Clasification Society Rulefinder 2020 - Version 9.33 - Fix
Common Structural Rules - Common Structural Rules for Bulk Carriers and Oil Tankers, January 2019 - Part 2 Ship Types - Chapter 1 Bulk Carriers - Section 1 General Arrangement Design - 1 Forecastle

1 Forecastle

1.1 General

1.1.1 An enclosed forecastle is to be fitted on the freeboard deck.

The aft bulkhead of the enclosed forecastle is to be fitted in way or aft of the forward bulkhead of the foremost hold, as shown in Figure 1.

However, if this requirement hinders hatch cover operation, the aft bulkhead of forecastle may be fitted forward of the forward bulkhead of the foremost cargo hold provided the forecastle length is not less than 7% of ship length for freeboard as specified in Pt 1, Ch 1, Sec 4, [3.1.2] abaft the fore side of stem.

Figure 1 : Forecastle arrangement

1.1.2 The forecastle height, HF above the main deck is not to be less than the greater of the following values:

  • The standard height of a superstructure as specified in Pt 1, Ch 1, Sec 4, [3.3].
  • HC + 0.5 m, where HC is the height of the forward transverse hatch coaming of the foremost cargo hold, i.e. cargo hold No. 1.

1.1.3 All points of the aft edge of the forecastle deck are to be located at a distance less than or equal to , taken as:

from the hatch coaming plate.

1.1.4 A breakwater is not to be fitted on the forecastle deck with the purpose of protecting the hatch coaming or hatch covers. If fitted for other purposes, it is to be located such that its upper edge at centreline is not less than HB / tan 20° forward of the aft edge of the forecastle deck, where HB is the height of the breakwater above the forecastle, see Figure 1.


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