Wastewater Treatment Plant Rehabilitation and Process Upgrade Intensive Course

Course Introduction

Wastewater treatment plant rehabilitation and process upgrading are essential for restoring deteriorating infrastructure, improving treatment efficiency, meeting environmental discharge requirements, increasing operational reliability, and extending the service life of critical water and sanitation assets. Aging treatment facilities may experience declining equipment performance, hydraulic bottlenecks, excessive energy consumption, process instability, inadequate sludge handling, and difficulties meeting increasingly stringent effluent standards. The Wastewater Treatment Plant Rehabilitation and Process Upgrade Intensive Course provides a structured approach to assessing existing facilities, identifying performance deficiencies, selecting appropriate rehabilitation strategies, and delivering upgrades that improve treatment outcomes without unnecessary disruption to essential services. Participants will learn how to integrate engineering assessments, process optimization, capital investment planning, construction coordination, commissioning, and operational readiness into a coherent rehabilitation programme.

Effective rehabilitation begins with a detailed understanding of the plant's existing condition, design assumptions, operating history, influent characteristics, hydraulic capacity, treatment performance, and maintenance requirements. Facilities may have deteriorated because of corrosion, mechanical wear, electrical failures, instrumentation deficiencies, inadequate preventive maintenance, population growth, industrial wastewater loading, or changes in regulatory expectations. Participants will explore methods for conducting condition assessments, reviewing process flow diagrams, analyzing historical operating data, inspecting civil structures, evaluating equipment reliability, and identifying constraints across preliminary treatment, primary treatment, biological processes, tertiary treatment, disinfection, and sludge management. The course emphasizes evidence-based diagnosis, prioritization of critical defects, and the distinction between immediate maintenance needs, major rehabilitation works, process optimization opportunities, and investments that require fundamental redesign.

Process upgrading requires careful evaluation of treatment technologies, hydraulic performance, biological process stability, chemical dosing systems, energy consumption, sludge production, and effluent quality. Existing facilities may need improvements to aeration systems, clarifiers, biological nutrient removal, filtration, disinfection, sludge thickening, dewatering, or process automation. Participants will examine how to select upgrade options according to influent variability, required treatment performance, land availability, lifecycle costs, energy demand, operator capability, and future capacity requirements. The programme addresses conventional and advanced treatment approaches, including activated sludge optimization, sequencing batch reactors, membrane bioreactors, moving bed biofilm reactors, tertiary filtration, nutrient removal, and targeted reuse applications. Participants will learn how to compare alternatives systematically while accounting for process compatibility, implementation complexity, residuals management, and long-term operational sustainability.

Delivering rehabilitation works within an operating wastewater treatment plant presents significant technical and operational challenges. Existing treatment processes must often remain functional while contractors replace pumps, rehabilitate tanks, modify pipework, upgrade electrical systems, install new equipment, or integrate additional treatment stages. Poorly coordinated interventions can result in treatment interruptions, bypass events, uncontrolled discharges, occupational hazards, and environmental damage. Participants will develop practical approaches for sequencing rehabilitation activities, preparing temporary operating arrangements, coordinating shutdowns, managing contractor interfaces, controlling confined-space and biological hazards, and maintaining treatment continuity during construction. The course also covers procurement planning, construction supervision, quality assurance, change management, risk registers, commissioning preparation, and stakeholder coordination to help ensure that upgraded assets are delivered safely and integrated effectively with existing infrastructure.

Modern wastewater rehabilitation increasingly requires attention to resource efficiency, climate resilience, digital monitoring, environmental protection, and the circular economy. Rising energy costs, water scarcity, changing rainfall patterns, extreme weather events, and growing expectations for nutrient recovery and water reuse are influencing investment decisions across the wastewater sector. Participants will examine opportunities to reduce energy consumption through optimized aeration, efficient pumping, improved process control, and equipment modernization. They will also explore digital instrumentation, supervisory control and data acquisition systems, online sensors, laboratory information systems, predictive maintenance, and data-driven process optimization. Where technically and economically appropriate, the course considers biogas recovery, sludge resource recovery, reclaimed water production, and nutrient recovery, while emphasizing regulatory compliance, public health protection, and realistic assessments of operational capability.

