5.1.1.2.3 Framing Between Windows
Framing between windows should be kept to a minimum and not be installed immediately forward of any workstation, or the center-line. If stiffeners between windows are to be covered, this should not cause further obstructions of the field of view from any position inside the wheelhouse.
5.1.1.2.4 Front Window Inclination
To help avoid reflections, the bridge front windows should be inclined from the vertical plane top out, at an angle of not less than 10°and not more than 25°.
5.1.1.2.5 Rear and Side Window Inclination
To help avoid reflections, rear and side windows should be inclined from the vertical plane top out, at an angle of not less than 10°and not more than 25°. Exceptions can be made for windows in bridge wing doors.
5.1.1.2.6 Removable Sunscreens
To ensure a clear view and to avoid reflections in bright sunshine, sunscreens with minimum color distortion should be provided at all windows. Such screens should be readily removable and not permanently installed.
5.1.1.2.7 Glass Characteristics
Polarized and tinted windows should not be fitted.
5.1.1.2.8 Clear View
A clear view through at least two of the bridge windows and, depending on the bridge configuration, an additional number of windows with a clear view should be provided at all times, regardless of the weather conditions.
5.1.2 Arrangement
5.1.2.1 Wheelhouse Dimensions
The clear ceiling height in the wheelhouse should be designed with regard to the installation of overhead panels and devices. The clear height between the bridge deck surface covering and the underside of the deck head beams should be at least 2.25 m. The lower edge of deck head mounted equipment should be at least 2.1 m above the deck in open areas, passageways and at standing workstations.
5.1.2.2 View of the area in front of the bridge superstructure
It should be possible to watch the area immediately in front of the bridge superstructure from the wheelhouse .
5.1.2.2.1 Position close to the Forward Center Window
A position should be provided close to the forward center window.
If the view in the center-line is obstructed by large masts, cranes, etc., two additional positions giving a clear view ahead should be provided, one on the port side and one on the starboard side of the center-line, no more than 5 m apart.
5.1.2.2.2 Access to Front Window
A second close approach access besides the position should be possible or the width of the position should be sufficient to accommodate two persons.
