Revised ECE/TRANS/WP.29/GRSP/2021/28

Proposal by the experts from the Ad Hoc Group of Interested Experts on Accessories for Protective Helmets to introduce some corrigendum

Proposal by the experts from OICA to add some further suggestions to GRSP-70-12

Revised proposal prepared by the secretariat pursuant to discussion of GRSP/2021/28, proposing to align UN R127 with provisions set out in the revised General Safety Regulation (EU) 2019/2144 that will apply in the European Union in accordance with the proposed transitional provisions. The proposal also covers a specific provision on optional monitoring of headform contact with A-pillars, windscreen header and cowl and proposes inconsequential adaptations and clarifications to the existing requirements.

Correction to the numbering of the explanatory notes to the new definition “specific voltage condition” in paragraph 2.47.

Discussion on ECE/TRANS/WP .29/GRSP/2021/19

Proposal to introduce requirements to position test dummies in the rear seating positions, including a 50th percentile male ATD in the middle position, under the dynamic test.

Proposal to introduce provisions for post-crash electrical safety to align with GTR 20 on electric vehicle safety.

Specifications for the Construction, Preparation and Certification of the 50th percentile male Biofidelic Rear Impact Dummy, (BioRID-II UN) anthropomorphic test Device.

Clarifies the application of the dynamic test procedures and specifies the installation configurations to be tested. Aims to clarify the tests conducted in a consistent way by Technical Services.

Proposal clarifies the application of the dynamic test procedures and specifies the installation configurations to be tested. Aims to clarify the tests conducted in a consistent way by Technical Service.

Proposal clarifies the application of the dynamic test procedures and specifies the installation configurations to be tested. Aims to clarify the tests conducted in a consistent way by Technical Services.

Proposal clarifies the application of the dynamic test procedures and specifies the installation configurations to be tested. Aims to clarify the tests conducted in a consistent way by Technical Services.

Clarifies how to assess the head containment. Increases the time frame for the assessment of the head containment criteria from the current period of 0 to 80 ms into the full duration of the entire test

Expands the scope and covers: M1 with a maximum permissible mass not exceeding 3,500 kg; M1 with a maximum permissible mass exceeding 3,500 kg and a low “R” point and N1.

Proposal corrects an omission in paragraph 3 with regard to information on safety-belt reminders and aligns the regulation with Annex I of EU regulation 2018/858.

Proposes alternative test methods for heavy duty vehicles in order to improve applicability of the requirements to vehicles of categories M2, M3, N2 and N3.

Introduces wording to clarify that the performance of protective helmets may be affected by using accessories not tested during the type approval procedure. Changes introduced by customers on helmets are not covered once the helmet has been type-approved.

Defines parameters to enable a reproducible measurement of the acute angle alpha (α) to decide if the vehicle is or is not in the scope of the regulation.

Proposal to address the safety of helmet accessories until such time as specific requirements for the approval of accessories independently of helmets can be established.

Proposal brings the text from the information sheet referring to the safety-belt reminder where it is really required, namely the seating position of the driver.