
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 CD5-1
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Louver, Lens and Joiner Block Accessories
Performance & Quick Calculators
COEFFICIENTS OF UTILIZATION
% EFFECTIVE CEILING CAVITY REFLECTANCE
80 70 50
% WALL REFLECTANCE
CANDLEPOWER
DEG.
180
175
165
155
145
135
125
115
105
95
90
85
75
5
15
25
35
45
55
0
REPORT NO: LRL 799-1A
LAMPS: 1-32WT8
LUMENS: 2900
CD5LV
4' Black Louver
CD5PLA
4' Prismatic Lens
ROOM CAVITY RATIO
CANDLEPOWER
ZONE
DEG.
180
175
165
155
145
135
125
115
105
95
90
85
75
65
55
45
35
25
15
5
0
REPORT NO: LRL 799-1B
LAMPS: 1-32WT8
LUMENS: 2900
EFFICIENCY: 68.5%
COEFFICIENTS OF UTILIZATION
% EFFECTIVE CEILING CAVITY REFLECTANCE
80 70 50
% WALL REFLECTANCE
ROOM CAVITY RATIO
0
1
2
3
4
5
6
7
8
9
10
50 30 10 50 30 10 50 30 10
65 65 65 56 56 56 38 38 38
57 54 52 51 46 45 33 32 31
49 46 42 46 39 37 29 27 26
43 39 35 42 33 31 26 23 21
38 33 29 38 29 26 22 20 18
34 29 25 35 25 22 20 17 15
30 25 21 32 22 18 18 15 13
27 22 18 29 19 16 16 13 11
24 19 16 27 17 14 14 12 10
22 17 14 25 15 12 13 10 9
20 15 12 23 13 11 12 9 8
1' 14fc 20fc 14fc
2' 46fc 58fc 46fc
3' 40fc 20fc 40fc
4' 25fc 37fc 25fc
5' 13fc 19fc 13fc
6' 9fc 12fc 9fc
7' 6fc 8fc 6fc
24"
18" 45°
DISTANCE FROM CEILING
ZONE
65 180 219 156 257 256
95 137 138 116 106
19 22 19 20 20
022456790
022456790
289 308 368 410 409
372 441 427 468 478
464 590 504 511 532
531 626 670 603 586
575 317 672 718 716
589 597 602 611 614
590 590 590 590 590
598 642 699 747 745
613 621 626 635 639
614 614 614 614 614
552 651 697 627 609
483 614 524 531 553
387 459 444 487 497
301 320 383 416 425
187 228 266 267 266
99 142 144 121 110
20 23 20 21 21
90˚
85˚
95˚
105˚
75˚
65˚
55˚
115˚
125˚
180˚ 175˚ 165˚ 155˚ 145˚ 135˚
0˚ 5˚ 15˚ 25˚ 35˚ 45˚
600
400
800
200
1000
600
800
400
1000
200
1200
1200
0
90˚
85˚
95˚
105˚
75˚
65˚
55˚
115˚
125˚
180˚ 175˚ 165˚ 155˚ 145˚ 135˚
0˚ 5˚ 15˚ 25˚ 35˚ 45˚
600
400
800
200
1000
600
800
400
1000
200
1200
1200
0
00000
00000
00000
00000
00000
00000
00000
00000
00000
00000
00000
00000
00000
00000
00000
00000
00000
00000
00000
00000
00000
00000
ZONAL LUMEN SUMMARY
ZONE LUMENS % BARELAMP % LUMINAIRE
0-90 1911 65.9 100
90-180 0 0 0
0-180 1911 65.9 100
ZONAL LUMEN SUMMARY
ZONE LUMENS % BARELAMP % LUMINAIRE
0-90 0 0 0
90-180 1987 68.5 100
0-180 1987 68.5 100
0
1
2
3
4
5
6
7
8
9
10
50 30 10 50 30 10 50 30 10
78 78 78 77 77 77 73 73 73
72 69 67 68 65 63 65 63 61
66 62 67 60 57 53 58 55 52
61 55 50 54 49 46 52 48 45
56 49 44 48 43 39 46 42 39
52 44 36 43 38 34 42 37 34
48 40 34 39 34 30 38 33 30
44 36 30 36 30 26 34 30 26
41 33 27 32 27 23 31 27 73
38 30 24 29 24 21 29 24 21
35 26 21 26 21 17 25 20 17
63-1/8" (160.34cm)111-1/8" (282.26cm)
112-1/4" (285.12cm)
64-1/4" (163.20cm)
4 Foot 8 Foot
110" (279.40cm)
62" (157.48cm)
111-1/8" (282.26cm)63-1/8"
(160.34cm)
1-1/8" (2.86cm)
111-1/8" (282.26cm)
23' 10-1/2" (727.71cm)
Sample Run
Fixture Lengths & Mounting Locations
20 10
34 5 6 7 8
20 30 40 50 60 70
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
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: 1.5/RECOMMENDED MIN. MOUNT FROM CEILING 18
INDIRECT
20 10
34 5 66 7 8
20 4030 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
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 - 1.3/PERPENDICULAR = 1.2
DIRECT