6. (b) Amendments to gas-fuelled vehicle regulations: Regulation No. 110 (CNG and LNG vehicles)
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28. The expert from Germany introduced GRSG-114-10 on the outcome of the task force on ECE/TRANS/WP.29/GRSG/2017/17 which was on improving the provisions for installing and inspecting Compressed Natural Gas (CNG) cylinders or Liquefied Natural Gas (LNG) tanks and their accessories. The expert from Italy preferred a more accurate inspection of such containers without the removal of structural parts (GRSG-114-19). After discussion, GRSG agreed to add design requirements that allow easy periodical technical inspections. The expert from the Netherlands requested that container manufacturers provide more detailed recommendations for periodical technical inspections and for periodic requalification tests, and requested that these recommendations be stored and made available for all inspections.
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GRSG-114-10/Rev.1 | UN R110: Proposal for the 03 series of amendments
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UN R110: Proposal for the 03 series of amendments
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Reference Number: GRSG-114-10/Rev.1
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Proposal developed by the Gas-fueled Vehicle Regulations Task Force to facilitate periodic inspections of gas containers through better visibility. In addition, Germany suggests adding a paragraph to allow a Contracting Party or a regional organization of Contacting Parties like the EU to refuse national or regional type-approval and to refuse first registration of a vehicle type affected by the changes introduced by the 03 series of amendments but not meeting those stipulations. Paragraph 24.22. is an addition to paragraph 22.18. giving more stress to the aspects of national and regional type-approval and of first registration of vehicles.
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Submitted by: Germany
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Meeting Sessions: 114th GRSG session (9-13
Apr 2018)
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Document date: 11 Apr 18
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Document status: Superseded
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Relevant to
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View full document file for more information
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GRSG-114-19 | UN R110: Proposal for the 03 series of amendments
GRSG/2017/17 | Proposal for the 03 series of amendments to Regulation No. 110
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Proposal for the 03 series of amendments to Regulation No. 110
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Reference Number: GRSG/2017/17
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Proposal for a new series of amendments to UN Regulation No. 110 to improve the specifications for the installation and inspection of CNG cylinders and of LNG tanks and their accessories. This proposal addresses incidents caused by cylinder corrosion. The proposal aims to reinforce the requirements for adequate cylinder protection and for sufficient access to the cylinder and its accessories to allow regular visual inspection.
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Submitted by: Germany
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Meeting Sessions: 113th GRSG session (10-13
Oct 2017)
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Document date: 14 Jul 17
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Document status: Superseded
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Relevant to
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View full document file for more information
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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.
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GRSG-114-26 | UN R110: Proposal for amendments with regard to visual inspections
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UN R110: Proposal for amendments with regard to visual inspections
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Reference Number: GRSG-114-26
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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.
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Submitted by: OICA
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Meeting Sessions: 114th GRSG session (9-13
Apr 2018)
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Document date: 09 Apr 18
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Document status: Not supported
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Relevant to
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View full document file for more information
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30. Finally, GRSG considered a revised proposal (GRSG-114-10-Rev.1) and adopted ECE/TRANS/WP.29/GRSG/2017/17 as reproduced below. The secretariat was requested to submit the proposal to WP.29 and AC.1 as draft Supplement 1 to the 03 series of amendments to UN Regulation No. 110 for consideration at their November 2018 sessions.
Insert a new paragraph 18.1.6.1., to read: | 18.1.6.1. | Notwithstanding the provisions of paragraph 18.1.6., it shall be possible to make an external inspection (e.g. for Periodic Technical Inspection) of the CNG cylinder or LNG tank and their accessories according to the specifications of the manufacturer, without the use of tools to dismantle, but with visual aids, e.g. lamps, mirrors or endoscopes. |
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GRSG/2017/17 | Proposal for the 03 series of amendments to Regulation No. 110
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Proposal for the 03 series of amendments to Regulation No. 110
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Reference Number: GRSG/2017/17
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Proposal for a new series of amendments to UN Regulation No. 110 to improve the specifications for the installation and inspection of CNG cylinders and of LNG tanks and their accessories. This proposal addresses incidents caused by cylinder corrosion. The proposal aims to reinforce the requirements for adequate cylinder protection and for sufficient access to the cylinder and its accessories to allow regular visual inspection.
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Submitted by: Germany
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Meeting Sessions: 113th GRSG session (10-13
Oct 2017)
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Document date: 14 Jul 17
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Document status: Superseded
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Relevant to
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View full document file for more information
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GRSG-114-10/Rev.1 | UN R110: Proposal for the 03 series of amendments
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UN R110: Proposal for the 03 series of amendments
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Reference Number: GRSG-114-10/Rev.1
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Proposal developed by the Gas-fueled Vehicle Regulations Task Force to facilitate periodic inspections of gas containers through better visibility. In addition, Germany suggests adding a paragraph to allow a Contracting Party or a regional organization of Contacting Parties like the EU to refuse national or regional type-approval and to refuse first registration of a vehicle type affected by the changes introduced by the 03 series of amendments but not meeting those stipulations. Paragraph 24.22. is an addition to paragraph 22.18. giving more stress to the aspects of national and regional type-approval and of first registration of vehicles.
