Active standard | Published: 04/09/2024

ISO 7447:2024

Underwater acoustics — Measurement of radiated underwater sound from percussive pile driving — In situ determination of the insertion loss of barrier control measures underwater
(Acoustique sous-marine — Mesurage de l’émission sonore sous-marine lors de l’enfoncement de pieux marins par percussion — Détermination in situ de la perte par insertion de barrieres sous-marines)

Available languages: English

Available design: electronic design (pdf), Print design

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Detail information

Designation: ISO 7447:2024

Publication date: 04/09/2024

Pages: 25

Country: International technical standard

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Anotation

Description / Abstract: This document specifies two procedures for the in situ determination of the insertion loss of underwater noise abatement measures (noise abatement systems). The impulsive sound of pile driving is used as the sound source for the investigation of noise abatement systems. This document does not apply to artificial sound sources and investigations under laboratory conditions. Apart from the correct application of the respective noise abatement system, the achieved sound attenuation also depends on the installation conditions (e.g. type of hammer, driving energy, pile dimensioning) as well as on the environmental conditions (e.g. water depth, seafloor classification and bathymetry, current and wind conditions) and the flanking transmission via the seafloor.

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