IMPA CODE N. 333139
SYMBOLS – GENERAL SIGNS
Different kinds of symbols and common signs. The final code you get: The final code is composed of: symbol code, material and size specifique codes by tables below.
Cod. = symbol + sizes code + material code
The purpose of the Code is to provide a standardised, consistent framework for evaluating risk, enabling Governments to offset changes in threat with changes in vulnerability for ships and port facilities through determination of appropriate security levels and corresponding security measures.