What in the world is Bull Rigging? Those of us not familiar with the term might be picturing grabbing a hold of a rigging configuration by the shackle and hanging on for an eight second ride. As fun as that sounds, it is not bull Rigging. In short, Bull Rigging is the term used to describe a method or system of rigging commonly used where a crane (mobile/overhead) cannot gain access. Bull Rigging is often referred to as drifting, "tarzaning," or just simply hand rigging. It is often used in concert with other rigging activities such a transferring a load from a structure to a crane hook or vice-versa.
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When to Use Bull Rigging
Bull rigging, also called drifting, Tarzaning, or hand rigging, is a practical solution when conventional crane access is not feasible. The method supports controlled movement of loads in constrained environments and helps teams adapt to site limitations without full crane repositioning. Professionals rely on bull rigging for the following reasons:
- Access in tight spaces. When a crane cannot maneuver into position, bull rigging enables direct load manipulation by hand or with taglines inside confined areas.
- Low clearance and overhead obstructions. In height restricted or congested layouts, hands-on rigging allows repositioning without altering the crane setup.
- Reduced setup time and complexity. Avoiding crane relocation or equipment changes can shorten timelines and lessen support requirements.
- Improved situational awareness. Crews working close to the load can perceive shifting conditions and dynamic obstacles more quickly.
- Essential crew coordination. Because control is manual and precise, teams must communicate clearly and act in sync to prevent incidents.
Safe bull rigging depends on training and preparation. Teams should know when the method is appropriate, understand load physics, apply proper hand and tagline techniques, and maintain constant communication. Documenting and rehearsing bull rigging scenarios in controlled training settings builds muscle memory, improves hazard recognition, and reinforces disciplined execution. Consider integrating targeted bull rigging drills into lift planning workshops to align supervisors, riggers, and operators around roles, signals, and stop points.
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