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13 Mar 2020 Draft minutes of the 9th Work Tyres Working Group session WT-09-11

9 Apr 2020 Worn tyres: Example of individual test report WT-10-02

9 Apr 2020 Worn tyres: Example of aggregated test report WT-10-03

18 Apr 2020 UN R41: Proposal for Supplement 8 to the 04 series of amendments WP.29/2020/70

18 Apr 2020 UN R138: Proposal for Supplement 2 to the 01 series of amendments WP.29/2020/71

19 Apr 2020 UN R117: Proposal for Supplement 12 to the 02 series of amendments WP.29/2020/75

23 Apr 2020 Draft agenda for the 10th Worn Tyres Working Group session WT-10-01/Rev.1

24 Apr 2020 Draft agenda for the 5th TFMU session TFMU-05-01/Rev.1

27 Apr 2020 Noise Measurement: Justifications for uncertainty tolerances TFMU-05-03

27 Apr 2020 Worn tyres test program: Impact of COVID-19 for tyre logistics in Japan WT-10-05

27 Apr 2020 UN R117: List of possible factors contributing to noise measurement uncertainties TFMU-05-04

27 Apr 2020 Noise Measurement: ISO track and temperature correction: Evaluation of Method B TFMU-05-02

28 Apr 2020 UN R117: Worn tyres and roughness measurement WT-10-04

1 May 2020 Draft agenda for the 11th Reversing Warning Task Force session TFRWS-11-01

13 May 2020 Worn Tyres: Impact of COVID-19 on tyre industry and the informal group work plan WT-10-06

13 May 2020 Status of worn tyres work plan as of 27 April WT-10-07

13 May 2020 UN R117: Worn tyre buffing method WT-10-08

13 May 2020 Minutes of the 10th Worn Tyre Working Group session WT-10-09

13 May 2020 Attendance list from the 10th Worn Tyres Working Group session WT-10-10

25 May 2020 Draft agenda for the 11th Worn Tyres working group session WT-11-01/Rev.1

25 May 2020 Worn tyres: Tread depth measurement locations SRTT 16’’ WT-11-02

25 May 2020 Life Test Study on New tyres versus Worn tyres WT-11-03

2 Jun 2020 Status of the Worn Tyres informal group work plan WT-11-04

2 Jun 2020 Worn tyres: UTAC aggregated test report WT-11-05

2 Jun 2020 Participants list from the 11th Worn Tyres working group session WT-11-06

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UN R41: Proposal for Supplement 8 to the 04 series of amendments
Reference Number: WP.29/2020/70
Proposal to introduce provisions for stationary noise measurements on a single-sided dual exhaust system, minimize proliferation of approval numbers from models with differences in vehicle exhaust and silencing systems, and correct an omission regarding the compensating resevoir fill time thereby aligning UN R41 with the other noise UN Regulations Nos. 9, 51 and 63.
Meeting Sessions: 181st WP.29 session (24 Jun 2020)
Document date: 31 Mar 20
Document status: Adopted text published
Relevant to: UN Regulation No. 41 \| Motorcycle Noise
Adoption Vote
This proposal (WP.29/2020/70) was adopted by the World Forum. Thirty-nine Contracting Parties out of the 48 applying UN R41 were present for the vote by AC.1. Thirty-nine voted in favor with zero against and zero abstaining.
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UN R138: Proposal for Supplement 2 to the 01 series of amendments
Reference Number: WP.29/2020/71
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.
Meeting Sessions: 181st WP.29 session (24 Jun 2020)
Document date: 31 Mar 20
Document status: Adopted text published
Relevant to: UN Regulation No. 138 \| Quiet Road Transport Vehicles
Adoption Vote
This proposal (WP.29/2020/71) was adopted by the World Forum. Forty-three Contracting Parties out of the 56 applying UN R138 were present for the vote by AC.1. Forty-three voted in favor with zero against and zero abstaining.
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UN R117: Proposal for Supplement 12 to the 02 series of amendments
Reference Number: WP.29/2020/75
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).
Meeting Sessions: 181st WP.29 session (24 Jun 2020)
Document date: 31 Mar 20
Document status: Adopted text published
Relevant to: UN Regulation No. 117 \| Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance
Adoption Vote
This proposal (WP.29/2020/75) was adopted by the World Forum. Forty-one Contracting Parties out of the 53 applying UN R117 were present for the vote by AC.1. Forty-one voted in favor with zero against and zero abstaining.
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