About Us

We bring the technical knowledge
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We bring the technical knowledge,
experience and resourcefulness.
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We stay professional and pragmatic
and find the best solutions.

WHO WE ARE

Established in 1971 by a partnership of Ir. Hadi Husni Mantjanegara, Ir. Rismantojo, and Ir. Sawarso Wignjosajono, PT Soilens has been trusted by numbers of domestic (private and government) and overseas clients, both contractors and project owners to perform soil investigations, survey, construction, supervision, and other engineering services. Our projects portfolio covers more than 2,500 projects.

PT Soilens has now won recognition for its professional services, and is one of the largest consulting companies registered with INKINDO, and also registered with the World Bank, the Asian Development Banks, OECF and others as a company qualified to tender consulting services for development projects financed by these institutions.

WHAT WE DO

The firm is active in the field of civil engineering and has been entrusted with project requiring prefeasibility, feasibility studies, master planning, design, and implementation/supervising services.

In guarantee integrated project approach the firm offers site investigation services of geotechnical surveys and related laboratory tests and topographic surveys.

OUR COMMITMENT

“Delivering high quality services”

 

To ensure delivering a sustained quality of service we adopt ISO 9001:2018 Quality Management System for Soil Investigation and Topographic Survey.

Our quality policies are:

  • Satisfying clients’ needs
  • Delivering timely delivery of works
  • Meeting clients’ requirements
  • Improving employees’ competencies through training and field experiences

OUR REPUTATIONS

Our reputation is founded on integrity, qualified and experienced professionals,  well-maintained facilities, proven quality assurance processes, knowledge-based organization, comprehensive service capabilities, and open door policy.

CERTIFICATIONS

Conoco Phillips

Safety Award

Sgs Iso 9001:2008

EXPERIENCE OF THE PARTNERS

Rismantojo

After his graduation from ITB as Civi Engineering in 1959, Rismantojo began his career as lecturer in Civil Engineering Department of the ITB. In 1960 he went to the United States to study on Hydrology, Harbors and Soil Mechanics at Purdue University and Florida University. Since 1963 until now he is active in dealing with Civil Engineering Services.

He is member of:

  • Persatuan Insinyur Indonesia (PII)
  • American Society of Civil Engineers (ASCE)
  • Sout East Asian Geotechnical Society (SEAGS)
  • International Society of Soil Mechanics and Foundation Engineering (ISSMFE)
  • Member of Himpunan Akhli Teknik Tanah Indonesia (HATTI)
  • Member of Himpunan Akhli Teknik Hidraulik Indonesia (HATHI)
  • Member of Himpunan Pengembangan Jalan Indonesia (HPJI)
  • Member of International Commission on Large Dam (ICOLD)

Sawarso Wignjosajono

Sawarso Wignjosajono graduated from ITB as Civil Engineering in 1960 and began his career as lecturer in the Department of Civil Engineer or the ITB. In 1961 he went to USA to study Soil Mechanics in Purdue University.

His professional membership are:

  • Persatuan Insinyur Indonesia (PII)
  • American Society of Civil Engineers (ASCE)
  • Member of International Society of Soil Mechanics and Foundation Engineering (ISSMFE)
  • Member of South East Asian Geotechnical Society, SEAGS (also as General Committee Member of Society)
  • Member of Himpunan Akhli Teknik Tanah Indonesia (HATTI),
  • Indonesian Geotechnical Engineers Association (IGEA)
  • Member of Himpunan Akhli Teknik Hidraulik Indonesia (HATHI),
  • (Indonesian Hydraulics Engineers Association (IHEA)
  • Member of Himpunan Pengembangan Jalan Indonesia (HPJI),
  • Indonesian Highway Engineers Association
  • Member of International Commission on Large Dam (ICOLD)

Hadi Hoesni Mantjanegara

Hadi Hoesni Mantjanegara graduated as Civil Engineer from ITB in 1962. Before his graduation he has experienced in many consulting works back from 1963, the he was active in the field of Civil Engineering Services.

He is member of:

  • Sout East Asian Geotechnical Society (SEAGS)
  • International Society of Soil Mechanics and Foundation Engineering (ISSMFE)
  • Member of Himpunan Akhli Teknik Tanah Indonesia (HATTI)
  • Member of Himpunan Akhli Teknik Hidraulik Indonesia (HATHI)
  • Member of Himpunan Pengembangan Jalan Indonesia (HPJI)
  • Member of International Commission on Large Dam (ICOLD)