CoR is the chart datum. Minimum setback follows the selected crane: 13 ft below 100 t; 15 ft at or above 100 t, measured to side-outrigger plate C/L. Closest workable CoR distance is selected for each crane.
Obstacle Height
FT
Reach In
FT
B03
Configuration
All
Main Boom
Bifold/Fixed
Hyd. Jib
Luffing
Insert(s)
Outriggers
Full
Mid
Retracted
B04
Fleet
Company
Capacity Class
Crane
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Results
⚠ ESTIMATION TOOL ONLY
Always verify against manufacturer load charts.
Operator is responsible for safe lift planning.