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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
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Formula, assumptions, and limits

t=AV˙machinekcovnt = \frac{A}{\dot V_{machine} \cdot k_{cov} \cdot n}
SymbolMeaningUnit
AATank internal surface area
V˙\dot VMachine wash flowm³/h
kcovk_{cov}Coverage factorm²·h/m³
nnMachines 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