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GRRF-80-10

Proposal for amendments to document GRRF/2015/27 (Regulation No. 54)

Source(s)

ETRTO

Date

11 Sep 2015

Status

Superseded

Subject

Meeting(s)

GRRF | Session 80 | 15-18 Sep 2015

Agenda item 7. (c) UN Regulation No. 54

Document GRRF/2015/27 proposes to modify the marking requirements to replace PSI with kilopascals (“kPa”). The intent is to harmonize the pressure indication and avoid confusion between UN Regulation No. 54 and US FMVSS 119 or FMVSS 139. This proposal would allow for the use of kPa markings in place of PSI prior to the 1 January 2018 transition date.

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Related documents

Excerpts from session reports

GRB | Session 62 | 1-3 Sep 2015

14. The expert from ETRTO introduced ECE/TRANS/WP.29/GRRF/2015/27 and ECE/TRANS/WP.29/GRRF/2015/32 which would be considered at the forthcoming session of the Working Party on Brakes and Running Gear (GRRF) (15-18 September 2015). GRB experts were invited to review these documents and to provide their colleagues in GRRF with comments, if any.

GRRF | Session 80 | 15-18 Sep 2015

38. The expert from ETRTO also introduced ECE/TRANS/WP.29/GRRF/2015/27 as amended by GRRF-80-10 proposing to replace the “PSI index” by the pressure in “kPa”. The proposal received several comments e.g. on paragraph 3.1.10. and the use of “may” or “shall”. GRRF agreed to resume consideration of this proposal at its next session on the basis of a revised proposal that the expert from ETRTO volunteered to prepare.

38. The expert from ETRTO also introduced ECE/TRANS/WP.29/GRRF/2015/27 as amended by GRRF-80-10 proposing to replace the “PSI index” by the pressure in “kPa”. The proposal received several comments e.g. on paragraph 3.1.10. and the use of “may” or “shall”. GRRF agreed to resume consideration of this proposal at its next session on the basis of a revised proposal that the expert from ETRTO volunteered to prepare.

GRRF | Session 81 | 1-5 Feb 2016

33. The expert from ETRTO introduced ECE/TRANS/WP.29/GRRF/2016/12, a revised proposal to amend the tyre marking requirements and also containing the amendments previously proposed by the expert from Slovakia. GRRF adopted the proposal and requested the secretariat to submit it to WP.29 and AC.1 for consideration at their June 2016 sessions, as part of the draft Supplement 21 to Regulation No. 54 and as part of the draft Regulation No. 117.

GRB | Session 63 | 16-18 Feb 2016

9. GRB was informed that the Working Party on Brakes and Running Gear (GRRF), at its February 2016 session, had adopted amendment proposals to Regulation No. 117 with the aim to align some definitions and paragraphs with Regulations Nos. 30, 54 and 75. The adopted proposals also included a definition of “manufacturer” from the Consolidated Resolution on the Construction of Vehicles (R.E.3) and amended the tyre marking requirements.