Small craft. Airborne sound emitted by powered recreational craft - Sound assessment using calculation and measurement proceduresWhat is this standard about? This part of ISO 14509 specifies the procedures for assessing sound emission of powered monohull recreational craft of length up to 24 m with a Froude number greater than 1,1. It is not applicable for personal watercraft (PWC). This part of ISO 14509 specifies the determination of the A weighted sound pressure level by combining a calculation method and a measurement method.

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government body or other

BS 9999:2017 supersedes BS 9999:2008

test methods and performance criteria for point-type

performance requirements and alarming

improving traffic flow dynamics and thereby reducing energy use and emissions

Anybody wishing to demonstrate the carbon neutrality of a uniquely identified subject

Contents of BS EN 50065-1:

responding to the increasing challenges of the global and digital environment

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Partitioning of a structure in zones ZS

relating to fire risk