Objectives

The primary objectives of this tender are to:

• Review and verify existing detailed designs and documentation for the upgrade of Mashaeng Wastewater Treatment Works (WWTW) from 1 ML/day to 2.2 ML/day.
• Update designs to align with current standards, technologies, and regulatory requirements.
• Prepare updated cost estimates, drawings, and tender documentation for implementation.
• Provide professional supervision and contract administration during construction, testing, and commissioning phases.
• Ensure the upgraded plant achieves a reliable capacity of 2.2 ML/day with compliance to effluent standards.

Scope

The scope encompasses:

• Phase 1: Data review, site assessment, and gap analysis based on existing documentation and site conditions.
• Phase 2: Validation and updating of process, civil, structural, mechanical, electrical, instrumentation, and control designs.
• Phase 3: Preparation of tender documents and procurement support.
• Phase 4: Construction supervision, site inspection, quality assurance, and contract administration.
• Phase 5: Testing, commissioning, performance verification, and project close-out including as-built documentation and training.

Technical Requirements

The technical requirements include:

• Review and validation of original design drawings, reports, and BOQs.
• Design updates to biological, mechanical, civil, structural, electrical, and instrumentation systems for 2.2 ML/day capacity.
• Compliance with DWS, SANS, and municipal standards.
• Preparation of detailed design drawings, specifications, BOQ, and cost estimates.
• Procurement of necessary permits and environmental authorizations.
• Supervision of construction activities, quality control, and safety compliance.
• Supervision of testing, performance verification, and commissioning.
• Preparation of operation, maintenance manuals, and as-built documentation.

Skills and Experience Requirements

The tenderer must demonstrate:

• Proven experience in designing and upgrading wastewater treatment plants, especially similar capacity projects.
• Competence in reviewing and updating process, civil, structural, mechanical, electrical, and control systems.
• Experience in contract administration, site supervision, and project management under GCC, FIDIC, or NEC contracts.
• Qualified and registered professionals, including Pr Eng or Pr Tech Eng with at least 10 years’ experience, and specialists in relevant disciplines.
• Capability to prepare and manage environmental and health & safety plans, including obtaining permits and authorizations.
• Demonstrated ability to coordinate stakeholder engagement, community liaison, and Targeted Enterprise involvement.
• Proficiency in project planning, risk management, quality assurance, and documentation control.
• Provision of qualified key personnel with relevant certifications, CVs, and experience records.