What is the smallest possible excavation that a monorail can operate in?
Although the monorail train can be installed in smaller excavations if necessary, a 3 meter (9.8 ft) high by 3 meter (9.8 ft) wide opening is standard. This provides enough space for a single rail train, clearance to drop and pass over loads, clearance from excavation ribs as well as 1 meter of travel or walk way for personnel. For dual rail installation an excavation size of 3 meters (9.8 ft.) high by 3.8 meters (12.5 ft) high is often used…
