Ilesha Dam and Water Supply Scheme

ILESHA DAM AND WATER SUPPLY SCHEME

• WEIR:

Length   –   150m

Height   –     2.75m

Width    –    10.9m

 

• RETAINING WALLS:
• The retaining walls are 7m high reinforced concrete on the left and right flanks of the weir and are meant to protect the riverbanks around the weir.

 

• SEDIMENT REMOVAL TANK
• A reinforced concrete structure with a floor area of 371.2m² comprising of 14nos gates to control the flow at the sedimentation cells and entrance screen which opens through a distribution channel to four equal sedimentation cells. (???)

 

• ELECTRO-MECHANICAL EQUIPMENT:
• 3 Nos. 810KVA Generators,
• Electrical/Synchronization panels.
• Pump Panel and flow meter
• 5 Nos. Vertical raw water pumps (1,100 m³/h; Head=60m each),
• Steel/Fibre screens,
• Walkway protective handrails, etc
• GENERATOR HOUSE:
• 1,800m² yard with block work perimeter fence,
• Generator bay for the 3 No. 810KVA generator sets,
• Diesel Fuel dumps with a total capacity of 99,000liters,
• The Generator building with 2 offices, a store, Electrical and pump panel room,
• Reinforced concrete service cable duct from the panels, transformer to intake pumping station,
• Security house
• 22KM WATER CONVEYANCE PIPELINE:
• 900mm Ø ductile iron pipe with construction of 4 concrete chambers for flow meter, washout, butterfly, and air valves to proposed water Treatment plant
• ACCESS ROAD:
• 7km asphalt concrete paved single carriageway linking Ilesha-Oshogbo Road to the entrance gate of sediment removal tank/pumping station.

 

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