CA D63 Construction Cleanup
Contractor Exam Questions And
Correct Answers (Verified Answers) Plus
Rationale2026 Q&A| Instant Download
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What is the primary responsibility of a construction cleanup contractor?
A. Performing structural repairs
B. Painting and finishing walls
C. Removing debris and preparing sites for occupancy
D. Supervising subcontractors
Answer: C
Rationale: The core duty of a construction cleanup contractor is to remove
debris, dust, and waste to make a construction site safe and ready for use.
1. Which type of personal protective equipment (PPE) is most essential
during post-construction cleaning?
A. Hard hat only
B. Gloves, masks, and safety goggles
C. Ear plugs only
D. Steel-toed boots only
Answer: B
Rationale: Cleaning sites often contain dust, chemicals, and sharp
debris, making gloves, masks, and goggles necessary for safety.
2. When removing hazardous materials such as asbestos, a contractor
must:
A. Dispose of it in regular trash
B. Follow EPA and OSHA guidelines
C. Burn it onsite
D. Ignore it if small amounts exist
, Answer: B
Rationale: Handling hazardous materials requires compliance with
strict federal and state regulations to protect workers and the
environment.
3. Which of the following is considered general debris in construction
cleanup?
A. Electrical wiring
B. Wood scraps, drywall pieces, and packaging materials
C. Asbestos panels
D. Hazardous chemicals
Answer: B
Rationale: General debris includes non-hazardous construction waste
like wood scraps, drywall, and packaging.
4. What is a recommended method for dust control during indoor
cleanup?
A. Sweeping only
B. Using HEPA-filter vacuums
C. Spraying water on dry walls
D. Using leaf blowers
Answer: B
Rationale: HEPA vacuums efficiently capture fine dust particles,
reducing airborne dust in enclosed spaces.
5. Which federal agency regulates the disposal of construction waste?
A. FDA
B. EPA
C. FAA
D. OSHA
Answer: B
Rationale: The Environmental Protection Agency (EPA) regulates
construction waste disposal, especially hazardous materials.
6. What is the first step in a construction cleanup project?
A. Mopping the floors
B. Removing large debris and trash
C. Dusting surfaces
D. Polishing windows
Answer: B
, Rationale: Removing large debris first allows safer and more efficient
cleaning of finer materials afterward.
7. Which cleaning chemical is safest for general post-construction
surfaces?
A. Acid-based cleaner
B. Mild detergent and water
C. Ammonia undiluted
D. Bleach on all surfaces
Answer: B
Rationale: Mild detergents are effective and safe for most post-
construction surfaces without causing damage or toxic fumes.
8. During exterior cleanup, what is the best way to remove cement residue
from walkways?
A. Sandblasting only
B. Pressure washing with appropriate detergents
C. Using only a broom
D. Sweeping with water
Answer: B
Rationale: Pressure washing removes hardened cement effectively
without damaging surrounding surfaces.
9. What type of insurance is typically required for a construction cleanup
contractor?
A. Health insurance only
B. General liability and workers’ compensation
C. Vehicle insurance only
D. Life insurance
Answer: B
Rationale: General liability protects against property damage, while
workers’ compensation covers employee injuries.
10. Which tool is most effective for cleaning fine dust from vents and
ducts?
A. Wet mop
B. HEPA vacuum or brush attachment
C. Leaf blower
D. Sponge
Answer: B
Contractor Exam Questions And
Correct Answers (Verified Answers) Plus
Rationale2026 Q&A| Instant Download
What is the primary responsibility of a construction cleanup contractor?
A. Performing structural repairs
B. Painting and finishing walls
C. Removing debris and preparing sites for occupancy
D. Supervising subcontractors
Answer: C
Rationale: The core duty of a construction cleanup contractor is to remove
debris, dust, and waste to make a construction site safe and ready for use.
1. Which type of personal protective equipment (PPE) is most essential
during post-construction cleaning?
A. Hard hat only
B. Gloves, masks, and safety goggles
C. Ear plugs only
D. Steel-toed boots only
Answer: B
Rationale: Cleaning sites often contain dust, chemicals, and sharp
debris, making gloves, masks, and goggles necessary for safety.
2. When removing hazardous materials such as asbestos, a contractor
must:
A. Dispose of it in regular trash
B. Follow EPA and OSHA guidelines
C. Burn it onsite
D. Ignore it if small amounts exist
, Answer: B
Rationale: Handling hazardous materials requires compliance with
strict federal and state regulations to protect workers and the
environment.
3. Which of the following is considered general debris in construction
cleanup?
A. Electrical wiring
B. Wood scraps, drywall pieces, and packaging materials
C. Asbestos panels
D. Hazardous chemicals
Answer: B
Rationale: General debris includes non-hazardous construction waste
like wood scraps, drywall, and packaging.
4. What is a recommended method for dust control during indoor
cleanup?
A. Sweeping only
B. Using HEPA-filter vacuums
C. Spraying water on dry walls
D. Using leaf blowers
Answer: B
Rationale: HEPA vacuums efficiently capture fine dust particles,
reducing airborne dust in enclosed spaces.
5. Which federal agency regulates the disposal of construction waste?
A. FDA
B. EPA
C. FAA
D. OSHA
Answer: B
Rationale: The Environmental Protection Agency (EPA) regulates
construction waste disposal, especially hazardous materials.
6. What is the first step in a construction cleanup project?
A. Mopping the floors
B. Removing large debris and trash
C. Dusting surfaces
D. Polishing windows
Answer: B
, Rationale: Removing large debris first allows safer and more efficient
cleaning of finer materials afterward.
7. Which cleaning chemical is safest for general post-construction
surfaces?
A. Acid-based cleaner
B. Mild detergent and water
C. Ammonia undiluted
D. Bleach on all surfaces
Answer: B
Rationale: Mild detergents are effective and safe for most post-
construction surfaces without causing damage or toxic fumes.
8. During exterior cleanup, what is the best way to remove cement residue
from walkways?
A. Sandblasting only
B. Pressure washing with appropriate detergents
C. Using only a broom
D. Sweeping with water
Answer: B
Rationale: Pressure washing removes hardened cement effectively
without damaging surrounding surfaces.
9. What type of insurance is typically required for a construction cleanup
contractor?
A. Health insurance only
B. General liability and workers’ compensation
C. Vehicle insurance only
D. Life insurance
Answer: B
Rationale: General liability protects against property damage, while
workers’ compensation covers employee injuries.
10. Which tool is most effective for cleaning fine dust from vents and
ducts?
A. Wet mop
B. HEPA vacuum or brush attachment
C. Leaf blower
D. Sponge
Answer: B
