Proposal from IMMA to update the transition provisions of UN R63 in line with new recommendations by UNECE WP29.

Proposal from IMMA to update the transition provisions of UN R9 in line with new recommendations by UNECE WP29.

Document GRB/2012/08 from OICA proposes a text for the 03 series of amendments to
UN R51 intended to consolidate the GRB discussions as of the 55th session. The Netherlands proposes further improvements in order to incorporate the latest relevant ISO standards and to simplify the communication.

ETRTO remarks concering the 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.

German position paper arguing for greater objectivity and clarity over the use of the proposed “M+S”, “M.S”, “M&S”, and “Alpine” symbol with regard to “snow tyres” and “snow tyres for use in severe snow conditions”.

Presentation considering tyre rolling sound emissions where pavement, tyre and vehicle all play major roles and where traffic flow management and driver behavior are taken into consideration.

Table prepared by OICA highlighting various elements in the consideration of noise in UN Regulation Nos. 9, 28, 41, 51, 59, 63, 92, and 117.

Japanese explanation for placing Stage 3 limit values in brackets (signifying tentative proposals subject to further consideration) because of the contradiction between measures to reduce automotive noise and technical measures to meet the aims of fuel consumption/CO2 regulations.

GRB revision of the proposal for a corrigendum to draft Supplement 3 to the 02
series of amendments to Regulation No. 117 as a proposal for the 03 series of amendments based on documents GRB/2012/15 and GRB/2012/18.

CLEPA presentation on additional sound emission provisions for replacement silencing systems.

GRB review of the text adopted by the Working Party on Brakes and Running Gear (GRRF) to add specific performance requirements for C2 snow tires to UN R117.

Chinese views concerning the test methodology for new limit values under UN Regulation No. 51 on vehicle noise.

Report of the 56th session of the Working Party on Noise, held during 3-5 September 2011.

Proposal by the Chair and Vice-Chair of GRB to allow the use of the test track complying with ISO 10844:2011 in a new series of amendments to the UN R117. This is based upon document GRB-56-20 from the previous GRB session.

Proposal from the Russian Federation to elaborate on the concept of tyre deceleration (dω/dt) in the test technology. The proposal is based on informal document GRB-56-02 from the previous GRB session.

Proposed revisions to the Annex 3 test procedures and interpretation of resulting data. This is based upon informal document GRB-56-06.

Proposal to update noise test-track requirements from ISO 19844:1994 to ISO 10844:2011 and incorporates transitional provisions to allow repaving of existing, non-compliant test tracks with the ISO 10844:2011 standards. This supersedes document GRB/2012/9.

Corrections to the proposal from the Russian Federation to elaborate on the concept of tyre deceleration (dω/dt) in the test technology.