Rigging 1 - DVD
This 60-minute DVD explains the fundamentals of overhead rigging. The topics covered include three basic elements of safe rigging, rope, knots and knot tying, use of a hand line, and use of a block and tackle. It also introduces approaches to performing basic rigging tasks. It covers how to plan a rigging job, how to inspect the equipment used on a job, how to tie basic knots commonly used in rigging, how to hang and use a hand line, and how to hang and use a block and tackle. It also explains how to calculate the mechanical advantage of a block and tackle, and how to identify the basic parts of a rope.
Introduction to Rigging – 8 minutes
Defines rigging as it applies to overhead line work. Lists and explains three elements of safe rigging practice.
Fiber Rope – 12 minutes
Describes the classifications of fiber rope used in overhead rigging. Defines the terms safe working load and breaking strength. Describes the characteristics of fiber rope used for rigging. Explains the procedures typically used for inspecting a rope. Identifies the parts of a rope.
Knots and Knot Tying – 13 minutes
Demonstrates how to coil a rope and secure it for storage. Demonstrates how to tie these knots: slip, square, half hitch, and bowline. Demonstrates how to make an eye splice.
Describes the purpose of a hand line. Describes typical elements that make up a hand line. Demonstrates various uses for a hand line.
Block and Tackle – 11 minutes
Describes a typical block and tackle and its purpose. Identifies the basic components that make up a block and tackle. Explains and gives examples of mechanical advantage. Determines the mechanical advantage of a given block and tackle. Explains how a block and tackle can be used to lift a utility pole.
Rigging on the Job – 5 minutes
Explains how to test rigging before starting a job. Explains how to rig to lift a transformer with a block and tackle.