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BS EN 50436-3:2016:2017 Edition

BS EN 50436-3:2016:2017 Edition

$189.07

Alcohol interlocks. Test methods and performance requirements – Guidance for authorities, decision makers, purchasers and users

Published By Publication Date Number of Pages
BSI 2017 50
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An alcohol interlock is a system comprising a breath alcohol measuring instrument and an immobiliser which may be easily installed in motor vehicles as passenger cars, coaches, taxis, hazardous goods transporters, lorries, trams, trains, motorcycles, boats, or snow mobiles. Before the vehicle motor can be started or the vehicle can be moved, a breath sample needs to be provided to the alcohol interlock, normally through a mouthpiece. Once the breath alcohol measurement has been performed, the alcohol interlock will prevent drivers from starting the motor if they have an alcohol concentration above a predetermined limit value. This limit may be set at the legal limit of a respective country or lower.

Alcohol interlocks that meet the relevant European Standards detect, for example, if the sample is delivered by a human being. They are also capable of preventing and detecting tampering with the instrument.

Additional parts of the system may include identity checking or recording mechanisms.

The purpose of this European Standard is to give practical guidance for selection, installation, use and maintenance of alcohol interlocks. It is directed to all those who have an interest in alcohol interlocks as well as companies selling and installing alcohol interlocks, purchasers and users for commercial, professional or private use. The European Standard gives information about the alcohol interlock and how it is to be used.

This European Standard describes alcohol interlocks for use in vehicles as a general preventive measure in traffic safety as well as for use in drink driving offender programmes. However, information provided may also be useful for alcohol interlocks in other applications.

PDF Catalog

PDF Pages PDF Title
4 Contents Page
7 European foreword
8 Introduction
9 1 Scope
2 Normative references
10 3 Terms and definitions
12 4 Application of alcohol interlocks as a road safety measure
4.1 General
4.2 Primary preventive application
13 4.3 Secondary preventive application
5 Application of alcohol interlocks for automatic access control
14 6 Introduction of alcohol interlocks for commercial and professional use
6.1 Alcohol interlocks, a way to ensure quality
6.2 International Standard ISO 39001
6.3 Systematic procedures to introduce alcohol interlocks
15 6.4 Dialogue with unions or other representatives
16 6.5 Dealing with alcohol problems
7 Alcohol interlocks in drink-driving-offender programmes
7.1 Overview
17 7.2 Participation rate
8 Criteria for selection
8.1 Approvals and performance testing
8.1.1 EMC legislation
18 Figure 1 — Example of an approval marking according to the European Directive
Figure 2 — Example of an approval marking according to the UN Regulation
8.1.2 Performance standards
19 8.2 Breath alcohol measurement techniques
8.2.1 General
8.2.2 Electrochemical sensors
20 8.2.3 Semiconductor sensors
8.2.4 Optical sensors
8.3 Quality demands and choice of products
22 8.4 Parameter settings
8.4.1 Alcohol concentration limit
8.4.2 Other parameters
23 8.5 Circumvention, manipulation and tampering
24 8.6 Data memory, download and analysis
9 Installation in vehicles
9.1 General
9.2 Instructions for installation
25 9.3 Criteria for placement
26 10 Use
10.1 Education and information for the user
27 10.2 Instructions for use
28 10.3 Environmental conditions
10.4 Override function
10.4.1 Override function for emergency situations
10.4.2 Override function for technical service
10.5 Retest function
29 10.6 Change driver function
10.7 Effects of mouth alcohol and environmental contamination
30 10.8 Interfering substances
11 Maintenance
11.1 Training
11.2 Periodic inspection, functional tests and calibration
11.3 Instructions for service
31 12 Removal
13 Conclusion
32 Annex A (informative) Questions and answers
A.1 What is an alcohol interlock?
A.2 Where are alcohol interlocks used?
A.3 Is it difficult to install an alcohol interlock?
A.4 Is it possible to install an alcohol interlock in motorcycles?
A.5 Can an alcohol interlock be circumvented?
A.6 Can a sober person blow into the alcohol interlock to allow an impaired person to drive?
33 A.7 Do alcohol interlocks detect tampering or attempts to bypass them?
A.8 Can any person use a car with an alcohol interlock?
A.9 Is it necessary to deliver a breath test after a short stop?
A.10 What is a retest?
A.11 Is it dangerous to deliver a retest during driving?
A.12 Should an alcohol interlock be calibrated regularly?
A.13 What happens if the alcohol interlock is defective? Can the motor then be started?
34 A.14 What happens if the alcohol interlock becomes defective while the motor is running?
A.15 Can a sober person have a positive test result?
A.16 How long does it take until residual mouth alcohol disappears?
35 Figure A.1 — Decrease of residual mouth alcohol concentration over time due to a mouth spray containing alcohol0F
A.17 What happens if a person has taken medicines containing alcohol?
A.18 How effective are alcohol interlocks in preventing (repeat) drink-driving?
A.19 Can alcohol-dependent drivers benefit from alcohol interlocks?
A.20 Are there further beneficial effects apart from road safety?
36 Annex B (informative) Items to be considered when selecting an alcohol interlock
37 Annex C (informative) Description of basic parameter settings
Table C.1 — Summary of typical parameter settings of alcohol interlocks
41 Annex D (informative) Basic steps of a drink-driving-offender programme
Table D.1 — Summary of typical steps of drink-driving-offender programme
46 Bibliography

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BS EN 50436-3:2016
$189.07