Regulation No 95 of the Economic Commission for Europe of the United Nations (UN/ECE) — Uniform provisions concerning the approval of vehicles with regard to the protection of the occupants in the event of a lateral collision
Date: 2007-11-30
Institutions: United Nations Economic Commission for Europe
Subjects: Ecosoc, approval, approximation of laws, motor vehicle, safety device, safety standard, transport accident

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(Acts adopted under the EC Treaty/Euratom Treaty whose publication is not obligatory)

ACTS ADOPTED BY BODIES CREATED BY INTERNATIONAL AGREEMENTS

Regulation No 95 of the Economic Commission for Europe of the United Nations (UN/ECE) —
Uniform provisions concerning the approval of vehicles with regard to the protection of the
occupants in the event of a lateral collision

Addendum 94: Regulation No 95

Only the original UN/ECE texts have legal effect under international public law. The status and date of entry
into force of this Regulation should be checked in the latest version of the UN/ECE status document TRANS/
WP.29/343, available at: http://www.unece.org/trans/main/wp29/wp29wgs/wp29gen/wp29fdocstts.html.

Incorporating all valid text up to:

Supplement 1 to the 02 series of amendments — Date of entry into force: 12 August 2004

Corrigendum of 21 February 2005

REGULATION

CONTENTS

Scope
Definitions
Application for approval
Approval
Specifications and tests
Modification of the vehicle type
Conformity of production
Penalties for non-conformity of production
Production definitely discontinued

1.
2.
3.
4.
5.
6.
7.
8.
9.
10. Transitional provisions
11. Names and addresses of

technical services responsible for conducting approval

tests, and of administrative

departments

ANNEXES

Annex 1:

Annex 2:
Annex 3:

Annex 4:

Communication concerning the approval or extension or refusal or withdrawal of approval or production
definitely discontinued of a vehicle type with regard to protection of occupants in the event of a lateral
collision, pursuant to Regulation No 95
Arrangements of the approval mark
Procedure for determining the ‘H’ point and the actual torso angle for seating positions in motor vehicles
Appendix 1 — Description of the three dimensional ‘H’ point machine (3-D H machine)
Appendix 2 — Three dimensional reference system
Appendix 3 — Reference data concerning seating positions
Collision test procedure
Appendix 1 — Determination of performance data GE.95-22782
Appendix 2 — The procedure for calculating the viscous criterion for EUROSID 1

Annex 5: Mobile deformable barrier characteristics

Appendix 1 — Force-deflection curves for static tests
Appendix 2 — Force-deflection curves for dynamic tests
Technical description of the side impact dummy
Installation of the side impact dummy
Partial test

Annex 6:
Annex 7:
Annex 8:

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1.

SCOPE

This Regulation applies to the lateral collision behaviour of
the passenger
compartment of M1 and N1 categories of vehicles where the R point of the lowest seat is not more
than 700 mm from ground level when the vehicle is in the condition corresponding to the reference
mass defined in paragraph 2.10 of this Regulation.

the structure of

2.

DEFINITIONS

For the purposes of this Regulation:

2.1.

2.2.

‘Approval of a vehicle’ means the approval of a vehicle type with regard to the behaviour of the
structure of the passenger compartment in a lateral collision;

‘Vehicle type’ means a category of power-driven vehicles which do not differ in such essential
respects as:

2.2.1.

the length, width and ground clearance of the vehicle, in so far as they have a negative effect on the
performance prescribed in this Regulation;

2.2.2.

the structure, dimensions, lines and materials of the side walls of the passenger compartment in so
far as they have a negative effect on the performance prescribed in this Regulation;

2.2.3.

the lines and inside dimensions of the passenger compartment and the type of protective systems, in
so far as they have a negative effect on the performance prescribed in this Regulation;

2.2.4.

the siting of the engine (front, rear or centre);

2.2.5.

the unladen mass, in so far as there is a negative effect on the performance prescribed in this
Regulation;

2.2.6.

the optional arrangements or interior fittings in so far as they have a negative effect on the
performance prescribed in this Regulation;

2.2.7.

the type of front seat(s) and position of the ‘R’ point in so far as they have a negative effect on the
performance prescribed in this Regulation;

2.3.

2.4.

‘Passenger compartment’ means the space for occupant accommodation, bounded by the roof, floor,
side walls, doors, outside glazing and front bulkhead and the plane of the rear compartment
bulkhead or the plane of the rear-seat back support;

‘R point’ or ‘seating reference point’ means the reference point specified by the vehicle manufacturer
which:

2.4.1.

has co-ordinates determined in relation to the vehicle structure;

2.4.2.

corresponds to the theoretical position of the point of torso/thighs rotation (H point) for the lowest
and most rearward normal driving position or position of use given by the vehicle manufacturer for
each seating position specified by him;

2.5.

‘H point’ is as established by annex 3 to this Regulation;

2.6.

2.7.

‘Capacity of the fuel tank’ means the fuel-tank capacity as specified by the manufacturer of the
vehicle;

‘Transverse plane’ means a vertical plane perpendicular to the median longitudinal vertical plane of
the vehicle;

2.8.

‘Protective system’ means devices intended to restrain and/or protect the occupants;

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2.9.

‘Type of protective system’ means a category of protective devices which do not differ in such
essential respects as their:

— technology

— geometry

— constituent materials;

2.10.

2.11.

‘Reference mass’ means the unladen mass of the vehicle increased by a mass of 100 kg (that is the
mass of the side impact dummy and its instrumentation);

‘Unladen mass’ means the mass of the vehicle in running order without driver, passengers or load,
but with the fuel tank filled to 90 per cent of its capacity and the usual set of tools and spare wheel
on board, where applicable;

2.12.

‘Mobile deformable barrier’ means the apparatus with which the test vehicle is impacted. It consists
of a trolley and an impactor;

2.13.

‘Impactor’ means a crushable section mounted on the front of mobile deformable barrier;

2.14.

‘Trolley’ means a wheeled frame free to travel along its longitudinal axis at the point of impact. Its
front supports the impactor.

3.

3.1.

3.2.

3.2.1.

3.2.2.

APPLICATION FOR APPROVAL

The application for approval of a vehicle type with regard to the protection of the occupants in the
event of a lateral collision shall be submitted by the vehicle manufacturer or by his duly accredited
representative.

It shall be accompanied by the undermentioned documents in triplicate and the following
particulars:

a detailed description of the vehicle type with respect to its structure, dimensions,
constitutent materials;

lines and

photographs and/or diagrams and drawings of the vehicle showing the vehicle type in front, side and
rear elevation and design details of the lateral part of the structure;

3.2.3.

particulars of the vehicle's mass as defined by paragraph 2.11. of this Regulation;

3.2.4.

the lines and inside dimensions of the passenger compartment;

3.2.5.

a description of the relevant side interior fittings and protective systems installed in the vehicle.

3.3.

3.4.

3.4.1.

The applicant for approval shall be entitled to present any data and results of tests carried out which
make it possible to establish that compliance with the requirements can be achieved on prototype
vehicles with a sufficient degree of accuracy.

A vehicle which is representative of the type to be approved shall be submitted to the technical
service responsible for conducting the approval tests.

A vehicle not comprising all the components proper to the type may be accepted for tests provided
that it can be shown that the absence of the components omitted has no detrimental effect on the
performance prescribed in the requirements of this Regulation.

3.4.2.

It shall be the responsibility of the applicant for approval to show that the application of paragraph
3.4.1 is in compliance with the requirements of this Regulation.

4.

4.1.

APPROVAL

If the vehicle type submitted for approval pursuant to this Regulation meets the requirements of
paragraph 5 below, approval of that vehicle type shall be granted.

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4.2.

4.3.

4.4.

4.5.

In case of doubt, account shall be taken, when verifying the conformity of the vehicle to the
requirements of this Regulation, of any data or test results provided by the manufacturer which can
be taken into consideration in validating the approval test carried out by the technical service.

An aproval number shall be assigned to each type approved. Its first two digits (at present 01
corresponding to the 01 series of amendments) shall
indicate the series of amendments
incorporating the most recent major technical amendments made to the Regulation at the time
of issue of the approval. The same Contracting Party may not assign the same approval number to
another vehicle type.

Notice of approval or of extension or of refusal of approval of a vehicle type pursuant to this
Regulation shall be communicated by the Parties to the Agreement applying this Regulation by
means of a form conforming to the model in annex 1 to this Regulation and photographs and/or
diagrams and drawings supplied by the applicant for approval, in a format not exceeding A4
(210 × 297) mm or folded to that format and on an appropriate scale.

There shall be affixed to every vehicle conforming to a vehicle type approved under this Regulation,
conspicuously and in a readily accessible place specified on the approval form, an international
approval mark consisting of:

4.5.1.

a circle surrounding the letter ‘E’ followed by the distinguishing number of the country which has
granted approval (1);

4.5.2.

the number of this Regulation, followed by the letter ‘R’, a dash and the approval number, to the
right of the circle prescribed in paragraph 4.5.1.

4.6.

If the vehicle conforms to a vehicle type approved, under one or more other Regulations annexed to
the Agreement, in the country which has granted approval under this Regulation, the symbol
prescribed in paragraph 4.5.1 need not be repeated; in this case the Regulation and approval
numbers and the additional symbols of all the Regulations under which approval has been granted
in the country which has granted approval under this Regulation shall be placed in vertical columns
to the right of the symbol prescribed in paragraph 4.5.1.

4.7.

The approval mark shall be clearly legible and shall be indelible.

4.8.

The approval mark shall be placed close to or on the vehicle data plate affixed by the manufacturer.

4.9.

Annex 2 to this Regulation gives examples of approval marks.

5.

SPECIFICATIONS AND TESTS

5.1.

The vehicle shall undergo a test in accordance with annex 4 to this Regulation.

(1) 1 for Germany, 2 for France, 3 for Italy, 4 for the Netherlands, 5 for Sweden, 6 for Belgium, 7 for Hungary, 8 for the
Czech Republic, 9 for Spain, 10 for Yugoslavia, 11 for the United Kingdom, 12 for Austria, 13 for Luxembourg, 14 for
Switzerland, 15 (vacant), 16 for Norway, 17 for Finland, 18 for Denmark, 19 for Romania, 20 for Poland, 21 for
Portugal, 22 for the Russian Federation, 23 for Greece, 24 for Ireland, 25 for Croatia, 26 for Slovenia, 27 for Slovakia,
28 for Belarus, 29 for Estonia, 30 (vacant), 31 for Bosnia and Herzegovina, 32 for Latvia, 33 (vacant), 34 for Bulgaria,
35-36 (vacant), 37 for Turkey, 38-39 (vacant), 40 for The former Yugoslav Republic of Macedonia, 41 (vacant), 42 for
the European Community (Approvals are granted by its Member States using their respective ECE symbol), 43 for Japan,
44 (vacant), 45 for Australia and 46 for Ukraine. Subsequent numbers shall be assigned to other countries in the
chronological order in which they ratify or accede to the Agreement Concerning the Adoption of Uniform Technical
Prescriptions for Wheeled Vehicles, Equipment and Parts which can be Fitted and/or be Used on Wheeled Vehicles and
the Conditions for Reciprocal Recognition of Approvals Granted on the Basis of these Prescriptions, and the numbers
thus assigned shall be communicated by the Secretary-General of the United Nations to the Contracting Parties to the
Agreement.

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5.1.1.

The test will be carried out on the driver's side unless asymmetric side structures, if any, are so
different as to affect the performance in a side impact. In that case either of the alternatives in
paragraph 5.1.1.1 or 5.1.1.2 may be used by agreement between the manufacturer and test
authority.

5.1.1.1. The manufacturer will provide the authority responsible for approval with information regarding the
compatibility of performances in comparison with the driver's side when the test is being carried out
on that side.

5.1.1.2. The approval authority, if concerned as to the construction of the vehicle, will decide to have the test

performed on the side opposite the driver, this being considered the least favourable.

5.1.2.

The Technical Service, after consultation with the manufacturer, may require the test to be carried
out with the seat in a position other than the one indicated in paragraph 5.5.1 of Annex 4. This
position shall be indicated in the test report (2).

5.1.3.

The result of this test shall be considered satisfactory if the conditions set out in paragraphs 5.2 and
5.3 below are satisfied.

5.2.

Performance criteria

5.2.1.

The performance criteria, as determined for the collision test in accordance with the appendix to
annex 4 to this Regulation shall meet the following conditions:

5.2.1.1

the head performance criterion (HPC) shall be less than or equal to 1 000; when there is no head
contact, then the HPC shall not be measured or calculated but recorded as ‘No Head Contact.’

5.2.1.2.

the thorax performance criteria shall be:

(a) Rib Deflection Criterion (RDC) less than or equal to 42 mm;

(b)

Soft Tissue Criterion (VC) less or equal to 1,0 m/sec.

