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IACS UR S26 - Hatch-Cover Design Pressure

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Design pressure on weather-deck hatch covers for seagoing bulk carriers per IACS UR S21/S26 - position 1 or 2 - and required scantling check.

Formula

$$ p_{h} = (0.0296 L + 3.04) \cdot f_x $$

Symbol legend

SymbolMeaningUnitSource
$L$Rule freeboard lengthmLoad Line Convention
$x/L$Position from FP-GA drawing
$f_x$Position factor-UR S21 Table 2

Sources

  • IACS UR S21 Rev.5.
  • IACS UR S26.