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Submitted by: Germany
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Meeting Sessions: 114th GRSG session (9-13
Apr 2018)
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Document date: 11 Apr 18
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Document status: Superseded
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Relevant to
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View full document file for more information
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31. The expert from Italy, in reference to ECE/TRANS/WP.29/GRSG/2017/29, proposed to amend Annex 3A of the Regulation, i.e. the test requirements for the periodic requalification of CNG cylinders to avoid structural failures during their service life (GRSG-114-32), including new provisions for a mandatory impact damage test for all cylinders without the use of shoulder pads. GRSG welcomed the specific test reports provided by Italy on CNG4 cylinders (GRSG-114-07, GRSG-114-14, GRSG-114-15). GRSG noted concerns and comments. Finally, GRSG agreed to refer it to the task force and to resume consideration of this subject at its next session on the basis of a revised official document.
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GRSG-114-07 | UN R110: Information in support of GRSG/2017/29
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UN R110: Information in support of GRSG/2017/29
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Reference Number: GRSG-114-07
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Italy research on type CNG4 cylinders in support of the proposal to require that covers be removed in cases where ogive protective covers are fitted to a cylinder before conducting the impact damage (drop) test (document GRSG/2017/29).
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Submitted by: Italy
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Meeting Sessions: 114th GRSG session (9-13
Apr 2018)
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Document date: 23 Mar 18
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Relevant to
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View full document file for more information
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GRSG-114-14 | UN R110: Specific tests on CNG4 cylinders- Provider 1
GRSG-114-15 | UN R110: Specific tests on CNG4 cylinders - Provider 2
GRSG-114-32 | UN R110: Presentation on amendments with regard to CNG4 cylinders
GRSG/2017/29 | Proposal for amendments to Regulation No. 110
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Proposal for amendments to Regulation No. 110
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Reference Number: GRSG/2017/29
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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.
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Submitted by: Italy
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Meeting Sessions: 113th GRSG session (10-13
Oct 2017)
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Document date: 28 Jul 17
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Document status: Superseded
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Relevant to
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View full document file for more information
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32. The expert from NGV Global introduced ECE/TRANS/WP.29/GRSG/2018/3 that proposed to correct Table 6.4 on the cylinder design qualification tests. GRSG adopted the proposal and requested the secretariat to submit the proposal to WP.29 and AC.1, for consideration at their November 2018 sessions, as Corrigendum 1 to Revision 3 of UN Regulation No. 110.
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GRSG/2018/3 | UN R110: Proposal for Corrigendum 1 to Revision 3
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UN R110: Proposal for Corrigendum 1 to Revision 3
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Reference Number: GRSG/2018/3
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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: - 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
- Add A.15 and A.6 since they do match the tests specified in paragraph 7.5 on Cylinder design qualification tests
- Add A.24 because paragraph 6.9 on Fire protection requires all PRDs on all cylinder types to comply with A.24.
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Submitted by: LG Europe and ISO
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Meeting Sessions: 114th GRSG session (9-13
Apr 2018)
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Document date: 22 Jan 18
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Document status: Superseded
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Relevant to
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View full document file for more information
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33. The expert from the Netherlands presented GRSG-114-03 on new requirements for components used in LNG/CNG systems such as the “CNG accumulator” and the “CNG compressor”. GRSG noted no objection on the proposal and agreed to consider it in detail at its next session on the basis of an official document.
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GRSG-114-03 | UN R110: Proposal for amendments
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UN R110: Proposal for amendments
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Reference Number: GRSG-114-03
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Proposal to introduce requirements for CNG compressor and CNG accumulator components designed to maintain stable pressure in fuel systems. See also documents GRSG-113-24 and 25 from the previous GRSG session.
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Submitted by: Netherlands
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Meeting Sessions: 114th GRSG session (9-13
Apr 2018)
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Document date: 01 Feb 18
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Document status: Superseded
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Relevant to
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View full document file for more information
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34. The expert from the Netherlands introduced GRSG-114-06 to allow the use of gas fuelled generators to provide electrical power for accessories or other vehicle systems. The expert from the United Kingdom suggested simplifying the text and referring to a secondary engine only. GRSG noted the general support for GRSG-114-06-Rev.1 and requested the secretariat to circulate it with an official symbol at the next GRSG session for a final review.
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GRSG-114-06/Rev.1 | UN R110: Proposal for amendments to reduce venting via new technologies
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UN R110: Proposal for amendments to reduce venting via new technologies
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Reference Number: GRSG-114-06/Rev.1
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Proposal to allow the use of a generator fueled by the vehicle gaseous fuel system that provides electricity to run accessories (e.g., overnight power in sleeper cabs, to maintain battery charge during high electrical power use with loading or lifting equipment). This proposal would allow for the use of LNG/CNG from vehicle fuel tanks and thereby reduce the potential need to vent gas into the air in response to pressure buildup due to warming over time by using the gas to power other devices and equipment.
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Submitted by: Netherlands
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Meeting Sessions: 114th GRSG session (9-13
Apr 2018)
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Document date: 12 Apr 18
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Document status: Superseded
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Relevant to
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View full document file for more information
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35. The expert from OICA sought the advice of GRSG on GRSG-114-27 that adapts the text of the Regulation to the current technology on the gas flow adjustor in the carburettor or injector. GRSG endorsed the proposal in principle and agreed to resume consideration at the next session of GRSG on the basis of an official document.
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GRSG-114-27 | UN R110: Proposal for amendments concerning gas flow adjuster
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UN R110: Proposal for amendments concerning gas flow adjuster
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Reference Number: GRSG-114-27
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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.
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Submitted by: OICA
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Meeting Sessions: 114th GRSG session (9-13
Apr 2018)
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Document date: 09 Apr 18
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Document status: Superseded
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Relevant to
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View full document file for more information
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