|
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 |