Crane Safety June 2012

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Slide 1: 

MySafetyTrainingOnline.com Presents Crane Safety June 2012

What You Will Learn : 

What You Will Learn

What You Will Learn (cont.) : 

What You Will Learn (cont.)

Slide 4: 

Part I. Causes of Crane Accidents

Leading Causes of Accidents : 

Leading Causes of Accidents

Contributing Causes of Accidents : 

Contributing Causes of Accidents

Slide 7: 

Part 2. Crane Parts Discussion

Crane Sections & Parts Identified : 

Crane Sections & Parts Identified

Parts (cont.) Boom Angle Indicator : 

Parts (cont.) Boom Angle Indicator

Parts (cont.) Crane Sheeves : 

Parts (cont.) Crane Sheeves

Slide 11: 

Parts (cont.) Rigging Slings Chain Wire rope Metal mesh Synthetic

Crane Parts (cont.) Leveling Devices : 

Crane Parts (cont.) Leveling Devices Cranes must be on a firm supporting surface and level within 1 percent of absolute level surface.

Crane Parts – Cont.) Guardrails : 

Crane Parts – Cont.) Guardrails

Slide 14: 

Part 3. Crane Maintenance Activities

Crane Maintenance - Ladders : 

Crane Maintenance - Ladders Ladder

Slide 16: 

Crane Hazards Part 3

Crane Definitions : 

Crane Definitions

Crane Safety Definitions : 

Crane Safety Definitions

Definition of a Competent Person : 

Definition of a Competent Person

Crane Safety Hazards : 

Crane Safety Hazards

Crane Safety Hazards : 

Crane Safety Hazards

Slide 22: 

Pre-Startup Activities

Crane Pre-Start Activities : 

Crane Pre-Start Activities

Pre-Startup Activities : 

Pre-Startup Activities

Maintenance Activities : 

Maintenance Activities

Crane Maintenance Deficiencies : 

Crane Maintenance Deficiencies

Crane Deficiencies (cont.) : 

Crane Deficiencies (cont.) Damaged wire rope must be taken out of service

Crane Deficiencies(cont.) : 

Crane Deficiencies(cont.) WORN PART

Crane Deficiencies (cont.) : 

Crane Deficiencies (cont.)

Slide 30: 

Part 5. Operator Training

Slide 31: 

Operators: must qualify on specific crane type Must include on-the-job training - They need their Supervisor / competent person

Crane Loading Capacities : 

Crane Loading Capacities Load Rating Chart

Operator Weight Load Considerations : 

Operator Weight Load Considerations

Operator Weight Load Limiting Factors : 

Operator Weight Load Limiting Factors

Operator Mobile Crane Lifting Principles : 

Operator Mobile Crane Lifting Principles

Slide 36: 

Operator Load Lifting Limitation Considerations – One Example A 30 Ton Crane Example 1. Center pin of the crane 2. Based on level surface, no wind, and outriggers fully extended 3. At 25 feet from the center pin with an 80 foot boom, the capacity is only 14,950 pounds 4. At 74 feet from the center pin, the capacity is only 4,800 pounds

Crane Operator Improper Loading Hazards : 

Crane Operator Improper Loading Hazards Improper Load lifting by Operator Tip-over Hazard caused by improper load lifted

Crane Operator Improper Loads (cont.) : 

Crane Operator Improper Loads (cont.) An illustration of the signals must be posted at the job site Stay clear from power lines at least 10 feet

Crane Operator Hazards : 

Crane Operator Hazards Swing Radius Stay out of the swing radius of the crane – Make sure there are barrier guards showing swing radius Guard moving parts such as gears or belts Unguarded belt

Crane Operator load hazards : 

Crane Operator load hazards Don’t stand under suspended loads

Slide 41: 

Crane Safety Summary I. An unstable load, lack of communication, lack of training, and inadequate maintenance or inspection are major contributors to crane accidents. II. Operators or others working in the area can be victims to “struck by" and "caught in" injuries.

Slide 42: 

Crane Safety Summary III. Contact with power lines causes many accidents. IV. A competent person must inspect a crane regularly to insure it is in proper order. V. Planning and training reduces accidents

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