| Soil Investigation proyek A2 Hotel Batam | Batam | PT. Raflesia Global | 2020 |
| Soil Investigation Proyek Ferry Terminal Marina Bengkong | Batam | PT. Aesler Group International | 2020 |
| Topography Survey Proyek Ferry Terminal Marina Bengkong | Batam | PT. Aesler Group International | 2020 |
| Soil Investigation proyek Nagoya Tamrin City (NTC) | Batam | PT. Sarana Bakti Persada | 2020 |
| Soil Investigation proyek waterfront marina | Batam | Calypso Construction Management PTE. LTD | 2020 |
| Soil Investigation Chemical Plant Pindo Deli 2 Krawang | Jawa Barat | PT. Pindo Deli | 2019 |
| Soil Investigation Laman Mining, Ketapang | West Kalimantan | PT. Laman Mining | 2019 |
| Soil Investigation Fly Over Cakung | Jakarta | PT. PP | 2019 |
| Soil Investigation Tol Serpong-Balaraja | Serpong | PT. Wijaya Karya (Persero) | 2019 |
| Soil Invesigation Jembatan Penggaron Ruas TOL Ungaran | Semarang-Bawen | PT. Trans Marga Jateng | 2019 |
| Soil Investigation Pengembangan Pulau Kongsi | Kepulauan Seribu | PT. Panorama Pulau Seribu | 2019 |
| Soil Investigation Harbour Road II Kemayoran | Jakarta | PT. Wijaya Karya (Persero) | 2018 |
| Soil Investigation TOL Japek II (Elevated) | Bekasi-Cikampek | Waskita-Acset KSO | 2018 |
| Soil Investigation Seaport PT OKI, Ogan Komering Ilir | Sumsel | PT. OKI Pulp and Paper | 2018 |
| QC Nuclear Density Test Pengurugan Lahan Kawasan Industri Terpadu | Semarang | PT. Gemilang Bentara Nusa | 2018 |
| Soil Investigation PT. Nutrindo Jogashima | Cikarang | PT Nutrindo Jogashima | 2018 |
| Penyelidikan Tanah Hotel Mercure Tanjung Tinggi | Belitung | PT. Biliton Asri Pratama | 2017 |
| Soil Investigation Pelabuhan Executive Port Merak | Banten | PT. PP | 2017 |
| Soil Investigation Pelabuhan Executive Port Bakauheni | Lampung | PT. PP | 2017 |
| Soil Investigation Citra Plaza Nagoya City Center 2 Tower @ 35 floors | Batam | PT.Citra Seraya Supremnusa | 2017 |
| Pumping Test for Manyar Kartika Apartement | Surabaya | PT.Asa Bangun Investama | 2017 |
| Engineering Improvement Slope Stability Soroako Nickel Production Facility, Luwu Timur | Sulawesi Selatan | PT. Lycon Asia Mandiri | 2017 |
| Soil Investigation LRT Jakarta Project Corridor 1 (Phase 1) Klp Gading-Velodrome | Jakarta | PT. Wijaya Karya (Persero) | 2016 |
| Soil Investigation High Speed Railway Jakarta - Bandung Project | Bekasi-Bandung Barat | PT. Wijaya Karya (Persero) | 2016 |
| Soil Investigation Power Plant Minihydro Cidurian Project | Bogor | PT. Hydro Alam Lestari | 2016 |
| Soil Investigation Power Plant Minihydro Ciberang Project | Bogor | PT. Hydro Alam Lestari | 2016 |
| Soil Test Apartement The Smith Soho (30 floor+ 3 Besment), Alam Sutera | Tangerang | PT. Triniti Dinamik | 2016 |
| Soil Investigation High Speed Railway Jakarta - Bandung Project | Kemayoran-Bekasi | PT. KCIC | 2016 |
| Soil Investigation for GOA The Edge 2 Project, Pecatu | Bali | PT. Bali Selaras Indah Sejati | 2016 |
| Soil Investigation Apartemen and Hotel Meisterstand Batam Phase 1 Project (4 Tower 40 Floors) | Batam Center | PT. Pollux Barelang Mega Super Blok | 2016 |
| Soil Investigation Australian International School Building, Denpasar | Bali | PT. Kreistef Mega Sejahtera | 2016 |
