ABSTRACT

Table 14.1 Recommended minimum service values of illumination and limiting service values of glare index. Extracted from the Lighting Industry Federation handbook, Interior Lighting Design

General Corridors, passageways Lifts Lift lobbies Stairs, escalators Entrance halls Kitchens (general) Kitchens (food preparation) Food stores

Medical Consulting rooms and

First-aid cu bides Rest rooms Treatment rooms Medical stores

Staff restaurants Canteens, cafeteria Dining rooms (general) Counters

Staff rooms

100 200 200 100 200 200 400 200

400 50

400 200

Changing and locker rooms 100 Cloakrooms and lavatories 100 Rest rooms 100

Industrial buildings Assembly shops

Rough work Medium work Fine work Very fine work

Bakeries General Decorating

Clothing factories Matching Cutting, sewing Inspection Hand tailoring

Computer rooms

Cabinet making

Garages, vehicle servicing

200 400, 900

200 400

600 600

1300 1300

Limiting glare index

28 25 22 16

25 22

19 22 19 19

Lux(lm/m2)

Laundries(general)200

Printing(general)400

Textilemills Spinning600 Weaving900 Inspection1300

Hairdressingsalons General200 Atchairs600

Supermarkets General600 Display900 Cashdesk600

Hospitals Corridors100-200 Wards(general)100 Bedheads30-50 Reading150 Laboratories400 Operatingtheatres(general)400 OperatingareaSpeciallighting Anaestheticroom300 Recovery,intensivecarerooms30-50 Consultingrooms200

Homes Livingroom(general)100 Reading200 Sewing600 Study400 Bedrooms200 Kitchens200 Bathrooms100 Halls,landings100 Stairs50-100 Garages50

Hotels Entrancehalls200 Reception400 Cloakrooms100 Diningrooms100 Lounges200 Bedrooms100 Kitchens200

Limitingglareindex

25 19 19

Table14.1-continued

Offices General Printroom Drawing Records

Shops Circulationareas Counters Cashdesks

Churches General Pulpit Altar Vestries

Libraries Readingrooms Readingtables Counters

Museum-s,artgalleries General Displays

Schools General Examinationrooms Classrooms Lecturetheatres Artrooms Laboratories Needleworkrooms

Lux(lm/m2)

400 200 400 400

200 600 400

50-100 200 400 200

200 600 600

200 Speciallighting

200 300 300 200 600 400 600

Limitingglareindex

19 22 16 22

19 16

16 16 16 16 16 16 16

Table14.2givestherecommendedminimumservicevaluesofilluminance fordifferentclassesofvisualtask.