Page 311 - statbility for masters and mates

List due to bilging side components 299
from end to end and for the full depth of the vessel. A compartment amidships on the starboard side is 15 m long and contains cargo with permeability `m' of 30 per cent. Calculate the list if this compartment is bilged. KG 3 m.
(a) Find the New Mean Draft
Fig. 34.3
Bodily increase in draft Volume of lost buoyancy Area of intact W.P.
30 15 5 4 100 30
50 10 100 15 5
90 477:5
0:19 m
; New draft 4:00 0:19 4:19 m say draft d2
(b) Find the Shift of the Centre of Buoyancy
m a B4 BB1 LB ma
30 15 5 10
100 30 4 56:25
50 10 100 15 5 477:5 0:12 m
LB3 mlb3 ICL 12 3
50 103 30 15 53 12 100 3
4166:7 187:5
3979 m4
(c) To Find IOZ