Tag: ergonomics

Six Sigma + Ergonomics = Productivity Gains

Implementation of a comprehensive ergonomics program is often initiated by a business for the obvious safety and financial benefits realized in reduced workplace injuries and their attendant costs. What many business owners fail to realize are the significant productivity gains possible when ergonomic practices and ergonomically-designed equipment are adopted. Businesses that practice Six Sigma have been quick to see the potential for sustained productivity gains when ergonomics are integrated into workplace practices.

Utilization of the 5-step Six Sigma process can help a business build a successful and sustainable ergonomics program that will not only produce impressive immediate production gains, but sustain and continue to improve those results over the long-term. Six Sigma practitioners have found that adoption of ergonomic practices and use of ergonomic equipment optimizes worker performance, reduces production cycle time, increases cost competitiveness, and empowers workers. The end result is increased production, improved product quality, a happier workforce committed to improvement, and a satisfyingly positive impact on your bottom line.

Six Sigma’s disciplined, process-oriented approach to problem solving involves five steps that are easily applied to development of a comprehensive ergonomics program:

Define. It’s important to know what you’re working toward, so the Six Sigma process begins by establishing the goals to be achieved. Clearly define the problems to be addressed by reviewing injury, illness and workers’ compensation claim data for commonalities. Production bottlenecks, quality issues, rework costs, and warranty costs are other problem indicators. Don’t neglect the important area of staff morale. High absenteeism is indicative of low morale. After defining problem areas, establish specific goals for improvement in each area. You’ll also need to determine tracking metrics and establish support and educational resources.

Measure. In order to correctly measure improvement, you need to pinpoint your starting point. Collect information about your workers and their abilities. Define the parameters and potential risk of each task, paying particular attention to potential stressors, including site lines, posture, reach required, force expended, repetition, vibration, noise levels, work environment temperature, etc. Collect data about the individual steps required to perform each task.

Analyze. Analyze the data collected to discover the root cause of each problem. Evaluate and identify risks associated with each task. Don’t neglect to talk to the workers who actually perform each task. They can provide astute insight into what works, what doesn’t and how to improve the situation. Before implementation, carefully evaluate potential process improvements, equipment and tools for their ability to solve the problem as well as risk potential. Determine and prioritize improvements to be introduced into the workplace.

To be continued Friday

Peering Into Business’ Future

If America’s future workforce is going to be “more flexible, more freelance, more collaborative and far less secure,” as Time magazine prophesizes in its May 13, 2009 issue, it indicates that the American business paradigm as we know it is going to go through some major upheavals in the coming decade or two. Time suggests that American business is teetering on the cusp of major change. Powerful social forces have pushed us toward this edge, and the current economic disaster appears ready to tip us over and send us careening in new directions.

What’s driving the coming changes?

  • The Baby Boomer generation has been an unstoppable force since its inception. Sheer numbers have changed the focus of society each time Boomers have entered a new life phase. Now poised to enter retirement, America’s most populous demographic will again shift the country’s emphasis, this time to health care and aging issues. By 2030, one-fifth of American citizens will be over the age of 65, with the greatest growth in the over 85 demographic. As they have from the beginning, Boomers will drive the country’s business, social and political agendas. Expect growth in health care, pharmaceuticals, medical aids and equipment, security and alert services, home care, transportation and mobility, shop-at-home opportunities and travel. But don’t count Boomers down and out yet. The last of the Boomers won’t retire for another 20 years and many plan to and will be able to work into their 80s. With far fewer workers moving up to replace them, American business owners need to prepare for a grayer workforce.
  • The new generation of managers entering the business world seems to have been plugged in since birth. Quick to embrace new technology, they’re more comfortable in front of a computer checking their email and Facebook accounts or texting and twittering than they are communicating face-to-face. Expect business communication and social interaction to change to reflect the fast-paced, multi-tasking, solitary preferences of the tech-savvy earbud generation. This is the generation that will take integrated technology to new levels not yet even imagined. Business has already begun to lose its brick and mortar walls as more people work remotely. Expect the next generation to blow them away. The days of the cubicle are numbered!

