Voluntary Structural Enhancement (fᵥˢᵉ)

Look up the fᵥˢᵉ EEDI correction factor for tankers and bulkers with voluntary CSR-H structural enhancement beyond class-rule minimums.

IMODesignMEPC.1/Circ.816

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This calculator requires JavaScript to compute its result. The formula, symbols, and regulatory sources are shown in the Formula section below.

Formula, assumptions, and limits

f_\text{vse} = \frac{\text{DWT}_\text{baseline}}{\text{DWT}_\text{baseline} - \Delta_\text{steel}}

Symbol	Meaning	Unit
$f_\text{vse}$	Correction multiplier
$\text{DWT}_\text{baseline}$	DWT with CSR-H minimum structural weight	t
$\Delta_\text{steel}$	Voluntary extra structural steel mass	t

Source: IMO MEPC.1/Circ.816; IMO MEPC.328(76)

Indicative fᵥˢᵉ EEDI correction for tanker and bulker structural enhancement per IMO MEPC.1/Circ.816.