GRSG-111-02
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Rationale for the proposal to align Regulation No. 110 with ISO 11439:2013
(ISO)
Description
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Detailed review of the proposed changes to UN R110.
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Document Reference Number: GRSG-111-02
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Submitted by: ISO
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Document date: 28 Jul 16
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More information
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Related regulations or topics
Related documents
GRSG/2016/22 | Proposal for amendments to Regulation No. 110
GRSG-106-29 | UN R110 Annex 3 & ISO 11439 “High pressure cylinders for the on-board storage of natural gas as a fuel for automotive vehicles”
GRSG-111-02/Rev.1 | Revised rationale for the proposed amendments to Regulation No. 110
Related discussions
111th GRSG session (11-14
Oct 2016)
32. The expert from ISO presented an overview of the activities of his organization on specific aspects for gaseous fuels (GRSG-111-25). He introduced GRSG-111-02 with the rationale of all amendments proposed to UN Regulation No. 110 in document ECE/TRANS/WP.29/GRSG/2016/22 superseding ECE/TRANS/WP.29/GRSG/2016/6. GRSG welcomed GRSG-111-03 listing the copies of all ISO standards referenced to in UN Regulation No. 110 on CNG/LNG vehicles. A number of experts raised a concern on the dynamic referencing of international standards and expressed their preference for a static referencing, mainly for legal purposes. GRSG reviewed the document and agreed on the need to adopt the proposal as a new 03 series of amendments and to insert transitional provisions triggered of the 1 September. The expert from France asked for more detailed information on each of the proposed amendments, especially on the level of stringency and their impact on technical services. The expert from CLEPA underlined the need to also insert transitional provisions for existing type approvals and sufficient lead time for suppliers to upgrade them.
33. Following study reservations by the experts from Germany, France and CLEPA, GRSG decided to resume consideration of the proposal at its next session in April 2017 based on a revised document to be submitted by ISO. The Chair invited all experts to send their written comments on GRSG-111-02-Rev.1 in due time to the experts from ISO or NGV Global.
31. The expert from Canada gave a presentation on high pressure cylinders for the on-board storage of natural gas as a fuel for motor vehicles (GRSG-106-29). He underlined the need to harmonize worldwide the test requirements for the CNG containers and proposed to align the provisions of Annex 3 to UN Regulation No. 110 with those of standard ISO 11439:2013. He added that GRSG should also consider simply inserting into Annex 3, references to ISO 11439. GRSG noted the decision of WP.29 that a reference in a UN Regulation to a private standard should not be adopted without free availability of that standard (see report ECE/TRANS/WP.29/1108, para. 39). The expert from OICA questioned the relevancy of the ISO standard, if all provisions were included into the UN Regulation. The Chair invited the gas experts to prepare an official document for consideration at the next GRSG session. The secretariat was requested to keep GRSG-106-29 on the agenda as a reference document.
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01 Aug 2016
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Working Party
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Informal Documents
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Compressed and Liquefied Natural Gas System Components
CNG/LNG System Components
Uniform Provisions Concerning the Approval of:
I. Specific components of motor vehicles using compressed natural gas (CNG) and/or liquefied natural gas (LNG) in their propulsion system;
II. Vehicles with regard to the installation of specific components of an approved type for the use of compressed natural gas (CNG) and/or liquefied natural gas (LNG) in their propulsion system.
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Detailed review of the proposed changes to UN R110.
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GRSG-111-0002
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GRSG-111-02/Rev.1
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Revised rationale for the proposed amendments to Regulation No. 110
(ISO)
Description
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Proposal to - Update the standards to note that all references to standards are always to the latest version unless stated otherwise.
- Update Annex II with: Series of PRD/TPRD’s are not allowed
- Update A.24 with the pressure relief device shall comply with the requirements given in annex 4A for the specific type
- Update Annex 4A para 4 and para 7 with reference to ISO15500-13.
