This document specifies the requirements for the design@ construction@ testing@ commissioning@ operation and maintenance of LPG pipework in both the liquid phase and at full vapour pressure. This document is applicable to LPG pipework having a maximum allowable pressure of less than or equal to 25 bar. This document is applicable to new LPG pipework as well as to replacements of@ or extensions to@ existing LPG pipework. This document is not applicable to: ?? pipelines and their accessories; ?? pipework for the propulsion systems of road vehicles or boats; and ?? pipework on ships.