For a transitional period of two years after the date specified in paragraph 10.2. of this Regulation
the V * C value is not a pass/fail criterion for the approval testing, but this value has to be recorded in
the test report and to be collected by the approval authorities. After this transitional period, the VC
value of 1,0 m/sec shall apply as a pass/fail criterion unless the Contracting Parties applying this
Regulation decide otherwise.

5.2.1.3.

the pelvis performance criterion shall be:

Pubic Symphysis Peak Force (PSPF) less than or equal to 6 kN.

5.2.1.4.

the abdomen performance criterion shall be:

Abdominal Peak Force (APF) less than or equal to 2,5 kN internal force (equivalent to external force
of 4,5 kN).

5.3.

Particular requirements

5.3.1.

No door shall open during the test.

5.3.2.

After the impact, it shall be possible without the use of tools to:

5.3.2.1. open a sufficient number of doors provided for normal entry and exit of passengers, and if necessary

tilt the seat-backs or seats to allow evacuation of all occupants;

5.3.2.2.

release the dummy from the protective system;

(2) Until 30 September 2000, for the purposes of the test requirements, the range of normal longitudinal adjustments shall

be limited such that the H-point lies within the length of the door aperture.

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5.3.2.3.

remove the dummy from the vehicle;

5.3.3.

no interior device or component shall become detached in such a way as noticeably to increase the
risk of injury from sharp projections or jagged edges;

5.3.4.

ruptures, resulting from permanent deformation are acceptable, provided these do not increase the
risk of injury;

5.3.5.

if there is continuous leakage of liquid from the fuel-feed installation after the collision, the rate of
leakage shall not exceed 30 g/min; if the liquid from the fuel-feed system mixes with liquids from the
other systems and the various liquids cannot easily be separated and identified, all the liquids
collected shall be taken into account in evaluating the continuous leakage.

6.

6.1.

MODIFICATION OF THE VEHICLE TYPE

Any modification affecting the structure, the number and type of seats, the interior trim or fittings,
or the position of the vehicle controls or of mechanical parts which might affect the energy-
absorption capacity of the side of the vehicle, shall be brought to the notice of the administrative
department granting approval. The department may then either:

6.1.1.

consider that the modifications made are unlikely to have an appreciable adverse effect and that in
any case the vehicle still complies with the requirements, or

6.1.2.

require a further test report from the technical service responsible for conducting the tests;

6.1.2.1. Any modification of the vehicle affecting the general form of the structure of the vehicle or any
variation in the reference mass greater than 8 per cent which in the judgement of the authority
would have a marked influence on the results of the test shall require a repetition of the test as
described in annex 4.

6.1.2.2.

6.2.

6.3.

the technical

service, after consultation with the vehicle manufacturer, considers

If
that
modifications to a vehicle type are insufficient to warrant a complete retest then a partial test
may be used. This would be the case if the reference mass is not more than 8 per cent different from
the original vehicle or the number of front seats is unchanged. Variations of seat type or interior
fittings need not automatically entail a full retest. An example of the approach to this problem is
given in annex 8.

Confirmation or refusal of approval, specifying the alteration, shall be communicated by the
procedure specified in paragraph 4.4 above to the Parties to the Agreement which apply this
Regulation.

The competent authority issuing an extension of approval shall assign a series number to each
communication form drawn up for such an extension.

7.

CONFORMITY OF PRODUCTION

The conformity of production procedures shall comply with those set out in the Agreement,
Appendix 2 (E/ECE/324-E/ECE/TRANS/505/Rev.2), with the following requirements:

Every vehicle approved under this Regulation shall be so manufactured as to conform to the type
approved by meeting the requirements set out in paragraph 5 above.

The holder of the approval shall ensure that for each type of vehicle at least the tests concerning the
taking of measurements are carried out.

The authority which has granted type approval may at any time verify the conformity control
methods applied in each production facility. The normal frequency of these verifications shall be
once every two years.

7.1.

7.2.

7.3.

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8.

8.1.

8.2.

PENALTIES FOR NON-CONFORMITY OF PRODUCTION

The approval granted in respect of a vehicle type, pursuant to this Regulation, may be withdrawn if
the requirement laid down in paragraph 7.1 above is not complied with, or if the vehicle or vehicles
selected have failed to pass the checks prescribed in paragraph 7.2 above.

If a Contracting Party to the Agreement applying this Regulation withdraws an approval it has
previously granted, it shall forthwith so notify the other Contracting Parties applying this Regulation
by means of a communication form conforming to the model in annex 1 to this Regulation.

9.

PRODUCTION DEFINITELY DISCONTINUED

If the holder of the approval completely ceases to manufacture a type of vehicle approved in
accordance with this Regulation, he shall so inform the authority which granted the approval. Upon
receiving the relevant communication that authority shall inform thereof the other Parties to the
1958 Agreement applying this Regulation by means of a communication form conforming to the
model in annex 1 to this Regulation.

10.

TRANSITIONAL PROVISIONS

10.1.

10.2.

10.3.

10.4.

10.5.

As from the official date of entry into force of Supplement 1 to the 02 series of amendments, no
Contracting Party applying this Regulation shall refuse to grant ECE approval under this Regulation
as amended by Supplement 1 to the 02 series of amendments.

As from 12 months after the entry into force of the 02 series of amendments Contracting Parties
applying this Regulation shall grant ECE approvals only to those types of vehicles which comply
with the requirements of this Regulation as amended by the 02 series of amendments.

As from 60 months after the entry into service of the 02 series of amendments Contracting Parties
applying this Regulation may refuse first national registration (first entry into service) of vehicles
which do not meet the requirements of this Regulation as amended by the 02 series of amendments.

As from 36 months after the entry into force of Supplement 1 to the 02 series of amendments
Contracting Parties applying this Regulation shall grant ECE approvals only to those types of vehicles
which comply with the requirements of this Regulation. as amended by Supplement 1 to the 02
series of amendments.

As from 84 months after the entry into force of Supplement 1 to the 02 series of amendments
Contracting Parties applying this Regulation may refuse first national registration (first entry into
this regulation as amended by
service) of vehicles which do not meet the requirements of
Supplement 1 to the 02 series of amendments.

11.

NAMES AND ADDRESSES OF TECHNICAL SERVICES RESPONSIBLE FOR CONDUCTING APPROVAL TESTS,
AND OF ADMINISTRATIVE DEPARTMENTS

The Contracting Parties to the Agreement applying this Regulation shall communicate to the United
Nations secretariat the names and addresses of the technical services responsible for conducting
approval tests, and of the administrative departments which grant approval and to which forms
certifying approval or extension, or refusal or withdrawal of approval, issued in other countries, are
to be sent.

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ANNEX 1

(maximum format: A4 (210 × 297 mm))

COMMUNICATION

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ANNEX 2

ARRANGEMENTS OF THE APPROVAL MARK

Model A

(See paragraph 4.5 of this Regulation)

The above approval mark affixed to a vehicle shows that the vehicle type concerned has, with regard to the protection of the
occupants in the event of a lateral collision, been approved in the Netherlands (E4) pursuant to Regulation No 95. The
approval number indicates that the approval was granted in accordance with the requirements of Regulation No 95 as
amended by the 01 series of amendments.

a = 8 mm min

Model B

(See paragraph 4.6. of this Regulation)

The above approval mark affixed to a vehicle shows that the vehicle type concerned has been approved in the Netherlands
(E4) pursuant to Regulations Nos 95 and 24 (*). (In the case of the latter Regulation, the additional symbol which follows the
Regulation number indicates that the corrected absorption co-efficient is 1,30 m-1). The first two approval numbers indicate
that at the date when the respective approvals were granted, Regulation No 95 incorporated the 01 series of amendments
and Regulation No 24 incorporated the 03 series of amendments.

a = 8 mm min

(*) The latter number is given only as an example.

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ANNEX 3

PROCEDURE FOR DETERMINING THE ‘H’ POINT AND THE ACTUAL TORSO ANGLE FOR SEATING
POSITIONS IN MOTOR VEHICLES

1.

PURPOSE

The procedure described in this annex is used to establish the ‘H’ point location and the actual torso angle for one
or several seating positions in a motor vehicle and to verify the relationship of measured data to design
specifications given by the vehicle manufacturer (1).

2.

DEFINITIONS

For the purposes of this annex:

2.1.

‘Reference data’ means one or several of the following characteristics of a seating position:

2.1.1.

the ‘H’ point and the ‘R’ point and their relationship,

2.1.2.

the actual torso angle and the design torso angle and their relationship.

2.2.

2.3.

‘Three-dimensional “H” point machine’ (3-D H machine) means the device used for the determination of ‘H’ points
and actual torso angles. This device is described in appendix 1 to this annex;

‘“H” point’ means the pivot centre of the torso and the thigh of the 3-D H machine installed in the vehicle seat in
accordance with paragraph 4 below. The ‘H’ point is located in the centre of the centreline of the device which is
between the ‘H’ point sight buttons on either side of the 3-D H machine. The ‘H’ point corresponds theoretically to
the ‘R’ point (for tolerances see paragraph 3.2.2. below). Once determined in accordance with the procedure
described in paragraph 4, the ‘H’ point is considered fixed in relation to the seat-cushion structure and to move
with it when the seat is adjusted;

2.4.

‘“R” point’ or ‘seating reference point’ means a design point defined by the vehicle manufacturer for each seating
position and established with respect to the three-dimensional reference system;

2.5.

‘Torso-line’ means the centreline of the probe of the 3-D H machine with the probe in the fully rearward position;

2.6.

2.7.

2.8.

‘Actual torso angle’ means the angle measured between a vertical line through the ‘H’ point and the torso line using
the back angle quadrant on the 3-D H machine. The actual torso angle corresponds theoretically to the design
torso angle (for tolerances see paragraph 3.2.2. below):

‘Design torso angle’ means the angle measures between a vertical line through the ‘R’ point and the torso line in a
position which corresponds to the design position of the seat-back established by the vehicle manufacturer;

‘Centreplane of occupant’ (C/LO) means the median plane of the 3-D H machine positioned in each designated
seating position; it is represented by the co-ordinate of the ‘H’ point on the ‘Y’ axis. For individual seats, the
centreplane of the seat coincides with the centreplane of the occupant. For other seats, the centreplane of the
occupant is specified by the manufacturer;

2.9.

‘Three-dimensional reference system’ means a system as described in appendix 2 to this annex;

2.10.

‘Fiducial marks’ are physical points (holes, surfaces, marks or indentations) on the vehicle body as defined by the
manufacturer;

2.11.

‘Vehicle measuring attitude’ means the position of the vehicle as defined by the co-ordinates of fiducial marks in
the three-dimensional reference system.

(1)

In any seating position other than front seats where the ‘H’ point cannot be determined using the ‘Three-dimensional “H” point machine’
or procedures, the ‘R’ point indicated by the manufacturer may be taken as a reference at the discretion of the competent authority.

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3.

REQUIREMENTS

3.1.

Data presentation

For each seating position where reference data are required in order to demonstrate compliance with the
provisions of the present Regulation, all or an appropriate selection of the following data shall be presented in the
form indicated in Appendix 3 to this annex:

3.1.1.

the co-ordinates of the ‘R’ point relative to the three-dimensional reference system;

3.1.2.

the design torso angle;

3.1.3.

all indications necessary to adjust the seat (if it is adjustable) to the measuring position set out in paragraph 4.3
below.

3.2.

Relationship between measured data and design specifications

3.2.1.

3.2.2.

The co-ordinates of the ‘H’ point and the value of the actual torso angle obtained by the procedure set out in
paragraph 4 below shall be compared, respectively, with the co-ordinates of the ‘R’ point and the value of the
design torso angle indicated by the vehicle manufacturer.

The relative positions of the ‘R’ point and the ‘H’ point and the relationship between the design torso angle and the
actual torso angle shall be considered satisfactory for the seating position in question if the ‘H’ point, as defined by
its co-ordinates, lies within a square of 50 mm side length with horizontal and vertical sides whose diagonals
intersect at the ‘R’ point, and if the actual torso angle is within 5o of the design torso angle.

3.2.3.

If these conditions are met, the ‘R’ point and the design torso angle, shall be used to demonstrate compliance with
the provisions of this Regulation.

3.2.4.

3.2.5.

4.

4.1.

If the ‘H’ point or the actual torso angle does not satisfy the requirements of paragraph 3.2.2 above, the ‘H’ point
and the actual torso angle shall be determined twice more (three times in all). If the results of two of these three
operations satisfy the requirements, the conditions of paragraph 3.2.3 above shall apply.

