Lesson 1: Load Weight Estimation
Topics:
Square Tubing; Portable Water Tank; Tank & Stand; Fir Timbers; Steel Cask; Half Circle of Steel; Motor & Gear Box
Objectives:
– Successfully estimate the weight of common industrial loads.
Lesson 2: Center of Gravity
Topics:
Pre-cast Bridge Column; Center of Gravity; C-Pipe; Find CG by Test Lift
Objectives:
– Successfully estimate the center of gravity of common industrial loads.
Lesson 3: Sling Tension
Topics:
Girder; Motor & Pump; Adjustable 2-Leg Chain Sling; Offset CG - Steel Shaft; Three-Point Skid
Objectives:
– Successfully estimate the sling tension of common industrial loads.
Lesson 4: Load Distribution
Topics:
Load Transfer with Trolley Beam; Two Crane Rodeo Exercise; Two Hook Pick; Two Bridge Cranes, Four Hooks
Objectives:
– Determine load distribution on various lifting systems.
Lesson 5: Chain Fall & Load Drifting
Topics:
Drifting Cautions; Load Drifting; Ugly Load Drifting
Objectives:
– Successfully determine tensions to chain falls and come-a-longs.
– Understand the theory behind successful drifting operations.
Lesson 6: Load Uprighting & Load Turning
Topics:
Introduction; Load Uprighting Exercise; Load Turning
Objectives:
– Plan a controlled load turn.
– Determine weight transfer.
– Understand the theory behind load uprighting and turning.
Lesson 7: Levers, Jacking & Rolling
Topics:
Big Lever, Jacking Exercise; Industrial Rollers - 4 Point; Industrial Rollers - 3 Point; Blocking
Objectives:
– Determine load to winches, jacks, rollers, and floors during special load handling activities.
– Understand the theory required to successfully move loads horizontally.
Lesson 8: Winches & Blocks
Topics:
Coefficient of Friction; Multiple Part Lines; Winch & Blocks for Rolling; Incline Plane-Pulling Uphill
Objectives:
– Determine the load to rigging blocks.
– Understand the mechanical advantage necessary to move a load vertically or horizontally.
Lesson 9: Off-Level Pick Points
Topics:
I-Beam Exercise; Dump Box
Objectives:
– Calculate sling tensions for off-level pick points.
