GAR | GRVA/2022/9

UN R13: Proposal for a Supplement to the 11 series of amendments

Document GRVA/2022/9

2 December 2021

12th GRVA session (24-28 Jan 2022)

Proposal to resolve problems with installation of stronger spring brake actuators in trailers to realize higher deceleration in the case of emergency braking caused by a cut of the supply line between towing vehicle and trailer.

Submitted by CLEPA

Status: Superseded

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Previous Documents, Discussions, and Outcomes

187th WP.29 session (20-24 Jun 2022)

4.8.3. | Proposal for a Supplement 19 to the 11 series of amendments to UN Regulation No. 13 (Heavy vehicle braking)

4.8.4. | Proposal for a Supplement 1 to the 12 series of amendments to UN Regulation No. 13 (Heavy vehicle braking)

12th GRVA session (24-28 Jan 2022)

8. (c) | Clarifications

81. The expert from CLEPA introduced ECE/TRANS/WP.29/GRVA/2022/9, with an amendment proposal to UN Regulation No. 13, aimed at resolving problems with installation of stronger spring brake actuators in trailers to realize higher deceleration in the case of emergency braking caused by a cut of the supply line between towing vehicle and trailer.

82. GRVA adopted ECE/TRANS/WP.29/GRVA/2022/9 and requested the secretariat to submit it as draft supplement to the 11 and 12 series of amendments to UN Regulation No. 13 to WP.29 and AC.1 for consideration and vote at their June 2022 sessions.

Reference Number:	WP.29/2025/2
Meeting Session(s):	195th WP.29 session (3-7 Mar 2025)
Document date:	24 Dec 24
Document status:	Formal WP.29 review
Regarding:	Communications/Connectivity

Reference Number:	EVE-79-05
Meeting Session(s):	79th EVE session (17 Dec)
Document date:	23 Dec 24
Regarding:	GTR No. 21 EV Power Determination \| GTR No. 22 EV Battery Durability \| HD EV Battery Durability

Reference Number:	VIAQ-30-09
Meeting Session(s):	30th VIAQ session (11 Oct)
Document date:	23 Dec 24
Regarding:	MR 3: VIAQ

Reference Number:	WT-64-03
Meeting Session(s):	64th WT session (16 Dec)
Document date:	22 Dec 24
Regarding:	UN R117 Tire Noise, Wet Adhesion, and Rolling Resistance

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