GAR | GRSG-113-03

Document Title: Minutes from the Worn Tyres working group workshop session (during 49th session)

Document Reference Number: WT-49-08

Meeting Session: 49th WT session (27 Jan)

Document date: 29 Jan 23 (Posted 30 Jan 23)

This document concerns UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance.

Document Title: Attendance list from the Worn Tyres informal group workshop session

Document Reference Number: WT-49-07

Meeting Session: 49th WT session (27 Jan)

Document date: 29 Jan 23 (Posted 30 Jan 23)

This document concerns UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance.

Document Title: Attendance list from the 49th Worn Tyres working group session

Document Reference Number: WT-49-06

Meeting Session: 49th WT session (27 Jan)

Document date: 29 Jan 23 (Posted 30 Jan 23)

This document concerns UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance.

Document Title: Worn tyres: Test center water depth measurement experience-data collection template

Document Reference Number: WT-49-02/Rev.1

Meeting Session: 49th WT session (27 Jan)

Document date: 29 Jan 23 (Posted 30 Jan 23)

This document concerns UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance.

Document Title: Report from the 22nd Noise Measurement Uncertainties informal group session

Document Reference Number: IWGMU-22-10

Meeting Session: 22nd TFMU session (25 Jan)

Document date: 30 Jan 23 (Posted 30 Jan 23)

This document concerns UN Regulation No. 51 | Vehicle Noise Emissions and UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance.

Document Title: Noise measurement uncertainties: Proposal for Revision 2 to the Document for Reference

Document Reference Number: IWGMU-22-06/Rev.1

Meeting Session: 22nd TFMU session (25 Jan)

Document date: 30 Jan 23 (Posted 30 Jan 23)

This document concerns UN Regulation No. 51 | Vehicle Noise Emissions and UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance.
This submission is related to the following document(s):

IWGMU-22-08/Rev.1 | UN R51: Draft proposal for Supplement 9 to the 03 series of amendments Available formats: doc

Document Title: Noise measurement uncertainties: Document for Reference-Proposal for editorial improvements

Document Reference Number: IWGMU-22-07/Rev.1

Description:

Proposal for improvements to the draft Revision 2 to GRBP/2022/9.

Meeting Session: 22nd TFMU session (25 Jan)

Document date: 30 Jan 23 (Posted 30 Jan 23)

GRBP/2022/9/Rev.1 | A general approach how to handle sound measurement uncertainty Available formats: pdf doc
IWGMU-22-08/Rev.1 | UN R51: Draft proposal for Supplement 9 to the 03 series of amendments Available formats: doc

Document Title: UN R51: Draft proposal for Supplement 9 to the 03 series of amendments

Document Reference Number: IWGMU-22-08/Rev.1

Description:

Draft proposal to introduce a new Annex 10 (“Estimation of the calculation of the expanded measurement uncertainties for sound measurements of Annex 3 for vehicles of category M and N”) to provide tables showing the measurement uncertainties when performing type-approval, Conformity of Production, and/or field testing (e.g. market surveillance). This work is associated with the “Document for Reference” which describes a general approach to estimating measurement uncertainties (GRBP/2022/9/Rev.1 pending consideration of Revision 2).

Meeting Session: 22nd TFMU session (25 Jan)

Document date: 30 Jan 23 (Posted 30 Jan 23)

This document concerns UN Regulation No. 51 | Vehicle Noise Emissions.
This submission is related to the following document(s):

GRBP/2022/9/Rev.1 | A general approach how to handle sound measurement uncertainty Available formats: pdf doc
IWGMU-22-07/Rev.1 | Noise measurement uncertainties: Document for Reference-Proposal for editorial improvements Available formats: doc
IWGMU-22-06/Rev.1 | Noise measurement uncertainties: Proposal for Revision 2 to the Document for Reference Available formats: doc

Regulation:	UN Regulation No. 107 \| Construction of Coaches and Buses
Document:	Revision 10
Corresponds to:	10 series of amendments (Entered into force on 8 Oct 2022)
Based on:	Document WP.29/2022/53 Proposal to improve evacuation times of M₂ and M₃ vehicles, including new provisions for devices to break window glass.