By completing the Wastewater Treatment Plant Rehabilitation and Process Upgrade Intensive Course, participants will strengthen their ability to manage rehabilitation projects from initial diagnosis and feasibility assessment through detailed planning, construction, process integration, commissioning, and performance verification. They will gain practical knowledge of asset condition assessment, process troubleshooting, technology selection, hydraulic evaluation, environmental compliance, contractor management, operational risk control, and lifecycle cost analysis. Through applied exercises and realistic plant rehabilitation scenarios, participants will learn how to prioritize interventions, develop phased upgrade plans, coordinate multidisciplinary teams, and verify that rehabilitated facilities achieve defined treatment and reliability objectives. The course supports water utilities, municipalities, engineering organizations, consultants, and infrastructure operators seeking to improve wastewater treatment performance, protect receiving environments, extend asset life, and deliver more sustainable sanitation services.

Duration

10 days

Who Should Attend

• Wastewater treatment plant managers responsible for facility performance, rehabilitation planning, operational continuity, regulatory compliance, and long-term asset reliability.

• Civil, environmental, chemical, and process engineers involved in wastewater treatment plant assessment, rehabilitation design, process upgrades, and infrastructure improvement.

• Mechanical and electrical engineers responsible for pumps, blowers, mixers, motors, control panels, instrumentation, and other treatment plant equipment.

• Project managers coordinating wastewater infrastructure rehabilitation, treatment process modifications, equipment replacement, construction activities, and commissioning.

• Water utility executives and municipal infrastructure managers responsible for sanitation investments, treatment capacity, service continuity, and capital improvement programmes.

• Process control and automation specialists responsible for SCADA systems, programmable logic controllers, online instrumentation, process monitoring, and operational data management.

• Environmental compliance officers responsible for effluent monitoring, discharge permits, environmental performance, pollution prevention, and regulatory reporting.

• Operations and maintenance supervisors responsible for preventive maintenance, equipment reliability, troubleshooting, chemical management, and treatment process stability.

• Asset management professionals involved in infrastructure condition assessments, maintenance prioritization, lifecycle planning, capital budgeting, and rehabilitation strategies.

• Construction supervisors and contractors undertaking civil repairs, tank rehabilitation, pipework modifications, equipment installation, electrical upgrades, and site restoration.

• Procurement and contract management professionals coordinating technical specifications, equipment procurement, supplier performance, construction contracts, and quality assurance.

• Laboratory managers and wastewater quality specialists responsible for influent characterization, effluent testing, process control sampling, analytical quality, and performance verification.

• Health, safety, and environmental professionals managing confined-space entry, biological exposure, chemical hazards, electrical risks, construction safety, and environmental safeguards.

• Consultants and technical advisers supporting wastewater treatment feasibility studies, process optimization, technology selection, rehabilitation design, and implementation supervision.

• Development project professionals working with water utilities, municipalities, government agencies, engineering consultants, and development partners on sanitation infrastructure investments.

Course Objectives

• Develop a comprehensive understanding of wastewater treatment plant rehabilitation principles, including asset condition assessment, process diagnosis, upgrade planning, construction coordination, commissioning, and operational handover.

• Assess existing treatment facilities by examining structural integrity, equipment condition, hydraulic performance, process efficiency, influent characteristics, effluent quality, maintenance history, and regulatory obligations.

• Identify and prioritize rehabilitation needs using condition assessments, criticality analysis, failure history, operational risk, environmental consequences, remaining asset life, and lifecycle cost considerations.

• Evaluate treatment process upgrade options involving biological treatment, aeration, clarification, nutrient removal, tertiary filtration, disinfection, sludge processing, and process automation.

• Apply practical hydraulic and process assessment techniques to identify bottlenecks, improve treatment stability, manage influent variability, and determine the feasibility of increased treatment capacity.

• Develop phased rehabilitation plans integrating engineering design, procurement, construction sequencing, temporary operating arrangements, project schedules, budgets, stakeholder coordination, and risk controls.

• Strengthen construction and contract management capabilities for coordinating contractors, supervising technical works, verifying quality, controlling variations, and managing interfaces within operating treatment facilities.

• Apply environmental, health, and safety controls to rehabilitation activities involving confined spaces, biological hazards, hazardous chemicals, electrical systems, excavation, lifting operations, and treatment process interruptions.

• Establish commissioning and performance verification procedures covering equipment acceptance, instrumentation calibration, process startup, operational testing, effluent compliance, and demonstration of treatment objectives.

