Session 71 | Geneva | 28-31 Jan 2020
Attendance
1. Adoption of the agenda

In accordance with Chapter III, Rule 7 of the Rules of Procedure (TRANS/WP.29/690, Amend.1 and Amend. 2) of the World Forum for Harmonization of Vehicle Regulations (WP.29), the first item on the provisional agenda is its adoption.

GRBP-71-14 | General information and WP.29 highlights Presentation by the Secretariat giving the general information and WP.29 highlights
GRBP/2020/1 | GRBP: Annotated provisional agenda for the 71st session (January 2020)
2. UN Regulation No. 41 (Noise emissions of motorcycles)

GRBP will consider a revised proposal submitted by the expert from IMMA which aims to minimize a proliferation of approval numbers (ECE/TRANS/WP.29/GRBP/2019/25/Rev.1).

GRBP-71-18/Rev.2 | UN R41: Proposal for amendments to Supplement 6 to the 04 series of amendments The text was prepared by the expert from the International Motorcycle Manufacturers Association (IMMA) to amend Supplement 6 to 04 series of amendments, aiming to minimize proliferation of approval numbers
GRBP/2019/25/Rev.1 | UN R41: Proposal for a Supplement to the 04 series of amendments Proposal to minimize proliferation of approval numbers from models with differences in vehicle exhaust and silencing systems.

GRBP will also recall that, at the previous session, it adopted ECE/TRANS/WP.29/GRBP/2019/24 but agreed to postpone its submission to WP.29 and the Administrative Committee (AC.1), awaiting other amendment proposals.

GRBP/2019/24 | UN R41: Proposal for a Supplement to the 04 series of amendments Proposal is to correct an omission regarding the compensating resevoir fill time thereby aligning UN R41 with the other noise UN Regulations Nos. 9, 51 and 63.

GRBP will consider the text by the expert from IMMA to amend UN Regulation No. 41-04

GRBP-71-09 | UN R41 Proposal for amendments to the 04 series of amendments The text prepared by the expert from the International Motorcycle Manufacturers Association (IMMA) to amend UN Regulation No. 41-04 (up to Supplement 7), in order to clarify the implications of footnote one on the requirements specified in Annex 4.
GRBP-71-10 | UN R41: Proposal for amendments to the 04 series of amendments Proposal for amendment by IMMA to address the issue of stationary noise measurements on a single sided dual exhaust system.
GRBP-71-17 | UN R41 Proposal for a new series of amendments The text was prepared by the expert from the International Motorcycle Manufacturers Association (IMMA) to amend the ASEP requirements
GRBP-71-19/Rev.1 | UN R41: Presentation supporting the proposal to amend ASEP Presentation by the expert of IMMA supporting the proposed amendment to ASEP (GRBP-71-17)
3. UN Regulation No. 51 (Noise of M and N categories of vehicles)

GRBP will be informed about the activities of the Informal Working Group on Additional Sound Emission Provisions (IWG ASEP) as well as of the Task Force on Measurement Uncertainties (TF MU) and will consider any draft amendments prepared by IWG ASEP or TF MU.

GRBP-71-04 | UN R51, UN R117 TF Measurement Uncertainties (MU): Status report GRBP to note the report from the TF MU on its aim to harmonize measures for evaluating systematic errors and random errors to improve the test procedures.
GRBP-71-05 | UN R51 : Task Force Measurement Uncertainties (TF MU) guidelines to the objectives and rules of procedure The text proposed by the Chairman of TFMU for the guidelines on the objectives and rules of procedure of the task force.
GRBP-71-11 | UN R51: EC Study on sound level limits of M- and N- category vehicles Text submitted by the expert of EC to update on the study and investigate the sound level limits of M- and N-category vehicles in Europe.
GRBP-71-21 | UN R51: TF Measurement Uncertainties update on the strategic approach to handle uncertainties Update by the Chair of Task Force Measurement Uncertainty (TF MU) on the strategic approach to handle measurement uncertainties in UN Regulations
GRBP-71-24 | UN R51 : Proposal for revision of ASEP as a future concept of real driving Text by IWG ASEP for revision of ASEP as a future concept of real driving
GRBP-71-25 | UN R51 : ASEP II informal group status report Text submitted by chair of IWG ASEP for the status report
GRBP-71-31/Rev.1 | UN R51: Draft Terms of Reference TF Measurement Uncertainties (MU) The text submitted by the Chairman of TF MU for the draft terms of reference
4. UN Regulation No. 138 (Quiet road transport vehicles)

At the previous session, the expert from Germany proposed introducing a maximum sound level for the Acoustic Vehicle Alerting System (AVAS) at speeds greater than 20 km/h (GRBP-70-04). GRBP may wish to resume this discussion.

