The Supply and Install 0,9mm Reinforced Polypropylene Geomembrane at the Namakwa Bws Project in the Northern Cape for Construction South Only Respondents with Cidb Grading 2ce or Higher Are Eligible to Bid.

WTE-0503 CS

2026-03-24 10:00

Tender Closed on: 2026-04-09 11:00

2 CE

Civil Works Services, Civil, Road, Sewer, Plumbing and Engineering Supplies, Geotextiles

Northern Cape, Springbok

Department of Water and Sanitation

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Tender Number: WTE-0503 CS
Department: Water and Sanitation
Tender Type: Request for Bid(Open-Tender)
Province: Northern Cape
Closing Date: Thursday, 09 April 2026 - 11:00
Place where goods, works or services are required: SPRINGBOK - STEINKOPF - SPRINGBOK -
Special Conditions: A COMPULSORY SITE MEETING WILL BE HELD AT CORNER OF GRANIET AND BRUG STREET, STEINKOPF BUILDING AND JOINERY, STEINKOPF, WATER AND SANITATION SITE OFFICES ON THE 24th of MARCH 2026 FROM 10:00 TILL 11:00 CO-ORDINATES - 29º15’50.92’’S AND 17º44’24.15E COMPILED
ENQUIRIES:
Contact Person: Quinton Jansen
Email: [email protected]
Telephone number: 021-872-0591
FAX Number: N/A
BRIEFING SESSION:
Is there a briefing session?: Yes Is it compulsory? Yes
Briefing Date and Time:
Briefing Venue: see in special conditions bellow

This tender is also available from www.etenders.gov.za


Tender Summary

Objectives

The primary objective of this tender is to supply and install a 0.9mm reinforced polypropylene geomembrane at the Namakwa BWS Project in the Northern Cape, specifically for Construction South. The project aims to enhance water infrastructure by providing a durable geomembrane solution that meets specified technical standards.

Scope

The scope includes:

  • Supply of 0.9mm reinforced polypropylene geomembrane with specified technical properties.
  • Installation of the geomembrane at the designated site, including all labour, machinery, and associated activities.
  • Compliance with project specifications, standards, and quality assurance requirements.
  • Coordination of delivery, offloading, and site preparation activities.

The work is confined to the Namakwa BWS Project site in the Northern Cape, with specific reference to the Doringwater pump station location and associated site access conditions.

Technical Requirements

The geomembrane must adhere to the following specifications:

  • Material: UV-stabilised, chemically inert polypropylene copolymer with high-strength polyester reinforcement.
  • Nominal thickness: 0.9mm
  • Mass per unit area: 0.73 kg/m²
  • Carbon black content: 2% - 15%
  • Flexibility: -40°C
  • Tensile strength: ≥890N (grab)
  • Tensile elongation: ≥22% (grab)
  • Tear resistance: ≥245N
  • Puncture resistance: ≥335N
  • Ply adhesion: ≥2.6 N/mm²
  • Seaming: High-performance hot wedge, hot air, or extrusion fillet seaming with shear strength ≥220N and peel strength ≥110N.
  • Installation: Performed with equipment compliant with SANS 10409 and aligned with GRI-GM13 standards.
  • Quality assurance: Weld maps and test records to be provided upon completion.

Skills Requirements

The tenderer must demonstrate:

  • Proven experience in the supply and installation of reinforced polypropylene geomembranes, with relevant technical datasheets and brochures.
  • Capability to execute seaming and welding operations according to specified standards and to perform on-site quality control testing.
  • Competence in site management, including logistics, site safety, and coordination with the Department’s representatives.
  • Compliance with all technical, safety, and environmental standards applicable to the installation process.
  • Ability to provide technical documentation, weld maps, and test records for quality assurance.
This summary is AI generated. Download the tender documents for all the information.

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