Quick Reference Lighting Power Densities

 

Lighting Power Densities for Building Exteriors

ASHRAE 90.1-2004, Table 9.4.5

Tradable Surfaces LPD

Uncovered Parking Areas –Parking Lots and drives

0.15 W/ft²

Building Grounds –Walkways less than 10 feet wide

1.0 W/linear foot

Building Grounds –Walkways 10 feet wide or greater; Plaza areas; Special Feature Areas

0.2 W/ft²

Building Grounds –Stairways

1.0 W/ft²
Building Entrances and Exits –Main entries

30 W/linear foot of door width

Building Entrances and Exits –Other doors

20 W/linear foot of door width

Canopies and Overhangs –free standing and attached

1.25 W/ft²

Outdoor Sales –Open areas (including vehicle sales lots)

0.5 W/ft²
Outdoor Sales –Street frontage for vehicle sales lots in addition to “open area” allowance

20 W/linear foot

 

Lighting Power Density

AS per CPWD

Building Area Type

LPD (W/m2)
Automotive Facility

9.7

Multifamily Residential

7.5

Convention Centre

12.9
Museum

11.8

Dining : Bar Lounge/ Leisure

14

Office

10.8
Dining : Cafeteria/ Fast Food

15.1

Parking Garage

3.2
Dining : Family

17.2

Performing Arts Theatre

17.2
Dormitory/ Hostel

10.8

Police/ Fire Station

10.8
Gymnasium  

11.8

Post Office/ Town Hall

11.8
Health care-Clinic

10.8

Religious Building

14
Hospital/ Health Care

12.9

Retail/ Mall

16.1
Hotel

10.8

School/ University

12.9
Library

14

Sports Arena

11.8
Manufacturing Facility

14

Transportation

10.8
Motel

10.8

Motion Picture Theatre

12.9
Warehouse

8.6

Workshop

15.1

 

Interior Lighting Power Space Density As per  Function Method

AS per CPWD

Building Area Type

LPD (W/m2)
Office-enclosed

11.8

Office-open plan

11.8
Conference/ Meeting/ Multipurpose

14

Classroom/Lecture/ Training

15.1
Lobby

14

• For Hotel

11.8

• For Performing Arts Theatre

35.5

• For Motion Picture Theatre

11.8

Audience/ Seating Area

9.7

• For Gymnasium

4.3
• For Convention Centre

7.5

• For Religious Buildings

18.3
• For Sports Arena

4.3

• For Performing Arts Theatre

28

• For Motion Picture Theatre

12.9
• For Transportation

5.4

Atrium-first three floors

6.5

Atrium-each additional floor

2.2
Lounge/ Recreation

12.9

• For Hospital

8.6
Dining Area

9.7

• For Hotel

14
• For Motel

12.9

• For Bar Lounge/ Leisure Dining

15.1
• For Family Dining

22.6

• Food Preparation

12.9
Laboratory

15.1

Restrooms

9.7

Dressing/ Lockers/ Fitting Room

6.5
Corridor/ Transition

5.4

• For Hospital

10.8
• For Manufacturing facility

5.4

Stairs-active

6.5

Active Storage

8.6

• For Hospital

9.7

Inactive Storage

3.2
• For Museum

8.6

Electrical/ Mechanical Facility

16.1
For Indoor Field Area

15.1

Warehouse

• For Fine Material Storage

15.1

• For Medium/ Bulky Material

Storage

9.7

Workshop

20.5

Convention Centre – Exhibit Space

14

Library

• For Card File & Cataloguing

11.8

• For Stacks

18.3
• For Reading Area

12.9

Hospital

• For Emergency

29.1

• For Recovery

8.6

• For Nurse Station

10.8

• For Exam Treatment

16.1

• For Pharmacy

12.9
• For Patient Room

7.5

• For Operating Room

23.7
• For Nursery

6.5

• For Medical Supply

15.1
• For Physical Therapy

9.7

• For Radiology

4.3
• For Laundry – Washing

6.5

Automotive – Service Repair Manufacturing Facility

7.5
• For Low Bay (<8m ceiling)

12.9

• For High Bay (>8m ceiling)

18.3
• For Detailed Manufacturing

22.6

• For Equipment Room

12.9
• For Control Room

5.4

Hotel/ Motel Guest Rooms

11.8
Dormitory – Living Quarters

11.8

Museum

• For General Exhibition

10.8

• For Restoration

18.3
Bank Office – Banking Activity Area

16.1

Retail

• For Sales Area

18.3

• For Mall Concourse

18.3

Sports Arena

• For Rising Sports Area

29.1
• For Court Sports Area

24.8

Parking Garage – Garage Area

2.2
Transportation

• For Airport – Concourse

6.5
• For Air/ Train/ Bus-Baggage Area

10.8

• For Ticket Counter Terminal

16.1

 

