4.2 Pumping and piping arrangements
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Statutory Documents - IMO Publications and Documents - Specifications and Manuals - Dedicated Clean Ballast Tanks - Annex 1 - Revised Specifications for Oil Tankers with Dedicated Clean Ballast Tanks - 4 On Board Arrangements - 4.2 Pumping and piping arrangements

4.2 Pumping and piping arrangements

  4.2.1 The piping system for conveying the CBT ballast shall be such that it can be flushed to a slop tank with water, and shall be so arranged that oily water does not enter any dedicated clean ballast tank when the piping system is flushed.

  4.2.2 The piping system(s) of each dedicated clean ballast tank must, not later than 1 July 1983, have at least two valves that isolate that tank from the piping system(s) serving the cargo tank.

  4.2.3 The dedicated clean ballast tanks must be connected to the least practicable number of cargo pumps.

  4.2.4 The discharge of CBT ballast to the sea is to be monitored by an oil content meter approved by the Administration and sufficient sample points are to be provided in the discharge piping of pumps serving dedicated clean ballast tanks to enable supervision of the oil content in the ballast water being discharged.

Parent topic: 4 On Board Arrangements
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