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Warehouse Stability Resolved in South Geelong

Project Overview:

Warehouse stability is essential for businesses that rely on it for storage and operations. This case study explores the successful remediation of a 63m x 25m warehouse that had subsided by 70mm due to water flowing under the internal slab from a neighboring property. The project involved the use of a combination of injection materials, specifically SJ-60 and SJ-40, to lift and stabilize the slab, with the entire operation completed in just seven days.


The warehouse, a vital asset for the business, experienced subsidence issues attributed to poor drainage and water infiltration from a neighboring property. This led to uneven flooring, cracking in the concrete slab, and operational disruptions. A swift and effective solution was urgently required to restore the warehouse's structural integrity and business operations.

Project Scope:

  1. Site Assessment: The project commenced with a detailed site assessment. It revealed that water from the neighboring property had been infiltrating beneath the internal slab, causing soil erosion and uneven settlement.

  2. Solution Design: A specialized solution was designed to address the subsidence issue. It involved the use of a combination of injection materials, SJ-60 and SJ-40, to raise and stabilize the affected areas of the warehouse's internal slab. This approach was chosen for its effectiveness in addressing subsidence due to soil erosion.

  3. Implementation: The injection works commenced promptly and were carried out efficiently over a seven-day period. Injection points were strategically located to lift and level the slab, focusing on areas with the most significant subsidence.

  4. Quality Control: Throughout the project, real-time monitoring of subsidence levels and slab stability was conducted to ensure that the remediation efforts were achieving the desired results. Quality control checks were rigorous to guarantee the long-term integrity of the warehouse.


Several challenges were encountered during the project:

  1. Neighbor Cooperation: Coordinating with the neighboring property owner to address the source of water infiltration required diplomacy and cooperation.

  2. Timeline: The need for swift remediation to minimize operational disruptions added pressure to adhere to the seven-day timeline.

  3. Environmental Considerations: Ensuring that the injection materials used were environmentally friendly and met all regulations was a priority.


Upon the completion of the project, the following results were achieved:

  1. Subsidence Remediation: The combination of SJ-60 and SJ-40 injection effectively lifted and stabilized the warehouse's internal slab, eliminating the 70mm subsidence issue.

  2. Structural Integrity: The warehouse regained its structural stability, ensuring that it was safe for operations and storage.

  3. Operational Continuity: With the subsidence issue resolved within the seven-day timeframe, business operations resumed without prolonged disruptions.


This case study underscores the successful remediation of a subsided warehouse caused by water infiltration from a neighboring property. The strategic use of SJ-60 and SJ-40 injection materials, along with efficient project management, allowed for a swift and effective solution. The restoration of the warehouse's structural integrity ensured the continuity of business operations, demonstrating the importance of timely and proficient subsidence remediation in the industrial sector. This case study serves as a testament to the efficacy of injection-based solutions in addressing subsidence challenges.

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