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:

• Optimising 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.

Features:
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 70km long.
• 16km HDPe pipeline up to 400 dia.
• 26 km GRP pipeline up to 1600 dia.

The project was planned in 2 phases:

• Phase 1 1770ha under centre pivot irrigation with a total of 25 pivots.
• Phase 2 3100ha 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 = 5.6mm per day.