NRSWA Excavation in the Highway Practice Questions - Set 1

Results

#1. What type of hand tools should be used to follow safe excavation procedures?

Jack hammer

Steel spades/shovels

Insulated tools

Any provided by your company

#2. How often should you CAT scan the ground during the excavation process?

Every 300mm

Once at the start of the process

Depends on how many services are present

Every 500mm

#3. What is the minimum distance from the edge of an excavation that materials should be stockpiled?

1mtr

As close as possible

At least equal to the depth of the excavation

0.5mtr

#4. Which class of Backfill material is known as Cohesive?

#5. What category of carriageway is the most common in the UK?

Type 1

Type 2

Type 3

Type 4

#6. If a High Duty footway is constructed to carry a large amount of pedestrian traffic, what is one purpose of a High Amenity footway?

Built next to public toilets

Built for decorative purposes

Built to carry large amounts of foot traffic

Built for its anti-skid value

#7. What is the name of the construction layer above the Base layer in a flexible carriageway?

Surface Course

Base layer

Backfill

Binder Course

#8. Which field identification test is carried out on a silt material

Test 1

Test 2

Test 3

Test 4

#9. What problem will be caused if GSB Type 1 stone is not stored correctly, exposing it to wet or dry weather conditions.

Stolen off site

Loss of fines resulting in lack of bonding

Increased strength

Harder to shovel

#10. What determines the requirement for trench support/shoring systems

Excavation over 1.2m deep

Cost

Time

Ground conditions

Finish

NRSWA Excavation in the Highway Practice Questions – Set 1