Tree Transplant — Preliminary Feasibility & Logistics Estimator

Rootball dimensions · Total lift weight · Crane capacity assessment · Estimating tool only

Tree Information

Tree Name / ID

DBH — Diameter at Breast Height ?Measured at 1.3 m above ground. Use a girth tape and divide circumference by π, or measure directly across.

In centimetres (cm) · arrows step ±5 cm

Tree Height ?Total height from ground to topmost shoot. Use a clinometer or hypsometer for trees over 10 m.

In metres (m) · arrows step ±1 m

Lift Radius — crane centre pin to rootball ?Horizontal distance from crane’s centre of rotation to the lift point. Rated capacity falls significantly with radius. Minimum 2 m — even a fully retracted Hydra boom has a ~2–3 m physical radius from its centre pin. In metres (m) · minimum 2 m · determines effective crane capacity

Adjustable Parameters

Rootball Diameter Multiplier ?Rootball Ø = DBH × multiplier. BS 8545 / ANSI A300: 6–10× DBH standard; up to 15× for high-value specimens. 8×

Conservative (4×)Standard (8×)Specimen (15×)

Rootball Excavation Depth ?Vertical depth of rootball cylinder. 70–90 cm is typical; deeper for large-caliper trees on deep soils. 90 cm

Shallow (40 cm)Typical (90 cm)Deep (120 cm)

Soil / Root Density ?Combined mass of soil and roots per m³. Wet clay/loam: 1.9–2.2 t/m³. Dry sandy soils: 1.5–1.6 t/m³. 1.8 t/m³

Dry sandy (1.5)Typical (1.8)Wet clay (2.2)

Wood Density (species) ?Green wood density. Higher for hardwoods; lower for palms and softwoods. 800 kg/m³

Palm/Softwood (400)Average (800)Hardwood (1200)

Common species: Neem ~880 · Teak ~700 · Peepal ~550 · Coconut ~600 · Gulmohar ~650 kg/m³

Crown / Canopy Multiplier ?Trunk weight × multiplier accounts for branches and foliage. Reduce for heavily crown-pruned transplants. 1.5×

Pruned (1.2×)Leafy (1.5×)Dense canopy (2.0×)

Transplants usually require crown reduction — lower this multiplier accordingly.

Lift Safety Factor ?Applied to total weight to derive the Design Load for crane selection. IS 3764 standard is 1.35×. Use 1.5–2.0× for sensitive, over-structure, or multi-crane lifts. 1.35×

Minimum (1.10×)Standard (1.35×)Conservative (2.0×)

IS 3764 / general practice: 1.35× is the standard dynamic load factor. Use 1.5–2.0× for sensitive, cantilevered, or over-structure lifts.

Saved Calculations