More on Monday

Michigan Proposes Ergonomic Regs to Curb Injuries

In response to concern about workplace injuries, Michigan plans to institute new state regulations targeting repetitive-stress job injuries. Under the proposed rules, employers would be required to offer ergonomic training and work to correct reported injuries. State regulators would have the power to punish employers for repeated worker injuries. Critics are concerned that the rules will place another financial burden on Michigan’s already struggling economy.

California is the only other state with similar regulations, despite the fact that repetitive-stress job injuries are estimated by OSHA to cost America more than $20 billion annually, or about one-third of the total workers’ compensation costs paid by employers. “It’s a significant issue, even though the standard is fairly minimal,” said Doug Kalinowski, director of MIOSHA. “It’s been very contentious.”

In 2001, repetitive-stress injury regulations proposed by federal regulators were estimated to cost employers $5 billion. Those regulations were blocked by Congress. Michigan’s Small Business Association is concerned that the costs of training and reporting procedures will place a significant burden on small businesses and make it harder for them to compete nationally. Larger companies that have ergonomics programs in place would be exempted under the proposed rules.

Manufacturers are similarly concerned. “It’s a pretty broad issue and there are a lot of costs involved,” noted Amy Show of the Michigan Manufacturers Association. “We don’t know what true costs are going to be until we know how strict the department is going to be in enforcing this.”

The proposed rules would only apply to general industry. Construction, agriculture, mining and domestic employment are specifically excluded. But the construction industry and labor representatives believe that if the rules are adopted, it will only be a matter of time before they are expanded to include construction. “There are many within the building trades, or ironworkers, that suffer from repetitive-motion injuries,” said William Borch, president of Ironworkers Local 25 in Saginaw, Michigan and one of the labor representatives who reviewed the proposed rules.

“The problem is that … these types of injuries are not an imminent danger [to life], even though they can be career-ending types of injuries and cause long-term pain and suffering,” Borch said. Considering the risk to workers, Borch felt the proposed rules provided minimum standards. “It doesn’t seem like a lot to ask,” he said.

Advocates of the proposed rules argue that the implementation of ergonomics creates a safer work environment, increases productivity, minimizes downtime and decreases workers’ compensation costs — all formidable inducements to embracing ergonomics.

Forces of Change: What’s Driving New Business Paradigm?

The current economic crisis has created a tipping point for American business. While change is a normal and healthy part of growth, overwhelming economic forces are combining with powerful social forces to force major upheavals in the U.S. business paradigm. Economic necessity has eroded the normal inertia that usually slows change. Economically unviable businesses are failing, the weak are being culled from the competitive pack, and even the strong are struggling, forcing business owners to make hard decisions to ensure their survival. For the first time in decades, labor unions and their members are willing to reconsider compensation and benefit packages to save jobs. Add to this the looming retirement of America’s largest-ever workforce — the Baby Boomer generation — and its replacement with a new generation of tech-savvy workers ready to blow traditional business practices out of the water, and you have a potent climate for change.

Today, we continue our discussion begun last week of the coming forces that will change American business.

