Construction workers are at high risk of soft-tissue injuries and musculoskeletal disorders. They can hurt themselves when handling heavy equipment and materials, leading to missed work or long-term physical issues. In some cases, companies can experience financial losses and project delays as a result.
Ergonomics can be an impactful, high-ROI investment. Ensuring workers are fit for the environment can mitigate injury risk and enhance productivity. Here’s how contractors can use the principle of ergonomics in protecting their workforce.
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Operator Comfort and Safety Are Important in Choosing Construction Equipment
Safety and security are vital in an industry as dangerous as construction. Operating heavy equipment can result in subtle ergonomic injuries, which should be addressed through support, training and encouraging workers to report symptoms. Here are some common causes of soft-tissue injuries management should be aware of.
Whole-Body Vibration
Excavator operators typically spend their entire workday inside the cab, where they can experience ergonomic issues caused by jarring and repetitive motions. That is because of the constant and frequent vibration from the machine’s engine, which passes through the operator’s seat and the floor. This continuous exposure can lead to muscle fatigue and chronic back pain.
Awkward and Static Postures
Operators usually work in non-neutral body positions for extended periods. They twist their torsos to observe blind spots, crane their necks for overhead loads and flex their backs to reach poorly placed controls. These unnatural movements can increase pressure on the intervertebral discs.
Repetitive Motions
Operating older hydraulic levers or using poorly placed foot pedals can cause significant strain on hands, wrists, shoulders and ankles. This can eventually lead to tendonitis and carpal tunnel syndrome.
Key Design Features That Prevent Injury
Many musculoskeletal disorders involving nerves, tendons, ligaments, joints, cartilage or spinal discs are the result of sudden or cumulative force. The resulting wear and tear can lead to disabilities over time. To prevent them, key design features for heavy equipment are needed. An ergonomic operator’s cab can significantly improve workers’ performance and long-term health. As such, they should be crucial factors during the procurement process.
Here are some design features that can help create a safe and secure workplace.
Ergonomic Operator’s Seat
Choosing an ergonomic operator’s seat requires considering technical factors that make working more comfortable and efficient. The seat must have multi-axis adjustability, such as height, forward, seat pan angle, backrest angle and lumbar support—these modifications can accommodate a wide range of body types. Another crucial factor is an advanced suspension system to help absorb harmful whole-body vibrations.
Intuitive Controls That Reduce Strain
Reduce workload by replacing high-force mechanical levers with electronic joysticks and fingertip controls. They require less force and are located in fully adjustable armrest pods. Operators can then work in relaxed, neutral positions. This reduces strain on the shoulders, wrists and hands.
Visibility That Eliminates Harmful Postures
Make sure cabs are engineered to minimize blind spots. Look for models with large, panoramic windows and integrated camera systems. This gives operators a comprehensive view of the worksite so they don’t have to strain their necks or twist their bodies to see clearly. Additionally, having a wider range of vision can further improve site safety.
Managed Noise, Climate and Air Quality
Companies should extend ergonomics beyond physical posture and improve the operator’s environment. Key factors are noise and temperature, which significantly add to stress and physical fatigue. Ergonomic pressurized cabs keep dust out and feature advanced climate control. Ensure the equipment’s materials are sound-dampening to reduce workers’ exposure to harmful noise levels.
Safe Entry and Exit to Prevent Slips, Trips and Falls
Heavy equipment with ergonomics in mind facilitates easier operator entry and exit. This means wide, serrated and anti-slip steps, optimal foot placement for pedals, wide-opening cab doors and high-visibility handles. These features help prevent falls, especially when people climb out of machines in muddy, icy or cluttered environments.
How Equipment Sizing Drives Safety
Construction workers who do not wear protective gear are three times more likely to get injured than those who do. Company officials can encourage them to protect themselves by developing an ergonomic strategy and prioritizing safety first during the acquisition phase. They should choose appropriately sized machinery and equipment designed to prioritize safety and comfort.
Management should ensure equipment isn’t too large for a confined jobsite. They should consider factors such as travel height for clearance of overhead obstacles or the tail-swing radius. These should be core ergonomic considerations when purchasing equipment.
It’s vital to consult a detailed construction equipment size guide to ensure the equipment fits the site environment.
The ROI of an Ergonomics-First Approach
The number of construction equipment operators is expected to increase by 4% from 2024 to 2034. As the industry grows, it’s important that safety standards improve alongside it. Companies should be proactive in investing in ergonomics to protect workers and ensure stable profits. After all, a safe working environment helps prevent workers’ compensation costs, project delays, incident investigations, and hiring and replacement training.
Since work-related musculoskeletal disorders are typically sustained by older workers, investing in ergonomics is a great way to retain experienced and valuable talent. Safety should be viewed as a planned, strategic advantage rather than a reactive cost.
Building a Safer, More Productive Future
Many workers experience musculoskeletal disorders due to the nature of their work. Unsafe environments can significantly affect projects, costing companies more over time. They should prioritize ensuring a comfortable workspace for operators so they can focus on their tasks without worrying about safety. More operator-assisted systems and designs are available. Contractors making ergonomic factors a priority are ensuring the long-term health of both their workforce and the business.
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