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| Document Title | UN R117: Proposal for a Supplement 3 to the 04 series of amendments | ||||||||
| Reference Number | GRBP/2024/23 | ||||||||
| Date |
2 Jul 2024
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| Summary | Proposal from the Wet Grip on Worn Tyres informal group to standardize provisions for the water depth measurement and to reduce the track friction range requirements under the test procedures. | ||||||||
| Rulemaking Area(s) | UN R117 Tire Noise, Wet Adhesion, and Rolling Resistance | ||||||||
| Proposal Status | Superseded | ||||||||
| Meeting(s) | |||||||||
| Related Documents | |||||||||
| WT-62-02 | UN R117: New proposal for Supplement 3 to the 04 series of amendments | ||||||||
| GRBP-80-11 | UN R117: Proposal for Supplement 3 to the 04 series of amendments (superseded) | ||||||||
| GRBP-80-30 | UN R117: Presentation on the proposal for Supplement 3 to the 04 series of amendments | ||||||||
| WP.29/2025/76 | UN R117: Proposal for Supplement 3 to the 04 series of amendments (adopted) | ||||||||
| Downloads | |||||||||
| UNECE server | .pdf format | .docx format | |||||||
| Excerpts from session reports related to this document | |||||||||
| GRBP | Session 80 | 17-20 Sep 2024 |
26. The expert of IWG WGWT proposed improving the precision of the test method for C1 tyres (ECE/TRANS/WP.29/GRBP/2024/23, GRBP-80-11 and GRBP-80-30). GRBP adopted the proposal, as amended by GRBP-80-11 and requested the secretariat to submit them for consideration and vote at the June 2025 sessions of WP.29 and AC.1 as draft Supplement 3 to the 04 series of amendments to UN Regulation No. 117. Should GRBP adopt another draft amendment to the same series of amendments at its session in February 2025, it would be combined with the above proposal. 26. The expert of IWG WGWT proposed improving the precision of the test method for C1 tyres (ECE/TRANS/WP.29/GRBP/2024/23, GRBP-80-11 and GRBP-80-30). GRBP adopted the proposal, as amended by GRBP-80-11 and requested the secretariat to submit them for consideration and vote at the June 2025 sessions of WP.29 and AC.1 as draft Supplement 3 to the 04 series of amendments to UN Regulation No. 117. Should GRBP adopt another draft amendment to the same series of amendments at its session in February 2025, it would be combined with the above proposal. 26. The expert of IWG WGWT proposed improving the precision of the test method for C1 tyres (ECE/TRANS/WP.29/GRBP/2024/23, GRBP-80-11 and GRBP-80-30). GRBP adopted the proposal, as amended by GRBP-80-11 and requested the secretariat to submit them for consideration and vote at the June 2025 sessions of WP.29 and AC.1 as draft Supplement 3 to the 04 series of amendments to UN Regulation No. 117. Should GRBP adopt another draft amendment to the same series of amendments at its session in February 2025, it would be combined with the above proposal. |
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