CFB Construction Techniques 3

Question 1

When trenching for a subsurface drainage system, what is a critical consideration for pipe installation?

Accepted Answer

Pipe bedding material must surround the pipe completely

Answer

Proper bedding material surrounding the drainage pipe prevents pipe crushing, maintains alignment, and allows water to enter perforated pipe from all sides.

Question 2

What is 'crown' in the context of natural grass field construction?

Accepted Answer

The elevated center of a field that slopes away to promote drainage

Answer

Crown refers to the intentional high point at the center of a field that allows surface water to drain toward the sidelines.

Question 3

During grading operations, what instrument is most commonly used to verify field grades and elevations?

Accepted Answer

GPS total station or laser level

Answer

GPS total stations and laser levels provide precise elevation measurements across large areas, ensuring the field meets design grade specifications.

Question 4

What is the correct method for installing sod to prevent seam gaps from forming as the sod dries?

Accepted Answer

Butt pieces tightly together with staggered joints

Answer

Sod pieces are butted tightly end-to-end with staggered brick-like joints to prevent gaps from forming when the sod dries and contracts.

Question 5

In synthetic turf field construction, what is the purpose of the shock pad layer?

Accepted Answer

To attenuate impact forces and meet G-max safety standards

Answer

Shock pads are designed to reduce impact forces and ensure the field's Gmax (hardness) values stay within safe limits for player safety.

(CFB) Certified Field Builder Practice Test

(CFB) Certified Field Builder Practice Test

CFB Construction Techniques 3