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The $ 2.5 million contract is for a Secant Pile Shoring System consisting of overlapping concrete piles that form a strong and permanent watertight barrier that will support the structure during construction, the company said.
Shoring work has already commenced at the Sir James Peiris Mawatha site, following the completion of piling by San Piling, a sister company of Sanken Lanka. The building’s 283 bored cast in-situ reinforced concrete piles have been socketed into the rock at a depth of 8 to 10 meters.
In selecting the shoring solution, Altair promoter Indocean Developers conformed to best industry practice that its Calcutta-based owning company South City Group is famed for, top Civil Engineer and President (Projects) K.M. Sathian said. Three shoring options – soldier piling, sheet piling and secant wall piling - were considered before opting for secant wall piling, he explained.
Altair selected secant wall piling for an interlocking, completely watertight perimeter with around 475 piles of 880mm diameter bored to a depth of 18 metres. In addition to being significantly stronger than the other options available, the secant wall pile is also a permanent structure unlike the others, and saves up to three months in the excavation and post excavation stages of construction, Sathian said.
The Civil Engineer who managed the construction of the $ 550 million, nine tower, 66-acre Urbana residential township in Kolkata, Sathian will administer the Altair development. Prior to joining the South City Group, he was associated with several internationally-reputed construction and engineering consultancy firms of the calibre of Philipp Holzmann AG Germany, WS Atkins and GHD Global Pty Ltd.
As construction related work keeps to schedule for Altair’s September 2017 completion, prospective and confirmed buyers will have the benefit of a ‘show apartment’ adjacent to the construction site, President Sales & Marketing Pradeep Moraes said. Expected to be ready by January 2014, the show apartment and Altair sales office will replicate the unique Diagrid design of the high-rise and will capture in a precise and exact form, the offerings of this iconic development, he said.
Construction of the structure for the show apartment has been entrusted to Vahana, a Malaysian company which is a subsidiary of Eversendai, the world renowned steel structure specialists who constructed the steel structure of the Burj Khalifa, the world’s tallest building.
The shoring contractor Sincon has been laying the groundwork for numerous multi-million dollar projects throughout Southeast Asia since 1981. The company is global leader in geotechnical, foundation and civil engineering works, including soil improvement works.
A property development of breath-taking architectural, aesthetic and lifestyle dimensions, Altair, designed by the international celebrity architect Moshe Safdie is expected to become an emblematic Colombo landmark on completion. It is a 240-metre twin tower residential skyscraper comprising of 400 luxury apartments with two-three and four bedroom options, lavish penthouses and presidential suites.
Its two tower blocks - a 63-storied tower leaning into a 68-storied vertical tower - will offer spectacular views of the Beira Lake, the Indian Ocean and the city of Colombo from a total of 1.3 million square feet of high-end eco-friendly living space on a two-acre site.
