RH : Material Hoisting - Mobile Crane

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Chapter:- Rigging & Hoisting

Material Hoisting - Mobile Crane

A crane is a type of machine, generally equipped with a hoist rope, wire ropes or chains, and sheaves, that can be used both to lift and lower materials and to move them horizontally. It is mainly used for lifting heavy materials and transporting them to other places. In job sites cranes are commonly employed for the movement of materials.

Many incidents were reported while using Hydra type cranes as the stability is less during operations.

Below are some safety tips related to crane operations.

• Cranes are to be operated only by qualified and trained personnel.
• All equipment used shall have test certificates & in good condition (Crane, Forklift, etc.) Site in-charge / Engineer must inspect the crane visually before use.
• Ensure that crane is on a firm/stable surface and level & outriggers are fully extended.
• Workers must not ride on a load or hook.
• Barricade the working area / accessible areas within the crane's swing radius.
• Pathway clear for the movement and has sufficient illumination.
• Watch for overhead electric power lines and maintain at least a 10- foot safe working clearance from the lines.
• Tools and tackles used (Slings, D-Shackles, Trolleys, Hydraulic Jacks, etc.) shall have test certificates
• Inspect all rigging tools and tackles prior to use.
• Be sure to use the correct load chart for the crane's current configuration and setup, the load weight and lift path.
• Do not exceed the load chart capacity while lifting.
• Raise load a few inches, hold, verify capacity/balance, and test brake system before proceeding.
• Do not move loads over people.
• Do not walk under suspended loads.
• Be sure to follow signals (by the aid of signalman) and manufacturer instructions while operating cranes.