CHAPTER 4 Energy Efficient Lighting Design

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1 Technical CHAPTER 4 Energy 4. : 4.. Interior lighting!!" $!!" % &$ ' ' o ') * +!,- o ').+. * '). *.!!" $!!" % &$ ' ' o ) *.. +!,-

2 Technical o ).+. * '). * Exterior lighting!!"!!" ' Table 4..: Minimum allowable luminous efficacy for different light sources Light source Minimum allowable luminous efficacy lm/w) CFLs 50 LEDs 50 Fluorescent lamps 75 Metal halide lamps 75 High-pressure sodium vapor lamps 90 '). *. $ '/+0

3 Technical 4.2 Mandatory clause 4.2. Interior lighting Exterior lighting!!" ' 23/ Table 4.3.: Minimum allowable luminous efficacy for external lighting sources S No. Light Source Minimum allowable luminous efficacy lm/w) CFLs compact fluorescent lamps) 50 LEDs light emitting diodes) 50 Fluorescent Lamps 75 Metal Halide Lamps 75 High Pressure Sodium Vapour Lamps 90 $ '/+0

4 Technical 4.3 Technical guidelines 4.3. Efficiency in the artificial lighting scheme ) External lighting Energy efficiency in external lighting ' 7 ' Fig.4.3.: High-pressure sodium vapor lamps! ). 9%: 9%: +!/2!,- /;!!! 2!!! Fig.4.3.2: Metal Halide Lamps

5 Technical &$ " < <9 +! //!,- &$ <9 +!!!=!!!! 9%: <9 &$4 8 ). - 5 >: * * 2! /!!,- /!!!! 2!!!&$ Fig.4.3.3: Fluorescent lamps * 5. * * Fig.4.3.4: Compact Fluorescent lamps

6 Technical -. +!!!! "!!!! 7 5!!" Fig.4.3.5: LED lamps 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 3 W/m 2.3 W/ft 2 ) 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/m W/ft 2 ) of the vertical façade area Fig : astronomical switch

7 Technical $ & % :. $ : %. 7 Fig : PV module integration with lighting fixture $ 7 : : 5$ 5 3! Fig : Landscape light integrated with solar PV

8 Technical Fig : Shadow zone on south side of building Internal lighting for new commercial buildings ' $ 4 > $ ' & 6 >

9 Technical 4!!" 4 ' $ 8 7? )

10 Technical $.!!" ' 23 % ' $ 4

11 Technical Table 4.3.3: Interior lighting power building area method Building area type LPD W/m 2 ) Building area type LPD W/m 2 ) Automotive facility 9.7 Multifamily residential 7.5 Convention center 2.9 Museum.8 Dining: bar lounge/leisure 4.0 Office 0.8 Dining: cafeteria/fast food 5. Parking garage 3.2 Dining: family 7.2 Performing arts theater 7.2 Dormitory/hostel 0.8 Police/fire station 0.8 Gymnasium.8 Post office/town hall.8 Healthcare clinic 0.8 Religious building 4.0 Hospital/health care 2.9 Retail/mall 6. Hotel 0.8 School/university 2.9 Library 4.0 Sports arena.8 Manufacturing facility 4.0 Transportation 0.8 Motel 0.8 Warehouse 8.6 Motion picture theater 2.9 Workshop 5. $ Table 4.3.4: Interior lighting power space function method Space function LPD W/m 2 ) Space function LPD W/m 2 ) Office enclosed.8 Library Office open plan.8 Card file and cataloging.8 Conference/meeting/multipurpose 4.0 Stacks 8.3 Classroom/lecture/training 5. Reading area 2.9 Lobby 4.0 Hospital For hotel.8 Emergency 29. For performing arts theater 35.5 Recovery 8.6 For motion picture theater.8 Nurse station 0.8 Audience/seating area 9.7 Exam treatment 6. For gymnasium 4.3 Pharmacy 2.9 Patient room 7.5 For convention center 7.5 Operating room 23.7

