Warehouse Solutions
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Pallet Rack Capacities

Learn how to accurately determine pallet rack capacities and prevent overloading in your warehouse. This overview covers the key factors influencing capacity, such as beam spacing, upright structure, and load distribution, ensuring safe and efficient storage.

Personnel carrier parked in an aisle between pallet racking.

How To Determine Pallet Rack Capacities

The primary purpose of warehouse pallet racking is to keep product off the ground, secure and easily accessible. However, we also rely on it to be durable because of its close proximity to warehouse employees and pedestrians. The pallet racking must be strategically selected and properly installed so that it isn’t vulnerable to collapse.

Vertical Beam Spacing

Vertical beam spacing is crucial for determining the capacity of upright frames but is often overlooked. Typically set at 48", this measurement can vary based on the load, but spacing over 48" will decrease the frame's capacity. It's essential to follow manufacturer guidelines, as exceeding recommended spacing can lead to racking collapse. Uprights also differ in structure, typically 3" wide, but attention should be given to the column depth and steel gauge for proper load support.

Beam Length

As a beam’s length increases, its capacity to store product decreases. Beam capacity is calculated as a pair; therefore, capacity accuracy requires the beams to be identical. Beam dimension will vary and should also be considered in the calculations.

Upright Frame Capacity

o determine the total capacity of an upright, additional specifications such as the weight of beams, decking, and accessories must be considered. The overall capacity remains the same regardless of the number of levels, meaning as the racking height increases, the storage capacity per level decreases. It's essential to consult with a pallet racking professional rather than estimating, to ensure safety and accuracy.

Pallet Weight and Dimensions

To avoid overloading pallet racking, it's important to account for the load's weight, including the weight of the pallet itself. For stability, distribute pallets evenly across the racking, and place the heaviest loads closest to the floor to ensure the structure remains balanced and secure.

Our warehouse solutions consultants can answer your questions and address pallet racking stability and safety issues. Contact ProLift for a complimentary, onsite visit.

Warehouse layout and design with pallet racking.

Warehouse Layout and Design

Your partnership with ProLift begins before product is purchased. Our warehouse consultants integrate material handling systems, physical space, and the flow of material to create a streamlined, efficient process.

  • Increase storage and floor space
  • Maximize inventory & pallet positions
  • Plan for lifting height & aisle width
  • Invest in the ideal equipment for the application
How To Select Pallet Racking

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