301 H&S - Excavations and Confined Spaces PP

What is the main danger when working in trenches and excavations?

• Wall collapse

• Falling objects

• Flooding

• Inadequate lighting

What should be done with the soil when working in an excavation?

• Stored away from the edge

• Dumped inside the excavation

• Spread around the construction site

• Used to fill up the trench

What should be in place to prevent vehicles from entering the trench?

• Warning notices

• LPG cylinders

• Vehicle stops

• Emergency exit ladder

What is the maximum depth at which a plumber should work in an unsupported trench?

• 0.5m

• 1.0m

• 1.2m

• 1.5m

What is the main risk when working in confined spaces?

• Inadequate ventilation

• Flooding

• Obstruction of an escape route

• Explosion

What are the essential features of a permit to work?

• Identification of job authorizers and responsible parties

• Inclusion of contractors

• Training and instruction

• All of the above

What was the catastrophic loss of life incident that resulted from a failed permit to work?

• Piper Alpha Disaster

• North Sea Explosion

• Piper Alpha Explosion

• Catastrophic Loss of Life Incident

Plumbers may be required to work in excavations below ground to:

• all of the above

• install MDPE

• install SWA

• install ABC

The use of LPG in and around trenches is prohibited

• True

• False

What fluid category is present in soil pipe?

• 1

• 2

• 3

• 4

• 5