Crane Pad Solutions UK
Outrigger Pad Size Calculator
Enter your maximum outrigger load and select your ground type. We will calculate the minimum pad area required and recommend the right pad from our range.
Step 1 of 2
Maximum Load Per Outrigger
Use the maximum outrigger load from your crane's load chart at the intended radius. If unsure, divide gross vehicle weight by the number of outriggers.
Tonnes
Step 2 of 2
Ground Type
Select the ground type at your outrigger positions. Use the weakest type if conditions vary across the site.
Tarmac or Concrete
Hard standing, roads, car parks — 200 kN/m²
Compacted Gravel
Well compacted hardcore or gravel — 150 kN/m²
Firm Natural Ground
Firm clay or dense natural soil — 100 kN/m²
Grass or Topsoil
Lawn, field, soft topsoil — 75 kN/m²
Soft or Variable Ground
Made ground, fill, suspect bearing — 50 kN/m²
Not Sure
Conservative 50 kN/m² default used