| Soil Investigation and Topographic Survey for Superblock Meisterstadt Batam Pollux Habibie | Batam Island | PT. Pollux Barelang Mega Super Blok | 2016 |
| Soil Investigation for Pulau G Brigde Pluit City (Onshore &Offshore), Pluit | Jakarta | PT. Wijaya Karya (Persero) | 2016 |
| Soil Investigation and Topographic Survey forTunnel Pre Design Stage of Paro - Kulu Relocation Road Project | Aceh | Ministry of Public Work | 2015 |
| Geotechnical Investigation, Design and Built of Soil Improvement for Foundation Repair at Hotel Ibis Manado | North Sulawesi | PT Batavia Prasarana Mitranda | 2015 |
| Soil Investigation for Development of Sewerage System Batam Area WWTP, Pipeline and Pumping Street | Batam | Sunjin Engineering & Architecture Co. Ltd | 2015 |
| Soil Investigation and Topography Survey for Hotel and Resort Development | Lagoi - Bintan | PT. Bintan Pelangi Resort | 2015 |
| Soil Investigation and Topograhic Survey Proyek Apartemen Podomoro Golf View Cimanggis | Depok | PT. Graha Tunas Selaras | 2015 |
| Soil Investigation During Design Scheme Phase for "6 Ruas Tol Layang DKI Jakarta " Project, Semanan to Sunter Section | Jakarta | PT Arkonin | 2015 |
| Soil Investigation for Development of Sewerage System Batam Area WWTP, Pipeline and Pumping Street | Batam | Sunjin Engineering & Architecture Co. Ltd | 2015 |
| Soil Investigation During Design Scheme Phase for "6 Ruas Tol Layang DKI Jakarta " Project, Semanan to Sunter Section | Jakarta | PT Arkonin | 2015 |
| Soil Investigation for Development of Sewerage System Batam Area WWTP, Pipeline and Pumping Street | Batam | Sunjin Engineering & Architecture Co. Ltd | 2015 |
| Soil Improvement Design dengan Jet Grouting untuk Tunnel Sodetan Sungai Ciliwung - BKL | Jakarta Timur | PT Wijaya Karya | 2015 |
| Geotechnical Investigation, Design and Built Permeation Grouting untuk Perbaikan Settlement Pondasi Greenbay Baywalk Sodetan Sungai Ciliwung – BKLGreenbay Apartment | Jakarta Utara | PT Wisesa | 2015 |
| Soil Investigation of The Proposed Kayaba HC, Factories and Bridges of PT Sanyo Jaya and Other Industrial Area | Karawang - West Java | PT Nippon Konpo Indonesia | 2014 |
| Geotechnical Investigation, Design and Built for Repairing Existing Slab / Foundation of Tank, Pipe Rack and Other Structures (Soil Investigation, Foundation Design and Construction by Various Suitable Improvement Method, i.e. Grouting in Soil, Underpinning, Injected Pile and Other Systems) at PT IKPP Plant Area in Perawang | Riau | PT IKPP | 2014 |
| Soil Investigation and Topograhic Surveyfor Veasna Beachfront Condotel | Jimbaran - Bali | PT Menara Batakan Jimbaran | 2014 |
| Soil Investigation for Sango Suryacipta | Bandar Lampung | PT PP Taisei Indonesia Construction | 2014 |
| Sub Bottom Profiling Survei di Pulau Sambu | Batam | PT. Wijaya Karya (Persero) | 2014 |
| Bathymetri Survey dan Hidro Oceanografi Survei Proyek Jembatan 1 Tanjung Pinang | Kepulauan Riau | PT. Wijaya Karya (Persero) | 2014 |
| Topography Survei for Bintang Lagoi Resort | Bintan | PT StarLuxe Development Indonesia | 2014 |
| Geotechnical Investigation, Design and Built Injection Pile for Foundation Repair at Hotel Artotel, Thamrin | Jakarta | PT Altar Filadelfia | 2013 |
| Geotechnical Investigation for Proposed Pulau FReclamation Area | North Jakarta | PT Agung Dinamika Perkasa | 2013 |
