Based on informal documents GRB-54-03 and GRB-55-01, Japan proposes noise limit values with some modification of the threshold of sub-categories as a possible basis for reaching a common position.

Draft agenda for the September 2012 session of the Working Party on Noise.

Proposed amendments to consolidate previous versions of UN Regulation No. 63 and to align the test methods with those introduced into UN Regulation No. 41.

Proposal based on Informal document GRB-54-03 submitted by the expert from Germany and on Informal document GRB-55-01 submitted by the expert from Japan, including limit values with some modification of threshold of subcategories, which could be the basis of a common position.

Proposal from the Russian Federation to provide harmonized definitions for the terms “noise” and “sound” and also for a revised structure for introducing the provisions.

This proposal of amendments to UN Regulation No. 9 consolidates earlier versions of UN Regulation No. 9 and aligns the test methods with those introduced into UN Regulation No. 41.

Consolidated version of the proposed 03 series of amendments to UN R51, including OICA remarks on updating references to Annex 9 and concerning the Annex 2 qualification of the vehicle to be tested in each instance.

Proposal from Russia to update R.E.3 with regard to specifications on Category G road tractors, the formulation of requirements on noise, modification of the method of measuring vehicle internal noise, and recommended permissible levels of vehicle internal noise.

Proposal from the European Tyre and Rim Technical Organisation (ETRTO) to amend the snow test method for C3 Tyres.

Proposal to allow test tracks to be constructed per the 02 series of amendments to UN R117 or according to the new ISO standard 10844:2011.

Draft recommendations from the informal group on Quiet Road Transport Vehicles pursuant to their deliberations on the risks such vehicles poses to vulnerable road users.

Proposal from the European Tyre and Rim Technical Organisation (ETRTO) to align the text of Annex 6 of UN R117 to the ISO Standard 28580.

OICA submission proposing to align the current stationary vehicle noise emission measurement provisions of UN R51 with those in the latest draft international standard ISO/DIS 362.

Proposal from the Netherlands to update requirements on the noise test track to the from ISO 10844:1994 to ISO 10844:2011, including provisions for the repaving of non-compliant tracks. The proposal offers two approaches: reference to IS0 10844:2011 or reproduction of the ISO text.

Proposal from the Netherlands to update the requirements of the noise test track from
ISO 10844:1994 to ISO 10844:2011, including provisions for the repaving of non-compliant tracks. The proposal offers two alternatives: reference to ISO 10844:2011 or reproducing the whole text of the standard.

This proposal aligns Figure 2 (Reference Point) in the Appendix to Annex 3 of UN R51 with the latest amendment of ISO 5130:2012 and with the draft 04 series of amendments to Regulation No.41 (ECE/TRANS/WP.29/GRB/2011/3).

Proposal to improve accuracy in the calculation of tire rolling resistance by the deceleration method.

This proposal aligns Annex 3, paragraph 2.3.2. with the latest amendment to ISO 5130:2012. The purpose of the amendment is to require the use of test surfaces with “no appreciable level of porosity”.

Updated proposal from Japan concerning new noise limit values for light vehicles, including low-powered and “mini” cars and trucks, under UN R51.

Proposal for additional limit values based upon vehicle configuration.

Proposed revisions to the Annex 3 test procedures and interpretation of resulting data.

Submission by the GRB secretariat to correct an editorial error where the noise test track specifications should refer to the requirements of ISO 10844:2011 rather than “Annex 4” as stipulated in the original draft.

Comments from the IMMA in response to the Russian proposal to re-define the use of terms “sound” and “noise” in the motorcycle noise regulation.

Proposal to revise UN R51 test procedures based on methodologies developed for Chinese regulation GB1495.