ÖNORM EN 45510-8-1

This standard gives guidence on writing the technical specificatiun for the procurement of Control and Instrumentation (C&I) for use in electricity generating stations (power ststions). This Guide for procurement is not applicable to equipment for use in the nuclear reactor plant area of nuclear power stetions. Other possible applications of such equipment have not been considered in the preparatiun of this Guide. This Guide Covers: measurernent; final controlling elements; signal transmission and conditioning; Open loop control; closed loop control; control rooms; control desks and panels; alarm systems; data analysis and archiving. The equipment covered by this Guide is defined by its function rather than design type. Therefore, the guidance to the specificatim is ststed in performance terms rsther than being specified by a detailed descr@tion of the equbrnent to be supplied. This Guide indicates to potential punchssers how their speciflc8tion should be prepared so that: the equipment type and capacity interfaces correctly with other elements of the systems; predicted performance is achieved; ancillary equipment is properly sized; reliability, availability and safety requirements are achieved; proper consideration is given to the evaluation process and the quality rneasures to be applied. This Guide does not determine the type of specificatron (e,g. detailed, performance, functional) or the extent of supply for any given contract which is normally decided on the basis of the pumhaser s project strategy. It does not Cover: any commercial, con tractual or legal issues which are normally in separate parts of an enquiry; any allocation of responsibilities which are determined by the contract. This Guide does not prescribe the arrangement of the documents in the enquiry, NOTE: As a comprehensive European environmental policy is still under preparation, this Guide does not address the environmental implications of (...abbreviated)