Job Information
Type:
"JSQPSU3PBE'BMM3JWFS."t t'BY
We reserve the right to change details of design, materials and finish.
XXXMJHIUPMJFSDPN½1IJMJQT(SPVQt $
Lighting Systems
CD7-3
1BHFPG
2
-PXQSPGJMF%JSFDU-PVWFS-JHIU51FS'PPU4FDUJPO
Performance and Quick Calculators
REPORT NO:
-3-#
LAMP:
85
LUMENS:
EFFICIENCY:
CANDLEPOWER CURVE
90˚
85˚
95˚
105˚
75˚
65˚
55˚
115˚
125˚
180˚ 175˚ 165˚ 155˚ 145˚ 135˚
0˚ 5˚ 15˚ 25˚ 35˚ 45˚
90˚
0˚
900
1800
600
1800
900
2400
600
2400
0
CANDLEPOWER
;0/&
%&(
ZONAL LUMEN SUMMARY
;0/&
-6.&/4
#"3&-".1
-6.*/"*3&
94-1/2” (240.03c
m
)
49” (124.46c
m
)
94-1/2” (240.03c
m
)
20’ 5” (622.30c
m
)
8-Foot Fixture
4-Foot Fixture
8-Foot Fixture
45-1/2” (115.57c
m
)
49” (124.46c
m
)
94-1/2” (240.03c
m
)
98” (248.926c
m
)
37” (93.98c
m
)
6” (15.24c
m
)
4-Foot Cable and Ste
m
8-Foot Cable and Ste
m
Wall
49” (124.46c
m
)
Mounting Details
3-1/4” (8.26c
m
)
9” (22.86c
m
)
Ste
m
24”
(60.96c
m
)
3-1/4” (8.26c
m
)
9” (22.86c
m
)
Cable
24”
(60.96c
m
)
3-5/8”(9.21c
m
)
4-1/2”
(15.43c
m
)
Surface
9” (22.86c
m
)
3” (7.62c
m
)
12” (30.48c
m
)
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 (R
m
. Width = 10xMtg. Ht. above work plane)
RCR = 5 (R
m
. Width = 2xMtg. Ht. above work plane)
RCR = 10 (R
m
. 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.
$"
7*5:
3"
5*0
0
1
2
3
37
32 37
32 36
32
6
31
31
31
7
32
26 31
26 31
26
26
26
23
27 23 21 26 23 21 26 23 21
10 23 20
23 20
23 20
'-003$"7*5:3&'-&$5"/$&