Master plan for WHK water
11 May 2018 | Infrastructure
The tender closed on 18 April and applicants are an assortment of local water engineering consultants joined by consortia and joint ventures from Angola, Austria, Australia, Canada, Germany, India, Italy, Kenya, Portugal, South Africa, South Korea and the United Kingdom.
The consultancy is to be funded through a grant received by the Namibian government from the African Development Bank. The objectives of this project are to develop a strategic master plan to assist the City in mobilising the necessary resources to ensure sustainable water supply and sanitation. Components of the tender include the integrated master plan and a strategic document that ought to provide a vision for the sustainable development and operation of water facilities in the next 20 years. It also includes an operational document determining the required works, costs, impacts and sequence of investment.
The consultancy is to run over a 30-month period.
NamWater is the bulk supplier of Windhoek's potable water, but the municipality also derives water from reclaimed water and from an underground aquifer.
The city was, however, dunked in a critical water shortage in 2015/16 due to poor rains and little to no inflow into its three main dams since 2012.
The crisis was also ascribed in a large degree to the fact that the city has outgrown the central area water network that has not been expanded in nearly 40 years.
The central water supply network stretches from south of Grootfontein to Waterberg and Okakarara, covers everything between Okahandja and Windhoek up to the Hosea Kutako International Airport, and includes the area south-west of Karibib, the Navachab mine and Otjimbingwe.
The main components of this scheme are the three dams – Omatako, Von Bach and Swakoppoort.
The last time this scheme was expanded was in 1980, with the construction of the Omatako dam and the extension of the water channel from Grootfontein to these dams in the early 1990s.