IBC Chapter 3: Occupancy Classification Foundations

The Essential First Step in Code Compliance

North Carolina CE — 1 Hour — Building or Fire (approved)

NCCOQB

NC Code Officials
Qualification Board

CE Program

✓ NCCOQB Approved | Course CS5382 (S517) | 1 CE Hour — Building or Fire (choose one; both approved)

About This Course

CE credit
1 CE Hour — choose Building or Fire when you certify (both approved; one technical area per completion).
Approved by
NC Code Officials Qualification Board (NCCOQB) — Sponsor S517, Course CS5382
Code Reference
2021 International Building Code, Chapter 3
Delivery
Self-paced online module

Upon completing this course, you will be able to:

  • •Identify the correct IBC occupancy group for any building or space
  • •Apply the threshold rules for Assembly, Residential, and Institutional occupancies
  • •Distinguish between R-3, R-4, and I-1 care facilities using the correct occupant count thresholds
  • •Analyze buildings with multiple uses using accessory, non-separated, and separated mixed occupancy approaches
  • •Recognize when Group H (High Hazard) classification is triggered by hazardous materials

Course structure

This course contains 8 learning levels followed by a final assessment.

  1. Foundation: Why Occupancy Classification Exists
  2. Residential Part 1: R-1 and R-2
  3. Residential Part 2: R-3, R-4, and the I-1 Boundary
  4. Assembly Occupancies: A-1 through A-5
  5. Everyday Buildings: B, E, M, F, S, U
  6. Institutional: I-1 through I-4
  7. Mixed Occupancies: Accessory, Separated, Non-Separated
  8. Integration + Group H Overview

To receive CE credit, you must:

  • Minimum Time: This course requires at least 50 minutes of instruction time. Each section has a minimum reading time before you can advance. The final assessment unlocks automatically once the time requirement is met.
  • Complete all 8 levels in a single session
  • Score 70% or higher on the final assessment
  • Complete the course attestation