12 Technical ' 7, B 7.., /3+-,2+-, % 7 /!!0 Fig : A luminaire < 4 ) C!!+ '

13 Technical * 7 * $ - 2+

14 Technical ) 4 7 /+0 $ 7 Fig. 4.3.: Ballast C. 7! 3!0 4 +!95 $ 4!!!!95 7 $ 5 D0 /!795 /!795!795 4 Slim fluorescent lamps T2) T-8 T-5 Fig : Lamps with high efficacy )5

15 Technical 9:)4 6. 7' ' /; 2!0 5 + $ 6. * ' Table 4.3.5: BEE-rated TFL lamps S. No. Product Brand Watt Lamp type Star rating TFL OSRAM 36 W 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 0 TFL CROMPTON 36 W Power-lux tubular fluorescent lamp 5 Star TFL CROMPTON 36 W Power-lux tubular fluorescent lamp 5 Star 2 TFL Samsung 36 W Tubular fluorescent lamp 5 Star 3 TFL SURYA 36 W SUPER BRIGHT tubular fluorescent lamp 4 Star 4 TFL GALAXY 36 W SUPER BRIGHT tubular fluorescent lamp 4 Star 5 TFL MYNA 36 W High lumen tubular fluorescent lamp 4 Star 6 TFL SURYA 40 W Tubular fluorescent lamp 3 Star 7 TFL SURYA 36 W K SLIMLITE tubular fluorescent lamp 3 Star

16 Technical 8 TFL GALAXY 40 W Tubular fluorescent lamp 3 Star 9 TFL GALAXY 36 W SLIMLITE tubular fluorescent lamp 3 Star 20 TFL OSRAM 36 W Tubular fluorescent lamp 3 Star 2 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 3 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 4 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 * +,@+ *+ ++-

17 Technical * Fig : Compact fluorescent lamps 5! /!!,- E - % E >' Fig : Light-emitting diode lamps 7 7 &,,, ) C % 7 & 7

18 Technical. & $ +!0 $ ' +! +!! 4 /!!! /!!!! /!!! /!!!! /!!! /!!!! E % 4 E 4 4 ) Fig : Occupancy sensors

19 Technical = 7 FB= G $ Fig : Passive infrared sensors

20 Technical!. 4 4 $ Fig : Ultrasonic sensors $ 7. $ 7 - A " $ $ ' / /') '< 3 2 2'>. 3;.- *,, % 7 '

21 Technical A H!@ & H!" - H!+ *H!3 <+!/2!.-2+! / 2!.- $ $ C 5!!". * $ / ' / < $ $<+!/ 3 $/2!- 2 $ 2+!, + '/+- ; $++-, $ $ C!!+ * 3@+-,!!" >!2D Table 4.3.6: Case illumination level and LPD of the office room

22 Technical Floor Ground floor Area Office) Staff for seating Numb er of fixture s Average illumination level lux) LPD W/m 2 ) Uniformity ratio min/avg) NBC illumination level lux) ECBC recommended LPD Figure 4.3.8: Rendered image and Iso-lux diagram of the office room &$!!' C6 ' / < $ $<+!/ 3 $/2!- 2 $ 2+!, + '/+- ; $++-,! / $ 23" 2!3 C!!+

23 Technical * /32 -,!!" 3 >!"2 Table 4.3.7: Case 2 illumination level and LPD of the office room Floor Ground floor Area Office) Staff for seating Number of fixtures Average illumination level lux) LPDW/m 2 ) Uniformity ratio min/avg) NBC illumination level lux) ECBC recommended LPD Figure 4.3.9: Rendered image and Iso-lux diagram of the office room 6 ' / < $ $%@/2 3 2 $ D!!, + ' - ; $3!-,

