3.1 The maximum permissible discharge rate is
1/200,000 (or one 200,000th part) of swept volume as follows:
Where:
- DRmax is maximum permissible discharge rate (m3/h)
- V is ship's average speed (knots) over the period
- D is Draft (m)
- B is Breadth (m)
3.2 The maximum permissible discharge rate specified
in 3.1 refers to the average rate as calculated over any 24 hour period,
or the period of discharge if that is less, and may be exceeded by
no more that 20% when measured on an hourly basis.