China Proposal for a harmonized M1 classification and limits
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Comparison ECE R51.03 (as adopted by GRB) versus the draft China regulation GB1495 for M1 vehicle noise and proposal for reconciling apparent differences between them.

Reference Number: GRB-60-15
Origin: CATARC
Date: 4 September 2014
Related Documents:
GRB/2014/5 | Proposal for the 03 series of amendments to Regulation No. 51
Discussion(s):
Working Party on Noise | Session 60 | 1-3 Sep 2014

7. The expert from OICA briefly introduced some additional elements which had been identified by IWG on UN Regulations Nos. 51 and 59 for further consideration and possible inclusion into the 03 series of amendments to UN Regulation No. 51 (GRB-60-01). The expert from ISO informed GRB about a new version of ISO 10844:2014 which added a few editorial modifications to the previous version ISO 10844:2014 without changes in the fundamental requirements (GRB-60-17). The expert from China introduced GRB-60-10-Rev.1 and GRB-60-15 in which he suggested higher limit values and a new classification for vehicles of a specific category available on the Chinese market. GRB requested the IWG on UN Regulations Nos. 51 and 59 to consider all these additional aspects and to prepare proposals for the next session, if necessary.