GAR | WP.29/2017/68

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Proposal for Supplement 22 to Regulation No. 54

Document WP.29/2017/68

11 April 2017

172nd WP.29 session (20-23 Jun 2017)

Proposal to

Clarify the minimum heights for markings of tyres with nominal rim diameter codes ≥ 20 and nominal section width ≤ 235
Clarify the minimum heights for markings of tyres with nominal rim diameter codes < 20 and nominal section width > 235
Correct the use of uppercase letters to denote dimensions where lowercase letters had been inserted
Correct the paragraph numbering pursuant to the adoption of Supplement 21
Delete a redundant note at the end of paragraph 6.1.5.3.3., and
Add specifications for tyre sizes 33×11.50R20LT, 35×11.50R17LT, 37×13.50R26LT, 36×15.50R20LT and 40×15.50R26LT.

Status: Adopted

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Previous Documents, Discussions, and Outcomes

172nd WP.29 session (20-23 Jun 2017)

4.8.1. | Proposal for Supplement 22 to Regulation No. 54

83rd GRRF session (23-27 Jan 2017)

7. (c) | Tyres: Regulation No. 54

31. The Chair recalled that GRRF already supported GRRF-82-23 together with ECE/TRANS/WP.29/GRRF/2016/35 as well as ECE/TRANS/WP.29/GRRF/2016/36 and that these documents were kept on the agenda, awaiting a proposal to be considered at this session.

32. The expert from ETRTO introduced ECE/TRANS/WP.29/GRRF/2017/4 proposing the introduction of new tyre sizes in Annex 5 to Regulation No. 54.

33. GRRF adopted ECE/TRANS/WP.29/GRRF/2016/35 as amended by Annex VII, ECE/TRANS/WP.29/GRRF/2016/36 and ECE/TRANS/WP.29/GRRF/2017/4. GRRF requested the secretariat to submit them as draft Supplement 22 to Regulation No. 54 (Tyres for commercial vehicles and their trailers) to WP.29 and AC.1 for consideration and vote at their June 2017 sessions.

82nd GRRF session (20-23 Sep 2016)

7. (c) | Tyres: Regulation No. 54

32. The expert from ETRTO introduced ECE/TRANS/WP.29/GRRF/2016/35 as amended by GRRF-82-23 proposing editorial corrections to Regulation No. 54. He also introduced ECE/TRANS/WP.29/GRRF/2016/36 proposing amendments to provisions on the minimum markings heights.

33. GRRF agreed with all documents above (see para. 32.) and requested the secretariat to keep the documents on the agenda for the next session.

Reference Number:	RDASEPL-06-06b
Meeting Session(s):	6th RDASEPL session (12 Dec)
Document date:	21 Nov 24
Regarding:	UN R41 Motorcycle Noise

Reference Number:	RDASEPL-06-06a
Meeting Session(s):	6th RDASEPL session (12 Dec)
Document date:	21 Nov 24
Regarding:	UN R41 Motorcycle Noise

Reference Number:	RDASEPL-06-03
Meeting Session(s):	6th RDASEPL session (12 Dec)
Document date:	21 Nov 24
Regarding:	UN R41 Motorcycle Noise

Reference Number:	ADS-05-07
Meeting Session(s):	5th ADS session (9-13 Dec)
Document date:	21 Nov 24
Regarding:	Automated Driving

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