Exterior Lighting Power Space Density

AS per CPWD

Exterior Lighting Applications Power Limits
Building entrance (with canopy) 13 W/m2 of canopied area
Building entrance (without canopy) 90 W/linear meter of door width
Building exit 60 W/linear meter of door width
Building facades 2 W/m2 of vertical facade area2

 

 

 

Lighting Power Densities for Buildings Except Low-Rise Residential Buildings

ANSI/ASHRAE/IES Standard 90.1-2010: Table 9.6.11

Common  Space Type LPD (W/ft²)
Conference/Meeting/Multipurpose 1.23
Corridor/Transition 0.66
Dining Area 0.65
Electrical/Mechanical 0.95
Food Preparation 0.99
Lobby 0.99
Lobby for Elevator 0.64
Lounge/Recreation 0.73
Office: Enclosed 1.11
Office: Open Plan 1.11
Restrooms 0.98
Stairway 0.69
Storage 0.63
Workshop 1.59

 

Lighting Power Densities Using the Building Area Method

ASHRAE-TABLE 9.5.1

Building Area Type LPD
Automotive facility 0.82W/ft2
Convention center 1.08W/ft2
Courthouse 1.05W/ft2
Dining: bar lounge/leisure 0.99W/ft2
Dining: cafeteria/fast food 0.90W/ft2
Dining: family 0.89W/ft2
Dormitory 0.61W/ft2
Exercise center 0.88W/ft2
Fire station 0.71W/ft2
Gymnasium 1.00W/ft2
Health-care clinic 0.87W/ft2
Hospital 1.21W/ft2
Hotel 1.00W/ft2
Library 1.18W/ft2
Manufacturing facility 1.11W/ft2
Motel 0.88W/ft2
Motion picture theater 0.83W/ft2
Multifamily 0.60W/ft2
Museum 1.06W/ft2
Office 0.90W/ft2
Parking garage 0.25W/ft2
Penitentiary 0.97W/ft2
Performing arts theater 1.39W/ft2
Police station 0.96W/ft2
Post office 0.87W/ft2
Religious building 1.05W/ft2
Retail 1.40W/ft2
School/university 0.99W/ft2
Sports arena 0.78W/ft2
Town hall 0.92W/ft2
Transportation –Airport 0.77W/ft2
Warehouse 0.66W/ft2
Workshop 1.20 W/ft2

 

Maximum Illumination Power Densities    

Building Code of Australia (BCA)

Lux Level of Rooms LPD
< 80 Lux: 7.5 Watt/M2
80 To 160 Lux 9 Watt/M2
160 To 240 Lux 10 Watt/M2
240 To 320 Lux 11 Watt/M2
320 To 400 Lux 12 Watt/M2
400 To 480 Lux 13 Watt/M2
480 To 540 Lux 14 Watt/M2
540 To 620 Lux 15 Watt/M2

 

 ILLUMINATION POWER DENSITY

Building Code of Australia (BCA)

Space LPD
Auditorium, church and public hall 10 Watt/M2
Boardroom and conference room 10 Watt/M2
Carpark – general 6 Watt/M2
Carpark – entry zone (first 20m of travel) 25 Watt/M2
Common rooms, spaces and corridors in a Class 2 building 8 Watt/M2
Control room, switch room, and the like 9 Watt/M2
Corridors 8 Watt/M2
Courtroom 12 Watt/M2
Dormitory of a Class 3 building used for sleeping only 6 Watt/M2
Dormitory of a Class 3 building used for sleeping and study 9 Watt/M2
Entry lobby from outside the building 15 Watt/M2
Health-care – children’s ward 10 Watt/M2
Health-care – examination room 10 Watt/M2
Health-care – patient ward 7 Watt/M2
Health-care – all patient care areas including corridors 13 Watt/M2
Kitchen and food preparation area 8 Watt/M2
Laboratory – artificially lit to an ambient level of 400 lx or more 12 Watt/M2
Library – stack and shelving area 12 Watt/M2
Library – reading room and general areas 10 Watt/M2
Lounge area for communal use in a Class 3 building or Class 9c 10 Watt/M2
Museum and gallery – circulation, cleaning and service lighting 8 Watt/M2
Office – artificially lit to an ambient level of 200 lx or more 9 Watt/M2
Office – artificially lot to an ambient level of less than 200 lx 7 Watt/M2
Plant room 5 Watt/M2
Restaurant, Cafe, bar, hotel lounge and a space for the serving of food or drinks 18 Watt/M2
Retail space including a museum and gallery whose purpose is the sale of objects 22 Watt/M2
School – general purpose learning areas and tutorial rooms 8 Watt/M2
Sole-occupancy unit of a Class 3 building 5 Watt/M2
Sole-occupancy unit of a Class 9c building 7 Watt/M2
Storage with shelving no higher than 75% of the height of the aisle lighting 8 Watt/M2
Storage with shelving higher than 75% of the height of the aisle lighting 10 Watt/M2
Service area, cleaner’s room and the like 5 Watt/M2
Toilet, locker room, staff room, rest room and the like 6 Watt/M2
Wholesale storage and display area 10 Watt/M2

