Supply and Delivery of Concrete Admixtures for Clanwilliam Dam.
Department of Water and Sanitation
In plain English
The Department of Water and Sanitation is procuring the supply and delivery of concrete admixtures for urgent works on the spillway for Clanwilliam Dam in the Western Cape. Bidders must be registered on the Central Supplier Database and comply with tax obligations.
Always check the official documentDescription
The Department of Water and Sanitation invites bids for the supply and delivery of concrete admixtures for the Clanwilliam Dam project in the Western Cape. The project requires the provision of 36,500 litres of Type G and 16,000 litres of Type B concrete admixtures. The successful bidder must also provide and maintain fully automatic dosing equipment and silo storage for three batching plants at the construction site. Deliveries must begin within four weeks of the first order. All products must be clearly labeled with manufacturing details and have a minimum shelf life of eight months upon delivery. Technical and safety data sheets are required for all materials. The contract requires fixed pricing for the duration of the project.
What you need to qualify
- CSD registration — Registration on the Central Supplier Database — required to do business with government.
- Registered company — An active CIPC-registered company in good standing.
- Tax clearance — A valid SARS tax compliance status (PIN) showing your tax affairs are in order.
Full requirements
- Valid CSD registration report
- Valid SARS Tax Compliance Status PIN
- CIPC company registration certificate
- Manufacturer supply confirmation letter (if bidder is not the manufacturer)
Contact & how to apply
Name: F. HAVENGA
Email: Havengaf@dws.gov.za
Phone: 027-050-0851
How to apply: Bids must be submitted in a sealed envelope clearly marked with the tender number and description. Deliver the envelope to the Bid Box located at the Entrance of the Training Centre, Department of Water and Sanitation, Construction South, Clanwilliam Dam Site, Old N7 Route.
Related tenders
Supply and Delivery of Ready-Mix Concrete for Canal Project.
The Department of Water and Sanitation invites bids for the supply and delivery of 660 cubic meters of 25 MPA/19MM ready-mix concrete for the Orange Vaal – Bucklands Canal rehabilitation in the Northern Cape Province. The contract duration is 4 months, with deliveries required on weekdays between 07:30 and 16:00. The concrete must comply with specific SANS standards and mix design requirements. Bidders must offer technical support, including site visits within 24 hours and product replacement within 48 hours. The tender will be evaluated using an 80/20 preference point system. Closing date for submissions is 17 September 2026 at 11:00.
Supply and delivery of ready-mix concrete for canal project.
The Department of Water and Sanitation invites bids for the supply and delivery of 660 cubic meters of 25Mpa/19mm ready-mix concrete for the Bucklands Canal Rehabilitation in the Northern Cape. The contract duration is four months, with deliveries required on weekdays between 07:30 and 16:00, excluding public holidays. The concrete must meet SANS 50197 and SANS 878 standards using approved CEM I or CEM II cement. Bidders must provide a delivery schedule within five working days of contract signing and begin deliveries within seven working days of receiving an order. Pricing must be firm and include transport and labor costs. A 10% performance security is required.
Supply and delivery of plaster sand to Ntabelanga Dam.
The Department of Water and Sanitation seeks bids for supplying and delivering 1500 tons of plaster sand to Ntabelanga Dam near Maclear, Eastern Cape. The contract is for up to 12 months, with orders as needed. Sand must meet grading and quality standards, free from silt and clay. Delivery is required within 14 days of order, with on-site technical support within 24 to 48 hours if needed. Transport vehicles must comply with the Road Traffic Act. Payment is monthly via electronic transfer upon submission of tax invoices and delivery notes.
Supply and Delivery of Structural Elements for Pipeline.
The Department of Water and Sanitation invites bids for supplying and delivering structural components for the Namakwa Bulk Water Supply Scheme in the Northern Cape. The project requires galvanized support bracket straps, chemical anchoring systems, dispensing guns, and high-strength cementitious grout for pipeline infrastructure. Deliveries are to be made to the DWS Construction South office in Steinkopf. The successful bidder must start delivery within 10 working days of the first order. This project supports the refurbishment of the Henkriesmond to Orange River pipeline. Prices must be all-inclusive, covering transport costs, with no provision for price escalations. The offer must remain valid for 120 days from the closing date of 3 September 2026.
Supply and delivery of river sand to Ntabelanga Dam.
The Department of Water and Sanitation seeks bids for supplying and delivering 1500 tons of natural river sand to Ntabelanga Dam near Maclear, Eastern Cape. The sand must meet quality standards, including grading and low impurities. The contract is for 12 months, with deliveries within 14 days of order. The contractor must provide labor, vehicles, and equipment. A site briefing is on 25 August 2026. Bidders must meet technical specifications for construction suitability.
Supply and delivery of road construction materials.
The Victor Khanye Local Municipality seeks bids for the supply, delivery, and offloading of road construction materials, precast concrete products, and road furniture to maintain municipal roads and storm water drainage systems over 36 months. Deliverables include aggregates, sand, concrete pipes, paving, road signs, marking paint, and steel products. Bidders must show managerial capacity and experience, with a fixed-rate pricing schedule required. Submissions close on 14 September 2026.