Building Classification
Refer to OBC Section 3.2.2. and answer the following
questions based on the information provided. Although minimal, the information
shown on the drawings is enough to answer the questions that are raised. Where a
street is indicated, assume it is a street and ‘access route’ that meets code.
Example 1
Figure 1
Four Storey Mixed Use Building
Consider the building above and answer the following
questions.
- What are
the most appropriate construction classification articles (3.2.2.20-83)
based on the occupancies indicated.
The building is sprinklered.
Group E
__________________________
Group D __________________________
Group C __________________________
What fire resistance rating is required for the floor
assemblies?
Second Floor Rating ___________________
Third Floor Rating ___________________
Fourth Floor Rating ___________________
Roof Rating
___________________
Example 2
Figure 2
3 Storey Industrial Building
Review the building shown in Figure 2 and answer the
following questions. Provide OBC references with answers
- What is
the appropriate construction
classification? _____________________________
- Is the
building permitted to be constructed of combustible
construction? _____________________________
- Is
non-combustible construction
permitted? _____________________________
- What fire
resistance rating is required for the floor assemblies? _____________________________
- Is a fire
resistance rating required for the roof? If so, what duration of rating is
required? _____________________________