Bilge Transfer - Pump-Down Time

Time to pump down an engine-room bilge-holding tank to the next transfer-destination, given bilge-pump capacity and tank level.

BilgeMARPOL IER

Tank volumem³Current fill%Bilge pump ratem³/hDestination free space%

Volume to transfer: 15.00m³

Transfer time: 1.50h

Changing the inputs requires JavaScript. The calculator above shows its default inputs and result. The formula, symbols, and regulatory sources are shown in the Formula section below.

Formula, assumptions, and limits

t = \frac{\min(V_{src}, V_{dst\_free})}{\dot V}

Symbol	Meaning	Unit
$V_{src}$	Source tank liquid	m³
$V_{dst\_free}$	Destination free space	m³
$\dot V$	Pump flow rate	m³/h

Source: MARPOL Annex I Reg. 17

In short

Time to pump down an engine-room bilge-holding tank to the next transfer-destination, given bilge-pump capacity and tank level.

Learn the theory Marine Auxiliary Engines and Generators