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

 

Lighting levels
Chartered Institution of Building Services Engineers (CIBSE)
Building	Lux
Areas common to most buildings
Entrance hall, lobby, waiting room	200
Enquiry desk	500
Corridor, passageway, stairs	100
Atria	50-200
Changing room, cloakroom, lavatory	100
Rest room	150
Canteen, cafeteria, dining room	200
Kitchen	300
Commercial offices
General offices	500
Computer workstations	300-500
Conference rooms, executive offices	500
Computer and data preparation rooms	500
Filing room	300
Banks and building societies
Counter, office area	500
Public area	300
Hotels
Entrance halls	100
Reception, cashiers and porters’ desks	300
Bars, coffee bars, dining rooms, grill rooms, restaurants, lounges	50-200
Cloakrooms, baggage, rooms	100
Bedrooms	50-100
Bathrooms	150
Kitchen	150-300
Retailing
Small retail outlets	500
Grocery/vegetable stores	500
Showrooms	1000
Covered arcades and malls	500-700
Fashion	500-750
Supermarket	750
Restaurant	200
Bookshop, chemist, jeweler	500
Superstore	1000
Electrical/furniture store	750
Arcades and malls	50-300
Places of public assembly
Cinema and theatre foyer	200
Booking office	300
Auditoria	100-150
Library	150-300
Museum art gallery	50-300
Lecture theatre	300
Church	100-300
School and College
Computer Room	300
Classroom and Tuition Centre	350
Technical Drawing Room	750
Museum and Science Centre
General Area and Corridor	150
Common Toilet and Restroom	200
Special Lighting for Paintings	300
Special Lighting for Sculptures	750
Retail Shop and Outlet
Sales Area and Premises	400
Gift Wrap Station	450
Cash Register Counter	500
Commercial Space and Office
Lift Lobby	200
Corridor	300
Toilet and Restroom	150
Cafeteria	350
Plant Room (AHU, Genset etc.)	150
Store Room	180
Hospital
Lift Lobby	200
Corridor	250
Waiting Area and Lobby	300
Common Toilet and Restroom	250
Waiting rooms	200
Counseling Room	200
Breast-Feeding Room	200
Intensive Care Unit	300
High Dependency Unit	300
Isolation Room	300
Isolation Room – Ante Room	300
Delivery Suite – Labor Room	300
Simple examination room	300
Operating Theatre – Air-Lock	300
CSSD/TSSU – Sterilization Area	300
CSSD/TSSU – Packing Area	500
Patient Ward – Room	300
Patient Ward – Toilet	150
Operating theatre	1000
Conference Room	400
Catering Dept – Main Kitchen	400
Catering Dept – Beverage Kitchen	300
Catering Dept – Refuse Holding	150
Nursing Homes
Entrance lobbies	200
Lounges (communal)	300
Kitchens	300
Bathrooms	150
Toilets	100
Corridors	100
Staircases	100
Quiet / rest rooms	100
Dining rooms	200
Stores	100
Hotel and Restaurant
Lift Lobby	150
Corridor	150
Common Toilet and Restroom	150
Bar	150
Bedroom	200
Conference Room	400
Exhibition Hall	500
Cinema, Concert Hall and Theatre
Entrance Foyer	200
Auditorium	150
Toilet and Restroom	200
Dress Change	300
Make-Up Room	400
Residential Buildings
Living Room	200
Dining Room	250
Kitchen	250
Bedroom	180
Bathroom	150

 

Lighting Levels
Chartered Institution of Building Services Engineers (CIBSE)
Area	Illuminance (lux)
Lifts	100
Corridors and stairs	100
Toilets	100
Canteens	300
Mess rooms	150 – 300
Plant rooms	150 – 300
Store rooms	100

 

Recommended Lighting Levels
Singapore Standards SS 531-1 : 2006 (2013)
Type of area, task or activity	Lux
Shipyards & Docks
Shipyard area, storage areas	20
Short term handling of large units	20
Ship hull cleaning	50
Ship hull painting and welding	100
Mounting of electrical and mechanical components	200
Building Sites
Clearance, excavation and loading	20
Construction areas, drain pipes mounting, auxiliary and storage tasks	50
Framework element mounting, light reinforcement work, wooden mould and framework mounting, electric piping and cabling	100
Element jointing, electrical machine and pipe mountings	200
Very Low Risk: Storage areas with occasional traffic in industrial outdoor	5
Low Risk: Occasionally used platforms and stairs in petrochemical industries	10
Medium Risk: Pre-Fabrication yards, Vehicle storage, Fuel storage	20
High Risk: Areas with pits / excavations, Valves, compressors area, regularly used staircase and platforms	50
Office Interior
Filing, copying	300
Writing, reading, Data processing	500
Technical drawings	750
CAD work stations	500
Conf& Meeting rooms	500
Reception desk	300

 

