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This irrigation dam required a dependable barrier over variable subgrade with multiple pipe penetrations, where compacted clay would be difficult to place. Kaytech’s EnviroFix® GCL was installed across the basin and slopes as the low-permeability liner. The needle-punched sodium bentonite core delivers consistent hydraulic performance across the dam. • Controls seepage while preserving storage volume with a thin section • Faster, more consistent installation than thick compacted clay • Reinforced structure provides reliable interface shear on slopes Speak to our team about specifying a barrier system for your project. Call +27 31 717 2300 | Visit www.kaytech.co.za #Kaytech #EnviroFix #GCL #IrrigationDam #HydraulicBarrier

Cut slopes and the basin floor for a new reservoir required a lining that could resist hydraulic shear and prevent soil loss during filling and drawdown. Kaytech’s Multi-Cell® PP geocell was expanded over the prepared surface and infilled to form a stable, confined lining suited to the design velocities and maintenance conditions. • Prevents erosion and slumping on slopes and the basin floor • Confinement improves bearing capacity and accommodates minor settlement • Compatible with concrete, soil, or stone infill for project-specific performance Speak to our team about specifying Multi-Cell® PP geocell for your project. Call +27 31 717 2300 | Visit www.kaytech.co.za #Kaytech #MultiCell #Geocells #ReservoirConstruction #ErosionControl

On the N3 Paradise Valley to Westville upgrade, maintaining layer integrity beneath the new road formation was essential. The design required a robust separation layer to prevent the upward migration of fines from the subgrade into the drainage stone, a common cause of differential settlement and reduced pavement performance. Kaytech’s bidim® nonwoven geotextile was installed as the separation layer, ensuring a clean interface between the fill and drainage materials to preserve foundation strength and drainage efficiency. Key benefits: • Prevents intermixing between soil and drainage aggregate • Maintains uniform load support and layer thickness • Extends service life of the pavement structure For tailored guidance on geotextile selection for roadworks, contact our technical team. +27 31 717 2300 www.kaytech.co.za #Kaytech #Geosynthetics #Separation #RoadUpgrade #RoadRehabilitation

This Kaybion® spillway was constructed to safely channel and dissipate stormwater energy, preventing downstream erosion and maintaining embankment stability. The stepped configuration allows the structure to reduce flow velocity while providing robust hydraulic control. Kaybion® units form a flexible and permeable structure that adapts to ground movement, ensuring long-term performance and resilience in high-flow conditions. This makes it an effective alternative to rigid concrete systems. Key benefits: • Controls erosion through energy dissipation • Maintains structural integrity under variable flows • Flexible and durable under settlement and scour conditions For guidance on designing hydraulic and retaining structures with our Kaybion® baskets/mattresses, contact our technical team. Tel: +27 31 717 2300 | www.kaytech.co.za #Kaytech #Kaybion #ErosionControl #HydraulicEngineering #SpillwayDesign #Geosynthetics

Steep earth embankments require durable retaining structures to resist heavy lateral earth pressures and prevent progressive slope failure. Kaytech’s Kaybion® baskets provide an adaptable gravity retaining system. Fabricated from heavily galvanized, double-twisted hexagonal wire mesh, these modular units withstand structural shifting while enabling natural drainage to eliminate destabilising hydrostatic pressure. - High flexibility allows the system to tolerate differential subgrade settlement. - Permeable rock infill prevents water logging and pressure buildup. - Double-twisted mesh prevents unravelling if individual wires are cut. Speak to our team about reinforcing your next project. Call +27 31 717 2300 | Visit www.kaytech.co.za #Kaytech #Geosynthetics #RetainingStructures #EarthRetention #CivilEngineering

Unstable earth cut slopes and high lateral pressures pose serious containment and safety risks to transport alignments. Kaytech’s Kaybion® baskets provide a robust, flexible gravity retaining solution. Fabricated from heavily galvanized, double-twisted hexagonal steel wire mesh, these modular units withstand significant structural shifting while facilitating natural drainage to eliminate hydrostatic pressure buildup. High flexibility accommodates differential subgrade settlement without structural rupture. - Porous stone infill allows free drainage to prevent hydrostatic pressure buildup. - Double-twisted mesh design prevents unravelling if individual wires are damaged. Speak to our team about reinforcing your next project. Call +27 31 717 2300 | Visit www.kaytech.co.za #Kaytech #Geosynthetics #RetainingStructures #EarthRetention #CivilEngineering