(a) Dedicated clean ballast tanks must be connected to the least practicable:
- (1) Number of pumps; and
- (2) Amount of piping.
- (b) Each piping system that is arranged to convey clean ballast and cargo must be designed to be flushed to the slop tank with water.
- (c) The piping system of each dedicated clean ballast tank must be arranged so that oily water does not enter any dedicated clean ballast tank when the piping system is flushed.
- (d) The piping system of each dedicated clean ballast tank must have at least two valves that isolate that tank from each cargo tank.
- (e) The piping system of the dedicated clean ballast tanks must have a sample point that is located in a vertical section of discharge piping.
Note: An example of a sample point is shown in 46 CFR Figure 162.050-17(e).