Katse Dam, situated in the Lesotho Highlands is a 145m high double curvature concrete arch dam (DCCAD) with a 710m crest length.

Geotechnical Instrumentation (Kop-Kop) installed the initial foundation exploration borehole for the foundation.

Installed Instruments Specification:

Piezometers (Clay Core against Retaining Wall)

• Geokon Vibrating Wire Model 4500S

Designers: Knight Piésold

Consulting Engineers: Knight Piésold

Contractors: Bouygues, Concor Roads & Earthworks, Group 5, Hochtief, Impregilo, Kier Group