Regulation:	UN Regulation No. 117 \| Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance
Document:	Revision 4 \| Amendment 6
Corresponds to:	02 series of amendments \| Supplement 14 (Entered into force on 8 Oct 2022)
Based on:	Document WP.29/2022/8 Proposal to introduce provisions for ice grip tyres, clarify provisions on Conformity of Production, sample submissions, and testing methods, and to make editorial corrections and improvements.

Regulation:	UN Regulation No. 41 \| Motorcycle Noise
Document:	Revision 2 \| Amendment 11
Corresponds to:	04 series of amendments \| Supplement 10 (Entered into force on 7 Jan 2022)
Based on:	Document WP.29/2021/77 Proposal to correct some references, which need to be updated as a consequence of document WP.29/2020/70, adopted at the June 2020 WP.29 session, notably Paragraph 5.4.1 renumbered as paragraph 5.5.1. Paragraphs 5.4. and 5.5. respectively renumbered as paragraphs 5.5. and 5.6.

Regulation:	UN Regulation No. 30 \| Pneumatic Tires
Document:	Revision 3 \| Amendment 10
Corresponds to:	02 series of amendments \| Supplement 24 (Entered into force on 7 Jan 2022)
Based on:	Document WP.29/2021/75 Proposal to amend the extended mobility tyre (EMT) symbol following the detection of dimensional inconsistencies within the International Organization for Standardization Working Group (ISO) TC31/SC3/WG19, where the dimension “0,33h” was judged wrong and constituting an unnecessary over constraint and to amend the inflation value to be used for the tyre conditioning when assessing the “flat tyre running mode” of “run flat tyres” and of “extended mobility tyres”.

Regulation:	UN Regulation No. 24 \| C.I. Engine Emissions and Net Power
Document:	Revision 2 \| Amendment 6
Corresponds to:	03 series of amendments \| Supplement 6 (Entered into force on 7 Jan 2022)
Based on:	Document WP.29/2021/67 Proposal to clarify the scope and application of the regulation.

Regulation:	UN Regulation No. 107 \| Construction of Coaches and Buses
Document:	Revision 10
Corresponds to:	10 series of amendments (Entered into force on 8 Oct 2022)
Based on:	Document WP.29/2022/53 Proposal to improve evacuation times of M₂ and M₃ vehicles, including new provisions for devices to break window glass.

Regulation:	UN Regulation No. 117 \| Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance
Document:	Revision 4 \| Amendment 6
Corresponds to:	02 series of amendments \| Supplement 14 (Entered into force on 8 Oct 2022)
Based on:	Document WP.29/2022/8 Proposal to introduce provisions for ice grip tyres, clarify provisions on Conformity of Production, sample submissions, and testing methods, and to make editorial corrections and improvements.

Regulation:	UN Regulation No. 41 \| Motorcycle Noise
Document:	Revision 2 \| Amendment 11
Corresponds to:	04 series of amendments \| Supplement 10 (Entered into force on 7 Jan 2022)
Based on:	Document WP.29/2021/77 Proposal to correct some references, which need to be updated as a consequence of document WP.29/2020/70, adopted at the June 2020 WP.29 session, notably Paragraph 5.4.1 renumbered as paragraph 5.5.1. Paragraphs 5.4. and 5.5. respectively renumbered as paragraphs 5.5. and 5.6.

Regulation:	UN Regulation No. 30 \| Pneumatic Tires
Document:	Revision 3 \| Amendment 10
Corresponds to:	02 series of amendments \| Supplement 24 (Entered into force on 7 Jan 2022)
Based on:	Document WP.29/2021/75 Proposal to amend the extended mobility tyre (EMT) symbol following the detection of dimensional inconsistencies within the International Organization for Standardization Working Group (ISO) TC31/SC3/WG19, where the dimension “0,33h” was judged wrong and constituting an unnecessary over constraint and to amend the inflation value to be used for the tyre conditioning when assessing the “flat tyre running mode” of “run flat tyres” and of “extended mobility tyres”.

Regulation:	UN Regulation No. 24 \| C.I. Engine Emissions and Net Power
Document:	Revision 2 \| Amendment 6
Corresponds to:	03 series of amendments \| Supplement 6 (Entered into force on 7 Jan 2022)
Based on:	Document WP.29/2021/67 Proposal to clarify the scope and application of the regulation.

