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.
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| Document Title: Proposal to amend Regulation No. 110 |
| Document Reference Number: GRSG-112-28 |
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Description: Proposal to require in the case where ogive protective covers are fitted to a cylinder that the covers be removed before conducting the impact damage (drop) test. |
| Submitted by: Italy |
| Meeting Session: 112th GRSG session (24-28 Apr 2017) |
| Document date: 21 Apr 17 (Posted 24 Apr 17) |
| Document status: Superseded |
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This document concerns UN Regulation No. 110 | Compressed and Liquefied Natural Gas System Components.
This submission is related to the following document(s):
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| Meeting Reports |
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Working Party on General Safety | Session 112 | 24-28
Apr 2017
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. |
| Document Title: Proposal for amendments to UN Regulation No. 110 |
| Document Reference Number: GRSG-112-33 |
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Description: Proposal to establish a requirement for easy access to the CNG container installation in order to permit visual (periodical) inspection as a means to reduce the safety risks, such as refueling explosion, due to corrosion. |
| Submitted by: Germany |
| Meeting Session: 112th GRSG session (24-28 Apr 2017) |
| Document date: 24 Apr 17 (Posted 24 Apr 17) |
| Document status: Superseded |
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This document concerns UN Regulation No. 110 | Compressed and Liquefied Natural Gas System Components.
This submission is related to the following document(s):
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| Meeting Reports |
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Working Party on General Safety | Session 112 | 24-28
Apr 2017
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. |
| Document Title: Report on the 1st meeting of the GRSG Task Force on "Gas-fueled vehicle regulations" |
| Document Reference Number: GRSG-114-08 |
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Description: The target of the meeting was to define essential periodic inspection requirements to be respected when installing gaseous fuel components into a vehicle, and to clarify the material requirements for components inside the LPG tank. The work addressed UN R67 and UN R110. No further meetings are planned at this time. |
| Submitted by: Germany |
| Meeting Session: 114th GRSG session (9-13 Apr 2018) |
| Document date: 23 Mar 18 (Posted 26 Mar 18) |
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This document concerns UN Regulation No. 67 | Liquefied Petroleum Gas Equipment and UN Regulation No. 110 | Compressed and Liquefied Natural Gas System Components.
This submission is related to the following document(s):
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| Meeting Reports |
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Working Party on General Safety | Session 114 | 9-13
Apr 2018
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. |
| Document Title: UN R110: Proposal for amendments with regard to visual inspections |
| Document Reference Number: GRSG-114-26 |
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Description: Proposal to delete the reference to visual inspection under the support straps of the cylinders from the text under consideration. Such inspection would require dismantling of the cylinder installations which would contravene the consensus decision to avoid such exhaustive dismantling. |
| Submitted by: OICA |
| Meeting Session: 114th GRSG session (9-13 Apr 2018) |
| Document date: 09 Apr 18 (Posted 10 Apr 18) |
| Document status: Rejected |
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This document concerns UN Regulation No. 110 | Compressed and Liquefied Natural Gas System Components.
This submission is related to the following document(s):
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| Meeting Reports |
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Working Party on General Safety | Session 114 | 9-13
Apr 2018
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. |
| Document Title: UN R110: Proposal for Supplement 1 to the 03 series of amendments | |
| Document Reference Number: WP.29/2018/125 | |
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Description: Proposal to clarify visibility requirements for CNG cylinders, LNG tanks, and their accessories to facilitate external inspections (e.g. for periodic technical inspection). |
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| Meeting Session: 176th WP.29 session (12-16 Nov 2018) | |
| Document date: 15 Aug 18 (Posted 21 Aug 18) | |
| Document status: Adopted by WP.29 | |
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This document concerns UN Regulation No. 110 | Compressed and Liquefied Natural Gas System Components.
This submission is related to the following document(s):
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| Adoption Vote | |
| 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. | |
| Meeting Reports | |
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World Forum for the Harmonization of Vehicle Regulations | Session 176 | 12-16
Nov 2018
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. |
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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).