Section 9 Drainage arrangements for ships not fitted with propelling machinery
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules and Regulations for the Classification of Inland Waterways Ships, July 2022 - Part 5 Main and Auxiliary Machinery - Chapter 11 Ship Piping Systems - Section 9 Drainage arrangements for ships not fitted with propelling machinery

Section 9 Drainage arrangements for ships not fitted with propelling machinery

9.1 Hand pumps

9.1.1 Where auxiliary power is not provided, hand pumps are to be fitted, in number and position, as may be required for the efficient drainage of the ship.

9.1.2 The pumps are to be capable of being worked from the upper deck or from positions above the load waterline which are at all times readily accessible. The suction lift is to be well within the capacity of the pump.

9.1.3 The pump capacity is to be based upon the diameter of the suction pipe as determined by the formula in Pt 5, Ch 11, 5.2 Branch bilge suctions to cargo and machinery spaces 5.2.1, or 40 mm, whichever is greater.


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