| GRBP-76: Report of the September 2022 session |
| Reference Number: GRBP/74 |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 11 Oct 22 |
| Click here to view the full document file |
| GRBP-76: Updated provision agenda for the September 2022 session |
| Reference Number: GRBP-76-01 |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 03 Sep 22 |
| Click here to view the full document file |
| UN R117: Proposal to amend document GRBP/2022/23 |
| Reference Number: GRBP-76-02 |
|
Proposal from the Worn Tyres working group to amend their earlier formal submission. |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 30 Aug 22 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R109: Type approval of 3PMSF material |
| Reference Number: GRBP-76-03 |
|
Presentation of outcomes from a GRBP group of interested experts formed to consider contents of documents GRBP-73-21, GRBP/2021/16, and GRBP-75-14. |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 31 Aug 22 |
| Relevant to: UN Regulation No. 109 | Retreaded Tires for Commercial Vehicles |
| Click here to view the full document file |
| UN R30: Study on the proposal for a new radial tyre definition |
| Reference Number: GRBP-76-04 |
| Submitted by: ETRTO |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 15 Aug 22 |
| Relevant to: UN Regulation No. 30 | Pneumatic Tires |
| Click here to view the full document file |
| UN R117: Proposal to amend document GRBP/2022/22 |
| Reference Number: GRBP-76-05 |
|
Proposal from the Worn Tyres working group to amend its previous formal proposal. |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 15 Aug 22 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Worn Tyres working group status report to GRBP |
| Reference Number: GRBP-76-06 |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 15 Aug 22 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Reverse Warning Regulation – UK Proposal |
| Reference Number: GRBP-76-07/Rev.1 |
| Submitted by: UK |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 26 Aug 22 |
| Relevant to: UN Regulation No. 165 | Audible Reversing Warning Systems |
| Click here to view the full document file |
| Sound Measurement Uncertainties informal group status report to GRBP |
| Reference Number: GRBP-76-08 |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 15 Aug 22 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| UN R51: Proposal to amend document GRBP/2022/16 |
| Reference Number: GRBP-76-09 |
|
Proposal from the informal group on sound Measurement Uncertainties to amend their previous formal proposal. |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 31 Aug 22 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| Questions on documents GRBP/2022/4 and GRBP-75-37 (Monitoring phase of RD-ASEP from 1 July 2023) |
| Reference Number: GRBP-76-10 |
| Submitted by: OICA |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 15 Aug 22 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| Proposal to amend the Reference Document on Sound Measurement Uncertainties |
| Reference Number: GRBP-76-11 |
|
Proposal for the Measurement Uncertainties informal group to amend their previous formal submission (GRBP/2022/9/Rev.1). |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 31 Aug 22 |
| Document status: Approved by GR |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| DETA: Proposal to improve the use of the Unique Identifier for UN Regulations |
| Reference Number: GRBP-76-12 |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 22 Aug 22 |
| Relevant to: WP.29 Discussion Topic | Database for the Exchange of Type Approval Documentation |
| Click here to view the full document file |
| UN R164: TF Studded Tyres status report |
| Reference Number: GRBP-76-13 |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 26 Aug 22 |
| Relevant to: UN Regulation No. 164 | Type Approval of Studded Tyres |
| Click here to view the full document file |
| UN R51: Comparison of EMISIA and ATEEL study on sound limit values |
| Reference Number: GRBP-76-14 |
| Submitted by: ACEA and OICA |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 02 Sep 22 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| UN R51: TF Vehicles' Sound Status Report |
| Reference Number: GRBP-76-15/Rev.1 |
|
Previous name of this TF was TF-SL for Sound Limits |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 29 Aug 22 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| UN R138: TF Quiet Road Transport Vehicles (QRTV) Status Report |
| Reference Number: GRBP-76-16 |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 31 Aug 22 |
| Relevant to: UN Regulation No. 138 | Quiet Road Transport Vehicles |
| Click here to view the full document file |
| UN R117: Proposal for amendments to the 04 series of amendments |
| Reference Number: GRBP-76-17 |
|
Proposal introduces a new definition for taxi tyres and establishes different threshold from other tyres. |
