
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 CL-3
1BHFPG Covelite™-BNQ#JBYQFS'PPU4FDUJPO
Quick Calculators and Ceiling Brightness
Readings are rounded off based on initial footcandles at center of 20-foot run of luminaires. Room reflectance is 80% ceiling, 50% wall and 20% floor.
BIAX, 2 Fixtures, 2 Walls, 14" (0.36m) from Ceiling
Distance from wall
0' 2' 4' 6' 8' 10' 12' 14'
14" (0.36m)
8'6" (2.59m)
9'6" (2.90m)
10'6" (3.20m)
11'6" (3.51m)
12'6" (3.81m)
BIAX, 1 Fixture, 1 Wall, 14" (0.36m) from Ceiling
Distance from wall
0' 2' 4' 6' 8' 10' 12' 14'
BIAX, 2 Fixtures, 2 Walls, 18" (0.46m) from Ceiling
Distance from wall
0' 2' 4' 6' 8' 10' 12' 14'
18" (0.46m)
BIAX, 2 Fixtures, 1 Wall, 18" (0.46m) from Ceiling
Distance from wall
0' 2' 4' 6' 8' 10' 12' 14'
18" (0.46m)
Distance From Ceiling
Distance From Ceiling
Distance From Ceiling
Distance From Ceiling
Maximum Candle Power: 2488 CD at 125°
Brightness ratio on vertical wall above fixture is:
1:1.4 when mounted 14" (0.36m) from ceiling;
1:1.4 when mounted 18" (0.46m) from ceiling.
0 0.61m 1.22m 1.83m 2.44m 3.05m 3.66m 4.27m
0 0.61m 1.22m 1.83m 2.44m 3.05m 3.66m 4.27m
0 0.61m 1.22m 1.83m 2.44m 3.05m 3.66m 4.27m
0 0.61m 1.22m 1.83m 2.44m 3.05m 3.66m 4.27m
14" (0.36m)
8'6" (2.59m)
9'6" (2.90m)
10'6" (3.20m)
11'6" (3.51m)
12'6" (3.81m)
8'6" (2.59m)
9'6" (2.90m)
10'6" (3.20m)
11'6" (3.51m)
12'6" (3.81m)
8'6" (2.59m)
9'6" (2.90m)
10'6" (3.20m)
11'6" (3.51m)
12'6" (3.81m)
CANDLEPOWER
Zone 0 22 45 67 90 112 135 157 180
Deg.
CANDELAS
180 682 682 682 682 682 682 682 682 682
175 844 826 797 727 671 632 560 542 522
165 1323 1251 1125 860 645 497 267 179 145
155 1704 1601 1430 962 582 343 91 77 47
145 2028 1918 1657 1053 501 158 32 16 14
135 2120 1966 1743 1079 410 68 12 12 12
125 2488 2202 1741 1075 309 28 12 12 12
115 1991 1964 1800 937 205 4 3 3 3
105 1435 1383 1261 825 94 2 0 0 0
95 812 754 735 366 26 2 0 0 0
90 370 314 304 66 13 2 0 0 0
85 0 00000000
REPORT NO: LRL 1196-8A
LAMPS: 2-F40BX
LUMENS: 3150
EFFICIENCY = 64.7%
Distribution Summary
Zone Lumens % Barelamp %Luminaire
0-90 0 0 0
90-180 4076 64.7 100.00
0-180 4076 64.7 100.00
35
0
2000
800
1600
400
515 25 45
55
65
75
85
90
95
105
115
125
135
571561551541
1200
0
Performance
CANDLEPOWER CURVE COEFFICIENTS OF UTILIZATION
% EFFECTIVE CEILING CAVITY REFLECTANCE
80 70 50
% WALL REFLECTANCE
50 30 10 50 30 10 50 30 10
153 514946 4442 313029
247 434040 3735 272624
341 373335 3229 242220
436 312831 2724 211917
532 272327 2320 191614
628 232024 2017 171412
725 211722 1815 151211
823 181520 1613 14119
921 161318 1411 12108
10 19 14 12 16 13 10 11 9 7
20% FLOOR CAVITY REFLECTANCE
ROOM CAVITY RATIO
230 86 35 35 86 230
66 67 66 66 67 66
61 63 63 63 63 61
57 59 60 60 59 57
54 56 56 56 56 54
51 52 53 53 52 51
221 76 20 15 11 10
46 43 37 29 23 19
42 39 34 29 23 19
38 36 32 27 23 19
34 33 30 26 23 19
32 31 28 25 22 19
227 107 42 42 107 277
64 67 67 67 67 64
60 62 63 63 62 60
56 59 60 60 59 56
53 55 56 56 55 53
50 52 53 53 52 50
217 96 25 17 11 10
45 43 37 30 24 19
40 39 34 29 24 20
36 35 32 28 23 20
33 32 30 26 23 19
31 30 28 25 22 10