Masonry - Excavation

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Last updated 5:14 PM on 9/2/26
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8 Terms

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Trench

Narrow dig for installing utilities like water, sewer, gas lines, or cables.

<p>Narrow dig for installing utilities like water, sewer, gas lines, or cables.</p>
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Trench box or shield

A protective barrier inserted into a trench to prevent cave-ins.

<p>A protective barrier inserted into a trench to prevent cave-ins.</p>
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Benching

Digging steps or "benches" along the sides of the excavation walls to prevent cave-ins

<p>Digging steps or "benches" along the sides of the excavation walls to prevent cave-ins</p>
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Access Points

Designated entry and exit for workers. Required in trenches 4 feet or deeper.

<p>Designated entry and exit for workers. Required in trenches 4 feet or deeper.</p>
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Blue lines mean...

Water

<p>Water</p>
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Red lines mean...

Electric

<p>Electric</p>
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White lines mean...

Proposed excavation

<p>Proposed excavation</p>
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Yellow lines mean...

Gas

<p>Gas</p>