K. F. Chan (Mr.) ELEC 3105 1

INTERIOR LIGHTING DESIGN

The basic aim of good lighting design should be to create a lighting installation that provides both good task visibility and a satisfactory visual environment.

K. F. Chan (Mr.) ELEC 3105 2

MAINTAINED ILLUMINANCE

K. F. Chan (Mr.) ELEC 3105 3

COLOUR TEMPERATURE

K. F. Chan (Mr.) ELEC 3105 4

K. F. Chan (Mr.) ELEC 3105 5

COLOUR TEMPERATURE

Group 1 warm lamps for relaxation spaces less than 300 lux

Group 2 intermediate lamps for blending with daylight

Group 3 cool lamps for working interiors with high illuminance level

K. F. Chan (Mr.) ELEC 3105 6

COLOUR RENDERING

K. F. Chan (Mr.) ELEC 3105 7

K. F. Chan (Mr.) ELEC 3105 8

UNIFORMITY OF ILLUMINANCE

In general, if the recommended SHR is not exceeded, minimum to average of 0.8 can be achieved

In general, if the mid-point ratio calculated according to CIBSE TM5 does not exceed 0.7, uniformity of 0.8 can also be achieved.

K. F. Chan (Mr.) ELEC 3105 9

SHR