UNITED

NATIONS

Distr.

Economic and Social	GENERAL

Council	TRANS/WP.29/2001/37
11 April 2001

Original: ENGLISH

ECONOMIC COMMISSION FOR EUROPE

INLAND TRANSPORT COMMITTEE

World Forum for Harmonization of Vehicle Regulations (WP.29)

(One-hundred-and-twenty-fourth session,

26-29 June 2001, agenda item 4.2.11.)

PROPOSAL FOR DRAFT SUPPLEMENT 14 TO REGULATION No. 54

(Pneumatic tyres for commercial vehicles)

Transmitted by the Working Party on Brakes and Running Gear (GRRF)

Note: The text reproduced below was adopted by GRRF at its forty-ninth session, and is transmitted for consideration to WP.29 and to AC.1. It is based on the text reproduced in the session report (TRANS/WP.29/GRRF/49, para. 66).

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This document is a working document circulated for discussion and comments. The use of this document for other purposes is the entire responsibility of the user. Documents are also available via the INTERNET:

http://www.unece.org/trans/main/welcwp29.htm

GE.01-

Paragraph 2.1.3., amend to read:

"2.1.3.	Category of use;"

Insert new paragraphs 2.2. to 2.2.3., to read:

"2.2.	Category of use:

2.2.1.	"Normal tyre" means a tyre intended for normal, everyday, on road use;

2.2.2.	"Special use tyre" means a tyre intended for mixed use both on- and off-road or for other special duty.

2.2.3.	"Snow tyre" means a tyre whose tread pattern, tread compound or structure are primarily designed to achieve in snow conditions a performance better than that of a normal tyre with regard to its ability to initiate or maintain vehicle motion."

Insert a new paragraph 3.1.12., and its corresponding footnote */, to read:

"3.1.12	The inscription "ET" or "ML" or "MPT" for "Special use tyres" */

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*/ This marking shall only be mandatory for tyre types approved to this Regulation after the entry into force of Supplement 14 to the Regulation."

Annex 7,

Paragraph 3., amend to read:

"3.	Load/speed test programme for tyre with a load capacity index 121, or the additional marking "LT" included in the tyre size designation, and load capacity index above 121 and a speed category O and above"

Annex 7, appendix 1, note (2), amend to read:

"(2)	Tyres with load index 121 or more, speed categories N or P and the additional marking "LT" included in the tyre size designation, shall be tested with the same programme as specified in the above table for tyres with load index 121 or less."

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