Design Density
NFPA 13 Design Density and Area Method: 2026 Guide
Light/Ordinary/Extra Hazard tables with adjustment factors. Two worked examples from hotel to print shop. Common classification mistakes.
K-Factor
Sprinkler K-Factor Selection: A Practical Guide for MEP Engineers
The logic of K-factor selection per NFPA 13-2025, 5 common mistakes I see in the field, and practical rules from hotel to warehouse applications.
More articles coming soon. NFPA 13 design density, FM Global storage categories, NFPA 20 pump selection, and more.