| Soil Investigation for Serangan Island | Bali | PT Bali Turtle Island Developmet | 2013 |
| Soil Investigation for Land Reclamation Area in Ambon and Tanjung Bunga | Makassar | Lippo Group | 2013 |
| Quality Control During Site Filling for Lion Air Maintenance Facilities in Bandara Hang Nadim, Tanjung Uncang | Batam | PT Lion Mentari Airlines | 2013 |
| Engineering, Procurement and Construction (EPC) Work and Soil Investigation for Foundation and Retaining Wall (Dewatering, Bored Pile, Soil Nailing And Shotcreting) for The Himana Condotel Project | Jimbaran - Bali | PT Nusa Raya Development | 2013 |
| Soil Investigation for Gresik Landfill Project (Onshore / Nearshore) | Gresik - East Java | PT Van Oord | 2013 |
| Topographic Survey for Development of Phase 3 | Karawang - Jabar | PT Indotaisei Indah Development | 2013 |
| Quality Control During Site Filling for Plant Area | Tanjung Uncang- Batam | PT Caterpillar Indonesia | 2012 |
| Geotechnical Investigation for Green Bay Reclamation Area | North Jakarta | PT Kencana Unggul Sukses | 2012 |
| Topography Survey and Earthworks Quality Control During Penyiapan Infrastruktur Jalan Masuk Lokasi LMB 8, Cluster Pengeboran LMB - 8 Proyek Geothermal Lumut Balai | Sumatera Selatan | PT Pertamina Geothermal Energy | 2012 |
| Soil Investigation for SohoPodomoro City Tower Office (43 Storeys Building) | West Jakarta | PT Agung Podomoro Land, Tbk | 2012 |
| Soil Investigation and Topography Survey at Bandara Hang Nadim | Batam | PT Lion Mentari Airlines | 2012 |
| Geotechnical Investigation, Design and Built for Repairing Existing Slab / Foundation of Tank, Pipe Rack and Other Structures (Soil Investigation, Foundation Design and Construction by Various Suitable Improvement Method, i.e. Grouting in Soil, Underpinning, Injected Pile and Other Systems) | Jambi | PT LRPP | 2012 |
| Design and Built Curtain Wall Grouting using PIP method for Bajulmati Dam Construction, Banyuwangi | East Java | PT. Brantas Abipraya | 2011 |
| Soil Investigation at Teluk Paku Tg. Balai Karimun | Kepulauan Riau | Keller Foundation (S E Asia) Pte Ltd | 2011 |
| Geotechnical Investigation, Design and Built Soil Improvement untuk Penanganan Sementara Longsoran Lereng Gedung Atlit Putri, Wisma Atlet Hambalang | Bogor | PT. Adhi – Wika JO | 2011 |
| Engineering, Procurement and Construction forSoil Improvement and Dewatering Work During Excavation and Construction of Water Treatment Plant (WTP) | East Java | PT Java PacificFactory | 2011 |
| Soil Investigation for Upgrading Unit Pelumas Pertamina (UPPJ) | Jakarta | PT Krakatau Engineering | 2011 |
| Soil Investigation Work at McConnel Dowell | Batam | PT. McConnell Dowell Services | 2011 |
| Geotechnical Investigation, Design and Built Soil Improvement untuk Penanganan Kebocoran H2S di Wellpad Geothermal Ulubelu | Lampung | PT. Pertamina Geothermal Energy | 2011 |
| Topografi Survey Work For French Embassy | Jakarta Pusat | French Embassy | 2011 |
| Pekerjaan Pengukuran (Topografi) di Jl. Raya Serang - Pandeglang | Banten | PT Bank Indonesia (BI) | 2011 |
| Soil Investigation for Barelang I Bridge | Barelang - Riau | PT. Wijaya Karya (Persero) | 2011 |
| Quality Control During Earthworks Pekerjaan Pembuatan Jalan Masuk LMB2 dan Lokasi LMB 2 Pertamina Geothermal Energy | Sumatera Selatan | PT Tunas Jaya Pratama | 2010 |
