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Crane The tower crane (see picture) is a modern form of balance crane that is fixed to the ground. A horizontal boom is balanced asymmetrically across the top of the tower. The long arm carries the lifting gear. The short arm is called the machinery arm; this holds the motors and electronics to operate the crane, as well as the concrete ...
Each crane has a span of 140 metres (459 ft) and can lift loads of up to 840 tonnes to a height of 70 metres (230 ft). Their combined lifting capacity of almost 1,700 tonnes is one of the largest in the world. Prior to commissioning, the cranes were tested up to 1,000 tonnes, which bent the gantry downwards by over 30 centimetres (12 in).
The operator's cabin hosts a display showing the tower crane's position, movement and operating area. Where the tower crane’s operating area overlaps with other cranes or prohibited zones these are also displayed. The system alerts the operator when the crane is approaching a prohibited area or another crane. [9]
In some cases, smaller self-erecting tower cranes may have axles permanently fitted to the tower section to make maneuvering the crane onsite easier. Tower cranes can also use a hydraulic-powered jack frame to raise themselves to add new tower sections without any additional other cranes assisting beyond the initial assembly stage.
Engineering the Impossible was a 2-hour special, created and written by Alan Lindgren and produced by Powderhouse Productions for the Discovery Channel. It focused on three incredible, yet physically possible, engineering projects: the nine-mile-long (14 km) Gibraltar Bridge, the 170-story Millennium Tower and the over 4,000-foot-long (1,200 m) Freedom Ship.
A construction crane sitting 45 stories atop a building in the Hell’s Kitchen neighbourhood of New York City caught fire and partially collapsed on Wednesday morning.
The operator should know the maximum weight of the load that the crane is to lift. All operators should be trained and certified to ensure that they operate forklifts safely. There are multiple digital tools that can be implemented to monitor over all site safety- including online inductions to construction sites, a digital site log, online ...
CIM Group is seeking approval from the city of West Hollywood to build a 514-unit apartment complex that would fill much of the former plant site and another parcel on La Brea Avenue. Called 1000 ...