A watertight gate for a lock, basin, etc


Related Terms

HATCH

An opening in a boat's deck fitted with a watertight cover.

COLLISION BULKHEAD

The foremost main transverse watertight bulkhead designed to keep water out of the forward hold in case of bow collision damage.

BULKHEAD DECK

The uppermost deck to which the transverse watertight bulkheads are carried

FOREPEAK BULKHEAD

The foremost main transverse watertight bulkhead designed to keep water out of the forward hold in case of bow collision damage.

WEATHER_DECK

Uppermost continuous deck and having no overhead protection having watertight openings

COMPARTMENTATION

The subdividing of the hull by transverse watertight bulkheads so that the ship may remain afloat under certain flooding conditions

STERN TUBE

The watertight tube enclosing and supporting the propeller shaft on bearings

TONNAGE OPENINGS

Nonwatertight openings in the shelter deck and in the tween deck bulkheads immediately below in order to exclude spaces from tonnage measurement and thus obtain reduced gross and net tonnage. The openings could be closed by nonwatertight wood shifting boards or metal covers meeting the tonnage and load line regulations

CARGO DOOR

Watertight door in the hull side through which cargo is loaded or discharged.

CENTREBOARD CASE

A watertight box that houses the centreboard.

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