IS 5221 : 1997 : Shipbuilding - Bearngs for derric gosseneck assemblies and components

Scope

1.1 This standard specifies the types of assemblies, material and dimensions for derrick boom gooseneck bearings of conventional derrick design to be fitted on board ships for cargo handling purposes.

2. Referenced Documents

IS No. Title

919 ( Part 1 ) : 1993 ISO systems of limits and fits : Part 1 Bases of tolerances, deviations and fits ( second revision )

2004 : 1991 Carbon steel forgings for general engineering purposes ( third revision )

2062 : 1992 Steel for general structural purposes

2985 : 1990 Steel castings for ships structure ( third revision )

3039 : 1988 Structural steel for construction of hulls for ships ( second revision )

3261 : 1980 Carbon steel forgings for shipbuilding industry ( first revision )

4478 : 1992 Shipbuilding - Derricks rigs - Glossary of terras ( first revision )