CEN/TC 226
| Project No. | EN 14389:2023 |
|---|---|
| Title | This document specifies a method for evaluating the working life of noise reducing devices used alongside roads according to the relevant exposure conditions. It also specifies a method for determining the acoustic characteristic at the end of the working life. |
| Registration number (WIID) | 72921 |
| Scope | This document specifies a method for evaluating the working life of noise reducing devices used alongside roads according to the relevant exposure conditions. It also specifies a method for determining the acoustic characteristic at the end of the working life. |
| Status | Izstrādē |
| ICS group | 93.080.30 |