Nzema Gold Mine

Client

Endeavour Mining Corporation (Nzema Gold Mine)

Location

Western Region, Ghana

Highlights

Embankment design
Storage capacity modeling
Slope stability analysis
Stormwater and spillway design
Drainage design
Liner design
Seepage analysis and interception design
Water balance
Drafting of drawings

Project Overview

Nzema Gold Mine is located near the town of Nkroful in the Western Region of Ghana. The project comprises of open cut mining operations in the Salman and Anwia areas of the Western Region. The operations had a proposed design throughput of 2.0 Mtpa over a nine-year life of mine.

Project Role

Knight Piésold was commissioned to design the tailings storage facility (TSF) and supervise the construction. Services provided included:

Determination of soil profiles
Selection of potential burrow materials and analysis of test results on samples for quantities and construction suitability
Staged embankment designs
Tailings storage capacity modeling
Storm water and spillway analysis
Underdrainage and groundwater drainage system designs
Design of HDPE liners and geotextile separators
Seepage analysis
Design of seepage interception system
Drafting of design drawings
Development of bill of quantities and engineer’s cost estimates
Water balance
Project risk assessment
Decant system design
Contract document and specification