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What is an Overpack?

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What is in an Overpack?

Over the last few months I have seen so much confusion regarding what is an Overpack I thought I would take the time to provide some assistance.

If you look up the word Overpack it states "An enclosure used by a single Shipper to contain one or more packages and to form 1 handling unit for convenience for handling and stowage"

This is when collect multiple boxes being transported to the same consignee together on one pallet or place the multiple boxes in a wood or fibreboard pallet box. We generally secure all the items together by strapping or shrink-wrapping the boxes in one convenient handling unit.  It seems for most of us we generally don't get too confused when we are shipping multiple boxes on a pallet.

  1. If we can see all of the marks and labels that represent the danger on all the boxes, then no further action is required.
  2. If we cannot see all of the marks and labels that represent the danger on all the boxes, the following action is required;

Marking & Labelling of an Overpack

All Modes (Air, Road & Sea) - The pallet must be marked with OVERPACK in 12 mm letters  

Air Road Sea
  • OVERPACK
  • Proper Shipping Name & UN#
  • Full Name & Addr of the Shipper & Consignee
  • Dry Ice Net Weight
  • Hazard Label that represents the goods
  • Any Special Handling Instructions that are Class Specific or Marks e.g. Limited or Excepted Quantity Mark, Lithium Battery Mark, Orientation Arrows, Environmentally Hazardous Substance

Note: If more than 1 overpack is being shipped then an ID mark should be displayed along with the total quantity of  dangerous goods on the pallet.

 

  • OVERPACK
  • UN #
  • Hazard Label that represents the goods
  • Any Special Handling Instructions that are Class Specific or Marks e.g. Limited or Excepted Quantity Mark, Lithium Battery Mark, Orientation Arrows, Environmentally Hazardous Substance Mark

 

 

 

  

 

  • OVERPACK
  • Proper Shipping Name & UN #
  • Hazard Label that represents the goods
  • Any Special Handling Instructions that are Class Specific or Marks e.g. Limited or Excepted Quantity Mark, Lithium Battery Mark, Orientation Arrows, Environmentally Hazardous Substance Mark

 

 

 

 

 

 Marking & Labelling of a Package for Dangerous Goods Transportation

"Dangerous Goods contained in the Overpack must be properly marked, labelled and in a proper condition as required by the regulations."

This requires that every dangerous goods package that is being placed in the overpack MUST meet the regulations for Air, Road or Sea. Accurate Marking, Labelling and Handling labels should be found.

So when we are placing boxes inside a large fibreboard /wood box or pallet box

Air Road Sea
  • Proper Shipping Name & UN#
  • Full Name & Addr of the Shipper & Consignee
  • Net Weight of dangerous substance or article being shipped *
  • Dry Ice Net Weight
  • Hazard Label that represents the goods
  • Any Special Handling Instructions Class Specific as per 7.1.4.1 or Marks e.g. Limited or Excepted Quantity Mark, Lithium Battery Mark, Orientation Arrows, Environmentally Hazardous Substance

* Gross Weight if required by regulations

  • UN #
  • Hazard Label that represents the goods
  • Any Special Handling Instructions Class Specific or Marks e.g. Limited or Excepted Quantity Mark, Lithium Battery Mark, Orientation Arrows, Environmentally Hazardous Substance Mark

 

 

 

 

  • Proper Shipping Name & UN #
  • Hazard Label that represents the goods
  • Any Special Handling Instructions that are Class Specific or Marks e.g. Limited or Excepted Quantity Mark, Lithium Battery Mark, Orientation Arrows, Environmentally Hazardous Substance Mark

 

 

 

 

 In summary only correctly marked and labelled dangerous goods may be placed in an Overpack.  You cannot just place your dangerous goods articles in an outer package and call this an OVERPACK unless the contents inside are properly marked and labelled.

 

                     Correct Packages                                                                                              Incorrect Packages

 

 

 

                                                                  

  

 

                 Correct Overpack                                                                                              Incorrect Overpack                        

Note: Lithium Ion Batteries that are packed with Equipment is not considered an overpack. The batteries should be secured in inner packages against movement with the piece of equipment they intend to power.


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