GRBP-70-04 | UN R138: Proposal for Supplement 2 to the 01 series of amendments Proposal to reconcile UN R138 with UN R51 with regard to maximum sound pressure levels at speeds greater than 20 km/h by clarifying that the 75 dB(A) limit for AVAS under UN R138 concerns only the 0-20 km/h speed range.
GRBP-71-28/Rev.1 | UN R138 : Proposal for Supplement 2 to the 01 series of amendments Proposal to clarify that it is not necessary to require an ISO 10844 asphalt track surface in cases where the vehicle is at a standstill provided that the surface is dense and without substantial absorption characteristics.
5. Tyres
5. (a) UN Regulation No. 30 (Tyres for passenger cars and their trailers)

GRBP will consider a proposal by the expert from the European Tyre and Rim Technical Organization (ETRTO).

GRBP-71-07 | UN R30, R54, R75 Report on study to amend the Dimensional Requirements for tyres with radial or run flat structure ETRTO report on the study on the Dimensional Requirements for tyres with radial or run flat structure after having performed the load speed endurance test. ETRTO proposes to amend the UN Regulations No 30, 54 [and 75] by removing the requirements for tyres with radial and run flat structure.
GRBP-71-08 | UN R30 Proposals for amending tyre marking method in the UN regulations ETRTO proposal for amending tyre marking method by the removal of the use of wording “moulded” in the marking clause as this is only one of the various technical solutions currently available.
GRBP-71-30 | UN R30 : Proposal for amendments Changes to the proposal to align definitions across tyre regulations and align the regulations with technological progress, correct an editorial error, and clarify that the ply rating is not applicable to T-type temporary use tyres.
GRBP/2020/3 | UN R30: Proposal for amendments Proposal to align definitions across tyre regulations and align the regulations with technological progress (see document GRRF-82-21), correct an editorial error, and clarify that the ply rating is not applicable to T-type temporary use tyres.
5. (b) UN Regulation No. 108 (Retreaded tyres for passenger cars and their trailers)

GRBP is invited to consider the postponed proposal on retreaded tyres to be tested and marked with the three-mountain-peak snow-flake (3PMSF) symbol, which was submitted by the experts of the Bureau International Permanent des Associations de Vendeurs et Rechapeurs de pneumatiques (BIPAVER).

GRBP/2019/16 | UN R108: Proposal for amendment Proposal to align the provisions for retreaded tyres to be tested and marked with the three-peak-mountain snow-flake (3PMSF) symbol with the amendment proposals to UN R117 (document GRBP/2019/19).
5. (c) UN Regulation No. 109 (Retreaded tyres for commercial vehicles and their trailers)

GRBP will consider a proposal for correction by the expert from ETRTO.

GRBP/2020/4 | UN R109: Correction to the text In document GRRF/2016/40, an ellipsis “…”, indicating that the remainder of the sentence was to be retained, was omitted in the proposed amendment to paragraph 3.2.1. As a result, the remaining text was unintentionally removed following adoption of the proposal. A similar error resulted from the adoption of document WP.29/2017/9 regarding paragraph 4.9.2. This proposal also reintroduces the unintentionally deleted text.

GRBP is invited to address a proposal on retreaded tyres marked with the 3PMSF symbol, which has been prepared by the experts of BIPAVER and which complements ECE/TRANS/WP.29/GRBP/2019/17 submitted to the previous session.

GRBP/2019/17 | UN R109: Proposal for amendment Proposal to align the provisions for retreaded tyres to be tested and marked with the three-peak-mountain snow-flake (3PMSF) symbol with the amendment proposals to UN R117 (document GRBP/2019/19).
GRBP/2020/5 | UN R109: Proposal for an amendment Proposal to align the provisions for retreaded tyres marked using the three-peak-mountain snow-flake (3PMSF) symbol with the amendment proposals to UN R117 (GRBP/2019/19) and to complement GRBP/2019/17.
5. (d) UN Regulation No. 117 (Tyre rolling resistance, rolling noise and wet grip)

GRBP is invited to resume discussion on the proposal submitted by the group of interested experts on snow tyre provisions.

GRBP-71-20 | UN R117/108/R109 Status report by the group of interested experts (GOIE ) on snow tyre provisions The status report submitted by the group of interested experts (GOIE) from Finland, Germany, Japan, Norway, Russian Federation, BIPAVER, ETRTO and OICA
GRBP-71-26 | UN R117: Justification for document GRBP/2019/14 Supporting information regarding the proposal for the type approval of special-use tyres designed for severe snow conditions.
GRBP/2019/14 | UN R117: Proposal for a Supplement to the 02 series of amendments Proposal from the group of interested experts to allow for the type approval of special-use tyres designed for severe snow conditions.

GRBP will address a draft amendment which has been tabled by the experts from Japan and ETRTO

GRBP-71-29 | UN R117 : Proposal to amend the Supplement to the 02 series of amendments The text submitted by the experts from the European Tyre and Rim Technical Organisation (ETRTO) to amend the Japanese proposal for a Supplement to the 02 series of amendments (ECE/TRANS/WP.29/GRBP/2020/6)
GRBP/2020/6 | UN R117: Proposal for a Supplement to the 02 series of amendments Proposal to adapt the rolling-sound measurement procedures to accommodate special C2 tyres presenting a section width wider than 200 mm, aspect ratio lower than 55, rim diameter code lower than 15 and without any dual fitting indication (i.e. the front size 175/75R15 LT and the rear size 235/50R14 LT or the front size 175/75R15 LT and the rear size 265/50R14 LT).