| Geotechnical Design, Soil Investigation, Instrumentattion and Topographic Survey Pekerjaan Pembuatan Jalan Masuk LMB2 dan Lokasi LMB 2 | Sumatera Selatan | PT Pertamina Geothermal Energy, | 2010 |
| Soil Investigation Proyek Irigasi Ciliman Pendeglang Package LMSS:ICB, Civil Work of Head Work in Main Canal Irigation System Ciliman Irigation Sub Project | Ciliman - West Java | PT Adhi Karya (Persero) Tbk | 2010 |
| Soil Investigation for Casablanca Flyover | Kuningan - Jakarta | PT Adhi Karya (Persero) Tbk | 2010 |
| Soil Investigation for Pangeran Antasari Flyover | South Jakarta | PT Hutama - PT Nindya JO | 2010 |
| Penyelidikan Tanah di Kawasan Nongsa-Batam, Topografi dan Bathymetry | Nongsa - Batam | PT Bank Indonesia (BI) | 2010 |
| Design and Build for Dewatering Work at PLTG Tanjung Priok Project | North Jakarta | PT Wijaya Karya (Persero) Tbk | 2009 |
| Design and Build for Dewatering Work at Paiton3 Expansion Project Unit 3 & 4 Coal Fired Power Plant | Jakarta | TOA Corporation | 2009 |
| Soil Test dan Instumentasi Proyek Perbaikan Longsoran di Lokasi LMB - 3 Proyek Geothermal Lumut Balai | Sumatera Selatan | PT Pertamina Geothermal Energy | 2009 |
| Feasibility Study, Geological Survey and Topographic Survey for Coal Mine Exploration in Sinjai | South Sulawesi | PT. Daya Sentosa Sejahatera | 2008 |
| Soil Investigation of 23 KM Transmission Line Dente - CPB (Brantasena) | Lampung | PT Central Daya Energi | 2008 |
| Soil Investigation for Korindo Bridge and Jetty at Kumai and Semanggang Village | Central Kalimantan | PT Korintiga Hutani | 2008 |
| Soil Investigation, Topography, Bathymetric and Hydrological Survey for 2 x 10 MW CFSPP Larantuka and Labuhan | East Nusa Tenggara | PT Manunggal Engineering (ME) | 2008 |
| Basic and Detailed Engineering Design for The Proposed Coal Terminal at Pulau Baai, for Bengkulu Coal Transportation Development Project | Bengkulu | PT Pathaway International | 2008 |
| Soil Investigation at Pulau Baai Port For Bengkulu Coal Transportation Development Project | Bengkulu | PT Pathaway International | 2008 |
| Topography at Karimun Area I/II, Oil Tanking | Singapura | Asia Pacific Pte Ltd | 2008 |
| Bathymerty and Topography Surveys, and Secondary Data Collection and Analysis Pulau Baai Port | Bengkulu | PT Pathaway International | 2008 |
| Topography & Bathymetry Pekerjaan Pembuatan Jalan Masuk LMB 3 dan Lokasi LMB Sumsel, Pertamina Geothermal Energy | Sumatera Selatan | PT Pertamina Geothermal Energy & PT Tunas Jaya Pratama | 2008 |
| Soil Investigation, Topography, Bathymetric and Hydrological Survey for 2x10 MW CFSPP Labuhan Bajo - West Flores and CFSPP Larantuka - East Flores | East Flores | PT Manunggal Engineering | 2008 |
| Soil Investigation & Analysis Service in Matak Base Area | Matak Riau | Conoco Philips Indonesia Inc. Ltd | 2007 |
| Soil Investigation for Coal Fired Plant Project | Tanjung Sengkuang - Batam | PT Graha Citra Kita | 2007 |
| Soil Investigation, Pumping Test, Seismic Down Hole Test and Site Spesific Response Analysisi for Central Park Project Mixed Used Development | Jakarta | PT Tiara Metropolitan Jaya | 2007 |
| Onshore and Offshore Soil Survey for Coal Fired Power Plant Project | East Kalimantan | PT Tria Talang Mas | 2007 |
