Proposal to amend and clarify the need for a gas flow adjuster under UN R110 with regard to the use of carburetors and fuel injectors. A gas flow adjuster is not necessary when an electronic fuel injection system manages the air/fuel mixture and therefore should be removed from paragraph 18.3.1. An adjuster is needed when air/fuel mixture runs via a carburetor and therefore should be added to paragraph 18.3.2.

Proposal to require, in instances where ogive protective covers are fitted to a cylinder, that the covers be removed before conducting the impact damage (drop) test.

Proposal to clarify that anti-theft-related vehicle components such as keys are not subject to the environmental tests (section 6.4.) of UN R116 which were established for components embedded in the vehicle.

Proposal to amend Annex 7 (laminated-glass panes), inserting a new paragraph 6 to allow optional 2,260 g ball test and headform test for laminated-glass panes. The proposal adds the marking “/D” to signify laminated-glass panes subjected to the 2,260 g ball test and the headform test. The proposal aims to enable the approval of laminated-glass panes with improved mechanical properties, especially as designed for front, exterior, forward-facing glazing of the upper deck of a double-deck vehicle.

Proposal to clarify visibility requirements for CNG cylinders, LNG tanks, and their accessories to facilitate external inspections (e.g. for periodic technical inspection).

Proposal to clarify that overlays may only be used to convey “safety-related rearward vision information.” The proposal addresses confusion regarding circumstances under which the provision of information through overlays is permissible. The proposal also amends the French text. The overall proposal aims to make clear that overlays may convey safety information regarding the rearward environment of the vehicle and are not necessarily limited only to when the vehicle is moving in reverse. The proposal also aims to restrict the information to rear-vision safety. Other information, not related to the rear view, should never appear within the defined field of view. The proposal also corrects the omission of Class VII devices from the communication form described under Annex 3 of the regulation, as previously adopted for Revisions 5 and 6.

Proposal to align UN R105 with provisions adopted by the Working Party on the Transport of Dangerous Goods (WP.15) under the European Agreement concerning the International Carriage of Dangerous Goods by Road (ADR), edition 2019.

Proposal to define visibility requirements for external gas containers and their accessories to facilitate periodic inspections. From 1 September 2020, Contracting Parties may refuse approvals under the 01 series issued after 1 September 2020.

In the absence of complete harmonization with ISO 11439, this proposal recommends that Table 6.4 of UN R110 should be amended by the following for CNG-1 designs:

1. Delete A.17, A.25, and A.7 since they do not match the tests specified in paragraph 7.5 on Cylinder design qualification tests
2. Add A.15 and A.6 since they do match the tests specified in paragraph 7.5 on Cylinder design qualification tests
3. Add A.24 because paragraph 6.9 on Fire protection requires all PRDs on all cylinder types to comply with A.24.

Proposal to align the Russian text with the English version.

Proposal to clarify the test requirements in alignment with the French text of the regulation by amending paragraph 5.10 to read “Tanks shall be installed in such a way as to be protected from the consequences of a collision to the front or the rear of the vehicle. There shall be no protruding parts, sharp edges, etc. near the tank.” The proposal aims to clarify the inspection of potentially protruding parts around the tanks in order to ensure their integrity in the event of a collision.

Proposal to clarify the test requirements in alignment with the French text of the regulation by amending paragraph 5.10 to read “Tanks shall be installed in such a way as to be protected from the consequences of a collision to the front or the rear of the vehicle. There shall be no protruding parts, sharp edges, etc. near the tank.” The proposal aims to clarify the inspection of potentially protruding parts around the tanks in order to ensure their integrity in the event of a collision.

Proposal to align the Russian text with the English version.

Proposal to require that fire suppression systems with an integrated detection system also activate the vehicle alarm system in order to alert the driver of the potentially hazardous situation.

Proposal to strike “sur un montage rigide” from paragraph 6 (Essai effectué sur un montage rigide/sur un véhicule/sur des parties représentatives du châssis d’un véhicule²) in order to align the French version with the English and Russian versions of the text.

Proposal from the GRSG secretariat to correct the “model B” figure illustrating marking provisions with a reference to the 03 series of amendments to UN R31.

Discussion paper proposing an effort to develop safety requirements for the protection of the driver and
tourist guide situation at the front of motor coaches.