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E /ECE/324/Rev.1/Add.27/Amend.5− E /ECE/TRANS/505/Rev.1/Add.27/Amend.5

 

 

 

23 August 2018

Comments by the Secretary

Remark 1:

Everything marked in blue needs to be adjusted due to the new Regulation

Remark 2:

Everything marked in yellow needs to be discussed

Remark 3:

Everything written in different colours has still to be overseen

 

 

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Agreement

Concerning the Adoption of Harmonized Technical United Nations Regulations 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 United Nations Regulations [*]

( Revision 3, including the amendments which entered into force on 14 September 2017 )

_________

Addendum xx – UN   Regulation No. 1xx

Amendment 0

Date of entry into force as an annex to the 1958 Agreement : Day .Month.Year

Uniform provisions concerning the approval of audible reverse warning devices and of motor vehicles with regard to their audible reverse warning signals

This document is meant purely as documentation tool. The authentic and legal binding text is: ECE/TRANS/WP.29/2017/3.


_________

UNITED NATIONS

 

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UN   Regulation No. 1xx , amend to read:

" Uniform provisions concerning the approval of audible reverse warning devices and of motor vehicles with regard to their audible reverse warning signals

Contents

Regulation Page

1. Scope ......................................................... 4

I. Part I: Audible reverse warning device ....................................... 4

2. Definitions ......................................................... 4

3. Application for approval ............................................... 5

4. Markings ......................................................... 5

5. Approval ......................................................... 6

6. Specifications ...................................................... 7

7. Modification and extension of approval of the type of the audible reverse warning device
12

8. Conformity of production ............................................... 12

9. Penalties for non-conformity of production ................................... 13

10. Production definitively discontinued  ....................................... 13

II. Part II: Audible reverse warning signals for motor vehicles ......................... 13

11. Definitions ......................................................... 13

12. Application for approval ................................................ 14

13. Approval ......................................................... 14

14. Specifications ...................................................... 15

15. Modification and extension of approval of vehicle type ............................ 16

16. Conformity of production ............................................... 17

17. Penalties for non-conformity of production .................................... 17

18. Production definitively discontinued  ....................................... 17

19. Names and addresses of Technical Services responsible for conducting approval tests
and Type Approval Authorities ........................................... 18

Annexes

1A Communication concerning the approval (or refusal or withdrawal of approval or production .. definitely discontinued) of a type of audible reverse warning device for motor vehicles pursuant to UN Regulation No. 1xx ……                             19

1B Communication concerning the approval (or refusal or withdrawal of approval or production .. definitely discontinued) of a vehicle type with regard to its audible reverse warning signals pursuant
to UN Regulation No. 1xx ………… ........................................ 24

2 Arrangement of the approval marks ......................................... 28

3 Qualification criteria for anechoic environment ................................. 30

4 Microphone positions for measurements of acoustic parameters of audible reverse warning

device ......................................................... 32

5 Microphone positions for measurements of audible reverse warning signals of motor vehicles .. 34


1. Scope

1.1. This Regulation applies to:

1.1.1.      PART I: Approval of audible reverse warning devices   which are intended for fitting to motor vehicles of categories [ M 2   ( M > 3500 kg )   N 2 ], N 3 and M 3 ; [1]

1.1.2. PART II: Approval of motor vehicles listed in 1.1.1. with regard to fitting of devices as specified under Part I automatically activated when reverse gear is selected and the propulsion system is on .

 

I. Part I. Audible reverse warning device

2. Definitions

For the purpose of this Regulation:

2.1. " Audible reverse warning device " means a device, emitting an acoustic signal for outside of the vehicle which is intended to give audible reverse warning of the presence of a vehicle automatically activated when reverse gear is selected and the propulsion system is on , with the primary purpose to fulfil the requirements of this Regulation ;

2.1.1. Non-self-adjustable audible reverse warning device ……

2.1.2. “S elf-adjustable audible reverse warning device ”… …….

 

2.2. Low Level” means the emitted sound level of the audible reverse warning device which is sufficient for safety of vulnerable road users   during qui e t e times   ( e.g. d uring 10:00 pm to 5:00 am )     and/or qui e t e areas .

 

2.3 Normal Level” means the emitted sound level of the audible reverse warning device which is sufficient for safety of vulnerable road users   during normal traffic hours   (e.g. during 5 :00 a m to 10 :00 p m )   and areas not covered by 2.2. and 2.4

 

2.4. High Level” means the emitted sound level of the audible reverse warning device which is sufficient for safety of vulnerable road users   during very loud times and/or loud areas     (e.g. road construction sites )

 

2.5. " Type of audible reverse warning device " means audible reverse warning devices  not differing essentially from each other with respect to such matters as:

2.5.1. Trade name or mark;

2.5.2. Principles of operation regarding sound pressure amplitude and frequency range;

2.5.2.1. Fixed arrangements

2.5.2.2. Variable arrangements due background noise

 

2.5.3 Type of electrical supply (direct or alternating current);

2.5.4. Rated voltage;

2.5.5. Shape or kind of sound outlet(s);

2.5.6. Rated sound frequency or frequencies;

2.6. A mbient noise” is any other sound than the alarm of the reverse warning device. Its SPL is measured in dB(A) and the area considered around the vehicle is regarded as a homogeneous sound field with the same SPL

2.7. “Tonal Sound” ….

2.8. “Broadband Sound ….   from 400 Hz to 10 kHz ….

2.9 “1/3 Octave Band Sound” . from 400 Hz to 4 kHz ….

2.10 “ ……. Sound”…… .

 

 

3. Application for approval

3.1. The application for approval of a type of audible reverse warning device shall be submitted by its manufacturer or by his duly accredited representative.