If the results of at least two of the three operations described in paragraph 3.2.4. above do not satisfy the
requirements of paragraph 3.2.2 above, or if the verification cannot take place because the vehicle manufacturer
has failed to supply information regarding the position of the ‘R’ point or regarding the design torso angle, the
centroid of the three measured points or the average of the three measured angles shall be used and be regarded as
applicable in all cases where the ‘R’ point or the design torso angle is referred to in this Regulation.

PROCEDURE FOR ‘H’ POINT AND ACTUAL TORSO ANGLE DETERMINATION

The vehicle shall be preconditioned at the manufacturer's discretion, at a temperature of 20 ± 10 oC to ensure that
the seat material reached room temperature. If the seat to be checked has never been sat upon, a 70 to 80 kg
person or device shall sit on the seat twice for one minute to flex the cushion and back. At the manufacturer's
request, all seat assemblies shall remain unloaded for a minimum period of 30 min prior to installation of the
3-D H machine.

4.2.

The vehicle shall be at the measuring attitude defined in paragraph 2.11 above.

4.3.

4.4.

The seat, if it is adjustable, shall be adjusted first to the rearmost normal driving or riding position, as indicated by
the vehicle manufacturer, taking into consideration only the longitudinal adjustment of the seat, excluding seat
travel used for purposes other than normal driving or riding positions. Where other modes of seat adjustment
exist (vertical, angular, seat-back, etc.) these will then be adjusted to the position specified by the vehicle
manufacturer. For suspension seats, the vertical position shall be rigidly fixed corresponding to a normal driving
position as specified by the manufacturer.

The area of the seating position contacted by the 3-D H machine shall be covered by a muslin cotton, of sufficient
size and appropriate texture, described as a plain cotton fabric having 18,9 threads per cm2 and weighing
0,228 kg/m2 or knitted or non-woven fabric having equivalent characteristics. If the test is run on a seat outside
the vehicle, the floor on which the seat is placed shall have the same essential characteristics (2) as the floor of the
vehicle in which the seat is intended to be used.

(2) Tilt angle, height difference with a seat mounting, surface texture, etc.

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4.5.

4.6.

Place the seat and back assembly of the 3-D H machine so that the centreplane of the occupant (C/LO) coincides
with the centreplane of the 3-D H machine. At the manufacturer's request, the 3-D H machine may be moved
inboard with respect to the C/LO if the 3-D H machine is located so far outboard that the seat edge will not permit
levelling of the 3-D H machine.

Attach the foot and lower leg assemblies to the seat pan assembly, either individually or by using the T-bar and
lower leg assembly. A line through the ‘H’ point sight buttons shall be parallel to the ground and perpendicular to
the longitudinal centreplane of the seat.

4.7.

Adjust the feet and leg positions of the 3-D H machine as follows:

4.7.1. Designated seating position: driver and outside front passenger

4.7.1.1. Both feet and leg assemblies shall be moved forward in such a way that the feet take up natural positions on the
floor, between the operating pedals if necessary. Where possible the left foot shall be located approximately the
same distance to the left of the centreplane of the 3-D H machine as the right foot is to the right. The spirit level
verifying the transverse orientation of the 3-D H machine is brought to the horizontal by readjustment of the seat
pan if necessary, or by adjusting the leg and foot assemblies towards the rear. The line passing through the ‘H’ point
sight buttons shall be maintained perpendicular to the longitudinal centreplane of the seat.

4.7.1.2.

If the left leg cannot be kept parallel to the right leg and the left foot cannot be supported by the structure, move
the left foot until it is supported. The alignment of the sight buttons shall be maintained.

4.7.2. Designated seating position: outboard rear

For rear seats or auxiliary seats, the legs are located as specified by the manufacturer. If the feet then rest on parts of
the floor which are at different levels, the foot which first comes into contact with the front seat shall serve as a
reference and the other foot shall be so arranged that the spirit level giving the transverse orientation of the seat of
the device indicates the horizontal.

4.7.3.

Other designated seating positions:

The general procedure indicated in paragraph 4.7.1 above shall be followed except that the feet shall be placed as
specified by the vehicle manufacturer.

4.8.

Apply lower leg and thigh weights and level the 3-D H machine.

4.9.

Tilt the back pan forward against the forward stop and draw the 3-D H machine away from the seat-back using the
T-bar. Reposition the 3-D H machine on the seat by one of the following methods:

4.9.1.

If the 3-D H machine tends to slide rearward, use the following procedure. Allow the 3-D H machine to slide
rearward until a forward horizontal restraining load on the T-bar is no longer required i.e. until the seat pan
contacts the seat-back. If necessary, reposition the lower leg.

4.9.2.

If the 3-D H machine does not tend to slide rearward, use the following procedure. Slide the 3-D H machine
rearwards by applying a horizontal rearward load to the T-bar until the seat pan contacts the seat-back (see Figure
2 of Appendix 1 to this Annex).

4.10.

Apply a 100 ± 10 N load to the back and pan assembly of the 3-D H machine at the intersection of the hip angle
quadrant and the T-bar housing. The direction of load application shall be maintained along a line passing by the
above intersection to a point just above the thigh bar housing (see figure 2 of appendix 1 to this annex). Then
carefully return the back pan to the seat-back. Care must be exercised throughout the remainder of the procedure
to prevent the 3-D H machine from sliding forward.

4.11.

Install the right and left buttock weights and then, alternately, the eight torso weights.

Maintain the 3-D H machine level.

4.12.

Tilt the back pan forward to release the tension on the seat-back. Rock the 3-D H machine from side to side
through a 10o arc (5o to each side of the vertical centreplane) for three complete cycles to release any accumulated
friction between the 3-D H machine and the seat.

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During the rocking action, the T-bar of the 3-D H machine may tend to diverge from the specified horizontal and
vertical alignment. The T-bar must therefore be restrained by applying an appropriate lateral load during the
rocking motions. Care shall be exercised in holding the T-bar and rocking the 3-D H machine to ensure that no
inadvertent exterior loads are applied in a vertical or fore and aft direction.

The feet of the 3-D H machine are not to be restrained or held during this step. If the feet change position, they
should be allowed to remain in that attitude for the moment.

Carefully return the back pan to the seat-back and check the two spirits levels for zero position. If any movement
of the feet has occurred during the rocking operation of the 3-D H machine, they must be repositioned as follows:

Alternately, lift each foot off the floor the minimum necessary amount until no additional foot movement is
obtained. During this lifting, the feet are to be free to rotate; and no forward or lateral loads are to be applied.
When each foot is placed back in the down position, the heel is to be in contact with the structure designed for
this.

Check the lateral spirit level for zero position; if necessary, apply a lateral load to the top of the back pan sufficient
to level the 3-D H machine's seat pan on the seat.

4.13.

Holding the T-bar to prevent the 3-D H machine from sliding forward on the seat cushion, proceed as follows:

(a)

return the back pan to the seat-back;

(b)

alternately apply and release a horizontal rearward load, not to exceed 25 N, to the back angle bar at a height
approximately at the centre of the torso weights until the hip angle quadrant indicates that a stable position
has been reached after load release. Care shall be exercised to ensure that no exterior downward or lateral
loads are applied to the 3-D H machine. If another level adjustment of the 3-D H machine is necessary, rotate
the back pan forward, re-level, and repeat the procedure from paragraph 4.12.

4.14.

Take all measurements:

4.14.1. The co-ordinates of the ‘H’ point are measured with respect to the three-dimensional reference system.

4.14.2. The actual torso angle is read at the back angle quadrant of the 3-D H machine with the probe in its fully rearward

position.

4.15.

4.16.

If a re-run of the installation of the 3-D H machine is desired, the seat assembly should remain unloaded for a
minimum period of 30 min prior to the re-run. The 3-D H machine should not be left loaded on the seat assembly
longer than the time required to perform the test.

If the seats in the same row can be regarded as similar (bench seat, identical seats, etc.) only one ‘H’ point and one
‘actual torso angle’ shall be determined for each row of seats, the 3-D H machine described in Appendix 1 to this
annex being seated in a place regarded as representative for the row. This place shall be:

4.16.1.

in the case of the front row, the driver's seat;

4.16.2.

in the case of the rear row or rows, an outer seat.

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Appendix 1

DESCRIPTION OF THE THREE DIMENSIONAL ‘H’ POINT MACHINE (*)

(3-D H machine)

1.

BACK AND SEAT PANS

The back and seat pans are constructed of reinforced plastic and metal; they simulate the human torso and thigh and
are mechanically hinged at the ‘H’ point. A quadrant is fastened to the probe hinged at the ‘H’ point to measure the
actual torso angle. An adjustable thigh bar, attached to the seat pan, establishes the thigh centreline and serves as a
baseline for the hip angle quadrant.

2.

BODY AND LEG ELEMENTS

Lower leg segments are connected to the seat pan assembly at the T-bar joining the knees, which is a lateral extension
of the adjustable thigh bar. Quadrants are incorporated in the lower leg segments to measure knee angles. Shoe and
foot assemblies are calibrated to measure the foot angle. Two spirit levels orient the device in space. Body element
weights are placed at the corresponding centres of gravity to provide seat penetration equivalent to a 76 kg male. All
joints of the 3-D H machine should be checked for free movement without encountering noticeable friction.

Figure 1

3-D H machine elements designation

(*)

For details of the construction of the 3-D H machine refer to Society of Automobile Engineers (SAE), 400 Commonwealth Drive,
Warrendale, Pennsylvania 15096, United States of America.
The machine corresponds to that described in ISO Standard 6549-1980.

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Figure 2

Dimensions of the 3-D H machine elements and load distribution

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Appendix 2

THREE-DIMENSIONAL REFERENCE SYSTEM

1.

2.

3.

The three-dimensional reference system is defined by three orthogonal planes established by the vehicle manufacturer
(see figure). (*)

The vehicle measuring attitude is established by positioning the vehicle on the supporting surface such that the co-
ordinates of the fiducial marks correspond to the values indicated by the manufacturer.

The co-ordinates of the ‘R’ point and the ‘H’ point are established in relation to the fiducial marks defined by the
vehicle manufacturer.

Figure

Three-dimensional reference system

(*) The reference system corresponds to ISO standard 4130:1978.

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Appendix 3

REFERENCE DATA CONCERNING SEATING POSITIONS

1.

CODING OF REFERENCE DATA

Reference data are listed consecutively for each seating position. Seating positions are identified by a two-digit code.
The first digit is an Arabic numeral and designates the row of seats, counting from the front to the rear of the
vehicle. The second digit is a capital letter which designates the location of the seating position in a row, as viewed in
the direction of forward motion of the vehicle; the following letters shall be used:

L = left
C = centre
R = right

2.

DESCRIPTION OF VEHICLE MEASURING ATTITUDE

2.1.

Co-ordinates of fiducial marks

X …………………………

Y …………………………

Z …………………………

3.

LIST OF REFERENCE DATA

3.1.

Seating position: …………………………

3.1.1. Co-ordinates of ‘R’ point

X …………………………

Y …………………………

Z …………………………

3.1.2. Design torso angle: …………………………

3.1.3. Specifications for seat adjustment (*)

horizontal: …………………………

vertical: …………………………

angular: …………………………

torso angle: …………………………

Note: List reference data for further seating positions under 3.2, 3.3, etc.

(*)

Strike out what does not apply.

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ANNEX 4

COLLISION TEST PROCEDURE

1.

INSTALLATIONS

1.1.

Testing ground

The test area shall be large enough to accommodate the mobile deformable barrier propulsion system and to
permit after-impact displacement of the vehicle impacted and installation of the test equipment. The part in which
vehicle impact and displacement occur shall be horizontal, flat and uncontaminated, and representative of a
normal, dry, uncontaminated road surface.

2.

TEST CONDITIONS

2.1.

The vehicle to be tested shall be stationary.

2.2.

2.3.

2.4.

The mobile deformable barrier shall have the characteristics set out in annex 5 to this Regulation. Requirements for
the examination are given in the appendix to annex 5. The mobile deformable barrier shall be equipped with a
suitable device to prevent a second impact on the struck vehicle.

The trajectory of the mobile deformable barrier longitudinal median vertical plane shall be perpendicular to the
longitudinal median vertical plane of the impacted vehicle.

The longitudinal vertical median plane of the mobile deformable barrier shall be coincident within ± 25 mm with
a transverse vertical plane passing through the R point of the front seat adjacent to the struck side of the tested
vehicle. The horizontal median plane limited by the external lateral vertical planes of the front face shall be at the
moment of impact within two planes determined before the test and situated 25 mm above and below the
previously defined plane.

2.5.

Instrumentation shall comply with ISO 6487:1987 unless otherwise specified in this Regulation.

2.6.

The stabilized temperature of the test dummy at the time of the side impact test shall be 22 ± 4 oC.

3.

TEST SPEED

The mobile deformable barrier speed at the moment of impact shall be 50 ± 1 km/h. This speed shall be stabilized
at least 0,5 m before impact. Accuracy of measurement: 1 per cent. However, if the test was performed at a higher
impact speed and the vehicle met the requirements, the test shall be considered satisfactory.

