This section sets out the requirements for lighting provisions.

Mandatory Section

Sufficient level of illumination shall be provided in order to help people to apprehend the physical environment of the space they have entered, or to move around safely.

Obligatory Design Requirements

Sign Surface

(a) Accessible signs under Section 4.10 shall have illumination level on the sign surface of not less than 120 lux.

Illumination Level

(b) The following designated areas of a building shall have minimum illumination level measured at the finished floor level along the

Center line of the passageway as follows:

Design Considerations

(a) Artificial lighting should be designed to give uniform illumination and good colour rendering of all surfaces, without creating glare, or pools of bright light and strong shadows.

(b) Where appropriate, lighting should be so designed to illuminate the face of a person speaking in order to make communication easier.

Enhanced Design Standards

Common Areas

(a) Common areas of a building should have an illumination level of not less than 120 lux measured at the finished floor level. Lighting for Steps

(b) Lighting with lower illumination level should be provided at the entrances and exits to provide a contrast between the treads and the risers.

Illumination Level

(c) Uniformity of illumination level should be maintained throughout the designated confined areas such as staircases, corridors or the like.

(d) Higher illumination level at the entrance doors to flats and the exit doors should be provided.