This standard gives guidance on writing the technical specification for the procurement of the pump units for use in electricity generating stations (power stations). This Guide for procurement is not applicable to equipment for use in the nuclear reactor plant area of nuclear power stations. Other possible applications of such equipment have not been considered in the preparation of this Guide. This Guide covers: - Feedwater pumps (including the start-up and booster pumps); Condensate pumps and condensate booster pumps; - Condenser cooling water pumps; - Boiler recirculation pumps;.