4.

STATE OF THE VEHICLE

4.1.

General specification

The test vehicle shall be representative of the series production, shall include all the equipment normally fitted and
shall be in normal running order. Some components may be omitted or replaced by equivalent masses where this
omission or substitution clearly has no effect on the results of the test.

4.2.

Vehicle equipment specification

The test vehicle shall have all the optional arrangements or fittings likely to influence the results of the test.

4.3.

Mass of the vehicle

4.3.1.

The vehicle to be tested shall have the reference mass as defined in paragraph 2.10. of this Regulation. The mass of
the vehicle shall be adjusted to ± 1 per cent of the reference mass.

4.3.2.

The fuel tank shall be filled with water to a mass equal to 90 per cent of the mass of a full load of fuel as specified
by the manufacturer.

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4.3.3.

All the other systems (brake, cooling, etc.) may be empty; in this case, the mass of the liquids shall be offset.

4.3.4.

If the mass of the measuring apparatus on board of the vehicle exceeds the 25 kg allowed, it may be offset by
reductions which have no noticeable effect on the results of the test.

4.3.5.

The mass of the measuring apparatus shall not change each axle reference load by more than 5 per cent, each
variation not exceeding 20 kg.

5.

PREPARATION OF THE VEHICLE

5.1.

The side windows at least on the struck side shall be closed.

5.2.

The doors shall be closed, but not locked.

5.3.

The transmission shall be placed in neutral and the parking brake disengaged.

5.4.

The comfort adjustments of the seats, if any, shall be adjusted to the position specified by the vehicle manufacturer.

5.5.

The seat containing the dummy, and its elements, if adjustable, shall be adjusted as follows:

5.5.1.

The longitudinal adjustment device shall be placed with the locking device engaged in the position that is nearest
to midway between the foremost and rearmost positions; if this position is between two notches, the rearmost
notch shall be used.

5.5.2.

The head restraint shall be adjusted such that its top surface is level with the centre of gravity of the dummy's head;
if this is not possible, the head restraint shall be in the uppermost position.

5.5.3.

Unless otherwise specified by the manufacturer, the seat-back shall be set such that the torso reference line of the
three-dimensional H point machine is set at an angle of 25 ± 1o towards the rear.

5.5.4.

All other seat adjustments shall be at the mid-point of available travel; however, height adjustment shall be at the
position corresponding to the fixed seat, if the vehicle type is available with adjustable and fixed seats. If locking
positions are not available at the respective mid-points of travel, the positions immediately rearward, down, or
outboard of the mid-points shall be used. For rotational adjustments (tilt), rearward will be the adjustment
direction which moves the head of the dummy rearwards. If the dummy protrudes outside the normal passenger
volume, e.g. head into roof lining, then 1 cm clearance will be provided using: secondary adjustments, seat-back
angle, or fore-aft adjustment in that order.

5.6.

Unless otherwise specified by the manufacturer, the other front seats shall, if possible, be adjusted to the same
position as the seat containing the dummy.

5.7.

If the steering wheel is adjustable, all adjustments are positioned to their mid-travel locations.

5.8.

Tyres shall be inflated to the pressure specified by the vehicle manufacturer.

5.9.

The test vehicle shall be set horizontal about its roll axis and maintained by supports in that position until the side
impact dummy is in place and after all preparatory work is complete.

5.10.

The vehicle shall be at its normal attitude corresponding to the conditions set out in paragraph 4.3 above. Vehicles
with suspension enabling their ground clearance to be adjusted shall be tested under the normal conditions of use
at 50 km/h as defined by the vehicle manufacturer. This shall be assured by means of additional supports, if
necessary, but such supports shall have no influence on the crash behaviour of the test vehicle during the impact.

6.

SIDE IMPACT DUMMY AND ITS INSTALLATION

6.1.

The side impact dummy shall comply with the specifications given in annex 6 and be installed in the front seat on
the impact side according to the procedure given in annex 7 to this Regulation.

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6.2.

6.3.

The safety-belts or other restraint systems, which are specified for the vehicle, shall be used. Belts should be of an
approved type, conforming to Regulation No 16 or to other equivalent requirements and mounted on anchorages
conforming to Regulation No 14 or to other equivalent requirements.

The safety-belt or restraint system shall be adjusted to fit the dummy in accordance with the manufacturer's
instructions; if there are no manufacturer's instructions, the height adjustment shall be set at middle position; if
this position is not available, the position immediately below shall be used.

7.

MEASUREMENTS TO BE MADE ON THE SIDE IMPACT DUMMY

7.1.

The readings of the following measuring devices are to be recorded.

7.1.1. Measurements in the head of the dummy

The resultant triaxial acceleration referring to the head centre of gravity. The head channel instrumentation shall
comply with ISO 6487:1987 with:

CFC: 1 000 Hz, and
CAC: 150 g

7.1.2. Measurements in the thorax of the dummy

The three thorax rib deflection channels shall comply with ISO 6487:1987

CFC: 1 000 Hz
CAC: 60 mm

7.1.3. Measurements in the pelvis of the dummy

The pelvis force channel shall comply with ISO 6487:1987

CFC: 1 000 Hz
CAC: 15 kN

7.1.4. Measurements in the abdomen of the dummy

The abdomen force channels shall comply with ISO 6487:1987

CFC: 1 000 Hz
CAC: 5 kN

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Appendix 1

DETERMINATION OF PERFORMANCE DATA

The required results of the tests are specified in paragraph 5.2 of this Regulation.

1.

HEAD PERFORMANCE CRITERION (HPC)

When head contact takes place, this performance criterion is calculated for the total duration between the initial
contact and the last instant of the final contact.

HPC is the maximum value of the expression:

ð

t2 − t1

Þ

(cid:18)

1
t2 − t1

t2
t1

∫

(cid:19)2,5

a dt

where a is the resultant acceleration at the centre of gravity of the head in metres per second per second divided by
9,81 recorded versus time and filtered at channel frequency class 1 000 Hz; t1 and t2 are any two times between the
initial contact and the last instant of the final contact.

2.

THORAX PERFORMANCE CRITERIA

2.1.

Chest deflection: the peak chest deflection is the maximum value of deflection on any rib as determined by the
thorax displacement transducers, filtered at channel frequency class 180 Hz.

2.2. Viscous criterion: the peak viscous response is the maximum value of VC on any rib which is calculated from the
instantaneous product of the relative thorax compression related to the half thorax and the velocity of compression
derived by differentiation of the compression, filtered at channel frequency class 180 Hz. For the purposes of this
calculation the standard width of the half thorax rib cage is 140 mm.

VC ¼ max

(cid:20)

D
0,14

(cid:21)

dD
:
dt

where D (metres) = rib deflection

The calculation algorithm to be used is set out in Annex 4, Appendix 2.

3.

ABDOMEN PROTECTION CRITERION

The peak abdominal force is the maximum value of the sum of the three forces measured by transducers mounted
39 mm below the surface on the crash side, CFC 600 Hz.

4.

PELVIS PERFORMANCE CRITERION

The pubic symphisis peak force (PSPF) is the maximum force measured by a load cell at the pubic symphysis of the
pelvis, filtered at channel frequency class 600 Hz.

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THE PROCEDURE FOR CALCULATING THE VISCOUS CRITERION FOR EUROSID 1

Appendix 2

The Viscous Criterion, VC, is calculated as the instantaneous product of the compression and the rate of deflection of the
rib. Both are derived from the measurement of rib deflection. The rib deflection response is filtered once at Channel
Frequency Class 180. The compression at time (t) is calculated as the deflection from this filtered signal expressed as the
proportion of the half width of the EUROSID 1 chest, measured at the metal ribs (0,14 metres):

The rib deflection velocity at time (t) is calculated from the filtered deflection as:

CðtÞ ¼

DðtÞ
0,14

(cid:2)

8 D tþ1
ð

VðtÞ ¼

(cid:3)

(cid:2)

− D tþ2ð

Þ − D t − 1
Þ
ð
12∂t

(cid:3)

Þ − D t − 2
Þ
ð

where D(t) is the deflection at time (t) in metres and ∂t is the time interval in seconds between the measurements of
deflection. The maximum value of ∂t shall be 1,25 × 10-4 seconds.

This calculation procedure is shown diagrammatically below:

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ANNEX 5

MOBILE DEFORMABLE BARRIER CHARACTERISTICS

CHARACTERISTICS OF THE MOBILE DEFORMABLE BARRIER

The mobile deformable barrier (MDB) includes both an impactor and a trolley.

The total mass shall be 950 ± 20 kg.

The centre of gravity shall be situated in the longitudinal median vertical plane within 10 mm, 1 000 ± 30 mm
behind the front axle and 500 ± 30 mm above the ground.

The distance between the front face of the impactor and the centre of gravity of the barrier shall be 2 000
± 30 mm.

The ground clearance of the impactor shall be 300 ± 5 mm measured in static conditions from the lower edge of
the lower front plate, before the impact.

The front and rear track width of the trolley shall be 1 500 ± 10 mm.

The wheelbase of the trolley shall be 3 000 ± 10 mm.

1.

1.1.

1.2.

1.3.

1.4.

1.5.

1.6.

1.7.

2.

CHARACTERISTICS OF THE IMPACTOR

The impactor consists of six single blocks of aluminium honeycomb, which have been processed in order to give
a progressively increasing level of force with increasing deflection (see paragraph 2.1). Front and rear aluminium
plates are attached to the aluminium honeycomb blocks.

2.1.

Honeycomb blocks

2.1.1.

Geometrical characteristics

2.1.1.1.

The impactor consists of 6 joined zones whose forms and positioning are shown in Figures 1 and 2. The zones
are defined as 500 ± 5 mm × 250 ± 3 mm in figures 1 and 2. The 500 mm should be in the W direction and the
250 mm in the L direction of the aluminium honeycomb construction (see Figure 3).

2.1.1.2.

The impactor is divided into 2 rows. The lower row shall be 250 ± 3 mm high, and 500 ± 2 mm deep after pre-
crush (see paragraph 2.1.2), and deeper than the upper row by 60 ± 2 mm.

2.1.1.3.

The blocks must be centred on the six zones defined in figure 1 and each block (including incomplete cells)
should cover completely the area defined for each zone).

2.1.2.

Pre-crush

2.1.2.1.

The pre-crush shall be performed on the surface of the honeycomb to which the front sheets are attached.

2.1.2.2.

Blocks 1, 2 and 3 should be crushed by 10 ± 2 mm on the top surface prior to testing to give a depth of 500
± 2 mm (Figure 2).

2.1.2.3.

Blocks 4, 5 and 6 should be crushed by 10 ± 2 mm on the top surface prior to testing to give a depth of 440
± 2 mm.

2.1.3.

Material characteristics

2.1.3.1.

The cell dimensions shall be 19 mm ± 10 per cent for each block (see Figure 4).

2.1.3.2.

The cells must be made of 3003 aluminium for the upper row.

2.1.3.3.

The cells must be made of 5052 aluminium for the lower row.

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2.1.3.4.

The aluminium honeycomb blocks should be processed such that the force deflection-curve when statically
crushed (according to the procedure defined in paragraph 2.1.4.) is within the corridors defined for each of the
six blocks in appendix 1 to this annex. Moreover, the processed honeycomb material used in the honeycomb
blocks to be used for constructing the barrier, should be cleaned in order to remove any residue that may have
been produced during the processing of the raw honeycomb material.

2.1.3.5.

The mass of the blocks in each batch shall not differ by more than 5 per cent of the mean block mass for that
batch.

2.1.4.

Static tests

2.1.4.1.

A sample taken from each batch of processed honeycomb core shall be tested according to the static test
procedure described in paragraph 5.

2.1.4.2.

The force-compression for each block tested shall lie within the force deflection corridors defined in Appendix 1.
Static force-deflection corridors are defined for each block of the barrier.

2.1.5.

Dynamic test

2.1.5.1.

The dynamic deformation characteristics, when impacted according to the protocol described in paragraph 6.

2.1.5.2.

Deviation from the limits of the force-deflection corridors characterising the rigidity of the impactor — as
defined in Appendix 2 — may be allowed provided that:

2.1.5.2.1.

the deviation occurs after the beginning of the impact and before the deformation of the impactor is equal to
150 mm;

2.1.5.2.2.

the deviation does not exceed 50 per cent of the nearest instantaneous prescribed limit of the corridor;

2.1.5.2.3. each deflection corresponding to each deviation does not exceed 35 mm of deflection, and the sum of these

deflections does not exceed 70 mm (see Appendix 2 to this annex);

2.1.5.2.4.

the sum of energy derived from deviating outside the corridor does not exceed 5 per cent of the gross energy for
that block.