3.2. It shall be accompanied by a duly filled technical information document, either in paper format in triplicate or alternatively upon agreement with the Type Approval Authority in electronic format . A model of the technical information document is shown in Annex 1A .

3.3. In addition, the application for approval shall be accompanied by two samples of the type of audible reverse warning device.

3.4. The Type Approval Authority shall verify the existence of satisfactory arrangements for ensuring effective control of the conformity of production before type approval is granted.

4. Markings

4.1. Audible reverse warning devices excluding mounting accessories, shall bear:

4.1.1. The trade name or mark of the manufacturer and the model commercial name and/or number;

4.1.2. The approval mark according to paragraph 5.5.

4.2. The approval mark shall be shown on the audible reverse warning device according to paragraph   5.5. Each sample shall have a space of adequate dimensions for the approval mark; this space shall be indicated in the drawing.

4.3. All markings shall be clearly legible and indelible.

5. Approval

5.1. If the two samples submitted for approval conform to the provisions of paragraph 6. below, approval for this type of audible reverse warning device shall be granted.

5.2. An approval number shall be assigned to each type approved. Its first two digits (at present 00 for the UN Regulation in its original form) shall indicate the series of amendments incorporating the most recent major technical amendments made to the UN Regulation at the time of issue of the approval. The same Contracting Party may not assign this number to another type of audible reverse warning device.

5.3. The same approval number may be assigned to types of audible reverse warning device differing only with respect to rated voltage, rated sound frequency or frequencies.

5.4. Communication on approval or refusal or extension or withdrawal of approval or production definitely discontinued of a type of audible reverse warning device pursuant to this UN Regulation shall be communicated to the Parties to the Agreement applying this UN Regulation by means of a form conforming to the model in Annex 1A to the UN Regulation.

5.5. On every audible reverse warning device which conforms to a type approved under this Regulation, there shall be affixed conspicuously, in an easily accessible place indicated on the approval form, an international approval mark comprising:

5.5.1. A circle containing the letter "E" followed by the distinguishing number of the country granting approval [2] ;

5.5.2. An approval number;

5.5.3. An additional symbol in the form of a figure in Roman numerals, showing the class to which the audible reverse warning device belongs.

5.6. Annex 2, Section I, to this Regulation gives an example of the arrangement of the approval mark.

5.7. The Type Approval Authority or its duly accredited technical service shall verify the arrangements of the marks for ensuring effective control of the conformity of production before type approval is granted.

6. Specifications

6.1. General specifications

6.1.1. The audible reverse warning device shall emit a sound acting automatically , activated when reverse gear is selected and the propulsion system is on .

The sound shall be periodical with [ 30 to 80 ] cycles per minute and the time sending the   sound and sending no sound shall be nearly the same.

 

For audible reverse warning devices , supplied with alternating current, this requirement shall apply only at constant generator speed, within the range specified in paragraph   6.3.4.2.

The type approval tests shall be carried out on two samples of each type submitted by the manufacturer for approval; both the samples shall be subjected to all the tests and must conform to the technical specifications laid down.

6.1.2. The audible reverse warning device shall have acoustic characteristics (spectral distribution of the acoustic energy, sound pressure level) and mechanical characteristics such that it passes, in the order indicated, the tests according to paragraphs 6.3. and   6.4.

6.2. Measuring instruments

6.2.1. Acoustic measurements

6.2.1.1. When no general statement or conclusion can be made about conformance of the sound level meter model to the full specifications of IEC 61672-1:2013, [3] the apparatus used for measuring the sound pressure level shall be a sound level meter or equivalent measurement system meeting the requirements of Class 1 instruments as described in IEC   61672-3:2013. 3 Measurements shall be carried out using the "fast" response of the acoustic measurement instrument and the "A" weighting curve as described in IEC   61672-1:2013 3 . When using a system that includes a periodic monitoring of the A-weighted sound pressure level, a reading should be made at a time interval not greater than 30 ms.

When measurements of the sound pressures in the one-third mid-band frequencies 2,000, 2,500, 3,150 and 4,000 Hz are carried out for one-third octaves, the instrumentation shall meet all requirements of IEC 61260-1-2014, class   1. The sound pressure level in the mid-band frequency 2,500   Hz shall be determined by adding the quadratic means of the sound pressures in the one-third mid-band frequencies 2,000, 2,500, 3,150 and 4,000 Hz.

When measuring the rated sound frequency (or frequency range) , the digital sound recording system shall have at least a 16 bit quantization. The average auto power spectrum shall be determined, using a Hanning window and at least 66.6 per cent overlap averages.

The instruments shall be maintained and calibrated in accordance with the instructions of the instrument manufacturer.

6.2.1.2. Calibration of the entire Acoustic Measurement System for a Measurement Session

At the beginning and at the end of every measurement session the entire measurement system shall be checked by means of a sound calibrator that fulfils the requirements for sound calibrators of at least precision Class 1 according to IEC 60942:2003. Without any further adjustment the difference between the readings of two consecutive checks shall be less than or equal to   0.5 dB.

If this value is exceeded, the results of the measurements obtained after the previous satisfactory check shall be discarded.

6.2.1.3. Compliance with requirements

Compliance of the sound calibrator with the requirements of IEC   60942:2003 and compliance of the instrumentation system with the requirements of IEC   61672-3:2013 3 shall be confirmed by the existence of a valid certificate of compliance.

6.2.2. Instrumentation for other measurements

The voltage shall be measured with instrumentation having an accuracy of   ±0.05 V or better.

The resistance shall be measured with instrumentation having an accuracy of ±0.01 Ω or better.

