22
Improper design or fabrication of crane bridge beam assemblies
could
result in
death or serious injury
, and property damage.
a)
Determining Dimensions -
Select the proper crane bridge based on capacity and span from
Table 2-4 for single girder bridge cranes.
b) For double girder bridge beams consult factory.
Table 2-4 BRIDGE BEAMS - Used for Harrington Crane Packages and Systems
Capacity
Tons
Span ft
1/2
1
2
3
5
8
10
10
S8x18.4
S8x18.4
S10x25.4
S12x31.8
S12x40.8
W18x71
W21x93
15
S8x18.4
S8x18.4
S10x25.4
S12x40.8
S15x50
W21x83
W18x106
20
S8x18.4
S10x25.4
S12x31.8
S15x42.9
S15x42.9
C8x11.5
W21x93
W18x119
25
S10x25.4
S10x25.4
S12x31.8
C8x11.5
S15x42.9
C8x11.5
S15x42.9
C10x15.3
W24x103
W24x103
C12x20.7
30
S10x25.4
S12x31.8
S15x42.9
S15x42.9
C10x15.3
W16x77
W24x103
W27x129
35
S12x31.8
S15x42.9
S15x42.9
C8x11.5
W16x67
W21x83
W27x114
W30x148
40
S15x42.9
S15x42.9
C8x11.5
W18x60
W18x71
W21x83
W27x114
C12x20.7
W27x129
C15x33.9
45
S15x42.9
C8x11.5
W16x57
W18x71
W18x76
W24x94
W27x114
C15x33.9
W30x148
C15x33.9
50
W16x40
W18x60
W18x76
W21x83
W27x102
W30x124
C15x33.9
W30x148
C15x33.9
55
W16x57
W16x67
W21x83
W24x94
W27x114
W30x132
C15x33.9
W30x148
C15x33.9
60
W16x67
W18x76
W21x93
W27x114
W30x116
C15x33.9
W33x141
C15x33.9
W33x169
C15x33.9