UNITED

NATIONS

Distr.

Economic and Social	GENERAL

Council	TRANS/WP.29/2001/28
12 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 4.2.8.)

PROPOSAL FOR DRAFT SUPPLEMENT 1 TO THE 05 SERIES

OF AMENDMENTS TO REGULATION No. 22

(Protective helmets)

Transmitted by the Working Party on Passive Safety (GRSP)

Note: The text reproduced below is based on document TRANS/WP.29/GRSP/2001/9, which is scheduled to be considered by GRSP at its twenty-ninth session. WP.29 agreed to consider it and eventually transmit it to AC.1 for voting, if it was adopted by GRSP (TRANS/WP.29/776, paras. 15

and 19).

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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 6.7., amend to read:

"6.7.	All external projections shall be radiused so as to avoid sharp edges, and any external projections other than press- fasteners shall be smooth and adequately faired."

Paragraph 6.15.3.3., amend to read:

" ..... the helmet fitted with the visor being tested shall be placed on a test headform of suitable size in accordance with the provisions of paragraph 7.3.1.3.1., with the helmet tipped towards the rear as specified in paragraph 7.3.1.3.1. and the visor placed in the closed position."

Paragraph 6.15.3.5., amend to read:

" ..... If different results arise when this is assessed, the requirements on scattered light shall be measured and assessed over an area 5 mm in diameter which includes the presumed error. In addition, the regular transmittance shall not deviate by more than ± 5 per cent from the reference value, measured in one of two sight points specified in paragraph 6.15.3.8., at any point within the field of vision of the visor."

Paragraph 7.1., amend to read:

"7.1.	Each helmet type, fitted with its visor if placed on the market with a visor, shall be conditioned as shown below.

....."

Insert a new paragraph 7.3.1.3.3., to read:

"7.3.1.3.3.	Helmets placed on the market with a visor shall be tested with	the visor in the closed position."

Paragraph 7.4.2.2.9., amend to read:

"7.4.2.2.9.	Verification of the test apparatus

With the unloaded carriage and a drop height of up to 450 mm the velocity of the carriage after 250 mm of travel ....."

Paragraph 7.8.3.1.3.2., amend to read:

"7.8.3.1.3.2.	Immediately after drying and before abrasion, the luminous transmittance shall be measured using the method given in paragraph 7.8.3.2.1.1, and the light diffusion shall be measured according to one of the methods specified in annex 11."

Paragraph 7.8.3.2.1., amend to read:

"7.8.3.2.1.	Three similar test pieces, each from a different visor and taken from the area specified in paragraph 6.15.3.2. shall meet the requirements of paragraphs 7.8.3.2.1.1. and 7.8.3.2.1.2."

Annex 12, footnotes 0) and 1), amend to read (the remaining footnotes unchanged):

"0) or an equivalent standard, i.e. one that delivers the same or better levels of quality.

1) to be carried out at the same technical service or the same accredited independent laboratory."

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