The distance shall be measured with instrumentation having an accuracy of ±5 mm or better.

The time shall be measured with instrumentation having an accuracy of ±0.02   s or better.

The meteorological instrumentation used to monitor the environmental conditions during the test shall include the following devices, which meet at least the following accuracy:

(a) Temperature measuring device, ±1° C;

(b) Wind speed-measuring device, ±1.0 m/s;

(c) Barometric pressure measuring device, ±5 hPa;

(d) A relative humidity measuring device, ±5 per cent.

6.3. Measurement of the sound characteristics ( N on- self- adjustable audible reverse warning device   to ambient sound emission ) .

6. 3 .1. The audible reverse warning device should, preferably, be tested in an anechoic chamber. Alternatively, it may be tested in a semi-anechoic chamber or in an open space. [4] In these cases, precautions shall be taken to avoid reflections from the ground within the measuring area (for instance by erecting a set of absorbing screens). The wind speed shall be not more than 5 m/s. The ambient noise level shall be at least 10   dB lower than the sound pressure level to be measured.

If the test facility shall be qualified as an anechoic environment it shall meet requirements of Annex   3.

6.3.2. The audible reverse  warning device to be tested and the microphone shall be placed at the same height. This height shall be 1.20  ± 0.05 m .

In alternative, the audible reverse warning device to be tested and the microphone may be placed in another tra verse line which complies with Annex   3 specification for anechoic environment.

The microphone shall be so placed that its diaphragm is at a distance
of 2.00 ± 0.05 m from the plane of the sound outlet of the audible reverse warning device . The microphone must be positioned facing the front surface emitting sound of the audible reverse warning device in the direction in which the maximum sound level can be measured. (see figures in Annex 4).

6.3.3. The audible reverse warning device shall be mounted rigidly, by means of the equipment indicated by the manufacturer, on a support whose mass is at least ten times that of the audible reverse warning device under test and not less than 30 kg . In addition, arrangements must be made ensuring that reflections on the sides of the support and its own vibrations have no appreciable effect on the measuring results.

6.3.4. The audible reverse warning device shall be supplied with current, as appropriate, at the following voltages:

6.3.4.1. In the case of audible reverse warning device supplied with direct current, at a voltage measured at the terminal of the electric power source of 13/12 of the rated voltage;

6.3.4.2. In the case of audible reverse warning device supplied with alternating current, the current shall be supplied by an electric generator of the type normally used with this type of audible reverse warning device. The acoustic characteristics of the audible reverse warning device shall be recorded for electric generator speeds corresponding to 50 per cent, 75 per cent and 100 per cent of the maximum speed indicated by the manufacturer of the generator for continuous operation. During this test, no other electrical load shall be imposed on the electric generator. The endurance test described in paragraph 6.4. shall be carried out at a speed indicated by the manufacturer of the equipment and selected from the above range.

6.3.5. If a rectified current source is used for the test of an audible reverse warning device supplied with direct current, the alternating component of the voltage measured at its terminals, when the audible reverse warning devices are in operation, shall not be more than 0.1 V, peak to peak.

6.3.6. For audible reverse warning device supplied with direct current, the resistance of the connecting leads, expressed in ohms, including terminals and contacts, shall be as close as possible to (0,10/12) x rated voltage in volt. 

6.3.7. Under the conditions set forth above, the sound-pressure level weighted in accordance with curve A shall not exceed the following values for

6.3.7.1. N on - self- adjustable audible reverse warning device to ambient sound emission

 

 

Tonal Sound

Broadband Sound
 

1/3 Octave Band Sound
 

 

Min.
Level

Max.
Level

Min.
Level

Max.
Level

Min.
Level

Max.
Level

 

dB(A)

dB(A)

dB(A)

dB(A)

dB(A)

dB(A)

Low Level

55

68

50

64

45

61

Normal Level

75

88

70

84

65

81

High Level

90

105

8 5

101

8 0

98

[ Table 1 ]

 

6. 4 . Measurement of the sound characteristics ( Self- adjustable audible reverse warning device   to ambient sound emission )  

………….. add measurement procedure……..

6. 4 3 .7.2. Automatically self- adjustable audible reverse warning device to ambient sound emission shall be at least:

(a) for tonal sound

[+ 5 dB(A) ± 1 ] to the ambient sound emission between [ 63 to 100 ] dB(A)

 

(b) for broadband sound 

[+ 5 dB(A) ± 1 ] to the ambient sound emission between [ 6 0 to 95 ] dB(A)

 

(c) for 1/3 Octave Band Sound

[+ 1 dB(A) ± 5 ] to the ambient sound emission between [ 55 to 93 ] dB(A).  

 

6. 5 3. 8 . The specifications indicated above shall also be met by an audible reverse warning device subjected to the endurance test referred to in paragraph 6.4 . below, with the supply voltage varying between 115 per cent and 95 per cent of its rated voltage for audible reverse warning device supplied with direct current or, for audible reverse warning device supplied with alternating current, between 50 per cent and 100 per cent of the maximum speed of the generator indicated by the manufacturer for continuous operation.

6.3.9. The time lapse between the moment when the audible reverse warning device is actuated and the moment when the sound reaches the minimum value prescribed in Table 1 above shall not exceed [ two cycles ] measured at an ambient temperature of 20   +   5 ºC.

6.3.10. To confirm the rated sound frequency (or frequency range) of audible reverse warning device the tests to measure this parameter using a spectrum analyzer with a frequency resolution of at least 1 Hz shall be conducted. The measured frequency (or frequency range) of the audible reverse warning device may differ from the rated sound frequency (or frequency range) no more than 10 per cent.

