Plunge Pool Reshaping
Kariba Dam, , Zambia

The Kariba Plunge Pool Reshaping project, undertaken by Razel-Bec. The project involved the meticulous reshaping of the plunge pool at the Kariba Dam, an essential infrastructure upgrade to ensure the dam's continued safety and functionality. Key activities included the installation of piers, construction of a coffer dam, and extensive dewatering efforts​​ .

Location
Project participants
Specialist Contractor: Razel-Bec
  • Second Pier , full volume pour
  • Pier 3 under the move-in plunge pool beneath the dam wall,
  • Pier 3 being floated off submerged lift into plunge pool area
  • Pier 2 in place preparing for 2400 mm pour
  • showing main and coffer dam with the emptying plunge pool getting ready for reshaping
    View of the coffer dam from the plunge pool side
  • 20 meters deep from the water level at the bottom of the hole
    20 meters deep from the water level at the bottom of the hole
  • concrete base establishment
    concrete base establishment
  • Fault line concreted closed
    Fault line concreted closed
  • plunge pool refilled
    Kariba plunge pool refilled

Project Information

Requirements
Reshape the plunge pool to improve water flow and structural integrity
Install multiple piers to support the reshaping process.
Construct a coffer dam for safe working conditions.
Ensure minimal disruption to the dam’s operations and surrounding environment.

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Solutions
PERI provided specialized formwork and scaffolding solutions tailored to the unique demands of the Kariba Plunge Pool Reshaping project
• Single Side Formwork: For the construction of piers, ensuring stability and precision
• CB Brackets and Soldier Supports: To facilitate safe and efficient concrete pours at various heights.
• TRIO Formwork System: The TRIO formwork system was used for shuttering concrete, meeting the required pour height, and allowing for the casting of concrete while floating on the pool.
• QUICKSTAGE System: Used for access and support, ensuring safe and efficient movement of personnel and materials around the construction site.

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Customer benefits
• Enhanced Safety: Secure working conditions due to robust formwork and support systems.
• Increased Efficiency: Streamlined construction processes, leading to timely project completion.
• Cost Savings: Efficient resource management and reduced labour costs through innovative construction methods.
• Structural Integrity: Improved durability and performance of the plunge pool, ensuring long-term safety.

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