| Environmental Impact Analysis for PLTU Labuhan Angin, Sibolga | North Sumatera | PT Wijaya Karya | 2007 |
| Engineering, Procurement and Construction forSoil Improvement in Sampoerna Medan Warehouse and Slope Protection in Surabaya Factory | Medan | PT HM Sampoerna | 2007 |
| Design and Build for Dewatering Work During Construction of PLTGU Labuhan Angin - Sibolga | North Sumatera | PT Wijaya Karya | 2007 |
| Topography Survey And Soil Investigation for Telkomsel Building | Banda Aceh and Pekanbaru | PT Atelier Enam 6 Struktur | 2007 |
| Topographic Survey at Simatupang Office Building | Jakarta | PT JGC Indonesia | 2007 |
| Geological and Soil Mechanical Investigations for Design Review of PIRIMP Package - IV | South Sumatera | Nippon Koei Co., Ltd and Associate | 2006 |
| Soil Investigation, Bathymetry and TopographyySurvey for PLTU Teluk Naga | Tangerang - Banten | PT Rekadaya Elektrika | 2006 |
| Soil Investigation for Oil Storage Facility, Bintan Island Project | Batam | TWC Tiong Woon Oil & Gas Service Pte Ltd | 2006 |
| Design and Rehabilitation for access road Bukit Mata Kucing | Batam | PT Ardhinusa Mitratel | 2006 |
| Topography and Bathymetry Survey and Soil Investigation for PTLU Teluk Naga | Tangerang Banten | PT Rekadaya Elektrika | 2006 |
| Topography Survey, Soil Investigation, Geoelectric Survey for Villa Uluwatu Desa Pecatu, Kec Kuta Bali | Bali | PT Orang Tua Group | 2006 |
| Soil Investigation for Monorel Plan Project | Jakarta | PT Adhi Karya | 2005 |
| Soil Investigation for Irrigation Way Curup Project | East Lampung | PT Adhi Karya (Persero) Tbk | 2005 |
| Provision of Soil Survey Services for South Sumatra - West Java Pipeline Project Package 2 | South Sumatera | PT PGN - Nippon Steel Corporation | 2005 |
| Pumping Test, Dewatering Design and Dewatering Operationfor Pacific Place Project, SCBD | Jakarta | PT. Metropolitan Mulia Persada | 2005 |
| Environmental Impact Analysis Assessment for JORRI, Ulujami - Pondok Indah | Jakarta | PT Jasa Marga | 2004 |
| Design, Dewatering System Installation and Operation During Construction of Cilacap Steam Power Plant | Cilacap | PT Wijaya Karya | 2004 |
| Soil Investigation for Daan Mogot Fly Over Project, 25 Piers | West Jakarta | PT Waskita Karya Divisi II | 2003 |
| Bathymetric Survey and Topographic Surey at Shiplifting Yard Muara Baru Ujung | Jakarta | PT Proskuneo Kadarusman | 2003 |
| Environmental Impact Analysis Assessment for TV Tower Surabaya (200m) & Semarang (120 m) PT Televisi Media Indonesia (Metro TV) | Surabaya - Semarang | PT Televisi Media Indonesia (Metro TV) | 2002 |
| Topography Survey for Bukit Sentul | Bogor - Jabar | PT Akipuri Intranasional | 2002 |
| Topographical Survey Bali Intercontinental Resort | Bali | PT Citra Jimbaran Hotel | 2002 |
| PECIKO Field Development Project - Phase III Onshore Geotechnical Survey, Peciko | Jakarta | Total Indonesia | 2001 |
| Geotechnical Engineering Consultancy Service to Support Offshore & Geophysical Site Investigation, Devon Energy Companies in Indonesia | Jakarta | Devon Energy Companies | 2001 |
| Feasibility Study for SUTET OECF & KE. III (SUTET 500 kV Depok Incomer II), Gandul & Balaraja | Depok - Jabar | PT PLN (Persero) | 2000 |