  • Today’s hierarchical management structures will all but disappear. Growing entrepreneurship will shift more tasks to contract workers. Changing priorities about work/life balance are already impacting corporate structure with more workers telecommuting and job sharing. The creative experiments implemented to save jobs and money during the recession — unpaid furloughs, reduced hours, lateral advancement — are likely to be retained, allowing for the more flexible career paths sought by the next generation of workers.
  • Women will finally crash through the glass ceiling and come into their own. Time foresees an 8% growth for women in the workforce, compared to 5% for men, and much of that growth will be at the management level. Backlash from the economic crises of the last two years is creating demand for the female management style. Studies indicate that female managers are more cautious about risk-taking than their male counterparts and are collaborative consensus-builders who practice transformational leadership that engages and motivates. 
  • Rising health care and pension costs are already forcing a major change in corporate benefit packages. The current model of employer as provider has become unsustainable. Employees are already being asked to share the burden of health care and retirement costs with their employers, a trend expected to increase. While this naturally concerns Baby Boomers nearing retirement age, benefits are of far less concern to the next generation of workers. In its May 25, 2009 issue, Time magazine reported that among 18- to-34-year-olds, base pay and career advancement were the top-ranked concerns. To decrease health care costs, both businesses and workers will support wellness initiatives and adoption of ergonomic equipment and practices in the workplace.

Is Absenteeism Hurting Your Bottom Line?

The nation’s 300 largest employers reported in a 2007 survey by research firm CCH Inc. that absenteeism costs their businesses more than a quarter million dollars annually in direct payroll costs. Add in lost revenue from lower productivity and unscheduled absences can have a significant negative impact on a business’ bottom line. In these recessionary times, absenteeism can make already slim profits disappear.

Only a third of all work absences are due to illness, said Susan Frear, director of education for the Dallas office of the Society for Human Resource Management. “The rest of the absences are related to having to be someplace else or they just don’t feel like coming in. So a lot has to do with the culture of the place.”

Changes in management style or corporate procedures can make a significant difference in absenteeism rates. “Take a hard look at the climate,” suggests Barb Ashbaugh, owner of Ashbaugh’s Trade Secret, a performance management company. Authoritarian managers “who make employees feel it’s their way or the highway” cause higher levels of absenteeism, Ashbaugh noted. Companies that count “occurrences” instead of individual days absent encourage employees to sneak in a couple of extra days off, warned Nancy Glube, an Atlanta human resources executive.

Retail giant J.C. Penney Co. is trying a new approach that shows promise for both large and small businesses. With 1,500 workers calling in “sick” and another 1,200 out on disability each day, Penney executives were concerned about the impact of growing absenteeism rates on the company’s profit margin. This fall they began project PowerLine. When an employee is absent for 3 days, the PowerLine team swings into action. They communicate with the employee to determine the nature of the absence and whether the employee qualifies for health insurance, workers’ compensation or short-term disability benefits. The team notifies store and department managers and insurance carriers and sends the employee the appropriate forms to complete. Daily absenteeism rates have dropped dramatically.

What has made the PowerLine program so successful in such a short time is the constant follow-up that continues until the employee returns to work. “I’ve found that when someone goes out on disability, that person undergoes a significant event in their life,” said Penney’s benefit manager Jim Cuva, “and if no one checks on them to see how they’re doing, they could stay out longer than necessary.” The PowerLine program is Penney’s way of “letting them know we care.”

Employees who know they’re valued work harder, are more productive and are absent less frequently. Making the effort to create a positive work environment can positively impact your bottom line. On Monday, we’ll talk about how implementing ergonomic practices in your workplace can improve worker morale, decrease worker injury and boost your bottom line.

How Force Affects Pushing and Pulling Activities

Pushing and pulling tasks are among the most common industrial activities. Pallets of goods need to be moved from one point to another and equipment needs to be moved to a usage point. Workers at factories, hospitals, distribution centers, grocery stores and many other businesses engage in pushing and pulling activities numerous times a day. The Ergonomics of Manual Material Handling – Pushing and Pulling Tasks provides a useful overview of the costs and consequences of neglecting ergonomics in common industrial tasks that involve pushing and pulling. Click here to read the white paper published by Darcor, an industry leader in the design and manufacture of ergonomic casters and wheels, and Ergoweb, an ergonomic web resource.

While often taken for granted, wheeled carts and equipment are integral to the operation of nearly all manufacturing and distribution facilities as well as many businesses. Musculoskeletal disorders from pushing and pulling injuries cost American businesses billions of dollars each day in medical, insurance, disability and downtime costs. Ergonomically-designed carts, wheels and casters can significantly decrease the incidence of musculoskeletal disorders.

