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Special Containers & its Cargoes – OOG/Reefer

There are a variety of special cargoes that are loaded on every ship..

Most common of these special cargoes are :

  • Out of gauge Cargo (OOG)
  • Refrigerated Cargo (Reefer)

These special cargoes require special containers for the carriage of same..

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..

20' Open Top Container20′ 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

 

40' Open Top Container40′ 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

 

20' Flat Rack Container20′ 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..

 

40' Flatrack Container40′ 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..

 

20' Platform Container20′ 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..

 

40' Platform Container40′ 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 are attached to the container whilst on road journeys..

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

 

 

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, some chemicals, Photo films 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 container liner shipping companies in the world..

Hariesh Manaadiar
Hariesh Manaadiarhttps://www.shippingandfreightresource.com
I am Hariesh Manaadiar, the Founder of Shipping and Freight Resource.. I have been in the dynamic shipping and freight industry for over three decades and have worked in several sectors.. I share my experiences and knowledge of the industry through this blog for those looking for help in the industry.. Stay subscribed for more free useful content about shipping, freight, maritime, logistics, supply chain and trade..

15 COMMENTS

  1. Thanks much to know shipping knowledge more about containers & others related .
    I am working for handling shipping document .

  2. I am a subscriber of your valuable blog since a couple of months ago. As a commodities trade finance consultant, I understand that some cargoes in commodities trade, such as agricultural produces etc. may need good ventilation to avoid damages during the hot and humid sea voyage. A special container providing ventilation is named “Fantainer” (with fans to provide ventilation). Please elaborate more on how the various “load plan” softwares introduced in your blog deal with proper stowage of fantainers that need to face the open fresh air in order to make ventilation possible. Certainly fantainers should not be stowed “under deck” (limited or no ventilation) or “on deck” but surrounded, blocked or “suffocated” by other near by containers.

  3. 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..

    • 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..

  4. 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

  5. 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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