GAR | GRRF-81-12

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Proposal for amendments to Regulation No. 109

Document GRRF-81-12

27 January 2016

81st GRRF session (1-5 Feb 2016)

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.

Submitted by ETRTO

Status: Superseded

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Previous Documents, Discussions, and Outcomes

82nd GRRF session (20-23 Sep 2016)

7. (f) | Tyres: Regulation No. 109

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.

81st GRRF session (1-5 Feb 2016)

7. (f) | Regulation No. 109

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.

80th GRRF session (15-18 Sep 2015)

7. (f) | UN Regulation No. 109

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.

Reference Number:	WP.29/2025/2
Meeting Session(s):	195th WP.29 session (3-7 Mar 2025)
Document date:	24 Dec 24
Document status:	Formal WP.29 review
Regarding:	Communications/Connectivity

Reference Number:	EVE-79-05
Meeting Session(s):	79th EVE session (17 Dec)
Document date:	23 Dec 24
Regarding:	GTR No. 21 EV Power Determination \| GTR No. 22 EV Battery Durability \| HD EV Battery Durability

Reference Number:	VIAQ-30-09
Meeting Session(s):	30th VIAQ session (11 Oct)
Document date:	23 Dec 24
Regarding:	MR 3: VIAQ

Reference Number:	WT-64-03
Meeting Session(s):	64th WT session (16 Dec)
Document date:	22 Dec 24
Regarding:	UN R117 Tire Noise, Wet Adhesion, and Rolling Resistance

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