Freeze dryer area floor levelling

RFQ/OBP134/2026/27

2026-08-03 11:30

Tender Closed on: 2026-08-10 16:00

Onderstepoort Biological Products Limited

1 GB

Building Upgrades, Refurbishments and Maintenance, Carpeting, Tiling and Floor Covering

Gauteng, Pretoria

Onderstepoort Biological Products Limited

Onderstepoort Biological Products Limited Tenders

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Tender Description: Clean and Grind: Thoroughly remove all dust and loose debris. Diamond grinding or shot-blasting the concrete opens the pores and provides the necessary texture for the compound to grip. Patching: Fill deep holes, divots, or active cracks with a heavy-duty concrete repair mortar and let it cure. Prime: Apply a primer specifically designed for the SLC. This seals the porous concrete and stops it from sucking the moisture out of the self-levelling mix too quickly, which prevents cracking.

Information:

Contact:Quotations should be submitted online

For futher enquiries please contact: 012 522 1500

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Tender URL: https://eprocurement.obpvaccines.co.za/Opportunities/Details?Id=33ee5a99-058b-476a-9ddd-19a2d19806be

Application URL: https://eprocurement.obpvaccines.co.za/Suppliers/Bids/Add?id=33ee5a99-058b-476a-9ddd-19a2d19806be


Tender Summary

Objectives

The primary objective of this tender is to appoint a supplier to provide floor levelling services for the freeze dryer area, specifically involving floor epoxy application and surface preparation, ensuring a smooth, level, and durable surface suitable for the operational requirements of the facility.

Scope

The scope of work includes:

  • Preparation of approximately 9m² of concrete surface by removing debris and roughening the surface via diamond grinding or shot-blasting.
  • Application of a heavy-duty concrete repair mortar and sealing with SLC to prevent moisture absorption.
  • Mixing and applying self-levelling epoxy powder into water, allowing activation, and pouring in continuous overlapping bands.
  • Guiding the epoxy to the desired thickness and using a spiked roller within 5 minutes to eliminate trapped air bubbles.
  • Allowing the surface to cure for 24 to 48 hours before priming and applying the epoxy topcoat.

Technical Requirements

The technical requirements include:

  • Compliance with the specified surface preparation procedures.
  • Proper mixing of self-levelling powder with water, following manufacturer instructions.
  • Application of epoxy in a continuous manner, ensuring a smooth, flat finish.
  • Use of appropriate tools such as spiked rollers and spiked shoes during application.
  • Adherence to curing times before proceeding with priming and topcoat application.
  • Provision of safety documentation, including a safety file prior to commencement.

Skills Requirements

The successful bidder must demonstrate:

  • Experience in surface preparation and epoxy floor applications, preferably in similar industrial or biological facility environments.
  • Capability to perform diamond grinding or shot-blasting on concrete surfaces.
  • Proficiency in mixing and applying self-levelling compounds and epoxy coatings.
  • Knowledge of safety protocols and PPE requirements for working in controlled environments.
  • Ability to provide proof of previous similar supply or service within the last 24 months, including signed invoices, delivery notes, or reference letters.
This summary is AI generated. Download the tender documents for all the information.

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