| Pile Drilling Monitoring Service Anoa Gas Export Project | Jakarta | Nippon Steel Corporation | 2000 |
| Geoelectric Survey and Geohydrology Map (ISDP) at Pekan Tua, Teluk Kiambang, Sei Mumpa & Sei Rukan, Indragiri Hilir, DPU Proyek Pengairan Daerah Rawa (P2DR) | Riau | PUPR | 1999 |
| Installation & Monitoring of Geotechnical Instrumentation for Manggar Dam | Balikpapan - Kaltim | PT Nindya Karya Balikpapan | 1999 |
| Soil Investigation and Topographic Survey for PLTD Tanjung Sengkuang | Batam | PT. PLN (Persero) | 1999 |
| Soil Investigation and Bathymetric Survey (1000 x 10 m2) for Musi River Project | Palembang - South Sumatera | PT Wika Beton | 1999 |
| Design, System Installation and Dewatering Operation During Construction of Bali International Airport Project - Bali | Bali | PT Kaliraya Sari | 1999 |
| Dewatering Design and Construction for Matakabo Dam Project | Maluku | PT Waskita Karya IV Denpasar | 1999 |
| Feasibility Study for Barru Street (South Sulawesi, Poso (Midle Sulawesi) | Semarang (Central Java | PT Jasa Marga | 1998 |
| Soil Boring Works for Jack Up Drilling Site at Berau Block an Associated Area, Berau - East Kalimantan, Atlantic Rickfield Berau | East Kalimantan | ARCO - Somesha Geosciencers Pte Ltd | 1997 |
| Soil Investigation for JORR E1 Stage 2 Project, Kampung Rambutan - Cikunir Fly Over, Fly Over Review Design | Jakarta | PT Nusa Buana Kusuma | 1997 |
| Soil Investigation and Foundation Design for Artha Graha Building Project | SCBD - Jakarta | PT Danayasa Arthatama | 1997 |
| Soil Investigation for SCBD Building Lot II Complex | CBD - Jakarta | PT Danayasa Arthatama | 1997 |
| Soil Investigation & Topographic Survey for Transmission Line Mapping SUTT 150 kV Singkawang - Sambas, Singkawang - Bengkayang - Seluas Perbatasan, East kalimantan | Kalimantan | PT PLN (Persero) | 1997 |
| Design for KPKN V Building, Jakarta Jl. TB. Simatupang (Outer Ringroad), South Jakarta, Prasarana Fisik Kantor Pusat Dit. Jend. Anggaran Jakarta Departemen Keuangan RI | Jakarta | Departemen Keuangan | 1997 |
| Detail Design for Telkom Building Project Division Ris Ti 97 | Bandung | Telkom | 1997 |
| Geotechnical Survey in Irian Jaya | Irian Jaya | British Gas International | 1997 |
| Geotechnical Investigation at Muara Karang & Tanjung Priok ORF | Tanjung Priok - Jakarta | ARCO | 1996 |
| Soil Investigation, Dewatering Design and Dewatering Work During Basement Excavation and Costructrion for Taman Anggrek Mall (8 towers in 6.5 ha area) | West Jakarta | PT Mulia Griya Indah | 1996 |
| Survey, Plotting and Stacking Out Route SUTT 150 kV and Soil Investigation at Duri - Bagan Batu Project | Riau | PT. PLN (Persero) | 1996 |
| Soil Investigation for Way Pedada Irrigation Project Lampung, South Sumatera, Public Work Department - Water Resource Conservation & Development Project | South Sumatera | Directorat of Irigation | 1996 |
| Topography and Site Grading Sektor D & G at Bukit Indah City - Purwakarta West Java | Purwakarta | PT Besland Pertiwi | 1996 |
| Soil Investigation and Instrumentation for ITC Cempaka Mas Jl. Cempaka Putih | Jakarta | PT. Duta Pertiwi | 1996 |
| Pre Feasibility Study for PLTA Semangko 3 Lampung | Lampung | PT PLN (Persero) | 1996 |
| Soil Investigation for Design factory and office building of Lippo City Cikarang | Cikarang - West java | Ninz Pasific | 1995 |
