Cititower Development, KLCC

JTK Consult (JTK) was engaged by Sunway Construction Sdn Bhd as an Independent Materials Consultant to undertake a review of the concrete specifications and the requirements for mass concreting in the construction of the raft foundations for the Cititower development at Persiaran KLCC, Kuala Lumpur. The development at Lot 167 &185, located adjacent to the Petronas Twin Tower comprises a podium office and a hotel tower.

There are 2 nos. of raft foundations in this project, the podium office raft (Lot 167) and the Hotel tower raft (Lot 185) with concrete volumes of approximately 15,000m3 & 6,800m3 respectively. The raft foundation is 4m thick and consists of a waterproofed concrete layer. JTK set up and supervised the trial mixes, hot block testing and pumping trials prior to the actual raft pour. Three ready mix concrete suppliers were technically vetted and finally 1no. concrete supplier was selected based on competence and price.

The JTK team provided technical advisory support on the raft concrete construction with the submission of several reports including a trial mix and concrete selection report, a pour operation plan and the onsite raft construction monitoring reporting following supervision of the raft casting over two separate time periods. The JTK inputs were instrumental in a successful completion of the mass raft foundations.

Kuala Lumpur City Centre
Sunway Construction Sdn Bhd
Services We Provided

Concrete and Construction Materials Technology:
interpretation of concrete properties for raft foundation

Ref: 1366/17/r7530

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