H&S PowerPoint 8

All trenches should be

• planned

• managed

• supervised

• all of the above

What type of trench is this?

• Battered

• Benching

• Battered and Benching

• Supported

What type of trench is this?

• Battered

• Benching

• Battered and Benching

• Supported

What type of trench is this?

• Battered

• Benching

• Battered and benching

• Supported

What type of trench is this?

• Battered

• Benching

• Battered and Benching

• Supported

Where should ladder access be at in a long trench?

• One end of the trench

• both ends of the trench

• middle of the trench

• regular intervals

What is the minimum distance spoil should be to the edge of the trench?

• 0.5 meters

• 1 meter

• 2 meters

• 5 meters

Trench barrier should be what height

• 1 meter

• 2 meters

• 4 meters

• 10 meters

How far should the trench barrier be from the edge of the trench?

• 1 meter

• 5 meters

• 20 meters

• 100 meters

What is a stop block used for?

• Supporting the trench

• place signs on

• Stop vehicles from getting to close to the edge