Crane Lifting Plan for 10-Ton Steel Beam at 25m Radius
Formula
Gross Load = (W Beam + W Rigging) × Dynamic Factor; Utilization = Gross Load / Crane Capacity
Governing Standard
BS 7121, ASME B30.5, Aramco CSM Ch. I-4
Required Inputs
- Beam weight (tons)
- Rigging weight (tons)
- Lift radius (m)
- Crane capacity at radius (tons)
- Dynamic factor (1.1-1.3)
Output
Capacity utilization percentage and lift classification
Notes
A lift is classified as standard if utilization < 75%, critical if 75-90%, and overload if > 90%. At 25m radius, most 50-ton cranes have reduced capacity — always check the load chart.
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