Sewerage sector

Advanced Construction Capabilities

Our construction services focus on engineering excellence and operational longevity:

1. Intake and Jack Wells:

• Design: Incorporate energy-dissipating mechanisms for optimised water intake from varying sources.
• Construction: Use reinforced concrete and corrosion-resistant materials to enhance durability.

2. Zonal Pumping Stations and Pump Houses with Sumps:

• Process: Equip pump houses with submersible and vertical turbine pumps, ensuring seamless fluid transfer at varying head levels.
• Automation: Integrate SCADA systems for real-time monitoring and automated performance adjustments.

3. Primary Treatment Units:

• Features: Install grit chambers, sedimentation tanks, and pre-aeration basins for efficient solid separation.

4. Sequential Batch Reactor (SBR) Basins:

• Construction: Customise modular basins for flexibility in treating variable inflows.
• Operations: Use alternating aeration and settling cycles to optimise nitrogen and phosphorus removal.

I&D (Inception and Diversion) Works

Specialised expertise in rerouting existing sewer networks with minimal disruption:

• Planning: Use flow modelling and hydraulic assessments to determine optimal diversion paths.
• Execution: Implement trenchless technologies like horizontal directional drilling (HDD) to reduce environmental impact.

Electro-Mechanical Installation and Automation

We deliver precision-driven installations for high-performance infrastructure:

1. Screens and Classifiers:

• Install automated fine and coarse screens for debris removal and sludge dewatering.

2. Pumps and Panels:

• Implement energy-efficient motors and VFD-controlled pumps for optimised flow regulation.

3. Automation Systems:

• Deploy SCADA-integrated control panels with cloud-based monitoring capabilities for remote operation.
• Incorporate IoT-enabled sensors for parameters such as flow, dissolved oxygen, and sludge volume.

4. Centrifuges and Decanters:

• Install high-speed centrifuges for superior solid-liquid separation, ensuring maximum sludge recovery.

Innovative Sewage Treatment Technologies

We employ cutting-edge technologies to address diverse treatment requirements:

• Activated Sludge Process (ASP): Provides reliable secondary treatment using aerated bioreactors.
• Upflow Anaerobic Sludge Blanket Reactor (UASBR): Enables energy-efficient wastewater treatment with biogas recovery.
• Moving Bed Biofilm Reactor (MBBR): Uses biofilm carriers to enhance organic matter degradation in compact reactors.
• Membrane Bio Reactor (MBR): Combines biological treatment and membrane filtration for high-quality effluent.
• Sequential Batch Reactor (SBR): Ideal for treating variable wastewater loads with batch-wise aeration and clarification.

Operations and Maintenance Excellence

Our O&M services ensure sustained infrastructure performance:

• Preventive Maintenance: Use AI-enabled diagnostics to schedule maintenance and avoid unplanned downtimes.
• Performance Monitoring: Deploy automated systems for continuous tracking of key performance indicators (KPIs) such as nutrient removal efficiency, energy consumption, and sludge handling.
• Capacity Augmentation: Adapt systems to meet increasing demand through modular expansions and technology upgrades.

Adoption of Emerging Technologies

We stay ahead of industry trends by incorporating innovations that enhance efficiency and sustainability:

• Green Infrastructure Integration: Include bioswales and constructed wetlands to naturally treat stormwater.
• Energy Recovery Systems: Capture methane from anaerobic digestion for on-site energy generation.
• Cybersecurity: Fortify SCADA and IoT systems with end-to-end encryption and real-time threat monitoring to ensure data integrity.

Why Choose NIGEPL in the Sewer Industry?

• End-to-End Expertise: We specialise in all stages of sewerage infrastructure projects—from detailed surveys and designs to cutting-edge automation systems and maintenance.
• Adoption of Advanced Technologies: Leveraging the latest in sewer treatment technologies, including Membrane Bio-Reactor (MBR), Moving Bed Biofilm Reactor (MBBR), and Upflow Anaerobic Sludge Blanket Reactor (UASBR), we ensure efficient, sustainable treatment processes.
• Sustainability Commitment: Our projects integrate green infrastructure solutions like bioswales and constructed wetlands, reducing environmental impact while ensuring compliance with modern sustainability standards.
• Energy Efficiency: We focus on integrating energy recovery systems from anaerobic digestion and other technologies that reduce operating costs and carbon footprints.
• Comprehensive Automation: With our state-of-the-art SCADA and IoT systems, we offer smart, remote monitoring and real-time diagnostics, ensuring maximum operational efficiency.
• Long-Term Performance: Our advanced AI-driven maintenance schedules and diagnostic tools predict potential issues before they arise, ensuring consistent, reliable service.
• Proven Track Record: Backed by a portfolio of successful projects and a reputation for quality, we deliver on time, within budget, and to the highest standards of safety and compliance.