1. Maximum Radius
2. Maximum Load
3. Clearance height under ceiling
4. Allow distance from jib head to hook
5. Height of hook from ground
6. Height of obstruction between crane and load
7. Allow for obstructions which may hinder the tail weight when slewing
8. Allow for onstructions, distance from to centre of slew
9. Jib length
10. make sure ground is firm |