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    Mintek Invites Bids for Generator Farm Civil Works in Randburg

    MoBy No Comments3 Mins Read

    Mintek has issued an open tender for the construction of a generator farm at its Randburg premises in Gauteng. This project forms part of the organization’s critical infrastructure development to ensure reliable emergency power supply for its operations .

    Tender Overview

    Tender Number: MTK 10/2026
    Organ of State: Mintek
    Tender Type: Request for Bid (Open-Tender)
    Province: Gauteng
    Closing Date: 09 October 2026 at 12:00
    Location: 200 Malibongwe Drive, Randburg

    A non-compulsory briefing session will be held on 18 September 2026 at 11:00 at the G4 Auditorium . All technical and procedural queries must be submitted in writing by 22 September 2026.

    Comprehensive Scope of Civil Works

    The project involves extensive civil engineering work executed in two phases, to be carried out on an operational facility . Key deliverables include:

    • Site Establishment and Earthworks: Contractor’s site compound set-up, bulk and restricted excavations for concrete plinths and transformer bays, with compaction of subgrade to 93% and 95% of modified AASHTO density
    • Concrete and Structural Works: Construction of reinforced concrete plinths for 14 container-mounted generators, a transformer bund, and a cable trench system using precast portal culverts, with 10MPa blinding and 30MPa structural concrete
    • Yard Surfacing and Drainage: Geotextile installation, 100mm crushed stone surfacing, and a 110mm PVC stormwater drainage system
    • Perimeter Security Fencing: Supply and installation of 2.4m high anti-climb galvanized mesh fencing with saw-tooth spikes, including a 5m sliding vehicle gate and a 1m pedestrian gate

    Mandatory Pre-Qualification Requirements

    Bidders must submit the following documents to be considered:

    • A valid letter of good standing with the Compensation Fund
    • Proof of CIDB grading (minimum 3CE) through the official register
    • Active professional registration for the Construction Manager (ECSA or SACPCMP)

    Evaluation Criteria

    Tenders will be assessed using the 80/20 preference point system . The functionality evaluation (100 points) requires bidders to score a minimum of 70 points to proceed. Company experience (50 points), resource experience (30 points), and commitment to project timelines (20 points) are the key evaluation areas.

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    Submission Guidelines

    All submissions must be made online via the Mintek Online Tender Box. Bids must be divided into three zip files: Compliance Documents, Tender Submission, and Financial Offer .

    Document Links:

    1. Download Main Tender Document
    2. Download Site Layout Drawing
    3. Download Concrete Details Drawing
    4. Download Rebar Details Drawing
    5. Download Bill of Quantities

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