SAFETY INFORMATION GRT8100 OPERATOR MANUAL
2-16 Published 3-25-2020, Control # 595-10
Refer to the above Lifting Limits at wind speed V(z)
>13.4m/s and ≤ 20.1 m/s. Comparing the load and wind
resistant area to the allowable:
• Is the load to be lifted less than allowable load?
8,000 kg ≤ 12,040 kg YES
• Is Awr
(load)
less than Awr
(allow)
?
19.83 m
2
≤ 14.45 m
2
NO
Conclusion: This load is NOT
permissible to lift in wind
speed up to 20.1 m/s, but permitted to lift at a reduced wind
speed calculated as follows:
Ratio = 1.37
From Table 2-5, the maximum permissible wind speed at
ratio of 1.37 (rounded to next higher table value of 1.4) is
17.0 m/s.
Conclusion: This load is permissible to lift in wind speed up
to 17.0 m/s only.
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