Plumbing in Trenches and Excavations Quiz

What is one reason plumbers might need to work in trenches and excavations?

• To plant trees

• To install new MDPE cold water supplies

• To build houses

• To paint walls

Who usually does most of the work in trenches and excavations on construction sites?

• Plumbers

• Painters

• Groundworkers or service providers

• Electricians

What is another task plumbers might do in excavations below ground?

• Install above ground drainage

• Install below ground drainage

• Install lighting

• Install windows

Why is it important for plumbers to understand working practices in trenches and excavations?

• To learn how to paint

• To understand planning and safety

• To build furniture

• To design clothes

What is a danger when working in trenches?

• Wall collapse and falling objects

• Loud noises

• Bright lights

• Heavy rain

What is essential for work in trenches?

• Planned, managed, and supervised

• Quick and easy

• Unplanned and unsupervised

• Done at night

What is essential to prevent the collapse of excavations?

• Permanent support

• Temporary support

• No support

• Decorative support

What must be done for any excavation deeper than 1.2 meters?

• It must be painted.

• It must be supported.

• It must be filled with water.

• It must be covered with a tarp.

What should be assessed before starting work on a trench?

• The weather forecast.

• The ground type.

• The color of the soil.

• The number of workers.

What must be confirmed for safe access to a trench?

• Ladder access.

• Rope access.

• Bridge access.

• Tunnel access.