Also known as: bol.
BOL has various meanings in the Ordnance Survey category. Discover the full forms, definitions, and usage contexts of BOL in Ordnance Survey.
The equivalent of a vessel's mooring bitts used onshore. A rectangular base welded to the deck of the ship, upon which two vertical bitts are welded. Bollards are used to secure the mooring lines. “The minimum distance between a bollard and fairlead should be 1.8 meters in order to provide adequate space for the application of rope stoppers.
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