A—l 6

formula (I) in paragraph. (b) of this regulation ; of those having a criterion numeral of 123 or more by the factor BB given by the formula in subparagraph (ii) (b) of this paragraph ; and of those having a criterion numeral between 23 and 123 by the factor F obtained by linear interpolation between the factors A and 88, using the formula: — (A - BB) (C s - 23) F = A 100 except that if the factor F so obtained is less than -50 the factor to be used shall be either -50 or the factor calculated according to the provisions of paragraph (d) (i) of this regulation, whichever is the smaller. (cl) The subdivision abaft the forepeaJc of ships less than 430 feet (or 131 metres) but not less than 180 feet (or 55 metres) in length having a criterion numeral equal to Si where—--1,950 - 4L Sj '== (L in feet) 10 3,712 - 25L = (L in metres) 19 shall be governed by the factor unity ; of those having a criterion numeral of 123 or more by the factor BB given by the formula in subparagraph (ii) (b) of this paragraph ; of those having a criterion numeral bete wen S x and 123 by the factor F obtained by linear interpolation between unity and the factor 88, using the formula : (1 - BB) (C s - S x ) F = 1 123 - Si except that in either of the two latter cases if the factor so obtained is less than -50 the subdivision may be governed by a factor not exceeding -50. (e) The subdivision abaft the fore-peak of ships less than 430 feet (or 131 metres) but not less than 180 feet (or 55 metres) in length and having a criterion numeral less than S l} and of all ships less than 180 feet (or 55 metres) in length shall be governed by the factor unity, unless it is shown to the satisfaction of the Administration to be impracticable to comply with this factor in particular compartments, in which event the Administration may allow such relaxations in respect of those compartments as appear to be justified, having regard to all the circumstances, provided that the aftermost compartment and as many as possible of the forward compartments (between the forepeak and the after end of the machinery space) shall be kept within the floodable length.

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