| Submitted by: Japan |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 30 Aug 22 |
| Document status: Withdrawn |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Presentation on the introduction of new class C1 Taxi tyre |
| Reference Number: GRBP-76-18 |
| Submitted by: Japan |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 30 Aug 22 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| General information and WP 29 highlights |
| Reference Number: GRBP-76-19 |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 31 Aug 22 |
| Click here to view the full document file |
| Running order of the 76th hybrid session |
| Reference Number: GRBP-76-20 |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 31 Aug 22 |
| Click here to view the full document file |
| UN R117: Proposal to amend the proposal for Supplement 2 to the 03 Series of amendments |
| Reference Number: GRBP-76-21 |
|
Proposals for editorial corrections to the provisions for type approval of special use tyres that fulfil the requirements for snow performance |
| Submitted by: ETRTO |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 31 Aug 22 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal to amend the Supplement to the 02 series of amendments |
| Reference Number: GRBP-76-22 |
|
Proposal for editorial corrections |
| Submitted by: ETRTO |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 31 Aug 22 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for amendments to the proposal for 04 series of amendments |
| Reference Number: GRBP-76-23 |
|
Proposal introduces provisions to allow the type approval of special use tyres that fulfil the requirements for snow performance as laid out in Annex 7. The respective marking related to the “Alpine” symbol has been considered for those tyres complying with these requirements. |
| Submitted by: ETRTO |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 31 Aug 22 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for amendment to proposal for the 04 series of amendments |
| Reference Number: GRBP-76-24/Rev.1 |
|
Proposal introduces provisions to allow the type approval of special use tyres that fulfil the requirements for snow performance as laid out in Annex 7. The respective marking related to the “Alpine” symbol has been considered for those tyres complying with these requirements |
| Submitted by: ETRTO |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 03 Sep 22 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Project STEER : Improving the EU Tyre Noise Label, an overview of the key findings |
| Reference Number: GRBP-76-25 |
|
Exchange of information on national and international requirements on noise levels |
| Submitted by: BRRC and SwRI |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) and 21st IWGMU session (9 Nov 2022) |
| Document date: 31 Aug 22 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Uncertainty on the EU Tyre (Noise) label |
| Reference Number: GRBP-76-26 |
|
Exchange of information on national and international requirements on noise levels |
| Submitted by: BRRC |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) and 21st IWGMU session (9 Nov 2022) |
| Document date: 31 Aug 22 |
| Click here to view the full document file |
| Campaign on noise emissions 2021 |
| Reference Number: GRBP-76-27 |
|
Initiated by the Federal Ministry for Digital and Transport (BMDV), the Federal Motor Transport Authority (KBA) tested various passenger cars (M1) and motorcycles (L3e) with regard to their noise emissions in 2021 |
| Submitted by: Germany and KBA |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) and 12th TFVS session (10 Jul 2023) |
| Document date: 31 Aug 22 |
| Click here to view the full document file |
| Detailed running order and tentative timetable |
| Reference Number: GRBP-76-28/Rev.1 |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 01 Sep 22 |
| Click here to view the full document file |
| UN R51: Research on Measurement Methods for LDV & HDV in Multiple Driving Mode Conditions |
| Reference Number: GRBP-76-29 |
|
CATC Data Study and Measurement Methods Research |
| Submitted by: CATARC and China |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) and 11th TFVS session (9 Sep 2022) |
| Document date: 02 Sep 22 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| 1958 Agreement : Unique Identifier and UN Regulations |
| Reference Number: GRBP-76-30 |
|
The UI feature is being developed. The IWG on DETA is consulting the subsidiary bodies of |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 02 Sep 22 |
| Relevant to: United Nations Agreement | 1958 Agreement and WP.29 Discussion Topic | Database for the Exchange of Type Approval Documentation |
| Click here to view the full document file |
| UN R117: Proposal to amend the proposal for 04 series of amendments |
| Reference Number: GRBP-76-31 |
|
Re-introduces the definition of traction tyre as this can be still used between the entry into force date of the 04 series of amendments and 7 July 2024 . |
| Submitted by: ETRTO |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 03 Sep 22 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal to amend the proposal for the 04 series of amendments |
| Reference Number: GRBP-76-32 |
|
Editorial corrections and amends the transitional provisions |
| Submitted by: ETRTO |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 03 Sep 22 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal to amend proposal for 04 series of amendments |
| Reference Number: GRBP-76-33/Rev 1 |
|
Proposes the amendment to the transitional provisions aligning with other proposals |
| Submitted by: ETRTO |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 06 Sep 22 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for amendment to proposal for 03 series of amendments |
| Reference Number: GRBP-76-34 |
| Proposal to update the reference to the latest ISO 10844 standard |
| Submitted by: ETRTO |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 03 Sep 22 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal to amend the proposal for Supplement 14 to the 02 series of amendments |
| Reference Number: GRBP-76-35 |
|
Updates the reference to latest version of ISO 10844:2021 |
| Submitted by: ETRTO |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 03 Sep 22 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Updated list of GRBP priorities |
| Reference Number: GRBP-76-36 |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 05 Sep 22 |
| Click here to view the full document file |
| TF TA (Tyre Abrasion): status report |
| Reference Number: GRBP-76-37 |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 05 Sep 22 |
| Click here to view the full document file |
| UN R117: Overview of current amendment proposals |
| Reference Number: GRBP-76-38 |
| Submitted by: ETRTO |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 05 Sep 22 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| GRBP-76: Draft list of main decisions during the September 2022 session |
| Reference Number: GRBP-76-39/Rev.1 |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 12 Sep 22 |
| Click here to view the full document file |
| A general approach how to handle sound measurement uncertainty |
| Reference Number: GRBP/2022/9/Rev.1 |
|
Proposal for a reference document. |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 24 Jun 22 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions and UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| GRBP: Annotated provisional agenda for the 76th (September 2022) session |
| Reference Number: GRBP/2022/10 |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 15 Jun 22 |
| Click here to view the full document file |
| UN R164: Proposal for Supplement 1 |
| Reference Number: GRBP/2022/11 |
|
Proposal from the Studded Tyres task force to introduce provisions for C1 tyre ice-grip performance. |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 15 Jun 22 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 164 | Type Approval of Studded Tyres |
| Click here to view the full document file |
| UN R117: Proposal for the 04 series of amendments |
| Reference Number: GRBP/2022/12 |
|
Proposal to revise the limits for rolling resistance and wet grip, address tyres for vintage vehicles, and revise the definition for special-use C1 tyres. |
| Submitted by: EC |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 15 Jun 22 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R51: Proposal for Supplement 8 to the 03 series of amendments |
| Reference Number: GRBP/2022/13 |
|
Proposal to bring the latest ISO 10844 standard test surface into the Regulation. |
| Submitted by: ISO |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 15 Jun 22 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| UN R117: Proposal for Supplement 14 to the 02 series of amendments |
| Reference Number: GRBP/2022/14 |
|
Proposal to bring the latest ISO 10844 standard test surface into the Regulation. |
| Submitted by: ISO |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 15 Jun 22 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R138: Proposal for Supplement 3 to the 01 series of amendments |
| Reference Number: GRBP/2022/15 |
|
Proposal to bring the latest ISO 10844 standard test surface into the Regulation. |
| Submitted by: ISO |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 15 Jun 22 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 138 | Quiet Road Transport Vehicles |
| Click here to view the full document file |
| UN R51: Proposal for Supplement 8 to the 03 series of amendments |
| Reference Number: GRBP/2022/16 |
|
