UNITED

NATIONS

Distr.

GENERAL

TRANS/WP.29/628	2 June 1998

ENGLISH

Original: ENGLISH

and FRENCH

INLAND TRANSPORT COMMITTEE

Working Party on the Construction of Vehicles

DRAFT SUPPLEMENT 11 TO REGULATION No. 54

(Pneumatic tyres for commercial vehicles)

Note: The text reproduced below was adopted by the Administrative Committee (AC.1) of the amended 1958 Agreement at its eighth session, following the recommendation by the Working Party at its one-hundred-and-fourteenth session.

It is based on document TRANS/WP.29/1998/5, not amended (TRANS/WP.29/609,

paras. 73 and 124).

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GE.98-

Paragraph 6.1.4.2., amend to read:

".... However, for tyres with nominal section width exceeding 305 mm intended for dual mounting (twinning), the value determined pursuant to paragraph 6.1.1. above shall not be exceeded by more than 2 per cent for radial-ply tyres with nominal aspect ratio higher than 60, or 4 per cent for diagonal (bias-ply) tyres."

Annex 5,

PART I, Table D, delete the following tyre sizes:

"24x 7.50-13	31x13.50-15

27x 8.50-14	31x15.50-15

28x 8.50-15	32x11.50-15 */

29x 9.50-15	33x12.50-15

30x 9.50-15	35x12.50-15

31x10.50-15	37x12.50-15

31x11.50-15	37x14.50-15

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*/	Erroneously indicated in Regulation No. 54, Revision 1 as "32x11.50-50".

PART II, Table B, insert at the end the following two new tyre sizes:

Tyre size

designation

1/	Measuring

rim width

code	Nominal

rim

diameter

d (mm)	Outer diameter

D (mm) 2/

Normal Snow	Section

width

S (mm)

3/
........
33x9.50 R15LT	7.50	381	826	832	240
35x12.50 R16.5LT	10.00	419	877	883	318

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