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Document Reference Number: GRSG-111-02/Rev.1
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Submitted by: ISO
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Document date: 02 Nov 16
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Document status: Superseded
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More information
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Related regulations or topics
Related documents
GRSG-111-02 | Rationale for the proposal to align Regulation No. 110 with ISO 11439:2013
GRSG-111-03 | ISO standards referenced to in UN Regulation No. 110 (zip archive)
GRSG-112-05 | Rationale for the proposal to align Regulation No. 110 with ISO 11439:2013
Related discussions
111th GRSG session (11-14
Oct 2016)
32. The expert from ISO presented an overview of the activities of his organization on specific aspects for gaseous fuels (GRSG-111-25). He introduced GRSG-111-02 with the rationale of all amendments proposed to UN Regulation No. 110 in document ECE/TRANS/WP.29/GRSG/2016/22 superseding ECE/TRANS/WP.29/GRSG/2016/6. GRSG welcomed GRSG-111-03 listing the copies of all ISO standards referenced to in UN Regulation No. 110 on CNG/LNG vehicles. A number of experts raised a concern on the dynamic referencing of international standards and expressed their preference for a static referencing, mainly for legal purposes. GRSG reviewed the document and agreed on the need to adopt the proposal as a new 03 series of amendments and to insert transitional provisions triggered of the 1 September. The expert from France asked for more detailed information on each of the proposed amendments, especially on the level of stringency and their impact on technical services. The expert from CLEPA underlined the need to also insert transitional provisions for existing type approvals and sufficient lead time for suppliers to upgrade them.
33. Following study reservations by the experts from Germany, France and CLEPA, GRSG decided to resume consideration of the proposal at its next session in April 2017 based on a revised document to be submitted by ISO. The Chair invited all experts to send their written comments on GRSG-111-02-Rev.1 in due time to the experts from ISO or NGV Global.
28. The expert from ISO presented GRSG-112-38 justifying the need to harmonize the requirements on Compressed Natural Gas (CNG) and/or Liquefied Natural Gas (LNG) vehicles in UN Regulation No. 110 with those in the latest version of ISO 11439:2013 (as proposed in ECE/TRANS/WP.29/GRSG/2016/22). He recalled the comments received by GRSG experts during the last sessions (mainly on GRSG-111-02-Rev.1 and GRSG-112-05) and announced his intention to prepare, in due time, a revised official document for consideration at the next GRSG sessions, including transitional provisions.
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02 Nov 2016
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Working Party
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Informal Documents
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Compressed and Liquefied Natural Gas System Components
CNG/LNG System Components
Uniform Provisions Concerning the Approval of:
I. Specific components of motor vehicles using compressed natural gas (CNG) and/or liquefied natural gas (LNG) in their propulsion system;
II. Vehicles with regard to the installation of specific components of an approved type for the use of compressed natural gas (CNG) and/or liquefied natural gas (LNG) in their propulsion system.
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Proposal to <ol class="alpha"><li>Update the standards to note that all references to standards are always to the latest version unless stated otherwise.</li><li>Update Annex II with: Series of PRD/TPRD’s are not allowed</li><li>Update A.24 with the pressure relief device shall comply with the requirements given in annex 4A for the specific type</li><li>Update Annex 4A para 4 and para 7 with reference to ISO15500-13.</li></ol>
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GRSG-111-0002/Rev.1
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GRSG-111-03
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ISO standards referenced to in UN Regulation No. 110 (zip archive)
(ISO)
Description
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Copies of the ISO standards. Extraction from zip file requires password. GRSG delegations may obtain the password from the secretariat.
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Document Reference Number: GRSG-111-03
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Submitted by: ISO
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Document date: 16 Aug 16
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More information
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Related regulations or topics
Related documents
GRSG-111-02/Rev.1 | Revised rationale for the proposed amendments to Regulation No. 110
Related discussions
111th GRSG session (11-14
Oct 2016)
32. The expert from ISO presented an overview of the activities of his organization on specific aspects for gaseous fuels (GRSG-111-25). He introduced GRSG-111-02 with the rationale of all amendments proposed to UN Regulation No. 110 in document ECE/TRANS/WP.29/GRSG/2016/22 superseding ECE/TRANS/WP.29/GRSG/2016/6. GRSG welcomed GRSG-111-03 listing the copies of all ISO standards referenced to in UN Regulation No. 110 on CNG/LNG vehicles. A number of experts raised a concern on the dynamic referencing of international standards and expressed their preference for a static referencing, mainly for legal purposes. GRSG reviewed the document and agreed on the need to adopt the proposal as a new 03 series of amendments and to insert transitional provisions triggered of the 1 September. The expert from France asked for more detailed information on each of the proposed amendments, especially on the level of stringency and their impact on technical services. The expert from CLEPA underlined the need to also insert transitional provisions for existing type approvals and sufficient lead time for suppliers to upgrade them.
