clear span


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clear span

The horizontal distance between supporting pillars, columns, or walls, being the maximum possible distance clear of obstacles. Especially when working with industrial properties, it is important to know the existing or required clear spans for clients.
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One of the world's largest timber dome structures, a spectacular 300-foot clear span physical education center seating 15,000 people in post-free space, has just been completed at Montana State College, Bozeman.
The Mahaffey Clear Span tent is made from a durable aluminum frame with a wind and weather resistant vinyl covering, which can be custom made to any width between 10 and 50 meters, and up to any length and height, including a special "megastructure'" scale capable of accommodating up to 5,000 people.
The 20 units, arranged in three terraced blocks,are constructed of clear span steel portal frame covered with insulated profile plas-tic coated steel cladding, incorporating block work walls.
Each factory has a steel portal frame with low pitched roof, giving a clear span and height to eaves of 4.8metres.
The project would result in producing the thirdlargest "clear span" tram in the world, and the longest.
Most of these steel buildings can accommodate up to 250-foot clear span - a space large enough to fit a 747.
* North America's largest manufacturer of pre-engineered clear span, steel framed, fabric-covered buildings.
Invincible Storage Rack Beams are now offered in 2-1/2", 3", 3-1/2", 4", 4-1/2", 5", 5-1/2" and 6" heights in nine standard clear span lengths from 48" to 144" long.
The warehouse facility, which includes ambient, chilled and frozen sections, was constructed with a 41.5 metre clear span portal frame and 8.5 metre eave height.
One of the conspicuous reasons such domes make outstanding sport facilities is their clear span. Because of the inherent strength provided by its shape and construction, the structure does not have to be supported by columns that take up space and block sight lines.