scope:

Gives guidance on writing the technical specification for the procurement of hydraulic machines in the electrical supply industry. This includes: Francis turbines, Pelton turbines, Kaplan and Propeller turbines, Tubular turbines, pump-turbines and Storage pumps. The hydraulic machine equipment covered by this guide is related to its function rather than design type. Therefore the machine requirements are stated in performance terms rather than being specified by a detailed description of the equipment to be supplied.