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Proposal for Amendment 2 to global technical regulation No. 3
Document WP.29/2015/38
29 December 2014

Proposal submitted by the GRRF 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”.

Status: Adopted text published
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Previous Documents, Discussions, and Outcomes
3.5.4. | Working Party on Brakes and Running Gear (GRRF) (Seventy-ninth session, 16-20 February 2015)
5.2.1. | Proposal for Amendment 2 to GTR No. 3
14.1. | Proposal for Amendment 2 to GTR No. 3

101. Submitted for consideration and vote, the proposal for Amendment 2 to draft UN GTR on motorcycle braking (ECE/TRANS/WP.29/2015/38, ECE/TRANS/WP.29/2015/39, ECE/TRANS/WP.29/AC.3/37) was established in the UN Global Registry on 12 March 2015 by consensus vote of the following Contracting Parties present and voting: Australia, Canada, China, European Union (voting for Cyprus, Finland, France, Germany, Hungary, Italy, Lithuania, Luxembourg, Netherlands, Romania, Slovakia, Slovenia, Spain, Sweden and the United Kingdom), India, Japan, Norway, Republic of Korea, Republic of Moldova, Russian Federation, South Africa and United States of America.

102. AC.3 adopted ECE/TRANS/WP.29/2015/38 with the following typographical change by introducing a missing comma:

The amendments to page 5, para. 3.1.9, second line<§i>, correct to read:

“..may share a common break, a common transmission…”

17.2. | GTR No. 3 (Motorcycle braking)
5. (b) | Global Technical Regulation No. 3

21. The expert from Italy introduced ECE/TRANS/WP.29/GRRF/2014/22 based on GRRF‑76‑44, proposing to align the provisions with those proposed for UN Regulation No. 78 (see para. 19). GRRF adopted the proposal, as amended below. The secretariat was requested to submit the proposal to WP.29 and AC.3 for consideration at their March 2015 sessions as draft Amendment 2 to the GTR No. 3. The expert from Italy agreed to submit the corresponding technical report for consideration at the AC.3 session in March 2015. GRRF would have the opportunity to review it at its February 2015 session.

Paragraph 5.3., amend to read:

“…
d)Brake actuation force:
The control force that achieves the maximum vehicle deceleration rate as defined in paragraph 6.5.1.(c).
…”

22. The expert from EC introduced GRRF-78-07, amending document ECE/TRANS/WP.29/GRRF/2014/22, proposing to align the provisions with those proposed for Regulation No. 78 (see para. 20). GRRF agreed to revisit the document at its February 2015 session on the basis of a revised proposal by EC in collaboration with IMMA.

Related and Previous Documents
GRRF/2014/22
GRRF-78-07
WP.29/2015/39
Relates to GTR No. 3 |