(1) The minimum summer freeboards shall be computed
in accordance with regulations 27(5), 27(6),
27(14), 28, 29, 30, 31, 32, 37 and 38, except that regulation
37 is modified by substituting the following percentages for
those given in regulation 37:
Table 45.1
|
|
Total effective length of superstructure
|
|
|
0
|
0.1
L
|
0.2
L
|
0.3
L
|
0.4
L
|
0.5
L
|
0.6
L
|
0.7
L
|
0.8
L
|
0.9
L
|
1.0
L
|
|
Percentage of deduction for all types of superstructure
|
20
|
31
|
42
|
53
|
64
|
70
|
76
|
82
|
88
|
94
|
100
|
|
|
Percentages at intermediate lengths of superstructure
shall be obtained by linear interpolation.
|
(2) The Winter Timber Freeboard shall be obtained
by adding to the Summer Timber Freeboard one thirty-sixth of the moulded
summer timber draught.
(3) The Winter North Atlantic Timber Freeboard
shall be the same as the Winter North Atlantic Freeboard prescribed
in regulation 40(6).
(4) The Tropical Timber Freeboard shall be obtained
by deducting from the Summer Timber Freeboard one forty-eighth of
the moulded summer timber draught.
(5) The Fresh Water Timber Freeboard shall be
computed in accordance with regulation 40(7),
based on the summer timber load waterline or with regulation
40(8), based on the summer timber draught measured from the
top of the keel to the summer timber load line.
(6) Timber freeboards may be assigned to ships
with reduced type 'B' freeboards, provided the timber freeboards are
calculated on the basis of the ordinary type 'B' freeboard.
(7) The Timber Winter mark and/or the Timber Winter
North Atlantic mark shall be placed at the same level as the reduced
type 'B' Winter mark when the computed Timber Winter mark and/or the
computed Timber Winter North Atlantic mark fall below the reduced
type 'B' Winter mark.”