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Ergonomics - Essay Example

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Given that as a designer of the workplace, one must consider the workers or personnel’s’ ergonomic parameters as they are required to undertake the responsibilities expected of them. In this particular scenario, it was explicitly detailed that a seated operator is expected…
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Ergonomics
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Ergonomics Ergonomics Given that as a designer of the workplace, one must consider the workers or personnel’s’ ergonomic parameters as they are required to undertake the responsibilities expected of them. In this particular scenario, it was explicitly detailed that a seated operator is expected to monitor a visual display in a dark room. In this regard, the ergonomic parameters to be considered would include the following: seating standards; visual standards; lighting standards; and display settings.
Seating Standards
According to Knoll Workplace Research, a published “Office Ergonomics Standards” written by O’Neill (2011) detailed the specifications for seating conformance to include elements such as the chair to the used, the chair seat height, the seat width, seat pan depth, seat pan tilt, the seat pan-backrest angle, and lumbar support. The detailed specifications, based on O’Neill’s (2011) discourse are as follows: (1) chair shall support the user’s back and thighs and must have a backrest that reclines; (2) the chair seat height shall be adjustable according to the user’s need to as much as “a range of 4.5 inches between 15 and 22 inches” (ONeill, 2011, p. 3); (3) the seat width shall meet the specified width of at least 17.7 inches; and (4) there shall be a support for the lumbar, as needed.
Visual or Eye Standards
The visual or eye standards should incorporate distance between the user and the monitor display. According to the Department of Energy (DOE) (2008), in the article entitled “Creating a Healthy Workstation Environment: Workstation Ergonomics Made Easy”, the optimum distance between the user’s eyes and the visual display by operators in seating position is 600 mm (Department of Energy (DOE), 2008, p. 7). Likewise, it was noted that special computer glasses that would assist in preventing eye fatigue and vision problems for long hours of monitoring visual displays shall be considered.
Lighting Standards
It has been emphasized that the effectiveness of performance on undertaking monitoring of visual displays is affected by lighting. In this situation, it was stipulated that the operator does the monitoring in a dark room. According to ergonomic standards, light requirements actually vary depending on the performance of tasks. Since the operator focuses on monitoring visual displays from the computer, which already self-illuminating, less light is actually needed; but, it would help to provide focused task lighting (“a separate lamp”) (Department of Energy (DOE), 2008, p. 21) to assist in other tasks and prevent creating a totally dark environment.
Display Settings and Placement
Display placement considers elements such as the distance between the monitor and the user’s height, positioning, and proper angle including the illumination from the monitor. The comfortable placement was noted as 35 degrees below the horizontal line as confirmed by considering the measurement of stress on back and neck muscles and should be located at least 20 inches from your eyes, or whichever considers the best comfort to the user (Department of Energy (DOE), 2008, p. 19). Likewise, the images to be monitored from the visual display are to be considered including the visual contrast level and resolution (“a display resolution of approximately 1000 x 800 pixels was needed for good visual performance” (Department of Energy (DOE), 2008, p. 19). Large fonts and positive polarity (dark letters on a light background) are most applicable (Department of Energy (DOE), 2008, p. 20).
References
Department of Energy (DOE). (2008). Creating a Healthy Workstation Environment: Workstation Ergonomics Made Easy. Retrieved May 31, 2012, from http://www.hss.doe.gov/sesa/corporatesafety/feosh/pubs/ergo-1-14-08.pdf
ONeill, M. (2011). Office Ergonomic Standards: A Laypersons Guide. Retrieved May 31, 2012, from Knoll Workplace Research: http://www.knoll.com/research/downloads/WP_ErgoStandards.pdf Read More
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