Size Matters
Chapter 5: General Building Heights & Areas
Master height and area limitations through interactive calculations
7
Interactive Levels
85-110 minutes
To Complete
7+
Code Tables
What You'll Learn
Master the calculations that determine if your building design is even possible. Height and area limitations are where code compliance meets project economics.
Area Limitations (Table 506.2)
Learn how to find base allowable building area from Table 506.2 based on occupancy and construction type.
Height Limits (Tables 504.3 & 504.4)
Master height limits in feet and stories. Learn why buildings must comply with BOTH height restrictions.
Frontage Increases (Section 506.2)
Calculate how building location and open space can increase allowable area by up to 75%.
Sprinkler Increases (Section 506.3)
Understand how automatic sprinklers can double or triple your allowable area.
Combining Increases (Section 506.4)
Master the formula to combine frontage and sprinkler increases for maximum allowable area.
Mezzanines (Section 505)
Learn how mezzanines provide "free" floor area that doesn't count toward allowable limits.
Level 7: Integration Challenge
Apply everything you've learned to verify complete building compliance: "Can This Building Fit?"
15-20 minutesWho Is This For?
Architects & Designers
Learn to calculate allowable building sizes before committing to a design
Building Officials
Verify height and area calculations during plan review
Code Professionals
Master Chapter 5 calculations for certifications and career growth
Ready to Master Heights & Areas?
Start learning how to calculate allowable building sizes and maximize your designs.
Start Learning Now