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This course outline is subject to change.
Week 1: Introduction to ASME and OSHA codes and standards
- Identify the codes and standards that apply to the preparation of safe and practical lift plans.
- List the restrictions and/or constraints that are required by the codes and standards.
- Course objectives/outcomes
- Course content
- ASME P30.1-2014 Planning for Load Handling Activities
- ASME B30.5-2014 Mobile and Locomotive Cranes 6. 29CFR1926.1400 Cranes and Derricks in Construction
Week 2: Types of Mobile Cranes and Their Advantages/Disadvantages on Construction Projects
- Identify the 5 major types of mobile cranes used in the construction industry.
- Explain the advantages and disadvantages of each type of mobile crane as to how it is used in the construction industry.
- Rough terrain cranes
- Hydraulic truck cranes
- Hydraulic crawler cranes
- Lattice boom crawler cranes
- Lattice boom truck cranes
Week 3: Rigging and Rigging Hardware
- Explain the uses and limitations of the major types of rigging and rigging hardware.
- Types of rigging
- Wire rope slings
- Chain slings
- Synthetic web slings
- Synthetic round slings
- Rigging hardware
- Hoist rings and eye bolts
- Rings and links
Week 4: Center of Gravity of Loads and Proper Rigging Selection
- Calculate the center of gravity of a load.
- Calculate actual loads applied to rigging, based on the center of gravity of the load.
- Select the proper rigging and rigging hardware to be used based on actual loads.
- Calculate gross loads.
- Identify the proper information that should be shown on a safe, practical, rigging plan.
- Calculating center of gravity
- Calculate actual rigging loads
- Selecting proper rigging and rigging hardware
- Gross loads
- Rigging plans
Week 5: Introduction to Mobile Crane Load Charts
- Understand the terminology used in crane load charts.
- Identify the sections of a load chart and what information the sections contain.
- Explain the differences between loads charts of different types of cranes and different manufacturers of cranes.
- Load chart definitions
- Load chart sections
Week 6: Gross Capacity Calculations for Mobile Cranes
- Calculate the gross capacity of different types of mobile cranes.
- Gross capacity for rough terrain cranes
- Gross capacity for hydraulic truck cranes
- Gross capacity for hydraulic crawler cranes
- Gross capacity for lattice boom crawler cranes
- Gross capacity for boom trucks
Week 7: Capacity Deductions for Mobile Cranes
- Calculate capacity deductions for different types of mobile cranes.
- Capacity deductions for rough terrain cranes
- Capacity deductions for hydraulic truck cranes
- Capacity deductions for hydraulic crawler cranes
- Capacity deductions for lattice boom crawler cranes
- Capacity deductions for boom trucks
Week 8: Special Topics on Mobile Crane Load Charts
- Identify different crane configurations and the advantages/disadvantages of each.
- Lifting jibs
- Super lift attachments
- Trailing counterweights
- Boom modes
- Lattice boom tips
- Outrigger extension
Week 9: Crane Placement on Jobsite and Tandem Lifts
- Identify job site hazards that may affect crane placement.
- Determine crane placement on jobsite.
- Determine controlling factors in tandem lifts.
- Jobsite hazards
- Other jobsite/lift considerations
- Determining crane placement
- Tandem lifts
Week 10: Ground Bearing
- Determine ground bearing pressures exerted by the crane during the lift.
- Determine proper load spreading methods based on allowable ground bearing pressures.
- Ground bearing pressure by manufacturer’s applications
- Ground bearing pressure by independent calculation
- Load spreading methods
Week 11: Critical Lift Plan
- Produce a complete, safe, and practical lift plan incorporating mobile crane capacities, rigging plan, site conditions, and ground bearing requirements.
- Lift data sheet
- Rigging diagram
- Lift diagram
Week 12: Lift Plan Considerations for Alternative Lifting Methods
- Describe alternative lifting methods and how lift plans will need to be modified to incorporate these methods.
- Gantry lifts
- Lifting frames
- Hydraulic platform trailers
- Storage beams and stands
This course outline is subject to change.