Tank Cleaning - Machine Cycle Time

Estimate tank-cleaning machine programme time for a single cargo tank using butterworth/washing-machine coverage rate - typical ISGOTT 6 figure.

TankerCleaningISGOTT

Tank internal aream²Machine flow per unitm³/hCoverage ratem²/(m³·h)Machines in tankunits

Cleaning rate: 204.0m²/h

Programme duration: 8.8h

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{A}{\dot V_{machine} \cdot k_{cov} \cdot n}

Symbol	Meaning	Unit
$A$	Tank internal surface area	m²
$\dot V$	Machine wash flow	m³/h
$k_{cov}$	Coverage factor	m²·h/m³
$n$	Machines per tank

Source: ISGOTT 6th Ed. Ch. 11

In short

Estimate tank-cleaning machine programme time for a single cargo tank using butterworth/washing-machine coverage rate - typical ISGOTT 6 figure.

Learn the theory Marine Tank Cleaning and Crude Oil Washing