3.1.1 The model should copy the actual ship for
both outer configuration and internal arrangement in particular all
damaged spaces having an effect on the process of flooding and shipping
of water. Intact draught, trim, heel and limiting operational KG corresponding
to the worst damage case should be used. Furthermore, the test case(s)
to be considered should represent the worst damage case(s) defined
in accordance with SOLAS regulation II-1/8.2.3.2 (SOLAS 90) with regard to the total area under the positive
GZ curve and the centreline of the damage opening should be located
within the following range: