National Grid Task 71
National Grid Task 71
Here are the best resources to pass National Grid Task 71. Find National Grid Task 71 study guides, notes, assignments, and much more.
4 results
Exam (elaborations)
National Grid Task 71 Review (Latest 2025/ 2026 Update) Excavation & Backfill | Questions & Answers| Grade A| 100% Correct (Verified Solutions)
National Grid Task 71 Excavation & Backfill | Questions & Answers| Grade A| 100% Correct (Verified Solutions) 
 
 
QUESTION 
When exposing an unknown facility during any excavation, who must you call and what must you do? 
 
 
Answer: 
Call 811 
Recheck company records 
 
 
 
QUESTION 
Standardized utility marking system consists of what colors and utilities that are most commonly seen? 
 
 
Answer: 
Gas - Yellow 
Electric - Red 
Sewage - Green 
Water - Blue 
Communication - Orange 
 
 
 
QUESTI...
Exam (elaborations)
National Grid Task 71 Exam (Latest 2025/ 2026 Update) Excavation & Backfill | Questions & Answers| Grade A| 100% Correct (Verified Solutions)
PopularNational Grid Task 71 Excavation & Backfill | Questions & Answers| Grade A| 100% Correct (Verified Solutions) 
 
 
QUESTION 
What should you do if a third-party was found to be working around transmission lines without a proper mark out? 
 
 
Answer: 
Request a work stoppage due to code violation 
 
 
 
QUESTION 
At what depth of feet is shoring mandatory for all excavations? 
 
 
Answer: 
5 feet or more 
 
 
 
QUESTION 
The most common five utility marking systems 
 
 
Answer: 
— gas 
- elect...
Exam (elaborations)
National Grid Task 71 Excavation & Backfilling Questions with Verified 100% Correct Answers
National Grid Task 71 Excavation & Backfilling Questions with Verified 100% Correct Answers
Exam (elaborations)
National Grid Task 71 Guide (Latest 2025/ 2026 Update) Excavation & Backfill | Questions & Answers| Grade A| 100% Correct (Verified Solutions)
National Grid Task 71 Guide (Latest 2025/ 2026 Update) Excavation & Backfill | Questions & Answers| Grade A| 100% Correct (Verified Solutions) 
 
 
QUESTION 
A pneumatic tamper and pavement breaker tamping foot are used on ___ lifts 
 
 
Answer: 
6" 
 
 
 
QUESTION 
A vibratory plate compactor and percussive whacker rammer are used on _________ lifts 
 
 
Answer: 
6" to 12" 
 
 
 
QUESTION 
811 for mark out are to 
 
 
Answer: 
Notify utilities of the intent to excavate 
 
 
 
QUESTION ...