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Importance of Dewatering in Construction

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Importance of Dewatering in Construction

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Questions and Answers

Why is dewatering important for trenching and pipelaying activities?

To minimize the discharge of sediment-laden water into surrounding water bodies.

To create dry and stable excavation conditions. (correct)

To prevent settlement and heave in the soil.

To reduce the risk of accidents on the construction site.

What is the purpose of a dry well in a drainage system?

To collect surface water

To store excess groundwater

To increase stormwater runoff

To allow surface water to percolate away (correct)

What is the function of a culvert in infrastructure?

To channel water under a road or sidewalk (correct)

To retain heavy sediment

To increase hydrostatic pressure

To collect rainwater

How does dewatering benefit the installation of underground utilities?

By reducing the risk of damage and ensuring proper alignment and placement. Signup and view all the answers

What is the role of a headwall in a drainage system?

To serve as an inlet retaining wall for a drain Signup and view all the answers

What is the primary role of dewatering in pipelaying activities?

Facilitating the installation of pipelines with greater efficiency. Signup and view all the answers

What defines a box culvert in drainage infrastructure?

Rectangular cross section Signup and view all the answers

How does dewatering contribute to environmental protection during pipelaying?

By minimizing the discharge of sediment-laden water into water bodies. Signup and view all the answers

How does a catch basin contribute to a drainage system?

By collecting surface water and retaining sediment Signup and view all the answers

In what way does a manhole support urban infrastructure?

By allowing maintenance access to sewers or drains Signup and view all the answers

Which aspect is most directly influenced by dewatering in trenching activities?

Stability of excavation conditions. Signup and view all the answers

Which outcome does dewatering help to prevent during trenching activities?

Settlement and heave in the soil. Signup and view all the answers

Which equipment is commonly used for achieving the desired soil density and stability when working with moist soil?

Vibratory rollers and plate compactors Signup and view all the answers

In what kind of soil conditions is an excavator bucket with teeth ideal?

Moist, sticky soil Signup and view all the answers

What challenges can high moisture content in soil lead to?

Clumping and handling difficulty Signup and view all the answers

How can poorly managed surface water runoff impact a construction site?

Necessitate additional corrective measures due to erosion Signup and view all the answers

What is the primary purpose of using dewatering pumps at construction sites?

To remove excess water and maintain a dry worksite Signup and view all the answers