22Duties of persons conducting businesses or

22 Duties of persons conducting businesses or undertakings that design plant, substances or structures (1) This section applies to a person (the designer) who conducts a business or undertaking that designs— (2) The designer must ensure, so far as is reasonably practicable, that the plant, substance or structure is designed to be without risks to the health and safety of persons— purpose for which it was designed; or (i) the manufacture, assembly or use of the plant for a purpose for which it was designed, or the proper storage, (ii) the manufacture or use of the substance for a purpose for which it was designed or the proper handling, storage or disposal of the substance; or (iii) the manufacture, assembly or use of the structure for a purpose for which it was designed or the proper demolition (3) The designer must carry out, or arrange the carrying out of, any calculations, analysis, testing or examination that may be necessary for the performance of the duty imposed by subsection (2). (4) The designer must give adequate information to each person who is provided with the design for the purpose of giving effect to it concerning— designed; and purpose for which it was designed or when carrying out any activity referred to in subsection (2) (a) to (e). (5) The designer, on request, must, so far as is reasonably practicable,