Provision of Maintenance and Repairs to Wastewater Treatment Works in the Staff Village at Diepwalle Section of Garden Route National Park

RFQ No.11080/GRNP/2026-27

See details below or the tender documentation

Tender Closed on: 2026-04-30 11:00

South African National Parks

2 CE

Civil Works Services, Repair, Service and Maintenance of Machinery and Equipment, Water Treatment Equipment, Supplies and Services

Knysna, Western Cape

South African National Parks

South African National Parks Tenders

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Garden Route National Park

Documents

  • RFQ document

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How To Apply

Bid Submission

Email: [email protected]

Closing Date

30 April 2026 at 11:00 AM

Tender Summary

Objectives

The primary objective of this tender is to appoint a reputable service provider to carry out maintenance and repairs to the wastewater treatment works located in the staff village at Diepwalle section of Garden Route National Park.

Scope

The scope of work includes:

  • Maintenance and repairs of wastewater treatment infrastructure, including shafts, spiders, through rods, and bearings.
  • Quarterly routine maintenance of the Wastewater Treatment Works (WWTW) over a 12-month period.
  • De-sludging of septic tanks prior to commissioning.
  • Discharge water quality testing post-commissioning, conducted by SANAS-approved laboratories.
  • Work conducted in an eco-sensitive area with precautions to limit wastage.
  • Specific project specifications based on SANS 1200 standards and GCC 2015 contractual frameworks.

Technical Requirements

The technical requirements encompass:

  • Standardized specifications for biological discs: 2 meters in diameter, 10mm thick, made from polyurethane plastic with <5% water absorption, with integral spacers for 15mm spacing.
  • Discs to be complete with spacers and fastenings, supporting aerobic biological conditions.
  • Energy requirement per rotor: 0.75kW, with each rotor containing approximately 130 discs.
  • Fabrication of rotor shafts from reinforced mild steel, fitted with high-grade axel-steel stub shafts, epoxy-coated for corrosion protection.
  • Fabrication of spiders from 8mm mild steel plates with galvanized arms, finished with epoxy paint.
  • Mounting of rotors on self-aligning sealed plumber block bearings, with grease points.
  • Drive units: direct shaft-mounted geared electric motors rated for 3-4 rpm, capable of 24/7 operation, with fastening torque plates.
  • Electrical equipment checks: protection systems, circuit breakers, and motor controls.
  • Compliance with South African water quality standards for treated water.

Skills Requirements

The successful bidder must demonstrate:

  • Technical expertise in wastewater treatment plant maintenance and repairs.
  • Experience with bio-filter systems, mechanical fabrication, and electrical systems.
  • Ability to operate in environmentally sensitive areas with appropriate safety and ecological precautions.
  • Knowledge of relevant standards (SANS 1200, GCC 2015) and compliance with health and safety regulations.
  • Capacity to perform routine and emergency maintenance, including water quality testing and sludge management.
  • Proficiency in documentation, reporting, and adherence to contractual and legislative requirements.
This summary is AI generated. Download the tender documents for all the information.

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