Clasification Society Rulefinder 2020 - Version 9.33 - Fix
Common Structural Rules - Common Structural Rules for Bulk Carriers and Oil Tankers, January 2019 - Part 1 General Hull Requirements - Chapter 2 General Arrangement Design - Section 3 Compartment Arragement - 3 Double Side

3 Double Side

3.1 Double side width

3.1.1 Oil tankers

The minimum double side width, Wds, in m, is to be taken as the lesser of:

Wds = 2.0

3.1.2 Bulk carriers

Double side skin means a configuration where each ship side is constructed by the side shell and a longitudinal bulkhead connecting the double bottom and the deck. Hopper side tanks and topside tanks may, where fitted, be integral parts of the double side skin configuration.

The minimum double side width, Wds, is not to be less than 1 m measured perpendicular to the side shell.

3.2 Minimum clearance inside the double side

3.2.1 Definition

The minimum clearance is defined as the shortest distance measured between assumed lines connecting the inner surfaces of the stiffeners on the inner and outer hulls.

3.2.2 Minimum clearance dimensions

The minimum clearance between the inner surfaces of the stiffeners inside the double side is not to be less than:

  • 600 mm when the inner and/or the outer hulls are transversely framed,
  • 800 mm when the inner and the outer hulls are longitudinally framed.

Outside the parallel part of the cargo hold, the clearance may be reduced but is not to be less than 600 mm.


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