Electrical Thumb Rules-Illumination-(Part-17).

 

Lighting levels

Chartered Institution of Building Services Engineers (CIBSE)

BuildingLux
Areas common to most buildings
Entrance hall, lobby, waiting room200
Enquiry desk500
Corridor, passageway, stairs100
Atria50-200
Changing room, cloakroom, lavatory100
Rest room150
Canteen, cafeteria, dining room200
Kitchen300
Commercial offices 
General offices500
Computer workstations300-500
Conference rooms, executive offices500
Computer and data preparation rooms500
Filing room300
Banks and building societies 
Counter, office area500
Public area300
Hotels 
Entrance halls100
Reception, cashiers and porters’ desks300
Bars, coffee bars, dining rooms, grill rooms, restaurants, lounges50-200
Cloakrooms, baggage, rooms100
Bedrooms50-100
Bathrooms150
Kitchen150-300
Retailing 
Small retail outlets500
Grocery/vegetable stores500
Showrooms1000
Covered arcades and malls500-700
Fashion500-750
Supermarket750
Restaurant200
Bookshop, chemist, jeweler500
Superstore1000
Electrical/furniture store750
Arcades and malls50-300
Places of public assembly
Cinema and theatre foyer200
Booking office300
Auditoria100-150
Library150-300
Museum art gallery50-300
Lecture theatre300
Church100-300
School and College 
Computer Room300
Classroom and Tuition Centre350
Technical Drawing Room750
Museum and Science Centre 
General Area and Corridor150
Common Toilet and Restroom200
Special Lighting for Paintings300
Special Lighting for Sculptures750
Retail Shop and Outlet 
Sales Area and Premises400
Gift Wrap Station450
Cash Register Counter500
Commercial Space and Office 
Lift Lobby200
Corridor300
Toilet and Restroom150
Cafeteria350
Plant Room (AHU, Genset etc.)150
Store Room180
Hospital 
Lift Lobby200
Corridor250
Waiting Area and Lobby300
Common Toilet and Restroom250
Waiting rooms200
Counseling Room200
Breast-Feeding Room200
Intensive Care Unit300
High Dependency Unit300
Isolation Room300
Isolation Room – Ante Room300
Delivery Suite – Labor Room300
Simple examination room300
Operating Theatre – Air-Lock300
CSSD/TSSU – Sterilization Area300
CSSD/TSSU – Packing Area500
Patient Ward – Room300
Patient Ward – Toilet150
Operating theatre1000
Conference Room400
Catering Dept – Main Kitchen400
Catering Dept – Beverage Kitchen300
Catering Dept – Refuse Holding150
Nursing Homes
Entrance lobbies200
Lounges (communal)300
Kitchens300
Bathrooms150
Toilets100
Corridors100
Staircases100
Quiet / rest rooms100
Dining rooms200
Stores100
Hotel and Restaurant 
Lift Lobby150
Corridor150
Common Toilet and Restroom150
Bar150
Bedroom200
Conference Room400
Exhibition Hall500
Cinema, Concert Hall and Theatre 
Entrance Foyer200
Auditorium150
Toilet and Restroom200
Dress Change300
Make-Up Room400
Residential Buildings 
Living Room200
Dining Room250
Kitchen250
Bedroom180
Bathroom150

 

Lighting Levels

Chartered Institution of Building Services Engineers (CIBSE)

AreaIlluminance (lux)
Lifts100
Corridors and stairs100
Toilets100
Canteens300
Mess rooms150 – 300
Plant rooms150 – 300
Store rooms100

 

Recommended Lighting Levels

Singapore Standards SS 531-1 : 2006 (2013)

Type of area, task or activityLux
Shipyards & Docks 
Shipyard area, storage areas20
Short term handling of large units20
Ship hull cleaning50
Ship hull painting and welding100
Mounting of electrical and mechanical components200
Building Sites 
Clearance, excavation and loading20
Construction areas, drain pipes mounting, auxiliary and storage tasks50
Framework element mounting, light reinforcement work, wooden mould and framework mounting, electric piping and cabling100
Element jointing, electrical machine and pipe mountings200
Very Low Risk: Storage areas with occasional traffic in industrial outdoor5
Low Risk: Occasionally used platforms and stairs in petrochemical industries10
Medium Risk: Pre-Fabrication yards, Vehicle storage, Fuel storage20
High Risk: Areas with pits / excavations, Valves, compressors area, regularly used staircase and platforms50
Office Interior 
Filing, copying300
Writing, reading, Data processing500
Technical drawings750
CAD work stations500
Conf& Meeting rooms500
Reception desk300