2.1.5.3.

Blocks 1 and 3 are identical. Their rigidity is such that their force deflection curves fall between corridors of
Figure 2a.

2.1.5.4.

Blocks 5 and 6 are identical. Their rigidity is such that their force deflection curves fall between corridors of
Figure 2d.

2.1.5.5

The rigidity of block 2 is such that its force deflection curves fall between corridors of Figure 2b.

2.1.5.6.

The rigidity of block 4 is such that its force deflection curves fall between corridors of Figure 2c.

2.1.5.7.

The force-deflection of the impactor as a whole shall fall between corridors of figure 2e.

2.1.5.8.

The force-deflection curves shall be verified by a test detailed in annex 5, paragraph 6, consisting of an impact of
the barrier against a dynamometric wall at 35 ± 0,5 km/h.

2.1.5.9.

The dissipated energy (1) against blocks 1 and 3 during the test shall be equal to 9,5 ± 2 kJ for these blocks.

2.1.5.10. The dissipated energy against blocks 5 and 6 during the test shall be equal to 3,5 ± 1 kJ for these blocks.

2.1.5.11. The dissipated energy against block 4 shall be equal to 4 ± 1 kJ.

2.1.5.12. The dissipated energy against block 2 shall be equal to 15 ± 2 kJ.

2.1.5.13. The dissipated total energy during the impact shall be equal to 45 ± 3 kJ.

(1) The amounts of energy indicated are the amounts of energy dissipated by the system when the extent to which the impactor is crushed is

greatest.

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2.1.5.14. The maximum impactor deformation from the point of first contact, calculated from integration of the

accelerometers according to paragraph 6.6.3., shall be equal to 330 ± 20 mm.

2.1.5.15. The final residual static impactor deformation measured after the dynamic test at level B (figure 2) shall be equal

to 310 ± 20 mm.

2.2.

Front plates

2.2.1.

Geometrical characteristics

2.2.1.1.

The front plates are 1 500 ± 1 mm wide and 250 ± 1 mm high. The thickness is 0,5 ± 0,06 mm.

2.2.1.2. When assembled the overall dimensions of the impactor (defined in figure 2) shall be: 1 500 ± 2,5 mm wide and

500 ± 2,5 mm high.

2.2.1.3.

The upper edge of the lower front plate and the lower edge of the upper front plate should be aligned within
4 mm.

2.2.2.

Material characteristics

2.2.2.1.

The front plates are manufactured from aluminium of series AlMg2 to AlMg3 with elongation ≥ 12 per cent, and
a UTS ≥ 175 N/mm2.

2.3.

Back plate

2.3.1.

Geometric characteristics

2.3.1.1.

The geometric characteristics shall be according to figures 5 and 6.

2.3.2.

Material characteristics

2.3.2.1.

The back plate shall consist of a 3 mm aluminium sheet. The back plate shall be manufactured from aluminium
of series AlMg2 to AlMg3 with a hardness between 50 and 65 HBS. This plate shall be perforated with holes for
ventilation: the location, the diameter and pitch are shown in figures 5 and 7.

2.4.

Location of the honeycomb blocks

2.4.1.

The honeycomb blocks shall be centred on the perforated zone of the back plate (Figure 5).

2.5.

Bonding

2.5.1.

For both the front and the back plates, a maximum of 0,5 kg/m2 shall be applied evenly directly over the surface
of the front plate, giving a maximum film thickness of 0,5 mm. The adhesive to be used throughout should be a
two-part polyurethane {such as Ciba Geigy XB5090/1 resin with XB5304 hardener} or equivalent.

2.5.2.

For the back plate the minimum bonding strength shall be 0,6 MPa, (87 psi), tested according to paragraph 2.4.3.

2.5.3.

Bonding strength tests:

2.5.3.1.

Flatwise tensile testing is used to measure bond strength of adhesives according to ASTM C297-61.

2.5.3.2.

The test piece should be 100 mm × 100 mm, and 15 mm deep, bonded to a sample of the ventilated back plate
material. The honeycomb used should be representative of that in the impactor, i.e. chemically etched to an
equivalent degree as that near to the back plate in the barrier but without pre-crushing.

2.6.

Traceability

2.6.1.

Impactors shall carry consecutive serial numbers which are stamped, etched or otherwise permanently attached,
from which the batches for the individual blocks and the date of manufacture can be established

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2.7.

Impactor attachment

2.7.1.

The fitting on the trolley must be according to figure 8. The fitting will use six M8 bolts, and nothing shall be
larger than the dimensions of the barrier in front of the wheels of the trolley. Appropriate spacers must be used
between the lower back plate flange and the trolley face to avoid bowing of the back plate when the attachment
bolts are tightened.

3.

3.1.

VENTILATION SYSTEM

The interface between the trolley and the ventilation system should be solid, rigid and flat. The ventilation device
is part of the trolley and not of the impactor as supplied by the manufacturer. Geometrical characteristics of the
ventilation device shall be according to figure 9.

3.2.

Ventilation device mounting procedure.

3.2.1.

Mount the ventilation device to the front plate of the trolley;

3.2.2.

Ensure that a 0,5 mm thick gauge cannot be inserted between the ventilation device and the trolley face at any
point. If there is a gap greater than 0,5 mm, the ventilation frame will need to be replaced or adjusted to fit
without a gap of > 0,5 mm.

3.2.3.

Dismount the ventilation device from the front of the trolley;

3.2.4.

Fix a 1,0 mm thick layer of cork to the front face of the trolley;

3.2.5.

Re-mount the ventilation device to the front of the trolley and tighten to exclude air gaps.

4.

CONFORMITY OF PRODUCTION

The conformity of production procedures shall comply with those set out in the Agreement, Appendix 2 (E/ECE/
324-E/ECE/TRANS/505/Rev.2), with the following requirements:

4.1.

The manufacturer shall be responsible for the conformity of production procedures and for that purpose must in
particular:

4.1.1.

Ensure the existence of effective procedures so that the quality of the products can be inspected,

4.1.2.

Have access to the testing equipment needed to inspect the conformity of each product,

4.1.3.

4.1.4.

4.1.5.

Ensure that the test results are recorded and that the documents remain available for a time period of 10 years
after the tests,

Demonstrate that the samples tested are a reliable measure of the performance of the batch (examples of
sampling methods according to batch production are given below).

Analyse results of tests in order to verify and ensure the stability of the barrier characteristics, making allowance
for variations of an industrial production, such as temperature, raw materials quality, time of immersion in
chemical, chemical concentration, neutralisation etc, and the control of the processed material in order to
remove any residue from the processing,

4.1.6.

Ensure that any set of samples or test pieces giving evidence of non-conformity gives rise to a further sampling
and test. All the necessary steps must be taken to restore conformity of the corresponding production.

4.2.

4.3.

The manufacturer's level of certification must be at least ISO 9002 standard.

Minimum conditions for the control of production: the holder of an agreement will ensure the control of
conformity following the methods hereunder described.

4.4.

Examples of sampling according to batch

4.4.1.

If several examples of one block type are constructed from one original block of aluminium honeycomb and are
all treated in the same treatment bath (parallel production), one of these examples could be chosen as the sample,
provided care is taken to ensure that the treatment is evenly applied to all blocks. If not, it may be necessary to
select more than one sample.

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4.4.2.

If a limited number of similar blocks (say three to twenty) are treated in the same bath (serial production), then
the first and last block treated in a batch, all of which are constructed from the same original block of aluminium
honeycomb, should be taken as representative samples. If the first sample complies with the requirements but the
last does not, it may be necessary to take further samples from earlier in the production until a sample that does
comply is found. Only the blocks between these samples should be considered to be approved.

4.4.3.

Once experience is gained with the consistency of production control, it may be possible to combine both
sampling approaches, so that more than one groups of parallel production can be considered to be a batch
provided samples from the first and last production groups comply.

5.

5.1.

5.2.

5.3.

STATIC TESTS

One or more samples (according to the batch method) taken from each batch of processed honeycomb core shall
be tested, according to the following test procedure:

The sample size of the aluminium honeycomb for static tests shall be the size of a normal block of the impactor,
that is to say 250 mm × 500 mm × 440 mm for top row and 250 mm × 500 mm × 500 mm for the bottom
row.

The samples should be compressed between two parallel loading plates which are at least 20 mm larger that the
block cross section.

5.4.

The compression speed shall be 100 millimetres per minute, with a tolerance of 5 per cent.

5.5.

The data acquisition for static compression shall be sampled at a minimum of 5 Hz.

5.6.

The static test shall be continued until the block compression is at least 300 mm for blocks 4 to 6 and 350 mm
for blocks 1 to 3.

6.

DYNAMIC TESTS

For every 100 barrier faces produced, the manufacturer shall make one dynamic test against a dynamometric
wall supported by a fixed rigid barrier, according to the method described below.

6.1.

Installation

6.1.1.

Testing ground

6.1.1.1.

The test area shall be large enough to accommodate the run-up-track of the mobile deformable barrier, the rigid
barrier and the technical equipment necessary for the test. The last part of the track, for at least 5 metres before
the rigid barrier, shall be horizontal, flat and smooth.

6.1.2.

Fixed rigid barrier and dynamometric wall

6.1.2.1.

The rigid wall shall consist of a block of reinforced concrete not less than 3 metres wide and not less than
1,5 metres high. The thickness of the rigid wall shall be such that it weighs at least 70 tonnes.

6.1.2.2.

The front face shall be vertical, perpendicular to the axis of the run-up-tack and equipped with six load cell
plates, each capable of measuring the total load on the appropriate block of the mobile deformable barrier
impactor at the moment of impact. The load cell impact plate area centres shall align with those of the six impact
zones of the mobile deformable barrier face. Their edges shall clear adjacent areas by 20 mm such that, within
the tolerance of impact alignment of the MDB, the impact zones will not contact the adjacent impact plate areas.
Cell mounting and plate surfaces shall be in accordance with the requirements set out in the annex to standard
ISO 6487:1987.

6.1.2.3.

Surface protection, comprising a plywood face (thickness: 12 ± 1 mm), is added to each load cell plate such that
it shall not degrade the transducer responses.

6.1.2.4.

The rigid wall shall be either anchored in the ground or placed on the ground with, if necessary, additional
arresting devices to limit its deflection. A rigid wall (to which the load cells are attached) having different
characteristics but giving results that are at least equally conclusive may be used.

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6.2.

Propulsion of the mobile deformable barrier

At the moment of impact the mobile deformable barrier shall no longer be subject to the action of any additional
steering or propelling device. It shall reach the obstacle on a course perpendicular to the front surface of the
dynamometric wall. Impact alignment shall be accurate to within 10 mm.

6.3.

Measuring instruments

6.3.1.

Speed

The impact speed shall be 35 ± 0,5 km/h the instrument used to record the speed on impact shall be accurate to
within 0,1 percent.

6.3.2.

Loads

Measuring instruments shall meet the specifications set forth in ISO 6487:1987

CFC for all blocks:
CAC for blocks 1 and 3:
CAC for blocks 4,5 and 6:
CAC for block 2:

60 Hz
200 kN
100 kN
200 kN

6.3.3.

Acceleration

6.3.3.1.

The acceleration in the longitudinal direction shall be measured at three separate positions on the trolley, one
centrally and one at each side, at places not subject to bending.

6.3.3.2.

The central accelerometer shall be located within 500 mm of the location of the centre of gravity of the MDB and
shall lie in a vertical longitudinal plane which is within ± 10 mm of the centre of gravity of the MDB.

6.3.3.3.

The side accelerometers shall be at the same height as each other ± 10 mm and at the same distance from the
front surface of the MDB ± 20 mm

6.3.3.4.

The instrumentation shall comply with ISO 6487:1987 with the following specifications:

CFC 1 000 Hz (before integration)
CAC 50 g

6.4.

General specifications of barrier

6.4.1.

The individual characteristics of each barrier shall comply with paragraph 1. of this annex and shall be recorded.

6.5.

General specifications of the impactor

6.5.1.

6.5.2.

The suitability of an impactor as regards the dynamic test requirements shall be confirmed when the outputs
from the six load cell plates each produce signals complying with the requirements indicated in this annex.

Impactors shall carry consecutive serial numbers which are stamped, etched or otherwise permanently attached,
from which the batches for the individual blocks and the date of manufacture can be established.

6.6.

Data processing procedure

6.6.1.

Raw data: At time T = T0, all offsets should be removed from the data. The method by which offsets are removed
shall be recorded in the test report.

6.6.2.

Filtering

6.6.2.1.

The raw data will be filtered prior to processing/calculations.

6.6.2.2.

Accelerometer data for integration will be filtered to CFC 180, ISO 6487:1987.

6.6.2.3.

Accelerometer data for impulse calculations will be filtered to CFC 60, ISO 6487:1987.

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6.6.2.4.

