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WP.29/2017/69

Proposal for Supplement 7 to the 01 series of amendments to Regulation No. 55

Source(s)

Date

6 Apr 2017

Status

Adopted

Subject

UN R55 Mechanical Couplings

Impact

01 series of amendments | Supplement 7

Meeting(s)

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

Agenda item 4.8.2. Proposal for Supplement 7 to the 01 series of amendments to Regulation No. 55

Proposal for:

An amendment for the separation of the procedures to verify towable mass from the procedure of setting and certifying performance values;
An amendment that adds procedures to verify towable mass for vehicle combinations that have hitherto not been accounted for in the Regulation;
Amendments that adds integrated fixing points for secondary couplings;
An amendment that clarifies the procedure to identify worst cases for certification testing;
Amendments that removes typos in the current Regulation.

Please note that, under paragraph 3.4 regarding “Combination 4”, the Clevis coupling formula should read “D_C” rather than “D” as shown.

Downloads

UNECE server

Related documents

Excerpts from session reports

GRRF | Session 83 | 23-27 Jan 2017

18. The Secretary of the IWG on Regulation No. 55 presented (GRRF-83-06) a consolidated proposal (ECE/TRANS/WP.29/GRRF/2017/3) based on the proposals presented at the previous session of GRRF and addressing the comments received.

19. GRRF adopted the proposal [after correcting an equation in Annex 8, para. 3.4., Clevis Coupling D formulae] and requested the secretariat to submit it as part of the draft Supplement 7 to the 01 series of amendments to Regulation No. 55 (Mechanical coupling) to WP.29 and AC.1 for consideration and vote at their June 2017 sessions.

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

With 34 of the 44 Contracting Parties applying UN R55 present and voting, AC.1 adopted document WP.29/2017/69 by a vote of 34 in favor, 0 opposed, with 0 abstaining.