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Homepage>BS Standards>17 METROLOGY AND MEASUREMENT. PHYSICAL PHENOMENA>17.140 Acoustics and acoustic measurements>17.140.30 Noise emitted by means of transport>21/30442075 DC BS EN 14389. Road traffic noise reducing devices. Procedures for assessing long term performance
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immediate downloadReleased: 2021-12-16
21/30442075 DC BS EN 14389. Road traffic noise reducing devices. Procedures for assessing long term performance

21/30442075 DC

BS EN 14389. Road traffic noise reducing devices. Procedures for assessing long term performance

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Standard number:21/30442075 DC
Pages:16
Released:2021-12-16
Status:Draft for Comment
DESCRIPTION

21/30442075 DC


This standard 21/30442075 DC BS EN 14389. Road traffic noise reducing devices. Procedures for assessing long term performance is classified in these ICS categories:
  • 93.080.30 Road equipment and installations
  • 17.140.30 Noise emitted by means of transport
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.