Load cell data will be filtered to CFC 60, ISO 6487:1987.

6.6.3.

Calculation of MDB face deflection

6.6.3.1.

Accelerometer data from all three accelerometers individually (after filtering at CFC 180), will be integrated twice
to obtain deflection of the barrier deformable element.

6.6.3.2.

The initial conditions for deflection are:

6.6.3.2.1. velocity = impact velocity (from speed measuring device).

6.6.3.2.2. deflection = 0

6.6.3.3.

The deflection at the left hand side, mid-line and right hand side of the mobile deformable barrier will be plotted
with respect to time.

6.6.3.4.

The maximum deflection calculated from each of the three accelerometers should be within 10 mm. If it is not
the case, then the outlier should be removed and difference between the deflection calculated from the remaining
two accelerometers checked to ensure that it is within 10 mm.

6.6.3.5.

If the deflections as measured by the left hand side, right hand side and mid-line accelerometers are within
10 mm, then the mean acceleration of the three accelerometers should be used to calculate the deflection of the
barrier face.

6.6.3.6.

If the deflection from only two accelerometers meets the 10 mm requirement, then the mean acceleration from
these two accelerometers should be used to calculate the deflection for the barrier face.

6.6.3.7.

If the deflections calculated from all three accelerometers (left hand side, right hand side and mid-line) are NOT
within the 10 mm requirement, then the raw data should be reviewed to determine the causes of such large
variation. In this case the individual test house will determine which accelerometer data should be used to
determine mobile deformable barrier deflection or whether none of the accelerometer readings can be used, in
which case, the certification test must be repeated. A full explanation should be given in the test report.

6.6.3.8.

The mean deflection-time data will be combined with the load cell wall force-time data to generate the force-
deflection result for each block.

6.6.4.

Calculation of energy

The absorbed energy for each block and for the whole MDB face should be calculated up to the point of peak
deflection of the barrier.

En ¼ ∫

t1
t0

Fn · dsmean

where:

t0
t1
s

is the time of first contact

is the time where the trolley comes to rest, i.e. where u = 0.

is the deflection of the trolley deformable element calculated according to paragraph 6.6.3.

6.6.5.

Verification of dynamic force data

6.6.5.1.

Compare the total impulse, I, calculated from the integration of the total force over the period of contact, with
the momentum change over that period (M*)V).

6.6.5.2.

Compare the total energy change to the change in kinetic energy of the MDB, given by:

where Vi is the impact velocity and M the whole mass of the MDB

Ek ¼

1
2

MV2
i

If the momentum change (M*)V) is not equal to the total impulse (I) ± 5 per cent, or if the total energy absorbed
(E En) is not equal to the kinetic energy, EK ± 5 per cent, then the test data must be examined to determine the
cause of this error.

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DESIGN OF IMPACTOR (2)

Figure 1

Figure 2

IMPACTOR TOP

Figure 3

Aluminium Honeycomb Orientation

(2) All dimensions are in mm. The tolerances on the dimensions of the blocks allow for the difficulties of measuring cut aluminium
honeycomb. The tolerance on the overall dimension of the impactor is less than that for the individual blocks since the honeycomb
blocks can be adjusted, with overlap if necessary, to maintain a more closely defined impact face dimension.

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Figure 4

Dimension of Aluminium Honeycomb Cells

DESIGN OF THE BACK PLATE

Figure 5

Figure 6

Attachment of backplate to ventillation device and trolley face plate

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Figure 7

Staggered pitch for the back plate ventilation holes

Figure 8

Top and bottom back plate flanges

Note: The attachment holes in the bottom flange may be opened to slots, as shown below, for ease of attachment

provided sufficient grip can be developed to avoid detachment during the whole impact test.

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The ventilation device is a structure made of a plate that is 5 mm thick and 20 mm wide. Only the vertical plates
are perforated with nine 8 mm holes in order to let air circulate horizontally.

VENTILATION FRAME

Figure 9

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Appendix 1

FORCE-DEFLECTION CURVES FOR STATIC TESTS

Blocks 1 & 3

Figure 1a

Block 2

Figure 1b

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Block 4

Figure 1c

Blocks 5 & 6

Figure 1d

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Appendix 2

FORCE-DEFLECTION CURVES FOR DYNAMIC TESTS

Figure 2a

Blocks 1 & 3

Block 2

Block 4

Figure 2b

Figure 2c

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Blocks 5 & 6

Figure 2d

Blocks total

Figure 2e

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ANNEX 6

TECHNICAL DESCRIPTION OF THE SIDE IMPACT DUMMY

1.

1.1.

1.2.

1.3.

2.

2.1.

GENERAL

The side impact dummy prescribed in this Regulation, including the instrumentation and calibration, is described
in technical drawings and a user's manual (1).

The dimensions and masses of the side impact dummy represent a 50th percentile adult male, without lower
arms.

The side impact dummy consists of a metal and plastic skeleton covered by flesh-simulating rubber, plastic and
foam.

CONSTRUCTION

For an overview of the side impact dummy see Figure 1 for a scheme and the parts breakdown in Table 1 of this
annex.

2.2.

Head

2.2.1.

The head is shown as part No1 in Figure 1 of this annex.

2.2.2.

2.2.3.

The head consists of an aluminium shell covered by a pliable vinyl skin. The interior of the shell is a cavity
accommodating tri-axial accelerometers and ballast.

At the head-neck interface a load cell replacement is built in. This part can be replaced with an upper neck load-
cell.

2.3.

Neck

2.3.1.

The neck is shown as part No 2 in Figure 1 of this annex.

2.3.2.

2.3.3.

2.3.4.

2.3.5.

2.3.6.

The neck consists of a head-neck interface piece, a neck-thorax interface piece and a central section that links the
two interfaces to one another.

The head-neck interface piece (part No 2a) and the neck-thorax interface piece (part No 2c) both consist of two
aluminium disks linked together by means of a half spherical screw and eight rubber buffers.

The cylindrical central section (part No 2b) is made of rubber. At both sides an aluminium disk of the interface
pieces is moulded in the rubber part.

The neck is mounted on the neck-bracket, shown as part No 2d in Figure 1 of this annex. This bracket can
optionally be replaced with a lower neck load-cell.

The angle between the two faces of the neck-bracket is 25 degrees. Because the shoulder block is inclined 5
degrees backwards, the resulting angle between the neck and torso is 20 degrees.

2.4.

Shoulder

2.4.1.

The shoulder is shown as part No 3 in Figure 1 of this annex.

2.4.2.

The shoulder consists of a shoulder box, two clavicles and a shoulder foam cap.

(1) The dummy is corresponding with the specification of the ES-2 dummy. The number of the table of contents of the technical drawing is:
No E-AA-DRAWING-LIST-7-25-032 dated on 25 July 2003. The complete set of ES-2 technical drawings and the ES-2 User Manual are
deposited with the United Nations Economic Commission for Europe (UNECE), Palais des Nations, Geneva, Switzerland and may be
consulted on request at the secretariat.

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2.4.3.

2.4.4.

The shoulder box (part No 3a) consists of an aluminium spacer block, an aluminium plate on top and an
aluminium plate on the bottom of the spacer block. Both plates are covered with a polytetrafluoretheen (PTFE)-
coating.

The clavicles (part No 3b), made of cast polyurethane (PU)-resin, are designed to evolve over the spacer block.
The clavicles are held back in their neutral position by two elastic cords (part No 3c) which are clamped to the
rear of the shoulder box. The outer edge of both clavicles accommodates a design allowing for standard arm
positions.

2.4.5.

The shoulder cap (part No 3d) is made of low-density polyurethane foam and is attached to the shoulder block.

2.5.

Thorax

2.5.1.

The thorax is shown as part No 4 in Figure 1 of this annex.

2.5.2.

The thorax consists of a rigid thoracic spine box and three identical rib modules.

2.5.3.

The thoracic spine box (part No 4a) is made of steel. On the rear surface a steel spacer and curved, polyurethane
(PU)-resin, back plate is mounted (part No 4b).

2.5.4.

The top surface of the thoracic spine box is inclined 5 degrees backwards.

2.5.5.

At the lower side of the spine box a T12 load cell or load cell replacement (part No 4j) is mounted.

2.5.6.

2.5.7.

A rib module (part No 4c) consists of a steel rib bow covered by a flesh-simulating open-cell polyurethane (PU)
foam (part No 4d), a linear guide system assembly (part No 4e) linking the rib and spine box together, a hydraulic
damper (part No 4f) and a stiff damper spring (part No 4g).

The linear guide system (part No 4e) allows the sensitive rib side of the rib bow (part No 4d) to deflect with
respect to the spine box (part No 4a) and the non-sensitive side. The guide system assembly is equipped with
linear needle bearings.

2.5.8.

A tuning spring is located in the guide system assembly (part No 4h).

2.5.9.

A rib displacement transducer (part No 4i) can be installed on the spine box mounted part of guide system (part
No 4e) and connected to the outer end of the guide system at the sensitive side of the rib.

2.6.

Arms

2.6.1.

The arms are shown as part No 5 in Figure 1 of this annex.

2.6.2.

The arms have a plastic skeleton covered by a polyurethane (PU) flesh representation with a polyvinylchloride
(PVC) skin. The flesh representation consists of a high-density polyurethane (PU) moulding upper part and a
polyurethane (PU) foam lower part.

2.6.3.

The shoulder-arm joint allows for discrete arm positions at 0, 40 and 90 degree setting with respect to the torso
axis.

2.6.4.

The shoulder-arm joint allows for a flexion-extension rotation only.

2.7.

Lumbar spine

2.7.1.

The lumbar spine is shown as part No 6 in Figure 1 of this annex.

2.7.2.

The lumbar spine consists of a solid rubber cylinder with two steel interface plates at each end, and a steel cable
inside the cylinder.

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2.8.

Abdomen

2.8.1.

The abdomen is shown as part No 7 in Figure 1 of this annex.

2.8.2.

The abdomen consists of a rigid central part and a foam covering.

2.8.3.

The central part of the abdomen is a metal casting (part No 7a). A cover plate is mounted on top of the casting.

2.8.4.

The covering (part No 7b) is made of polyurethane (PU) foam. A curved slab of rubber filled with lead-pellets is
integrated in the foam covering at both sides

2.8.5.

Between the foam covering and the rigid casting at each side of the abdomen, either three force transducers (part
No 7c) or three non-measuring replacement units can be mounted.

2.9.

Pelvis

2.9.1.

The pelvis is shown as part No 8 in Figure 1 of this annex.

2.9.2.

The pelvis consists of a sacrum block, two iliac wings, two hip joints assemblies and a flesh simulating foam
covering.

2.9.3.

The sacrum (part No 8a) consists of a mass tuned metal block and a metal plate mounted on top of this block. In
the aft side of the block is a cavity to facilitate the application of instrumentation.

2.9.4.

The iliac wings (part No 8b) are made of polyurethane (PU)-resin.

2.9.5.

The hip joints assemblies (part No 8c) are made of steel parts. They consist of an upper femur bracket and a ball
joint connected to an axle passing through the dummy's H-point.

The upper femur bracket abduction and adduction capability is buffered by rubber stops at the ends of the range
of motion.

2.9.6.

The flesh system (part No 8d) is made of a polyvinlychloride (PVC) skin filled with polyurethane (PU) foam. At
the H-point location the skin is replaced by open-cell polyurethane (PU) foam block (part No 8e) backed up with
a steel plate fixed on the iliac wing by an axle support going through the ball joint.

2.9.7.

The iliac wings are attached to the sacrum block at the aft side and linked together at the pubic symphysis
location by a force transducer (part No 8f) or a replacement transducer.

2.10.

Legs

2.10.1.

The legs are shown as part No 9 in Figure 1 of this annex.

2.10.2.

The legs consist of a metal
polyvinlychloride (PVC) skin.

skeleton covered by flesh-stimulating polyurethane (PU)

foam with a

2.10.3.

A high-density polyurethane (PU) moulding with a polyvinlychloride (PVC) skin represents the thigh flesh of the
upper legs.

2.10.4.

The knee and ankle joint allow for a flexion/extension rotation only.

2.11.

Suit

2.11.1.

The suit is not shown in Figure 1 of this annex.

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2.11.2.

The suit is made of rubber and covers the shoulders, thorax, upper part of the arms, the abdomen and lumbar
spine, the upper part of the pelvis.

