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If using a trench box in combination with sloping or benching, the box should extend at least ______ above the adjacent slope. Option 1: 12 inches Option 2: 18 inches Option 3: 24 inches Option 4: 30 inches
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If using a trench box in combination with sloping or benching, the box should extend at least ______ above the adjacent slope.

Option 1: 12 inches
Option 2: 18 inches
Option 3: 24 inches
Option 4: 30 inches

User AndyO
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8.1k points

1 Answer

3 votes

Final answer:

When using a trench box in combination with sloping or benching, the box should extend at least 18 inches above the adjacent slope.

Step-by-step explanation:

When using a trench box in combination with sloping or benching, the box should extend at least 18 inches above the adjacent slope.

According to newer work, it is recommended to have as much as 8 diameters side-to-side and 15 diameters deep when using sloping or benching techniques.

User Michael Tontchev
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