Container

Reefer containers are refrigerated containers for the transport of goods that are to be transported at a defined temperature. The refrigeration unit is now installed directly in the container instead of via the means of transport, so that a self-sufficient system is available.

The interior of the container is equipped with smooth aluminum walls. The floor is equipped with longitudinal aluminum grating, rails for air circulation and the possibility of additional reefer points (fastening hooks).

When loading, ensure that there is sufficient air circulation. For this purpose, markings are attached to the walls which define the maximum stowage height. When using load securing equipment such as e.g. dunnage bags care must be taken to ensure that the internal pressure changes with temperature fluctuations. There are also special load securing devices such as the S.A.M. restraint systemthat was specially developed for temperature-controlled transports.

An application video and more detailed explanations are available in our free technical article: "Episode 31: Reefer Reefer Container - Structure and Loading".
It is not uncommon for accidents to lead to adjustments in legislation. Not least, such losses provide insights for considerations on how to avoid damage or the complete loss of container ships in the future.
 
This is reflected in the standards and regulations of the leading institutions:
  • IMDG code
  • EMS code
  • SOLAS (International Convention for the Life at Sea)
  • IMO (International Maritime Organization)
  • MSC.1/Circ. 1475 9 June 2014
 
The exact meaning of the above is explained by the technical book author Sigurd Ehringer in our blog: "Episode 17: Accidents and the conclusions about the cargo and stowage".
As the word implies, the twistlock is required for locking/connecting two containers by rotating this anchor point. A distinction is made between manually locked twistlocks (container stowage on land) and semi-automatic ones (maritime transport). In the latter variant, when the containers are stacked correctly, a spring is automatically tensioned, which triggers the locking with the counterpart, the so-called corner casting.
 
What can the twistlocks withstand? How do you get them locked again? In our Cargo Blog post: "Episode 15: How does a twistlock work?" you will find an illustrated explanation.
During loading, it is not yet a problem: the goods, e.g. loose cardboard packaging stacked in a sea freight container, are still in place. But during transport by truck, rail and container ship, the cargo slips and endangers the personnel when the container is opened in the destination country. Why? The cargo presses unnoticed against the container doors before they are opened, and when the bar lock is actuated, they spring open in an uncontrolled manner.
 
To avoid this danger, before opening a Belt lock must be attached. The unloader places these around the two horizontal bars of the two container door latches that are closest together. Even if there is still pressure on the doors, they will then spring open by no more than a small gap. The personnel are protected.
 

TIP: To prevent the stress on the doors, our [R] Full Saftey developed. The fall-out protection is available as a tarpaulin and even as a dunnage system.

You can recognize the owner of the container, its registration number or even the type designation, i.e. the construction type. But there are even more details in the labels. Everyone has seen them: The many numbers and symbols on the container doors. But what do they actually mean? Do you know them all?
CSC label (Convention for Safe Containers) is a set of rules intended to ensure that containers are manufactured, tested and repaired worldwide according to uniform criteria. This also includes regular inspections and the documentation of this on the CSC label of the container. But what does this say in detail? And what criteria must a container fulfill?

Dimensions, internal dimensions, the construction of a container and thus its load capacity sometimes differ significantly. What damage makes a container no longer safe to operate? What is a "twist-lock"? Learn all about containers in our technical article:

When a container is delivered, an incoming inspection is actually mandatory. Does the container show any damage? Are there any deformations or damage to the container floor? When was the last inspection carried out in accordance with the CTU Code 2015? Some parameters have to be checked already before loading.

A distinction must be made here as to whether the container is a temperature-controlled container (reefer) or a standard sea container. Reefer containers do not have lashing eyes on the floor or ceiling; the following securing devices can be used here.
  • Screw-in lash point ( This can be placed in any rail of the floor, so lash straps can be used for restraint).
  • Tygart System (This is an oversized adhesive tape. This is stuck 2 pieces per side to the container wall at any height and sealed in front of the goods. This is done by tensioning the side tapes, which in turn are glued together with an adhesive tape. The length of the side tape must not be less than 150 cm.
  • Dunnage bags in all variations
  • S.A.M. System
The following systems can be used for standard containers. It is important to note how stable the goods to be shipped are.
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