(Question on the Stacking Test for solid dangerous goods.)
Q.
We refer to DGR 6.3.6.2 Test Method for Stacking Test. Our merchandise is solid therefore removing the requirements for liquids, we arrive with the following two requirements.

(1) The test sample must be subjected to a force applied to the top surface of the test sample equivalent to the total weight of identical packages which might be stacked on it during transport;

(2) The minimum height of the stack including the test sample must be 3 m, and the duration of the test must be 24 hours.

In applying these test requirements, when the packages are small carton boxes, it may be difficult to stack such small carton boxes up to a height of 3 meters. In such a case, we feel the same effect can be obtained by placing a weight equivalent to a 3 meter stack on top of the test sample. (This is in assumption that a 3 meter stack does not really occur in actual handling.)
Kindly advise. (31 Aug 22)
A.
Cargo aircraft (freighters) currently operating on international routes, have a ceiling height of 3 meters in the upper deck cargo holds. For efficiency all available space are utilized. A 3-meter stack is a daily occurrence and therefore a stacking test of 3-meter is a mandatory requirement.

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