GAR | WP.29/2020/6

Document Number WP.29/2020/6

1	2	3	4	6
Document title	UN R117: Proposal for Supplement 11 to the 02 series of amendments
Date	19 Dec 2019			Proposal for an amendment to complement the content of working document GRVA/2018/5. The proposal includes amendments to: The Standard Reference Test Tyre (SRTT) denominations Remove the discrimination between the two Class C3 tyres Clarify that there are no C3 tyres in the scope of this UN Regulation “not marked with speed symbol” Align Annex 6 with the most recent amendments made to standard ISO 28580 Define “standard deviation” as appropriate in the text Clarify that, in the cases of C2 and C3 tyres, the “Reference (test) pressure” and the value “Pr” correspond to the indication of the inflation pressure which is always marked on the sidewall Use “repeatable” instead of references to “reproducibility” Update test report forms Include the date on which the new proposed supplement of UN Regulation No. 117 will apply Improve the description of the evaluation of the rolling sound emission test Correct the figure in Annex 2, Appendix 2, and Update cross references pursuant to paragraph renumbering.
Source(s)	Add source(s) of document, if applicable
Status	Adopted
Rulemaking area(s)	UN R117 Tire Noise, Wet Adhesion, and Rolling Resistance
Regulatory impact	02 series of amendments \| Supplement 11
Meeting(s)	WP.29 \| Session 180 \| 9-12 Mar 2020 Agenda item 4.6. Consideration of draft amendments to existing UN Regulations submitted by GRBP
Related documents
	GRBP/2019/19		UN R117: Proposal for an amendment (Superseded)
	GRBP-70-21/Rev.2		UN R117: Modification to document GRBP/2019/19 (Superseded)
	GRB-68-12		UN R117: Comments on the Supplement proposal GRVA/2018/5 (Superseded)
	GRVA/2018/5		UN R117: Proposal for a Supplement (Superseded)
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