This International Standard specifies the major dimensions of strum boxes installed at the end of bilge suction pipes to prevent pipe obstruction by solid matter. Strum boxes complying with this International Standard are not acceptable for bilge suction pipes in machinery spaces and shaft tunnels. This International Standard applies to deep sea ships and inland navigation ships. NOTE — Users of this International Standard should note that while observing the stated requirements, they should at the same time ensure compliance with such statutory requirements, rules and regulations as may be applicable to the individual ship concerned.