Information on floor vibration can be found in the Commentary entitled “Deflection and Vibration Criteria for Serviceability and Fatigue Limit States” in the “Structural Commentaries (User’s Guide – NBC 2020: Part 4 of Division B)”. Information on loads and load combinations for the calculation of vibration can be found in the Commentary entitled “Limit States Design” in the “Structural Commentaries (User’s Guide – NBC 2020: Part 4 of Division B)”.