Merchant Shipping (Safety Convention) Regulations, 2003 · s 71

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71.
Calculation of factor "si"·
! 1)
The factor si shall be determined for each compartment or group of compartments according to the following -
597
(a}
in general for any condition of flooding from any initial loading condition s shall be -
with-Range s = C (Q.S(GZmaxl (range)
c = 1, c = 0, otherwise;
maximum positive righting lever (in metres) within the range as given below but not more than 0.1 metre;
range of positive righting levers beyond the angle of equilibrium [in degrees) but not more than 20°;
however, the range shall be terminated at the angle where openings not capable of being closed weather-tight are immersed;
ee final equilibrium angle of heel [in degrees);
(b}
s 0 where the final water-line taking into account sinkage, heel and trim, immerses the lower edge of openings through which progressive flooding may take place. Such opening shall include air-pipes, ventilators and openings which are closed by means of weathertight doors or hatch covers, and may exclude those openings closed by means of watertight manhole covers and flush scuttles, small watertight hatch covers which maintain the high integrity of the deck, remotely operated sliding watertight doors, access doors and access hatch covers, of watertight integrity,

BRUNEI DARUSSALAM GOVERNMENT GAZETTE normally closed at sea and sidescuttles of the non-opening type. If the compartments so flooded are taken into account in the calculations, the requirements of this regulation shall be applied;
{c) for each compartment or group of compartments, si shall be weighted according to draught considerations as follows where-s1 is the s-factor at the deepest subdivision load line;
sP is the s-factor at the partial load line.

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s 71Calculation of factor "si"·

! 1)

The factor si shall be determined for each compartment or group of compartments according to the following -

597

(a}

in general for any condition of flooding from any initial loading condition s shall be -

with-Range s = C (Q.S(GZmaxl (range)

c = 1, c = 0, otherwise;

maximum positive righting lever (in metres) within the range as given below but not more than 0.1 metre;

range of positive righting levers beyond the angle of equilibrium [in degrees) but not more than 20°;

however, the range shall be terminated at the angle where openings not capable of being closed weather-tight are immersed;

ee final equilibrium angle of heel [in degrees);

(b}

s 0 where the final water-line taking into account sinkage, heel and trim, immerses the lower edge of openings through which progressive flooding may take place. Such opening shall include air-pipes, ventilators and openings which are closed by means of weathertight doors or hatch covers, and may exclude those openings closed by means of watertight manhole covers and flush scuttles, small watertight hatch covers which maintain the high integrity of the deck, remotely operated sliding watertight doors, access doors and access hatch covers, of watertight integrity,

{c) for each compartment or group of compartments, si shall be weighted according to draught considerations as follows where-s1 is the s-factor at the deepest subdivision load line;

sP is the s-factor at the partial load line.