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GRRF-81-12

Proposal for amendments to Regulation No. 109

Source(s)

ETRTO

Date

27 Jan 2016

Status

Superseded

Subject

UN R109 CV Retreaded Tires

Meeting(s)

GRRF | Session 81 | 1-5 Feb 2016

Agenda item 7. (f) Regulation No. 109

Proposal to

change measurement units for drum speed in Annex 7 from min^-1 to km.h^-1 to align the requirements with other tyre regulations;
correct wording from “speed category symbol” to “speed symbol” (as defined in para. 2.33);
correct wording from “load capacity index” to “load index” (as defined in para. 2.32);
correct a reference to para. 3.2.13. of the Regulation in Annex 7, Appendix 1;
correct a boundary value of load index in Annex 7, Appendix 1;
delete in paragraph 2.1 in Annex 7, the possibility to use the 2.0 m drum diameter to perform the endurance test; and
align the text of Annex 10 with Annex 7 of UN R117 pursuant to the adoption of Supplement 5 to the 02 series of amendments to that regulation.

Downloads

UNECE server

Related documents

Excerpts from session reports

GRRF | Session 80 | 15-18 Sep 2015

44. The expert from the Slovak Republic introduced ECE/TRANS/WP.29/GRRF/2015/39 as amended by GRRF-80-16 proposing clarifications for Regulation No. 109. The expert from ETRTO recalled that the proposed clarifications would also be relevant for Regulations Nos. 30 and 54. GRRF agreed to resume consideration of these clarifications on the basis of a revised proposal that the experts from ETRTO and the Slovak Republic volunteered to prepare for the September 2016 session of GRRF.

44. The expert from the Slovak Republic introduced ECE/TRANS/WP.29/GRRF/2015/39 as amended by GRRF-80-16 proposing clarifications for Regulation No. 109. The expert from ETRTO recalled that the proposed clarifications would also be relevant for Regulations Nos. 30 and 54. GRRF agreed to resume consideration of these clarifications on the basis of a revised proposal that the experts from ETRTO and the Slovak Republic volunteered to prepare for the September 2016 session of GRRF.

GRRF | Session 81 | 1-5 Feb 2016

39. The expert from ETRTO presented GRRF-81-12 proposing editorial corrections in Annex 7 and Annex 10 of the Regulation, to align the requirements with those of other tyre Regulations and on the provisions for tests performed on two metre test drums. GRRF requested the secretariat to distribute this document with an official symbol at the next GRRF session.

GRRF | Session 82 | 20-23 Sep 2016

39. GRRF resumed consideration of proposed amendments to Annexes 7 and 10 to Regulation No. 109 as well as the proposal originally submitted by the expert from Slovakia, in ECE/TRANS/WP.29/GRRF/2016/40. The expert from ETRTO presented a proposal for amendments to tyre marking requirements in ECE/TRANS/WP.29/GRRF/2016/41.

40. GRRF adopted both proposals and requested the secretariat to submit them as draft Supplement 8 to Regulation No. 109 (Retreaded tyres for commercial vehicles and their trailers) to WP.29 and AC.1 for consideration and vote at their March 2017 sessions.