Apron. Clear area around perimeter of a dock for parking, work area, access,
Transverse pile framing in the substructure of a pier or wharf.
Berthing Basin. Area of harbor set aside for berthing vessels at docks and
The ground or bed under any body of water; the bottom of the sea.
Setting up; preparing.
Refer to Section 2, para. 2.1.2.
Bulkhead Lines. Lines which establish limits outside of which continuous
solid-fill construction is not permitted.
Caisson. (1) A watertight box used to surround the works involved in laying
the foundation of a bridge or other structure below water.
(2) A watertight box used as a closure for graving dock entrances.
Camel. Floats placed between vessel and dock, or between vessels, designed to
distribute wind and current forces acting on the vessel.
(1) A horizontal component of a fender system used to brace the
vertical piles or fenders.
(2) A mooring fitting having curved ends for guiding lines.
Cofferdam. A temporary wall serving to exclude water from any site normally
under water so as to facilitate the laying of foundations or other similar
Controlling Depth. The least depth in the navigable parts of a waterway,
governing the maximum draft of vessels that can enter.
Cover. The thickness of concrete between the outer surface of any
reinforcement and the nearest surface of the concrete.
A flow of water.
Notches in timber to provide flat bearing surface.
Concrete, plate, or other anchorage for a land or water tie.
(1) Short transverse member connecting to longitudinal stringers.
(2) Transverse piling in sheet-pile cofferdam.