6.4. Endurance test

6.4.1. The audible reverse warning device shall be supplied with current at the rated voltage and with the connecting lead resistances specified in paragraphs 6.3.4. to 6.3.6. above, and operated respectively for a times of [ 24] hours .

During the test, the audible reverse warning device shall be ventilated by an air current having a speed of approximately 10 m/s .

6.4.2. If the test is made in an anechoic chamber, the chamber shall be large enough to ensure normal dispersal of the heat released by the audible reverse warning device during the test.

6.4.3. The ambient temperature in the testing room shall be between +15 and +30   ºC inclusively.

6.4.4. If, after the audible reverse warning device has been operated for half the number of times prescribed, the sound-level characteristics are no longer the same as before the test, the audible reverse warning device may be adjusted.  After being operated the prescribed number of times, and after further adjustment if necessary, the audible reverse warning device must pass the test described in paragraph 6.3. above.

7. Modification and extension of approval of the type of the audible reverse warning device

7.1. Every modification of the type of the audible reverse warning device shall be notified to the Type Approval Authority which granted approval to that type of the audible reverse warning device. This Type Approval Authority may then:

7.1.1. Either take the view that the modifications made are not likely to have any appreciable adverse effect;

7.1.2. Or call for a new  report from the Technical Service responsible for the tests.

7.2. Communication on confirmation of the approval, with particulars of the modifications, or of refusal of approval shall be communicated to the Parties to the Agreement applying this Regulation, in accordance with the procedure indicated in paragraph 5.4. above.

7.3. The Type Approval Authority issuing the extension of approval shall assign a series number to each communication form drawn up for such an extension.

8. Conformity of production

The conformity of production procedures shall comply with those set out in the 1958 Agreement, Schedule 1 (E/ECE/TRANS/505/Rev.3 ) with the following requirements:

8.1. Audible reverse warning device approved under this Regulation shall be so manufactured as to conform to the type approved by meeting the requirements set forth in paragraph   6. above.

8.2. 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.

9. Penalties for non-conformity of production

9.1. The approval granted to a type of audible reverse warning device pursuant to this Regulation may be withdrawn if the conditions set forth in paragraph 8.1. are not complied with or if the audible reverse warning device fails to pass the checks referred to in paragraph 8.2. above.

9.2. Should a Party to the Agreement applying this Regulation withdraw an approval which it has previously granted, it shall forthwith notify the other Contracting Parties applying this Regulation by means of a copy of the approval form bearing at the end in large letters the statement, signed and dated: "APPROVAL WITHDRAWN".

10. Production definitively discontinued

If the holder of an approval granted pursuant to this Regulation discontinues the production of the type of audible reverse warning device approved, he shall inform the authority which granted the approval. Upon receipt of the communication, this authority shall inform the other Parties to the Agreement applying this Regulation by means of a copy of the approval form bearing at the end in large letters the statement, signed and dated: "PRODUCTION DISCONTINUED".

II. Part II. Audible reverse warning signals of motor vehicles

11. Definitions

For the purpose of this Regulation,

11.1. " Approval of the motor vehicle " shall be understood to mean approval of a vehicle type with regard to its audible reverse warning signal;

11.2. " Vehicle type " shall be understood to mean vehicles not essentially different from another with respect to such matters   affecting the acoustical behaviour as:

11.2.1. The number and type(s) of audible reverse warning devices fitted on the vehicle;

11.2.2. The position of the audible reverse warning device(s) on the vehicle (e.g. height of mounting, position to the end of the vehicle, etc.);

11.2.3. The shape and  materials of the bodywork at the rear of the vehicle which might affect the level of the sound emitted by the audible reverse warning device(s) and have a masking effect.

11. 3 " Technically permissible maximum laden mass (M) " means the maximum   mass allocated to a vehicle on the basis of its construction features and its   design performances; the technically permissible laden mass of a trailer or of   a semi-trailer includes the static mass transferred to the towing vehicle when   coupled;

11. 4 “Background noise” or “ambient noise” is any other sound than the alarm of the reverse warning device. Its SPL is measured in dB(A) and the area considered around the vehicle is regarded as a homogeneous sound field with the same SPL.

11.5 . Low Level” as defined in 2.2.

 

11.6. Normal Level”   as defined in 2. 3.

 

11.7 . High Level” as defined in 2. 4.

 

 

[ 11. 8 .   "Pause function" means a mechanism to halt temporarily the operation of a reverse warning device . ]

 

12. Application for approval

12.1. The application for approval of a vehicle type with regard to its audible reverse warning signals shall be submitted by the vehicle manufacturer or by his duly accredited representative;

12.2. It shall be accompanied by a duly filled technical information document, either in paper format in triplicate or alternatively upon agreement with the Type Approval Authority in electronic format . A model of the technical information document is shown in Annex 1 B .

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

13. Approval

13.1. If the vehicle type submitted for approval pursuant to this Regulation meets the requirements of paragraph 14. below, approval for this vehicle type shall be granted.

13.2. An approval number shall be assigned to each type approved. Its first two digits (at present 00 for the UN Regulation in its original form) shall indicate the series of amendments incorporating the most recent major technical amendments made to the UN Regulation at the time of issue of the approval. The same Contracting Party may not assign this number to another vehicle type.

13.3. Communication on approval or extension or withdrawal of approval or production definitely discontinued of a vehicle type pursuant to this Regulation shall be communicated to the Parties to the Agreement applying this Regulation by means of a form conforming to the model in Annex 1B to the UN Regulation.