33. Following study reservations by the experts from Germany, France and CLEPA, GRSG decided to resume consideration of the proposal at its next session in April 2017 based on a revised document to be submitted by ISO. The Chair invited all experts to send their written comments on GRSG-111-02-Rev.1 in due time to the experts from ISO or NGV Global.
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17 Aug 2016
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Working Party
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Informal Documents
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Compressed and Liquefied Natural Gas System Components
CNG/LNG System Components
Uniform Provisions Concerning the Approval of:
I. Specific components of motor vehicles using compressed natural gas (CNG) and/or liquefied natural gas (LNG) in their propulsion system;
II. Vehicles with regard to the installation of specific components of an approved type for the use of compressed natural gas (CNG) and/or liquefied natural gas (LNG) in their propulsion system.
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Copies of the ISO standards. Extraction from zip file requires password. GRSG delegations may obtain the password from the secretariat.
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GRSG-111-0003
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GRSG-111-18
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Proposal for amendments to ECE/TRANS/WP.29/GRSG/2016/16
(Japan)
Description
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Proposal to add a new condition to paragraph 18.1.7.2. such that the number of filling cycles will be verified at the time of type approval in order to prevent exceeding the maximum number of filling cycles.
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Document Reference Number: GRSG-111-18
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Submitted by: Japan
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Document date: 07 Oct 16
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Document status: Rejected
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More information
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Related regulations or topics
Related documents
GRSG/2016/16 | Proposal for amendments to Regulation No. 110
Related discussions
111th GRSG session (11-14
Oct 2016)
29. The expert from France proposed incorporating new provisions concerning refrigeration systems for cooling the cargo compartment which are connected to the compressed natural gas (CNG) and/or liquefied natural gas (LNG) system (ECE/TRANS/WP.29/GRSG/2016/16). The expert from Japan raised concerns about risks of increased filling cycles of CNG cylinders due to a higher filling frequency. He suggested supplementing the proposed provisions with additional test conditions to not exceed the maximum number of filling cycles of CNG cylinders (GRSG-111-18). A number of experts were of the opinion that the number of filling cycles of CNG cylinders specified in the test requirements of UN Regulation No. 110 would be sufficient to cover the higher filling frequencies. GRSG did not support the additional test conditions proposed by Japan.
30. GRSG adopted ECE/TRANS/WP.29/GRSG/2016/16 as amended below and requested the secretariat to submit it to WP.29 and AC.1 for consideration at their March 2017 sessions, as draft Supplement 6 to the 01 series of amendments to UN Regulation No. 110.
Paragraph 18.1.7.1., replace “compartiment des marchandises” by “compartiment de chargement”.
Paragraph 18.5.1.3., subparagraphs (b) and (c), replace “compartiment des marchandises” by “compartiment de chargement” and “contrôle électronique” by “contrôle électronique GNC/GNL” (two times).
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07 Oct 2016
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Working Party
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Informal Documents
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Compressed and Liquefied Natural Gas System Components
CNG/LNG System Components
Uniform Provisions Concerning the Approval of:
I. Specific components of motor vehicles using compressed natural gas (CNG) and/or liquefied natural gas (LNG) in their propulsion system;
II. Vehicles with regard to the installation of specific components of an approved type for the use of compressed natural gas (CNG) and/or liquefied natural gas (LNG) in their propulsion system.
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Proposal to add a new condition to paragraph 18.1.7.2. such that the number of filling cycles will be verified at the time of type approval in order to prevent exceeding the maximum number of filling cycles.
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GRSG-111-0018
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GRSG-111-20
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Proposal for amendments to Regulation No. 110
(Netherlands)
Description
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Proposal to correct the definition of “manual valve”, including deletion of the phrase “rigidly fixed to the cylinder or tank”.
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Document Reference Number: GRSG-111-20
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Submitted by: Netherlands
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Document date: 07 Oct 16
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Document status: Superseded
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More information
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Related regulations or topics
Related documents
GRSG/2017/4 | Proposal for Supplement 6 to the 01 series of amendments to Regulation No. 110
Related discussions
111th GRSG session (11-14
Oct 2016)
34. The expert from the Netherlands introduced GRSG-111-20 aimed at correcting an error in the definitions related to the manual valve. GRSG noted general support and agreed to resume consideration of this subject at its next session in April 2017. The secretariat was requested to circulate GRSG-111-20 with an official symbol.
