(30) Calculate No of Fixtures _ Lux as per Sq.Ft Area for Indoor Lighting (1.8.23).xlsx

	C	D	E	I	K	L	O	R
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3	Calculate No of Fixtures as per Sq.Ft Area			Calculate No of Fixtures / Lux for Indoor Lighting
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5	Illuminated Area:	6600	Sq.Ft	Required Lux: (E)	200
6	Desired Footcandles:	40		Room Index
7	No of Lamps per Fixture:	2	Nos	Length:(L)	7	Meter
8	Each Fixture Watts:	56	Watt	Width: (w)	4	Meter
9	Ballast Factor:	0.88		Height: (h)	3	Meter
10	Rated mean Lumens per Lamp:	2650		Working Level:	0	Meter	Reflection Factors:
11	Coefficient of Utilization:	0.6		Fixture hanging Level :	0	Meter	Ceiling Reflection Factor
12	Fixtures Burning hours per Year:	3200		Actual Height: (Hm)	3	Meter	Light & Very Light Color	0.7
13	Energy Rate (Rs.Per Kwh):	रु 0.10		Reflection Factors:			Light Color	0.5
14				Ceiling Reflection Factor:	0.5		Medium Color	0.3
15	:Results:			Wall Reflection Factor:	0.5		Wall & Floor Reflection Factor
16				Floor Reflection Factor:	0.2		Light & Very Light Color	0.5
17	Required Fixtures	95	Nos	Type of Luminaire / Fixtures:			Medium Color	0.3
18	Required Lamps	190	Nos	Type of Fixture:			Dark Color	0.1
19	Required Fixture Spacing	8.3	Feet	Type of Lamp:
20	Total Kw	5.3	Kw	No of Lamps per Fixture: (n)	1	Nos	Maintenance Factor: (Mf)
21	Watts per Sq.Ft	0.81		Lamp Watt:	15	Watt	Good & Clear Condition	0.7 To 0.8
22	Energy Cost per Year	रु 1,702.40		Lamp Flux:	1500	Lumen	Average Condition	0.6 To 0.7
23				Room Index: (K)	0.8484848485		Poor & Dirty Condition	0.5 To 0.6
24				Utilization Factor: (Uf)	0.48
25	Jignesh.Parmar			Maintenance Factor: (Mf)	0.6
26	jiguparmar@yhaoo.com			:Results:
27	www.electricalnotes.wordpress.com			Required No of Fixtures:	13	Nos
28				Required No of Fixtures along Length:	5	Nos
29				Required No of Fixtures across Length:	3	Nos
30				Actual No of Fixtures along Length:	3	Nos
31				Actual No of Fixtures across Length:	3	Nos
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33				Actual No of Fixtures:	9	Nos
34				Actual Lux:	139
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