8Meaning of professional engineering service

8 Meaning of professional engineering service (1) For this Act, professional engineering service— (a) means an engineering service in an area of engineering that requires, or is based on, the application of engineering principles and data— (i) to a design; or (ii) to a construction, production, operation or maintenance activity, relating to engineering; but (b) does not include an engineering service that is provided only in accordance with a prescriptive standard. (2) In this section: prescriptive standard means a document that states procedures or criteria— (a) for carrying out a design, or a construction, production, operation or maintenance activity, relating to engineering; and (b) the application of which, to the carrying out of the design, or the construction, production, operation or maintenance activity, does not require advanced scientifically based calculations.