This part of SLNS/ISO 20712 gives guidance for the selection and use of water safety signs as specified in SLNS 50 and beach safety flags as specified in SLNS/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 part of SLNS/ISO 20712 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 and their illumination which may be present.
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