International Standard
ISO 20712-3:2024
Water safety signs and beach safety flags — Part 3: Guidance for use
Reference number
ISO 20712-3:2024
Edition 4
International Standard
Read sample
ISO 20712-3:2024
Published (Edition 4, 2024)

ISO 20712-3:2024

ISO 20712-3:2024
CHF 129
Convert Swiss francs (CHF) to your currency


This document 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. It provides guidance on their location, mounting positions, lighting and maintenance. It also provides guidance on the design and location of multiple signs.

This document does not apply to traffic signs for use on the public highway or maritime signalling. It is not applicable to flags for use on firing ranges or to flags used to indicate water quality. It does not cover means of escape signs or their possible illumination.

NOTE            This document refers to water safety signs which were originally specified in ISO 20712-11) .These water safety signs have been integrated in ISO 7010, but are not specifically identified as water safety signs.

1) Cancelled and replaced by ISO 7010.

General information

  •  : Published
     : 2024-05
    : International Standard published [60.60]
  •  : 4
     : 22
  • ISO/TC 145/SC 2
  • RSS updates

Got a question?

Check out our Help and Support

Check out our FAQs

Customer care
+41 22 749 08 88

Opening hours:
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)