CFB Cheat Sheet 2026

The 30 highest-yield CFB facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. Which soil amendment is most commonly added to improve drainage in a native-soil athletic field construction project? → Coarse sand
2. What is the primary purpose of a rootzone drainage layer in a sand-based athletic field? → To allow rapid percolation of water away from the playing surface
3. What is the importance of continuing education for CFB professionals in Blueprint Reading & Interpretation? → Maintaining current knowledge and adapting to industry changes
4. What is the importance of continuing education for CFB professionals in Materials Selection? → Maintaining current knowledge and adapting to industry changes
5. Which method is commonly used to ensure proper field leveling? → Laser grading
6. What safety check must be performed before operating a riding mower on an athletic field with installed irrigation heads? → Confirm all irrigation heads are fully retracted below the cutting height
7. What is the primary agronomic benefit of a regular topdressing program on a natural grass sports field? → Gradual modification of the root zone profile and smoothing of the surface
8. What is scope creep in CFB project management? → Uncontrolled scope expansion without adjusting time, cost, or resources
9. What is the recommended minimum slope for surface drainage on a natural grass athletic field? → 1.0%
10. Why is regular aeration important for natural turf fields? → To enhance root development and water absorption
11. What is the primary reason to avoid operating heavy equipment on a natural grass athletic field when the soil is saturated? → Saturated soil compacts easily under load, causing long-term drainage and rootzone damage
12. What is evidence-based practice in CFB Blueprint Reading & Interpretation? → Integrating research evidence with expertise and client needs
13. What does soil moisture tension (matric potential) measure? → The force with which soil particles hold water, affecting plant water availability
14. What is the primary purpose of a field roller used on natural grass athletic fields? → To smooth surface irregularities and improve ball roll
15. What is root cause analysis in CFB quality assurance? → Investigating to find the fundamental underlying cause of a problem
16. What is a needs assessment in CFB Site Management practice? → Identifying gaps between current conditions and desired outcomes
17. What is the primary purpose of a site analysis in the design process? → To understand site opportunities and constraints
18. What is a key benefit of infill in synthetic turf systems? → Improves turf blade stability and cushioning
19. What is the primary purpose of compaction during sports field construction? → To stabilize the soil and reduce settling
20. What is the standard installation depth for main collector drain lines beneath athletic fields in the US? → 36–48 inches
21. Which type of sprayer is most appropriate for applying herbicide to spot-treat weeds on an actively used athletic field? → Handheld backpack sprayer with a shielded nozzle
22. What sand particle size range does the USGA recommend for sports field root zones? → 0.25–1.0 mm (medium to coarse sand)
23. Which piece of equipment is used to cut and lift existing sod for removal or transplanting during athletic field renovation? → Sod cutter
24. In a catch-can test for an athletic field irrigation system, what is the acceptable coefficient of uniformity (CU) for a well-designed system? → Above 85%
25. What is the purpose of 'overseeding' a warm-season grass athletic field in late fall? → To provide green, playable cover during warm-season grass dormancy
26. What differentiates fixed from variable costs in CFB? → Fixed costs stay constant; variable costs change with volume
27. What is the triple constraint in CFB project management? → The interdependent relationship between scope, time, and cost
28. How does professional liability insurance protect CFB practitioners? → Covering financial losses from claims of negligence or errors
29. Which soil texture classification is generally considered most problematic for natural grass sports fields without significant amendment? → Clay
30. Which factor most significantly affects the load-bearing capacity of a natural grass sports field on any given day? → Soil moisture content at the time of use