Illuminance values
|
As per IES
|
Area Type |
Lux |
CIRCULATION AREA |
|
Corridors, Passageway |
100 |
Lift |
150 |
Stairs |
150 |
Escalator |
150 |
External Covered Ways |
30 |
ENTRANCES |
|
Entrance halls, lobbies, waiting rooms |
150 |
Enquiry desk |
500 |
Gate houses |
300 |
KITCHENS |
|
Foods stores |
150 |
General |
500 |
OUTDOOR |
|
Controlled entrance halls or exit gate |
150 |
Entrance and exit car park |
30 |
Stores, stockyards |
30 |
Industrial covered ways |
50 |
STAFF RESTAURANTS |
|
Centre cafeterias, dining room |
300 |
MEDICAL AND FIRST AIDS CENTRES |
|
Consultant room, treatment areas |
500 |
Medical stores |
100 |
Rest room |
150 |
STAFF ROOM |
|
Changing locker and cleaner’s room, cloakrooms lavatories |
150 |
Rest rooms |
150 |
STORE AND STOCK ROOMS |
150 |
Telecommunication board,switchboard rooms |
500 |
Cordless switchboard |
300 |
Apparatus rooms |
150 |
Teteprinter rooms |
500 |
AIRCRAFT MAINTENANCE HANGERS |
|
Aircraft engine testing |
750 |
Inspection and repairs (hanger) |
500 |
GARAGES |
|
External apron general |
50 |
Pumps |
300 |
Parking areas (interior) general repairs servicing |
30 |
Greasing, pits washing, polishing |
500 |
GAS WORKS |
|
Exterior walkways and platforms |
50 |
Exterior stairs and ladders |
100 |
Retort house, oil gas plants, watergas plant purifier, indoor coke |
100 |
Booster and exhauster houses |
150 |
GAUGE TOOLS ROOMS |
|
General |
1000 |
INSPECTION & TESTING SHOP |
|
Rough work e.g. counting rough Checking of stock parts |
300 |
sub-assemblies |
500 |
Fine work e.g. radio and telecommunication equipment, calibrated scales, precision mechanism, instruments |
1000 |
Very fine work e.g. gauging and inspections of small intricate parts |
1500 |
Minute work e.g. very small instruments |
3000 |
HOMES |
|
Living rooms general |
50 |
Casual reading |
150 |
Sewing darningsrudies desk and protuged |
300 |
Bedroom general |
50 |
Bed lead kitchen |
150 |
Bathrooms |
100 |
Halls and landings |
150 |
Stairs |
100 |
Workshops |
300 |
Garages |
50 |
INDOOR SPORTS AND RECREATIONAL BUILDING |
|
MULTIPURPOSE SPORTS HALLS |
|
Athletics, basketball, bowls, judo |
300 |
Hockey |
700 |
BADMINTON COURTS |
300 |
BILLIARD ROOMS |
|
General Table special lighting |
100 |
CARD ROOMS |
300 |
GYMNASIA GENERAL |
500 |
SWIMMING POOL |
|
Top pool |
500 |
Spectator areas |
150 |
Club recreational |
300 |
Changing rooms showers, lookers rooms |
150 |
TABLE TENNIS |
|
Club |
300 |
Recreational |
200 |
HOSPITAL |
|
Ward unit bed heads general |
30 |
General |
150 |
Nurse station evening |
300 |
Pharmacies dispensing bench |
500 |
Shelves |
150 |
Reception general |
300 |
Enquiry desk |
500 |
Laboratories |
500 |
Operating theatre suits general |
400 |
Operating area |
30-50 |
X-ray department radio diagnostic and rooms fluoroscopy |
500 |
TRANSPORTS TERMINAL BUILDING |
|
Airport coach and railway station |
|
Reception areas (desk),customs and immigration halls |
500 |
Railway stations booking offices |
500 |
Railway station parcel and left luggage offices counters |
300 |
Circulation area |
150 |
Waiting area |
300 |
SCHOOL |
|
Assembly halls general |
300 |
Teaching spaces general |
300 |
Teaching spaces general |
300 |
General where also used for further education |
500 |
Chalkboard |
500 |
Beedlework rooms |
500 |
Laboratories |
500 |
Workshop |
300 |
Gymnasium |
300 |
Music practice rooms |
300 |
MUSEUM AND ART GALLERIES GENERAL |
|
Exhibits insensitive to light |
300 |
Light sensitive exhibits |
150 |
Specially light sensitive exhibit |
50 |
LIBRARIES |
|
Shelves, book stack |
150 |
Reading table |
300 |
Reading rooms, newspaper and magazines |
300 |
Reference libraries |
500 |
Counters |
500 |
Cataloging and sorting |
500 |
Binding |
500 |
Closed book store |
100 |
PUBLIC BUILDING ASSEMBLY AND CONCERT HALLS |
|
Theatre and concert halls |
100 |
Cinemas |
50 |
Multipurpose |
500 |
SHOP |
|
Conventional with counters |
500 |
Conventional with wall display |
500 |
Conventional with wall display |
500 |
SHOP |
|
Self service |
500 |
Supermarkets |
500 |
Hypermarkets |
500 |
General |
500 |
OFFICES AND SHOPS |
|
Executive office |
500 |
Computer rooms |
500 |
Punch card rooms |
750 |
Drawing offices drawing boards |
750 |