 

MAXIMUM ILLUMINATION POWER DENSITY

Building Code of Australia (BCA)

Illumination LPD (Watt/M2)
Rooms to achieve
<80 lux 7.5
80 – 160 lux 9
160 – 240 lux 10
240 – 320 lux 11
320 – 400 lux 12
400 – 480 lux 13
480 – 540 lux 14
540 – 620 lux 15
>620 lux 80

 

Recommended LPD for Buildings

ECBC-2007

Building Area LPD (Watt/M2)
Automotive Facility 9.7
Convention Center 12.9
Dining: Bar Lounge/Leisure 14.0
Dining: Cafeteria/Fast Food 15.1
Dining: Family 17.2
Dormitory/Hostel 10.8
Gymnasium 11.8
Healthcare-Clinic 10.8
Hospital/Health Care 12.9
Hotel 10.8
Library 14.0
Manufacturing Facility 14.0
Motel 10.8
Motion Picture Theater 12.9
Multifamily Residential 7.5
Museum 11.8
Office 10.8
Parking Garage 3.2
Performing Arts Theatre 17.2
Police/Fire Station 10.8
Post Office/Town Hall 11.8
Religious Building 14.0
Retail/Mall 16.1
School/University 12.9
Sports Arena 11.8
Transportation 10.8
Warehouse 8.6
Workshop 15.1

 

Lighting Power Density

BEC-Table 5.4

Building Area LPD (Watt/M2)
Atrium / Foyer with headroom over 5m 17
Bar / Lounge 14
Banquet Room / Function Room / Ball Room 20
Canteen 11
Car Park 5
Classroom / Training Room 12
Clinic 15
Computer Room / Data Centre 15
Conference / Seminar Room 14
Corridor 8
Court Room 15
Dormitory 8
Entrance Lobby 14
Exhibition Hall / Gallery 17
Guest room in Hotel or Guesthouse 13
Gymnasium / Exercise Room 13
Kitchen 13
Laboratory 15
Lecture Theatre 13
Library – Reading Area, Stack Area or Audio Visual Centre 15
Lift Car 11
Lift Lobby 11
Loading & Unloading Area 8
Office, enclosed (Internal floor area at or below 15m2) 13
Office, open plan or with internal floor area above 15m2 12
Passenger Terminal Building 14
Arrival Hall /Departure Hall with headroom not exceeding 5m 18
Arrival Hall / Departure Hall with headroom over 5m 13
Passenger circulation area
Patient Ward / Day Care 15
Plant Room / Machine Room / Switch Room 10
Public Circulation Area 13
Railway Station
Concourse / Platform / Entrance / Adit / Staircase, with headroom not exceeding 5 m 14
Concourse / Platform / Entrance / Adit / Staircase, with headroom over 5 m 18
Refuge Floor 11
Restaurant 17
Retail 17
School hall 14
Seating Area inside Theatre / Cinema /Auditorium / Concert Hall / Arena 10
Server Room / Hub Room 10
Sports Arena, Indoor, for recreational purpose 17
Staircase 7
Storeroom / Cleaner 9
Toilet / Washroom / Shower Room 11
Workshop 13

 

