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Crane Wind Limits, Explained

Wind doubles with height and force grows with speed squared — why the lift waits, in free calculators.

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Wind at Hook Height — City Centre High-Rise

Power-law wind speed at crane height for a city centre high-rise, with gust estimate and limit check.

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2 / 6

Wind Force on Load — Shipping Container (20 ft side-on)

Drag force and swing risk on a suspended shipping container (20 ft side-on) from wind speed and exposed area.

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Wind Force on Load — Rooftop HVAC Unit

Drag force and swing risk on a suspended rooftop hvac unit from wind speed and exposed area.

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Lift Planning — Lift Window Planning

Lift Window Planning for engineered lift planning.

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Wind at Hook Height — Wind Farm Construction

Power-law wind speed at crane height for a wind farm construction, with gust estimate and limit check.

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Capacity Check — Flat-Top Tower Crane

Gross-load vs chart utilization for a flat-top tower crane, with rigging weight and dynamic allowance included.

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