Rigging Exam Part 1

Question 1

What is rigging?

Answer 1

The means of supporting, suspending, or moving equipment, material, or people in the air.

Question 2

What are the roles and responsibilities of a ground rigger?

Answer 2

• Maintains safer perimeters beneath high work being done
• Maintains safe path and perimeter around aerial work platforms
• Monitors the movement of aerial work
• Builds points for high work
• Reads drawings and floor markings
• Rigs motors, assembles & checks motor control systems & makes attachments to items for hosting/flying
• Does visual & mechanical safety inspections
• Must know the rescue plan

Question 3

A rigger completes the job by…

Answer 3

• Using their knowledge & training of system
• Working w/in system’s safe working limits
• Working safely w/in venue specific operating procedures
• Following provincial regulations

Question 4

Qualities/characteristics

Answer 4

• Honest about capabilities
• Takes responsibility for what they know & don’t know
• Clearly communicates
• Problem solving skills
• Meets deadlines

Question 5

What is a competent worker?

Answer 5

Defined by OHSA, a person who is…

1. Qualified bc of knowledge, training & experience
2. Familiar w the Act & regulations that apply to the work
3. Knowledge of potential or actual danger to workplace H&S

Question 6

The are the 4Ks?

Answer 6

KNOW the rigging system you’re working with

KEEP the equipment in safer working order

KNOW how to use it

KEEP your concentration

Question 7

Types of Natural Rope

Answer 7

Manila, hemp, cotton, sisal

Question 8

Types of Synthetic Rope

Answer 8

Polyester, nylon, polypropylene, Kevlar

Synthetic: made by chemical synthesis, especially to imitate a natural product

Question 9

What should you remember when choosing rope?

Answer 9

Cost, strength, application

Question 10

Single Braid Rope

Answer 10

Basic braid, no core, will flatten, easy to tie & hard to untie

Question 11

Double Braid Rope

Answer 11

Core in center to hold round shape, easy to handle

Question 12

Parallel Core Rope

Answer 12

Inside core not connected to outside (inside can be pulled out), core strands run straight (not twisted), very low stretch

Question 13

Kernmantle / Para-cord

Answer 13

Similar to parallel core, EXCEPT interior strands are woven together, less bend/workability, more long lasting

MOST COMMON ROPE IN THE FIELD

Question 14

3 Strand Rope

Answer 14

3 strands woven together by the fibers in each, strands run 1 direction, fibers run the other

Question 15

Name 4 types of knots:

Answer 15

1. Clove Hitch
2. Sheet Bend
3. Bowline (loop knot)
4. Opera Knot

Question 15

What makes rope good for rigging?

Answer 15

Low elongation, durability, cost vs. value, easy to handle

Question 16

Name the 5 types of loads

Answer 16

1. Tension
2. Compression
3. Shear
4. Torsion
5. Bending Moment

Question 17

Difference btwn a Static & Dynamic Load?

Answer 17

Static = unchanging

Dynamic = moving & changing

Question 18

Newton’s Third Law

Answer 18

For every action there is an equal and opposite reaction

Question 19

What is tension?

Answer 19

2 opposing forced pulling

Question 20

What is Shear force?

Answer 20

2 opposing forces offset from each other

Question 21

What is Torsion?

Answer 21

2 rotating forces offset from each other

Question 22

What is the formula triangle?

Answer 22

Breaking Strength

Working load limit Safety Factor

Question 23

Review the counterweight diagram now!!!

Answer 23

Good job!

Question 24

How do you calculate resultant force?

Answer 24

RF = (Tension) (Angle Factor)

Question 25

What’s the order of hanging a basket?

Answer 25

Pin, rope, steel, shackle

Question 26

Review a point with motor diagram!!

Answer 26

Great job, you’re so smart :)

Question 27

Explain the difference btwn a bridle and a dead hang

Answer 27

Dead hang = suspended load directly below attachment point

Bridle = 2 steel “legs” attached to shackle that connects to stinger
- total load = divided btwn the legs