Name and Location
Witwatersrand eastern basin acid mine drainage (AMD) project, Gauteng, South Africa.

Client
Trans-Caledon Tunnel Authority (TCTA).

Project Description
The project involves the construction of infrastructure to extract and treat acid mine water and the conveyance of treated water to nearby water sources.

The project will include the construction of a shaft capping for Grootvlei Shaft No 3; a structural steel pumpstation superstructure, including foundations; the procurement and installation of three deep-mine abstraction pumps; the construction of a 106-million-litre-a-day high-density sludge treatment plant; and the construction of a motor control room building, a generator room and several short pipelines.

The contract will further entail roadworks and fencing, as well as the supply and installation of medium- and low-voltage switchgear and other electrical components.

Value
The National Treasury has allocated R225-million for the implementation of the first phase over a two-year period.

Duration
Construction is expected to start later this year.

Latest Developments
The TCTA has invited applications from suitably qualified and experienced construction companies or joint ventures to tender for the construction of infrastructure for the Witwatersrand eastern basin AMD project, near Springs.

Interested parties have until September 17 to submit their applications.

Key Contracts and Suppliers
None stated.

On Budget and on Time?
Not stated.

Contact Details for Project Information
TCTA, tel+27 12 683 1200, fax +27 12 683 1361 or email tenders@tcta.co.za.