Industrial system Safety & Risc management

The international standard IEC 61508 “Functional safety of electrical / electronic / programmable electronic safety-related systems (E/E/PES)” is intended to be a basic functional safety standard applicable to all kinds of industry. IEC 61508 defines functional safety as: “part of the overall safety relating to the EUC (Equipment Under Control) and the EUC control system which depends on the correct functioning of the E/E/PE safety-related systems, other technology safety-related systems and external risk reduction facilities.”

ISA99 Purpose

An Occupational Health and Safety Management System (OHSMS) provides a framework for managing Occupational Health and Safety (OH&S) responsibilities so they become more efficient and better integrated into an organization’s overall business operations. It incorporates specific elements such as organizational structure, responsibilities, practices, procedures, processes, and resources for developing, implementing, achieving, reviewing, and maintaining the OH&S policy for an organization’s health and safety process.

Title 21 CFR Part 11 of the Code of Federal Regulations deals with the FDA guidelines on electronic records and electronic signatures in the United States. Part 11, as it is commonly called, defines the criteria under which electronic records and electronic signatures are considered to be trustworthy, reliable and equivalent to paper records.

ISA84 Scope
1. To define terminology that is peculiar to E/E/PES and high reliability.

2. Establish criteria for and means of assessing reliability and availability in practical applications.

3. Provide general specification guidelines that facilitate understanding.

4. Provide guidelines for process safety applications requiring high reliability.

5. Develop guidelines for specific hardware/software configurations that can meet varying levels of reliability/availability.

6. This work does not apply to nuclear power safety-related systems.
 

The process industry sector includes many types of manufacturing processes, such as refineries, petrochemical, chemical, pharmaceutical, pulp and paper, and power. The process sector standard does not cover nuclear power facilities or nuclear reactors. IEC 61511 covers the application of electrical, electronic and programmable electronic equipment. While IEC 61511 does apply to equipment using pneumatic or hydraulic systems to manipulate final elements, the standard does not cover the design and implementation of pneumatic or hydraulic logic solvers.