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Dredger Fuel & CO₂

Trailing-suction hopper dredgers (TSHD) and cutter-suction dredgers (CSD). Outside CII scope; benchmarked per m³ of material dredged.

Ship typeWork boatDredger
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Formula, assumptions, and limits

CO2year=jFjCf,j\text{CO}_2^\text{year} = \sum_j F_j \cdot C_{f,j}
SymbolMeaningUnit
FjF_jMass of fuel jjt
Cf,jC_{f,j}CO₂ factort CO₂ / t fuel
Bench(Volumedredged/year)Bench (Volume dredged / year)operational benchmark
dopd_\text{op}Operating daysd

Source: CEDA - Central Dredging Association fuel benchmarks; IMO MEPC.364(79) - Cf conversion factors

In short

Trailing-suction hopper dredgers (TSHD) and cutter-suction dredgers (CSD).

Learn the theory Specialised Ship Types: Ro-ro, Reefer, Heavy-Lift