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To reduce the chance of a load beam becoming disengaged from the storage rack structure, rack manufacturers typically include locking clips, pins and/or bolts. They secure the connection of the beams to the upright columns at every point of contact. This prevents an upward force applied by a lift truck’s forks (or a load) from accidentally disengaging the beam in the event of an impact.
A disengaged beam will not support the load capacity for which the system was engineered. The main risk posed by this scenario is that loads resting on it will fall from the rack. Falling loads could possibly injure pedestrians or associates in the aisle.
Secure Each Beam with Locking Clips
For the safety of the racking structure, other equipment, and the persons working in and around it, RMI’s ANSI MH16.1: Specification for the Design, Testing and Utilization of Industrial Steel Storage Racks calls for the installation of beam locking devices. It states:
Except for movable-shelf racks, beams subject to machine loading shall have connection locking devices (or bolts) capable of resisting an upward force of 1,000 pounds (453.6 kilograms) per connection without failure or disengagement.
Rack manufacturers typically include locking clips and/or bolts as a standard component. As a safety best practice, apply these components at the time of installation. For an additional measure of safety, some installations use both clips and bolts together. This occurs frequently in big box and warehouse stores with a lot of general public foot traffic.
Routinely Inspect Component Connections
To verify their proper installation, include beam locking devices as part of routine rack inspections. Examine the devices closely to confirm they have not been removed, distorted, or damaged. Replace any damaged or missing beam connector clips or bolts immediately.
Need more details about beam-to-column connections?ANSI MH16.1: Specification includes more details.