This agenda item relates to UN R110 CNG/LNG System Components.
Working Party on General Safety | Session 110 | 25-29 Apr 2016

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.

Working Party on General Safety | Session 111 | 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.

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.

GRSG-111-02/Rev.1 | Revised rationale for the proposed amendments to Regulation No. 110 (ISO)
GRSG-112-05 | Rationale for the proposal to align Regulation No. 110 with ISO 11439:2013 (ISO)
GRSG-112-06 | International Association of Fire and Rescue Services (CTIF) presentation: Standardization of warning information (CTIF)
GRSG-112-28 | Proposal to amend Regulation No. 110 (Italy)
GRSG-112-32 | Proposal for amendments to UN Regulation No. 67 (Germany)
GRSG-112-33 | Proposal for amendments to UN Regulation No. 110 (Germany)
GRSG-112-38 | UN R110: Harmonization of CNG Fuel Tank Requirements with ISO 11439 (ISO and CSA)
GRSG/2016/22 | Proposal for amendments to Regulation No. 110 (ISO)
GRSG/2017/4 | Proposal for Supplement 6 to the 01 series of amendments to Regulation No. 110 (Netherlands)
GRSG/2017/9 | Proposal for Supplement 1 to the 02 series of amendments to Regulation No. 110 (France)