Document GRSG-113-03

NGV comments on the proposed amendments to UN Regulation No. 110

113th GRSG session (10-13 Oct 2017)

Submitted by NGV

Comments from NGV Global on the proposals from Italy (GRSG-112-28) and Germany (GRSG-112-33) regarding the testing and inspection of CNG cylinders.

Discussions and Outcomes

176th WP.29 session (12-16 Nov 2018)

Agenda item 4.7.6. | Proposal for Supplement 1 to the 03 series of amendments to UN Regulation No. 110 (CNG and LNG vehicles)

WP.29/2018/125

114. The Chair of GRSG presented proposals on ECE/TRANS/WP.29/2018/123 to ECE/TRANS/WP.29/2018/126 under agenda items 4.7.4 to 4.7.7, to amend UN Regulations Nos. 46, 67, 105 and 110. The World Forum recommended their submission to AC.1 for voting.

This proposal (WP.29/2018/125) was adopted by the World Forum. Forty Contracting Parties out of the 50 applying UN R110 were present for the vote by AC.1. Forty voted in favor with zero against and zero abstaining.

114th GRSG session (9-13 Apr 2018)

Agenda item 6. (a) | Amendments to gas-fuelled vehicle regulations: Regulation No. 67 (LPG vehicles)

Agenda item 6. (b) | Amendments to gas-fuelled vehicle regulations: Regulation No. 110 (CNG and LNG vehicles)

Agenda item 6. | Amendments to gas-fuelled vehicle regulations

GRSG-114-08
GRSG-114-26

23. The expert from Germany introduced GRSG-114-08 on the recent meeting of the task force on gas-fuelled vehicle regulations held in Cologne (Germany) on 6 and 7 February 2018. He added that progress had been good on UN Regulation No. 110, but the amendments to UN Regulation No. 67 were still under considerations.

29. The expert from OICA presented GRSG-114-26 proposing to amend the specifications for inspection of CNG-cylinders / LNG-tanks and their accessories. GRSG did not support the proposal.

113th GRSG session (10-13 Oct 2017)

Agenda item 6. (b) | Amendments to gas-fuelled vehicle regulations: Regulation No. 110 (CNG and LNG vehicles

39. The expert from Germany introduced ECE/TRANS/WP.29/GRSG/2017/17 to improve the specifications for the installation and inspection of Compressed Natural Gas (CNG) cylinders or of Liquefied Natural Gas (LNG) tanks and their accessories. GRSG welcomed the proposal and noted that WP.29 and the Administrative Committee of the 1997 Agreement were expected to consider and adopt ECE/TRANS/WP.29/2017/134 on a new UN Rule on Periodical Technical Inspections of motor vehicles using CNG and/or LNG in their propulsion system. The proposal from Germany received a number of comments, especially on the need to align the recommendations for the periodical technical inspections of such vehicles with the specifications for the re-qualification of the CNG cylinders or LNG tanks. GRSG noted the comments received by the experts from NGV Global (GRSG-113-03) and OICA (GRSG-113-20).

112th GRSG session (24-28 Apr 2017)

Agenda item 9. | Regulation No. 110

GRSG-112-28
GRSG-112-33

32. Reporting on some cases of structural failures of cylinders in his country, the expert from Italy proposed amendments to Annex 3A on the test requirements for the periodic requalification of cylinders (GRSG-112-28). The expert from Finland stated that these test requirements on periodical inspections of CNG/LNG vehicles in use were only recommendations to be taken into account during the type approval procedure of a new type of vehicle. GRSG noted that Contracting Parties were used to perform on their national level the periodical technical inspections in different ways. Referring to GRSG-112-32 presented under agenda item 7 (see para. 26 above), the expert from Germany introduced GRSG-112-33 proposing to also strengthen the requirements in UN Regulation No. 110 for the installation on vehicles of CNG-cylinders, LNG-tanks and their accessories as well as for their subsequent inspection of without the need of disassembling the containers.

33. GRSG noted general support on the proposals. The Chair invited all GRSG experts to send their comments, in due time, to the experts from Germany and Italy. GRSG agreed to resume consideration of this subject at its next session on the basis of official documents, prepared by Germany and Italy, taking into account the comments received.

UN R110