Section 11 Scuppers and sanitary discharges
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules and Regulations for the Classification of Inland Waterways Ships, July 2022 - Part 3 Ship Structures (General) - Chapter 11 Closing Arrangements to Openings in Shell and Deck, Ventilators, Air Pipes, Sounding Pipes and Discharges - Section 11 Scuppers and sanitary discharges

Section 11 Scuppers and sanitary discharges

Parent topic: Chapter 11 Closing Arrangements to Openings in Shell and Deck, Ventilators, Air Pipes, Sounding Pipes and Discharges

11.1 General

11.1.1 All exposed decks and enclosed spaces are to be provided with efficient means of drainage.

11.1.2 Sanitary discharges may be led to suitable sanitary tanks or led overboard, provided the spaces to be drained are above the load waterline in any condition of list or trim.

11.1.3 Overboard discharges are to comply with the requirements of Pt 5, Ch 11, 2.5 Ship-side valves and fittings (other than those on scuppers and sanitary discharges) and Pt 5, Ch 11, 3 Drainage of compartments, other than machinery spaces.

11.1.4 Scuppers and discharges should not normally pass through fuel oil tanks. Where unavoidable, the arrangements are to be submitted for approval.

11.2 Scantlings

11.2.1 Scuppers and discharge pipes which pass through the shell below the load waterline are to have a thickness, t, not less than t = 0,042δp + 6,5 mm,

where

δp is the internal diameter of the pipe in mm, but need not exceed 12,5 mm.

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