 

Recommended Lighting Levels 

SAUDI STANDARD-4520

AreaLux
General Area
Entrance halls100
Lounges200
Circulation area and corridors100
Stairs, escalators, travelators150
Loading ramps/bays150
Canteens200
Rest rooms100
Rooms for physical exercise300
Cloakrooms, washrooms, bathrooms, toilets200
Sick bay500
Rooms for medical attention500
Plant rooms, switch gear rooms500
Dispatch packing handling areas300
Control station150
Agriculture building
Loading and operating of goods handling equipment and machinery200
Building for livestock50
Sick animal pens, calving stalls200
Feed preparation, dairy, utensil washing200
Bakeries
Preparation and baking300
Finishing, glazing,decorating500
Cement, concrete, & bricks industry
Drying50
Preparation of materials,work on kilns and mixers200
General machine work300
Rough forms300
Ceramics and glass industry
Drying50
Preparation, general machine work300
Enameling, rolling, pressing, shaping simple parts, glazing300
Grinding, engraving, glass polishing, shaping precision parts, manufacture of glass instruments750
Decorative work500
Grinding of optical glass, crystal hand grinding and engraving, work on average goods750
Precision work e.g decorative grinding, hand painting1000
Manufacture of synthetic stones precious1500
Chemicals, plastics and rubber industry
Remote operated processing installations50
Processing installations with limited manual intervention150
Constantly manned work places in processing installations300
Precision measuring rooms, laboratories500
Pharmaceutical production500
Tire production500
Color inspection1000
Cutting, finishing, inspection750
Electrical industry
Cable and wire manufacture300
Wending -large coils300
Wending-medium-sized coils500
Wending-small Coils750
Coil impregnating300
Galvanizing300
Assembly work-rough e.g. large transformers300
Assembly work- medium e.g. switchboards500
Assembly work- fine e.g. telephones750
Assembly work-precision e.g. measuring equip.1000
Assembly work-Electronic workshops, testing, adjusting1500
Mosques
Prayer Area, Mosques300
Airports
Arrival and departure halls, baggage claim areas200
Connecting areas, escalators, travelators150
Information desks, check in desks500
Customs and passport control desks500
Waiting areas200
Luggage store rooms200
Security check areas300
Air traffic control tower500
Air traffic rooms500
Testing and repair hangars500
Engine test areas500
Measuring areas in hangars500
Platforms and passenger subways (underpasses)50
Ticket hall and concourse200
Ticket and luggage offices and counters300
Waiting rooms200
Health care premises
Waiting rooms200
Corridors: during the day200
Corridors: during the night50
Day rooms200
Staff office500
Staff rooms300
 Wards-General lighting100
 Wards-Reading lighting300
Wards-Simple examination300
Examination and treatment1000
Night lighting, observation lighting5
Bathrooms and toilets for patients200
Examination room general500
Ear and eye examination1000
Reading and Color vision test with vision charts500
Scanners with image enhancers and television systems50
Dialysis rooms500
Dermatology rooms500
Endoscopy rooms300
Plaster rooms500
Medical baths300
Massage and radiotherapy300
Pre-operation and recovery rooms500
Operating theatre1000
Intensive care- General lighting100
Intensive care- Simple examinations300
Intensive care-Examination and treatment1000
Intensive care– Night watch20
Dentists- General lighting500
Dentists- At the patient1000
Dentists- Operating cavity5000
Dentists- White teeth matching5000
Color inspection (laboratories)1000
Sterilization rooms300
Disinfection rooms300
Autopsy rooms and mortuaries500
Autopsy table and dissecting table5000
Educational buildings
Play school room300
Nursery class300
Nursery craft room300
Classrooms, tutorial rooms300
Classroom for evening classes and adults education500
Lecture hall500
Black board500
Demonstration table500
Art and craft rooms500
Art rooms in art schools750
Technical drawing rooms750
Practical rooms and laboratories500
Teaching workshop500
Music practice rooms300
Computer practice rooms500
Language laboratory300
Preparation rooms and workshops500
Student common rooms and assembly halls200
Teachers rooms300
Sports halls, gymnasiums and swimming pools300
Public car parks (indoor)
In/out ramps300
In/out ramps (at night) 75
Traffic lanes75
Parking areas75
Ticket office300
Libraries
Bookshelves200
Reading area500
Counters500
Places of entertainment
Theatres & concert halls200
Multipurpose halls300
Practice rooms, dressing rooms300
Museums (general)300
Restaurants and hotels
Reception/cashier desk, porters desk300
Kitchen500
Restaurant, dining room, function room200
Self-service restaurant200
Buffet300
Conference rooms500
Corridors100
Retailing
Sales area small300
Sales area large500
Till area500
Wrapper table500