Reference table and general |
500 |
Print room |
300 |
OFFICE |
|
General office with mainly clerical task and typing office |
500 |
Deep plan general offices |
750 |
Business machine and typing |
750 |
Filling room |
300 |
Conference rooms |
750 |
Aircraft Industry |
|
Maintenance area |
750 |
Inspection area |
1000 |
Paint Shop |
1000 |
Testing area |
750 |
Instruments assembly |
1500 |
Electrical assembly |
1500 |
Explosives Manufacturing |
|
Furnaces, Boiling Tanks, Driers |
200 |
Mechanical furnaces, mechanical driers, generators |
500 |
Paint Shop |
|
Simple spraying |
200 |
Fine finishing |
500 |
Extra fine finishing |
2000 |
Paint Manufacturing |
|
Processing |
200-500 |
Mix comparison |
1000-2000 |
Electricity generating station |
|
Boilers area |
50 |
Cooling towers |
50 |
Fuel handling |
50 |
Storage tanks |
10 |
Transformer yards |
50 |
Turbine areas |
50 |
Petroleum, Chemical and Petrochemical Industry |
|
Process areas |
|
General process units |
|
Pump rows, valves, manifolds |
50 |
Heat exchangers |
30 |
Maintenance platforms |
10 |
Operating platforms |
50 |
Cooling towers (equipment areas) |
50 |
Furnaces |
30 |
Ladders and stairs (inactive) |
10 |
Ladders and stairs (active) |
50 |
Gauge glassed |
50 |
Instruments (on process units) |
50 |
Compressor house |
200 |
Separators |
50 |
General area |
10 |
Control rooms and houses |
|
Ordinary control house |
300 |
Instrument panel |
300 |
Console |
300 |
Back of panel |
100 |
Central control house |
500 |
Instrument panel |
500 |
Console |
500 |
Back of panel |
100 |
Specialty process units |
|
Electrolytic cell room |
50 |
Electric furnace |
50 |
Conveyors |
20 |
Conveyor transfer points Change house |
50 |
Locker room, shower |
100 |
Lavatory |
100 |
Clock house and entrance gatehouse Card rack and clock area |
100 |
Entrance gate, inspection |
150 |
General |
50 |
Cafeteria |
|
Eating |
300 |
Serving area |
300 |
Food preparation |
300 |
General, halls, etc. |
100 |
Garage and firehouse |
|
Storage and minor repairs |
100 |
First aid room |
700 |
Iron and Steel Industry |
|
Open hearth |
|
Stock yard |
100 |
Charging floor, Pouring side , Slag pits |
200 |
Control platforms |
300 |
Mold yard |
50 |
Kilns (operating area) |
50 |
Extruders and mixers |
200 |
Non process areas |
|
Loading, unloading, and cooling |
|
water pump houses |
|
Pump area |
50 |
General control area |
150 |
Control panel |
200 |
Boiler and air compressor plants |
|
Indoor equipments |
200 |
Outdoor equipments |
50 |
Tank fields (where lighting is required) |
|
Ladders and stairs |
5 |
Gauging area |
10 |
Manifold area |
5 |
Loading racks |
|
General area |
50 |
Tank car |
100 |
Tank trucks, loading point |
100 |
Electrical substations and switch yards |
|
Outdoor switch yards |
20 |
General substation outdoor |
20 |
Substation operating aisles |
150 |
General substation indoor |
50 |
Switch racks |
50 |
Plant road lighting (where lighting is Required) |
|
Frequent use (trucking) |
4 |
Infrequent use |
2 |
Plant parking lots Aircraft obstruction lighting |
1 |
Buildings |
|
Laboratories Qualitative, quantitative and physical test |
500 |
Research, experimental |
500 |
Pilot plant, process and specialty |
300 |
ASTM equipment knock test |
300 |
Glassware, washrooms |
300 |
Fume hoods |
300 |
Stock rooms |
150 |
Warehouse and stock rooms |
|
Indoor bulk storage |
50 |
Outdoor bulk storage |
5 |
Large bin storage |
50 |
Small bin storage |
100 |
Small parts storage |
200 |
Counter tops |
300 |
Repair shop |
|
Large fabrication |
200 |
Bench and machine work |
500 |
Craneway, aisles |
150 |
Small machine |
300 |
Sheet metal |
200 |
Electrical |
200 |
Instrument |
300 |
Hot top |
300 |
Hot top storage |
100 |
Checker cellar |
100 |
Buggy and door repair |
300 |
Stripping yard |
200 |
Scrap stockyard |
100 |
Mixer building |
300 |
Calcining building |
100 |
Skull cracker |
100 |
Rolling mills |
|
Blooming, scabbing, hot strip Hot sheet |
300 |
Cold strip, plate |
300 |
Pipe, rod, tube, wire drawing |
500 |
Merchant and sheared plate |
300 |
Tin plate mills Tinning and galvanizing |
500 |
Cold strip rolling |
500 |
Motor room, machine room Inspection |
1000 |
Black plate, bloom and billet chipping Tin plate and other bright surfaces |
2000 |