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Computer systems and software can be used to manage and calculate UKC for ships and ports. These include systems that dynamically manage UKC using models, forecasting and calculations. The International Hydrographic Organization (IHO) sets a Standard for UKC Management for software and systems: S-129 Under Keel Clearance Management.
Minimum lane width: The minimum lane width is 12 feet (3.7 m), identical to most US and state highways. Shoulder width: The minimum width of the left paved shoulder is 4 feet (1.2 m), and of the right paved shoulder 10 feet (3.0 m). With three or more lanes in each direction, both shoulders are to be at least 10 feet (3.0 m) wide.
Bridges and tunnels must have a clearance of at least 4,900 mm (16 ft 15 ⁄ 16 in) wide and 6,400 mm (20 ft 11 + 15 ⁄ 16 in) high. The structure gauge S p for passenger platforms allows 4,900 mm (16 ft 15 ⁄ 16 in) only above 1,100 mm (3 ft 7 + 5 ⁄ 16 in) (the common platform height) requiring a width of 3,840 mm (12 ft 7 + 3 ⁄ 16 in ...
Lowest safe altitude. In aviation (particularly in air navigation ), lowest safe altitude ( LSALT) is an altitude that is at least 500 feet above any obstacle or terrain within a defined safety buffer region around a particular route that a pilot might fly. The safety buffer allows for errors in the air by including an additional area that a ...
The clearance for overhead signs is 5.7 metres (18 ft 8 in) and the clearance for the soffit or underside of overpasses is 10 metres (32 ft 10 in). [6] In South Africa and the southern region of Africa, the minimum vertical clearance of modern bridges is 5 metres (16 ft 5 in), although the legal height limit of road vehicles is still at 4.3 ...
A post in ground construction, also called earthfast [1] or hole-set posts, is a type of construction in which vertical, roof-bearing timbers, called posts, are in direct contact with the ground. They may be placed into excavated postholes, [2] driven into the ground, or on sills which are set on the ground without a foundation.
On Wednesday, Costco Wholesale announced plans to increase annual membership fees by $5 to $10 in the U.S. and Canada, effective Sept. 1. It is the first time in seven years the retail giant has ...
Ride height or ground clearance is the amount of space between the base of an automobile tire and the lowest point of the automobile, typically the bottom exterior of the differential housing (even though the lower shock mounting point maybe lower); or, more properly, to the shortest distance between a flat, level surface, and the lowest part ...