BS 5760-18:2010 PDF

BS 5760-18:2010 Reliability of systems, equipment and components. Guide to the demonstration of dependability requirements. The dependability case Dependability is a vital performance characteristic and will help your business ensure systems are reliable and performing effectively. A dependability case provides a convenient and convincing means of recording and presenting dependability performance. It is supported by evidence that the necessary dependability performance has been or will be achieved. The dependability performance of a system depends on all aspects of that system, including: • Components • Processes • Hardware • Software • People • Interfaces. A company strategy needs to be flexible in its approach to providing progressive dependability assurance. The results of dependability activities need to be reviewed against the dependability requirements and the dependability programme modified as necessary. In particular: a) The dependability requirements of the purchaser need to be understood by the purchaser and supplier b) A programme of activities needs to be planned and implemented to satisfy the requirements and investigate the risks c) The purchaser needs assurance that the dependability requirements are being, or will be, satisfied and that confidence in the dependability is increasing over the course of the programme. BS 5760-18 provides the purchaser and suppliers with guidance on how to manage the dependability case. It also provides guidance on assessing and judging the adequacy of the outputs from dependability methods used in the programme. BS 5760-18 provides a description of the principles of the dependability...