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
What is 'proctor density' and why is it important in field construction?
Answer: The maximum dry density of soil at optimum moisture content, used as a compaction standard
Proctor density is the benchmark maximum dry density achieved under laboratory conditions, used to specify and verify field compaction quality.
When constructing a baseball infield skin, which material is most commonly used for the warning track?
Answer: Decomposed granite or crushed brick
Warning tracks are typically constructed of decomposed granite or crushed brick, providing a distinct texture and color that alerts outfielders approaching the fence.
What is the critical reason for installing an edge restraint or border when constructing a synthetic turf field?
Answer: To anchor the turf perimeter and prevent edge lifting or curling
Edge restraints securely anchor the perimeter of the synthetic turf, preventing the edges from lifting, curling, or separating from the base under use.
In field lighting installation, why is the placement of conduit runs typically planned during the base construction phase?
Answer: To avoid cutting through compacted base layers after completion
Installing electrical conduit during base construction avoids disruptive and costly cutting of finished compacted layers and turf surfaces after completion.
What does a nuclear density gauge measure during field construction quality control?
Answer: The in-place density and moisture content of compacted soil or aggregate
Nuclear density gauges use gamma radiation to measure the in-place wet density and moisture content of compacted layers, allowing comparison to Proctor standards.
During baseball field construction, what is the proper slope direction for the pitcher's mound area of the infield skin?
Answer: The surrounding skin drains toward the baselines and home plate area
The infield skin is graded to drain surface water toward the baselines and home plate area, directing runoff away from the playing field.
What is the purpose of 'topdressing' during the final stages of a natural grass field construction?
Answer: To apply a thin layer of sand or soil mix to improve surface smoothness and fill voids
Topdressing applies a thin layer of compatible material to smooth the surface, fill low spots, and improve the playing quality of the turf.