Type: Rock-Fill Clay Core (RFCC) Dam
Construction Date: 1998 - 2002
Location: Hhohho, Swaziland
S 26.076906° E 31.259581°
Maguga Dam, situated near Pigg's Peak, Swaziland is a 115m high Rock-Fill Clay-Core (RFCC) dam with a 1328m crest length.
This dam structure forms is part of the Komati Basin Water Authority (KOBWA).
Main Embankment is split in two half's (320m and 628m) with a conventional formed concrete labyrinth (182m in length) and massive spillway (278m in length).
The two main clay-core embankments comprises approximately 800 000m³ of clay, 2 800 000m³ of granite rock and 43 000m³ of filter material.
Maguga Dam has been designed to withstand a probable maximum flood of 15000m³/s and the labyrinth spillway can pass a flood of 7800m³/s without sustaining damage.
The Dam Capacity is 26.7 million m³ with an active water storage volume of 19.1 million m³.
Maguga Dam Instrumentation consists of the following:
Instruments installed in and around the Dam Embankment are intended to monitor:
Installed Instruments Specification:
Consulting Engineers: Ninham Shand, Keeve Steyn, Vela VKE Engineers, SRK Consulting Engineers, ZMCK Consulting Engineers, Kagga & Partners and M&E Consultants
Contractors: Maguga Dam Joint Venture (MDJV)
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