Abstract
References
1.Health and Safety at Work etc Act
1974 , sections 2, 3 and 6.
2.
BS EN (IEC) 61508, Functional safety of electrical/electronic/programmable electronic safety-related systems, parts 1 to 7:2002.
3.
BS IEC 61511, Functional safety. Safety instrumented systems for the process industry sector, parts 1 to 3:2003.
4.
BS EN50159, Railway applications — Communication, signalling and processing systems, parts 1 and 2:2001.
5.
BS IEC 61511–2, 11.9.2, Definition of process safety time, 2003.