Regulation No. 42-00

Name:Regulation No. 42-00
Description:Bumpers Front and Rear.
Official Title:Uniform Provisions Concerning the Approval of: Vehicles with Regard to their Front and Rear Protective Devices (Bumpers, etc).
Country:ECE - United Nations
Date of Issue:1980-03-24
Amendment Level:00 Series, Supplement 1
Number of Pages:15
Vehicle Types:Car
Subject Categories:Miscellaneous
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Keywords:

vehicle, approval, regulation, type, impactor, front, rear, test, plane, paragraph, devices, impact, protective, weight, reference, vehicles, granted, number, means, production, mark, annex, regard, prescribed, requirements, line, approved, bumpers, structure, technical, agreement, tests, vertical, horizontal, pursuant, form, conditions, seats, unladen, normal, manufacturer, dimensions, made, conducting, amendments, median, height, provisions, responsible, longitudinal

Text Extract:

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E/ECE/324 )
E/ECE/TRANS/505 ) Rev.1/Add.41/Amend 1
August 8, 2007
STATUS OF UNITED NATIONS REGULATION
ECE 42
UNIFORM PROVISIONS CONCERNING THE APPROVAL OF:
VEHICLES WITH REGARD TO THEIR FRONT AND REAR PROTECTIVE DEVICES
(BUMPERS, ETC.)
Incorporating:
00 series of amendments
Date of Entry into Force: 01.06.80
Corr. 1 to the 00 series of amendments
Dated: 09.10.80
Supplement 1 to the 00 series of amendments
Date of Entry into Force: 12.06.07

REGULATION NO. 42
UNIFORM PROVISIONS CONCERNING THE APPROVAL OF VEHICLES WITH REGARD TO THEIR
FRONT AND REAR PROTECTIVE DEVICES (BUMPERS, ETC.)
REGULATION
CONTENTS
1.
Scope
2.
Purpose
3.
Definitions
4.
Application for approval
5.
Approval
6.
Requirements
7.
Modifications of vehicle type
8.
Conformity of production
9.
Penalties for non-conformity of production
10.
Production definitely discontinued
11.
Names and addresses of technical services responsible for conducting approval tests, and of
administrative departments
ANNEXES
Annex 1

Communication concerning the approval (or refusal or withdrawal of approval or
production definitely discontinued) of a vehicle type with regard to its front and rear
protective devices (bumpers, etc) pursuant to Regulation No. 42.
Annex 2 – Arrangements of approval marks
Annex 3 – Low-speed-impact test procedure

Number of
Seating positions
Number of
passengers
2 and 3 2 2 in the front seats
4 and 5
3
2 in the front seats
1 in the back seat
6 and 7
4
2 in the front seats
2 in the rearmost seats
Distribution
8 and 9
5
2 in the front seats
3 in the rearmost seats
When the rear row of seats has only 2 seating
positions, one person shall be on the second row from
the rear
3.1.5. "Vehicle corner" means the vehicle's point of contact with a tangent vertical plane which
makes an angle of 60° with the longitudinal median plane of the vehicle;
3.1.6. "Reference height" means the height above the ground at which the vehicle should
embody sufficient protective devices, both at "unladen kerb weight" and at "laden test
weight". This reference height is that of the horizontal plane passing through the reference
line of the impactor described in Paragraph 2.3. of Annex 3 to this Regulation;
3.1.7. "Reference line" means a line outside the impactor at the intersection of the horizontal
plane of symmetry of the impact contour with the impact contour itself, Plane A of the
impactor being vertical.
4. APPLICATION FOR APPROVAL
4.1. The application for approval of a vehicle type with regard to the protection afforded by the
bumpers in a collision at low speed shall be submitted by the vehicle manufacturer or by his
duly accredited representative.
4.2. It shall be accompanied by the undermentioned documents in triplicate and the following
particulars:
4.2.1. a detailed description of the vehicle type with respect to its structure, dimensions, lines and
constituent materials;
4.2.2. drawings of the vehicle showing the vehicle type in front, side and rear elevation and design
details of the forward and rear parts of the structure; and
4.2.3. particulars of the vehicle's unladen weight;
4.2.4. a detailed description of the protective devices: their dimensions, lines, constituent materials
and position on the vehicle.

5.5. 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 5.4.1. need not be repeated; in such a 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 5.4.1.
5.6. The approval mark shall be clearly legible and be indelible.
5.7. The approval mark shall be placed close to or on the vehicle data plate affixed by the
manufacturer.
5.8. Annex 2 to this Regulation gives examples of arrangements of the approval mark.
6. REQUIREMENTS
6.1. After each impact test made in accordance with the conditions and procedure specified in
Annex 3 to this Regulation the vehicle shall meet the following requirements:
6.1.1. The lighting and signalling devices shall continue to operate correctly and to remain
visible. Should the adjustment of the factory-fitted lighting devices be disturbed, it may be
corrected to conform to the required specifications, provided this can be done by the normal
means of adjustment. Bulbs may be replaced in the event of filament failure.
6.1.2. The vehicle's bonnet (hood), boot lid (trunk lid) and doors shall be operable in the normal
manner; in addition, the side doors of the vehicle shall not be able to open under the effect
of the impact.
6.1.3. The vehicle's fuel and cooling systems shall have neither leaks nor constricted fluid
passages which prevent normal functioning; their sealing devices and caps shall be
operable in the normal manner.
6.1.4. The vehicle's exhaust system shall not suffer any damage or displacement which would
prevent its normal function.
6.1.5. The vehicle's propulsion, suspension (including tyres), steering and braking systems shall
remain in adjustment and shall operate in a normal manner.
7. MODIFICATIONS OF VEHICLE TYPE
7.1. Every modification of the vehicle type shall be notified to the administrative department
which approved the vehicle type. The department may then either:
7.1.1. consider that the modifications made are unlikely to have appreciable adverse effects, and
that in any case the vehicle still complies with the requirements; or
7.1.2. require a further test report from the technical service responsible for conducting the tests.
7.2. Confirmation or refusal of approval, specifying the alterations, shall be communicated by the
procedure specified in Paragraph 5.3. above to the Parties to the Agreement which apply
this Regulation.