| Field Investigation Works for the Development of Bintan Industrial Estate at Loban Bintan Islan | Bintan | PT. Surya Bangun Pertiwi | 1995 |
| Hydrographic and Marine / Land Investigation on Bintan Beach International Resort | Bintan | Sembawang Industrial Pte Ltd | 1995 |
| Site Grading Design for Sector D & G - N at Bukit Indah City Area | Cikampek | PT. Besland Pertiwi | 1995 |
| Field Investigation for Pre Feasibility Study of Bone HEPP North Sulawesi Package III | North Sulawesi | PT PLN (Persero) PISFP | 1995 |
| Soil Investigation for Instrument Installation, Quality Control Monitoring Belawan Steam Power Plant 3&4 | Medan | PT Mega Elta | 1995 |
| Field Investigation Pre Feasibility Study for PLTU Batam | Batam | PT PLN (Persero) PISFP | 1995 |
| Feasibility Study, RKL, RPL, Resettlement Plan and Aerographic for PLTU Mulut Tambang | Banjarmasin | PT PLN (Persero) PISFP | 1995 |
| Feasibility Study and Resettlement Plan for Two Hydro Power Schemes PALU-3 | Cetral Sulawesi | PT PLN (Persero) | 1995 |
| Dewatering Work for Bank Indonesia Gd. C Package - I Project | Jakarta | PT Wijaya Karya | 1995 |
| Field Investigations for Feasibility Study of Ujung Pandang Coal Fired Steam Power Plant Dev. Project | Makassar - South Sulawesi | Newjec Inc | 1994 |
| Geotechnical Services for Tanjung Api -Api and Kilang Musi Pipeline, PERTAMINA | South Sumatera | PERTAMINA | 1994 |
| Pre Feasibility Study for PLTA Bone (Package - III) | Nort Sulawesi | PLN - PISFP | 1994 |
| Design, Dewatering System Installation and Operation During Construction of Dukuh Atas Underpass Project | Jakarta | PT Jaya Konstruksi MP | 1994 |
| Hydrographic and Marine / Land Investigation on Bintan Beach International Resort | Bintan | Sembawang Industrial Pte Ltd | 1993 |
| Offshore and Marine Survey for Taihsi Harbour Project Taiwan (Phase - II) | Taiwan | United Surveyor Co - Ltd Singapore | 1993 |
| Add Site Study PLTU Mulut Tambang Banjarmasin (Package III) | Banjarmasin | PT PLN (Persero) PISFP | 1993 |
| Site Study and Investigation Survey Include Andal for Minemouth Steam Power Plant Project PLTU Bukit Asam Stage II | South Sumatera | PT PLN (Persero) PISFP | 1993 |
| Site Study Including Geotechnical Investigation for Banjarmasi Mine Mouth Steam Power Plant Project | Banjarmasin - South Kalimantan | PT PLN - PISFP | 1992 |
| Onshore Drilling Surabaya Side (2 Km2) and Madura Side (1 Km2) Geotechnical and Feasibility Study for Surabaya Madura Bridge Project | Surabaya | PT. Virama Karya - BPPT | 1992 |
| Offshore and Marine Survey for Taihsi Harbour Project Taiwan (Phase - I) and parcel A - 11 | Bintan | United Surveyor Co - Ltd Singapore | 1992 |
| Design Engineering at Karawaci Tangerang, Banten - Indonesia, Tangerang | West Java | Sunkyong Engineering dan Construction Ltd | 1992 |
| Engineering Design, Tender Document and Bidding Process for "Jalan Non Status Special Program II" in North Sumatera West Kalimantan, Central Kalimantan, East Kalimantan and South Sulawesi with Total Lengh 230.00 km, Kalimantan, Proyek Perencanaan Teknik Jalan, Public Work Department Dirjen Bina Marga Direktorat Bina Teknik | North Sumatera | Bina Marga Direktorat Bina Teknik | 1992 |
| Site Study PLTU Mulut Tambang Banjarmasin (Package III) | Banjarmasin | PT PLN (Persero) PISFP | 1992 |
