- PROJECTS / MIXED USE /
- PLAZA INDONESIA EXTENSION
This development, located between the existing Grand Hyatt Hotel, EX-Center and the Japanese Embassy, is a huge 220,000 sqm building. Consist of a 48-story Keraton at the Plaza Residence (a high-end apartment building), a 42-story office building, a podium block for shopping center, and 5-level basement for parking with 17-meter excavation depth, constructed with top-down method. The project was constructed with design-built method, where SsangYong Engineering Construction was the main contractor who appointed DSP for the structural and foundation design.
The project applied several state-of-practices in its design. It is the first building in Indonesia which has been designed for 2475-year earthquake following IBC-2003 requirements as per client's brief, instead of the 475-year criteria as stipulated in the Indonesian code. Studies on PHSA and SSRA have been conducted for this purpose, and the structure has been designed using higher PGA than what the code demands. The foundation system uses bored-pile up to 70 m deep with a record allowable load of 1,500 tons, tested by the Osterberg Cell method, where no counterweight was needed. The force was applied through jacks installed in the bored-pile.
The basement construction has been designed for top-down construction, where upon completion of the mat foundation, the super-structure has reached level 10, saving 11 months of construction time. This milestone has been achieved in October 2007. Total construction time is 33 months, while the retail building was completed in 30 months. The design and built system in this case proved to save time and significant cost for the project.
The project is completed in mid 2009, meeting the schedule and the budget. At that time The Keraton Residence is one of the tallest building in Jakarta, soaring 225 m high.
Owner : Plaza Indonesia Realty
Architect : Linea Partnership LLP Hong Kong, HOK International (Asia Pacific) Ltd and Arkonin, Jakarta
General Contractor : SsangYong Engineering Construction