13.4. On every vehicle which conforms to a vehicle type approved under this Regulation there shall be affixed conspicuously, in an easily accessible place indicated on the approval form, an international approval mark comprising:

13.4.1. A circle surrounding the letter "E" followed by the distinguishing number of the country which has granted approval [5] ;

13.4.2. The number of this Regulation, followed by the letter "R", a dash and the approval number placed to the right of the circle prescribed in paragraph   13.4.1.

13.5. 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 13.4.2. need not be repeated; in such a case the UN Regulation and approval numbers and the additional symbols of all the UN 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   13.4.

13.6. The approval mark must be clearly legible and indelible.

13.7. The approval mark shall be placed near the plate bearing the characteristics of the vehicle and may also be affixed to this plate.

13.8. Annex 2, Section II, to this Regulation gives an example of the arrangement of the approval mark.

13.9. The Type Approval Authority shall verify the existence of satisfactory arrangements for ensuring effective control of the conformity of production before type approval is granted.

14. Specifications

14.1. General specifications

14.1.1. The audible reverse warning device shall be so designed, constructed and assembled as to enable the vehicle, when reverse gear is selected and the propulsion system is on , despite the vibration to which it may be subjected, to comply with the provisions of this Regulation.

14.1.2. The audible reverse warning device(s)  and its (their) mounting elements to the vehicle shall be so designed, constructed and assembled as to be able to reasonably resist the corrosive phenomena to which it is exposed with regards to the conditions of use of the vehicle, including regional climate differences.

14.2. Specifications regarding sound levels

14.2.1. The sound made by the audible reverse warning device(s)  fitted to the vehicle type submitted for approval shall be measured by the methods described in paragraph 14.3.;

14.2.2. Measured under the conditions specified in paragraph s 14.3. the sound-pressure level of the signal tested of the

14.2.2.1. Non-self-adjustable audible reverse warning device to ambient sound emission shall be:

 

Tonal Sound

Broadband Sound

1/3 Octave Band Sound

 

Min.
Level

Max.
Level

Min.
Level

Max.
Level

Min.
Level

Max.
Level

 

dB(A)

dB(A)

dB(A)

dB(A)

dB(A)

dB(A)

Low Level

50

58

46

54

43

51

Normal Level

68

78

64

74

61

71

High Level

85

95

81

91

78

88

 

[Table 2]

 

14.2.2.2. Automatically self- adjustable audible reverse warning device to ambient sound emission shall be at least:

(a) for tonal sound

[ + 5   dB(A) ± 1 ]   to the ambient sound emission between [ 4 5   to   9 0 ] dB(A)

 

( b ) for broadband sound from 400 Hz to 10 kHz  

[+ 5 dB(A) ± 1 ] to the ambient sound emission between [ 4 0 t o 90 ] dB(A)

 

( c ) for 1/3 Octave Band Sound in between 400 Hz and 4 kHz

[+ 1 dB(A) ± 5 ] to the ambient sound emission between [ 4 0 t o 9 0 ] dB(A) .

 

 

14.2.3. The values measured in accordance with the provisions of paragraph 14.3 shall be entered in the test report and a communication corresponding to the model shown in Annex 1B.

[ 14.3. Pause function

The manufacturer may install a function for temporary deactivation of the reverse warning sound when the vehicle of category M2 (M>3500 kg), N2, M3 or N3 is equipped with rear camera or SONAR which complied with UN Regulation No. 46. Any other deactivation function, which does not satisfy the specification below, is prohibited.

1 4 . 3 .1. The function shall be located so that it is operable by the driver in a normal seating position.

1 4 . 3 .2. In the case when the pause function is activated, the suspension of reverse warning sound has to be c learly indicated to the driver.

1 4 . 3 .3. The reverse warning device shall be reactivated to Normal Level   when the vehicle is star ted upon each vehicle turn-off.

1 4 . 3 .4. Owner’s manual information

If a pause function is installed, the manufacturer shall provide the owner with information (e.g. in the owner’s manual) on its effect:

"The pause function of the reverse warning sound device shall not be used unless for an obvious lack of necessity to emit sound for alert in the surrounding area and that it is certain that there are no pedestrians within the short distance." ]

14.4. The Non-self-adjustable audible reverse warning device shall   autom atically return to N ormal L evel when the vehicle is started upon each vehicle turn-off.

 

14. 5 3 . Methods of measurement on stationary vehicle of the sound characteristics ( N on- self- adjustable audible reverse warning device   to ambient sound emission )  

 

14. 5 3 .1. The vehicle shall comply with the following specifications:

14. 5 3 .1.1. The audible reverse warning device(s) fitted on the vehicle shall be of a type approved under this Regulation (Part I);              

14. 5 3 .1.2. The test voltage shall be as specified in paragraph 6.3.4. of this Regulation;

In case of audible reverse warning device(s) supplied with direct current, the test voltage shall be supplied by either:

(a) The vehicle battery only; or

(b) The vehicle battery with the vehicle engine warmed-up and at idle; or

(c) With an external power source supply connected to the audible reverse warning device(s) .

14. 5 3 .2. The sound pressure level and other measurements shall be made according to the conditions specified in paragraph 6.2. of this Regulation.

14. 5 3 .3. The A-weighted sound pressure level emitted by the audible reverse warning device(s)  fitted on the vehicle shall be measured at a distance of 7.00 ± 0.10 m to the rear of the vehicle (see figures in Annex 5) , which is being placed on an open site [6] , on flat concrete or asphalt surface.

