Upgrading of Existing Oxidation Ponds 2026

Upgrading of Existing Oxidation Ponds 2026

Job Details

• Project Title: Edenville/Ngwathe: Upgrading of Existing Oxidation Ponds
• Tender Number: NLM: TEC-01/06/2026
• Employer: Ngwathe Local Municipality
• Tender Type: Request for Bid (Open Tender)
• Tender Category: Civil Works Services, Construction and Maintenance of Dams and Reservoirs, Water Treatment Equipment, Supplies and Services
• Project Location: Edenville / Parys
• CIDB Grading Required: 7 CE or higher
• Compulsory Briefing Meeting: 22 June 2026 at 10:00
• Tender Closing Date: 17 July 2026 at 12:00
• Project Objective: To upgrade the existing oxidation ponds to improve wastewater treatment capacity, operational efficiency, environmental compliance, and service delivery while promoting local economic development and employment.

Job Description

The successful contractor will be responsible for upgrading the existing oxidation pond system at Edenville. The project includes constructing new wastewater treatment infrastructure, rehabilitating existing ponds, installing associated civil works, improving operational facilities, and ensuring compliance with engineering, environmental, and health and safety standards.

The contractor will provide all labour, materials, equipment, supervision, and project management required to complete the works while promoting local labour participation and enterprise development through labour-intensive construction methods.

Key Responsibilities

• Construct new inlet works, including screening and grit removal facilities.
• Install flow measurement systems.
• Construct two new anaerobic ponds with HDPE lining.
• Install sludge draw-off and sludge management systems.
• Upgrade and reshape existing oxidation ponds.
• Convert existing ponds to meet aerobic and facultative treatment requirements.
• Construct chlorination channels.
• Upgrade the maturation pond.
• Construct sludge drying beds.
• Build stormwater diversion channels.
• Upgrade access roads within the treatment works.
• Construct berms and erosion protection structures.
• Install perimeter security fencing and access gates.
• Construct an operations building.
• Provide staff facilities and training areas.
• Supply all construction materials, labour, plant, and equipment.
• Supervise construction teams and subcontractors.
• Ensure quality assurance and quality control throughout the project.
• Implement Occupational Health and Safety (OHS) requirements.
• Implement environmental management and pollution control measures.
• Ensure compliance with Environmental Management Plans (EMP).
• Coordinate community liaison and stakeholder engagement.
• Promote local employment and enterprise development.
• Implement labour-intensive construction methods in accordance with EPWP principles.
• Prepare detailed construction records and progress reports.
• Produce design documentation and as-built drawings.
• Obtain required engineering approvals.
• Complete testing, commissioning, and final project handover.

Requirements

Minimum Requirements

• Valid CIDB Grade 7 CE registration or higher.
• Demonstrated financial capacity to execute the project.
• Attendance at the compulsory briefing meeting.
• Ability to comply with all tender specifications and contractual obligations.
• Capacity to complete the project within the required timeframe.
• Compliance with all environmental, quality, and safety requirements.

Technical Requirements

• Construction of wastewater treatment ponds.
• Installation of HDPE liners.
• Construction of inlet works and screening facilities.
• Construction of grit removal systems.
• Installation of flow measurement systems.
• Construction of concrete channels.
• Stormwater management infrastructure.
• Sludge management systems.
• Construction of sludge drying beds.
• Road construction and rehabilitation.
• Earthworks and excavation.
• Installation of fencing and access control.
• Construction of operational buildings.
• Preparation of engineering drawings and as-built documentation.
• Compliance with wastewater treatment design specifications.
• Environmental management implementation.
• Quality assurance and quality control.
• Health and safety compliance.

Personnel Requirements

Project Manager

• BSc or BTech in Civil Engineering or Construction Management (NQF Level 7).
• Minimum of 5 years’ relevant experience.
• Experience managing large civil engineering and wastewater infrastructure projects.

Site Agent

• National Diploma in Civil Engineering (NQF Level 5).
• Registered with Engineering Council of South Africa (ECSA).
• Minimum of 5 years’ relevant experience.

Foreman

• NQF Level 4 qualification.
• Relevant civil construction experience.

Construction Manager

• Competent and registered in accordance with Construction Regulations.
• Full-time appointment for the duration of the project.

Safety Officer

• Registered and competent in Occupational Health and Safety.
• Responsible for implementing health and safety management systems.

Skills and Competencies

• Civil engineering construction.
• Wastewater treatment infrastructure construction.
• Project management.
• Construction planning and scheduling.
• Labour-intensive construction methods.
• Site supervision.
• Team leadership.
• Quality assurance and quality control.
• Occupational health and safety management.
• Environmental management.
• Risk management.
• Community liaison and stakeholder engagement.
• Contract administration.
• Cost control and budgeting.
• Resource management.
• Technical reporting.
• Problem-solving.
• Communication and interpersonal skills.
• Time management.
• Decision-making.

Preferred Experience

• Wastewater treatment works construction.
• Oxidation pond construction and rehabilitation.
• Municipal infrastructure projects.
• Water and sanitation projects.
• Earthworks and bulk civil engineering.
• Stormwater infrastructure.
• Environmental rehabilitation.
• EPWP labour-intensive construction projects.
• Community development and local enterprise participation.
• Public sector construction contracts.

Compliance Requirements

• Valid CIDB Grade 7 CE registration.
• Compliance with Occupational Health and Safety Act and Construction Regulations.
• Compliance with Environmental Management Plan (EMP).
• Compliance with environmental legislation and pollution control requirements.
• Compliance with wastewater treatment design standards.
• Compliance with municipal procurement requirements.
• Compliance with EPWP requirements for local employment and skills development.
• Compliance with engineering specifications and quality standards.
• Preparation and submission of approved design and as-built drawings.
• Adherence to project timelines, safety standards, and contractual obligations.