Recommended Lighting Levels
SAUDI STANDARD-4520
Area	Lux
General Area
Entrance halls	100
Lounges	200
Circulation area and corridors	100
Stairs, escalators, travelators	150
Loading ramps/bays	150
Canteens	200
Rest rooms	100
Rooms for physical exercise	300
Cloakrooms, washrooms, bathrooms, toilets	200
Sick bay	500
Rooms for medical attention	500
Plant rooms, switch gear rooms	500
Dispatch packing handling areas	300
Control station	150
Agriculture building
Loading and operating of goods handling equipment and machinery	200
Building for livestock	50
Sick animal pens, calving stalls	200
Feed preparation, dairy, utensil washing	200
Bakeries
Preparation and baking	300
Finishing, glazing,decorating	500
Cement, concrete, & bricks industry
Drying	50
Preparation of materials,work on kilns and mixers	200
General machine work	300
Rough forms	300
Ceramics and glass industry
Drying	50
Preparation, general machine work	300
Enameling, rolling, pressing, shaping simple parts, glazing	300
Grinding, engraving, glass polishing, shaping precision parts, manufacture of glass instruments	750
Decorative work	500
Grinding of optical glass, crystal hand grinding and engraving, work on average goods	750
Precision work e.g decorative grinding, hand painting	1000
Manufacture of synthetic stones precious	1500
Chemicals, plastics and rubber industry
Remote operated processing installations	50
Processing installations with limited manual intervention	150
Constantly manned work places in processing installations	300
Precision measuring rooms, laboratories	500
Pharmaceutical production	500
Tire production	500
Color inspection	1000
Cutting, finishing, inspection	750
Electrical industry
Cable and wire manufacture	300
Wending -large coils	300
Wending-medium-sized coils	500
Wending-small Coils	750
Coil impregnating	300
Galvanizing	300
Assembly work-rough e.g. large transformers	300
Assembly work- medium e.g. switchboards	500
Assembly work- fine e.g. telephones	750
Assembly work-precision e.g. measuring equip.	1000
Assembly work-Electronic workshops, testing, adjusting	1500
Mosques
Prayer Area, Mosques	300
Airports
Arrival and departure halls, baggage claim areas	200
Connecting areas, escalators, travelators	150
Information desks, check in desks	500
Customs and passport control desks	500
Waiting areas	200
Luggage store rooms	200
Security check areas	300
Air traffic control tower	500
Air traffic rooms	500
Testing and repair hangars	500
Engine test areas	500
Measuring areas in hangars	500
Platforms and passenger subways (underpasses)	50
Ticket hall and concourse	200
Ticket and luggage offices and counters	300
Waiting rooms	200
Health care premises
Waiting rooms	200
Corridors: during the day	200
Corridors: during the night	50
Day rooms	200
Staff office	500
Staff rooms	300
Wards-General lighting	100
Wards-Reading lighting	300
Wards-Simple examination	300
Examination and treatment	1000
Night lighting, observation lighting	5
Bathrooms and toilets for patients	200
Examination room general	500
Ear and eye examination	1000
Reading and Color vision test with vision charts	500
Scanners with image enhancers and television systems	50
Dialysis rooms	500
Dermatology rooms	500
Endoscopy rooms	300
Plaster rooms	500
Medical baths	300
Massage and radiotherapy	300
Pre-operation and recovery rooms	500
Operating theatre	1000
Intensive care- General lighting	100
Intensive care- Simple examinations	300
Intensive care-Examination and treatment	1000
Intensive care– Night watch	20
Dentists- General lighting	500
Dentists- At the patient	1000
Dentists- Operating cavity	5000
Dentists- White teeth matching	5000
Color inspection (laboratories)	1000
Sterilization rooms	300
Disinfection rooms	300
Autopsy rooms and mortuaries	500
Autopsy table and dissecting table	5000
Educational buildings
Play school room	300
Nursery class	300
Nursery craft room	300
Classrooms, tutorial rooms	300
Classroom for evening classes and adults education	500
Lecture hall	500
Black board	500
Demonstration table	500
Art and craft rooms	500
Art rooms in art schools	750
Technical drawing rooms	750
Practical rooms and laboratories	500
Teaching workshop	500
Music practice rooms	300
Computer practice rooms	500
Language laboratory	300
Preparation rooms and workshops	500
Student common rooms and assembly halls	200
Teachers rooms	300
Sports halls, gymnasiums and swimming pools	300
Public car parks (indoor)
In/out ramps	300
In/out ramps (at night)	75
Traffic lanes	75
Parking areas	75
Ticket office	300
Libraries
Bookshelves	200
Reading area	500
Counters	500
Places of entertainment
Theatres & concert halls	200
Multipurpose halls	300
Practice rooms, dressing rooms	300
Museums (general)	300
Restaurants and hotels
Reception/cashier desk, porters desk	300
Kitchen	500
Restaurant, dining room, function room	200
Self-service restaurant	200
Buffet	300
Conference rooms	500
Corridors	100
Retailing
Sales area small	300
Sales area large	500
Till area	500
Wrapper table	500

 

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