Office lightening design in 20th century used to involve installing T12 fluorescent fixtures which are 8 feet apart in tiled ceilings and classic 2 foot by 4 foot three-to-four lamps. However, what one needs to understand while lightening one’s office is visual tasks which are performed by the employee.
Several factors will help in determining the need of an apt lightening, such as
An unwanted ratio of the sum of light set free on the work area to the quantity of light bordering to the area and in the wide-ranging field of view of the worker can lead to difficulties ranging from aggravation to perceptible glare. Thus, experts suggest that the luminance within the instantaneous area should uphold an utmost bright-to-dark ratio of 3:1 in the view of the task.
One way to supply appropriate bright-to-dark ratios in the view of the task is to limit the lowest illuminance to a passage area or a corridor adjoining to the area of wide-ranging illumination.
Now a day’s, control technology is used which aids in minimizing superfluous lighting used in a work place all the way through the day and to meet the terms with various codes and standards.
One must consider these wide-ranging provisions for both labor-intensive and mechanical controls
Do’s And Do Not’s For Lighting Your Office
Air makes way into the office buildings via both involuntary ventilation systems as well as through natural leaks around windows, doors and so on. Newer, bigger buildings which are exceedingly energy competent due to sealed windows and profound insulation principally depend on perfunctory ventilation. Older, small, and small-spaced office buildings can be sufficiently ventilated via natural sources which include air outflow through opened windows and doors, as well as through ruptures in the windows and walls.
A ventilation system must involve comfortable environment in respect to temperature and humidity. Air should neither be too hot or too cold, as both can make working environment uncomfortable leading to various work related health hazards such as mold growth. On the other hand, cold temperatures can lead to problems in respiratory passages leading to infections in future.
Too cold or too hot temperatures can lead to
There are number of factors which will define whether an individual is comfortable in a particular environment or not. These include
The American Society of Heating, Refrigeration and Air Conditioning Engineers (ASHRAE) suggests the following temperature and humidity ranges for office work
Relative Humidity Winter Temperature Range Summer Temperature Range
30% 68.5 - 76.0 F 74.0 - 80.0 F
40% 68.5 - 75.5 F 73.5 - 79.5 F
50% 68.5 - 74.5 F 73.0 - 79.0 F
60% 68.0 - 74.0 F 72.5 - 78.0 F
Note: Relative humidity above 50% is not recommended because it can promote mold growth.
Indoor Air Pollution
An insufficiently ventilated office atmosphere or a defectively designed ventilation structure can direct to a range of indoor air pollutants. Air pollutants can instigate within the building or can be drawn from outdoors.
Examples of sources that start off externally in a building include
Controls to Prevent Indoor Air Pollution
The following guidelines are functional in doing away with indoor air quality problems
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