Construction Techniques Flashcards
7 cards from real CFB practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Construction Techniques flashcards as text
When trenching for a subsurface drainage system, what is a critical consideration for pipe installation?
Answer: Pipe bedding material must surround the pipe completely
Proper bedding material surrounding the drainage pipe prevents pipe crushing, maintains alignment, and allows water to enter perforated pipe from all sides.
What is 'crown' in the context of natural grass field construction?
Answer: The elevated center of a field that slopes away to promote drainage
Crown refers to the intentional high point at the center of a field that allows surface water to drain toward the sidelines.
During grading operations, what instrument is most commonly used to verify field grades and elevations?
Answer: GPS total station or laser level
GPS total stations and laser levels provide precise elevation measurements across large areas, ensuring the field meets design grade specifications.
What is the correct method for installing sod to prevent seam gaps from forming as the sod dries?
Answer: Butt pieces tightly together with staggered joints
Sod pieces are butted tightly end-to-end with staggered brick-like joints to prevent gaps from forming when the sod dries and contracts.
In synthetic turf field construction, what is the purpose of the shock pad layer?
Answer: To attenuate impact forces and meet G-max safety standards
Shock pads are designed to reduce impact forces and ensure the field's Gmax (hardness) values stay within safe limits for player safety.
Which condition most commonly leads to field rutting during construction?
Answer: Heavy equipment operating on wet or saturated soils
Operating heavy construction equipment on wet or saturated soils causes rutting because saturated soil lacks shear strength to support loads.
What is the function of a catch basin in a sports field drainage system?
Answer: To collect surface water and convey it to the underground drainage network
Catch basins collect surface water that flows across the field and direct it into the underground pipe system for removal from the site.