29. The expert from the Netherlands introduced ECE/TRANS/WP.29/GRSG/2017/4 aimed at correcting an error in the definitions related to the manual valve. GRSG noted a number of comments and adopted ECE/TRANS/WP.29/GRSG/2017/4 as reproduced below. The secretariat was requested to submit it to WP.29 and AC.1 as draft Supplement 7 to the 01 series of amendment and as draft Supplement 1 to the 02 series of amendments to UN Regulation No. 110, for consideration at their November 2017 sessions.
Paragraph 4.16.1., amend to read:
“4.16.1. “Manual valve”: as defined in paragraph 4.22. that is rigidly fixed to the cylinder or tank."
Paragraph 4.16.3., amend to read:
“4.16.3. “Excess flow valve”: as defined in paragraph 4.21."
Paragraph 4.22., amend to read:
“4.22. “Manual valve” means a valve which is operated manually."
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07 Oct 2016
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Working Party
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Informal Documents
|
Compressed and Liquefied Natural Gas System Components
CNG/LNG System Components
Uniform Provisions Concerning the Approval of:
I. Specific components of motor vehicles using compressed natural gas (CNG) and/or liquefied natural gas (LNG) in their propulsion system;
II. Vehicles with regard to the installation of specific components of an approved type for the use of compressed natural gas (CNG) and/or liquefied natural gas (LNG) in their propulsion system.
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Proposal to correct the definition of "manual valve", including deletion of the phrase "rigidly fixed to the cylinder or tank".
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GRSG-111-0020
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GRSG-111-25
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Structure of ISO Technical Committee on specific aspects for gaseous fuels
(ISO)
Document Reference Number: GRSG-111-25
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Submitted by: ISO
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Document date: 11 Oct 16
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More information
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Related regulations or topics
Related discussions
111th GRSG session (11-14
Oct 2016)
32. The expert from ISO presented an overview of the activities of his organization on specific aspects for gaseous fuels (GRSG-111-25). He introduced GRSG-111-02 with the rationale of all amendments proposed to UN Regulation No. 110 in document ECE/TRANS/WP.29/GRSG/2016/22 superseding ECE/TRANS/WP.29/GRSG/2016/6. GRSG welcomed GRSG-111-03 listing the copies of all ISO standards referenced to in UN Regulation No. 110 on CNG/LNG vehicles. A number of experts raised a concern on the dynamic referencing of international standards and expressed their preference for a static referencing, mainly for legal purposes. GRSG reviewed the document and agreed on the need to adopt the proposal as a new 03 series of amendments and to insert transitional provisions triggered of the 1 September. The expert from France asked for more detailed information on each of the proposed amendments, especially on the level of stringency and their impact on technical services. The expert from CLEPA underlined the need to also insert transitional provisions for existing type approvals and sufficient lead time for suppliers to upgrade them.
33. Following study reservations by the experts from Germany, France and CLEPA, GRSG decided to resume consideration of the proposal at its next session in April 2017 based on a revised document to be submitted by ISO. The Chair invited all experts to send their written comments on GRSG-111-02-Rev.1 in due time to the experts from ISO or NGV Global.
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12 Oct 2016
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Working Party
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Informal Documents
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Liquefied Petroleum Gas Equipment
LPG Equipment
Uniform Provisions Concerning the Approval of:
I. Specific Equipment of Motor Vehicles Using Liquefied Petroleum Gases in their Propulsion System
II. A Vehicle Fitted with Specific Equipment for the Use of Liquefied Petroleum Gases in its Propulsion System with regard to the Installation of such Equipment
Compressed and Liquefied Natural Gas System Components
CNG/LNG System Components
Uniform Provisions Concerning the Approval of:
I. Specific components of motor vehicles using compressed natural gas (CNG) and/or liquefied natural gas (LNG) in their propulsion system;
II. Vehicles with regard to the installation of specific components of an approved type for the use of compressed natural gas (CNG) and/or liquefied natural gas (LNG) in their propulsion system.
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GRSG-111-0025
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GRSG/2016/16
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Proposal for amendments to Regulation No. 110
(France)
Description
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Proposal to allow for the use of natural gas refrigeration systems to vehicles propelled by natural gas (CNG or LNG). This proposal addresses a new, environmentally friendly natural gas fuelled refrigeration system for trucks with refrigerated loads that already are propelled by natural gas. Currently paragraph 18.1.7.1 allows heating systems to be fitted on vehicles to heat the passenger compartment and/or the load area of a vehicle, however, the same provision omits cooling systems that are used on trucks for the carriage of loads requiring refrigeration.
