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In lighting design, the lumen method, (also called zonal cavity method), is a simplified method to calculate the light level in a room.The method is a series of calculations that uses horizontal illuminance criteria to establish a uniform luminaire layout in a space.
The history of electric light is well documented, [11] and with the developments in lighting technology the profession of lighting developed alongside it. The development of high-efficiency, low-cost fluorescent lamps led to a reliance on electric light and a uniform blanket approach to lighting, but the energy crisis of the 1970s required more design consideration and reinvigorated the use of ...
The plan view is the primary view of the light plot and contains the most information on the lighting instruments and their locations. As per the design definition, the plan view illustrates how the venue space would appear to someone above it.
During his time at Yale, McCandless published some of the first books to lay out a method and approach to the art of lighting design. In his book A Method of Lighting the Stage (1932), McCandless details his method of lighting design which is based on the idea of breaking the stage down into uniform acting areas and manipulating light in terms of intensity, color, distribution, and control.
Lighting design as it applies to the built environment is known as 'architectural lighting design'. Lighting of structures considers aesthetic elements as well as practical considerations of quantity of light required, occupants of the structure, energy efficiency, and cost.
Another prescriptive approach is a method that uses two types of side-lighting, and three types of top-lighting to determine if a minimum of 75% daylighting is achieved in the occupied spaces. A third approach uses indoor light measurements showing that between 108 and 5,400 lux have been achieved in the space.
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An electrical drawing is a type of technical drawing that shows information about power, lighting, and communication for an engineering or architectural project.Any electrical working drawing consists of "lines, symbols, dimensions, and notations to accurately convey an engineering's design to the workers, who install the electrical system on the job".
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