1 2 3 4 5 6 7 8 9 10
Document Title UN R117: Proposal for Supplement 2 to the 03 series of amendments
Reference Number GRBP/2024/12
Date
7 Dec 2023
Summary Proposal for editorial improvements and updates to ISO and ASTM standards references and to align with Supplement 2 to the 04 series of amendments, including a new temperature correction formula for the rolling sound emissions of tyres of classes C1 and C2 and to remove the content of the now obsolete Annex 4 as well as all its references.
Source(s) ETRTO
Rulemaking Area(s) UN R117 Tire Noise, Wet Adhesion, and Rolling Resistance
Proposal Status Superseded
Meeting(s)
Related Documents
GRBP-79-49 UN R117: Proposal for amendments to the working document GRBP/2024/12 (superseded)
WP.29/2024/72 UN R117: Proposal for Supplement 2 to the 03 series of amendments
Downloads
UNECE server .pdf format .docx format
GAR server
Excerpts from session reports related to this document
GRBP | Session 79 | 6-9 Feb 2024

23. The expert of ETRTO submitted proposals for a new Supplement to the 03 series of amendments with the aim to introduce editorial corrections, a temperature correction to decrease measurement uncertainties and the new C3 reference test tyres (ECE/TRANS/WP.29/GRBP/2024/9, ECE/TRANS/WP.29/GRBP/2024/12, GRBP-79-22). The experts from France and Japan commented on the proposals (GRBP-79-49 and GRBP-79-08). GRBP adopted the proposals in ECE/TRANS/WP.29/GRBP/2024/9 as amended by GRBP-79-22 and in ECE/TRANS/WP.29/GRBP/2024/12 as amended by GRBP-79-49 and requested the secretariat to submit them for consideration and vote at the June 2024 sessions of WP.29 and AC.1 as draft Supplement 2 to the 03 series of amendments to UN Regulation No. 117.

23. The expert of ETRTO submitted proposals for a new Supplement to the 03 series of amendments with the aim to introduce editorial corrections, a temperature correction to decrease measurement uncertainties and the new C3 reference test tyres (ECE/TRANS/WP.29/GRBP/2024/9, ECE/TRANS/WP.29/GRBP/2024/12, GRBP-79-22). The experts from France and Japan commented on the proposals (GRBP-79-49 and GRBP-79-08). GRBP adopted the proposals in ECE/TRANS/WP.29/GRBP/2024/9 as amended by GRBP-79-22 and in ECE/TRANS/WP.29/GRBP/2024/12 as amended by GRBP-79-49 and requested the secretariat to submit them for consideration and vote at the June 2024 sessions of WP.29 and AC.1 as draft Supplement 2 to the 03 series of amendments to UN Regulation No. 117.