8.3.1 Windows
and side scuttles fitted in the exposed sides of superstructures and
deck-houses, or in the shell above the load waterline, are to have
frames of a substantial construction, comparable with the surrounding
structure. The glass thickness is to comply with the requirements
of Table 11.8.1 Glass thickness for windows and
side scuttles. Only non-opening
windows or side scuttles are permitted in the shell, and the lower
edge of the glass is to be at least 500 mm above the load waterline
in any condition of list or trim. Windows or side scuttles in the
shell are to be adequately protected against direct contact by efficient
fenders or are to be recessed into the shell.
Table 11.8.1 Glass thickness for windows and
side scuttles
| Size of glass in mm
|
Thickness, in mm
|
| For windows and side scuttles in the following positions
|
| Position A
|
Position B
|
| 300 x 425
|
6
|
6
|
| 355 x 500
|
6
|
6
|
| 400 x 560
|
6
|
6
|
| 450 x 630
|
6
|
6
|
| 500 x 710
|
8
|
6
|
| 560 x 800
|
8
|
6
|
| 900 x 630
|
10
|
6
|
| 1000 x 710
|
10
|
8
|
| 1100 x 800
|
12
|
8
|
| Side scuttles
|
8
|
6
|
Note
1. Position A – The lower edge of the
window is less than 2,5 m above the load waterline.
Position B – The lower edge of the window is 2,5 m or
more above the load waterline.
Note
2. The glass is to be toughened safety
glass and the quality is to comply with ISO Standard 614 or equivalent
standard.
|
8.3.2 Blinds
and deadlights of steel or equivalent material need only be provided
for windows or side scuttles in the shell and places where mechanical
damage can occur. The number of blinds and deadlights to be provided
is 20 per cent of the total number of openings but at least one cover
for every size of opening.
8.3.3 Skylights,
where fitted, are to be of substantial construction and securely attached
to their coamings. The scantlings of the coamings are to be as required
by Pt 3, Ch 11, 7 Small hatchways. The construction of
the glass in skylights is to be as for windows in the same position.