Figure 1

Construction of side impact dummy

Table

Side Impact Dummy Components (See Figure 1)

Description

Number per
dummy

Head
Neck

Head-neck interface
Central section
Neck-thorax interface
Neck-bracket

Shoulder

Shoulder box
Clavicle
Elastic cord
Shoulder foam cap

1
1
1
1
1
1
1
1
2
2
1

Part

1
2

3

No

2a
2b
2c
2d

3a
3b
3c
3d

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No

4a
4b
4c
4d
4e
4f
4g
4h
4i
4j

7a
7b
7c

8a
8b
8c
8d
8e
8f

Part

4

5
6
7

8

9
10

Description

Number per
dummy

Thorax

Thoracic spine
Back plate (curved)
Rib module

Rib bow covered with flesh
Piston-cylinder assembly
Damper
Stiff damper spring
Tuning spring
Displacement transducer

T12 load cell or load cell replacement

Arm
Lumbar spine
Abdomen

Central casting
Foam covering
Force transducer or replacement

Pelvis

Sacrum block
Iliac wings
Hip joint assembly
Flesh covering
H-point foam block
Force transducer or replacement

Leg
Suit

1
1
1
3
3
3
3
3
3
3
1
2
1
1
1
1
3
1
1
2
2
1
1
1
2
1

3.

3.1.

ASSEMBLY OF THE DUMMY

Head-neck

3.1.1.

The required torque on the half-spherical screws for assembly of the neck is 10 Nm.

3.1.2.

The head-upper neck load cell assembly is mounted to the head-neck interface plate of the neck by four screws.

3.1.3.

The neck-thorax interface plate of the neck is mounted to the neck-bracket by four screws.

3.2.

Neck-shoulder-thorax

3.2.1.

The neck-bracket is mounted to the shoulder block by four screws.

3.2.2.

The shoulder-block is mounted to the top-surface of the thoracic spine box by three screws.

3.3.

Shoulder-arm

3.3.1.

The arms are mounted to the shoulder clavicles by means of a screw and an axial bearing. The screw shall be
tightened to obtain a 1 2 g holding force of the arm on its pivot.

3.4.

Thorax-lumbar spine-abdomen

3.4.1.

The mounting direction of rib modules in the thorax shall be adapted to the required impact side.

3.4.2.

A lumbar spine adapter is mounted to the T12 load cell or load cell replacement at the lower part of the thoracic
spine by two screws.

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3.4.3.

The lumbar spine adapter is mounted to the top plate of the lumbar spine with four screws.

3.4.4.

The mounting flange of the central abdominal casting is clamped between the lumbar spine adapter and the
lumbar spine top plate.

3.4.5.

The location of the abdominal force transducers shall be adapted to the required impact side.

3.5.

Lumbar spine-pelvis-legs

3.5.1.

The lumbar spine is mounted to the sacrum block cover plate by three screws. In case of using the lower lumbar
spine load cell four screws are used.

3.5.2.

The lumbar spine bottom plate is mounted to the sacrum block of the pelvis by three screws.

3.5.3.

The legs are mounted to the upper femur bracket of the pelvis hip joint assembly by a screw.

3.5.4.

The knee and ankle links in the legs can be adjusted to obtain a 1 2 g holding force.

4.

MAIN CHARACTERISTICS

4.1.

Mass

4.1.1.

The masses of the main dummy components are presented in table 2 of this annex.

Table 2

Dummy Component Masses

Tolerance
± (kg)

Principle contents

Complete head assembly including tri-axial acceler-
ometer and upper neck load cell or replacement

Neck, not including neck bracket

Neck bracket, shoulder cap, shoulders assembly, arm
attachment bolts, spine box, torso back plate, rib
modules, rib deflection transducers, torso back plate
load cell or replacement, T12–load cell or replace-
ment, abdomen central casting, abdominal force
transducers, 2/3 of suit

Upper arm, including arm positioning plate (each)

Abdomen flesh covering and lumbar spine

Sacrum block, lumbar spine mounting plate, hip ball
joints, upper femur brackets, iliac wings, pubic force
transducer, pelvis flesh covering, 1/3 of suit

Foot, lower and upper leg and flesh as far as junction
with upper femur (each)

0,2

0,05

1,0

0,1

0,25

0,6

0,6

1,2

Component (body
part)

Head

Neck

Thorax

Arm (each)

Abdomen and lum-
bar spine

Pelvis

Leg (each)

Total dummy

Mass
(kg)

4,0

1,0

22,4

1,3

5,0

12,0

12,7

72,0

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4.2.

Principal dimensions

4.2.1.

The principal dimensions of the side impact dummy, based on Figure 2 of this annex, are given in table 3 of this
annex.

The dimension are measured without suit

Figure 2

Measurements for principal dummy dimensions (see Table 3)

Table 3

Principal Dummy Dimensions

Parameter

Dimension (mm)

Sitting height
Seat to shoulder joint
Seat to lower face of thoracic spine box
Seat to hip joint (centre of bolt)
Sole to seat, sitting
Head width
Shoulder/arm width

909 ± 9
565 ± 7
351 ± 5
100 ± 3
442 ± 9
155 ± 3
470 ± 9

No

1
2
3
4
5
6
7

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No

8
9
10
11
12
13
14
15
16

Parameter

Dimension (mm)

Thorax width
Abdomen width
Pelvis lap width
Head depth
Thorax depth
Abdomen depth
Pelvis depth
Back of buttocks to hip joint (centre of bolt)
Back of buttocks to front knee

327 ± 5
280 ± 7
366 ± 7
201 ± 5
267 ± 5
199 ± 5
240 ± 5
155 ± 5
606 ± 9

5.

CERTIFICATION OF THE DUMMY

5.1.

Impact side

5.1.1.

Depending on the vehicle side to be impacted, dummy parts should be certified on the left-hand side or right-
hand side.

5.1.2.

The configurations of the dummy with regards to the mounting direction of the rib modules and the location of
the abdominal force transducers shall be adapted to the required impact side.

5.2.

Instrumentation

5.2.1.

All instrumentation shall be calibrated in compliance with the requirements of the documentation specified in
paragraph 1.3.

5.2.2.

All instrumentation channels shall comply with ISO 6487:2000 or SAE J211 (March 1995) data channel
recording specification.

5.2.3.

The minimum number of channels required to comply with this regulation is ten:

Head accelerations

Thorax rib displacements

Abdomen loads

Pubic symphysis load

(3),

(3),

(3) and

(1).

5.2.4.

Additionally a number of optional instrumentation channels (38) are available:

Upper neck loads

Lower neck loads

Clavicle loads

Torso back plate loads

T1 accelerations

T12 accelerations

Rib accelerations

T12 spine loads

Lower lumbar loads

Pelvis accelerations

Femur loads

(6),

(6),

(3),

(4),

(3),

(3),

(6, two on each rib),

(4),

(3),

(3) and

(6).

Additional four position indicator channels are optionally available:

Thorax rotations

Pelvis rotations

(2) and

(2)

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5.3.

Visual check

5.3.1.

All dummy parts should be visually checked for damage and if necessary replaced before the certification test.

5.4.

General test set-up

5.4.1.

Figure 3 of this annex shows the test set-up for all certification tests on the side impact dummy.

5.4.2.

The certification test set-up arrangements and testing procedures shall be in accordance with the specification
and requirements of the documentation specified in paragraph 1.3.

5.4.3.

The tests on the head, neck, thorax and lumbar spine are carried out on sub assemblies of the dummy.

5.4.4.

5.4.5.

The tests on the shoulder, abdomen and pelvis are performed with the complete dummy (without suit, shoes and
underwear). In these tests the dummy is seated on a flat surface with two sheets of less than or equal to 2 mm
thick polytetrafluoretheen (PTFE), placed between the dummy and the flat surface.

All parts to be certified should be kept in the test room for a period of at least four hours at a temperature
between and including 18 and 22 degrees Celsius and a relative humidity between and including 10 and 70 per
cent prior to a test.

5.4.6.

The time between two certification tests on the same part should be at least 30 minutes.

5.5.

Head

5.5.1.

5.5.2.

5.5.3.

5.5.4.

The head sub assembly, including the upper neck load cell replacement, is certified in a drop test from 200
± 1 mm onto a flat, rigid impact surface.

The angle between the impact surface and the mid-sagittal plane of the head is 35 ± 1 degree allowing an impact
to the upper part of the head side (this can be realised with a sling harness or a head drop support bracket with a
mass of 0,075 ± 0,005 kg.).

The peak resultant head acceleration, filtered using ISO 6487:2000 CFC 1 000, should be between and including
100 g and 150 g.

The head performance can be adjusted to meet the requirement by altering the friction characteristics of the skin-
skull interface (e.g. by lubrication with talcum powder or polytetrafluoretheen (PTFE) spray).

5.6.

Neck

5.6.1.

5.6.2.

5.6.3.

5.6.4.

5.6.5.

The head-neck interface of the neck is mounted to a special certification head-form with a mass of 3,9 ± 0,05 kg
(see Figure 6), with the help of a 12 mm thick interface plate with a mass of 0,205 ± 0,05 kg.

The head-form and neck are mounted upside-down to the bottom of a neck-pendulum (2) allowing a lateral
motion of the system.

The neck-pendulum is equipped with a uni-axial accelerometer according to the neck pendulum specification (see
Figure 5).

The neck-pendulum should be allowed to fall freely from a height chosen to achieve an impact velocity of 3,4
± 0,1 m/s measured at the pendulum accelerometer location.

The neck-pendulum is decelerated from impact velocity to zero by an appropriate device (3), as described in the
neck pendulum specification (see Figure 5), resulting in a velocity change — time history inside the corridor
specified in Figure 7 and Table 4 of this annex. All channels have to be recorded according to the ISO 6487:2000
or SAE J211 (March 1995) data channel recording specification and filtered digitally using ISO 6487:2000
CFC 180.

(2) Neck pendulum corresponding with American Code of Federal Regulation 49 CFR Chapter V Part 572.33 (10-1-00 Edition) (See also

Figure 5).

(3) The use of 3-inch honeycomb is recommended (see Figure 5).

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Table 4

Pendulum Velocity Change — Time Corridor for Neck Certification Test

Upper Boundary
Time (s)

0,001
0,003
0,014

Velocity (m/s)

0,0
- 0,25
- 3,2

Lower Boundary
Time (s)

0
0,0025
0,0135
0,017

Velocity (m/s)

- 0,05
- 0,375
- 3,7
- 3,7

5.6.6.

The maximum head-form flexion angle relative to the pendulum (Angle dθA + dθC in Figure 6) should be
between and including 49,0 and 59,0 degrees and should occur between and including 54,0 and 66,0 ms.

5.6.7.

The maximum head-form centre of gravity displacements measured in angle dθA and dθB (see Figure 6) should
be: Fore pendulum base angle dθA between and including 32,0 and 37,0 degrees occurring between and
including 53,0 and 63,0 ms and aft pendulum base angle dθB between and including 0,81* (angle dθA) + 1,75
and 0,81* (angle dθA) + 4,25 degrees occurring between and including 54,0 and 64,0 ms.

5.6.8.

The neck performance can be adjusted by replacing the eight circular section buffers with buffers of another
shore hardness.

5.7.

Shoulder

5.7.1.

5.7.2.

5.7.3.

The length of the elastic cord should be adjusted so that a force between and including 27,5 and 32,5 N applied
in a forward direction 4 ± 1 mm from the outer edge of the clavicle in the same plane as the clavicle movement,
is required to move the clavicle forward.

The dummy is seated on a flat, horizontal, rigid surface with no back support. The thorax is positioned vertically
and the arms should be set at an angle of 40 ± 2 degrees forward to the vertical. The legs are positioned
horizontally.

The impactor is a pendulum with a mass of 23,4 ± 0,2 kg and diameter of 152,4 ± 0,25 mm with an edge radius
of 12,7 mm (4). The impactor is suspended from rigid hinges by four wires with the centre line of the impactor at
least 3,5 m below the rigid hinges (see Figure 4).

5.7.4.

The impactor is equipped with an accelerometer sensitive in the direction of impact and located on the impactor
axis.

5.7.5.

The impactor should freely swing onto the shoulder of the dummy with an impact velocity of 4,3 ± 0,1 m/s.

5.7.6.

The impact direction is perpendicular to the anterior-posterior axis of the dummy and the axis of the impactor
coincides with the axis of the upper arm pivot.

5.7.7.

The peak acceleration of the impactor, filtered using ISO 6487:2000 CFC 180, should be between and including
7,5 and 10,5 g.

5.8.

Arms

5.8.1.

No dynamic certification procedure is defined for the arms.

(4)

Pendulum corresponding with American Code of Federal Regulation 49 CFR Chapter V Part 572.36(a) (10-1-00 Edition) (See also
Figure 4).

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5.9.

Thorax

5.9.1.

Each rib module is certified separately.

5.9.2.

The rib module is positioned vertically in a drop test rig and the rib cylinder is clamped rigidly onto the rig.

5.9.3.

The impactor is a free fall mass of 7,78 ± 0,01 kg with a flat face and a diameter of 150 ± 2 mm.

5.9.4.

The centre line of the impactor should be aligned with the centre line of the rib's guide system.

