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Culvert Installation and Maintenance Quiz

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Culvert Installation and Maintenance Quiz

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Questions and Answers

What is the purpose of drainage structures installed beneath or alongside the roadway?

Aiding in the growth of roadside vegetation

Collecting, transporting, and disposing surface water (correct)

Preventing erosion caused by rainfall

Supporting the weight of the roadway

What equipment is suitable for excavation work for a pipe culvert or a segmental type box culvert?

Crane

Backhoe (correct)

Excavator

Bulldozer

How should the trench or streambed be shaped for the installation of a culvert?

To match the surrounding landscape

To create a reservoir

To follow the natural water flow

To fit the bottom of the culvert (correct)

What is essential for maintaining boundaries and grades during excavation by hand method?

Lines should be strung Signup and view all the answers

How should a well-located, properly bedded, and accurately assembled drainage structure function over time?

Properly and efficiently for a long period of time Signup and view all the answers

What are the key factors for ensuring the proper function and efficiency of a drainage structure over time?

A well-located, properly bedded, accurately assembled, and carefully backfilled drainage structure is essential for proper function and efficiency over time. Signup and view all the answers

What is the recommended equipment for excavation work for a pipe culvert or a segmental type box culvert?

A backhoe is suitable for excavation work for a pipe culvert or a segmental type box culvert. Signup and view all the answers

How should excavation by hand method be facilitated to maintain boundaries and grades?

Lines should be strung to limit the boundaries of the excavation, and at least one string set parallel to the grade line to assist in maintaining the lines and grades. Signup and view all the answers

What should be the shape of the trench or streambed for the installation of a culvert?

The trench or streambed must be shaped to fit the bottom of the culvert. Signup and view all the answers

What is the recommended width of the trench for the installation of a culvert?

If the structure is to be installed in a trench, the trench should be kept as narrow as possible but sufficiently wide. Signup and view all the answers