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RIGGING & LIFTING SAFETY
HSES Training Centre
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PROGRAM OBJECTIVES
Enable riggers to safely connect loads to
cranes.
To properly identify immediate and
potential hazards and prescribe corrective
actions.
Reduce employers liability exposurethrough training and certification.
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Origin and Art of Rigging
The earliest rigging was used
to raise and lower sails and
lift large blocks in the
construction of pyramids.
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Definition of Rigging
Rigging is part of the lifting operation which
forms the link between the crane and the load.
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SAFETYThe act or process designed to eliminate risk or
danger from an environment.
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learning has nottaken place
until behaviorhas changed.
REMEMBER,
Course Objectives
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Training Focus for Riggers
Analyzing loads
Selecting correct type of gear Selecting correct capacity of gear
Selecting gear for proper fit
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Why Train Riggers & Rigging Inspectors?
Accident Prevention
Limit Liability Exposure
Rigging Gear Rating based on
Breaking Strength
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MENTAL
Wrong Attitude
Wrong Assumptions
?
??
???
Way crane is perceived.
Takes little skill to operate.
PHYSICAL
Wrong Actions
Allows unqualified personnelto operate cranes.
ACCIDENTS
Accident Prevent ion takes place f i rst in the mind .
Think ing has to change!
Accident Prevention
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Accident Statistics
Percentage of crane accidents due to rigging
F li S i i
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Fatality Statistics
Construction fatalities due to rigging failure
Training conducted over a 10 year period
have reduced fatalities by 9% .
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Rigging Rating Based on Breaking Strength
How Components Fail
Wear
Bent
Strippedthreads
Fastening
Wear
Bent
Full thread
Cut plys
Melted
Torn stitching
Capacity
marking
Crushing
Fitting
Broken wires
Kinking
Wear
Bent
Pitch {
Latch
Hook
Ri i T
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Rigging Types
Wire
RopeChain
Metal Mesh
Synthetic
Synthetic Round
Synthetic Rope
RB 37
Slings
Rigging Types
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Rigging Types
RB 93
Hardware
Ri i T
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Basic Hitches
Vertical Vertical
BasketChoker
Rigging TypesHitches
RB 39RB 39
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Rigging TypesHooks
RB 95
Operating Area
Rigging Types
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Non-shoulderedeye bolts are only
designed for
vertical loads.
Rigging TypesEye Bolts
RB105
Center of Gravity
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Center of Gravity
RB137
Problems & Concerns
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ob e s & Co ce s
What are the major problems and concerns
facing riggers and rigging inspectors?
Standards
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Standards
...set up and established byauthority as the rule for the
measure of quantity, weight,
extent, value or quality.
Without a standard
for straightness, this
flag pole could be
called straight.
Definition of astandard:
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Chain Hoist & Hook Inspection Record
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p
Monthly Wire Rope and Hook Inspection Record
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y p p
WIRE ROPE
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WIRE ROPEBasic Components
wire rope
strand center wire
wire
core
RB 1
WIRE ROPE
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WIRE ROPEClassification
RB 2
WIRE ROPEB i C
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Basic Cores
Fiber Core(FC)
Independent Wire RopeCore (IWRC)
Wire Strand Core (WSC)
RB 6
WIRE ROPE
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Lays
Right
Lay
Left
Lay
Lay Length
RB 7
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WIRE ROPESpecial Ropes
Rotation Resistant Ropes
RB 10
WIRE ROPE
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WIRE ROPESeizing and Cutting
Preformed Ropes
Non-Preformed or Rotation Resistant Ropes
RB 11
WIRE ROPE
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Installation
RB 12
WIRE ROPE
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Winding onto Drum
Always reel from top to top
or from bottom to bottom.Never reel from top to bottom
or from bottom to top.
RB 12
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WIRE ROPECli
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Clips
Wrong way: clips staggered
Wrong way: clips reversed
live line
dead end
Right way: saddle on live end
Never sadd le a dead ho rse
RB 20
WIRE ROPEWedge Sockets
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g
Wrong Right
RB 27
Hardware Application
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RB 95
Hook Inspection
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Hooks must be removed from service when any of the
following conditions exist:
Cracks, nicks or gouges.
