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International activities

OnSite has a long and proud tradition of working internationally. Recent and ongoing international work includes:


OnSite has been providing specialist CCTV, Sonar and TISCIT investigation works within critical trunk sewers in major urban city centres.


Successfully installed flow survey equipment to monitor the impact of unusually high levels of rainfall on Doha's sewerage network.


OnSite has extensive experience and has successfully installed flow survey equipment for numerous flow monitoring contracts.

Hong Kong

Extensive survey work including flow measurement, CCTV and mapping from the 90's into the 2000's.


Since 1984, OnSite has undertaken many projects in India delivering our full range of services, specifically tailored for the Indian market including:

Madhya Pradesh, India

Narmada River Damfor Mott MacDonald and Partners - Project management, CCTV inspections of boreholes at various dam sites along the Narmada River.

Mumbai, India

  • Bombay Storm Water Project for Montgomery Watson - Training and managing of local staff in man entry survey and cleaning of sewers and culverts.
  • Sewer Project for Montgomery Watson - Approximately 20 kilometres of public sewer in Bombay, surveyed by CCTV and man entry.
  • Sewer Condition Survey in Greater Mumbai for GKW/Baptie - Surveyed 150 kilometres by CCTV and man entry methods including a short term flow survey study.

Hyderabad, India

Hyderabad Sewer Survey Project for Montgomery Watson - Approximately 30 kilometres of public sewer, surveyed by CCTV and man entry.

Delhi, India

Sewer re-lining project for the Delhi-Jal Board - Total length for renovation: 12km.

Additionally we have worked in:

  • Falkland Islands
  • France
  • Gibraltar
  • Indonesia
  • Ireland
  • Italy
  • Morocco
  • Singapore
  • The Azores
  • Turkey

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