• Improve wastewater treatment plant energy efficiency and operational reliability through optimized aeration, efficient pumping, preventive maintenance, process monitoring, and targeted equipment modernization.

• Evaluate digital monitoring, SCADA integration, online sensors, predictive maintenance, water reuse, resource recovery, and other emerging technologies according to operational suitability and lifecycle value.

• Establish post-rehabilitation performance management systems that track treatment effectiveness, effluent compliance, energy consumption, equipment availability, maintenance costs, sludge management, and long-term asset sustainability.

Comprehensive Course Outline

Module 1: Fundamentals of Wastewater Treatment Plant Rehabilitation

• Examine the objectives, scope, and drivers of wastewater treatment plant rehabilitation, including aging infrastructure, equipment deterioration, increased influent loading, regulatory changes, and declining treatment performance.

• Distinguish between routine maintenance, corrective repairs, asset refurbishment, process optimization, capacity expansion, and major treatment plant reconstruction.

• Review the wastewater treatment lifecycle, including preliminary treatment, primary treatment, biological treatment, tertiary processes, disinfection, sludge management, and final effluent discharge or reuse.

• Establish a structured rehabilitation management framework covering diagnosis, prioritization, feasibility assessment, engineering, procurement, construction, commissioning, performance verification, and operational handover.

Module 2: Plant Condition Assessment and Infrastructure Diagnostics

• Conduct systematic assessments of civil structures, tanks, channels, foundations, buildings, access structures, pipework, drainage systems, and supporting infrastructure to identify deterioration and failure risks.

• Inspect mechanical assets such as pumps, blowers, screens, mixers, scrapers, valves, conveyors, and dewatering equipment using condition indicators and maintenance records.

• Evaluate electrical distribution, motor control centers, instrumentation, control panels, backup power systems, communication networks, and automation infrastructure for obsolescence and reliability issues.

• Develop condition assessment reports incorporating defect registers, photographs, equipment criticality, failure consequences, remaining service life, preliminary repair options, and recommended investigation priorities.

Module 3: Influent Characterization and Treatment Performance Evaluation

• Analyze influent flow patterns, peak hydraulic loads, organic loading, suspended solids, nutrients, pH, temperature, industrial contributions, and other parameters influencing treatment performance.

• Review historical influent and effluent monitoring data to identify seasonal variations, process instability, recurring compliance failures, unusual loading patterns, and deterioration in treatment effectiveness.

• Evaluate treatment performance using appropriate indicators such as biochemical oxygen demand, chemical oxygen demand, total suspended solids, ammonia, total nitrogen, total phosphorus, and microbiological parameters.

• Establish baseline performance measures and data validation procedures to distinguish genuine process deficiencies from sampling errors, instrumentation faults, laboratory limitations, or inconsistent operating practices.

Module 4: Hydraulic Capacity, Process Bottlenecks, and Plant Optimization

• Evaluate hydraulic profiles, channel capacities, pump curves, flow distribution, tank loading, clarifier performance, recycle streams, and other factors affecting the movement of wastewater through the facility.

• Identify hydraulic restrictions, short-circuiting, inadequate mixing, uneven flow distribution, excessive head losses, flooding risks, and other conditions that constrain treatment capacity.

• Apply process calculations and mass balance principles to evaluate organic loading, solids retention, hydraulic retention, recycle ratios, aeration requirements, and sludge production.

• Develop optimization measures that improve existing process performance before committing to major capital expenditure, including flow balancing, operating parameter adjustments, equipment refurbishment, and improved control strategies.

Module 5: Rehabilitation Strategy, Feasibility, and Investment Planning

• Define rehabilitation objectives, performance requirements, project boundaries, service constraints, and acceptance criteria based on the findings of plant condition and process assessments.

• Compare repair, replacement, refurbishment, process intensification, capacity expansion, and alternative technology options according to technical feasibility, risk, cost, and operational suitability.

• Develop preliminary capital and operating cost estimates covering engineering, equipment, construction, temporary facilities, commissioning, staff training, energy, chemicals, maintenance, and residuals disposal.

• Prepare phased investment plans supported by prioritization criteria, implementation schedules, affordability assessments, lifecycle cost comparisons, environmental considerations, and expected operational benefits.

Module 6: Treatment Process Upgrades and Technology Selection

• Evaluate options for improving activated sludge systems, sequencing batch reactors, moving bed biofilm reactors, membrane bioreactors, and other biological treatment configurations according to site-specific requirements.

