Questions And Correct Answers With
Rationales
1. What is the primary purpose of a demolition contractor?
To safely dismantle or remove structures
Rationale: The primary role of a demolition contractor is to safely
and efficiently dismantle buildings or structures while minimizing
hazards and complying with regulations.
2. Which federal agency regulates asbestos during demolition?
Environmental Protection Agency (EPA)
Rationale: The EPA regulates asbestos under the National Emission
Standards for Hazardous Air Pollutants (NESHAP) to prevent airborne
asbestos during demolition.
3. What is the minimum required distance to maintain from power lines
during demolition?
, 10 feet for lines up to 50kV
Rationale: OSHA requires a minimum clearance of 10 feet for lines up
to 50kV to ensure worker safety.
4. What type of permit is typically required before starting a demolition
in Florida?
Demolition permit from local building department
Rationale: Local building departments issue demolition permits to
ensure compliance with building codes, safety, and environmental
regulations.
5. What is the first step in a demolition project?
Site assessment and planning
Rationale: Before any demolition begins, a thorough assessment of
the site identifies hazards, structural conditions, and regulatory
requirements.
6. How should hazardous materials be handled during demolition?
Identified, removed, and disposed of according to regulations
Rationale: Hazardous materials like asbestos, lead, or chemicals
must be safely removed and disposed of following federal and state
guidelines.
7. Which document outlines safety procedures for a demolition site?
OSHA-compliant safety plan
Rationale: OSHA requires a written safety plan to prevent injuries
and ensure compliance with federal safety regulations.
,8. What is the primary environmental concern with improper demolition
debris disposal?
Soil and water contamination
Rationale: Improper disposal can release toxic materials into the
environment, leading to contamination of soil, groundwater, and
surface water.
9. What is the purpose of shoring in demolition?
To prevent collapse of structures during removal
Rationale: Shoring provides temporary support to maintain
structural stability and protect workers during partial demolition.
10. When must a demolition contractor provide notice to utility
companies?
Before starting any demolition that may affect utilities
Rationale: Notifying utility companies prevents accidental damage to
lines, ensuring safety and avoiding service interruptions.
11. What is the main concern with lead-based paint during
demolition?
Inhalation or ingestion hazards
Rationale: Lead dust or chips can cause serious health effects,
especially in children; proper abatement procedures are required.
12. How should concrete be disposed of after demolition?
Recycled or taken to an approved landfill
, Rationale: Concrete can be recycled into aggregate or disposed of at
approved facilities to minimize environmental impact.
13. What is the OSHA standard for fall protection during demolition?
Protection is required at 6 feet or higher
Rationale: OSHA mandates fall protection for workers exposed to
falls of 6 feet or more to prevent injuries.
14. How often should equipment inspections be performed on a
demolition site?
Daily or before each use
Rationale: Daily inspections ensure that machinery is safe,
functional, and free of defects that could cause accidents.
15. What is a common method for controlling dust during
demolition?
Water spraying
Rationale: Wetting down debris reduces airborne dust, improving air
quality and worker safety.
16. Which type of demolition involves taking down a structure piece
by piece?
Selective demolition
Rationale: Selective demolition carefully removes certain parts of a
structure to salvage materials or protect adjacent areas.