5.9.5.

The impact severity is specified by the drop heights of 815, 204 and 459 mm. These drop heights result in
velocities of approximately 4, 2 and 3 m/s respectively. Impact drop heights should be applied with an accuracy
of 1 per cent.

5.9.6.

The rib displacement should be measured, for instance using the rib's own displacement transducer.

5.9.7.

The rib certification requirements are given in of this annex.

5.9.8.

The performance of the rib module can be adjusted by replacing the tuning spring inside the cylinder with one of
a different stiffness.

Table 5

Requirements for Full Rib Module Certification

Test sequence

Drop height (accuracy 1 %)
(mm)

Minimum Displacement
(mm)

Maximum Displacement
(mm)

1
2
3

815
204
459

46,0
23,5
36,0

51,0
27,5
40,0

5.10.

Lumbar spine

5.10.1.

The lumbar spine is mounted to the special certification head-form with a mass of 3,9 ± 0,05 kg (see Figure 6),
with the help of a 12 mm thick interface plate with a mass of 0,205 ± 0,05 kg.

5.10.2.

The head-form and lumbar spine are mounted upside-down to the bottom of a neck-pendulum (5) allowing a
lateral motion of the system.

5.10.3.

The neck-pendulum is equipped with an uni-axial accelerometer according to the neck pendulum specification
(see Figure 5).

5.10.4.

The neck-pendulum should be allowed to fall freely from a height chosen to achieve an impact velocity of 6,05
± 0,1 m/s measured at the pendulum accelerometer location.

5.10.5.

The neck-pendulum is decelerated from impact velocity to zero by an appropriate device (6), as described in the
neck pendulum specification (see Figure 5), resulting in a velocity change — time history inside the corridor
specified in Figure 8 and Table 6 of this annex. All channels have to be recorded according to the ISO 6487:2000
or SAE J211 (March 1995) data channel recording specification and filtered digitally using ISO 6487:2000 CFC
180.

(5) Neck pendulum corresponding with American Code of Federal Regulation 49 CFR Chapter V Part 572.33 (10-1-00 Edition) (See also

Figure 5).

(6) The use of 6-inch honeycomb is recommended (see Figure 5).

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Table 6

Pendulum Velocity Change — Time Corridor for Lumbar Spine Certification Test

Upper Boundary
Time [s]

0,001
0,0037
0,027

Velocity [m/s]

0,0
- 0,2397
- 5,8

Lower Boundary
Time [s]

0
0,0027
0,0245
0,03

Velocity [m/s]

- 0,05
- 0,425
- 6,5
- 6,5

5.10.6.

The maximum head-form flexion angle relative to the pendulum (Angle dθA + dθC in Figure 6) should be
between and including 45,0 and 55,0 degrees and should occur between and including 39,0 and 53,0 ms.

5.10.7.

The maximum head-form centre of gravity displacements measured in angle dθA and dθB (see Figure 6) should
be: Fore pendulum base angle dθA between and including 31,0 and 35,0 degrees occurring between and
including 44,0 and 52,0 ms and aft pendulum base angle dθB between and including 0,8*(angle dθA) + 2,00 and
0,8*(angle dθA) + 4,50 degrees occurring between and including 44,0 and 52,0 ms.

5.10.8.

The performance of the lumbar spine can be adjusted by changing tension in the spine cable.

5.11.

Abdomen

5.11.1.

The dummy is seated on a flat, horizontal, rigid surface with no back support. The thorax is positioned vertically,
while the arms and legs are positioned horizontally.

5.11.2.

The impactor is a pendulum with a mass of 23,4 ± 0,2 kg and diameter of 152,4 ± 0,25 mm with an edge radius
of 12,7 mm (7). The impactor is suspended from rigid hinges by eight wires with the centre line of the impactor
at least 3,5 m below the rigid hinges (see Figure 4).

5.11.3.

The impactor is equipped with an accelerometer sensitive in the direction of impact and located on the impactor
axis.

5.11.4.

The pendulum is equipped with a horizontal ‘arm rest’ impactor face of 1,0 ± 0,01 kg. The total mass of the
impactor with the arm rest face is 24,4 ± 0,21 kg. The rigid ‘arm rest’ is 70 ± 1 mm high, 150 ± 1 mm wide and
should be allowed to penetrate at least 60 mm into the abdomen. The centreline of the pendulum coincides with
the centre of the ‘arm rest’.

5.11.5.

The impactor should freely swing onto the abdomen of the dummy with an impact velocity of 4,0 ± 0,1 m/s.

5.11.6.

The impact direction is perpendicular to the anterior-posterior axis of the dummy and the axis of the impactor is
aligned with the centre of the middle abdominal force transducer.

5.11.7.

The peak force of the impactor, obtained from the impactor acceleration filtered using ISO 6487:2000 CFC 180
and multiplied by the impactor/armrest mass, should be between and including 4,0 and 4,8 kN, and occur
between and including 10,6 and 13,0 ms.

5.11.8.

The force-time histories measured by the three abdominal force transducers must be summed and filtered using
ISO 6487:2000 CFC 600. The peak force of this sum should be between and including 2,2 and 2,7 kN, and
occur between and including 10,0 and 12,3 ms.

(7)

Pendulum corresponding with American Code of Federal Regulation 49 CFR Chapter V Part 572.36(a) (10-1-00 Edition) (See also
Figure 4).

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5.12.

Pelvis

5.12.1.

The dummy is seated on a flat, horizontal, rigid surface with no back support. The thorax is positioned vertically
while the arms and legs are positioned horizontally.

5.12.2.

The impactor is a pendulum with a mass of 23,4 ± 0,2 kg and diameter of 152,4 ± 0,25 mm with an edge radius
of 12,7 mm (8). The impactor is suspended from rigid hinges by eight wires with the centre line of the impactor
at least 3,5 m below the rigid hinges (see Figure 4).

5.12.3.

The impactor is equipped with an accelerometer sensitive in the direction of impact and located on the impactor
axis.

5.12.4.

The impactor should freely swing onto the pelvis of the dummy with an impact velocity of 4,3 ± 0,1 m/s.

5.12.5.

The impact direction is perpendicular to the anterior-posterior axis of the dummy and the axis of the impactor is
aligned with the centre of the H-point back plate.

5.12.6.

The peak force of the impactor, obtained from the impactor acceleration filtered using ISO 6487:2000 CFC 180
and multiplied by the impactor mass, should be between and including 4,4 and 5,4 kN, and occur between and
including 10,3 and 15,5 ms.

5.12.7.

The pubic symphysis force, filtered using ISO 6487:2000 CFC 600, should be between and including 1,04 and
1,64 kN and occur between and including 9,9 and 15,9 ms.

5.13.

Legs

5.13.1.

No dynamic certification procedure is defined for the legs.

Figure 3

Overview of dummy certification test set-up

(8)

Pendulum corresponding with American Code of Federal Regulation 49 CFR Chapter V Part 572.36(a) (10-1-00 Edition) (See also Figure
4).

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Figure 4

23,4 kg Pendulum impactor suspension

left: four wires suspension (cross wires removed)

right: eight wires suspension

Figure 5

Neck pendulum specification according to American Code of Federal Regulation (49 CFR Chapter V Part
572.33)

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Neck and lumbar spine certification test set-up (Angles dθA, dθB and dθC measured with head-form)

Figure 6

Figure 7

Pendulum velocity change — time corridor for neck certification test

Pendulum velocity change corridor for neck certification

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Figure 8

Pendulum velocity change — time corridor for lumbar spine certification test

Pendulum velocity change corridor for lumbar spine certification

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ANNEX 7

INSTALLATION OF THE SIDE IMPACT DUMMY

1.

GENERAL

1.1.

The side impact dummy as described in annex 6 of this Regulation is to be used according the following installation
procedure.

2.

INSTALLATION

2.1. Adjust the knee and ankle joints so that they just support the lower leg and the foot when extended horizontally (1 to

2 g — adjustment).

2.2.

Check if the dummy is adapted to the desired impact direction.

2.3.

The dummy shall be clothed in a form-fitting cotton stretch mid-calf length pant and may be clothed in a form-fitting
cotton stretch shirt with short sleeves.

2.4.

Each foot shall be equipped with a shoe.

2.5.

Place the dummy in the outboard front seat on the impacted side as described in the side impact test procedure
specification.

2.6.

The plane of symmetry of the dummy shall coincide with the vertical median plane of the specified seating position.

2.7.

The pelvis of the dummy shall be positioned such that a lateral line passing through the dummy H-points is
perpendicular to the longitudinal centre plane of the seat. The line through the dummy H-points shall be horizontal
with a maximum inclination of ± 2 degrees (1).

The correct position of the dummy pelvis can be checked relative to the H-point of the H-point Manikin by using the
M3 holes in the H-point back plates at each side of the ES-2 pelvis. The M3 holes are indicated with ‘Hm’. The ‘Hm’
position should be in a circle with a radius of 10 mm round the H-point of the H-point Manikin.

2.8.

2.9.

The upper torso shall be bent forward and then laid back firmly against the seat back (see note 14). The shoulders of
the dummy shall be set fully rearward.

Irrespective of the seating position of the dummy, the angle between the upper arm and the torso arm reference line
on each side shall be 40 ± 5 degrees. The torso arm reference line is defined as the intersection of the plane tangential
to the front surface of the ribs and the longitudinal vertical plane of the dummy containing the arm.

2.10. For the driver's seating position, without inducing pelvis or torso movement, place the right foot of the dummy on
the non-depressed accelerator pedal with the heel resting as far forward as possible on the floor-pan. Set the left foot
perpendicular to the lower leg with the heel resting on the floor-pan in the same lateral line as the right heel. Set the
knees of the dummy such that their outside surfaces are 150 ± 10 mm from the plane of symmetry of the dummy. If
possible within these constraints, place the thighs of the dummy in contact with the seat cushion.

2.11. For other seating positions, without inducing pelvis or torso movement, place the heels of the dummy as far forward
as possible on the floor-pan without compressing the seat cushion more than the compression due to the weight of
the leg. Set the knees of the dummy such that their outside surfaces are 150 ± 10 mm from the plane of symmetry of
the dummy.

(1) The dummy can be equipped with tilt sensors in the thorax and the pelvis. These instruments can help to obtain the desired position.

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ANNEX 8

PART IAL TEST

1.

PURPOSE

The purpose of these tests is to verify whether the modified vehicle presents at least the same (or better) energy
absorption characteristics than the vehicle type approved under this Regulation.

2.

PROCEDURES AND INSTALLATIONS

2.1.

Reference tests

2.1.1.

Using the initial padding materials tested during the approval of the vehicle, mounted in a new lateral structure
of the vehicle to be approved, two dynamic tests, utilizing two different impactors shall be carried out (Figure 1).

2.1.1.1.

The head form impactor, defined in paragraph 3.1.1, shall hit at 24,1 km/h, in the area impacted for the
EUROSID head during the approval of the vehicle. Test result shall be recorded, and the HPC calculated. However,
this test shall not be carried out when, during the tests described in Annex 4 of this Regulation:

where there has been no head contact, or

when the head contacted the window glazing only, provided that the window glazing is not laminated glass.

2.1.1.2.

The body block impactor, defined in paragraph 3.2.1, shall hit at 24,1 km/h in the lateral area impacted by the
EUROSID shoulder, arm and thorax, during the approval of the vehicle. Test result shall be recorded, and the HPC
calculated.

2.2.

Approval test

2.2.1.

Using the new padding materials, seat, etc. presented for the approval extension, and mounted in a new lateral
structure of the vehicle, tests specified in paragraphs 2.1.1.1 and 2.1.1.2, shall be repeated, the new results
recorded, and their HPC calculated.

2.2.1.1.

If the HPC calculated from the results of both approval tests are lower than the HPC obtained during the
reference tests (carried out using the original type approved padding materials or seats), the extension shall be
granted.

2.2.1.2.

If the new HPC are greater than the HPC obtained during the reference tests, a new full scale test (using the
proposed padding/seats/etc.) shall be carried out.

3.

TEST EQUIPMENT

3.1.

Head form impactor (Figure 2)

3.1.1.

This apparatus consists of a fully guided linear impactor, rigid, with a mass of 6,8 kg. Its impact surface is
hemispherical with a diameter of 165 mm.

3.1.2.

The head form shall be fitted with two accelerometers and a speed-measuring device, all capable of measuring
values in the impact direction.

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3.2.

Body block impactor (Figure 3)

3.2.1.

3.2.2.

This apparatus consists of a fully guided linear impactor, rigid, with a mass of 30 kg. Its dimensions and
transversal section is presented in Figure 3.

The body block shall be fitted with two accelerometers and a speed-measuring device, all capable of measuring
values in the impact direction.

Figure 1

Figure 2

Head form impactor

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Figure 3

Body block impactor