Digger Derrick Exam Questions With
Complete Answers
811
What information should you have before you call 811 - ANSWER-Contact
information, location of dig, type of work that is to be done
Who comes out to mark locations of underground utilities in your dig area -
ANSWER-Utility company
Always stay away a minimum of what distance from underground utilities when
digging - ANSWER-Minimum of 2ft
What can and cannot be used in a tolerance zone
To dig - ANSWER-Hand tools, vacuum
No power tools, digger Derrick etc
24 inches each side of conduit
What do you call using the right tools for the right job while partaking in soft
excavation or digging by hand - ANSWER-Prudent excavation techniques
What kind of work site protection can be implemented in TTC areas - ANSWER-
Flags, cones, signs
What publication can you use to read about temporary traffic control - ANSWER-
Manual Uniform Traffic Control Devices
Chapter 6
What are the seven fundamental principles of TTC - ANSWER-Plans should be
made to protect people passing through
Try not to affect passer bys
Leave no gray area for the path travelers will use
Inspect your TTC elements throughout day and night
Make sure your TTC integrity doesn't deteriorate
Everyone involved in work has to be trained
Be polite to travellers or people with questions
Four main components of a TTC zone - ANSWER-Advanced warning
Transition area
Activity area
Termination area
Complete Answers
811
What information should you have before you call 811 - ANSWER-Contact
information, location of dig, type of work that is to be done
Who comes out to mark locations of underground utilities in your dig area -
ANSWER-Utility company
Always stay away a minimum of what distance from underground utilities when
digging - ANSWER-Minimum of 2ft
What can and cannot be used in a tolerance zone
To dig - ANSWER-Hand tools, vacuum
No power tools, digger Derrick etc
24 inches each side of conduit
What do you call using the right tools for the right job while partaking in soft
excavation or digging by hand - ANSWER-Prudent excavation techniques
What kind of work site protection can be implemented in TTC areas - ANSWER-
Flags, cones, signs
What publication can you use to read about temporary traffic control - ANSWER-
Manual Uniform Traffic Control Devices
Chapter 6
What are the seven fundamental principles of TTC - ANSWER-Plans should be
made to protect people passing through
Try not to affect passer bys
Leave no gray area for the path travelers will use
Inspect your TTC elements throughout day and night
Make sure your TTC integrity doesn't deteriorate
Everyone involved in work has to be trained
Be polite to travellers or people with questions
Four main components of a TTC zone - ANSWER-Advanced warning
Transition area
Activity area
Termination area