GRBP will be briefed on the activities of the IWG on Wet Grip Performance of Tyres in a Worn State (IWG WGWT). GRBP may also wish to revert to the proposal of the expert from the European Commission to enlarge the scope of IWG WGWT with C2/C3 tyres.

GRBP-71-23 | Working Group on Worn Tyres: Status report

Based on the considerations at the previous session (ECE/TRANS/WP.29/GRBP/68, paras. 17 and 18), GRBP may expect new proposals from ETRTO on improving the wet grip test method for passenger car tyres (C1) and on the new definition of “traction tyres”.

GRBP-70-19 | New traction definition
GRBP-70-20 | Wet grip test method improvement for C1 tyres

GRBP will be invited to consider the proposal by ETRTO to replace the current standard test tyre due to the phase out of the production and possible amendments to the tests due to the change in STT

GRBP-71-06 | UN R117 Standard Reference Test Tyre replacement ETRTO proposal for the replacement of the current Standard Reference Test Tyre as it is being phased out as production will stop mid of 2020. Snow performance test in R117 currently requires SRTT14 as a reference tyre. SRTT14 needs to be replaced and test procedure amended.
6. Draft UN Regulation on reversing alarm

GRBP will be informed about the activities of the Task Force on Reverse Warning (TF RW) and about liaising with the Working Party on General Safety (GRSG) on the issue.

GRBP-71-27/Rev1 | Reversing Warning Systems Task Force: Status report Status report
7. Exchange of information on national and international requirements on noise levels

GRBP will continue the exchange of views on developing national or regional legislation and international requirements on noise levels.

8. Influence of road surface on tyre rolling sound emissions

At the previous session, GRBP made conclusions on the Draft Resolution on Road Surface Labelling and requested the Chair to bring them to the attention of WP.29 (ECE/TRANS/WP.29/GRBP/68, paras. 23 and 24). GRBP will be informed about the response of WP.29.

GRB/2019/2 | Revised proposal for a draft Resolution on road surface labelling
9. Proposals for amendments to the Consolidated Resolution on the Construction of Vehicles

GRBP will consider new proposals, if any.

10. Development of the International Whole Vehicle Type Approval system

GRBP will be informed about progress in implementing the International Whole Vehicle Type Approval (IWVTA) (UN Regulation No. 0).

11. Highlights of the recent sessions of the World Forum for Harmonization of Vehicle Regulations

GRBP will be briefed by the secretariat about the highlights of the recent sessions of WP.29 on GRBP and common issues.

GRBP-71-14 | General information and WP.29 highlights Presentation by the Secretariat giving the general information and WP.29 highlights
12. Exchange of views on the future work of the Working Party on Noise and Tyres

GRBP may wish to review the list of priorities for the future work.

GRBP-70-10 | Allocation of the GRBP priorities Table of GRBP regulatory priorities and timelines.
GRBP-71-22/Rev.1 | GRBP priorities and recurrent work items
13. Other business

GRBP may also wish to resume its discussion on how to implement the new provisions of Revision 3 of the 1958 Agreement on “Unique Identifier” (UI).

GRBP may wish to consider the proposal for amendments from the expert from France and EC.

GRBP-71-12 | UN R142 Proposal for amendment to Supplement 1 Proposal from expert from France for amendment to Supplement 1. Tyre pressure monitoring system (TPMS) could refer to UN R64 (till 02 series of amendment) and/or R141. R64 series 02 concerns temporary use spare unit, run-flat tyres and/or a run-flat system and/or a tyre pressure monitoring system for M1 or N1 category vehicles. R141 is dedicated M1-category vehicles approved for their TPMS
GRBP-71-16 | UN R142: Proposal for amendment Proposal to introduce tyre-pressure monitoring system tyre installation requirements for all vehicle categories in Regulation (EU) 2019/2144 following the requirements in UNECE Regulation No. 142.

GRBP may wish to note the 2020 schedule of meetings of interest to GRBP experts

GRBP-71-13/Rev.1 | 2020 schedule of meetings of interest to GRBP experts Information from Chair on 2020 schedule of meetings of interest to GRBP experts

GRBP may wish to consider the proposal submitted by the expert from the European Commission for amendment to UN R141

GRBP-71-15 | UN R141: Proposal for Amendment In line with Regulation (EU) 2019/2144, proposal to expand the scope of UN R142 to establish requirements for tyre-pressure monitoring systems for category M<sub>2</sub>, M<sub>3</sub>, N<sub>2</sub>, N<sub>3</sub>, O<sub>3</sub> and O<sub>4</sub> vehicles.
14. Provisional agenda for the next session

GRBP is invited to provide guidance on the provisional agenda for the next session scheduled to be held in Geneva from 7 (starting at 12.30 p.m.) to 9 (concluding at 5.30 p.m.) September 2020.