Recommended Lighting Levels

The following selected foot-candle ranges represent the Illuminating Engineer Society’s(IES) current illuminance recommendations. Individual applications will determine exact foot-candle levels. Please refer to the IES Lighting Handbook for more detailed evaluation

Airplane Manufacturing

Assembly

Drilling, riveting, screw fastening.......... 75 Rough easy seeing.......... 20 - 50
Final assemble, hangar.......... 100 Rough difficult seeing.......... 50 - 100
Inspection.......... 50 - 200 Medium.......... 100 - 200
Welding.......... 50 Fine.......... 200 - 500(a)
    Extra fine.......... 500 - 1000(a)

Auditoriums

Automovite Manufacturing

Social activities.......... 5 - 10 Final Assembly, finishing, inspecting.......... 200
Assembly only.......... 10 - 20 Body & chassis assembly.......... 100
Exhibitions.......... 10 - 20 Body parts assembly.......... 100
    Frame assembly.......... 50

Banks

Barber Shop

Lobby general.......... 10 - 50 Beauty parlors.......... 50 - 100
Writing areas.......... 20 - 70    
Teller stations, posting & keypunch.......... 50 - 150    

Chemical Works

Clothing Manufacturer

Chemical Works.......... 30 Receiving, storing, shipping, winding, measuring.......... 20 - 50
    Pattern making, trimming.......... 50 - 100
    Shops, marking.......... 50 - 200
    Cutting, pressing.......... 100 - 500(a)
    Sewing, inspection.......... 200 - 500(a)

Electrical Equipment Manufacturing

Food Service Facility

Impregnating.......... 20 - 50 Dining areas, cashier.......... 20 - 50
Insulating coil winding, testing.......... 50 - 100 Cleaning.......... 10 - 20
    Dining.......... 5 - 20
    Food displays.......... 30 - 100
    Kitchen.......... 50 - 100

Foundries

Garages-Motor Vehicles

Annealing furnaces.......... 20 - 50 Storage.......... 5
Cleaning.......... 20 - 50 Parking garage.......... 10
Core making.......... 50 - 200 Service garage.......... 10 - 20
Inspection Fine.......... 100 - 500 Entrances.......... 50
Inspection Medium.......... 50 - 100 Repair area.......... 50 - 100
Molding.......... 50 - 200    
Pouring, sorting.......... 50 - 100    

Gymnasiums

Hospitals

Assenblies.......... 10 Rooms.......... 10 - 30
General exercise & recreation.......... 30 Corridors.......... 5 - 30
Exhibitions, matches.......... 50 Emergency rooms.......... 50 - 100
    Operating rooms.......... 100 - 200

Hotels

Iron & Steel Manufacturing

Bathrooms.......... 20 - 50 Stock, hot top, checker, cellar, calcining.......... 10 - 30
Bedrooms for reading.......... 20 - 50 Building, slag pits, stripping yard.......... 20
Corridors, elevators and stairs.......... 10 - 20 Control platform, repairs, mixer building.......... 30
Front desk.......... 50 - 100 Rolling mills.......... 30 - 50
Linen room: Sewing.......... 100 - 200 Shearing.......... 50
Linen room: General.......... 10 - 20 Tin plate.......... 50
Lobby: General lighting.......... 10 - 20 Motor room, machine room.......... 30
Lobby: Reading and working areas.......... 20 - 50 Inspection.......... 100

Library

Laundries

Ordinary reading, stacks.......... 20 - 50 Washing.......... 20 - 50
Book repair and binding.......... 20 - 50 Ironing.......... 20 - 100
Study & notes, cataloging.......... 20 - 100    
Card files, check desk.......... 20 - 100    

Machine Shops

Materials Handling

rough bench.......... 20 - 50 Loading trucking.......... 10 - 20
Medium bench, rough grinding, buffing.......... 50 - 100 Picking stock classifying.......... 20 - 50
Fine bench and work.......... 200- 500(a) Wrapping, packing, labeling.......... 20 - 50

Offices

Paint Shop

Accounting.......... 50 - 100 Spraying, rubbing.......... 20 - 50
Audio-visual areas.......... 20 - 50 Hand art, stencil.......... 20 - 50
Conference areas.......... 20 - 70 Fine hand painting & finishing.......... 50 - 100
Corridors, stairways.......... 20(k)    
Drafting.......... 50 - 200    
General and private offices.......... 50 - 100    
Lobbies, lounges & reception areas.......... 5 - 20    
Mail sorting.......... 50 - 100    
Off-set printing & duplicating areas.......... 20 - 50    
Spaces with VDT's.......... 75    

Paper Manufacturing

Printing

Beaters, grinding.......... 20 - 50 Photo engraving, etching, blocking.......... 20 - 50
Finishing, cutting.......... 50 - 100 Color Inspecting.......... 100 - 200
Hand counting.......... 50 - 100 Presses.......... 50 - 100
Paper machine reel, inspection.......... 100 - 200 Proofreading.......... 100 - 200
Rewinder.......... 100 - 200 Composing room.......... 50 - 100

Schools

Sheet Metal Works

Reading.......... 20 - 100 General.......... 100
Typing.......... 20 - 100 Tin plate Inspection.......... 100 - 200
Demonstrations.......... 100 - 200 Galvanized, scribing.......... 100 - 200
Sewing.......... 20 - 100    

Stores

Textile Mills

Circulation area stockroom.......... 10 - 30 Cotton picking, carding, roving, spinning.......... 50
Merchandising, serviced.......... 30 - 100 Beaming & slashing.......... 150
Merchandising, self-service.......... 200 Drawing.......... 200
    Others.......... 100

Warehouse & Storage

Welding

Inactive.......... 5 - 10 General.......... 20 - 50
Active rough bulky.......... 10 - 20    
Active Medium.......... 20    
Active Fine.......... 20 - 50    

Woodworking

Footnotes:

Sizing, planning, rough sanding, medium quality machine and bench work, gluing, veneering, cooperage......... 20 - 50 (a) Obtained with a combination of general light plus specialized supplementary lighting.
Fine bench and machine work, fine sanding and finishing.......... 50 - 100 (k) Or not less than 1/5 the lever in adjacent areas.
Rough sawing and bench work.......... 20 - 50