GAR | WP.29/2017/68

WP.29/2017/68

Proposal for Supplement 22 to Regulation No. 54

Source(s)

Date

11 Apr 2017

Status

Adopted

Subject

UN R54 CV Tires

Impact

Original text | Supplement 22

Meeting(s)

WP.29 | Session 172 | 20-23 Jun 2017

Agenda item 4.8.1. Proposal for Supplement 22 to Regulation No. 54

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.

Downloads

UNECE server

Related documents

Excerpts from session reports

GRRF | Session 83 | 23-27 Jan 2017

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.

GRRF | Session 82 | 20-23 Sep 2016

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.