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Improving Structural Stability to a 26,000 Sq. Ft. Commercial Warehouse
Project Summary: A commercial tire wholesaler faced significant foundation settlement at its 26,000-square-foot facility, creating structural instability and operational hazards that required immediate attention. Through advanced diagnostics, 66 deep-driven steel piers, tunneling, and precision mud jacking, Pinnacle improved structural integrity, achieved measurable elevation improvements, and completed the project with minimal disruption and long-term warranty protection.
Client: Commercial Tire Wholesaler
Client Industry: Automotive
Building Size: 26,000 sq. ft.
Foundation Repair Services: Steel Pier, Mud Jacking, Tunneling
Problem
The wholesaler operates out of a 26,000-square-foot commercial facility that began experiencing progressive foundation settlement, ultimately disrupting daily operations. The signs were evident: cracked walls and floors, uneven and sloping surfaces, and doors that no longer opened or closed properly. The newly framed office space was continuing to sink, raising serious concerns about structural integrity and long-term stability. In the warehouse, uneven flooring created operational hazards, with forklifts striking high and low spots during routine movement. The client was also mindful of prior plumbing issues that could be exacerbated by ongoing foundation movement.
With an active commercial space that depends on open floor access, the situation required a fast, minimally disruptive solution to support the building and help protect business continuity.
Solution
Pinnacle began with a comprehensive diagnostic process to fully understand the extent of the foundation movement. Using laser mapping technology, the team diagrammed the building’s walls for proper orientation, followed by a detailed floor survey with a Zip-Level Pro-2000 to collect relative elevation data and generate contour analysis reports. A Ground Penetrating Radar was then utilized to assess slab thickness and guide precise material placement.
Based on the findings, Pinnacle recommended installing 66 double-wall steel piers—driven to depths ranging from 16 to 75 feet—to mechanically lift and reinforce against downward movement. Due to limited access and the need to preserve warehouse space, the piers were installed through 378 feet of tunneling.
After elevations were corrected, mud jacking was performed to fill voids beneath the slab, and plumbing was tested throughout the process, allowing the team to quickly address several leaks discovered during tunneling. The entire project was completed in approximately two weeks, minimizing disruption to the client’s operations.
Outcome
The repairs delivered measurable structural improvements across the facility. Over a 9,000- square-foot area, the foundation was lifted nearly two inches, significantly improving overall floor elevation. In a more severe 1,000-square-foot section, the slab was raised from five inches low to within approximately one and a half inches of target elevation. Engineering inspections were approved following the lift, validating the integrity of the solution. After completing minor plumbing repairs and final mud jacking, the project wrapped with long-term warranties in place— allowing the client to move forward with confidence.
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