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Vertical clearance: The minimum vertical clearance under overhead structures, such as bridges, is 16 feet (4.9 m), including both paved shoulders and an allowance for extra layers of pavement. Through urban areas, at least one routing is to have 16-foot (4.9 m) clearances, but others may have a lesser clearance of 14 feet (4.3 m).
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 ...
The code also defines the clearance that is shorter than the physical clearance to account for sag curves, bridge deflection and expected settlements with a recommendation of minimum clearance of 5 metres (16 ft 5 in). [2] In UK, the "standard minimum clearance" for structures over public highways is 16 feet 6 inches (5.03 m). [3]
Class SE-C is 3.60 by 4.83 m (11 ft 10 in by 15 ft 10 in) with a completely flat roof top. Similar to OPS-GC (Netherlands) loading gauge. The Iron Ore Line north of Kiruna was the first electrified railway line in Sweden and has limited height clearance (SE-B) because of snow shelters.
Depiction of New York World Building fire in New York City in 1882. Building codes in the United States are a collection of regulations and laws adopted by state and local jurisdictions that set “minimum requirements for how structural systems, plumbing, heating, ventilation, and air conditioning (), natural gas systems and other aspects of residential and commercial buildings should be ...
Canopy over a doorway in Fergana, Uzbekistan Canopied entrance to the New York City Subway at the 14th Street–Union Square station. A canopy is a type of overhead roof or else a structure over which a fabric or metal covering is attached, able to provide shade or shelter from weather conditions such as sun, hail, snow and rain.
While the PRASA rolling stock, the Class 7E and 7E2 locomotives which were used during the tests, also do not comply with the structure gauge clearance under the bridge, there was no direct contact of the carbody with the overhead contact wire since the pantographs are insulated from the roof. The Afro 4000, however, has a minimum calculated ...
A minimum overhead clearance must be maintained for safety. Since the temperature and therefore length of the conductor increase with increasing current through it, it is sometimes possible to increase the power handling capacity (uprate) by changing the conductors for a type with a lower coefficient of thermal expansion or a higher allowable ...