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Q2. A ship of length 160 m has the following hydrostatic particulars when floating at an even keel draught in sea water of density 1025 kg/ m³.

Waterplane area = 1951 m².

Displacement = 15058 tonne.

Longitudinal metacentric height (GMl) = 170 m

Centre of flotation from midships (LCF) = 1.5 m aft.

The ship in the above condition grounds on a rock which may be assumed to be at a point 55 m forward of midships and settles such that the end draughts are 6.65 m aft and 5.52 m forward.

Calculate the original draught of the ship.