• Assess aeration upgrades, diffused aeration systems, blower modernization, mixing improvements, return activated sludge controls, and waste activated sludge management for improved process efficiency.

• Examine advanced treatment options involving tertiary filtration, membrane separation, nutrient removal, ultraviolet disinfection, chemical disinfection, and other processes needed to meet defined effluent objectives.

• Apply structured technology selection criteria considering influent variability, treatment targets, available space, energy demand, operator skills, process resilience, maintenance needs, residuals management, and lifecycle cost.

Module 7: Civil, Mechanical, Electrical, and Instrumentation Rehabilitation

• Plan rehabilitation of concrete tanks, channels, foundations, access platforms, protective coatings, corrosion-affected structures, and other civil components using appropriate engineering assessments.

• Coordinate refurbishment or replacement of pumps, blowers, mixers, screens, scrapers, valves, pipework, lifting systems, and associated mechanical equipment.

• Evaluate electrical upgrades involving motor control systems, variable-frequency drives, power distribution, grounding, backup power, energy monitoring, and electrical protection.

• Upgrade instrumentation and control systems through appropriate flow meters, level sensors, pressure transmitters, online water quality instruments, control panels, and validated automation interfaces.

Module 8: Sludge Treatment, Residuals Management, and Resource Recovery

• Assess sludge generation, thickening, stabilization, dewatering, storage, transportation, and disposal arrangements to identify operational bottlenecks and environmental risks.

• Evaluate rehabilitation options for sludge pumps, gravity thickeners, dissolved air flotation units, digesters, centrifuges, belt filter presses, and associated polymer dosing systems.

• Examine sludge characterization, odor management, pathogen reduction, hazardous contaminant controls, and applicable requirements for safe handling, transport, treatment, and final disposal.

• Evaluate appropriate opportunities for biogas recovery, nutrient recovery, beneficial sludge use, and other circular economy approaches based on local regulations, market conditions, public health requirements, and demonstrated technical feasibility.

Module 9: Energy Efficiency, Chemical Management, and Operating Cost Reduction

• Establish energy baselines and assess consumption patterns across aeration, pumping, mixing, sludge processing, ventilation, disinfection, and other major plant loads.

• Identify energy efficiency opportunities through blower optimization, efficient pump selection, hydraulic improvements, motor upgrades, variable-frequency drives, and process control enhancements.

• Review chemical consumption, dosing accuracy, storage arrangements, feed systems, safety controls, procurement reliability, and process performance to identify avoidable operating costs.

• Develop energy and operating cost improvement plans with measurable targets, equipment requirements, implementation priorities, monitoring arrangements, and realistic savings assumptions.

Module 10: Rehabilitation Design, Specifications, and Procurement Management

• Translate assessment findings into rehabilitation design requirements, technical specifications, performance standards, equipment schedules, drawings, and measurable acceptance criteria.

• Coordinate multidisciplinary design interfaces involving civil, structural, mechanical, electrical, process, instrumentation, automation, environmental, and occupational safety requirements.

• Develop procurement strategies that consider supplier qualifications, equipment compatibility, lead times, local service capability, spare parts, warranties, and lifecycle support.

• Apply contract management controls for technical submittals, design reviews, procurement milestones, construction variations, claims, quality documentation, and supplier performance verification.

Module 11: Construction Planning and Treatment Continuity Management

• Develop construction sequencing plans that account for existing process configurations, hydraulic dependencies, operating constraints, equipment access, and critical treatment functions.

• Establish temporary bypasses, pumping arrangements, isolation procedures, contingency treatment measures, and phased cutover plans where technically permissible and appropriately authorized.

• Coordinate shutdowns, tie-ins, equipment replacement, tank isolation, pipework modifications, electrical outages, and process transitions to reduce disruption to treatment operations.

• Apply construction supervision, work permits, contractor coordination, environmental controls, inspection hold points, progress reporting, and escalation procedures to maintain safety and project delivery discipline.

Module 12: Environmental Compliance, Occupational Safety, and Risk Management

• Identify environmental risks involving untreated wastewater releases, process bypasses, effluent noncompliance, odor emissions, sludge spills, chemical releases, and disturbance of contaminated materials.

• Establish occupational safety controls for confined-space entry, toxic or oxygen-deficient atmospheres, biological exposure, hazardous chemicals, electrical isolation, lifting operations, and work at height.