14. 5 3 .4. The microphone of the measuring instrument shall be placed approximately (±   0.10 m) in the mean longitudinal plane of the vehicle;

14. 5 3 .5. Background noise and wind noise must be at least 10 dB (A) below the sound to be measured;

If the difference between the ambient noise and the measured sound is between 10 and 15 dB(A), in order to calculate the test results the appropriate correction shall be subtracted from the readings on the sound-level meter, as in the following table:

Difference between ambient noise and sound to be measured

10

11

12

13

14

15

Correction dB(A)

0.5

0.4

0.3

0.2

0.1

0.0

 

The background noise shall be measured for duration of 10 seconds   immediately before and after a series of vehicle tests. The measurements shall be made with the same microphones and microphone locations used during the test. The A-weighted maximum sound pressure level shall be reported.

Add from R138 background conditions plus table

14. 5 3 .6. The maximum sound-pressure level shall be sought within the range of 0.5 and 1.5 m above the ground, and the height, at which the maximum sound-pressure level was found has to be fixed for the purpose of taking the measurements prescribed below .

The sound pressure level shall be measured at that fixed height for a duration of at least 3 second s . The final result shall be the maximum A-weighted sound pressure level of the reading period, rounded mathematically to the nearest integer.

………….. add measurement procedure… for Automatically self- adjustable audible reverse warning device   fitted to a vehicle …..

 

15. Modification and extension of approval of the vehicle type

15.1. Every modification of the vehicle type shall be notified to the Type Approval Authority which granted approval to the vehicle type. This Type Approval Authority may then:

15.1.1. Either take the view that the modifications made are not likely to have any appreciable adverse effect and that in any case the vehicle still meets the requirements; or

15.1.2. Call for a new report from the Technical Service responsible for the tests.

15.2. Communication on confirmation of approval with particulars of the modifications, or of refusal of approval shall be communicated to the Parties to the Agreement applying this Regulation, in accordance with the procedure indicated in paragraph 13.3. above.

15.3. The Type Approval Authority issuing the extension of approval shall assign a series number to each communication form drawn up for such an extension.

16. Conformity of production

The conformity of production procedures shall comply with those set out in the 1958 Agreement, Schedule 1 (ECE/TRANS/505/Rev.3) with the following requirements:

16.1. A vehicle approved under this Regulation shall be so manufactured as to conform to the type approved by meeting the requirements set forth in paragraph 14. above.

16.2. The Type Approval 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.

17. Penalties for non-conformity of production

17.1. The approval granted to a vehicle type pursuant to this Regulation may be withdrawn if the conditions set forth in paragraph 16.1. above are not complied with, or if the vehicle fails to pass the checks referred to in paragraph 16.2. above.

17.2. Should a Party to the Agreement applying this Regulation withdraw an approval which it has previously granted, it shall forthwith notify the other Contracting Parties applying this Regulation by means of a copy of the approval from bearing at the end in large letters the statement, signed and dated: "APPROVAL WITHDRAWN".

18. Production definitively discontinued

18.1. If the holder of the approval completely ceases to manufacture a vehicle type 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 1B to this Regulation.

19. Names and addresses of Technical Services responsible for conducting approval tests and of Type Approval Authorities

The Contracting Parties to the 1958 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 Type Approval Authorities 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.


Annex 1A

Communication

(maximum format: A4 (210 x 297 mm ))

[7]

Concerning: [8] Approval granted

Approval extended

Approval refused

Approval withdrawn

Production definitively discontinued

issued by: Name of administration:

........................................

........................................

........................................

 

 

of a type of 2

audible reverse warning device

 

for motor vehicles pursuant to UN Regulation   No. 1xx

Approval No.: .002439 [9]                                                        Extension No.: 00

Section I

0.1. Make (trade name (mark) of manufacturer):

0.2. Type or commercial description:

0.3. Means of identification of type if marked: [10]

0.3.1. Location of that marking:

0.4. Company name and address of manufacturer:

0.5. Name and address of the manufacturer's representative (if any):

0.6. Names and address(es) of assembly plant(s):

Section II

1. Additional information (where applicable): See Addendum

2. Technical service responsible for carrying out the tests:

3. Date of test report:

4. Number of test report:

5. Remarks (if any): See Addendum

6. Place:

7. Date:

8. Signature:

9. Reasons for Extensions:

              Attachments:

Information package

Test report(s)

Addendum to the communication form No.   002439, [11] Extension No.: 00

1. Additional information

1.1. Brief description of a principle of operation

1.2. Rated voltage(s), V 2

1. 3 . Rated sound frequency (or frequencies), Hz 2

2. Test results for each of two samples:

2.1. For tonal sound A-weighted sound pressure level, dB(A) 1

For broadband sound from 400 Hz to 10 kHz A-weighted sound pressure, dB(A) 1

For 1/3 Octave Band Sound in between 400 Hz and 4 kHz 1/3 A-weighted sound pressure level in dB(A) 1

2.4. Endurance test: passed / not passed 2

3. Remarks


Annex 1A – Appendix 1

Technical Information Document for type approval of audible reverse warning device
for motor vehicles

0. General

0.1. Make (trade name (mark) of manufacturer):

0.2. Type or commercial description:

0.3. Means of identification of type if marked:

0.3.1. Location of that marking:

0.4. Principles of operation: Fixed arrangements / Variable arrangements due background noise [12] :

0.5. Company name and address of manufacturer:

0.6. Name and address of the manufacturer's representative (if any):

0.7. Names and address(es) of assembly plant(s):

1. General construction characteristics;

1.1. Brief description of a principle of operation

1.2. Rated voltage(s), V; 1

1.2.1. Type of electrical supply (direct or alternating current);

1.3. Rated sound frequency (or frequencies), Hz; 1

1.4. Outer shape of case;

1.5. Shape or kind of sound outlet(s);

1.6. Photographs and/or drawings;

1.7. D rawings show ing the place provided for the approval number in relation to the circle of the approval mark; the location and the appearance of trade name or mark of the manufacturer and type or commercial description (if any);

1.8. A list of the components used in production , duly identified, with an indication of the materials used;

1.9. D rawings in cross section and of all the components used in production.

Signed:

Position in company:

Date:


Annex 1B

Communication

(maximum format: A4 (210 x 297 mm ))

[13]

concerning: [14] Approval granted

Approval extended

Approval refused

Approval withdrawn

Production definitively discontinued

issued by: Name of administration:

........................................