 

Illuminance values

As per IES

Area TypeLux
CIRCULATION AREA
Corridors, Passageway100
Lift150
Stairs150
Escalator150
External Covered Ways30
ENTRANCES
Entrance halls, lobbies, waiting rooms150
Enquiry desk500
Gate houses300
KITCHENS
Foods stores150
General500
OUTDOOR
Controlled entrance halls or  exit gate150
Entrance and exit car park30
Stores, stockyards30
Industrial covered ways50
STAFF RESTAURANTS
Centre cafeterias, dining room300
MEDICAL AND FIRST AIDS CENTRES
Consultant room, treatment areas500
Medical stores100
Rest room150
STAFF ROOM
Changing locker and cleaner’s room, cloakrooms lavatories150
Rest rooms150
STORE AND STOCK ROOMS150
Telecommunication board,switchboard rooms500
Cordless switchboard300
Apparatus rooms150
Teteprinter rooms500
AIRCRAFT MAINTENANCE HANGERS
Aircraft engine testing750
Inspection and repairs (hanger)500
GARAGES
External apron general50
Pumps300
Parking areas (interior) general repairs servicing30
Greasing, pits washing, polishing500
GAS WORKS
Exterior walkways and platforms50
Exterior stairs and ladders100
Retort house, oil gas plants, watergas plant purifier, indoor coke100
Booster and exhauster houses150
GAUGE TOOLS ROOMS
General1000
INSPECTION & TESTING SHOP
Rough work e.g. counting rough Checking of stock parts300
sub-assemblies500
Fine work e.g. radio and telecommunication equipment, calibrated scales, precision mechanism, instruments1000
Very fine work e.g. gauging and inspections of small intricate parts1500
Minute work e.g. very small instruments3000
HOMES
Living rooms general50
Casual reading150
Sewing darningsrudies desk and protuged300
Bedroom general50
Bed lead kitchen150
Bathrooms100
Halls and landings150
Stairs100
Workshops300
Garages50
INDOOR SPORTS AND RECREATIONAL BUILDING
MULTIPURPOSE SPORTS HALLS
Athletics, basketball, bowls, judo300
Hockey700
BADMINTON COURTS300
BILLIARD ROOMS
General  Table special lighting100
CARD ROOMS300
GYMNASIA GENERAL500
SWIMMING POOL
Top pool500
Spectator areas150
Club recreational300
Changing rooms showers, lookers rooms150
TABLE TENNIS
Club300
Recreational200
HOSPITAL
Ward unit bed heads general30
General150
Nurse station evening300
Pharmacies dispensing bench500
Shelves150
Reception general300
Enquiry desk500
Laboratories500
Operating theatre suits general400
Operating area30-50
X-ray department radio diagnostic and rooms fluoroscopy500
TRANSPORTS TERMINAL BUILDING
Airport coach and railway station
Reception areas (desk),customs and immigration halls500
Railway stations booking offices500
Railway station parcel and left luggage offices counters300
Circulation area150
Waiting area300
SCHOOL
Assembly halls general300
Teaching spaces general300
Teaching spaces general300
General where also used for further education500
Chalkboard500
Beedlework rooms500
Laboratories500
Workshop300
Gymnasium300
Music practice rooms300
MUSEUM AND ART GALLERIES GENERAL
Exhibits insensitive to light300
Light sensitive exhibits150
Specially light sensitive exhibit50
LIBRARIES
Shelves, book stack150
Reading table300
Reading rooms, newspaper and magazines300
Reference libraries500
Counters500
Cataloging and sorting500
Binding500
Closed book store100
PUBLIC BUILDING ASSEMBLY AND CONCERT HALLS
Theatre and concert halls100
Cinemas50
Multipurpose500
SHOP
Conventional with counters500
Conventional with wall display500
Conventional with wall display500
SHOP
Self service500
Supermarkets500
Hypermarkets500
General500
OFFICES AND SHOPS
Executive office500
Computer rooms500
Punch card rooms750
Drawing offices drawing boards750