24 Technical $ $ 23@ 2/ C!!+ ;"!!" >!2@ Floor Ground floor Area Office) Staff for seating Table 4.3.8: Case 3 illumination level and LPD of the office room Numb er of fixture s Average illumination level lux) LPD W/m 2 ) Uniformity ratio min/avg) NBC illumination level lux) ECBC recommen ded LPD $+ )/+0 3;-* + )!D!!D+ ' < '- '-$2@ 3; ' 3;-* ' D!!, '2- '2!-,

25 Technical Figure : Iso-lux diagram of the office room $ & $ 23D 2;2 C!!+ //@!!" >!+3 Floor Ground floor Area Office) Staff for seating Table 4.3.9: Case 4 illumination level and LPD of the office room Number of fixtures Average illumination level lux) LPD W/m 2 ) Uniformity ratio min/avg) NBC illumination level lux) ECBC recommen ded LPD Table 4.3.0: Summary of analysis and recommendation of the artificial lighting Typical area Average illumination level achieved lux) Lighting power density achieved W/m 2 ) Case Case 2 Case 3 Case 4 Illumination level lux) as per NBC 2005 Case Case 2 Case 3 Case 4 ECBC 2007 recommend ed LPD Office room ' $ *+ 3 9

26 Technical ' - / C ) 4 > 4 7 > 4 / Retrofitting options in the existing commercial buildings 67 ' / $' $ ' ' 2!.-.+.

27 Technical $ * ' ' '!!" Internal lighting for new residential buildings ' / ' 23 I233 7 '!!! "! & ' 7

28 Technical 3 ' 7 7 ' $ ' o G o G 5 3.9J. 7 ' 2$ * "+ 7.5 x 6 = 7.5 x 22 = 7.5 x 3 = 7.5 x 28 = 7.5 x 52 =

29 Technical 2&$, G8 )5 G/ 2!.-/ * ;!.- G/ 2!!- 3D!- E G/ && )/ 5*,5. 5 )6 /+.-* G /;+- 4 3D!-E G Retrofitting options in the existing residential buildings 67 '

30 Technical / $' $ ' ' 2!.-.+. * 3.&*4&5& )- 5.-,5/- 5)6 & ' ' >5

31 Technical Table 4.3.: Lighting manufacturer contact details SN Name Address Contact details Asian Electronics 2 Bajaj Electricals 3 CERCO Lighting 4 Decon Lighting 799/430, 490, Srigandakavala, Magadi Main Road, Sunradan Kahle Vishsaneedam, Banglore Bajaj Bhavan, NO 6, Residency Rod,Bangalore CENTRAL ELECTRIC & RADIO CO. 4-6, Lohar Chawl, Mumbai India) 5, Lok Nayak Bhawan, Khan Market New Delhi 0003 Ph: Ph: Fax: Ph: / 2208 /83, Fax: Ph: , Fax: GE Lighting Plot No. 42/ & 45/4, Electronic City - Phase II Bangalore Ph / 375 to 380, Fax: Halonix Lighting 7 Havells India Limited 8 Lucifer Lights Ltd. 9 OSRAM India Pvt Ltd. 0 Philips Electronics India Limited Surya Roshni 2 Wipro Lighting No.6, "Legacy" st Floor, Convent Road, Richmond Town, Bangalore th Floor, Emerald, Madras Bank Road Lavelle Road) Bangalore , Shree Krishna CHS, Opp. Prince Mangal Karyalya Near Apsara Theatre Pune - Maharashtra India Unit No , MADISON,4th Floor, Airport Road /3 Kodihalli Main Road), Bangalore The Estate, 4th floor North Wing) Next to Manipal Centre), 2, Dickenson Road Bangalore , India. No.98, st Floor Main New timber Yard Layout Mysore Road Bangalore Doddakannelli, Sarjapur Road, Bangalore Ph: Ph: , , /3/4 Fax: Ph: , Mobile: , Ph: , Fax: Ph: / / Ph.: Fax:

32 Technical 4.4 G $. ) $ ). ' o $ +0. o ) 3+0 o 7. /

33 Technical Amount in lakh rupees Payback Period Incremental Investment Cumulative savings Years Figure 4.4. Payback period graph

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