presents

Objectives
•
In this course, we will:
– Recognize potential struck by/caught between scenarios
–
Identify and recognize the hazard(s) of struck by/caught between
–
Control struck by/caught between hazards

Definitions
•
Competent person
– “One who is capable of identifying existing and predictable hazards…”
Safety
1926.32 (f)

5-Year Total: 96 Fatalities

Struck By/Caught Between

Struck By/Caught Between
•
Trenching and excavation
•
Construction equipment
•
Tools and equipment
•
Materials handling, storage, use, and disposal
•
Rigging
•
Motor vehicles

Trenching and Excavation
•
Safety issues
–
Heavy vehicular traffic
–
Nearby train traffic
–
Nearby blasting
–
Rain; freezes and thaws

Trenching and Excavation
•
What are the safety issues with:
– Heavy vehicular traffic?
– Nearby train traffic?

Trenching and Excavation
•
What are the safety issues with nearby blasting?

Trenching and Excavation
•
What are the safety issues after rain, snow or other event (thawing, freezing)?

Trenching and Excavation
•
Safe work practices:
–
Inspections conducted after any event that increases the risk of a hazardous condition (trench collapse)
–
Adequately slope or bench sides, or use an appropriate protective system
–
Enforce employee safe work procedures

Construction Equipment
•
Safety issues
•
Overhead hazards
• Low visibility

Construction Equipment
•
Safe work practices:
–
Vehicle(s) used to haul material and loaded by cranes, power shovels, loaders or other such equipment must have a cab shield or canopy that protects the driver from falling materials.

Construction Equipment
•
Safe work practices:
– Do not drive a vehicle in reverse gear with an obstructed rear view, unless it has an audible reverse alarm, or another worker signals that it is safe.

Construction Equipment
•
No visibility zone
– Three axle dump truck

Construction Equipment
•
No visibility zone
– Dozer

Construction Equipment
•
No visibility zone
–
Backhoe loader

Construction Equipment
•
No visibility zone
– Grader

Tools and Equipment
•
Safety issues:
– Improper work procedures
– Use of defective equipment

Tools and Equipment
•
What are the safety issues?

Tools and Equipment
• What are the safety issues?

Tools and Equipment
Figure 1
Figure 2
Figure 3
Figure 4

Tools and Equipment
•
Safe work practices:
– Provide adequate training in work procedures before tools and equipment are used.

Materials Handling
•
Safety issues:
–
Improperly stored materials
–
Incorrectly cutting ties or other securing devices
–
Improper loading and unloading

Materials Handling
•
What safety issues do you see?

Materials Handling
•
What are the safety issues?

Materials Handling
•
What safety issues do you see?

Materials Handling
•
Safe work practices:
–
Establish and enforce proper work practices, equipment, and controls

Rigging
•
Safety issues:
– Using defective rigging equipment
–
Excessive loading
–
Lack of communication

Rigging
•
What are the safety issues?

Rigging
•
What are the safety issues?

Rigging
•
Safe work practices
– Load should not exceed rated capacity
– Protect sling from sharp corners
– Know center of gravity of load
–
Inspect the rigging
–
Keep personnel clear
–
Never leave load unattended
– Wear hardhats when lifting

Motor Vehicles
•
Safety issues:
– When vehicle safety practices are not observed, there is a risk of being pinned, caught between and/or struck by vehicles.

Motor Vehicles
•
Safe work practices
– Provide an area of separation between traffic flow and work area

Motor Vehicles
•
Safe work practices
– All workers exposed to the risks of moving roadway traffic or construction equipment should wear high-visibility safety apparel.

Motor Vehicles
•
What are the safety issues?

Motor Vehicles
•
What are the safety issues?

Preventing Struck By/Crushed By Injuries
•
Comprehensive Safety Program
–
Development, implementation, and enforcement of program for workers
• Includes training in the recognition and avoidance of unsafe work conditions and instruction in safe work practices
– If a multilingual workforce, instruction should be in the language understood by the worker
•
Ensures appropriate PPE and usage

Summary
•
In this course, we discussed:
–
Potential struck by/caught between scenarios
–
Identification and recognition of struck by/caught between hazards
– Controlling struck by/caught between hazards

Recognize Any Hazard(s)?
40

YES
Avoid struck-by hazards by not working within the swing radius of heavy equipment
41

Recognize Any Hazard(s)?
42

YES
Grinding or striking materials can create flying object hazards. This worker is protected by equipment guarding and faceshield, but should have safety glasses/goggles
43

Recognize Any Hazard(s)?
44

YES
The wrecking ball is loosely attached to arm; could come loose and strike operator’s cab
A worker could be struck by the wrecking
45 ball, hit, or run over by the excavator

Recognize Any Hazard(s)?
46

YES
No head protection workers exposed to struckby hazards from falling objects
47

Recognize Any Hazard(s)?
48

Unsecured gas cylinders are being transported, exposing workers to struck-by hazard from flying projectiles
YES
49

Recognize Any Hazard(s)?
50

YES
Avoid working below suspended overhead materials. Worker is exposed to falling and swinging struck-by hazards
51

Recognize Any Hazard(s)?
52

YES
Highway construction worker needs to wear high visibility reflective clothing to help prevent struck-by hazard from moving heavy equipment
53

Recognize Any Hazard(s)?
54

YES
Slip form paver had blind spot to the rear exposing workers to a struck-by hazard from moving heavy equipment; mirror was added in order for operator to see
55

Recognize Any Hazard(s)?
56

YES
Stay clear of loads that are suspended or about to be suspended which create struck-by hazards from falling or swinging objects. If control of the load by a worker is necessary then a tag line should be used
57

Recognize Any Hazard(s)?

YES
Powder-actuated tools can create flying object struck-by hazards. Never drive into easily penetrated materials when workers are on the other side

Recognize Any Hazard(s)?
60

Potential crushing hazard from overhead boulder .
YES
No protective system in this excavation .
61

Recognize Any Hazard(s)?
62

Caught-in hazards occur when a worker could be caught inside of or in between different objects
YES
63

Recognize Any Hazard(s)?
64

YES
Unguarded belt and pulley. Worker can get hand and/or clothing caught in running nip point
65

Recognize Any Hazard(s)?
66

Gloves, long sleeve shirts, jewelry, or loose fitting clothing can be hazardous if caught in moving parts.
YES
67

Recognize Any Hazard(s)?
68

Worker in an unprotected vertical wall trench [pipe work] is exposed to being totally engulfed by the trench if it collapses.
YES
Next to a residential structure
No protective systems in use
Ladder at the end of the trench
69

Recognize Any Hazard(s)?
70

Do not work between the frame and dump box of a dump truck
YES
Truck box not blocked
71

Recognize Any Hazard(s)?
72

YES
Employee could be caught between track of dozer and wall
73

Recognize Any Hazard(s)?
74

Crane booms that are not adequately supported when the pins are removed during dismantling
YES
Do not work under the truss boom during dismantling
75

Recognize Any Hazard(s)?
76

YES
The wrecking ball is loosely attached to arm; could come loose and strike operator’s cab
A worker could be caught between the wrecking ball and the dumpster
77

Recognize Any Hazard(s)?
78

YES
Unstable footing on scaffold by using concrete block
79