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Floodlighting.
Floodlighting is used for recreational lighting and for area lighting. Floodlighting is defined by the NEMA field angle as indicated in table 6-1 with projection distance given in feet (ft) and meters (m).
6-4
TM 5-684/NAVFAC MO-200/AFJMAN 32-1082
Mo*. CP..
Center line of street
TYPE I a
TYPE I 4 WAY
b
Mo. CP.
Curb lines
.Mai. CP
Mo. CP
Mox. CP
TYPE litTYPE IVTYPE V
f9
Figure 6-1. Light distribution patterns for roadway lighting
Table 6-1. Floodlight beam descriptions16-12. Airfield lighting.
Beam spreadAirfield lighting fixtures are covered by the Federal
Beam type degrees rangeProjection distanceAviation Administration's (FAA) advisory circulars.
1......... 10 to iS....... 240 ft and greater (73 m andFor many items there wiU be twQ Qr more specinca_
2 .........18 up to 29. ...200 to 240 ft (61 to 73 m)tl0ns. for qualified equipment which may not be
3 .........29 up to 46. ...175 to 200 ft (53 to 61 m)identical in form, fit, and function. Care must be
4 .........46 up to 70. ...145 to 175 ft (44 to 53 m)used in repair and replacement to install fixtures
5.........7ouptol00...105 to 145 ft (32 to 44 m)whose performance characteristics are compatible
6.........100 up to 130. BACK | NEXT Easy Access To All Pages 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133
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