• Develop project risk registers covering technical uncertainty, process interruption, equipment failure, procurement delays, contractor performance, cost escalation, and operational readiness.

• Integrate applicable permits, environmental monitoring, incident reporting, emergency response, stakeholder communication, and corrective-action requirements into rehabilitation planning and execution.

Module 13: Process Control, SCADA, Instrumentation, and Digital Upgrades

• Assess existing control architecture, programmable logic controllers, SCADA platforms, communications networks, alarm systems, data historians, and instrumentation for reliability and integration limitations.

• Develop appropriate monitoring strategies for flow, dissolved oxygen, pH, turbidity, conductivity, nutrient levels, tank levels, equipment status, energy use, and other relevant process variables.

• Evaluate digital control improvements such as automated aeration control, pump sequencing, chemical dosing optimization, alarm rationalization, and condition-based maintenance.

• Examine digital upgrade risks involving cybersecurity, obsolete hardware, incompatible protocols, data quality, instrument calibration, system backup, access management, and operator competency.

Module 14: Commissioning, Process Startup, and Performance Verification

• Develop commissioning plans covering mechanical completion, electrical verification, instrumentation calibration, control logic testing, equipment rotation, safety interlocks, and functional performance.

• Conduct equipment acceptance tests and integrated process trials to verify operating ranges, hydraulic performance, control responses, process stability, and conformity with approved specifications.

• Establish controlled startup and biological process stabilization procedures, including gradual loading where appropriate, sludge acclimatization, aeration adjustment, solids management, and monitoring of key process indicators.

• Verify post-upgrade performance against defined criteria for effluent quality, hydraulic capacity, equipment reliability, energy use, process stability, and applicable regulatory requirements before formal acceptance.

Module 15: Operational Readiness, Maintenance, and Asset Management

• Prepare operating procedures, maintenance schedules, emergency response arrangements, chemical handling instructions, process monitoring plans, and troubleshooting guidance for rehabilitated systems.

• Develop operator and maintenance staff training covering new equipment, process controls, safety requirements, routine inspections, abnormal conditions, and escalation procedures.

• Establish asset registers, equipment histories, spare-parts inventories, supplier support arrangements, warranty records, maintenance performance indicators, and lifecycle replacement plans.

• Implement post-commissioning performance reviews that assess equipment availability, recurring failures, treatment stability, maintenance costs, operator feedback, and outstanding corrective actions.

Module 16: Integrated Rehabilitation Project Simulation and Continuous Improvement

• Develop a rehabilitation plan for a representative wastewater treatment plant using condition assessment findings, performance data, process constraints, regulatory requirements, and investment priorities.

• Evaluate alternative process upgrade options through comparative technical analysis, preliminary cost estimates, operational risk assessment, lifecycle considerations, and implementation constraints.

• Simulate construction and commissioning challenges involving equipment delays, process interruptions, poor effluent performance, instrumentation faults, and unexpected structural defects, then develop coordinated responses.

• Prepare a final rehabilitation roadmap with defined milestones, responsibilities, risk controls, commissioning criteria, operational handover requirements, and performance indicators for long-term improvement.

Training Approach

This course will be delivered by our skilled trainers who have vast knowledge and experience as expert professionals in the fields. The course is taught in English and through a mix of theory, practical activities, group discussion and case studies. Course manuals and additional training materials will be provided to the participants upon completion of the training.

Tailor-Made Course

This course can also be tailor-made to meet organization requirement. For further inquiries, please contact us on: Email: training@upskilldevelopment.com Tel: +254 721 331 808

Training Venue 

The training will be held at our Upskill Training Centre. We also offer training for a group (at a discount of 10% to 50%) at requested location all over the world. The Onsite course fee covers the course tuition, training materials, two break refreshments, buffet lunch, airport transfers, Upskill gift package, and guided tour.

Visa application, travel expenses, dinners, accommodation, insurance, and other personal expenses are catered by the participant

Certification

Participants will be issued with Upskill certificate upon completion of this course.

Airport Pickup and Accommodation

Airport pickup and accommodation is arranged upon request. For booking contact our Training Coordinator through Email: training@upskilldevelopment.com, +254 721 331 808

Terms of Payment:

Unless otherwise agreed between the two parties’ payment of the course fee should be done 3 working days before commencement of the training so as to enable us to prepare better.