An aluminum gantry crane from LGH.
Aluminum gantry cranes are popular because they are lightweight, portable, and versatile. Crews often use them for maintenance, equipment installation, confined space work, and temporary lifting applications where a fixed overhead lifting point is not available.
But even though aluminum gantry cranes are designed for portability and ease of use, they still require proper setup, inspection, and rigging practices. A small mistake during assembly or operation can create serious safety risks, including beam damage, load instability, equipment failure, or injury.
In this blog post, we’ll cover seven common aluminum gantry safety mistakes and how to avoid them.
A 2 ton Aluminum Gantry Crane rental from LGH.
Common aluminum gantry safety mistakes include point-loading the beam, using two gantries improperly, moving the load unevenly, setting up on an uneven surface, ignoring the load’s center of gravity, mixing incompatible components, and using incorrect or worn connection hardware.
To use an aluminum gantry safely, crews should follow the manufacturer’s instructions, verify all component capacities, inspect the gantry before use, rig the load correctly, and keep the load centered and controlled throughout the lift.
One common aluminum gantry mistake is wrapping a sling directly around the beam instead of using the proper trolley, beam clamp, or manufacturer-approved attachment method.
This can create a concentrated point load on the beam. Instead of distributing the load through the intended bearing area, the force focuses on one small section. That can damage, bend, or overload the beam. (Learn all about point loading in the this blog post.)
Do this instead: Use properly rated equipment approved for the gantry system. Make sure the load transfers through the correct lifting point and follows the manufacturer’s instructions for beam loading.
Workers on a jobsite, properly hoisting a load with an LGH Aluminum Gantry Crane rental.
Some crews may try to use two aluminum gantries together to lift one load without the proper monorail beam or engineered setup. This is often called improper bull rigging.
The problem is that two separate gantries may not share the load evenly. If the load shifts, one gantry can take more force than expected, creating instability, side loading, or tipping risk.
Do this instead: Use a proper monorail beam or approved system designed to connect multiple gantries. Confirm the setup, capacities, and load path before lifting.
Moving one gantry leg at a time while the gantry is under load can create dynamic forces and load swing. Even a small amount of uneven movement can shift the load, pull the trolley off center, or place unintended force on the frame.
This can destabilize the gantry and increase the risk of equipment damage or collapse.
Do this instead: Keep the load centered and controlled. When movement is allowed by the manufacturer and the application, move the system in a controlled, coordinated manner and avoid sudden starts, stops, or uneven leg movement.
Always measure the stability of a surface before setting up an aluminum gantry.
Aluminum gantries need a stable setup surface. A sloped, uneven, soft, or obstructed surface can cause the gantry to sit improperly, roll unexpectedly, or place uneven force on the legs and casters.
If one leg carries more load than the others, the system may become unstable before or during the lift.
Do this instead: Set up the gantry on a level, stable surface that can support the load and the gantry. Clear debris, check the travel path, and confirm the floor or ground conditions before lifting.
Every load has a center of gravity. If crews do not identify it before lifting, the load may tilt, shift, or swing once tension is applied.
This can create sudden movement and increase stress on the gantry, hoist, trolley, rigging, and load connection points. (Learn all about determining the center of gravity in this LGH blog post.)
Do this instead: Identify the load’s center of gravity before the lift. Rig the load so it remains balanced, centered, and controlled. Adjust the rigging plan before lifting if the load does not hang level.
An aluminum gantry system includes multiple components, such as legs, beams, plates, inserts, pins, bolts, trolleys, casters, and hardware. Mixing components with different capacities or from incompatible systems can create a weak point.
The system is only as strong as its lowest-rated component. For example, a higher-capacity beam does not make the full system higher capacity if the legs, casters, or connection hardware have lower ratings.
Do this instead: Use compatible components from the correct gantry system. Verify the rated capacity of the full assembly, not just one part.
Connection hardware plays a critical role in gantry safety. Incorrect, worn, damaged, or non-approved bolts, pins, or hardware can compromise the entire structure.
Even if the beam and legs are properly rated, the gantry may fail if the connections cannot handle the forces created during lifting or movement.
Do this instead: Use manufacturer-approved hardware only. Inspect bolts, pins, fasteners, inserts, and connection points before every lift. Do not substitute hardware or use damaged components.
Safe aluminum gantry use starts before the load leaves the ground. Crews should inspect the gantry, confirm component compatibility, verify capacity, evaluate the setup surface, check the load path, and review the rigging plan before lifting.
Before using an aluminum gantry crane, confirm:
Taking time to review these details can help reduce the risk of equipment damage, load movement, or unsafe lifting conditions.
LGH rents aluminum gantries and other portable lifting solutions for construction, maintenance, industrial, and confined space applications. Our rental specialists can help match the right gantry, hoist, trolley, and rigging equipment to your application.
Whether your project requires a lightweight aluminum gantry, a portable gantry crane rental, or other lifting equipment, LGH can help you select the right equipment for the job.
Aluminum gantries are valuable tools for temporary lifting, but they must be assembled, rigged, and used correctly. Common mistakes like point-loading the beam, using incompatible components, setting up on uneven surfaces, or ignoring the load’s center of gravity can create serious safety risks.
Before each lift, take time to inspect the equipment, verify the full system capacity, follow the manufacturer’s instructions, and confirm that the load is properly rigged and controlled.
For help choosing an aluminum gantry crane or portable lifting solution for your next project, contact LGH today or call 800-878-7305 to speak with a rental specialist.
LGH is North America’s largest single organization devoted exclusively to the provision of lifting and moving equipment for rent. LGH holds the most comprehensive inventory for hoisting, rigging, jacking, pulling, material handling, and safety equipment. With over 90,000 pieces, discover your next project solution at RentLGH.com.