........................................

........................................

 

of a vehicle type with regard to its audible signals pursuant to UN Regulation   No. 28

Approval No.: .002439 [15]                                                  Extension No.: 00

Section I

0.1. Make (trade name of manufacturer of vehicle):

0.2. Type:

0.3. Means of identification of type if marked on the vehicle: [16]

0.3.1. Location of that marking:

0.4. Category of vehicle: [17]

0.5. Company name and address of manufacturer:

0.6. Names and address(es) of assembly plant(s):

0.7. Name and address of the manufacturer's representative (if any):

Section II

1. Additional information (where applicable): See Addendum

2. Technical service responsible for carrying out the tests:

3. Date of test report:

4. Number of test report:

5. Remarks (if any): See Addendum

6. Place:

7. Date:

8. Signature:

9. Reasons for Extensions:

Attachments:

Information package

Test report(s)

Addendum to the communication form No.   002439, 3 Extension No.: 00

1. Additional information

1.1. Make (trade name (mark) of manufacturer) of audible reverse warning device(s):

1.2. Type or commercial description of audible reverse warning device(s):

1.3. Means of identification of type if marked on the audible reverse warning device(s) : [18]

1.4. The approval number and issuing authority of audible reverse warning device(s) :

2. Test results

2.1 . Power supply used: Vehicle battery only / Battery with vehicle engine at idle / External power supply 2

2.2. For tonal sound A -weighted sound pressure level [19]

For broadband sound from 400 Hz to 10 kHz A-weighted sound pressure 7

For 1/3 Octave Band Sound in between 400 Hz and 4 kHz 1/3 A-weighted sound pressure level 7

Low Level:   A-weighted sound pressure level: .......... dB (A)

Normal Level:   A-weighted sound pressure level: .......... dB(A)

High Level :   A-weighted sound pressure level: .......... dB(A)

 

3. Remarks


Annex 1B – Appendix 1

Technical Information Document for type approval of a vehicle with regard to its audible reverse warning signals

0. General

0.1. Make (trade name of manufacturer of vehicle):

0.2. Type:

0.3. Means of identification of type if marked on the vehicle [20] :

0.3.1. Location of that marking:

0.4. Category of vehicle: [21]

0.5. Company name and address of manufacturer:

0.6. Name and address of the manufacturer's representative (if any):

0.7. Name(s) and Address(es) of assembly plant(s):

0.8. Make (trade name (mark) of manufacturer) of audible reverse warning device(s):

0.9. Type or commercial description of audible reverse warning device(s):

0.10. Means of identification of type if marked on the audible reverse warning device(s) : [22]

0.11. The approval number and issuing authority of audible reverse warning device(s):

0.12. Rated voltage(s), V: [23]

0.13. Type of electrical supply (direct or alternating current):

1. General construction characteristics of the mountings of the audible reverse warning device(s) on the vehicle

1.1. Photographs or drawings of a representative vehicle:

1.2. Drawings of the mountings and mounting position(s) of the audible reverse warning device(s):

1.3. Description of the component materials in front of the audible reverse warning device(s):

1.4. A list of the components used in production on which the audible reverse warning device(s) are fitted, duly identified, with indication of the materials used;

1.5. Detailed drawings of all the components on which the device(s) are fitted, used in production ;

Signed:

Position in company:

Date:


Annex 2

Arrangement of the approval mark

I. Arrangement of the approval mark of the audible reverse warning device

(see paragraph 5.5. of this Regulation)

 

надписи 3-3-1

надписи 3-3-1

 

The above approval mark affixed to an audible reverse warning device shows that this audible reverse warning device has been approved in the Netherlands (E 4) under approval number 002439. The first two digits of the approval number indicate that the approval was granted in accordance with the requirements of UN Regulation No. 1xx in its original form.

Note s :

1. The approval number must be placed close to the circle and must be in a position either above or below the letter "E" or to left or right of that letter. The digits of the approval number must be on the same side of the letter "E" and face in the same direction. The use of Roman numerals as approval numbers should be avoided so as to prevent any confusion with other symbols.

2. Approval marks of already existing types of audible reverse warning devices (systems) or vehicle types may be continued to be used.


II. Arrangement of the approval mark of vehicle with regard to its audible reverse warning signals

(see paragraph 13.4. of this Regulation)

Model A

надписи 3-1

 

 

The above approval mark affixed to a vehicle indicates that, pursuant to UN   Regulation No. 1xx , this vehicle type has been approved in the Netherlands (E 4), with regard to its audible warning signals. The first two digits of the approval number indicate that UN Regulation No. 1xx was in its original form.

 

Model B

 

надписи 3-3

 

 

 

The above approval mark affixed to a vehicle shows that the vehicle type concerned has been approved in the Netherlands (E 4) pursuant to UN Regulations Nos. 1xx and 33. [24] The approval numbers indicate that, at the dates when the respective approvals were granted, UN   Regulation No. 1xx and UN Regulation No. 33 were in their original form.