ANNEX 1
(Maximum format: A4 (210 x 297 mm))
Name of administration
Communication concerning the approval (or refusal or withdrawal of approval or production definitely
discontinued) of a vehicle type with regard to its front and rear protective devices (bumpers, etc)
pursuant to Regulation No. 42.
Approval No...............................
1. Trade name or mark of the power-driven vehicle ......................................................................
2. Vehicle type
3. Manufacturer's name and address ............................................................................................
4. If applicable, name and address of manufacturer's representative ...........................................
5. Brief description of the vehicle type as regards its structure, suspension, dimensions, lines
and constituent materials ...........................................................................................................
6. Brief description of the protective devices as regards, their lines, dimensions and constituent
materials.....................................................................................................................................
7. Weight and siting of engine........................................................................................................
8. Weight of vehicle when tested ...................................................................................................
unladen
laden
front axle: ……………………. ……………………. ……………………………...
rear axle: ……………………. ……………………. ……………………………...
total: ……………………. ……………………. ……………………………...
9. Indication of impact speeds and masses...................................................................................
10. Vehicle submitted for approval on..............................................................................................
11. Technical service responsible for conducting approval tests ....................................................
12. Date of report issued by that service .........................................................................................
13. Number of report issued by that service ....................................................................................

ANNEX 2
ARRANGEMENTS OF APPROVAL MARKS
Model A
(See Paragraph 5.4 of this Regulation)
a = 8 mm min.
The above approval mark affixed to a vehicle shows that the vehicle type concerned has, with regard to
its front and rear protective devices (bumpers, etc) been approved in the Netherlands (E 4) pursuant to
Regulation No. 42. The approval number indicates that the approval was granted in accordance with the
requirements of Regulation No. 42 in its original form.
Model B
(See Paragraph 5.5 of this Regulation)
a = 8 mm min.
The above approval mark affixed to a vehicle shows that the vehicle type concerned has been approved
in the Netherlands (E 4) pursuant to Regulation Nos. 42 and 33. The approval numbers indicate that,
at the dates when the respective approvals were given, Regulations Nos. 42 and 33 were still in their
original form.

2.4. Propulsion of the Impactor
The impactor may either be secured to a carriage (moving barrier) or form part of a
pendulum.
2.5. Special Provisions Applicable Where a Moving Barrier is Used
2.5.1. If the impactor is secured to a carriage (moving barrier) by a restraining element, the latter
must be rigid and be incapable of being deformed by the impact; the carriage shall at the
moment of impact be capable of moving freely and no longer be subject to the action of the
propelling device.
2.6. Special Provisions Applicable Where a Pendulum is Used
2.6.1. The distance between the pivot and the centre of percussion shall be at least 3,3 m. The
reference line shall coincide with the centre of percussion.
2.6.2. Plane A of the pendulum shall remain parallel with its axis of rotation throughout the test.
2.6.3. In the case of a parallelogram-suspended pendulum the trajectory described by any point on
the reference line shall be constant with a radius of at least 3,3 m.
2.7. Longitudinal Impact Test
2.7.1. This test consists of two impacts on the front surface and two impacts on the rear surface of
the vehicle. On each surface one impact is made with the vehicle under "unladen weight",
as defined in Paragraph 3.1.3. of this Regulation, and the other is made with the vehicle
under "laden test weight", as defined in Paragraph 3.1.4.
2.7.2. For the impacts on the front and rear surfaces, the choice of location of the impactor for the
first impact is free, but for the second impact the median plane of the impactor shall be at a
distance at least 300 mm from the first, provided that during these impacts the extremities of
the impactor do not pass outside a zone defined by two planes parallel to the longitudinal
median plane and passing through the corners of the vehicle.
2.7.3. The impactor shown in the figure should be placed so that Plane A is vertical and the
reference line is horizontal at the reference height of 445 mm.
2.7.4. The vehicle should be aligned so that a point between the vehicle corners touches but does
not move, the impactor, the longitudinal median plane of the vehicle being perpendicular to
Plane A of the impactor.
2.7.5. The vehicle should be impacted at a speed of 4 km/h + - 0,25 0
2.8. Corner Impact Test
2.8.1. This test consists of an impact at one front corner and an impact at one rear corner of the
vehicle, which is at unladen weight (see Paragraph 3.1.3. of the Regulation), and an impact
at the other front corner and the other rear corner with the vehicle at the weight given in
Paragraph 3.1.4.

Dimensions in millimetres
Figure
Impact Device
Bumpers Front and Rear.