Tender for Tzaneen Dam Drilling and Grouting Works

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Description

APPOINTMENT OF A CONTRACTOR FOR DRILLING AND GROUTING WORKS FOR THE TZANEEN DAM PROJECT

What this tender is about

The Development Bank of Southern Africa (DBSA) is inviting bids for a contractor to undertake drilling and grouting works for the Tzaneen Dam Project. This is a Request for Bid (Open-Tender) process. The project is located in Limpopo Province. Key activities include drilling various types of holes, curtain and consolidation grouting, and water pressure tests. The contract duration is estimated at 6 months. A compulsory briefing session will be held on 16 September 2026. Bids must be submitted by 30 September 2026. Further details on scope, requirements, and submission procedures are available in the tender documents.

Scope of work

• Drilling and grouting works for the Tzaneen Dam Project, including preliminary and general establishment on site, and environmental management.(RFP134.2026 - unPriced BOQ.xlsx, sheet GROUTING unpriced)
• Setting up equipment for drilling grout and drainage holes, including percussion drilling rigs.
• Drilling of holes, including percussion drilling for grouting and exposing drain holes.
• Re-drilling of grouting holes.
• Performing water pressure tests.
• Curtain and consolidation grouting.
• Backfilling of exploratory boreholes, including new piezometer holes.

How to submit

• Bids must be submitted by 30 September 2026.

What is in the documents

• RFP134.2026 - unPriced BOQ.xlsx

  This document provides an unpriced Bill of Quantities for the Tzaneen Dam Project, detailing items related to dam wall grouting, including preliminary and general costs, health and safety management, environmental management, drilling, re-drilling, water pressure tests, grouting...

• GROUT HOLES AND LUGEON METHOD.xlsx

  This Excel file contains detailed reports and calculations for grout holes, specifically focusing on the Luigeon method. It includes data for multiple grout holes (G1 to G10), detailing hole depth, water test stages, testing times, gauge pressures, water injected, and remarks on...

Special conditions

Please visit the DBSA website and download tender document. There are two COMPULSORY Tender briefing sessions. Details found in tender document.

Tender documents (12)

• XLSRFP134.2026 - unPriced BOQ.xlsx
• PDFAnnexure A - Health & Safety Specifications - DBSA - Tzaneen Dam - Drilling & Grouting.pdf
• PDFRFP134.2026_Volume 2 Returnables.pdf
• PDF9368-331 R2.pdf
• XLSGROUT HOLES AND LUGEON METHOD.xlsx
• PDF9368-304 R2.pdf
• and 6 more

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