Material, design, construction and testing. Tanks with manually and/or automatically welded circumferential and longitudinal seams. May also be used for portable tanks with capacity greater than 1000 L.

This British Standard specifies requirements for the material, design, construction and testing of the tanks of road tankers used for the conveyance by road of liquefiable gases under pressure. It applies to steel tanks having manually and/or automatically welded circumferential and longitudinal seams.

It does not cover vacuum insulated tanks and drums.

This standard may also be used as a specification for the materials, design, construction and testing of portable tanks (e.g. the tanks of tank containers) with a capacity greater than 1 000 L, in which case 12.6 and 12.7 do not apply.

In addition to the definitive requirements, this British Standard also requires the items detailed in clause 4 to be documented. For compliance with this British Standard, both the definitive requirements and the documented items have to be satisfied. A model form of acceptance certificate is given in Appendix A.

The requirements for design, manufacture and testing of tanks are based on those specified for construction category 1 components of BS 5500 and as far as possible are covered by direct cross-references to the relevant requirements in sections 2, 3, 4 and 5 of BS 5500, and to the requirements of other relevant British Standards.

NOTE The titles of the publications referred to in this standard are listed on the inside back cover.