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Visual Inspection

Visual Inspection. Look for crane tags Look for physical damage Check hoist chain and wire rope Make sure wire rope is seated in drum and sheave grooves Look for disconnect switch. Operational Inspection. Move crane several feet in each direction Unusual noises and jerky movements

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Visual Inspection

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Presentation Transcript

  1. Visual Inspection • Look for crane tags • Look for physical damage • Check hoist chain and wire rope • Make sure wire rope is seated in drum and sheave grooves • Look for disconnect switch.

  2. Operational Inspection • Move crane several feet in each direction • Unusual noises and jerky movements • Control station and switches work correctly • Lower hoist block to make sure at least 2 turns of rope remain on drum • Hook has a safety latch and it’s not stretched.

  3. Rigging the Load • Determine crane’s lifting capacity • Is load within weight limit?

  4. Load Weight Determine with: • Material weight charts • Dynamometer • Estimates.

  5. Rigging Gear • Select gear within safe working load (SWL) of the rope • Inspect rope before use • Check end fittings • Other rigging gear within load-lifting capacity • Replace any item if in doubt.

  6. Slings • Load balance determines location and number of slings needed. • When using more than 1 sling, consider the angles. • Never have a sling angle of less than 90 degrees.

  7. Lifting and Moving • Make sure hands are clear of potential pinch points • No one is positioned between load and another object • Slowly raise hoist block to remove slack • Slings are fully seated • Lift load a few inches to check rigging • Lift load high enough to clear obstructions.

  8. Big Capacity Cranes Communicate with operator • Standard hand signals found in ANSI B30 • Radio.

  9. Don’ts • Jog controls unnecessarily • Use pendant control station to swing jib boom into place • Leave suspended load unattended • Pass load over people or allow anyone to walk under it.

  10. Don’ts continued • Pull a load • Get distracted • Allow unused slings or ropes to remain on the hook • Leave hoist block low enough to hit someone.

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