Mumbai
The world’s biggest girder, bigger than even the one used in the construction of hotel Burj Al Arab in Dubai, is now being used in Mumbai at the site of the city’s tallest upcoming project in Worli. The under-construction 320-m Palais Royale, slated to be one of the tallest residential buildings in India, has concrete reinforced girders 9m in depth (it is height but called depth in technical parlance) as compared to the second deepest in the world, employed in the construction of Trump Towers in Chicago at 8.5m.
The reinforced transfer girders—which act as a loadbearing system between two parts of a tall building, usually the parking floors and the residential areas—are made of concrete. They are located between the 70m and 80m level. These imported girders are specifically designed as support for columns between the lower floors (used for car parking and as amenity spaces) and the upper floors, the residential spaces. “Joining these two areas, the transfer girder has been designed with a width of 1.5m and a depth of 9m, which makes it one of a kind,’’ said a company official.
“While this sort of construction—putting girders between parking floors and residential floors is common practice—the depth is limited to 3.5m. I have never heard of a 9m girder,’’ said consultant Satish Dhupelia.The Worli building is set to enter the Guinness Book of World Records for this unique feature, said sources.
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