Lesotho Dam Investigation
The project, which incorporates a geotechnical investigation and Lugeon testing for a potential dam site is located at two sites, one at Senqu B and the other at Oxbow.
East London Harbour Quay Wall
The project required that we drill 6 holes (HQ3 size), with SPT’s, Shelbey’s and Shearvane testing, half a meter out into the sea from the Quay edge.
Road Interchange, Paarl
CPTu testing for a road interchange in the Paarl area. The project entailed 12 CPTu’s, with augering through the hard layers, to a total depth of 20m.
Khanyisa Power Station
The Apageo Pressure Meter test and other In-Situ tests were done to determine the soil characteristics to be used for assessment of excavation methods and for detailed design of foundations, ground improvement and earthworks.
Fufu Hydropower Project, Malawi
The Ministry of Energy and Natural resources of Malawi commissioned Geomechanics to undertake a geotechnical survey of two potential locations for hydroelectric power stations, one in the north and one in the south of Malawi.
AEL Sonic coring project at Modderfontein
Geomechanics was commissioned to determine the extent of contamination of explosive material in the ground. The Geo-601 Comacchio combination drill rig was converted to drill remotely to reduce the risk of injury to staff from drilling into unexploded ordinance.
Largest underground drilling contract to date was for Assmang’s Black Rock mine operations project in the Northern Cape which was completed with a flawless safety record and uncompromised commitment to quality assurance and environmental project aspects.
GeoGroup Companies help Exxaro Secure the Safety of its New Lakeside Towers Development
The New Exxaro’s Lakeside Towers Office Development was developed over a dolomite rock formation. The dolomite formation is renowned for developing sinkholes and this poses a potential risk to the safety of structures built upon them and hence the people within those structures.
Vibrating Wire Piezometers
Tenke Fungurume Mine Project DRC Terra Monitoring (Pty) Ltd. was appointed by Golder Associates Africa (Pty) Ltd. to install eight Vibrating Wire Piezometers VWP in the North Embankment, North Saddle Embankment and Spillway Embankment of the TSF tailing dam.
Driven Ductile Iron Pile Solutions
Val de Vie
Percussive pre-drilling and grouting using sister company Geomechanics created a safe passage for the ductile iron pile to be driven.
KaXu Solar One Solar Plant
The KaXu Solar One is a concentrated solar thermal plant, located 50km North East of Pofadder in the Northern Cape. It covers an area of 1,100 hectares.
Bloemfontein Central Park Shopping Centre
Very tight access piling, as close as 30cm from existing column, with limited headroom of 2.5m in places. 28 end-bearing piles were installed to depths between 8-10m in only two days on site.
Dora Nginza Hospital
This large scale job entailed installing 210 end-bearing piles with limited geotechnical information.
Geomechanics CEO Dave Rossitter designed, and sister company Geostruct custom built, a jack-up barge that can be used to do geotechnical drilling surveys in up to 8m of flowing water. The self-propelled barge is used as a platform for the drill rig and crew for surveying the ground conditions in rivers and dams.
GeoStruct manufactures the track mountings for many uses. GeoGroup uses them for its drill rigs