1988 – 1997 Jabotabek Railway Survey

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1988 Soekarno Hatta Airport Construction Survey

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1986 Bintaro Jaya Survey

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Soil Investigation for Jakarta Light Rail Transit (LRT) Cawang-Bogor-Bekasi 2015-2016

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Adhi Karya LRT Division

Soil Investigation for Rajabasa Geothermal Power Plant 2013-2014

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Supreme Energy