Energy
Efficient
Lighting Design
CHAPTER
Guidelines
Proposed
Mandatory Clause
Technical Guidelines
Benefits
4 Energy Efficient Lighting Design
4.1 Guidelines:
4.1.1 Interior lighting
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Table 4.1.1: Minimum allowable luminous efficacy for different light sources
Light source
CFLs
LEDs
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High-pressure sodium vapor lamps
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Lighting Design
Guidelines
Proposed
Mandatory Clause
Technical Guidelines
Benefits
4.2 Mandatory clause
4.2.1 Interior lighting
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Table 4.3.1: Minimum allowable luminous efficacy for external lighting sources
Light Source
S No.
CFLs (compact fluorescent lamps)
LEDs (light emitting diodes)
Fluorescent Lamps
Metal Halide Lamps
High Pressure Sodium Vapour Lamps
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Energy
Efficient
Lighting Design
Guidelines
Proposed
Mandatory Clause
Technical Guidelines
Benefits
4.3 Technical guidelines
4.3.1 Efficiency in the artificial lighting scheme
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Energy
Efficient
Lighting Design
Guidelines
Proposed
Mandatory Clause
Technical Guidelines
Benefits
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Table 4.3.2: Exterior lighting power densities
Exterior lighting applications
Building entrance (with canopy)
Building entrance (without canopy)
Building exit
Building façades
Power limits
13 W/m2 (1.3 W/ft2) of the canopied area
90 W/lin m (30 W/lin ft) of the door width
60 W/lin m (20 W/lin ft) of the door width
2 W/m2 (0.2 W/ft2) of the vertical façade
area
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Development of Building Regulations and Guidelines to
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Energy
Efficient
Lighting Design
Guidelines
Proposed
Mandatory Clause
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Fig. 4.3.8: Landscape light
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Development of Building Regulations and Guidelines to
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Energy
Efficient
Lighting Design
Guidelines
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Benefits
Fig. 4.3.9: Shadow zone on south side of building
4.3.3 Internal lighting for new commercial buildings
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Table 4.3.3: Interior lighting power − building area method
Building area type
Automotive facility
Convention center
Dining: bar lounge/leisure
Dining: cafeteria/fast food
Dining: family
Dormitory/hostel
Gymnasium
Healthcare clinic
Hospital/health care
Hotel
Library
Manufacturing facility
Motel
Motion picture theater
LPD (W/m2)
9.7
12.9
14.0
15.1
17.2
10.8
11.8
10.8
12.9
10.8
14.0
14.0
10.8
12.9
Building area type
Multifamily residential
Museum
Office
Parking garage
Performing arts theater
Police/fire station
Post office/town hall
Religious building
Retail/mall
School/university
Sports arena
Transportation
Warehouse
Workshop
LPD (W/m2)
7.5
11.8
10.8
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Table 4.3.4: Interior lighting power – space function method
Space function
Office − enclosed
LPD (W/m2)
11.8
Space function
Library
LPD (W/m2)
Office − open plan
11.8
Card file and cataloging
11.8
Conference/meeting/multipurpose
14.0
Stacks
18.3
Classroom/lecture/training
15.1
Reading area
12.9
Lobby
For hotel
14.0
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Emergency
29.1
For performing arts theater
For motion picture theater
35.5
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Recovery
Nurse station
8.6
10.8
Audience/seating area
For gymnasium
9.7
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Exam treatment
Pharmacy
16.1
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For convention center
7.5
Patient room
Operating room
7.5
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Development of Building Regulations and Guidelines to
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Energy
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Lighting Design
Guidelines
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Table 4.3.5: BEE-rated TFL lamps
S.
