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Proposal for amendments to document GRRF/2015/39 concerning UN Regulation No. 109
Document GRRF-80-16
14 September 2015

Document GRRF/2015/39 proposes to change measurement units for drum speed from min-1 to km.h-1 to align the
requirements with other tyre regulations. This amendment proposal would clarify wording:
1. “speed category symbol” to “speed symbol”,
2. “load capacity index” to “load index”,
3. correct reference to para. 3.2.13. of the Regulation in Annex 7, Appendix 1, and
4. correct the boundary value of the load index in Annex 7, Appendix 1.

Submitted by Slovakia
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Previous Documents, Discussions, and Outcomes
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.

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.

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.

Related and Previous Documents
GRRF/2015/39
GRRF-81-12
GRRF/2016/40
Relates to UN R109 |