Flow chart for lighting planning

1. Scope

• What should be evaluated? Electric lighting, emergency lighting, daylight conditions, function and control, maintenance plan, electrical efficiency, etc?

2. Conditions

• Regarding the checking of new installations – which conditions applied in installation planning?
• Evaluation of existing systems?
• Evaluation with or without daylight?
• Are the measured values new values or operational values?

3. Implementation/checks with light measuring

• Illuminance – average value/uniformity for the working area, immediate surrounding area as well as within the peripheral surrounding area.
• Luminaire average luminance.
• Calculate where appropriate, the UGR glare number.
• Luminance conditions in the premises.
• Luminaire screening angle.
• Light source colour reproduction and colour temperature.
• Perform visual evaluation and interview personnel.
• Perform function check.
• Check the calibration, burn-in time and prevailing operating conditions prior to light measurement.