Job Information Type:
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We reserve the right to change details of design, materials and finish.
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Lighting Systems CD7-11
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%
1200
1200
0
0˚ 15˚
150˚ 120˚
90˚
45˚
Performance and Quick Calculator
REPORT NO: -3-#
LAMP: 85
LUMENS:
EFFICIENCY:
CANDLEPOWER CURVE
CANDLEPOWER
;0/&
%&(
0 1013 1013 1013 1013 1013
ZONAL LUMEN SUMMARY
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94-1/2” (240.03cm) 49” (124.46cm)
94-1/2” (240.03cm)
20’ 5” (622.30cm)
8-Foot Fixture 4-Foot Fixture 8-Foot Fixture
45-1/2” (115.57cm)
49” (124.46cm)
94-1/2” (240.03cm)
98” (248.926cm)
37” (93.98cm)6” (15.24cm)
4-Foot Cable and Stem
8-Foot Cable and Stem
Wall
49” (124.46cm)
Mounting Details
3-1/4” (8.26cm)
9” (22.86cm)
Stem
24”
(60.96cm)
3-1/4” (8.26cm)
9” (22.86cm)
Cable
24”
(60.96cm)
3-5/8”(9.21cm)
4-1/2”
(15.43cm)
Surface
9” (22.86cm)
3” (7.62cm)
12” (30.48cm)
Wall
Sample Run
20
10 20 30 40 50 60 70 80 90
40
60
80
100
120
ROOM SURFACE REFLECTANCES: 80% CEILING, 50% WALLS, 20% FLOOR
INITIAL FOOTCANDLES
AREA PER FIXTURE IN SQUARE FEET
CENTER TO CENTER DISTANCE OF FIXTURES IN FEET
ABOVE DATA FOR 1LT-40 W 49” UNITS. FOR 2LT 49” UNITS FC X 17
3200 LUMENS PER LAMP
RCR = 1 (Rm. Width = 10xMtg. Ht. above work plane)
RCR = 5 (Rm. Width = 2xMtg. Ht. above work plane)
RCR = 10 (Rm. Width = Mtg. Ht. above work plane)
SPACING RATIOS: PARALLEL = 1.2 / PERPENDICULAR = 1.7
3 4 5 6 7 8 9
Fixture Lengths & Mounting Locations
COEFFICIENTS OF UTILIZATION
&''&$5*7&$&*-*/($"7*5:3&'-&$5"/$&
70
8"--3&'-&$5"/$&
30 10 30 10 30 10
300.$"7*5:3"5*0
0 76 76 76 63 63 63
1 73717167 63
2 66626261
3
36
36 32
6 32 31
7 37 32 32
36 30 30 23
33 27 27 31 26 23 27 23 20
10 27 23 20 17
'-003$"7*5:3&'-&$5"/$&