Twist exceeding 10 from plane of unbent hook.
Latch engagement, damage or malfunction.
Throat opening exceeding 15%. Wear exceeding 10% of original dimension.
Damage from heat.
Unauthorized repairs.
RB 95
Shackle Application
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RB 99
Shackle Application
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RB 100
Shackle Application
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RB 102
Hardware Shackles Inspection
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shoulder
flush
Absence of capacity oridentifying marks
pin
distortion
Bent or distorted pin
and/or body
Nicks, gouges or cracks
Heat or chemical damage
spread
Body spread
wear
Reduction in diameter of pinand/or body greater than
10%
10%
RB 103
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Eye Bolt Application
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Non-shouldered
eye bolts areonly designed for
vertical loads.
RB106
Eye Bolt Installation
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Angular loading must be in the plane of the eye.
RB106
Plane of the eye
Eye Bolt Application
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Eye Bolt Application
RB110
Hoist Ring Application
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RB115
Determining Load Weight
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cylinder
weight
block
weight
= estimated
weight+block
weight
cylinder
weight
RB131
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Load Softeners
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RB138
HARDWARELifting Beams
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Rigid Beam
RB145
Spreader Beam
Handling of LoadsTag Lines
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RB147
Sling Hitches
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Vertical Vertical
BasketChoker
RB 39
SLINGSDouble Wrap Basket Hitch
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RB 44
Sling Angles
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RB 49
Calculating Sling Loading
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Steps:1. Determine sling angles. (45)
2. Go to 2-leg bridle capacity column at 45
3. Select 2-leg bridle with capacity equal to or greater
than load to be lifted. ( inch rope diameter at 3.6 tons)
RB 50
Calculating Sling Loading
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Steps:
1. Determine sling angles. (45)
3. Multiply load weight byLoad Angle Factor to get
total load on sling legs.
(2000 lbs x 1.414 = 2828)
4. Divide total load by the
number of sling legs.
(2828 lbs 2 = 1414 lbs per sling leg)
5. Select slings from the single vertical leg column
within the sling capacity table.
2. Select corresponding
Load Angle Factor. (1.414)
RB 51
Calculating Sling Loading
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Steps:
1. Divide length by height to get Load Angle Factor.
( 6 ft 4 ft = 1.5)
2. Multiply Load Angle Factor by load weight to get
total load on sling legs.
( 1.5 x 2000 lbs = 3000 lbs)
3. Divide total load by number of sling legs to get
load on each sling leg.
( 3000 lbs 2 = 1500 lbs per sling leg)
4. Select slings from the single vertical leg column
within the sling capacity table.
RB 52
Determining Sling Capacity
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RB 50
Calculating Sling Loading
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Steps:
1. Determine sling angles. (50)
2. Go to 2-leg bridle capacity column at 50
3. Select 2-leg bridle with capacity equal to or greater
than load to be lifted. ( inch rope diameter at 3.6 tons)
50
RB 50
Effect of Tension
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RB 38
Working Near Power Lines
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Contact the utility company.
Conduct an on-site planning meeting.
Arrange for insulated barriers to be installed.
Have power lines re-routed.
RB128
The person responsible shall:
Working Near Power Lines
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RB129
Working Near Power Lines
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No part of the crane or load should enter the prohibited zone.
RB130
rec ng eMobile Crane Hand Signals
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___Dog Everything___Travel (both tracks)___Move Slowly
___Raise the Boom and Lower theLoad
___Stop___Emergency Stop___Use Whip Line___Raise Boom___Lower Boom___Travel
___Lower the Boom and Raise theLoad
___Travel (one track)
___Extend Boom___Retract Boom___Hoist___Lower___Use Main Hoist___Swing___Extend Boom (one hand)___Retract boom (one hand)
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18
7
114
5
2
9
10
17
12
19
13
143
6
1
8
15
16
RB151
Riggers Capacity Card
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Riggers Capacity Card
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Riggers Capacity Card
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Riggers Capacity Card
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Riggers Capacity Card
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