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Collision Bulkhead Position (SOLAS II-1 Reg 11)

Collision bulkhead must sit between 0.05·Ls and 0.08·Ls from the forward perpendicular (up to 3 m).

StructuralSOLAS
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Formula, assumptions, and limits

0.05Lsx0.08Ls0.05 L_s \leq x \leq 0.08 L_s
SymbolMeaningUnit
LsL_sSubdivision lengthm
xxBulkhead distance from FPm

Source: SOLAS II-1 Reg 11

In short

Collision bulkhead must sit between 0.

Learn the theory Hull Strength and Longitudinal Bending