Lomé Container Terminal GSI


Client
LCT

Period
February 2011 – January 2014

Location
Lomé, Togo

Lomé Container Terminal GSI
LCT, contracted PMI Ltd to perform a number of site investigations for the expansion project of Lomé container terminal. Expansion plans involved the construction of a new harbour basin and quay walls for bigger container vessels. The access channel and turning circle were also dredged to deeper depths to accommodate the container vessels with a deeper draft.
Scope of Works
The complete scope of works was executed in a number of stages across a broad time frame. The complete scope of work was as follows:
Marine Surveys:
- Bathymetric surveys
- Side scan sonar surveys
- Sub-bottom profiling
- Sediment sampling
- Magnetometer survey
Offshore Geotechnical:
- 18no Vibrocores
- Grab Samples
- 10no seabed CPTu tests
Onshore Geotechnical:
- 21no onshore boreholes
- 85no onshore CPTs
Marine Conditions Surveys:
- 3no AWAC monitoring buoys installed for 3 month period to obtain local wave, current and tidal data.
Execution
The GSI work was performed using the broad spectrum of PMI’s resources including the following:
- Multicat Vessel PMI Tiger and Geocorer vibrocore machines;
- 200kN Geomil truck mounted CPT Rig;
- Fraste Hydraulic Rotary core/percussion drilling rig;
- Marine survey vessel – PMI Solstice;
- Bathymetric and geophysical surveying equipment;
- Total stations and GPS equipment;
- Professional engineers and support staff
The contract was executed successfully and the quality data obtained from the site investigations helped the Client save a significant portion on the final contract value of the newly constructed port expansion.