Rigging Equipment - Mine Safety and Health Quizzes from

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Transcript Rigging Equipment - Mine Safety and Health Quizzes from

Rigging
Equipment
Safety is
the #1
priority
Rigging equipment
• Inspect rigging equipment:
• Before each shift
• As necessary during use
• Remove rigging equipment:
• If defective
• When not in use
2a
Safe working load
• Recommended safe load
• Mark custom lifting accessories
• Proof test to 125 percent
2b
Competent person and
inspection
• Inspect before each shift
• Additional
inspections
• Remove from
service
3a
Alloy steel chains
• Attached ID information
• Rated capacity
in Table H-1
• Chain link wear
in Table H-2
4a
Inspect alloy steel chains
based on
• Frequency of sling use
• Severity of service conditions
• Nature of lifts made
• Experience from other
slings
4b
Sling Inspection
• Inspect slings every 12 months
• Maintain records of
inspections
4c
Wire rope
• Safe working load
• Protruding ends
of stands
• Don’t use knots
• Visible broken
wires
5a
Slings general requirements
• Don’t use knots
• Prevent kinking
• Balance loads
7a
Slings general
requirements
• Use padded slings
• Don’t shock
load slings
• Watch your
fingers
7b
Sling attachments and safe
operation
• Fiber wire core rope slings
• Nonfiber core wire rope slings
• Proof test
8a
Natural or synthetic fiber
rope slings
• Table H-15, 16, 17, and 18 apply
• Follow mfg. recommendations
• Don’t use knots
9a
Splicing natural or
synthetic slings
• Requirements for full tucks
• Don’t use knots
• Don’t use clamps
• Watch for sharp edges
10a
Remove natural or
synthetic slings
• Abnormal wear
• Powdered fiber
• Broken or cut fibers
10b
Remove natural or
synthetic slings
• Variations in size of strands
• Discoloration or rotting
• Distortion of hardware
10c
Marking/coding synthetic
webbing
• Name of manufacturer
• Rated capacity
• Type of material
11a
Synthetic webbing
requirements
• Don’t exceed capacity
• Uniform thickness
• Fittings as strong as sling
• Use stitching to attach fittings
11b
Synthetic webbing
precautions
• Fumes, vapors, sprays, mists,
liquids
• Nylon web slings
11c
Synthetic webbing
precautions
• Polyester and polypropylene slings
• Temperature restrictions
11d
Remove synthetic webbing
• Acid or caustic burns
• Melting or charring
• Snags, punctures, tears
• Distortion of fittings
11e
Shackles and hooks
• Table H-19 for safe working loads
• Follow the manufacturer’s
recommendations
• Test hooks
12a