Estimate tanker cargo-tank cleaning campaign time, tank-cleaning
machine hours, wash-water circulation, fresh-water makeup,
wastewater and slop volume, heating fuel, labor, disposal cost
and vessel-time exposure. Advanced mode models multiple tank groups
with different cleaning cycles, wash durations and machine requirements.
Currency is display only. No exchange-rate conversion is performed.
Cleaning Schedule
Wash cycles, tank batches, machine availability and post-wash time
Water & Heating
Circulated water, makeup water, temperature rise and fuel demand
Cost Exposure
Water, chemicals, disposal, labor, heating fuel and vessel time
Tank Cleaning Scope
Simple mode assumes similar tanks and identical cleaning cycles.
Planned simultaneous tanks are reduced automatically if the
entered tank-cleaning machine inventory cannot support them.
tanks
m³/tank
cycles
hours
machines
m³/hour
tanks
machines
Set to 0 to disable the machine-availability limit.
hours/batch
hours
Water, Residue & Heating
%
100% represents no modeled reuse. 25% means 75% of the
circulated wash volume is treated as recirculated or reused.
m³/tank
%
°C
%
%
MJ/kg
$
/MT
Cleaning & Time Costs
$
/m³
L/m³ makeup
$
/liter
$
/m³
people
$
/person-hour
$
/hour
Optional economic time value. Avoid double-counting time-related
costs already included elsewhere.
$
Tank Groups
Each group is modeled as a sequential cleaning block. Tanks inside
a group may be cleaned concurrently. Total machine availability
can reduce the entered concurrency automatically.
Tank Group
Tanks
Cap. m³/Tank
Cycles
Machines/Tank
Flow m³/h
Wash h/Cycle
Concurrent
Post h/Batch
Residue m³/Tank
Campaign & Water Assumptions
machines
Set to 0 to disable the machine-availability limit.
hours
%
$
/m³
Wash-Water Heating
%
°C
%
%
MJ/kg
$
/MT
Chemical, Disposal, Labor & Time Cost
L/m³ makeup
$
/liter
$
/m³
people
$
/person-hour
$
/hour
$
Tank Cleaning Results
Similar-tank campaign estimate
Enter cleaning scope
Enter tank count, wash cycles and cleaning-machine assumptions to
estimate cleaning time, water demand and campaign cost.
Total Cleaning Campaign Time
N/A
Setup + sequential cleaning batches under the entered concurrency
Total Economic Exposure
N/A
Direct cleaning cost + entered vessel / berth time value
Tanks Cleaned
N/A
Tank Capacity Cleaned
N/A
Cleaning Batches
N/A
Machine-Hours
N/A
Circulated Wash Water
N/A
Fresh / Makeup Water
N/A
Wastewater / Slop
N/A
Heating Fuel
N/A
Direct Cleaning Cost
N/A
Vessel / Berth Time Cost
N/A
Economic Cost / Tank
N/A
Fresh Water / Tank
N/A
Water Intensity
N/A
Heating Energy
N/A
Cleaning Cost Breakdown
Tank Group Results
Advanced mode
Group
Tanks
Concurrency
Batches
Time
Circulated Water
Fresh Water
Wastewater
Tank Cleaning Summary
Total Economic Cost Sensitivity
Wash duration vs makeup-water share
Wash Time \ Makeup
-25%
Base
+25%
Model approach:
circulated wash water equals cleaning-machine flow × machine-hours.
Fresh or makeup water equals circulated volume × the entered makeup
share. Wastewater/slop equals modeled fresh water plus entered cargo
residue or rinsate. Thermal energy is calculated from makeup-water
mass, temperature rise and specific heat of water, then adjusted for
entered thermal losses and heating-system efficiency. Cleaning
campaign time is based on sequential batches with the entered
simultaneous-tank limit and available cleaning-machine inventory.
Planning estimate only.
Actual tanker tank-cleaning time, water demand, chemical use and
wastewater volume depend on previous and next cargoes, cargo properties,
coating compatibility, tank geometry, cleaning-machine performance,
fixed or portable equipment, recirculation arrangement, stripping
capability, heating system, ventilation, slop capacity, terminal
restrictions, environmental requirements and approved vessel procedures.
This tool does not determine cargo compatibility, cleaning chemistry,
safe wash temperature, gas-free status, enclosed-space entry conditions
or regulatory discharge compliance. Use approved vessel procedures,
applicable safety information and vessel-specific operating limits.
