ISO 21131:2019

INTERNATIONAL ISO
STANDARD 21131
First edition
2019-06
Ships and marine technology —
Marine cranes — Noise limits and
measuring method
Navires et technologie maritime — Grues marines — Limites de bruit
et méthodes de mesure
Reference number
ISO 21131:2019(E)
©
ISO 2019

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ISO 21131:2019(E)

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ii © ISO 2019 – All rights reserved

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ISO 21131:2019(E)

Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Area classification . 2
5 Noise level limits and personnel noise exposure duration . 2
6 Measurement methods . 2
6.1 Measurement equipment . 2
6.1.1 General. 2
6.1.2 Sound level meter . 2
6.2 Measurement condition . 3
6.3 Measurement position. 3
7 Measurement uncertainty and report . 3
7.1 Measurement uncertainty . 3
7.2 Measurement report . 3
8 Protection from noise . 4
8.1 General . 4
8.2 Protection from noise for the operating console . 4
8.3 Protection from noise for the engine room . 4
9 Noise warning panels .
...