Location

Foot-candle Level

Remarks

General Offices

45-55

At primary work station

Classrooms

45-55

General Labs

45-55

Special Labs

45-100

As required by task

Lecture Rooms

30-50

Corridors, Stairwells

5-10 Ave

As required for safety

1-Min.

Usually 1/3 or 1/2  of original design is sufficient

Bathrooms

20 Ave

5 FC Min.

Conference Tables

30

10 FC Background

Secretarial Desks

50

With Auxiliary Task Lighting

Secretarial Desks

60-70

Accounting, Clerical

60-70

Files

30

Over open drawers

Drafting

60

Part time

Drafting

80

Full time

Waiting, Lounge Areas

10-15

Kitchens

50 Ave

Non-uniform distribution.

Cafeterias

20

Snack Bar

20

Shops

50-100

Storage Rooms

10

On Task

Foundry

50

Depending on Task

Computer Rooms

40-70

Library – Study Areas

45-55

Library – Book Stacks

20-30