To be effective, ergonomic design for push/pull tasks must consider:

  • Human factors such as height, weight, age, gender, strength, posture and physiological capacity.
  • Task factors including distance moved, forces required to initiate and sustain movement, direction and nature of movement and task duration.
  • Cart/equipment factors such as size, weight, stability, caster/wheel specification and handhold type, height and orientation.
  • Floor/ground factors including surface characteristics, slope and contaminants.

Contrary to popular belief, horizontal push force is more significant than load weight in pushing and pulling tasks. Proper wheel or caster selection and equipment design can enable workers to move thousands of pounds safely and efficiently. Caster/wheel choice alone can reduce push force significantly. Rolling resistance refers to forces that resist movement and defines the amount of force a person must generate and apply to move wheeled equipment.

This force — called the starting or initial force by ergonomists — is always greatest at the start, just before movement begins. Fortunately, starting force must only be exerted briefly. Once acceleration is achieved, less force — called the sustained or rolling force — is required to maintain movement. The final major force that affects cart movement is turning force which can occur while the cart is in motion or during positioning.

Next time: How ergonomics mitigates force.

How Ergonomics Mitigates Force

Horizontal push force is a more significant factor than load weight in pushing and pulling tasks. In moving a wheeled piece of equipment or a load on a wheeled cart, three main forces come into play:

  • Starting or initial force is the effort required to initiate movement. It requires the greatest effort because it must overcome inertia.
  • Sustained or rolling force is the effort required to keep the load in motion and requires significantly less effort if a steady speed is maintained.
  • Turning force is the effort required to turn the load and can be significant as the load is moved into a new direction, often requiring asymmetric body postures and muscle exertion which carry a greater risk of injury.
  • Stopping or positioning force is the effort required to bring the load to a halt or position it in a specific place. Positioning can require significant, multidirectional force, exposing the worker to hazardous postures and muscle exertions.

Ergonomics mitigates these forces through design that seeks to minimize stress on the worker’s body and reduce wasted movement and effort. By reducing unnecessary movements and awkward postures, the force exerted by a worker is more efficiently utilized, thus reducing the amount of force necessary to move a load. This reduces both the time and effort needed to complete a task and the risk of worker injury. To ensure that equipment can be easily used by all members of the workforce, ergonomic design is often adjustable to fit a greater number of workers or is targeted to accommodate the weakest members of the workforce.

Ergonomics works to reduce inertial and dynamic forces, friction and physical interference to decrease the amount of force required to move a load. Considerations in ergonomic design generally include:

  • Floor materials, pitch and slope
  • Load weight, type and quantity per shift
  • Cart or equipment size, weight and design
  • Wheel or caster type, construction, materials, number and placement
  • Handhold type, height, width and placement
  • Control type and placement
  • Route, number of turns, obstacles and amount and type of maneuvering
  • Frequency, duration and repetition of task
  • Body postures required to operate equipment and perform tasks
  • Height, weight, strength and gender of typical worker

Ergonomics Can Significantly Decrease Worker Injuries

Material handlers and laborers suffer more injuries and illnesses than construction workers, truck drivers or, indeed, any other category of workers, according to the U.S. Department of Labor. Material handlers and laborers miss more work days and therefore cost U.S. businesses more money in lost man-hours and higher insurance and healthcare costs than any other worker class.

Numerous studies have proved that ergonomically-designed equipment and systems can significantly decrease worker injury. Many manual tasks necessary during the handling of materials require repetitive motions — pushing, pulling, bending, lifting and carrying — that place undue strain on the human body. These actions can result in sprains, strains, back pain and other musculoskeletal injuries. Back pain is by far the most commonly reported workplace injury in the material handling industry. Treatment is generally lengthy and expensive, gobbling up the lion’s share of healthcare and workers’ compensation costs.

