Heavy Lifting, Lowering & Sliding Structural Technologies

Engineered Solutions for Complex Lifting Challenges

For projects where cranes or conventional handling equipment are impractical due to excessive weight, dimensions, or space limitations, STRUCTURAL TECHNOLOGIES’ VSL Heavy Lifting System offers an effective solution. Our method utilizes hydraulic equipment to maneuver and position large structural components. The lift is executed with precision using multiple jacks and a reliable wedge and strand system, ensuring a controlled and safe operation. Additionally, we provide monitoring equipment for real-time feedback on conditions and jack operations.

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STRUCTURAL TECHNOLOGIES is the exclusive manufacturer of VSL post-tensioning products and construction systems in the United States. Our manufacturing facilities in the United States are certified by PTI’s Plant Certification Program to ensure the highest quality fabrication of materials.

Turnkey Services

STRUCTURAL TECHNOLOGIES / VSL offers a complete range of services for the planning, engineering, equipment supply and execution of any heavy lifting project, including:

Feasibility studies
Project design and planning, equipment specification, scheduling and budgeting
Design and supply of special equipment and temporary structures
Field supervision and support technicians

Controlled Lifting Equipment

Our heavy-lifting jacks and pumps can be operated either manually or by remote control with precision-controlled movements. Such precision is achieved by specially-designed, computer-based monitoring equipment to centrally control the lift.

The equipment we provide includes a large selection of hydraulic jacks, pumps, control units, monitoring systems and lifting/jacking frames. Together, they provide the capability and flexibility to perform virtually any lifting, lowering or sliding operation.

How Heavy Lifting Works

The process of a heavy lift is very well-orchestrated – with all steps and details planned in advance. The lift begins with the lifting unit in an extended position (1), the upper anchorage engaged (2) and the lower anchorage disengaged. At the upper end of the stroke, the piston is retracted and the load is transferred to the lower anchorage while the upper anchorage is disengaged (3). The piston is then lifted for the next lifting step (4).

All steps of the lift are monitored, along with the movement during each lift. Lifting units are operated by STRUCTURAL TECHNOLOGIES / VSL operators or training can be provided and trial runs performed to ensure a successful lift.

Post-Tensioning Engineering Support

STRUCTURAL TECHNOLOGIES’ post-tensioning specialists are committed to bringing innovation to complex projects. Our in-house design professionals have extensive experience in structural design and are active members of technical organizations such as the Post Tensioning Institute (PTI) and the American Concrete Institute (ACI).