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Document Reference Number: GRSG/2016/16
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Submitted by: France
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Document date: 22 Jul 16
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Document status: Superseded
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More information
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Related regulations or topics
Related documents
GRSG-110-23 | Proposal for amendments to Regulation No. 110
GRSG-111-18 | Proposal for amendments to ECE/TRANS/WP.29/GRSG/2016/16
WP.29/2017/15 | Proposal for Supplement 6 to the 01 series of amendments to Regulation No. 110
Related discussions
111th GRSG session (11-14
Oct 2016)
29. The expert from France proposed incorporating new provisions concerning refrigeration systems for cooling the cargo compartment which are connected to the compressed natural gas (CNG) and/or liquefied natural gas (LNG) system (ECE/TRANS/WP.29/GRSG/2016/16). The expert from Japan raised concerns about risks of increased filling cycles of CNG cylinders due to a higher filling frequency. He suggested supplementing the proposed provisions with additional test conditions to not exceed the maximum number of filling cycles of CNG cylinders (GRSG-111-18). A number of experts were of the opinion that the number of filling cycles of CNG cylinders specified in the test requirements of UN Regulation No. 110 would be sufficient to cover the higher filling frequencies. GRSG did not support the additional test conditions proposed by Japan.
30. GRSG adopted ECE/TRANS/WP.29/GRSG/2016/16 as amended below and requested the secretariat to submit it to WP.29 and AC.1 for consideration at their March 2017 sessions, as draft Supplement 6 to the 01 series of amendments to UN Regulation No. 110.
Paragraph 18.1.7.1., replace “compartiment des marchandises” by “compartiment de chargement”.
Paragraph 18.5.1.3., subparagraphs (b) and (c), replace “compartiment des marchandises” by “compartiment de chargement” and “contrôle électronique” by “contrôle électronique GNC/GNL” (two times).
39. The expert from France presented GRSG-110-23 introducing new provisions for the use of natural gas refrigeration systems to vehicles propelled by natural gas (CNG or LNG). GRSG noted general support on the proposal and agreed to resume consideration of this subject at its next session in October 2016. For that purpose, the secretariat was requested to circulate GRSG-110-23 with an official symbol.
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06 Sep 2016
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Working Party
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Formal Documents
|
Compressed and Liquefied Natural Gas System Components
CNG/LNG System Components
Uniform Provisions Concerning the Approval of:
I. Specific components of motor vehicles using compressed natural gas (CNG) and/or liquefied natural gas (LNG) in their propulsion system;
II. Vehicles with regard to the installation of specific components of an approved type for the use of compressed natural gas (CNG) and/or liquefied natural gas (LNG) in their propulsion system.
|
Proposal to allow for the use of natural gas refrigeration systems to vehicles propelled by natural gas (CNG or LNG). This proposal addresses a new, environmentally friendly natural gas fuelled refrigeration system for trucks with refrigerated loads that already are propelled by natural gas. Currently paragraph 18.1.7.1 allows heating systems to be fitted on vehicles to heat the passenger compartment and/or the load area of a vehicle, however, the same provision omits cooling systems that are used on trucks for the carriage of loads requiring refrigeration.
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GRSG/2016/0016
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GRSG/2016/22
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Proposal for amendments to Regulation No. 110
(ISO)
Description
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Proposal to harmonize UN R110 with standard ISO 11439:2013 on high pressure cylinders for the on-board storage of natural gas as a fuel for automotive vehicles.
