Proposal for amendments to Regulation No. 110
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Proposal to regulate the direction of discharging the pressure relief devices of CNG containers.

Reference Number: GRSG/2014/29
Date: 18 July 2014
Proposal Status: Superseded
Related Documents:
GRSG-106-07 | UN Regulation No. 110 – CNG/LNG vehicles
GRSG-107-35 | Proposal to delay consideration of document GRSG/2014/29
GRSG/2013/26 | Proposal for amendments to Regulation No. 110
GRSG/2015/6 | Proposal for draft 02 series of amendments to Regulation No. 110
WP.29/2014/12 | Proposal for Supplement 2 to the 01 series of amendments to Regulation No. 110
Discussion(s):
Working Party on General Safety | Session 107 | 30 Sep-3 Oct 2014

24. The expert from the Netherlands introduced ECE/TRANS/WP.29/GRSG/2014/29 to regulate the direction of discharging the pressure relief devices of CNG containers. He explained that the proposal addressed the safety of not only the vehicle occupants but also the surrounding area. The expert from IANGV introduced GRSG-107-35, which suggests that the discussion should be deferred until after the outcome of the ongoing research conducted in the United States of America on this matter. The experts from France, Germany, Sweden and OICA questioned the impact of this proposal on design of vehicle categories M1 and N1. GRSG agreed to resume discussion on this subject at its May 2015 session on the basis of a revised document.