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Studio Pietrangeli

Mauritius

Anguilles Dam Project

Engineering services for urban water supply and irrigation

Mauritius

Anguilles
Dam Project

The scope of the project is to make use of the water resources of the Rivière des Anguilles in order to meet the demand (up to about the year 2050) for water supply and irrigation in the Southern part of Mauritius.

This is the first project that SP has been awarded in the Mauritius island, being very eager to expand its horizons towards the Indian Ocean.

The layout of the Rivière des Anguilles dam consists of a rockfill dam with an impervious upstream face about 55 m high and 2000 m long. The dam lays on residual soil that will be waterproofed through a cut-off consisting in a plastic wall diaphragm. The spillway is foreseen as a classic morning-glory type, separated from the dam’s body, with an intake tower and the conduits going through the dam’s foundation and a discharge capacity of 450 m3/s.

Rivière des Anguilles, Mauritius

PLACE

Government of Mauritius, Ministry of Energy and Public Utilities

CLIENT

2018 – in progress

YEAR

Main Features

  • Rockfill dam with concrete facing ( H = 55 m, Crest L = 2000 m )
  • Cut-off ( plastic diaphragm, L = 2000 m, depth = 20 m )
  • Reservoir ( Total capacity = 13.2 Mm3 )
  • Spillway ( Type ungated, L = 30 m, Design Flood = 450 m3/s )
  • Intake Tower ( Q = 1.58 m3/s )
  • Outlet ( Q = 9.3 m3/s )

Mauritius

Anguilles Dam

Engineering
Services

Review and update of the existing Basic design

Detailed design

Tender documents

Assistance during procurement, tender evaluation

Construction contract management

Supervision of Construction

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