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Scupper: 8. hole (with grille cover), 9. pipe, 10. outlet. There are two main kinds of scuppers: Ships have scuppers at deck level, to allow for ocean or rainwater drain-off. [1] Buildings with railed rooftops may have scuppers to let rainwater drain instead of pooling within the railing. Scuppers can also be placed in a parapet, for the same ...
The grey area indicates the deck of the boat. A dorade box (also called a dorade vent , collector box , cowl vent , or simply a "ventilator") is a type of vent that permits the passage of air in and out of the cabin or engine room of a boat while keeping rain, spray, and sea wash out.
May be on the keel or on the deck in smaller craft. A deck-stepped mast may be supported by a column below the deck. Mizzen: the aftmost mast and sail in a yawl or ketch, or in a vessel with three or more masts. Oar a wooden pole enlarged on one end to resist the water when pulled. Painter: a short line at the bow of a small boat for tying it off.
Water that does not drain off the side of the deck or through a hole in the hull, which it would typically do via a scupper, instead drains down into the ship into the bilge. This water may be from rough seas, rain, leaks in the hull or stuffing box, or other interior spillage. The collected water must be pumped out to prevent the bilge from ...
There are eight cockpit and deck scuppers. There is a pressurized water system and manual fresh and salt water pumps in the galley. The galley sink has a macerator pump which also serves the ice box drain. Automatic shower pumps are included, with a flexible shower unit and molded shower pan in each head.
It usually consists of a raised section of deck plating around an opening, such as a cargo hatch. Coamings also provide a frame onto which to fit a hatch cover. The protective metal sheeting or plating protecting against water entry into ventilation shafts in large ships is called a coaming as it fulfills the same water-deflection purpose.