| Topographic Survey & Soil Investigation ISP Polyester Filamen Yarn Plant Project | Cilegon - West Java | Sunkyong Corporation | 1991 |
| Geotechnical for Bali Power Study | Bali | PLN - PISFP | 1990 |
| Geotechnical Investigation and Topographic Surveyof Judgement Study and Investigation on Deteioration of Existing Barrage, Pamarayan Barrage | West Java | Nippon Koei and Association with PT Indra Karya and PT PAC | 1989 |
| The Provision of Onshore and Offshore Geotechnical Service around Pagerungan Island | East Java | PT Komaritim - ARCO | 1989 |
| Building Detail Design For 80.000 MTPA EO/EG Project | Jakarta | PT Yasa Ganesha Pura | 1989 |
| Feasibility Study for Banjarmasin Coal Fired Steam Power Plant Project Banjarmasin PLN-Ewbank Preece Ltd. In associater | Banjarmasin | PT Indra Karya - PT Pratama Widya | 1989 |
| Soil Investigation at Tarum Jaya Canal Intake | West Java | PT. Persada Adhi Cipta | 1988 |
| The field Investigations for the Palu - 3 Feasibility Study for Two Hydro Power Scheme in Java & Sulawesi | Central Sulawesi | PT Yodya Karya - PT PLN | 1988 |
| Design of Site Engineering for ITS at Sukolilo | Surabaya | ITS | 1988 |
| Topographic Survey for Field Investigation of the Palu-3 Feasibility Study for Two Hydro Power Schemes in Java & Sulawesi | Java & Sulawesi | PT. Yodya Karya, Coyne et Bellier & PLN | 1988 |
| Topographic Survey Pertamina Exor Project at Besuki & Pacinan | Pacinan | JGC CORP & SIR THOMAS HALCROW | 1988 |
| Aerial Photography, Mapping, Identification of Landholding of Jrantunseluna River Area | Jakarta | PT Persada Adhi Cipta | 1988 |
| Soil Investigation at STDP Petro Central Padang, West Sumatera, Bangkok Anlagen, German | West Sumatera | STDP Petro | 1987 |
| Soil Investigation for NS Link Project, Cawang Tanjung Priok, Jakarta, PT. Hutama Jaya Yala & Citra Marga Nusaphala Persada | Jakarta | PT. Hutama Jaya Yala | 1987 |
| Soil Investigation for Tanjung Pandan Diesel Power Plant (PLTD) Project | Batam | PT PLN PISFP & PT PAC | 1987 |
| Soil Investigation, Instrumentation and Dewatering Design and Services for Basement Construction of Plaza Indonesia Building | Jakarta | Sangyong Construction | 1987 |
| Soil Investigation, Quality Control and Soil Behaviour (Lateral, Vertical, Pore Pressure) Monitoring During Site Reclamation for PT PLN's Belawan Steam Power Plant phase 3 & 4 Area | Belawan - North Sumatera | PT Mega Elta | 1986 |
| Design Road Trace for "Transmigrasi" at Bengkulu, NTB, South Sumatera, NTB, Bengkulu, South Sumatera, DEPARTEMEN TRANSMIGRASI | South Sumatera | DEPARTEMEN TRANSMIGRASI | 1986 |
| Pre Feasibility Study for Gunung Salak Geothermal Power Plant | West Java | Perusahaan Umum Listrik Negara | 1986 |
| Sub. Project Rencana Bagian Wilayah Kota (RBWK) at Kec. Pulogadung, Cempaka Putih and Matraman Jakarta | Jakarta | Pemerintah Daerah Khusus Ibukota Jakarta | 1985 |
| Detail Study Management Pengolahan Kembali Limbah Padat at Batam Island, Batam, Badan Pelaksana Otorita Batam | Batam | Badan Pelaksana Otorita | 1985 |
| Hydrogeologi for Feasibility Study PLTU Paiton | East Java | PT PLN (PERSERO) PISFP | 1985 |
| Engineering Design PLTM Lubuk Gadang III West Sumatera | West Sumatera | PLN - PISFP | 1984 |