Annex 3

Qualification criteria for anechoic environment

The anechoic environment shall meet the requirements of ISO 26101:2012 with the following qualification criteria and measurement requirements appropriate to this test method. For qualifying the acoustic space, the following evaluation shall be conducted:

   Sound source location shall be placed in position of the audible warning device, audible warning system , multiple audible warning system to be tested;

   Sound source shall provide a broadband input for measurement;

   Evaluation shall be conducted in one-third-octave bands;

   Microphone locations for evaluation shall be on a line from the source location to position of the microphone used for measurement. This is commonly referred to as the microphone tra verse ; only one microphone tra verse line from the microphone to sound source shall be used;

   A minimum of 10 points shall be used for evaluation on the microphone tra verse line. The measurement shall start at 0.5 ± 0.05 m from the sound source, and spacing shall be 0.15 m (e.g. Figure 1 );

   The one-third-octave bands used to establish anechoic qualification shall be defined to cover the spectral range of interest from 250 Hz to 10 kHz;

   The deviations of the measured sound pressure levels from those estimated using the inverse square law, shall not exceed the values given in the following table.

One-third-octave-band frequency (Hz)

Allowable deviations (dB)

≤ 630

800 to 5000

≥ 6300

±1.5

±1.0

±1.5

 


Figure 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

( All dimensions are in m )

 


Annex 4

Microphone positions for measurements of acoustics parameters of audible reverse warning device

All dimensions are in m

 


Annex 5

Microphone positions for measurements of audible reverse warning signals of motor vehicles

 

     Change vehicle layout/drawing from PC to Heavy Commercial vehicle

         

 


[*] * Former titles of the Agreement:

Agreement concerning the Adoption of Uniform Conditions of Approval and Reciprocal Recognition of Approval for Motor Vehicle Equipment and Parts, done at Geneva on 20 March 1958 (original version);

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, done at Geneva on 5 October 1995 (Revision 2).

[1] As defined in the Consolidated Resolution on the Construction of Vehicles (R.E.3.), document ECE/TRANS/WP.29/78/Rev.6, para. 2 - www.unece.org/trans/main/wp29/wp29wgs/wp29gen/wp29resolutions.html

[2] The distinguishing numbers of the Contracting Parties to the 1958 Agreement are reproduced in Annex 3 to the Consolidated Resolution on the Construction of Vehicles (R.E.3), document ECE/TRANS/WP.29/78/Rev. 6, Annex 3 - www.unece.org/trans/main/wp29/wp29wgs/wp29gen/wp29resolutions.html

[3] For the purpose of this Regulation, the previous versions of the standards IEC 61672-1:2004   and IEC 61672-3:2006 may be applied.

[4] The site may take the form, for instance, of an open space of 50 m radius, the central part of which must be practically horizontal over a radius of at least 20 m, the surface being of concrete, asphalt or a similar material, which must not be covered with powdery snow, tall weeds, or loose soil or cinders, as mentioned in ISO 10844:2014. The measurements shall be made on a clear day. No-one other than the observer reading the instrument shall remain near the audible reverse warning device or the microphone, since the presence of spectators may affect the readings of the instrument to a considerable extent, if they are near the audible reverse warning device or the microphone. Any peak which appears to be unrelated to the general sound level shall be disregarded in the reading.

[5] The distinguishing numbers of the Contracting Parties to the 1958 Agreement are reproduced in Annex 3 to the Consolidated Resolution on the Construction of Vehicles (R.E.3), document ECE/TRANS/WP.29/78/Rev. 6, Annex 3 - www.unece.org/trans/main/wp29/wp29wgs/wp29gen/wp29resolutions.html .

[6] See paragraph 6.3.l., footnote 4.

[7] Distinguishing number of the country which has granted/extended/refused/withdrawn approval (see approval provisions in the Regulation). The proportions and dimensions in accordance with Annex 3.

[8] Delete (strike out) what does not apply .

[9] Example of Approval No and Extension No. The first two digits of the approval number indicate that UN Regulation No. 1xx was in its original form.

[10] If the means of identification of type contains characters not relevant to describe the type warning devices covered by the type-approval certificate such characters shall be represented in the documentation by the symbol: '?' (e.g. ABC??123??).

[11] Example of Approval No and Extension No. The first two digits of the approval number indicate that UN Regulation No. 1xx was in its original form.

[12] Delete (strike out) what does not apply.

[13] Distinguishing number of the country which has granted/extended/refused/withdrawn approval (see approval provisions in the Regulation). The proportions and dimensions in accordance with Annex 2.

[14] Delete (strike out) what does not apply .

[15] Example of Approval No and Extension No. The first two digits of the approval number indicate that Regulation No. 1xx was in its original form.

[16] If the means of identification of type contains characters not relevant to describe the vehicle types covered by the type-approval certificate such characters shall be represented in the documentation by the symbol: '?' (e.g. ABC??123??).

[17] As defined in R.E.3.

[18] If the means of identification of type contains characters not relevant to describe the type of audible reverse warning device(s) covered by the type-approval certificate , such characters shall be represented in the documentation by the symbol: '?' (e.g. ABC??123??).

[19] Delete (strike out)   what   does   not   apply

[20] If the means of identification of type contains characters not relevant to describe the vehicle types covered by the type-approval certificate such characters shall be represented in the documentation by the symbol: '?' (e.g. ABC??123??).

[21] As defined in R.E.3.

[22] If the means of identification of type contains characters not relevant to describe the type of the audible reverse warning devices covered by the type-approval certificate such characters shall be represented in the documentation by the symbol: '?' (e.g. ABC??123??).

[23] Delete (strike out) what does not apply .

[24] The latter number is given as an example only.