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    • Test 1 – Completed building scenario: Residential, code prescribed solution of noncombustible construction
    • Test 2 – Completed building scenario: Residential, exposed mass timber
    • Test 3 – Construction site fire scenario: Garbage can fire
    • Test 4 – Construction site fire scenario: Large fuel load
    • Test 5 – Completed building scenario: Open office floor plan
  • News & Announcements
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  • Home
  • Sections
    • Background
    • Purpose
    • Objectives
    • Targeted Audiences
    • Funders & Stakeholders
    • Full Scale Fire Testing and Research
    • Key Consultants & Contractors
    • Key Suppliers & Manufacturers
  • Tests
    • Overview of 5 Test Scenarios
    • Final Report
  • Education
    • Case Studies & Publications
  • Gallery
    • Test 1 – Completed building scenario: Residential, code prescribed solution of noncombustible construction
    • Test 2 – Completed building scenario: Residential, exposed mass timber
    • Test 3 – Construction site fire scenario: Garbage can fire
    • Test 4 – Construction site fire scenario: Large fuel load
    • Test 5 – Completed building scenario: Open office floor plan
  • News & Announcements
  • Contact

Test 4

Construction site fire scenario: Large fuel load

Large right corner compartment on the second storey with exposed mass timber beams, columns, ceiling, and floor with light frame wood walls. Large wood cribs were used as a construction fuel load in this scenario.
Test structure after ignition of the fire test in the compartment on the second storey (middle window). (Approximate time after ignition: 5:30 minutes)
Fire starting to spread along the ceiling and additional fuel load within the compartment is starting to ignite. (Approximate time after ignition: 7:30 minutes)
Flashover has occurred within the compartment, causing ignition of all combustible contents. (Approximate time after ignition: 16 minutes)
Fire is starting to die down in the compartment. The fire exiting the windows has decreased significantly and will continue to decrease as the combustible contents are consumed. (Approximate time after ignition: 20 minutes)
Fire nearly extinguished in the compartment. Significant fire decay with little visual flaming on any mass timber elements as the construction site fuel load has been consumed. Remaining fuel contents flaming on the floor continuing to create smoke and heat. (Approximate time after ignition: 26 minutes)
No visual flaming on any mass timber elements as the construction site fuel load has been consumed. (Approximate time after ignition: 40 minutes)