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52nd GRSP, 11 – 14 Decemer 2012, agenda item 14

Informal document GRSP-52-28 (52 nd GRSP, 11 - 14 May 2012, agenda item 14). 52nd GRSP, 11 – 14 Decemer 2012, agenda item 14. Regulation No. 29 – 03 series of amendments. Background. The scope for the Informal Group on Truck Cab Strength was

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52nd GRSP, 11 – 14 Decemer 2012, agenda item 14

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  1. Informal documentGRSP-52-28 (52nd GRSP, 11 - 14 May 2012, agenda item 14) 52nd GRSP, 11 – 14 Decemer 2012, agenda item 14 Regulation No. 29 – 03 series of amendments

  2. Background The scope for the Informal Group on Truck Cab Strength was • To develop testing procedures for trucks of categories N2 with a gross vehicle mass exceeding 7.5 ton and for categories N3. • To leave testing procedures for trucks of categories N1 and N2 with a gross vehicle mass not exceeding 7.5 ton unchanged.

  3. Test for all categories • "Test A" means a frontal impact test intended to evaluate the resistance of a cab in frontal impact accident. • "Test B" means an impact test to the A-pillars of the cab intended to evaluate the resistance of a cab in a 90 rollover accident with subsequent impact. • "Test C" means a cab roof strength test intended to evaluate the resistance of a cab in a 180° rollover accident.

  4. Front impact test (test A) Vehicle of category N₁, N₂, N₃

  5. Front pillar impact test (Test B) Vehicles of category N₂ with a gross vehicle mass exceeding 7.5 t and of category N₃

  6. Roof strength test (Test C) Vehicle of category N₁, N₂, N₃ The loading device face shall covers the whole area of the cab roof. Dynamic pre-loading of vehicles of category N2 with a gross vehicle mass exceeding 7.5 t and of category N3

  7. Proposal for amending GRSP/2012/19 Amend to read: 1. Scope This Regulation applies to vehicles of category N3and vehicles of category N2 with a gross vehicle mass exceeding 7.5 t with separate driver’s cab and to vehicles of category N1 and vehicles of category N2 with a gross vehicle mass not exceeding 7.5 t of category N with regard to the protection of the occupants of the cab.

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