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In This Section

Approved Code of Practice for Cranes

Appendix I: Tower crane inspections - minimum requirements

I1 Jib configuration

  • Jib length
  • Self-erect version?
  • Hoist type
  • Counterweight
  • Counterweight blocks
  • Jib identification and insert order
  • Jib tie bar (ropes) lengths (in order from tower head)
  • Jib tie bar connection on jib/pennants/luff ropes/bridle connection
  • Counterjib/insert identification and order
  • Counterjib tie bar/rope identification

I2 Tower configuration

  • Number off
  • Tower type
  • Length of towers
  • Identification checked
  • 1st tie-in type
    • Identification
    • Location
  • 2nd tie-in type
    • Identification
    • Location
  • 3rd tie-in type
    • Identification
    • Location etc.

I3 Undercarriage

  • Undercarriage type
  • Gauge x wheel base
  • Identity
  • Central ballast weight
  • Block arrangement

The configurations above must be certified as being in accordance with the requirements of the Approved Code of Practice for Cranes for wind and seismic conditions.

I4 Documentation and certificates

  • Manufacturer’s certificate
  • Design approval certificate
  • Hoist rope certificate
  • Trolley rope(s) or luff ropes certificates
  • Counterjib holding rope certificates (if applicable)
  • Jib holding rope certificates (if applicable)
  • Other/counterweight rope certificates
  • Hook certificate
  • Tower head bolts crack test certificates (if applicable)
  • Slewring bolts crack test certificates (if applicable)
  • Tower bolts crack test certificates (if applicable)
  • Slewring report
  • Foundation/tracks certificates with drawing
  • Foundation anchor crack test certificates
  • Tie-in supports engineering certificates
  • Erection certificate
  • Bolt spanner accuracy certificates
  • Test weights certificates
  • Counterballast weights weigh certificates
  • Central ballast weights weigh certificates
  • Electrical certificate of compliance
  • Crane log book in cab
  • Crane manual on site
  • Radius/capacity in cab
  • Clash zone procedure

I5 Undercarriage inspection

  • Identity check
  • Rail condition
  • Rail earthing
  • Rail clamps
  • Limits set
  • Rail stops
  • Bogie/wheel condition
  • Machinery guards
  • Safe clearances
  • Central ballast check
  • Rust condition
  • Split/safety pins
  • Accessway
  • Cable drum
  • Motion check
  • Motion test
  • Limits function
  • Brake function
  • Cabling
  • Switchboard safety
  • Earthing
  • Prelimits

I6 Tower system

  • Identity check
  • Bolt identity and condition (if applicable)
  • Bolt torque check
  • Pin joints (if applicable)
  • Binding points
  • Accessway
  • Rust
  • Tie-in assembly
  • Tie-in supports
  • Lattice condition
  • Tower alignment
  • Cable support
  • Earthing
  • Tower orientation

I7 Cabin section

  • Identity check
  • Slewring report
  • Access
  • Slew brake condition
  • Slew brake working
  • Free slew check
  • Rust
  • Cab visibility
  • Cab safety
  • Deadman
  • Horn
  • Fire extinguisher
  • Radius indication
  • Visual warnings
  • Motion test
  • Machinery safety
  • Switchboard safety
  • Main switch function
  • Transformer mountings
  • Instrument operation
  • Anemometer readout

I8 Tower head/A-frame

  • Identity check
  • Bolt identity and visual condition
  • Bolt torque check
  • Overload mechanisms
  • Pin connections
  • Split/safety pins
  • Rust
  • Lattice condition
  • Accessway
  • Pulleys
  • Boom buffers
  • Anemometer

I9 Counterjib/machinery deck

  • Identity check
  • Pin connects
  • Split/safety pins
  • Support system
  • Hoist unit anchorage
  • Counterweight check
  • Counterweight security
  • Platforms; handrails
  • Machinery safety
  • Rust
  • Hoist condition
  • Hoist rope anchorage
  • Hoist rope inspection
  • Hoist rope identity
  • Motion test
  • Hoist limits
  • Prelimits
  • Boom limits
  • Switchbox safety
  • Cables (trip hazard)

I10 Phase failure protection

  • Tested as effective

I11 Jib

  • Configuration check
  • Identification check
  • Pin connections
  • Tiebar/pennant configuration check
  • Tiebar/pennant identification check
  • Lattice condition
  • Rust general
  • Rust in main chords
  • Split/safety pins
  • Accessway
  • Fall-arrest system
  • Trolley gear condition
  • Trolley gear brake
  • Trolley rope inspection
  • Limit mechanisms
  • Trolley general
  • Trolley wheels
  • Trolley tension set
  • Trolley rope pulleys
  • Trolley rope anchorages
  • Hoist rope anchorage
  • Motion test
  • Limits
  • Counterweight sheaves
  • Counterweight rope adjustment
  • Hoist sheaves
  • Hoist deflector
  • Load pin
  • Boom buffer mounts

I12 Hook

  • Identity check
  • Safety catch
  • Thrust bearing
  • Rope guards
  • Pulley
  • General condition

I13 Test and calibration weights

  • Maximum load
  • Load at maximum safe working load
  • Calibration
  • Overload warnings working.

I14 Tower crane climbing frame inspection and test report/worksheet


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