Nuclear power plants. Instrumentation and control systems important to safety. Software aspects for computer-based systems performing category A functions Ingestion-build-132972 This standard does not apply

This standard does not apply to semi-finished rolled products in coiled form to be subjected to further rolling (reroll stock) or to special products such as corrugated

Aircraft design engineers

of the instrument so that the thickness readings it gives match those of a specimen of known thickness

and adaptors in use in the UK and overseas

Nuclear power plants. Instrumentation and control systems important to safety. Software aspects for computer-based systems performing category A functions Ingestion-build-132972 This standard does not applyThis standard provides requirements for the purpose of achieving highly reliable software. It addresses each stage of software generation and documentation, including requirements specification, design, implementation, verification, validation and operation. The principles applied in developing these requirements include: Best available practices Top down design methods Modularity Verification of each phase Clear documentation Auditable documents