This standard gives guidance on writing the technical specification for the procurement of main and auxiliary cooling water systems 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: - pump intake screening plant (coarse and fine screens) and associated cleaning systems; - pressure filters; - pipework and valves; - penstock gates; - priming and venting equipment;...