Article 5 – Special Containers & its Cargoes – OOG/Reefer

There are a variety of special cargo that is generally loaded on every ship..     

Most common of which are :

  • Out of gauge Cargo
  • Hazardous Cargo
  • Refrigerated Cargo

In this article, we will discuss (yes it is a discussion so please feel free to join in and post your comments) OOG Cargo and Refrigerated Cargo (Reefer Cargo)..

Out of gauge Cargo (OOG) : Cargo that generally extends over and above the standard measurement of a General Purpose container.. OOG cargo is normally carried in Open Top containers (OT), Flat Racks (FR), Platforms (PL) due to the nature and size of the cargo.. Please see the images below for a clearer understanding..

20ot20′ Open Top Container – 20′OT - Mainly used for cargo that cannot be easily loaded through the door and needs to be loaded from the top.. The cargo could also be ingauge.. This type of container is also used for loading cargoes that are over high.. Used for the carriage of cargoes like machinery, glass etc

 

40ot140′ Open Top Container – 40′OT – Mainly used for cargo that cannot be easily loaded through the door and needs to be loaded from the top.. The cargo could also be ingauge.. This type of container is also used for loading cargoes that are over high.. Used for the carriage of cargoes like machinery etc

 

20fr

20′ Flat Rack Container – 20′ FR – Mainly used for cargo that is overwidth and/or overhigh.. Big machinery, vehicles on tracks, big reels etc can be loaded on this type of container.. The cargo could also be ingauge, but is heavy and requires a forklift to load it.. In certain types of flat racks, the ends can also be folded – known as Collapsible Flat Racks..

 

40fr

40′ Flat Rack Container – 40′ FR – Mainly used for cargo that is overwidth and/or overhigh.. Big machinery, vehicles on tracks, big reels etc can be loaded on this type of container.. The cargo could also be ingauge, but is heavy and requires a forklift to load it.. In certain types of flat racks, the ends can also be folded – known as Collapsible Flat Racks..

 

20plat120′ Flat or COFL convertible to Platform – Mainly used for cargo that is overwidth, overlength and/or overhigh.. Big machinery, Heavy equipments, large vehicles on tracks, boats, big reels etc can be loaded on this type of container.. The cargo could also be ingauge, but is heavy and requires a forklift to load it..

 

40plat140′ Flat or COFL convertible to Platform – Mainly used for cargo that is overwidth, overlength and/or overhigh.. Big machinery, Heavy equipments, large vehicles on tracks, boats, big reels etc can be loaded on this type of container.. The cargo could also be ingauge, but is heavy and requires a forklift to load it..

 

Refrigerated Cargo (Reefer) : A refrigerated container or reefer is a shipping container used in intermodal freight transport that is refrigerated for the transportation of temperature sensitive cargo..

While a reefer will have an integral refrigeration unit, they rely on external power, from electrical power points at a land based site, a container ship or on quay. When being transported over the road on a trailer they can be powered from diesel powered generators (“gensets”) which attach to the container whilst on road journeys..

20′ Reefer Container – 20′ RF & 40′ Reefer Container – 40′ RF 

20rf

40rf

Reefer containers are used to carry many cargoes that are sensitive to temperature changes and require a temperature controlled environment.. Examples include Frozen Meat, Fresh Produce, Fruits, Vegetables, Certain chemicals, Photofilms etc.. Majority of the 40′ containers are high cube containers.. Many of the modern ships are designed to carry optimum 40′RF..

 

Container images courtesy of Hapag Lloyd - http://www.hapag-lloyd.com one of the top five shipping companies in the world..

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14 thoughts on “Article 5 – Special Containers & its Cargoes – OOG/Reefer

  1. Pingback: My 1st Million in shipping and freight | Shipping and Freight Resource

  2. Hi, I am new to sea freight but am learning fast.
    I always have problems on loading. that is given a packing list & to determine how many & type o containers to be used based on the packing list given.

    Latest, i have been given to determine what type of equipment to use if packing list of
    2 units of aircraft engines 197 x 100 x 115 inches weight 7000kgs/each unit & 2 units aircraft engines 232 x 100 x 120 inches weight 7000kgs/each .. which & how many flat rack to use.
    Shipment destined to UK.

    Thank you for your asisstance. I have been looking for sites that can assist on loading of container whether OOG or normal GP..

  3. i’m ama,from university of colombo srilanka.thank u v.much 4 above link.i got most important things what i wanted.

  4. This is very nice for us in the shipping industry. Thanks for the website. You are now one of my favorites.

  5. Hi Leazz, thats a difficult question to answer coz it depends totally on the vessel involved and the planning of the vessel.. The only time you will ever know FOR SURE is when the planning for the vessel is done..

  6. Hi thanks for above link. Are there any calculation table to know how many containers void and killed for an OOG cntrs? Thanks. Léazz

  7. Hi, my management gave me a project on OOG and flat racks. I need to study them and give details such as loading/discharging procedures, from one end to another, stuffing and unstuffing and so on. Could you kindly assist me please? Thanks. Léazz

  8. Hi Shafiek, flexitanks are used for the carriage of liquid cargoes.. Currently mainly wine is being carried in these flexitanks ex South Africa..

  9. The pictures for 20′/40′ PL (platform/tweendeck/bolsters) are in fact pics of collapsible Flatracks. Platforms do not have any
    end piece (collapsible or not). PL’s mainly used on RORO vessels to cater for non-wheeled cgo. True, you can in some instances use collapsed FR’s for the same purpose but generally load capacity is considerably different.

    For reefer containers suggest you go into more details of the different types of reefer containers on the market today. A long way fm the original SAECS clip-ons/simple reefer boxes. One example CA (controlled atmosphere) reefers. Interested readers can check apm-maersk.com/safmarine.com websites for more info or contact PPECB.
    rgds
    claus

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