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BS ISO 26262-8:2018

BS ISO 26262-8:2018

$215.11

Road vehicles. Functional safety – Supporting processes

Published By Publication Date Number of Pages
BSI 2018 72
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This document is intended to be applied to safety-related systems that include one or more electrical and/or electronic (E/E) systems and that are installed in series production road vehicles, excluding mopeds. This document does not address unique E/E systems in special vehicles such as E/E systems designed for drivers with disabilities.

NOTE Other dedicated application-specific safety standards exist and can complement the ISO 26262 series of standards or vice versa.

Systems and their components released for production, or systems and their components already under development prior to the publication date of this document, are exempted from the scope of this edition. This document addresses alterations to existing systems and their components released for production prior to the publication of this document by tailoring the safety lifecycle depending on the alteration. This document addresses integration of existing systems not developed according to this document and systems developed according to this document by tailoring the safety lifecycle.

This document addresses possible hazards caused by malfunctioning behaviour of safety-related E/E systems, including interaction of these systems. It does not address hazards related to electric shock, fire, smoke, heat, radiation, toxicity, flammability, reactivity, corrosion, release of energy and similar hazards, unless directly caused by malfunctioning behaviour of safety-related E/E systems.

This document describes a framework for functional safety to assist the development of safety-related E/E systems. This framework is intended to be used to integrate functional safety activities into a company-specific development framework. Some requirements have a clear technical focus to implement functional safety into a product; others address the development process and can therefore be seen as process requirements in order to demonstrate the capability of an organization with respect to functional safety.

This document does not address the nominal performance of E/E systems.

This document specifies the requirements for supporting processes, including the following:

  • interfaces within distributed developments;

  • overall management of safety requirements;

  • configuration management;

  • change management;

  • verification;

  • documentation management;

  • confidence in the use of software tools;

  • qualification of software components;

  • evaluation of hardware elements;

  • proven in use argument;

  • interfacing an application that is out of scope of ISO 26262; and

  • integration of safety-related systems not developed according to ISO 26262.

Annex A provides an overview on objectives, prerequisites and work products of this document.

PDF Catalog

PDF Pages PDF Title
2 National foreword
8 Foreword
10 Introduction
13 1 Scope
14 2 Normative references
3 Terms and definitions
4 Requirements for compliance
4.1 Purpose
4.2 General requirements
15 4.3 Interpretations of tables
4.4 ASIL-dependent requirements and recommendations
16 4.5 Adaptation for motorcycles
4.6 Adaptation for trucks, buses, trailers and semi-trailers
5 Interfaces within distributed developments
5.1 Objectives
5.2 General
5.3 Inputs to this clause
5.3.1 Prerequisites
17 5.3.2 Further supporting information
5.4 Requirements and recommendations
5.4.1 Application of requirements
5.4.2 Supplier selection criteria
18 5.4.3 Initiation and planning of distributed development
19 5.4.4 Execution of distributed development
20 5.4.5 Functional safety assessment activities in a distributed development
5.4.6 Agreement for production, operation, service and decommissioning
5.5 Work products
21 6 Specification and management of safety requirements
6.1 Objectives
6.2 General
22 6.3 Inputs to this clause
6.3.1 Prerequisites
6.3.2 Further supporting information
23 6.4 Requirements and recommendations
6.4.1 Specification of safety requirements
6.4.2 Attributes and characteristics of safety requirements
25 6.4.3 Management of safety requirements
26 6.5 Work products
7 Configuration management
7.1 Objectives
7.2 General
27 7.3 Inputs to this clause
7.3.1 Prerequisites
7.3.2 Further supporting information
7.4 Requirements and recommendations
7.5 Work products
28 8 Change management
8.1 Objectives
8.2 General
8.3 Inputs to this clause
8.3.1 Prerequisites
8.3.2 Further supporting information
8.4 Requirements and recommendations
8.4.1 Planning and initiating change management
29 8.4.2 Change requests
8.4.3 Change request analysis
8.4.4 Change request evaluation
30 8.4.5 Implementing and documenting the change
8.5 Work products
9 Verification
9.1 Objectives
9.2 General
31 9.3 Inputs to this clause
9.3.1 Prerequisites
9.3.2 Further supporting information
9.4 Requirements and recommendations
9.4.1 Verification planning
32 9.4.2 Verification specification
33 9.4.3 Verification execution and evaluation
9.5 Work products
34 10 Documentation management
10.1 Objectives
10.2 General
10.3 Inputs to this clause
10.3.1 Prerequisites
10.3.2 Further supporting information
10.4 Requirements and recommendations
35 10.5 Work products
36 11 Confidence in the use of software tools
11.1 Objectives
11.2 General
38 11.3 Inputs to this clause
11.3.1 Prerequisites
11.3.2 Further supporting information
11.4 Requirements and recommendations
11.4.1 General requirement
39 11.4.2 Validity of predetermined Tool Confidence Level or qualification
11.4.3 Software tool compliance with its evaluation criteria or its qualification
11.4.4 Planning of usage of a software tool
40 11.4.5 Evaluation of a software tool by analysis
41 11.4.6 Qualification of a software tool
42 11.4.7 Increased confidence from use
43 11.4.8 Evaluation of the tool development process
44 11.4.9 Validation of the software tool
11.5 Work products
12 Qualification of software components
12.1 Objectives
12.2 General
45 12.3 Inputs to this clause
12.3.1 Prerequisites
12.3.2 Further supporting information
12.4 Requirements and recommendations
12.4.1 General
12.4.2 Specification of software component qualification
47 12.4.3 Verification of qualification of a software component
12.5 Work products
13 Evaluation of hardware elements
13.1 Objectives
48 13.2 General
13.3 Inputs to this clause
13.3.1 Prerequisites
13.3.2 Further supporting information
49 13.4 Requirements and recommendations
13.4.1 General
50 13.4.2 Evaluation of class I hardware elements
13.4.3 Evaluation of class II hardware elements
52 13.4.4 Evaluation of class III hardware elements
13.5 Work products
14 Proven in use argument
14.1 Objectives
53 14.2 General
14.3 Inputs to this clause
14.3.1 Prerequisites
54 14.3.2 Further supporting information
14.4 Requirements and recommendations
14.4.1 General
14.4.2 Proven in use credit
55 14.4.3 Minimum information on candidate
14.4.4 Analysis of modifications to the candidate
14.4.5 Analysis of field data
57 14.5 Work products
58 15 Interfacing an application that is out of scope of ISO 26262
15.1 Objectives
15.2 General
15.3 Inputs to this clause
15.3.1 Prerequisites
15.3.2 Further supporting information
15.4 Requirements and recommendations
59 15.5 Work products
16 Integration of safety-related systems not developed according to ISO 26262
16.1 Objectives
16.2 General
60 16.3 Inputs to this clause
16.3.1 Prerequisites
16.3.2 Further supporting information
16.4 Requirements and recommendations
16.5 Work products
61 Annex A (informative) Overview of and workflow of supporting processes
65 Annex B (informative) Development Interface Agreement (DIA) example
71 Bibliography

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BS ISO 26262-8:2018
$215.11