DPI undertake Geotechnical Site Investigation projects for a range of Clients including Regional and International Consultants, Building and Civil Engineering Companies, Aid Organisations, Parastatals and Governments, as well as a whole range of other Private Sector Clients. 

The works undertaken include Drilling Works comprising mainly of Augering and Diamond Coring, and in very soft formations this would include Percussion Drilling.  The Drilling diameter of these boreholes ranges from 10 inches to 4 inches depending on requirements, or terrain. 

The most common sizing for Site Investigations is NQ and HQ.  Other services offered are Logging of Samples by our Geologists, Laboratory Testing, and Factual / Engineering Reporting.

DPI have drilled a considerable number of infrastructure projects since 2002, including a large number of large Dam projects, drilling for Bridge and Road works, Ports and Jetties, Power Stations, and other Large Infrastructure Projects.

Site Investigations for major Building works in East Africa include on average 2-4 Site Investigations per month for High Rise Towers comprising both Offices and Residential Units, Large Housing and Retail Developments and Factories.