Field of Activity: Water Supply

Tanzania, Water and Sanitation Upgrading Programme for 3 Towns

The project “Provision of pre-contract assistance, site supervision and assistance during defects liability period for the upgrading programme for the towns of Kigoma, Lindi and Sumbawanga” (in short “3 towns construction supervision”) entails the construction of water supply and sanitation infrastructure as designed under the “7 towns urban upgrading programme”, executed during 2010/2011.

Services

Additional preparatory work and finalization of tender documents for publication
Assistance to contracting authority in tendering and contracting
Contract administration and day to day site supervision of the works
Assistance to the contracting authority during the defects liability period
Assistance with operation and maintenance of the constructed facilities

Technical Data

The scope of construction works comprise:

Kigoma

Water intake works
Raw water main with 1000 mm diameter
Disinfection facilities
Clear water pumping station
2 pumping mains
- 5.8 km length (500 mm diameter)
- 6.6 km length (600 mm diameter)
5 reservoirs of 2,000 m³
2 gravity mains
- 3.3 km length (450 mm)
- 1 km length (315 mm)
Extension of water distribution network of 122 km
Construction of one sludge digester

Lindi

Drilling of 10 groundwater boreholes
Groundwater collection mains 160 mm to 400 mm in diameter
Water treatment works of 7,500 m³/d consisting of aeration, chemical dosing, direct filtration, chlorination,
One clear water pumping station, transmission main of 500 mm diameter and 9.8 km length,
2 reservoirs with 2,000 m³ and 3,000 m³ capacities,
Water distribution network extensions of 27 km

Sumbawanga