Reference table and general500
Print room300
OFFICE
General office with mainly clerical task and typing office500
Deep plan general offices750
Business machine and typing750
Filling room300
Conference rooms750
Aircraft Industry
Maintenance area750
Inspection area1000
Paint Shop1000
Testing area750
Instruments assembly1500
Electrical assembly1500
Explosives Manufacturing
Furnaces, Boiling Tanks, Driers200
Mechanical furnaces, mechanical driers, generators500
Paint Shop
Simple spraying200
Fine finishing500
Extra fine finishing2000
Paint Manufacturing
Processing200-500
Mix comparison1000-2000
Electricity generating station
Boilers area50
Cooling towers50
Fuel handling50
Storage tanks10
Transformer yards50
Turbine areas50
Petroleum, Chemical and Petrochemical Industry
Process areas
General process units
Pump rows, valves, manifolds50
Heat exchangers30
Maintenance platforms10
Operating platforms50
Cooling towers (equipment areas)50
Furnaces30
Ladders and stairs (inactive)10
Ladders and stairs (active)50
Gauge glassed50
Instruments (on process units)50
Compressor house200
Separators50
General area10
Control rooms and houses
Ordinary control house300
Instrument panel300
Console300
Back of panel100
Central control house500
Instrument panel500
Console500
Back of panel100
Specialty process units
Electrolytic cell room50
Electric furnace50
Conveyors20
Conveyor transfer points Change house50
Locker room, shower100
Lavatory100
Clock house and entrance gatehouse Card rack and clock area100
Entrance gate, inspection150
General50
Cafeteria
Eating300
Serving area300
Food preparation300
General, halls, etc.100
Garage and firehouse
Storage and minor repairs100
First aid room700
Iron and Steel Industry
Open hearth
Stock yard100
Charging floor, Pouring side , Slag pits200
Control platforms300
Mold yard50
Kilns (operating area)50
Extruders and mixers200
Non process areas
Loading, unloading, and cooling
water pump houses
Pump area50
General control area150
Control panel200
Boiler and air compressor plants
Indoor equipments200
Outdoor equipments50
Tank fields (where lighting is required)
Ladders and stairs5
Gauging area10
Manifold area5
Loading racks
General area50
Tank car100
Tank trucks, loading point100
Electrical substations and switch yards
Outdoor switch yards20
General substation outdoor20
Substation operating aisles150
General substation indoor50
Switch racks50
Plant road lighting (where lighting is Required)
Frequent use (trucking)4
Infrequent use2
Plant parking lots Aircraft obstruction lighting1
Buildings
Laboratories Qualitative, quantitative and physical test500
Research, experimental500
Pilot plant, process and specialty300
ASTM equipment knock test300
Glassware, washrooms300
Fume hoods300
Stock rooms150
Warehouse and stock rooms
Indoor bulk storage50
Outdoor bulk storage5
Large bin storage50
Small bin storage100
Small parts storage200
Counter tops300
Repair shop
Large fabrication200
Bench and machine work500
Craneway, aisles150
Small machine300
Sheet metal200
Electrical200
Instrument300
Hot top300
Hot top storage100
Checker cellar100
Buggy and door repair300
Stripping yard200
Scrap stockyard100
Mixer building300
Calcining building100
Skull cracker100
Rolling mills
Blooming, scabbing, hot strip Hot sheet300
Cold strip, plate300
Pipe, rod, tube, wire drawing500
Merchant and sheared plate300
Tin plate mills Tinning and galvanizing500
Cold strip rolling500
Motor room, machine room Inspection1000
Black plate, bloom and billet chipping Tin plate and other bright surfaces2000