Lighting Power Densities

ASHRAE –TABLE- 9.6.1

Building Area Type LPD (W/m2) LPD (W/m2)
Atrium (First 40 ft in height ) 0.03
Atrium (Above 40 ft in height ) 0.02
Audience/Seating Area
Permanent  For auditorium 0.79
For Performing Arts Theater 2.43
For Motion Picture Theater 1.14
Classroom/Lecture/Training 1.24
Conference/Meeting/Multipurpose 1.23
Corridor/Transition 0.66 Width<8 ft
Dining Area 0.65
For Bar Lounge/Leisure Dining 1.31
For Family Dining 0.89
Dressing/Fitting Room for Performing Arts Theater 0.40
Electrical/Mechanical 0.95
Food Preparation 0.99
Laboratory
For Classrooms                               1.28
For Medical/Industrial/Research 1.81
Lobby 0.90
For Elevator 0.64
For Performing Arts Theater 2.00
For Motion Picture Theater 0.52
Locker Room 0.75
Lounge/Recreation 0.73
Office
Enclosed 1.11
Open Plan 0.98
Restrooms 0.98
Sales Area 1.68
Stairway 0.69
Storage 0.63
Workshop 1.59
Automotive
Service/Repair 0.67
Bank/Office
Banking Activity Area 1.38
Convention Center
Audience Seating 0.82
Exhibit Space 1.45
Courthouse/Police Station/Penitentiary
Courtroom 1.72
Confinement Cells 1.10
Judges’ Chambers 1.17
Penitentiary Audience Seating 0.43
Penitentiary Classroom 1.34
Penitentiary Dining 1.07
Dormitory
Living Quarters 0.38
Fire Stations
Engine Room 0.56
Sleeping Quarters 0.25
Gymnasium/Fitness Center
Fitness Area 0.72
Gymnasium Audience Seating 0.43
Playing Area 1.20
Hospital
Corridor/Transition Width < 8 ft 0.89
Emergency 2.26
Exam/Treatment 1.66
Laundry/Washing 0.60
Lounge/Recreation 1.07
Medical Supply 1.27
Nursery 0.88
Nurses’ Station 0.87
Operating Room 1.89
Patient Room 0.62
Pharmacy 1.14
Physical Therapy 0.91
Radiology/Imaging 1.32
Recovery 1.15
Hotel/Highway Lodging
Hotel Dining 0.82
Hotel Guest Rooms 1.11
Hotel Lobby 1.06
Highway Lodging Dining 0.88
Highway Lodging Guest Rooms 0.75
Library
Card File and Cataloging 0.72
Reading Area 0.93
Stacks 1.71
Manufacturing
Corridor/Transition Width < 8 ft 0.41
Detailed Manufacturing 1.29
Equipment Room 0.95
Extra High Bay (>50 ft Floor to Ceiling Height) 1.05
High Bay (25–50 ft Floor to Ceiling Height) 1.23
Low Bay (<25 ft Floor to Ceiling Height) 1.19
Museum
General Exhibition 1.05
Restoration 1.02
Parking Garage
Garage Area 0.19
Post Office
Sorting Area 0.94
Religious Buildings
Audience Seating 1.53
Fellowship Hall 0.64
Worship Pulpit, Choir 1.53
Retail
Dressing/Fitting Room 0.87
Mall Concourse 1.10
Sales Area (for accent lighting) 1.68
Sports Arena
Audience Seating 0.43
Court Sports Arena—Class 4 0.72
Court Sports Arena—Class 3 1.20
Court Sports Arena—Class 2 1.92
Court Sports Arena—Class 1 3.01
Ring Sports Arena 2.68
Transportation
Air/Train/Bus—Baggage Area 0.76
Airport—Concourse 0.36
Audience Seating 0.54
Terminal—Ticket Counter 1.08
Warehouse
Fine Material Storage 0.95
Medium/Bulky Material Storage 0.58

 

 

 

About Jignesh.Parmar (B.E,Mtech,MIE,FIE,CEng)
Jignesh Parmar has completed M.Tech (Power System Control), B.E(Electrical). He is member of Institution of Engineers (MIE) and CEng,India. Membership No:M-1473586.He has more than 16 years experience in Transmission -Distribution-Electrical Energy theft detection-Electrical Maintenance-Electrical Projects (Planning-Designing-Technical Review-coordination -Execution). He is Presently associate with one of the leading business group as a Deputy Manager at Ahmedabad,India. He has published numbers of Technical Articles in “Electrical Mirror”, “Electrical India”, “Lighting India”,”Smart Energy”, “Industrial Electrix”(Australian Power Publications) Magazines. He is Freelancer Programmer of Advance Excel and design useful Excel base Electrical Programs as per IS, NEC, IEC,IEEE codes. He is Technical Blogger and Familiar with English, Hindi, Gujarati, French languages. He wants to Share his experience & Knowledge and help technical enthusiasts to find suitable solutions and updating themselves on various Engineering Topics.

One Response to Quick Reference Lighting Power Densities

  1. Muhammad Mohsin Ansari says:

    thanks…….Jignesh.Parmar

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