The implementation of an ergonomics program can significantly reduce injuries and their associated costs while improving productivity and worker morale. The Material Handling Industry of America (MHIA) has published a 68-page booklet of tips for improving ergonomics in the material handling industry. Click this link to download MHIA’s free Ergonomic Guidelines for Manual Material Handling. For more information on ergonomically-designed electric and motorized carts, pushers and tuggers, visit the DJ Products website.

Next time we’ll share some of MHIA’s best tips for improving ergonomics in the material handling industry and reducing worker injury and its associated costs.

Proactive Problem Solving Reduces Workplace Injuries

Reducing workplace injuries is every responsible business owner’s goal. Not only do you value your employees’ health and safety, but the cost of ignoring workplace safety — high medical, insurance, workers’ compensation and lost man-hour costs — can be staggering. It pays to be proactive in looking for potential injury-causing problems and coming up with ergonomic solutions that improve the fit between the work and the worker.

Developing a proactive plan to reduce workplace injuries is a four-step process:

  1. Observe and question
  2. Set priorities
  3. Implement improvements
  4. Follow up

1. Observe and question.

Look for clues to possible problem areas in available statistical data. Check injury reports for patterns that indicate higher injury rates for certain tasks or in certain areas. OSHA logs, worker reports and complaints, absence rates, and workers’ compensation reports are good starting points. Ask if your workers’ compensation insurance carrier provides workplace assessment surveys as part of their risk-management services.  

Look at production reports for bottleneck areas. Check quality control reports for poor quality product or service. Problems can indicate areas where workers are having difficulty completing tasks effectively under current conditions. The root cause of such problems is often poorly designed equipment or task procedures.

Spend some time following the entire process of your business from start to finish. Pay particular attention to areas highlighted by the data review. Observe the way workers do their jobs. Watch for risk factors such as awkward postures, repetitive motions, forceful exertions, pressure points or extended periods spent in the same position. Watch for signs of worker discomfort or pain such as self-restricting movements, efforts not to move certain body parts or massaging hands, arms, legs, necks or backs. Pay attention to unnecessary handling and duplication of material or product movement.

Look for ways in which workers have modified standard procedures to make it easier to do their work, including modifications to tools, equipment, workstations or task performance. Talk to managers but also talk to the workers who actually perform the tasks. Ask workers how they would change the work process, operations, tools or equipment to make their jobs less physically demanding and more efficient. You’ll get a clear idea of what isn’t working and may get some excellent suggestions for improvement.

Continued next time

Making the Most of Your Space

A few years back, when business was booming, the answer to the need for increased space because of increased business was simple – upgrade to a larger facility that can handle the increase of inventory.  Now things aren’t quite so simple, increases in margins remain slim and there is constant competition to attract and keep new customers, so many business are leery about taking on greater overheads to try and meet customer demands – instead businesses are being forced to recreate the space that they are in an effort to hold the necessary inventory to satisfy customer demands.

This may mean changing storage racks, warehouse aisles and converting office space in order to make room for additional product storage and this restructuring of space may also mean that the equipment being used may no longer be as effective with the more constrained spaces.  Traditional forklifts can be bulky and may need a good deal of space to  maneuver  around a warehouse  – if you decrease the amount of room for travel there may no longer be enough room for a large forklift to effectively operate.

Though upgrading to smaller, safer and more efficient equipment will bring about an initial investment, unlike assuming a new lease for a larger space, this investment will immediately begin to pay for itself.  The powered carts and lifts from DJ Products allow a single employee to move heavy loads around in the smallest places easily – meaning that your employees won’t struggle at all in the smaller and more cramped spaces and that your business will maintain the same level of productivity despite the fact that your employees have less space to move around in.

Your new equipment will cost less to operate and allow your employees to get the job done quicker, which is exactly the formula you need to attract and keep more customers without having to move into a larger facility.