An Analysis of How Physical and Social Factors Influence …
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Table 5
Measurement of hand-arm vibration in the control room
Vibration
magnitude r.m.s.
Exposure points
per hour
Time to reach
EAV A(8)
option
2.5 m/s 2
Time to reach
ELV A(8)
option only
5 m/s 2
Exposure
duration
Partial exposure
m/s 2
A(8)
Partial exposure
points
Control room
(h)
(min)
(h)
(min)
(h)
(min)
Starts from the
shore
3.145
20
5
3
20
13
0
30
0.8
10
Ship is running
2.887
17
5
60
23
60
17
0
2.9
133
Mooring
maneuver
3.419
23
4
17
17
7
0
30
0.9
12
Idle with
generator
1.556
5
20
39
>24
0
6
0
0.8
10
Results
Daily exposure A(8)
= 3.2 m/s 2
Total exposure points
= 165
Warning: Exposure at or above 2.5 m/s 2
A(8)
EAV (100 points)