See detailed requirement for Visual Lighting Design Fine dining: Able to maintain an average of 30 lux or more measured on the horizontal plane at the height of the dining surface.Casual dining and fast food: Able to maintain an average of 100 lux or more measured on the horizontal plane at the height of the dining surface.Cafeterias: Able to maintain an average of 150 lux or more measured on the horizontal plane at the height of the dining surface.The ambient lighting system at dining surfaces for the specified restaurant types meet the following requirements: Able to maintain an average of 175 lux or more measured on the horizontal plane, typically 0.76 m above finished floor.The ambient lighting system at desks in classrooms for the specified age groups meet the following requirements: Evening lights able to provide a maintained average of 50 lux as measured 0.76 m above finished floor.Alerting lights able to provide a maintained average of 250 lux as measured 0.76 m above finished floor.In all bedrooms, bathrooms, and rooms with windows, one or more fixtures provide the following: Part 4: Visual Acuity in Living Environments Maintained average of at least 200 lux of lighting in dishwashing areas.Maintained average of at least 500 lux of lighting at countertops and other food preparation or production areas.The way brightness is distributed across ceilings in a given room.Brightness contrasts between task surfaces and remote, nonadjacent surfaces in the same room.

Brightness contrasts between task surfaces and immediately adjacent surfaces.Brightness contrasts between main rooms and ancillary spaces, such as corridors and stairwells.Provide a narrative that describes strategies for maintaining luminance balance in spaces, which takes into consideration at least two of the following: If ambient light is below 300 lux, task lights providing 300 to 500 lux at the work surface are available upon request.The ambient lighting system is zoned in independently controlled banks no larger than 46.5 mР’Р† or 20% of open floor area of the room.The ambient lighting system is able to maintain an average light intensity of 215 lux or more.The following requirements are met at workstations or desks:

Visual lighting design