A large pour of concrete of quantum 5500 cubic meter was undertaken for the Hotel Tower raft at ITC One Colombo One project located adjacent to the Taj Samudra hotel, Colombo-01, on September 29.
This concrete pour is the second largest concrete pour in the history of Sri Lanka and the same team did the first one (6500 cu.m- the largest concrete pour) in August 2017.
ITC One Colombo One project is a mixed use development project of two tall towers on the Galle Face Road, consisting of 135 units of high end residential apartments in a 224 meter tall tower and a five star hotel of 350 keys in another tower of 140 meters in height.
The project has a unique feature of a sky bridge with a swimming pool at 100 meters height connecting the residential tower with the hotel tower.
The contractor, Larsen and Toubro Limited from India were appointed by the owner Welcom Hotels Lanka Private Limited in January 2017.
The Hotel Tower which is 30 floors tall is being constructed by the subcontractor M/s Nawaloka Construction Company (Pvt) Ltd (NCC), one of the reputed Sri Lankan engineering construction companies.
This concrete pour is undertaken with a special mix design of C50 grade concrete, the ingredients' proportion designed especially for this purpose to cater to the temperature and durability requirements of the foundation and mass concrete.
The concrete pour has 660 MT of reinforcement work with a height of 2.75m. Concrete core temperature of 70 degree Celsius was maintained throughout.
The concrete was meticulously planned in segments for operational ease and planned on a weekend to avoid traffic inconvenience to the neighbours and the general public.
Utmost care was taken as regards safety of the concrete pouring operations including risk assessment and communication, pre-task briefings, strict traffic management and workmen's welfare.
Safety requirements such as emergency arrangements including the ambulance and male nurse and work permit system were also meticulously followed. Adequate lighting arrangements, rain precautions and provision of safety equipment were ensured and this was witnessed by the District Factory Inspector from the Labour Department who inspected the site on September 29.
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