Soil Investigation Survey, South Sumatra - West Java Gas Pipeline Phase II (Pagardewa to Labuhan Maringgai Onshore Pipeline), PT. Punj Lloyd Indonesia, 2006
Minipile Underpinning, Gedung Serba Guna Universitas Terbuka Pondok Cabe - Tangerang, Lemtek Universitas Indonesia, 2006
Bentonite Cement Laboratory Works, Waduk Penjalin Brebes - Jawa Tengah, PT. Pakubumi Semesta, 2006
Study of Geotechnical Problems, The Bojonegara Station Area (SSWJ Project), PT. LAPI ITB, 2006
Diaphragm Wall Analysis, Senayan City - Jakarta, PT. Pakubumi Semesta, 2006
Plastic/Liquid Soil Density Survey, South Sumatra - West Java Gas Pipeline Phase II (Pagardewa to Labuhan Maringgai Onshore Pipeline), PT. Punj Lloyd Indonesia, 2006
Thrust Boring 16" Gas Pipeline, SSWJ Phase II Paket 4 (Cilegon), PT. Winatek Widita, 2006
Deep Water Well, Kebayoran Underpass - Jakarta, PT. Pakubumi Semesta, 2006
Horizontal Directional Drilling, 12" Gas Pipeline Paket 15 Tol Purbaleunyi Cipularang Purwakarta, PT. Budi Daya Mandiri, 2007
Thrust Boring 16" Gas Pipeline stage 2, SSWJ Phase II Paket 4 (Cilegon), PT. Winatek Widita, 2007
Loading Test and Foundation Analysis, Power Plant Semen Andalas, Lhoknga - Aceh, PT. Acset Indonusa, 2007
Bentonite Cement Laboratory Works Stage 2, Waduk Penjalin Brebes - Jawa Tengah, PT. Pakubumi Semesta, 2007
Soil Investigation Survey, South Sumatra - West Java Gas Pipeline Phase I, Contract Package 1. (Pagardewa to Labuhan Maringgai Onshore Pipeline), JFE Engineering Corporation, 2007
Horizontal drilling for drain pipes - Geothermal Plant, Pangalengan - West Java, Magma Nusantara Limited, 2008
Thrust Boring - Tanjung Priok Water Treatment Plant, PT. Metito Indonesia, 2008
Thrust Boring for KDL Gas Pipeline, Cilegon, PT. Meisha Internusa Teknik, 2008
Bentonite Cement Laboratory Works Stage 3, Waduk Penjalin Brebes - Jawa Tengah, PT. Pakubumi Semesta, 2008
Slope Stability Analysis - Saigon Centre - District 2 HCM City, Vietnam, PT. Acset Indonusa, 2008
Diaphragm Wall and Foundation design - Tanjung Jati B 2x660MW Coal-Fired Power Plant Expansion Project (Unit 3 & 4), Jawa Tengah, PT. Acset Indonusa, 2009
Soil Investigation - At THC 4/5 Services, Pangalengan - West Java, Magma Nusantara Limited, 2009