Cement Carrier CII

Self-discharging cement carriers with pneumatic unloading systems. MEPC.353(78) general_cargo reference applies. Pneumatic discharge adds substantial aux load during port stays - allow for it in the fuel total.

Ship typeCement

Ship & voyage

DeadweightDWTCement carriers typically 3,000–20,000 DWT.Distance / yearnmYear

Fuel

FuelMasst

Attained CII: 17.811g CO₂ / (dwt·nm)

Required CII: 13.921g CO₂ / (dwt·nm)

Rating: E

Inferior - SEEMP Part III corrective action plan required.

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

\text{CII}_\text{required} = 31948 \cdot \text{DWT}^{-0.792} \cdot (1 - Z) \quad (\text{DWT} \ge 20{,}000;\ \text{below: } 588 \cdot \text{DWT}^{-0.3885})

Symbol	Meaning	Unit
$DWT$	Deadweight	t
$Z$	Annual reduction	fraction

Source: IMO MEPC.353(78) Table 1 (reference line), MEPC.338(76) as amended by MEPC.400(83) (Z), MEPC.354(78) (rating boundaries)

In short

CII for self-discharging cement carriers using the MEPC.353(78) general-cargo reference.

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