Dangerous Goods by Road
shells shall be designed and constructed to withstand a hydraulic test pressure not less than 1.5 times
the design pressure. specific requirements are laid down for certain substances in the applicable
portable tank instruction indicated in column (10) of table a of chapter 3.2 and described in
4.2.5.2.6 or by a portable tank special provision indicated in column (11) of table a of chapter 3.2
and described in 4.2.5.3. attention is drawn to the minimum shell thickness requirements specified in
6.7.2.4.1 to 6.7.2.4.10.