Proposal for amendments to Global Technical Regulation No. 3
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Proposal to clarify provisions concerning the use of Combined Braking Systems (CBS) and for a series of amendments to clarify a variety of requirements, notably concerning test surface requirements, ABS cycling, and peak braking coefficient measurements. The proposal clarifies the terms “inoperative” and “disconnected”, introduces the “K-method”.

Reference Number: GRRF-76-44
Origin: Italy
Date: 24 February 2014
Proposal Status: Superseded
Related Documents:
GRRF-76-35/Rev.1 | Proposal for amendments to ECE/TRANS/WP29/GRRF/2014/4
GRRF/2014/3 | Proposal for amendments to Global Technical Regulation No. 3
GRRF/2014/4 | Proposal for amendments to Global Technical Regulation No. 3
GRRF/2014/22 | Proposal for amendments to Global Technical Regulation No. 3
Discussion(s):
Working Party on Brakes and Running Gear | Session 76 | 17-21 Feb 2014

21. The expert from IMMA introduced on behalf of the sponsor, Italy, ECE/TRANS/WP.29/GRRF/2014/3 and ECE/TRANS/WP.29/GRRF/2014/4 as amended by GRRF-76-35-Rev.1, proposing similar amendments to those proposed for Regulation No. 78 (see para. 20, agenda item 5a). These proposals received comments and the expert from IMMA consolidated these requested changes into a revised proposal (GRRF-76-44). GRRF requested the secretariat to distribute GRRF-76-44 with an official symbol at its September 2014 session.