Factors for Designing the Schemes as a General Lighting

Factors for Designing the Schemes as a General Lighting (General Requirements)

1. Area to be uniformly illuminated.
2. Illumination level in LUX is to be decided.
3. Shadows and glares to be pre-thought and how these can be avoided.
4. Mounting height from the working plane and spacing between the lamps be decided. Space to height ratio is importance.
5. Working planes and colours of walls affect the design calculations.

    These are the general requirements for the design consideration of residential commercial as well as industrial units.

Economical Factors for Lighting

For economical designs the design engineer also gives importance to the following factors :

1. Costs : (a) capital (b) Operating (c) running costs.
2. Maintenance.
3. Life Electricity changes (tariffs)