xmlns:atom="http://www.w3.org/2005/Atom"
5. The operator shall ensure that no fluid is conveyed in a pipeline unless it has been so designed that, so far as is reasonably practicable, it can withstand—
(a)forces arising from its operation;
(b)the fluids that may be conveyed in it; and
(c)the external forces and the chemical processes to which it may be subjected.