Crane: Overhead/Gantry
Definition: Overhead rail (bridge) mounted horizontally travelling crane (trolley)
with vertical hoist lifting and moving capability of designated capacity with hook,
sling, magnet, or bucket lifting mechanism(s).
Potential Hazards:
Falling Materials
Slips/trips/falls during cab access and inspection
Electric shock
Lacerations/hand injuries during cable/sling inspection
Noise
Swinging or suspended materials
Flammable liquids/vapors
Oil and hydraulic fluids
Moving parts/pinch points
Guarding/Shielding:
Cab is enclosed and often at heights requiring caged access ladder if over 20-feet
or other suitable safe stairway and platform. Maintenance activity and inspections
will require fall protection system if unprotected at heights.
Rail/wheel assemblies, if accessible by personnel during operation, require guarding
to cover pinch points. Sweeps or similar rail/wheel interface protection may also be
required if accessible by personnel.
Bridge or trolley require bumpers at each end.
Hoisting rope/chain may require guards at drum.
Accessible moving parts including gears, sprockets, reciprocating equipment and
similar will require guarding if accessible.
Crane Operator should be sufficiently removed and protected from possible flying
materials or swinging loads.
Protective Equipment:
Hard hats*
Safety glasses*
Steel toe/steel shank work boots*
Gloves as needed