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Document Reference Number: GRSG/2016/22
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Submitted by: ISO
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Document date: 28 Jul 16
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Document status: Superseded
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More information
|
Related regulations or topics
Related documents
GRSG/2016/6 | Proposal for amendments to Regulation No. 110
GRSG-110-05 | Proposal for amendments to Regulation No. 110
GRSG-111-02 | Rationale for the proposal to align Regulation No. 110 with ISO 11439:2013
GRSG-112-05 | Rationale for the proposal to align Regulation No. 110 with ISO 11439:2013
GRSG-112-38 | UN R110: Harmonization of CNG Fuel Tank Requirements with ISO 11439
GRSG-113-02 | Rationale for the proposed amendments to Regulation No. 110
GRSG/2017/31 | Proposal for amendments to Regulation No. 110
Related discussions
111th GRSG session (11-14
Oct 2016)
32. The expert from ISO presented an overview of the activities of his organization on specific aspects for gaseous fuels (GRSG-111-25). He introduced GRSG-111-02 with the rationale of all amendments proposed to UN Regulation No. 110 in document ECE/TRANS/WP.29/GRSG/2016/22 superseding ECE/TRANS/WP.29/GRSG/2016/6. GRSG welcomed GRSG-111-03 listing the copies of all ISO standards referenced to in UN Regulation No. 110 on CNG/LNG vehicles. A number of experts raised a concern on the dynamic referencing of international standards and expressed their preference for a static referencing, mainly for legal purposes. GRSG reviewed the document and agreed on the need to adopt the proposal as a new 03 series of amendments and to insert transitional provisions triggered of the 1 September. The expert from France asked for more detailed information on each of the proposed amendments, especially on the level of stringency and their impact on technical services. The expert from CLEPA underlined the need to also insert transitional provisions for existing type approvals and sufficient lead time for suppliers to upgrade them.
33. Following study reservations by the experts from Germany, France and CLEPA, GRSG decided to resume consideration of the proposal at its next session in April 2017 based on a revised document to be submitted by ISO. The Chair invited all experts to send their written comments on GRSG-111-02-Rev.1 in due time to the experts from ISO or NGV Global.
33. Reminding GRSG experts about the purpose of ECE/TRANS/WP.29/GRSG/2016/6, the expert from ISO introduced GRSG-110-05 proposing further amendments to UN Regulation No. 110 aimed at harmonizing the requirements for CNG cylinders with those of standard ISO 11439:2013. GRSG welcomed the work done by ISO. GRSG noted a number of study reservations and the request for a detailed justification of only referencing to ISO standards instead of reproducing the testing provisions. Following the recommendation by WP.29, GRSG underlined the need to have a static referencing of the international standards referred to in the proposal. A number of experts requested to have free access to these standards. The secretariat offered the possibility to make a copy of these standards available on the GRSG website, but protected by a password which will be circulated to the GRSG experts prior to the forthcoming GRSG session.
34. Following the discussion, the expert from ISO announced his intention to provide the secretariat with a copy of the most important standards referenced to in his proposal. He volunteered to submit in due time a revised official document for amending UN Regulation No. 110, taking into account the comments received.
28. The expert from ISO presented GRSG-112-38 justifying the need to harmonize the requirements on Compressed Natural Gas (CNG) and/or Liquefied Natural Gas (LNG) vehicles in UN Regulation No. 110 with those in the latest version of ISO 11439:2013 (as proposed in ECE/TRANS/WP.29/GRSG/2016/22). He recalled the comments received by GRSG experts during the last sessions (mainly on GRSG-111-02-Rev.1 and GRSG-112-05) and announced his intention to prepare, in due time, a revised official document for consideration at the next GRSG sessions, including transitional provisions.
38. The expert from ISO introduced GRSG-113-02 and GRSG-113-37 justifying the alignment of the provisions in the UN Regulation with those in the latest version of ISO 11439:2013 (as proposed in ECE/TRANS/WP.29/GRSG/2017/31). The expert from OICA expressed his preference to adopt the proposal as a new series of amendments and suggested inserting transitional provisions (GRSG-113-21). GRSG agreed on the need to insert transitional provisions and to replace the dynamic references to international standards by static ones. Following the discussion, the expert from ISO presented GRSG-113-38 taking into account the comments received. GRSG considered the document in detail and adopted the proposal as reproduced in Annex IV (based on GRSG-113-38-Rev.1). The secretariat was requested to submit it to WP.29 and AC.1, as a new draft 03 series of amendments to UN Regulation No. 110, for consideration at their March 2018 sessions.
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01 Aug 2016
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Working Party
|
Formal Documents
|
Compressed and Liquefied Natural Gas System Components
CNG/LNG System Components
Uniform Provisions Concerning the Approval of:
I. Specific components of motor vehicles using compressed natural gas (CNG) and/or liquefied natural gas (LNG) in their propulsion system;
II. Vehicles with regard to the installation of specific components of an approved type for the use of compressed natural gas (CNG) and/or liquefied natural gas (LNG) in their propulsion system.
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Proposal to harmonize UN R110 with standard ISO 11439:2013 on high pressure cylinders for the on-board storage of natural gas as a fuel for automotive vehicles.
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GRSG/2016/0022
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