Coamings

(1) Exterior opening through which down flooding into the main hull can occur shall be fitted with coamings of equivalent strength to the structure in which they are located. Merchant Ships (Registration) 139 (2) The coamings shall be constructed as high as practicable and their height, generally, should be not less that the following_________________________________________________ Restricted Restricted Restricted area area area I service II service III service (in mm) (in mm) (in mm) ________________________________________________ Door sill and companion ways on the main deck 380 230 230 Hatches 450 380 300 Ventilator 760 500 300 (3) No side scuttle shall be fitted in a position so that its lower edge is below a line drawn parallel to the freeboard deck at side and having its lowest point at a distance from the waterline passing through the center of the ring of the freeboard mark equal to 500 mm for ships operating in restricted area I, 300mm in restricted area II and 150mm in restricted area III. (4) The minimum area of freeing ports in bulwarks on the upper decks shall be at least 10% of the area of each continuous portion of the bulwark.