NYC Demolition Contractor License
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Rationales 2026 Q&A | Instant
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1. Which NYC agency primarily regulates demolition work permits?
A. NYC DOT
B. FDNY
C. NYC Department of Buildings
D. NYC DEP
Answer: C
Rationale: The NYC Department of Buildings (DOB) issues permits
and enforces regulations for demolition activities.
2. Before beginning demolition, which document must be approved by
DOB?
A. Fire safety plan
, B. Site safety plan
C. Environmental impact statement
D. Traffic mitigation plan
Answer: B
Rationale: A DOB-approved site safety plan is required to address
hazards and protective measures.
3. What is the minimum requirement for fencing around a demolition
site?
A. 4 feet high
B. 6 feet high
C. 8 feet high
D. 10 feet high
Answer: C
Rationale: NYC Building Code generally requires fencing at least 8
feet high around demolition sites.
4. Who is responsible for ensuring utilities are disconnected prior to
demolition?
A. Utility companies only
B. Property owner only
C. Demolition contractor
D. DOB inspector
Answer: C
, Rationale: The demolition contractor must verify and coordinate safe
utility disconnections.
5. Which permit is required for partial demolition?
A. Alteration Type 2
B. Alteration Type 1
C. Full demolition permit
D. Emergency permit
Answer: A
Rationale: Partial demolition is typically classified under an
Alteration Type 2 permit.
6. When is an asbestos investigation required before demolition?
A. Only for residential buildings
B. Only for buildings over six stories
C. For all buildings built before 1987
D. For all structures regardless of age
Answer: C
Rationale: Buildings constructed before 1987 must be assessed for
asbestos-containing materials.
7. Which professional must sign off on structural stability during
demolition?
A. Licensed electrician
B. Registered design professional
C. Site safety manager
, D. DOB inspector
Answer: B
Rationale: A registered architect or professional engineer evaluates
and certifies structural safety.
8. What is the primary hazard during mechanical demolition?
A. Noise exposure
B. Structural collapse
C. Chemical exposure
D. Heat stress
Answer: B
Rationale: Uncontrolled structural collapse is the most critical hazard
in mechanical demolition.
9. What is required to protect adjacent properties during demolition?
A. Written neighbor consent
B. Protective sidewalk shed
C. Controlled demolition plan
D. Environmental monitoring
Answer: C
Rationale: A controlled demolition plan addresses protection of
neighboring structures.
10. Which piece of equipment is commonly used for high-reach
demolition?
A. Backhoe
Exam Practice Questions And Correct
Answers (Verified Answers) Plus
Rationales 2026 Q&A | Instant
Download Pdf
1. Which NYC agency primarily regulates demolition work permits?
A. NYC DOT
B. FDNY
C. NYC Department of Buildings
D. NYC DEP
Answer: C
Rationale: The NYC Department of Buildings (DOB) issues permits
and enforces regulations for demolition activities.
2. Before beginning demolition, which document must be approved by
DOB?
A. Fire safety plan
, B. Site safety plan
C. Environmental impact statement
D. Traffic mitigation plan
Answer: B
Rationale: A DOB-approved site safety plan is required to address
hazards and protective measures.
3. What is the minimum requirement for fencing around a demolition
site?
A. 4 feet high
B. 6 feet high
C. 8 feet high
D. 10 feet high
Answer: C
Rationale: NYC Building Code generally requires fencing at least 8
feet high around demolition sites.
4. Who is responsible for ensuring utilities are disconnected prior to
demolition?
A. Utility companies only
B. Property owner only
C. Demolition contractor
D. DOB inspector
Answer: C
, Rationale: The demolition contractor must verify and coordinate safe
utility disconnections.
5. Which permit is required for partial demolition?
A. Alteration Type 2
B. Alteration Type 1
C. Full demolition permit
D. Emergency permit
Answer: A
Rationale: Partial demolition is typically classified under an
Alteration Type 2 permit.
6. When is an asbestos investigation required before demolition?
A. Only for residential buildings
B. Only for buildings over six stories
C. For all buildings built before 1987
D. For all structures regardless of age
Answer: C
Rationale: Buildings constructed before 1987 must be assessed for
asbestos-containing materials.
7. Which professional must sign off on structural stability during
demolition?
A. Licensed electrician
B. Registered design professional
C. Site safety manager
, D. DOB inspector
Answer: B
Rationale: A registered architect or professional engineer evaluates
and certifies structural safety.
8. What is the primary hazard during mechanical demolition?
A. Noise exposure
B. Structural collapse
C. Chemical exposure
D. Heat stress
Answer: B
Rationale: Uncontrolled structural collapse is the most critical hazard
in mechanical demolition.
9. What is required to protect adjacent properties during demolition?
A. Written neighbor consent
B. Protective sidewalk shed
C. Controlled demolition plan
D. Environmental monitoring
Answer: C
Rationale: A controlled demolition plan addresses protection of
neighboring structures.
10. Which piece of equipment is commonly used for high-reach
demolition?
A. Backhoe
