Handling Aerial Work Platforms From Ground Controls: Risks and Best Practices

Access Equipment Safety

Mobile elevating work platforms (MEWPs) are equipped with both ground controls panel and platform controls panel (also named upper and lower control boxes), complying with international MEWP design standards to ensure operator safety. This safety advice is provided by leading manufacturer and Kennards Hire premium supplier, Haulotte.

Risks associated with using ground controls

Manufacturers’ manuals indicate that the primary control station is located within the platform, and the lower control box should only be used for pre-use inspections without anyone in the platform, or for emergency descent purposes. However, it is common to see ground operators assisting the platform operator in positioning the MEWP, which can be dangerous and present several risks for both operators.

Identified risks

1. Crushing or trapping of platform occupants: Operating the MEWP from the lower control box while someone is in the platform can lead to serious accidents, as the operator on the ground does not have the same perception of the movement constraints of the basket and any nearby obstacles.
2. Collisions with surroundings: Improper handling can cause material damage to equipment or the surrounding environment.
3. Communication issues: The noise from hydraulic engines can hinder communication between operators, increasing the risk of mistakes.
4. Differences in control responsiveness: Controls from the lower control box may respond differently than those in the platform, leading to unexpected and potentially hazardous movements.
5. Proximity to electrical hazards: Distance perception from ground controls can be distorted, increasing the risk of collision with electrical objects.

To raise awareness of these dangers and promote safe practices, the EWPA (Elevating Work Platform Association, provides the following advice;

• Duplicate controls accessible at ground level must be provided so the platform can be retrieved in an emergency.
• The controls must have a locking mechanism so the MEWP can only be operated from one, preselected control station.
• The ground level controls must override all other controls, including the platform emergency-stop control.
• Where a key switch is used, it must only be possible to remove the key in the neutral or off position.

Best practices to prevent incidents

1. Follow the manufacturer’s guidelines: Adhere to the operational limits defined in the operator’s manual.
2. Limited use of ground controls: Ground controls should be used exclusively for pre- use inspections, emergency descent movements, and raising or lowering the machine for storage.
3. Team operation: It is recommended to operate MEWPs in pairs, with one operator in the platform and an assistant on the ground. The assistant can monitor the work environment, guide the operator, and manage emergencies if needed.

By adhering to these guidelines, companies can minimize the risks associated with using ground controls on aerial work platforms, ensuring the safety of their employees and the protection of their equipment. For more information on MEWP safety and training resources, contact your local Kennards Hire representative or branch.

If you prefer, we can even come along to your site so you can be absolutely sure you have the correct safety procedures in place for access equipment .