ISO 16121-3:2005
(Main)Road vehicles — Ergonomic requirements for the driver's workplace in line-service buses — Part 3: Information devices and controls
Road vehicles — Ergonomic requirements for the driver's workplace in line-service buses — Part 3: Information devices and controls
ISO 16121-3:2005 applies to the driver's workplace in low-floor buses designed for the carriage of passengers, comprising more than eight seats in addition to the driver's seat, and having a maximum weight exceeding five metric tons and a maximum width exceeding 2,30 m. It gives the requirements for the location of information devices and controls.
Véhicules routiers — Exigences ergonomiques du poste de conduite dans les bus de ville — Partie 3: Systèmes de contrôle et d'information
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Standards Content (Sample)
INTERNATIONAL ISO
STANDARD 16121-3
First edition
2005-10-01
Road vehicles — Ergonomic
requirements for the driver's workplace in
line-service buses —
Part 3:
Information devices and controls
Véhicules routiers — Exigences ergonomiques du poste de conduite
dans les bus de ville —
Partie 3: Systèmes de contrôle et d'information
Reference number
ISO 16121-3:2005(E)
©
ISO 2005
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ISO 16121-3:2005(E)
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ii © ISO 2005 – All rights reserved
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ISO 16121-3:2005(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies
(ISO member bodies). The work of preparing International Standards is normally carried out through ISO
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International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of technical committees is to prepare International Standards. Draft International Standards
adopted by the technical committees are circulated to the member bodies for voting. Publication as an
International Standard requires approval by at least 75 % of the member bodies casting a vote.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. ISO shall not be held responsible for identifying any or all such patent rights.
ISO 16121-3 was prepared by Technical Committee ISO/TC 22, Road vehicles, Subcommittee SC 13,
Ergonomics applicable to road vehicles.
ISO 16121 consists of the following parts, under the general title Road vehicles — Ergonomic requirements
for the driver's workplace in line-service buses:
⎯ Part 1: General description, basic requirements
⎯ Part 2: Visibility
⎯ Part 3: Information devices and controls
⎯ Part 4: Cabin environment
© ISO 2005 – All rights reserved iii
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ISO 16121-3:2005(E)
Introduction
Poor ergonomics in the driver’s workplace in buses designed to provide scheduled urban and interurban
services increase the already high physical and mental strains on the drivers.
It is the aim of this part of ISO 16121 to supply the designer of line-service buses with information about how
to develop an overall ergonomic concept for the driver’s workplace. The recommended requirements on the
driver’s workplace for line-service buses made in this part of ISO 16121 are based on the scientific
conclusions of the research project “Driver’s workplace in the line-service bus”. This was conducted in
[1]
Germany and summarized in the recommendation VDV 234 . Further comprehensive ergonomic studies
related to the design of an enhanced driver workplace conducted in the United States, Canada, the
[2, 3, 4, 5, 6]
Netherlands, Sweden and the United Kingdom have been considered and found to provide
recommendations covering similar areas.
This part of ISO 16121 sets out to consider the practical implications for all ranges of driver, but particularly
those with heights from 1,58 m (small female) through to 2,0 m (large male).
It is also essential that the designer refer to the specifications and requirements of all parts of ISO 16121
(1 to 4) before completing the design of a driver's workplace.
It should be noted that where there is also national legislation covering any of the subjects contained herein,
then both should be complied with. However, if a contradiction between the two should arise in any specific
area, then the legislation shall prevail for that specific point only.
iv © ISO 2005 – All rights reserved
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INTERNATIONAL STANDARD ISO 16121-3:2005(E)
Road vehicles — Ergonomic requirements for the driver's
workplace in line-service buses —
Part 3:
Information devices and control
1 Scope
This part of ISO 16121 applies to the driver’s workplace in low-floor buses designed for the carriage of
passengers, comprising more than eight seats in addition to the driver's seat, and having a maximum weight
exceeding five metric tonnes and a maximum width exceeding 2,30 m.
It gives the requirements for the location of information devices and controls.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.
ISO 16121-1, Road vehicles — Ergonomic requirements for the driver's workplace in line-service buses —
Part 1: General description, basic requirements
ISO 2575, Road vehicles — Symbols for controls, indicators and tell-tales
ISO 4040, Road vehicles — Location of hand controls, indicators and tell-tales in motor vehicles
3 Terms, definitions and abbreviated terms
3.1 Terms and definitions
For this part of ISO 16121, the following terms and definitions apply.
3.1.1
low-floor
vehicle in which at least 35 % of the area available for standing passengers (or of its forward section in the
case of an articulated vehicle) forms a single area without steps, reached through at least one service door by
a single step from the ground
3.1.2
early warning
visual signal, no immediate action required
3.1.3
alert
visual signal alarm, immediate action required
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ISO 16121-3:2005(E)
3.1.4
Zone A
zone on the dashboard beneath the steering wheel, bounded by a horizontal tangent to the top of the steering
column at its uppermost position, a vertical line projected from the left- and right-hand extremities of the wheel
rim and the top of the dashboard (see Figure 1)
3.1.5
Zone B
zone to the left of the steering wheel limited to the right by outer diameter of steering wheel, limit to the left
and front by the hand reach R (see Figures 1 and 2), limited to the rear by the plane transverse to the length
axis of the seat up to a maximum of 60 mm below steering wheel centre (central position) as advised by the
manufacturer
3.1.6
Zone C
same shape as Zone B, but mirrored to the right of the steering wheel (see Figure 1)
3.1.7
Zone B
1
supplementary plane, starting nearest to the driver at the end of Zone B with the same width and continuing
spreading downwards (see Figure 1)
NOTE Zone B may be integrated into Zone B.
1
3.1.8
Zone C
1
supplementary plane mirrored to Zone B , adjacent to Zone C (see Figure 1)
1
NOTE Zone C may be integrated into Zone C.
1
3.1.9
Zone D
side console to the left of the driver, limited to the right by the distance to the seat (minimum 100 mm), to the
front by the rear border of Zone B, and to the left and rear by the cabin walls (see Figure 1)
3.1.10
Zone E
side console to the right of the driver, limited to the left by the distance to the seat (minimum 100 mm), limited
to the front by the rear border of Zone C, limited to the right depending on regulations about gangways, and
limited to the rear by the cabin walls (see Figure 1)
3.1.11
Zone F
roof console over driver
...
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