|
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 |
View more at https://electricalnotes.wordpress.com/2020/08/02/quick-reference-lighting-power-densities/.
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