Refurbishment of Zastron Wastewater Treatment Works 2026
Job Details
- Job Title: Appointment of a Professional Services Provider for the Refurbishment of Zastron Wastewater Treatment Works (WWTW)
- Client: Municipal Infrastructure Support Agent (MISA)
On behalf of Mohokare Local Municipality - Tender Number: MISA/RZWWTW/FS/028/2025/26
- Tender Type: Request for Bid (Open Tender) – Professional Services
- Contract Duration: Project-based appointment with completion required by 30 November 2026
- Project Location: Zastron, Mohokare Local Municipality
Free State Province, South Africa
Project Purpose
The purpose of this project is to appoint a suitably qualified and experienced Professional Services Provider to refurbish and upgrade the Zastron Wastewater Treatment Works (WWTW). The refurbishment aims to restore full operational functionality, address regulatory non-compliance, improve treatment efficiency, and ensure environmental sustainability in line with applicable legislation and standards.
Scope of Professional Services
The appointed service provider will deliver end-to-end professional services, including but not limited to the following:
1. Planning and Investigations
Review of existing project information and historical data
Detailed site investigations and condition assessments of existing infrastructure
Identification of non-compliance and operational deficiencies
2. Design and Documentation
Development of detailed engineering designs for refurbishment and upgrades
Preparation of technical specifications, drawings, and tender documentation
Cost estimates and project programming
Design in accordance with NEC3 Engineering – Professional Services Option A
3. Refurbishment and Upgrade Components
Refurbishment of:
Oxidation and stabilization ponds
Activated sludge systems
Tanks, channels, and hydraulic structures
Civil, mechanical, and electrical upgrades including:
Installation of flow meters
Construction/refurbishment of grit channels
Installation of pumps, transformers, electrical panels, and control systems
Integration of solar power systems where applicable
4. Contract Administration and Site Supervision
Administration of construction contracts
Full-time or part-time site supervision as required
Quality assurance and monitoring of contractor performance
Management of variations, claims, and progress reporting
5. Compliance and Approvals
Ensuring compliance with:
Environmental legislation
Water and sanitation regulations
Occupational Health and Safety Act
Municipal and national standards
Assistance with obtaining all necessary permits and approvals
6. Project Management and Close-Out
Monitoring project progress against time, cost, and quality targets
Coordination with MISA, Mohokare Local Municipality, and stakeholders
Practical completion, commissioning, and handover
Preparation of as-built drawings and completion reports
Technical and Contractual Requirements
Compliance with South African engineering standards and codes
Application of NEC3 Engineering Professional Services Contract – Option A
Integration of sustainable and energy-efficient solutions where feasible
Delivery of the project within approved budgets and timelines
Skills and Experience Requirements
The Professional Services Provider must demonstrate:
Registration of key personnel with ECSA (Civil, Electrical, and/or Mechanical Engineering)
Minimum 7–10 years’ experience in water and wastewater treatment projects
Proven experience in:
Refurbishment and upgrading of WWTW infrastructure
Design and supervision of activated sludge and pond systems
Multidisciplinary engineering coordination
Strong capability in:
Project management
Contract administration
Technical reporting and stakeholder engagement
Sound knowledge of:
South African environmental legislation
Health and safety regulations
Municipal infrastructure standards
Briefing Session
Compulsory briefing session
Date: 27 January 2026
Time: 10:00 AM
Venue: Mohokare Local Municipality Offices, 1 Hoofd Street, Zastron