ISO DIS 21131

Description / Abstract: This document specifies the noise requirements, measurement methods and hearing protection requirements or noise reduction methods of marine cranes including electro-hydraulic cylinder luffing cranes, electro-hydraulic wire rope luffing cranes and electric wire rope luffing cranes.

This document is applicable to the noise assessment of marine cranes and their operators.

In case of conflict between this document and the classification regulations, class regulations should be considered primarily