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EOT cranes are extensively used in warehouses and industry. [2] An EOT crane is able to carry heavy objects to anywhere needed on the factory floor and can also be used for lifting. However, it cannot be used in every industry. The working temperature is to limited to a range between -20°C to 40°C.
The most basic element of a cost estimate and therefore the cost database is the estimate line item or work item. [3] An example is "Concrete, 4000 psi (30 MPa)," which is the description of the item. In the cost database, an item is a row or record in a table (of items) and the description is a column or field for that record.
Single Girder Overhead Crane. The single girder type overhead crane is the most common overhead crane. It is generally used for light applications, normally up to 10 tonnes. Double Girder Overhead Crane. The double girder overhead crane structure is used for heavier applications up to 125 tons and reaching over 100 feet of span.
Specification No. 70 Multiple Girder Cranes; Specification No. 74 Single Girder Cranes; Specification No. 78 Professional Services - This sets the standards for those who inspect, repair, design, and otherwise manage the supply and use of overhead cranes. Specification No. 79 Crane Operators Manual [3] Overhead Crane Inspection and Maintenance ...
The performance of super-heavy jib cranes is measured in tonne-metres, the product of weight and lifting radius, typically as much as 100,000 tonne-metres for large cranes. [8] Sarens offer a range of such cranes from 90,000 to 250,000 tonne-metres. [4] [5] Lifting a 3,200 ton load to a height of 120 m (390 ft) may take up to 15 minutes.
Fabrication of this type of structure requires certified welders and overhead cranes capable of lifting 10 to 15-ton trusses and columns for projects up to 20 stories. [3] Fabrication involves the following components: Columns, Spandrel Beams, Trusses, Secondary Columns & Beams and the Floor System.