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Product
Brand
Watt
Lamp type
Star rating
1
TFL
OSRAM
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HL tubular fluorescent lamp
5 Star
2
TFL
OSRAM
36 W
HL tubular fluorescent lamp
5 Star
3
TFL
OSRAM
36 W
HL tubular fluorescent lamp
5 Star
4
TFL
PHILIPS
36 W
Tubular fluorescent lamp
5 Star
5
TFL
PHILIPS
36 W
Tubular fluorescent lamp
5 Star
6
TFL
PHILIPS
36 W
Tubular fluorescent lamp
5 Star
7
TFL
WIPRO
36 W
Ultralite tubular fluorescent lamp
5 Star
8
TFL
WIPRO
36 W
Ultralite tubular fluorescent lamp
5 Star
9
TFL
WIPRO
36 W
Ultralite tubular fluorescent lamp
5 Star
10
TFL
CROMPTON
36 W
Power-lux tubular fluorescent lamp
5 Star
11
TFL
CROMPTON
36 W
Power-lux tubular fluorescent lamp
5 Star
12
TFL
Samsung
36 W
5 Star
13
TFL
SURYA
36 W
14
TFL
GALAXY
36 W
Tubular fluorescent lamp
SUPER BRIGHT tubular fluorescent
lamp
SUPER BRIGHT tubular fluorescent
lamp
15
TFL
MYNA
36 W
High lumen tubular fluorescent lamp
4 Star
16
TFL
SURYA
40 W
Tubular fluorescent lamp
3 Star
17
TFL
SURYA
36 W
K SLIMLITE tubular fluorescent lamp
3 Star
Development of Building Regulations and Guidelines to
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4 Star
4 Star
Energy
Efficient
Lighting Design
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18
TFL
GALAXY
40 W
Tubular fluorescent lamp
3 Star
19
TFL
GALAXY
36 W
SLIMLITE tubular fluorescent lamp
3 Star
20
TFL
OSRAM
36 W
Tubular fluorescent lamp
3 Star
21
TFL
OSRAM
40 W
OSRAM BASIC PLUS TFL
3 Star
22
TFL
OSRAM
40 W
Tubular fluorescent lamp
3 Star
23
TFL
PHILIPS
40 W
Tubular fluorescent lamp
3 Star
24
TFL
PHILIPS
36 W
Tubular fluorescent lamp
3 Star
25
TFL
WIPRO
40 W
PREMIUM tubular fluorescent lamp
3 Star
26
TFL
WIPRO
36 W
SAFELITE tubular fluorescent lamp
3 Star
27
TFL
WIPRO
40 W
Tubular fluorescent lamp
3 Star
28
TFL
ANCHOR
40 W
Tubular fluorescent lamp
3 Star
29
TFL
ANCHOR
36 W
Tubular fluorescent lamp
3 Star
30
TFL
CROMPTON
36 W
Supersaver tubular fluorescent lamp
3 Star
31
TFL
CROMPTON
40 W
Bright-lux tubular fluorescent lamp
3 Star
32
TFL
CROMPTON
40 W
Tubular fluorescent lamp
3 Star
33
TFL
BAJAJ
40 W
Cool daylight tubular fluorescent lamp
3 Star
34
TFL
BAJAJ
36 W
Tubular fluorescent lamp
3 Star
35
TFL
HIND
40 W
Cool daylight tubular fluorescent lamp
3 Star
36
TFL
HIND
36 W
Cool daylight tubular fluorescent lamp
3 Star
37
TFL
MYNA
40 W
Tubular fluorescent lamp
3 Star
38
TFL
MYNA
36 W
Tubular fluorescent lamp
3 Star
39
TFL
GE
36 W
GE SLENDER TFL
3 Star
40
TFL
GE
40 W
GE Standard TFL
3 Star
41
TFL
CEMA
36 W
CEMA energy saver
3 Star
42
TFL
CEMA
40 W
CEMA TC 3
3 Star
43
TFL
Samsung
40 W
Tubular fluorescent lamp
3 Star
44
TFL
ONIDA
36 W
Tubular fluorescent lamp
3 Star
45
TFL
ONIDA
40 W
Tubular fluorescent lamp
3 Star
46
TFL
ECOLITE
40 W
Tubular fluorescent lamp
3 Star
47
TFL
ECOLITE
36 W
Tubular fluorescent lamp
3 Star
48
TFL
JINDAL
40 W
Cool day light tubular fluorescent lamp
3 Star
49
TFL
PHILIPS
40 W
Tubular fluorescent lamp
2 Star
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Guidelines
Proposed
Mandatory Clause
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Table 4.3.6: Case 1 illumination level and LPD of the office room
Development of Building Regulations and Guidelines to
Achieve Energy Efficiency in Bangalore City
Energy
Efficient
Lighting Design
Guidelines
Floor
Area
Ground
floor
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Proposed
Mandatory Clause
Technical Guidelines
Benefits
Numb
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s
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illumination
level (lux)
LPD
(W/m2)
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ratio
(min/avg)
NBC
illumination
level (lux)
ECBC
recommended
LPD
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Figure 4.3.18: Rendered image and Iso-lux diagram of the office room
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Table 4.3.7: Case 2 illumination level and LPD of the office room
Floor
Area
Ground
floor
(Office)
Staff for
seating
Number
of
fixtures
Average
illumination
level (lux)
LPD(W/m2)
Uniformity
ratio
(min/avg)
NBC
illumination
level (lux)
ECBC
recommended
LPD
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Table 4.3.8: Case 3 illumination level and LPD of the office room
Floor
Area
Ground
floor
(Office)
Staff for seating
Numb
er of
fixture
s
Average
illumination
level (lux)
LPD
(W/m2)
Uniformity
ratio
(min/avg)
NBC
illumination
level (lux)
ECBC
recommen
