handing back containers to owner
(maritime shipping or leasing company) by transferring its contents
into another load unit (e.g. domestic container). |
| Equipment availability |
Making maritime containers available
for exports and domestic containers available for imports. Trade
facilitation. |
| Supply chain management |
Terminal and transloading facility
as a buffer. Delay decision to route freight to better fulfill
regional demands. Perform some added value activities (packaging,
labeling, final assembly, etc.) |
Container Transloading
Transloading is an operation transferring cargo from one load unit
to another, which is common in containerized transportation. There are
several causes that may favor container transloading, which tends to
take place in the vicinity of port terminals or inland (satellite) terminals:
- Consolidation. In many cases where this is a significant
market for domestic containers and the domestic load unit is significantly
larger than the maritime load unit, a consolidation of the shipments
is often performed. For instance, in North America the largest domestic
load unit is 53 foot, which represents the maximal legal size of
a truck load on the highway. Thus, in distribution centers in the
vicinity of several major port terminals the contents of three maritime
containers are transferred into two domestic containers. This enables
cost savings as shipment costs, including terminal costs, are established
in terms of loads. A domestic rail terminals charges by the number
of lifts, which means the costs are the same to handle a 40 foot
or a 53 foot container. Under these circumstances, the transloading
costs are compensated by savings on inland transport costs. Yet,
transloading involves some risks such as damage and theft or additional
delays to perform (about one day), which may not be suitable for
several goods.
- Weight compliance. Simply involves shifting the contents
of heavy containers into lighter loads such as domestic containers
or twenty footers. This is particularly the case for the containerized
movement of commodities. However, transloading heavy maritime containers
into domestic containers is not a common practice.
- Palletizing. Very common for shipments of consumption
goods. To gain shipment space in imbalanced container flows many
containers are "floor loaded" and once arriving near consumption
markets, the shipments are broken down and assembled into manageable
pallets. This also gives the opportunity to adapt to local load
units that involve different sizes, such as the difference between
North American and European pallets. Doing such a task at the point
of origin would be logistically complex.
- Demurrage. Containers are commonly rented for a specific
time period and/or the leasing contract specifies that the maritime
container cannot leave the vicinity of the port (or cannot spend
more than a specific amount of time inland). Transloading is thus
performed to insure that the leased container is handed back to
the maritime shipping or the leasing company without additional
charge. This tends to reduce the repositioning of empty containers
over long distances and promotes a higher level of asset utilization.
- Equipment availability. This often takes place in conjunction
with demurrage. Transloading enables a more efficient use of both
container assets (international and domestic) and can facilitate
international trade by freeing transport capacity. For instance,
moving maritime containers over long distances in the North American
transport system can be considered a suboptimal usage of transport
equipment. Conversely, the global maritime shipping industry is
mainly designed to handle 40 foot containers and cannot accommodate
domestic containers. However, a large amount of transloading for
inbound shipments may reduce the availability of maritime containers
available for export at inland locations. This is a salient problem
for the export of containerized commodities.
- Supply chain management. A transloading facility can
act as a buffer within a supply chain, enabling shippers some room
to synchronize the delivery of goods with the real time needs of
their customers. This is particularly the case for long distance
trade where a shipment can be in transit for several weeks while
the demand conditions at the destination may have changed. Transloading
thus offers an opportunity to delay the decision about routing freight
to the final destination by using the facility as an opportunity
to do last minute adjustments in terms of which shipments should
go to which markets. More directly, transloading represents an opportunity
to perform some added value activities (packaging, labeling, final
assembly, etc.) before shipments arrive at final markets.
In many cases transloading requires specialized equipment and a facility
where it can be performed.