What is ISO 20712-3 about?
ISO 20712 discusses water safety signs and beach safety flags. ISO 20712-3 is the third part of the multi-series on water safety signs and beach safety flags that gives guidance for the selection and use of water safety signs as specified in ISO 7010 and beach safety flags as specified in ISO 20712-2 in aquatic environments.
ISO 20712-3 provides guidance on their location, mounting positions, lighting, and maintenance. ISO 20712-3 also provides guidance on the design and location of multiple signs.