Proposal for a corrigendum to Revision 3 of UN Regulation No. 110
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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:

  1. 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
  2. Add A.15 and A.6 since they do match the tests specified in paragraph 7.5 on Cylinder design qualification tests
  3. Add A.24 because paragraph 6.9 on Fire protection requires all PRDs on all cylinder types to comply with A.24.

Reference Number: GRSG-113-06
Origin: ISO and NGV
Date: 26 September 2017
Proposal Status: Superseded
Related Documents:
GRSG/2018/3 | UN R110: Proposal for Corrigendum 1 to Revision 3
Discussion(s):
Working Party on General Safety | Session 113 | 10-13 Oct 2017

43. The expert from the NGV Global proposed to correct Table 6.4. on the cylinder design qualification tests (GRSG-113-06). GRSG noted general support on the proposal and agreed to take a final position on this subject at its next session. The secretariat was requested to circulate GRSG-113-06 with an official symbol.