- Weight and dimensions of the load to be lifted.
- Distance the crane will have to be from the lift.
- Is rigging or spreader bar required for the lift?
- Height of building if load is to be placed on the roof and the distance from the edge of the building.
- Site Informaton:
- What are the ground conditions?
- Are there underground hazards such as tanks or trenches?
- Is the ground sloped? This may require additional cribbing.
- Are there any overhead obstructions such as power lines?