ded LPD
18
412
6.7
0.48
300−500
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Development of Building Regulations and Guidelines to
Achieve Energy Efficiency in Bangalore City
Energy
Efficient
Lighting Design
Guidelines
Proposed
Mandatory Clause
Technical Guidelines
Benefits
Figure 4.3.20: Iso-lux diagram of the office room
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Table 4.3.9: Case 4 illumination level and LPD of the office room
Floor
Area
Ground
floor
(Office)
Staff for seating
Number
of
fixtures
Average
illumination
level (lux)
LPD
(W/m2)
Uniformity
ratio
(min/avg)
NBC
illumination
level (lux)
ECBC
recommen
ded LPD
20
464
11.8
0.53
300−500
11.8
2
Table 4.3.10: Summary of analysis and recommendation of the artificial lighting
Typical
area
Office
room
Average illumination level achieved
Lighting power density achieved (W/m2)
(lux)
Case
1
Case
2
Case
3
Case
4
Illumination
level (lux) as
per NBC 2005
Case
1
Case
2
Case
3
Case
4
ECBC 2007
recommend
ed LPD
84
403
412
464
300−500
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Development of Building Regulations and Guidelines to
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Energy
Efficient
Lighting Design
Guidelines
Proposed
Mandatory Clause
Technical Guidelines
Benefits
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Development of Building Regulations and Guidelines to
Achieve Energy Efficiency in Bangalore City
Energy
Efficient
Lighting Design
Guidelines
Proposed
Mandatory Clause
3#
Technical Guidelines
Benefits
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Development of Building Regulations and Guidelines to
Achieve Energy Efficiency in Bangalore City
Energy
Efficient
Lighting Design
Guidelines
2
Proposed
Mandatory Clause
Technical Guidelines
Benefits
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Development of Building Regulations and Guidelines to
Achieve Energy Efficiency in Bangalore City
Energy
Efficient
Lighting Design
Guidelines
Proposed
Mandatory Clause
Technical Guidelines
Benefits
Table 4.3.11: Lighting manufacturer contact details
SN
Name
Address
1
Asian
Electronics
2
Bajaj
Electricals
3
CERCO
Lighting
4
Decon
Lighting
5
GE Lighting
6
Halonix
Lighting
7
Havells India
Limited
8
Lucifer
Lights Ltd.
9
OSRAM
India Pvt
Ltd.
Unit No# 301 - 303,
MADISON ,4th Floor, Airport Road
(1/3 Kodihalli Main Road), Bangalore – 560008
10
Philips
Electronics
India Limited
The Estate, 4th floor (North Wing)
(Next to Manipal Centre) , 121, Dickenson Road
Bangalore - 560042, India.
11
Surya
Roshni
12
Wipro
Lighting
1799/430, 490, Srigandakavala, Magadi Main
Road, Sunradan Kahle Vishsaneedam ,
Banglore-560091
Bajaj Bhavan,
NO 16, Residency Rod ,Bangalore - 560025
CENTRAL ELECTRIC & RADIO CO.
14-16, Lohar Chawl, Mumbai - 400 002. (India)
5, Lok Nayak Bhawan, Khan Market
New Delhi – 110003
Plot No. 42/1 & 45/14, Electronic City - Phase II
Bangalore – 560100
No.6, "Legacy" 1st Floor, Convent Road,
Richmond Town, Bangalore – 560025
6th Floor, Emerald, Madras Bank Road (Lavelle
Road) Bangalore – 560001
15, Shree Krishna CHS, Opp. Prince Mangal
Karyalya Near Apsara Theatre
Pune - Maharashtra India − 411 037
No.98, 1st Floor Main New timber Yard Layout
Mysore Road Bangalore - 560026
Doddakannelli, Sarjapur Road,
Bangalore - 560035
Development of Building Regulations and Guidelines to
Achieve Energy Efficiency in Bangalore City
Contact details
Ph: 080-3488974
Ph: 080-2238984
Fax: 080-2214878
Ph: 022-22081125 / 2208
/1183, Fax: 022-22001693
Ph: 011-24617795, 24692863
Fax: 91-11-24633004
Ph +91-80-28528355 / 375 to
380 , Fax: +91-80-28528366
Ph: 080-30527032
Ph: 080-39882100, 08030515801, 080-30515802/3/4
Fax: 080-22112663
Ph: 020-26455525, 26455526
Mobile: 9325510557,
9270052758
Ph: 080-25210919,
Fax: 080-25210920
Ph: 08026751008/26751004/32973898
Ph.: 080-28440011
Fax: 080-28440057
Energy
Efficient
Lighting Design
Guidelines
Proposed
Mandatory Clause
Technical Guidelines
Benefits
4.4 Benefits
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Development of Building Regulations and Guidelines to
Achieve Energy Efficiency in Bangalore City
Energy
Efficient
Lighting Design
Guidelines
Proposed
Mandatory Clause
Technical Guidelines
Payback Period
Incremental Investment
Cumulative savings
35
Amount in lakh rupees
30
25
20
15
10
5
0
1
2
3
4
5
6
7
Years
Figure 4.4.1 Payback period graph
Development of Building Regulations and Guidelines to
Achieve Energy Efficiency in Bangalore City
8
9
10
Benefits