Proposal from the Measurement Uncertainties informal group to introduce measures to reduce variability across assessments. |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 15 Jun 22 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| UN R117: Proposal for the 04 series of amendments |
| Reference Number: GRBP/2022/17 |
|
Proposal to introduce a new definition of traction elements to characterize traction tyres. |
| Submitted by: ETRTO |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 16 Jun 22 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for a Supplement to the 03 series of amendments |
| Reference Number: GRBP/2022/18 |
|
Proposal to introduce provisions to allow type approval of special use tyres that fulfil the requirements for snow performance as laid out in Annex 7. The respective marking related to the “Alpine” symbol has been considered for tyres complying with these requirements. |
| Submitted by: ETRTO |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 16 Jun 22 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for a Supplement to the 02 series of amendments |
| Reference Number: GRBP/2022/19 |
|
Proposal to introduce provisions to allow the type approval of special use tyres that fulfil the requirements for snow performance as laid out in Annex 7. The respective marking related to the “Alpine” symbol has been considered for those tyres complying with these requirements. |
| Submitted by: ETRTO |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 16 Jun 22 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for a Supplement to the 02 series of amendments |
| Reference Number: GRBP/2022/20 |
|
Proposal to correct editorial mistakes in document GRBP/2021/17 that were not corrected by informal document GRBP74-31-Rev.1. |
| Submitted by: ETRTO |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 16 Jun 22 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R30: Proposal for a Supplement to the 02 series of amendments |
| Reference Number: GRBP/2022/21 |
|
Proposal to address the definition of the radial structure (as a continuation to ECE/TRANS/WP.29/GRBP/2021/9), the definition of snow tyres, the requirements for special use tyres of class C1, the addition of an optional prefix for extra load tyres, a clarification of the description of the load/speed test for run flat tyres and extended mobility tyres (EMT) and editorial corrections. |
| Submitted by: ETRTO |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 16 Jun 22 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 30 | Pneumatic Tires |
| Click here to view the full document file |
| UN R117: Proposal for a Supplement to the 03 series of amendments |
| Reference Number: GRBP/2022/22 |
|
Proposal from the Worn Tyres working group to improve precision of the test procedures for measuring the wet adhesion of tyres in a worn state by using a moulded SRTT16 reference tyre (instead of a buffed tyre), to introduce new transitional provisions related to this change, to extend corrections already made to thee 02 series to the 03 series and make additional editorial corrections, and to define the range for tyre inflation vis-à-vis rim size to reduce uncertainties in measuring tread depth. |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 16 Jun 22 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Proposal for a 04 series of amendments |
| Reference Number: GRBP/2022/23 |
|
Proposal from the Worn Tyres working group to set the wet grip index threshold at 0.80 for class C1 tyres with a nominal aspect ratio equal to or less than 40, a section width equal to or higher than 235 mm and suitable for speeds equal to or greater than 300 km/h and for class C1 all terrain and special use tyres (see GRBP-75-27, slide 6). The proposal also introduces the kworn factor in a new para. 3 in Annex 9 to address wet grip of C2 and C3 tyres in a worn state (see GRBP-75-26-Rev.1 for concept). |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 16 Jun 22 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R165: Proposal for Supplement 1 |
| Reference Number: GRBP/2022/24 |
|
Proposal to amend the provisions for a pause function for reversing warning systems with the aim to comply with the national environmental (noise) restrictions. |
| Submitted by: UK |
| Meeting Sessions: 76th GRBP session (5-7 Sep 2022) |
| Document date: 27 Jun 22 |
| Document status: Formal GR review |
| Relevant to: UN Regulation No. 165 | Audible Reversing Warning Systems |
| Click here to view the full document file |
| Nomination/Voting of Chair/Vice-Chairs under current situation |
| Reference Number: WP.29-187-18 |
|
Instructions from the WP.29 secretariat to promote smooth elections of Working Party leaders given the prevailing travel restrictions that prevent physical attendance in Geneva. |
| Meeting Sessions: 187th WP.29 session (20-24 Jun 2022) and 76th GRBP session (5-7 Sep 2022) |
| Document date: 20 Jun 22 |
| Click here to view the full document file |
No matching agenda items.