Projects

CLIENT:  Mtibwa Sugar Estate Limited

LOCATION: Mtibwa Sugar Estate, Morogoro, Tanzania

TYPE OF CONTRACT: FIDIC Design

  Scope of Services Provided:

• Infrastructure planning with regards to haulage roads, drainage and irrigation layout
• Detailed engineering design for pump stations, pipelines, overhead transmission lines and balancing dams
• Irrigation design and bulk distribution network

  Project Description:

• Optimizing Bulk and infield water requirements taking into account harvesting strategy and seasonal river flows
• Overall design of 4 500ha of irrigation under pivot
• Design of river and infield pump stations
• Associated bulk rising mains
• Design of primary drainage system
• Design of two larger off-channel storage facilities
• Design all the electrical infrastructure – including new 132kVA overhead line

Overall features of this project:

• Greenfields project with no existing infrastructure.
• Two (2) river pump stations with total capacity of 7 m³/s (25 200m³/hr)
• Two (2) infield pump stations with total capacity of 19 000 m³/hr
• Two (2) off-channel storage dams with total storage capacity of 65M m³
• Drainage master plan for the entire area
• Detailed design of the primary drains and outfalls
• Staff and management village services – including offices and workshop complex
• New 132kV line which is 70 km long.

The project was planned in 2 phases:

• Phase 1 1770 ha under centre pivot irrigation with a total of 25 pivots
• Phase 2 3100 ha under centre pivot irrigation with a total of 52 pivots

The irrigation system was designed to supply the following:

• Peak monthly nett irrigation requirement:149mm
• Daily gross irrigation requirement for centre pivot @ 85% efficiency = 5.6 mm per day